CN113577865A - Constant-flow filtering device for centrifugal mother liquor - Google Patents
Constant-flow filtering device for centrifugal mother liquor Download PDFInfo
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- CN113577865A CN113577865A CN202011398173.5A CN202011398173A CN113577865A CN 113577865 A CN113577865 A CN 113577865A CN 202011398173 A CN202011398173 A CN 202011398173A CN 113577865 A CN113577865 A CN 113577865A
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- constant
- filtering
- flow
- constant flow
- current
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- 238000001914 filtration Methods 0.000 title claims abstract description 108
- 239000012452 mother liquor Substances 0.000 title claims abstract description 26
- 230000001105 regulatory effect Effects 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 230000006698 induction Effects 0.000 claims description 2
- 238000004064 recycling Methods 0.000 abstract description 3
- 238000005119 centrifugation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
Abstract
The invention provides a constant-flow filtering device for centrifugal mother liquor, which comprises a filtering pipeline, an internal constant-flow piece and an external constant-flow piece, wherein the filtering pipeline is connected with the internal constant-flow piece; the filtering pipeline is a T-shaped pipeline, two ends of the horizontal part of the filtering pipeline are respectively a filtering inlet end and an internal constant-current piece mounting end, the top end of the vertical part is communicated with the middle part of the horizontal part, and the bottom end of the vertical part is a filtering outlet end; the filter outlet end is provided with a filter plate in a matching way; the inner constant-current component comprises a supporting plate, an adjusting connecting rod and an inner constant-current plate; the external constant flow piece comprises an external constant flow tank, a constant flow adjusting pump, a filter inlet end eduction tube and a filter outlet end eduction tube. The invention provides a filtering device capable of adjusting the flow rate of centrifugal mother liquor, which effectively ensures that the flow rate of the centrifugal mother liquor entering from a filtering inlet end and reaching a filtering outlet end for filtering is approximately kept constant so as to maintain the filtering efficiency and the filtering quality and provide convenience for filtering, recycling and reusing the centrifugal mother liquor.
Description
Technical Field
The invention belongs to the field of filtering equipment, and particularly relates to a constant-flow filtering device for centrifugal mother liquor.
Background
When adopting suspension method polyvinyl chloride device to produce, 1tPVC produces 3 ~ 4t centrifugation mother liquor water, most enterprises all directly discharge after simple processing, along with the development of environmental protection theory, some enterprises begin to retrieve the recycling to centrifugation mother liquor water at present, at first need filter centrifugation mother liquor water, generally adopt simple and easy filtration panel during the filtration, but in the actual operation process, find that centrifugation mother liquor water has the uncontrollable problem of flow size, when the flow is too big, filtration quality is lower, when the flow is too little, filtration efficiency is also relatively lower, influence follow-up technology step.
Therefore, it is an urgent need to solve the above problems by developing a device capable of ensuring the filtration efficiency and quality by maintaining the flow rate of the centrifugal mother liquor.
Disclosure of Invention
In order to solve the problems, the invention discloses a constant-flow filtering device for centrifugal mother liquor.
In order to achieve the purpose, the invention provides the following technical scheme:
a constant-flow filtering device for centrifugal mother liquor comprises a filtering pipeline, an internal constant-flow piece and an external constant-flow piece; the filtering pipeline is a T-shaped pipeline, two ends of the horizontal part of the filtering pipeline are respectively a filtering inlet end and an internal constant-current piece mounting end, the top end of the vertical part is communicated with the middle part of the horizontal part, and the bottom end of the vertical part is a filtering outlet end; the filter outlet end is provided with a filter plate in a matching way; the inner constant-current component comprises a supporting plate, an adjusting connecting rod and an inner constant-current plate; the supporting plate is vertically fixed at the mounting end of the internal constant-current part; one end of the adjusting connecting rod is connected with the supporting plate, and the other end of the adjusting connecting rod is connected with the inner constant flow plate; the inner constant flow plate is positioned in the center of the horizontal part of the filtering pipeline and is arranged towards the corner where the filtering inlet section is connected with the vertical part; the external constant flow piece comprises an external constant flow tank, a constant flow regulating pump, a filter inlet end eduction tube and a filter outlet end eduction tube; the external constant flow tank is arranged between the filtering inlet end and the filtering outlet end, and the top of the external constant flow tank is inwards provided with a constant flow cavity; the constant-flow regulating pump is arranged at the bottom of the external constant-flow tank, and an output shaft of the constant-flow regulating pump faces the constant-flow cavity and is provided with a constant-flow rod in a matching way; the constant flow rod is matched with the constant flow cavity; the filter inlet end guide-out pipe and the filter outlet end guide-in pipe are respectively communicated with the constant flow cavity, the filter inlet end and the filter outlet end.
Furthermore, the upper end of the inner constant flow plate is rotatably arranged at the center of the inner side of the horizontal part of the filtering pipeline, the middle part of the inner constant flow plate is rotatably arranged with the output end of the adjusting connecting rod, and the length of the inner constant flow plate is not less than the distance from the upper end of the inner constant flow plate to the mounting end of the inner constant flow member and the corner of the filtering outlet end.
Further, the inner wall of the constant current cavity is provided with a spiral constant current cavity groove from top to bottom; the outer wall of the constant-current rod is provided with a constant-current rod bulge matched with the constant-current cavity groove from top to bottom, and the top of the constant-current rod is rotatably installed with an output shaft of the constant-current regulating pump. Further, the constant flow regulating pump is a servo pump and is connected with a servo driver.
Furthermore, a lead-out valve and a lead-in valve are respectively matched and installed on the lead-out pipe at the filtering inlet end and the lead-in pipe at the filtering outlet end; the lead-out valve and the lead-in valve are servo electromagnetic valves and are connected to the same servo driver with the constant flow regulating pump.
The invention provides a constant-current filtering device for centrifugal mother liquor water, which consists of a filtering pipeline, an internal constant-current piece and an external constant-current piece, wherein the filtering pipeline is selected to be a T-shaped pipeline, two ends of a horizontal part are respectively a filtering inlet end and an internal constant-current piece mounting end and are respectively used for filtering and guiding and mounting the internal constant-current piece, the top end of a vertical part is communicated with the middle part of the horizontal part, and the bottom end of the vertical part is a filtering outlet end and is matched with a filtering plate for filtering and guiding out. The internal constant flow component comprises a supporting plate, an adjusting connecting rod and an internal constant flow plate, wherein the supporting plate is fixed at the mounting end of the internal constant flow component, the adjusting connecting rod connects the internal constant flow plate with the supporting plate, the position of the internal constant flow plate is controlled by the adjusting connecting rod, and the flow from the filtering inlet end to the filtering outlet end is adjusted. The external constant flow piece consists of an external constant flow tank, a constant flow regulating pump, a filter inlet end eduction tube and a filter outlet end eduction tube, wherein the external constant flow tank is arranged between the filter inlet end and the filter outlet end, and the top of the external constant flow tank is inwards provided with a constant flow cavity; the constant-flow regulating pump is arranged at the bottom of the external constant-flow tank, and an output shaft of the constant-flow regulating pump faces the constant-flow cavity and is provided with a constant-flow rod in a matching way; the constant flow rod is matched with the constant flow cavity; the constant flow cavity is communicated with the filtering inlet end and the filtering outlet end through a filter inlet end eduction tube and a filtering outlet end eduction tube respectively, an output shaft of the constant flow regulating pump drives the constant flow rod to move in the constant flow cavity to regulate the effective volume of the constant flow cavity, when the flow of the filtering inlet end is overlarge, in order to ensure the filtering quality of the filtering outlet end, the output shaft of the constant flow regulating pump drives the constant flow rod to move upwards to increase the effective volume of the constant flow cavity, and the centrifugal mother liquor water at the filtering inlet end is led out from the filtering inlet end eduction tube to enter the constant flow cavity for caching; on the contrary, when the flow of filtering the entry end reduces, it is less to lead to filtering to hold the mouth end flow, and filtration efficiency is low, and the centrifugation mother liquor water of original buffer in the constant flow intracavity is imported into to be filtered the mouth end by filtering mouth end induction pipe, and increase is filtered mouth end flow, improves filtration efficiency.
Compared with the prior art, the invention provides the filtering device capable of adjusting the flow rate of the centrifugal mother liquor, which effectively ensures that the flow rate of the centrifugal mother liquor entering from the filtering inlet end and reaching the filtering outlet end for filtering is kept approximately constant, so as to maintain the filtering efficiency and the filtering quality and provide convenience for filtering, recycling and reusing the centrifugal mother liquor.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of an external constant current component in the invention.
List of reference numerals: the device comprises a filtering pipeline 1, a filtering plate 2, a supporting plate 3, an adjusting connecting rod 4, an internal constant flow plate 5, an external constant flow tank 6, a constant flow adjusting pump 7, a filtering inlet end eduction tube 8, a filtering outlet end eduction tube 9, a constant flow cavity 10, a constant flow rod 11, a lead-out valve 12 and a lead-in valve 13.
Detailed Description
The technical solutions provided by the present invention will be described in detail below with reference to specific examples, and it should be understood that the following specific embodiments are only illustrative of the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1, the present invention is a schematic structural diagram of a constant flow filtration apparatus for centrifugal mother liquor, and the apparatus includes a filtration pipeline 1, an internal constant flow component, and an external constant flow component.
The filtering pipeline 1 is a T-shaped pipeline, two ends of a horizontal part of the filtering pipeline are respectively a filtering inlet end and an internal constant-flow piece mounting end, the top end of a vertical part is communicated with the middle part of the horizontal part, and the bottom end of the vertical part is a filtering outlet end; the filter outlet end is provided with a filter plate 2 in a matching way.
The inner constant flow component comprises a supporting plate 3, an adjusting connecting rod 4 and an inner constant flow plate 5; the supporting plate 3 is vertically fixed at the mounting end of the internal constant-current component; one end of the adjusting connecting rod 4 is connected with the supporting plate 3, and the other end is connected with the inner constant current plate 5; the upper end of the inner constant flow plate 5 is rotatably arranged at the center of the inner side of the horizontal part of the filtering pipeline 1, the middle part of the inner constant flow plate 5 is rotatably arranged with the output end of the adjusting connecting rod 4, and the length of the inner constant flow plate 5 is not less than the distance from the upper end of the inner constant flow plate to the mounting end of the inner constant flow part and the corner of the filtering outlet end.
As shown in fig. 2, the external constant flow element comprises an external constant flow tank 6, a constant flow regulating pump 7, a filter inlet end eduction tube 8 and a filter outlet end eduction tube 9; the external constant flow tank 6 is arranged between the filtering inlet end and the filtering outlet end, the top of the external constant flow tank is inwards provided with a constant flow cavity 10, and the inner wall of the constant flow cavity 10 is provided with a spiral constant flow cavity groove from top to bottom; the constant-current regulating pump 7 is arranged at the bottom of the external constant-current tank 6, and the output shaft of the constant-current regulating pump is provided with a constant-current rod 11 facing the constant-current cavity 10 in a matching way; the constant-current rod 11 is matched with the constant-current cavity 10, the outer wall of the constant-current rod 11 is provided with a constant-current rod bulge matched with the constant-current cavity groove from top to bottom, and the top of the constant-current rod 11 is rotatably installed with an output shaft of the constant-current regulating pump 7; a filter inlet end eduction tube 8 and a filter outlet end eduction tube 9 respectively communicate the constant flow cavity 10 with the filter inlet end and the filter outlet end. The constant flow regulating pump 7 is a servo pump and is connected with a servo driver; a lead-out valve 12 and a lead-in valve 13 are respectively matched and installed on the filtering inlet end lead-out pipe 8 and the filtering outlet end lead-in pipe 9; the lead-out valve 12 and the lead-in valve 13 are servo electromagnetic valves and are connected to the same servo driver as the constant flow regulating pump 7.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all the modifications and equivalent substitutions should be covered by the claims of the present invention.
Claims (5)
1. A constant-flow filtering device for centrifugal mother liquor water is characterized in that: comprises a filtering pipeline (1), an internal constant flow piece and an external constant flow piece; the filtering pipeline (1) is a T-shaped pipeline, two ends of a horizontal part of the filtering pipeline are respectively a filtering inlet end and an internal constant-flow piece mounting end, the top end of a vertical part is communicated with the middle part of the horizontal part, and the bottom end of the vertical part is a filtering outlet end; the filtering outlet end is provided with a filtering plate (2) in a matching way; the internal constant-current component comprises a supporting plate (3), an adjusting connecting rod (4) and an internal constant-current plate (5); the supporting plate (3) is vertically fixed at the mounting end of the internal constant-current part; one end of the adjusting connecting rod (4) is connected with the supporting plate (3), and the other end of the adjusting connecting rod is connected with the inner constant current plate (5); the inner constant flow plate (5) is positioned in the center of the horizontal part of the filtering pipeline (1) and is arranged towards the corner where the filtering inlet section is connected with the vertical part; the external constant-flow part comprises an external constant-flow tank (6), a constant-flow regulating pump (7), a filter inlet end eduction tube (8) and a filter outlet end induction tube (9); the external constant flow tank (6) is arranged between the filtering inlet end and the filtering outlet end, and the top of the external constant flow tank is inwards provided with a constant flow cavity (10); the constant-flow regulating pump (7) is arranged at the bottom of the external constant-flow tank (6), and a constant-flow rod (11) is arranged on an output shaft of the constant-flow regulating pump in a matching way towards the constant-flow cavity (10); the constant flow rod (11) is matched with the constant flow cavity (10); the constant flow cavity (10) is respectively communicated with the filtering inlet end and the filtering outlet end by the filtering inlet end eduction tube (8) and the filtering outlet end eduction tube (9).
2. A constant flow filtration device for centrifuged mother liquor water as claimed in claim 1 wherein: the upper end of the inner constant flow plate (5) is rotatably arranged at the center of the inner side of the horizontal part of the filtering pipeline (1), the middle part of the inner constant flow plate (5) is rotatably arranged with the output end of the adjusting connecting rod (4), and the length of the inner constant flow plate (5) is not less than the distance from the upper end of the inner constant flow plate to the mounting end of the inner constant flow piece and the corner of the filtering outlet end.
3. A constant flow filtration device for centrifuged mother liquor water as claimed in claim 1 wherein: the inner wall of the constant current cavity (10) is provided with a spiral constant current cavity groove from top to bottom; the outer wall of the constant-current rod (11) is provided with a constant-current rod bulge matched with the constant-current cavity groove from top to bottom, and the top of the constant-current rod (11) is rotatably installed with an output shaft of the constant-current regulating pump (7).
4. A constant flow filtration device for centrifuged mother liquor water as claimed in claim 3 wherein: the constant flow regulating pump (7) is a servo pump and is connected with a servo driver.
5. A constant flow filtration device for centrifuged mother liquor water as claimed in claim 4 wherein: a guide-out valve (12) and a guide-in valve (13) are respectively arranged on the guide-out pipe (8) at the filtering inlet end and the guide-in pipe (9) at the filtering outlet end in a matching way; the lead-out valve (12) and the lead-in valve (13) are servo electromagnetic valves and are connected to the same servo driver with the constant flow regulating pump (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011398173.5A CN113577865B (en) | 2020-12-03 | 2020-12-03 | Constant-flow filtering device for centrifugal mother liquor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011398173.5A CN113577865B (en) | 2020-12-03 | 2020-12-03 | Constant-flow filtering device for centrifugal mother liquor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113577865A true CN113577865A (en) | 2021-11-02 |
| CN113577865B CN113577865B (en) | 2022-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011398173.5A Active CN113577865B (en) | 2020-12-03 | 2020-12-03 | Constant-flow filtering device for centrifugal mother liquor |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1343075A (en) * | 1970-05-12 | 1974-01-10 | Ecodyne Corp | Method of and apparatsu for filtering liquids |
| EP0079040A2 (en) * | 1981-11-06 | 1983-05-18 | Hydronautics, Incorporated | Method and apparatus for increasing the cross-flow filtration fluxes of liquids containing suspended solids |
| CN1280873A (en) * | 1999-07-20 | 2001-01-24 | 中国科学院生态环境研究中心 | Constant-flow ultrafiltration method and equipment thereof |
| CN1768895A (en) * | 2004-11-02 | 2006-05-10 | 南通醋酸纤维有限公司 | Constant pressure and constant flow filtering method |
| CN101069815A (en) * | 2007-03-30 | 2007-11-14 | 西安建筑科技大学 | Control device for fully-automatic constant-flow super-filtering water treatment |
| CN102563159A (en) * | 2010-12-30 | 2012-07-11 | 北大方正集团有限公司 | Flow control device, coke-oven dust removing system and control method for flow of flowable substance |
| CN206823332U (en) * | 2017-06-16 | 2018-01-02 | 联科阀门有限公司 | It is a kind of can on-line maintenance T-shaped filter |
| CN208770931U (en) * | 2018-08-13 | 2019-04-23 | 扬州悦正环境科技有限公司 | A kind of voltage regulation type fore filter |
-
2020
- 2020-12-03 CN CN202011398173.5A patent/CN113577865B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1343075A (en) * | 1970-05-12 | 1974-01-10 | Ecodyne Corp | Method of and apparatsu for filtering liquids |
| EP0079040A2 (en) * | 1981-11-06 | 1983-05-18 | Hydronautics, Incorporated | Method and apparatus for increasing the cross-flow filtration fluxes of liquids containing suspended solids |
| CN1280873A (en) * | 1999-07-20 | 2001-01-24 | 中国科学院生态环境研究中心 | Constant-flow ultrafiltration method and equipment thereof |
| CN1768895A (en) * | 2004-11-02 | 2006-05-10 | 南通醋酸纤维有限公司 | Constant pressure and constant flow filtering method |
| CN101069815A (en) * | 2007-03-30 | 2007-11-14 | 西安建筑科技大学 | Control device for fully-automatic constant-flow super-filtering water treatment |
| CN102563159A (en) * | 2010-12-30 | 2012-07-11 | 北大方正集团有限公司 | Flow control device, coke-oven dust removing system and control method for flow of flowable substance |
| CN206823332U (en) * | 2017-06-16 | 2018-01-02 | 联科阀门有限公司 | It is a kind of can on-line maintenance T-shaped filter |
| CN208770931U (en) * | 2018-08-13 | 2019-04-23 | 扬州悦正环境科技有限公司 | A kind of voltage regulation type fore filter |
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| CN113577865B (en) | 2022-07-12 |
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