Polymer precision micropore filter
2021-05-19 22:02:06
3. Precise microporous filter
Since 1968, the author and his assistant have developed the structure of a precision microporous filter that uses a polymer microporous filter tube as a filter medium. Combined with different filtration requirements of different materials for different industrial productions, more than 30 kinds of precision filtration have been carried out before and after. The structure of the machine has been shaped into several types of structures such as PGK, PGH, PGR, PGW, PGP, PGX, and PGB. Some filter structures or some of them have obtained national patents or are pending patent applications.
From the beginning of 1968, the author and his assistants have engaged in the development of the structure of precise microporous filter with polymer microporous filter tubes as filter media. Integrating the different filtration requirements of the different suspension in various different industrial productions, we have researched The structure of more than 30 kinds of precise filters. From now on we have confirmed several types, such as PGK, PGH, PGR, PGW, PGP, PGX, PGB. Some filter structures have obtained the national patent, and part of the structures Have been being applied for patent.
3.1 Model and specifications of precision microporous filter
3.1 Models and specifications of precise microporous filters
3.1.1 PGK model series:
3.1.1 PGK Model Series:
Figure 1 is a photo of the PGK model precision micropore filter. The precision filter of this type consists of an elliptical head, a cylindrical shell and a frustum-shaped lower shell. The bottom of the frustum is a bottom cover for the cylinder to open and close the dry filter cake. The polymer microporous filter tube is vertically mounted in a cylindrical housing.
Such a precise microporous filter. Such a precise filter is made up of an oval head, a cylindrical shell and a cone-shaped bottom. At the bottom of the cone-shaped shell, there is a bottom cover which can discharge Dry cake and is controled to be open or close by pneumatic cylinder. Polymer microporous filter tubes are installed inside the cylindrical shell vertically.
The filter area of ​​the PGK model series is 10, 15, 20, 30, 40, 60, 80, 100, 150, 200, 300, 400 m2 and other specifications. The inner diameter of the cylindrical barrel depends on the filtration area and the average thickness of the filter cake layer per filtration cycle. The zui has a small diameter of 500 mm and the zui has a size of 3000 mm. The diameter of the bottom filter cake bottom cover should be determined according to the volume of the filter cake removed per cycle, with a small size of 200 mm and a large size of 1600 mm.
The diameter of cylindrical shell depends on the filter areas and the average thickness of cake each filtration cycle. The minimum diameter of the filter is of the filter areas of 10,15,20,30,40,60,80,100,150,200,300,400 m2. The diameter of bottom cover for discharging cake should be based on the volume of the cake each filtration cycle, the minimum of 200 mm, the maximum of 1600 mm.
3.1.2 PGH model series
3.1.2 PGH Model Series
The PGH model series is a new type of filter developed by Wenzhou Dongpu Microporous Filter Co., Ltd. in Zhejiang Province, and has obtained national patents. Figure 2 is a photograph of the appearance of the filter.
PGH model series are a new type of filter developed by Wenzhou Dongou Micro-Filtration Ltd. Company, which has achieved the national patent. Figure 2 is the shape photo of the filter.
The shape of the PGH model is similar to that of the PGK model, but the diameter of the bottom cover is large. The inner microporous filter tube is multi-layered, which can basically filter each batch of liquid in the PGH filter. It also ensures that the dry filter cake can be removed from the inside and outside.
The shape of PGH model is similar to the shape of PGK model, but the diameter of its bottom cover is large, and its internal microporous filter tubes are multi-layer stack. Not only each batch of suspension material can be filtered out basicly in PGH -type filter, but also it can ensure that dry cake can be discharged from the inside filter to the outside filter.
The PGH type filter is especially suitable for the batch number strict, and the batch liquid can not be mixed and batched, such as pharmaceutical production and food production.
PGH-type filter is especially suitable for the suspension of strict batch, without mixed batch, such as pharmaceutical production and food production.
The PGH model series has specifications of 5, 10, 15, 20, 30, 40, 60, 100 m2, cylindrical housing from 550 to 2000 mm, and bottom cover diameter from 550 to 1600 mm.
PGH model series have many specifications, such as filter areas of 5,10,15,20,30,40,60,100 m2. The diameter of the cylindrical shell is from 550 to 2000 mm, and the diameter of bottom cover is from 550 to 1600 mm.
3.1.3 PGR model series
3.1.3 PGR Model Series
The internal structure of the PGR model is similar to the PGK model, and its shape is similar to that of the PGK model, or the bottom is not a frustum-shaped housing, but an elliptical head. The bottom of the bottom does not require a large diameter drain filter cake cover, only ball or butterfly valves, these valves can be electric, or pneumatic, or manual.
The internal structure of PGR model is similar to PGK model, and the shape is similar, too. Instead of the cone-shaped bottom, it is oval-shaped bottom. It does not need large-diameter bottom cover to discharge dry cake, Only with ball valve or butterfly valve. The valves can be electric or pneumatic, or manual.
The PGR model is mainly used for precision clarification filtration of liquids with little solids, and there is very little solids removed each time.
PGR model is mainly used for liquid precise clarification filtration, and the cake discharged is little each time.
The filter area of ​​the PGR model series is 5, 10, 15, 20, 30, 40, 60, 80, 100, 150, 200, 300, 400 m 2 and other specifications. The diameter of the cylindrical housing is small, 400 mm. Large for 3000 mm. The slag discharge valve at the bottom generally does not exceed 300 mm in diameter.
The filter of PGR model series has the specifications of 5,10,15,20,30,40,60,80,100,150,200,300,400 m2. The diameter of the cylindrical shell is from 400 mm to 3000 mm. The diameter of discharging valve at the bottom Is generally not more than 300 mm.
3.1.4 PGX Model Series
3.1.4 PGX Model Series
Figure 3 is a simplified diagram of the internal structure of the PGX model. The filter was developed by Dongzhou Microporous Filter Co., Ltd. of Wenzhou City, Zhejiang Province, and has obtained national patents.
Figure 3 is the internal structure of PGX model, and the filter is developed by Wenzhou Dongou Micro-Filtration Ltd. Company, which has achieved the national patent.
The filter is similar in structure to the PGH model, but has a stirring slurry inside, which is mainly suitable for washing and filtering which requires high washing of the filter cake and large washing water volume.
The structure of PGH models is similar to PGH model, but there is one internal mixing agitator, which is mainly applied in the washing filtration with high cake washing requirement and a great quantities of washing water.
The filter area of ​​the PGX model series is 0.5, 1, 1.5, 2, 5, 10, 20, 30, 40, 60 m 2 and other specifications. The external dimensions and internal structure depend on the filter cake volume, washing water volume and washing requirements.
The filter areas of PGX model series has many specifications, such as 0.5,1,1.5,2,5,10,20,30,40,60 m2. Its dimensions and internal structure depend on the cake volume, the volume of washing water And washing requirements.
3.1.5PGP model series
3.1.5 PGP Model Series
PGP model precision micropore filter is mainly used for precision filtration with low processing capacity, high solid concentration and fine fine particles. After filtration, the filter cake can be washed statically, and dried cake can be obtained after Zui.
PGP model precise microporous filter is mainly used for the precise filtration with the less volume, higher solid concentration and fine solid particles. After filtration, static washing can be carried out on cake, and dry cake is finally got.
There are two ways to unload the PGP model. One is that the cylinder is turned over and unloaded, and the other is that the bottom cover is turned over and unloaded. Fig. 4 is a photograph of the outer shape of the cylinder flip discharge filter, and Fig. 5 is a photograph of the outer shape of the bottom cover flip discharge filter.
The PGP model filter has two discharging methods. One is that the cake is discharged with reversing cylindrical shell, and the other is that the cake is discharged with reversing the bottom cover. Figure 4 is the photo of cylinder reversed discharging filter, and Figure 5 is The photo of bottom cover reversed discharging filter.
The filter media inside the PGP filter is either a horizontal filter plate or a combination of horizontal filter plates and other shapes of filter media.
The filter medium inside PGP type filter is a level filter plate, or a combination plate made up of the level filter plate and filter media of other shape.
The filter area of ​​the PGP model series has 0.5, 0.8, 1, 2, 3, 5, 10, 20, 30, 40 and other filter area specifications, and the inner diameter of the cylinder is 550, 800, 1000, 1200, 1400, 1600 mm.
The filter areas of PGP model series have many specifications, such as 0.5,0.8,1, 2,3,5,10,20,30,40 m2. The diameter of cylindrical body is various, such as 550,800,1000,1200, 1400,1600 mm and so on.
3.1.6PGB model series
3.1.6 PGB Model Series
Since 1968, the author and his assistant have developed the structure of a precision microporous filter that uses a polymer microporous filter tube as a filter medium. Combined with different filtration requirements of different materials for different industrial productions, more than 30 kinds of precision filtration have been carried out before and after. The structure of the machine has been shaped into several types of structures such as PGK, PGH, PGR, PGW, PGP, PGX, and PGB. Some filter structures or some of them have obtained national patents or are pending patent applications.
From the beginning of 1968, the author and his assistants have engaged in the development of the structure of precise microporous filter with polymer microporous filter tubes as filter media. Integrating the different filtration requirements of the different suspension in various different industrial productions, we have researched The structure of more than 30 kinds of precise filters. From now on we have confirmed several types, such as PGK, PGH, PGR, PGW, PGP, PGX, PGB. Some filter structures have obtained the national patent, and part of the structures Have been being applied for patent.
3.1 Model and specifications of precision microporous filter
3.1 Models and specifications of precise microporous filters
3.1.1 PGK model series:
3.1.1 PGK Model Series:
PGK shape photo
Figure 1 is a photo of the PGK model precision micropore filter. The precision filter of this type consists of an elliptical head, a cylindrical shell and a frustum-shaped lower shell. The bottom of the frustum is a bottom cover for the cylinder to open and close the dry filter cake. The polymer microporous filter tube is vertically mounted in a cylindrical housing.
Such a precise microporous filter. Such a precise filter is made up of an oval head, a cylindrical shell and a cone-shaped bottom. At the bottom of the cone-shaped shell, there is a bottom cover which can discharge Dry cake and is controled to be open or close by pneumatic cylinder. Polymer microporous filter tubes are installed inside the cylindrical shell vertically.
The filter area of ​​the PGK model series is 10, 15, 20, 30, 40, 60, 80, 100, 150, 200, 300, 400 m2 and other specifications. The inner diameter of the cylindrical barrel depends on the filtration area and the average thickness of the filter cake layer per filtration cycle. The zui has a small diameter of 500 mm and the zui has a size of 3000 mm. The diameter of the bottom filter cake bottom cover should be determined according to the volume of the filter cake removed per cycle, with a small size of 200 mm and a large size of 1600 mm.
The diameter of cylindrical shell depends on the filter areas and the average thickness of cake each filtration cycle. The minimum diameter of the filter is of the filter areas of 10,15,20,30,40,60,80,100,150,200,300,400 m2. The diameter of bottom cover for discharging cake should be based on the volume of the cake each filtration cycle, the minimum of 200 mm, the maximum of 1600 mm.
3.1.2 PGH model series
3.1.2 PGH Model Series
The PGH model series is a new type of filter developed by Wenzhou Dongpu Microporous Filter Co., Ltd. in Zhejiang Province, and has obtained national patents. Figure 2 is a photograph of the appearance of the filter.
PGH model series are a new type of filter developed by Wenzhou Dongou Micro-Filtration Ltd. Company, which has achieved the national patent. Figure 2 is the shape photo of the filter.
The shape of the PGH model is similar to that of the PGK model, but the diameter of the bottom cover is large. The inner microporous filter tube is multi-layered, which can basically filter each batch of liquid in the PGH filter. It also ensures that the dry filter cake can be removed from the inside and outside.
The shape of PGH model is similar to the shape of PGK model, but the diameter of its bottom cover is large, and its internal microporous filter tubes are multi-layer stack. Not only each batch of suspension material can be filtered out basicly in PGH -type filter, but also it can ensure that dry cake can be discharged from the inside filter to the outside filter.
PGH shape photo
The PGH type filter is especially suitable for the batch number strict, and the batch liquid can not be mixed and batched, such as pharmaceutical production and food production.
PGH-type filter is especially suitable for the suspension of strict batch, without mixed batch, such as pharmaceutical production and food production.
The PGH model series has specifications of 5, 10, 15, 20, 30, 40, 60, 100 m2, cylindrical housing from 550 to 2000 mm, and bottom cover diameter from 550 to 1600 mm.
PGH model series have many specifications, such as filter areas of 5,10,15,20,30,40,60,100 m2. The diameter of the cylindrical shell is from 550 to 2000 mm, and the diameter of bottom cover is from 550 to 1600 mm.
3.1.3 PGR model series
3.1.3 PGR Model Series
The internal structure of the PGR model is similar to the PGK model, and its shape is similar to that of the PGK model, or the bottom is not a frustum-shaped housing, but an elliptical head. The bottom of the bottom does not require a large diameter drain filter cake cover, only ball or butterfly valves, these valves can be electric, or pneumatic, or manual.
The internal structure of PGR model is similar to PGK model, and the shape is similar, too. Instead of the cone-shaped bottom, it is oval-shaped bottom. It does not need large-diameter bottom cover to discharge dry cake, Only with ball valve or butterfly valve. The valves can be electric or pneumatic, or manual.
The PGR model is mainly used for precision clarification filtration of liquids with little solids, and there is very little solids removed each time.
PGR model is mainly used for liquid precise clarification filtration, and the cake discharged is little each time.
The filter area of ​​the PGR model series is 5, 10, 15, 20, 30, 40, 60, 80, 100, 150, 200, 300, 400 m 2 and other specifications. The diameter of the cylindrical housing is small, 400 mm. Large for 3000 mm. The slag discharge valve at the bottom generally does not exceed 300 mm in diameter.
The filter of PGR model series has the specifications of 5,10,15,20,30,40,60,80,100,150,200,300,400 m2. The diameter of the cylindrical shell is from 400 mm to 3000 mm. The diameter of discharging valve at the bottom Is generally not more than 300 mm.
3.1.4 PGX Model Series
3.1.4 PGX Model Series
PGX type internal structure diagram
Figure 3 is a simplified diagram of the internal structure of the PGX model. The filter was developed by Dongzhou Microporous Filter Co., Ltd. of Wenzhou City, Zhejiang Province, and has obtained national patents.
Figure 3 is the internal structure of PGX model, and the filter is developed by Wenzhou Dongou Micro-Filtration Ltd. Company, which has achieved the national patent.
The filter is similar in structure to the PGH model, but has a stirring slurry inside, which is mainly suitable for washing and filtering which requires high washing of the filter cake and large washing water volume.
The structure of PGH models is similar to PGH model, but there is one internal mixing agitator, which is mainly applied in the washing filtration with high cake washing requirement and a great quantities of washing water.
The filter area of ​​the PGX model series is 0.5, 1, 1.5, 2, 5, 10, 20, 30, 40, 60 m 2 and other specifications. The external dimensions and internal structure depend on the filter cake volume, washing water volume and washing requirements.
The filter areas of PGX model series has many specifications, such as 0.5,1,1.5,2,5,10,20,30,40,60 m2. Its dimensions and internal structure depend on the cake volume, the volume of washing water And washing requirements.
3.1.5PGP model series
3.1.5 PGP Model Series
PGP model precision micropore filter is mainly used for precision filtration with low processing capacity, high solid concentration and fine fine particles. After filtration, the filter cake can be washed statically, and dried cake can be obtained after Zui.
PGP model precise microporous filter is mainly used for the precise filtration with the less volume, higher solid concentration and fine solid particles. After filtration, static washing can be carried out on cake, and dry cake is finally got.
There are two ways to unload the PGP model. One is that the cylinder is turned over and unloaded, and the other is that the bottom cover is turned over and unloaded. Fig. 4 is a photograph of the outer shape of the cylinder flip discharge filter, and Fig. 5 is a photograph of the outer shape of the bottom cover flip discharge filter.
The PGP model filter has two discharging methods. One is that the cake is discharged with reversing cylindrical shell, and the other is that the cake is discharged with reversing the bottom cover. Figure 4 is the photo of cylinder reversed discharging filter, and Figure 5 is The photo of bottom cover reversed discharging filter.
The filter media inside the PGP filter is either a horizontal filter plate or a combination of horizontal filter plates and other shapes of filter media.
The filter medium inside PGP type filter is a level filter plate, or a combination plate made up of the level filter plate and filter media of other shape.
The filter area of ​​the PGP model series has 0.5, 0.8, 1, 2, 3, 5, 10, 20, 30, 40 and other filter area specifications, and the inner diameter of the cylinder is 550, 800, 1000, 1200, 1400, 1600 mm.
The filter areas of PGP model series have many specifications, such as 0.5,0.8,1, 2,3,5,10,20,30,40 m2. The diameter of cylindrical body is various, such as 550,800,1000,1200, 1400,1600 mm and so on.
The PGP type of the cylinder is turned over and unloaded, and the PGP shape of the bottom cover is unloaded.
3.1.6PGB model series
3.1.6 PGB Model Series
The PGB model filter is a thin layer fast automatic precision micropore filter. Its structure is similar to the PGR type with the bottom of the frustum. Its main feature is full self-control operation. Once a very thin filter cake is formed on the microporous filter tube, it is immediately backflushed, and the thin layer filter cake is blown off and settled to the bottom of the filter. Timed to go. Since the filter cake layer formed during each filtration cycle is very thin, the average filtration rate can be significantly increased. This type of filter can not get a very dry filter cake, the bottom of the thick slurry needs another microporous dry filter to carry out wet cleaning and drying. Such filters can also be used for solid phase thickening of certain liquid materials, and the resulting thick slurry is subjected to spray drying or other processing.
PGB model filter is a thin-layer automatical microporous precise filter. Its structure is similar to PGR model with cone-type bottom of. The main characteristics is program-control for the whole operation. Once the filter tubes have thin cake, it does discharging Because the cake layer is very thin each filter cycle, it can significantly improve the average filtration rate. This type of filter will not obtain very dry Cake, and the thick slurry discharged at the bottom needs to do washing and drying by another microporous pressure filter. This type of filter can also be used for the solid-phase thickening of certain suspension, and the thick slurry needs to do spray drying or Other treatments.
The PGB model series has filter area specifications of 5, 10, 20, 30, 40, 60, 100, 150, 200, 300, 400 m2, and the inner diameter of the cylindrical casing of the filter is equivalent to the PGR type.
The filter areas of PGB model series has many specifications, such as 5,10,20,30,40,60,100,150,200,300,400 m2. The diameter of cylindrical shell is similar to PGR type.
3.1.7PGW model series
3.1.7 PGW Model Series
The PGW model is a precision clarification filter for liquids with a small solids content and a small total liquid volume. It can also be used for continuous production of pipe precision filters (two or more units must be connected in parallel).
PGW model is suitable for the liquid clarification filtretion with less solid containing and liquid volume. It can also be used for pipelines precise filter in continuous production (it must be up to 2 units or more in parallel, switch used).
The PGW model series has 0.2, 0.5, 1, 2, 3, 5 and other filter area specifications, and the outer casing diameter is generally small.
The filter areas of PGW model series has many specifications, such as 0.2,0.5,1,2,3,5 m2. The diameter of shell is generally little.
We have also developed a number of other special-structure filters for some of the smaller, more demanding production processes. Such as the production of highly toxic chemical synthetic drugs and pharmaceutical intermediates and the production of certain rare metal elements.
We have also developed a number of filters with other special structures, for the production with little scale and high dealing expectations, such as the chemical synthesis drugs with high toxicity, the production of drug intermediates, the production of certain rare metal elements, and so On.
PGB model filter is a thin-layer automatical microporous precise filter. Its structure is similar to PGR model with cone-type bottom of. The main characteristics is program-control for the whole operation. Once the filter tubes have thin cake, it does discharging Because the cake layer is very thin each filter cycle, it can significantly improve the average filtration rate. This type of filter will not obtain very dry Cake, and the thick slurry discharged at the bottom needs to do washing and drying by another microporous pressure filter. This type of filter can also be used for the solid-phase thickening of certain suspension, and the thick slurry needs to do spray drying or Other treatments.
The PGB model series has filter area specifications of 5, 10, 20, 30, 40, 60, 100, 150, 200, 300, 400 m2, and the inner diameter of the cylindrical casing of the filter is equivalent to the PGR type.
The filter areas of PGB model series has many specifications, such as 5,10,20,30,40,60,100,150,200,300,400 m2. The diameter of cylindrical shell is similar to PGR type.
3.1.7PGW model series
3.1.7 PGW Model Series
The PGW model is a precision clarification filter for liquids with a small solids content and a small total liquid volume. It can also be used for continuous production of pipe precision filters (two or more units must be connected in parallel).
PGW model is suitable for the liquid clarification filtretion with less solid containing and liquid volume. It can also be used for pipelines precise filter in continuous production (it must be up to 2 units or more in parallel, switch used).
The PGW model series has 0.2, 0.5, 1, 2, 3, 5 and other filter area specifications, and the outer casing diameter is generally small.
The filter areas of PGW model series has many specifications, such as 0.2,0.5,1,2,3,5 m2. The diameter of shell is generally little.
We have also developed a number of other special-structure filters for some of the smaller, more demanding production processes. Such as the production of highly toxic chemical synthetic drugs and pharmaceutical intermediates and the production of certain rare metal elements.
We have also developed a number of filters with other special structures, for the production with little scale and high dealing expectations, such as the chemical synthesis drugs with high toxicity, the production of drug intermediates, the production of certain rare metal elements, and so On.
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