CN111804048A - Automatic back-flushing liquid-returning filtering station - Google Patents
Automatic back-flushing liquid-returning filtering station Download PDFInfo
- Publication number
- CN111804048A CN111804048A CN202010686778.8A CN202010686778A CN111804048A CN 111804048 A CN111804048 A CN 111804048A CN 202010686778 A CN202010686778 A CN 202010686778A CN 111804048 A CN111804048 A CN 111804048A
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- Prior art keywords
- pipe
- way valve
- liquid
- liquid outlet
- cylinder body
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- 238000001914 filtration Methods 0.000 title claims abstract description 71
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 148
- 239000010865 sewage Substances 0.000 claims abstract description 14
- 238000004140 cleaning Methods 0.000 abstract description 8
- 238000011001 backwashing Methods 0.000 description 23
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/12—Devices for taking out of action one or more units of multi- unit filters, e.g. for regeneration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
- B01D35/143—Filter condition indicators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
Abstract
The invention discloses an automatic back-flushing liquid-returning filtering station, which comprises a bottom plate, a group of filtering cylinder bodies, a liquid inlet pipe, a liquid outlet pipe, a back-flushing pipe and a sewage discharge pipe, wherein the group of filtering cylinder bodies are arranged on the bottom plate side by side; and a liquid outlet side three-way valve is correspondingly arranged on the liquid outlet side of each filtering cylinder body, one opening of each liquid outlet side three-way valve is communicated with a liquid outlet pipe, the other opening of each liquid outlet side three-way valve is communicated with the filtering cylinder body, and the third opening of each liquid outlet side three-way valve is communicated with a back flushing pipe. The back flushing cleaning does not influence the normal filtering work of other filtering cylinder bodies, and the back flushing cleaning is carried out without stopping the machine.
Description
Technical Field
The invention relates to the technical field of backwashing filter stations, in particular to an automatic backwashing liquid-returning filter station.
Background
In the automatic coal mining process, the emulsion of the coal mine hydraulic support is easily polluted, the emulsion needs to be filtered by a backwashing filter station, and a filter structure needs to be cleaned by backwashing after being used for a certain time; the existing backwashing filter station is mostly operated manually when a filter structure is cleaned by backwashing, the operation is complex, the backwashing is required to be stopped when the filter structure is cleaned, the backwashing can not be carried out at the working position, and the production efficiency is influenced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an automatic backwashing liquid-returning filtering station so as to achieve the aim of being carried out without stopping the machine during backwashing cleaning.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the automatic back-flushing liquid-returning filtering station comprises a bottom plate, a group of filtering cylinder bodies, a liquid inlet pipe, a liquid outlet pipe, a back-flushing pipe and a sewage discharge pipe, wherein the group of filtering cylinder bodies are arranged on the bottom plate side by side; and a liquid outlet side three-way valve is correspondingly arranged on the liquid outlet side of each filtering cylinder body, one opening of each liquid outlet side three-way valve is communicated with a liquid outlet pipe, the other opening of each liquid outlet side three-way valve is communicated with the filtering cylinder body, and the third opening of each liquid outlet side three-way valve is communicated with a back flushing pipe.
And furthermore, the device also comprises a controller for controlling the valve to work, and all the liquid inlet side three-way valves and the liquid outlet side three-way valves are connected with the controller.
The liquid inlet side three-way valve and the liquid outlet side three-way valve are both pneumatic three-way ball valves.
The liquid inlet pipe and the sewage discharge pipe are arranged on one side of the filtering cylinder body, and the liquid outlet pipe and the backflushing pipe are arranged on the other side of the filtering cylinder body.
And an overflow valve is arranged on the filtering cylinder body.
And the liquid inlet side three-way valve and the liquid outlet side three-way valve on two sides of each filtering cylinder body are arranged oppositely.
The liquid inlet pipe and the backflushing pipe are connected through a connecting branch, and a straight-through valve is arranged on the connecting branch.
And a liquid inlet pressure sensor is arranged on the liquid inlet pipe, and the liquid inlet pressure sensor and the straight-through valve are both connected with a controller.
An outlet connected with the liquid outlet side three-way valve is arranged on the filtering cylinder body, a liquid outlet pressure sensor is arranged at the outlet position, and the liquid outlet pressure sensor is connected with a controller.
Feed liquor pipe, blow off pipe, drain pipe and recoil pipe parallel arrangement side by side, feed liquor pipe, blow off pipe, drain pipe and recoil pipe all are linked together through the opening of connecting bend and the valve that corresponds.
Compared with the prior art, the invention has the following advantages:
the automatic backwashing liquid-returning filtering station is reasonable in structural design, the liquid inlet side of each filtering cylinder body is connected with a liquid inlet pipe and a blow-off pipe through an independent liquid inlet side three-way valve, the liquid outlet side of each filtering cylinder body is connected with a liquid outlet pipe and a backwashing pipe through an independent liquid outlet side three-way valve, the filtering cylinder body needing backwashing can be cleaned, the normal filtering work of other filtering cylinder bodies is not influenced during cleaning, the backwashing is not required to be stopped during cleaning, and the normal production is not influenced; and the automatic control can be detected for backwashing, the timing automatic backwashing and the manual control for backwashing, so that different requirements of users can be met, and the operation is simple and convenient.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
FIG. 1 is a schematic top view of a filtration station according to the present invention.
FIG. 2 is a schematic side view of a filtration station of the present invention.
In the figure:
1. the liquid filter comprises a bottom plate, 2, a filter cylinder body, 3, a liquid inlet pipe, 4, a liquid inlet, 5, a liquid inlet pressure sensor, 601, a liquid inlet side three-way valve I, 602, a liquid inlet side three-way valve II, 603, a liquid inlet side three-way valve III, 604, a liquid inlet side three-way valve IV, 7, a sewage discharge pipe, 8, a sewage discharge outlet, 9, a liquid outlet pipe, 101, a liquid outlet side three-way valve I, 102, a liquid outlet side three-way valve II, 103, a liquid outlet side three-way valve III, 104, a liquid outlet side three-way valve IV, 11, a backflushing pipe, 12, a straight-through valve, 13.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the automatic backwashing liquid-returning filtering station comprises a bottom plate 1, a group of filtering cylinder bodies 2, a liquid inlet pipe 3, a liquid outlet pipe 9, a backwashing pipe 11 and a sewage discharge pipe 7, wherein the group of filtering cylinder bodies are arranged on the bottom plate side by side, and the liquid inlet pipe, the liquid outlet pipe, the backwashing pipe and the sewage discharge pipe are all connected with the filtering cylinder bodies.
A liquid inlet side three-way valve is correspondingly arranged at the liquid inlet side of each filtering cylinder body, one opening of each liquid inlet side three-way valve is communicated with a liquid inlet pipe, the other opening of each liquid inlet side three-way valve is communicated with the filtering cylinder body, and the third opening of each liquid inlet side three-way valve is communicated with a sewage discharge pipe; the liquid outlet side of each filtering cylinder body is correspondingly provided with a liquid outlet side three-way valve, one opening of each liquid outlet side three-way valve is communicated with a liquid outlet pipe, the other opening of each liquid outlet side three-way valve is communicated with the filtering cylinder body, and the third opening of each liquid outlet side three-way valve is communicated with a back flushing pipe.
Preferably, four filtering cylinder bodies are arranged side by side, the filtering cylinder bodies are of a vertical cylinder structure, and the bottoms of the filtering cylinder bodies are fixed on the bottom plate; the filtering cylinder body is provided with an overflow valve 14.
The liquid inlet pipe and the sewage discharge pipe are arranged on one side of the filtering cylinder body, and the liquid outlet pipe and the backflushing pipe are arranged on the other side of the filtering cylinder body; the liquid inlet pipe, the blow-off pipe, the liquid outlet pipe and the backflushing pipe are arranged in parallel side by side, and are communicated with the openings of the corresponding valves through connecting bent pipes; the structure is compact, and the arrangement and installation are convenient.
The end part of the liquid inlet pipe is provided with a liquid inlet 4 connected with an external pipeline, and the end part of the liquid outlet pipe is provided with a liquid outlet; the end part of the sewage discharge pipe is provided with a sewage discharge port 8 connected with an external sewage discharge structure; one end of the back flushing pipe is provided with a back flushing connector connected with an external back flushing liquid conveying pipe, and the other end of the back flushing pipe 11 is connected with the liquid inlet pipe through a valve and a connecting pipe.
The liquid inlet side three-way valve and the liquid outlet side three-way valve are both pneumatic three-way ball valves; the four liquid inlet side three-way valves are arranged in parallel and are respectively a liquid inlet side three-way valve I601, a liquid inlet side three-way valve II 602, a liquid inlet side three-way valve III 603 and a liquid inlet side three-way valve IV 604; the liquid outlet side three-way valves are also four in parallel and are respectively a liquid outlet side three-way valve I101, a liquid outlet side three-way valve II 102, a liquid outlet side three-way valve III 103 and a liquid outlet side three-way valve IV 104; the liquid inlet side three-way valve and the liquid outlet side three-way valve are oppositely arranged into a group and are arranged in the same form; if the liquid inlet side three-way valve I601 and the liquid outlet side three-way valve I1001 that correspond first filter cylinder body setting, liquid inlet side three-way valve I601 and liquid outlet side three-way valve I1001 set up in first filter cylinder body both sides relatively.
The automatic back-flushing liquid-returning filtering station also comprises a controller for controlling the work of each valve, and the controller is a PLC (programmable logic controller) 15.
The liquid inlet pipe and the recoil pipe are connected through a connecting branch, a straight-through valve 12 is arranged on the connecting branch, liquid can be directly fed into the recoil pipe through the liquid inlet pipe for recoil, self circulation is formed, the structure is compact, and arrangement and installation are convenient; and the operation is simple and convenient.
All the liquid inlet side three-way valves and the liquid outlet side three-way valves are connected with a controller; be equipped with feed liquor pressure sensor 5 on the feed liquor pipe, feed liquor pressure sensor and through valve all link to each other with the controller, and accessible feed liquor pressure sensor detects feed liquor intraductal pressure to judge whether need carry out the recoil washing.
The filtering cylinder body is provided with an outlet connected with the liquid outlet side three-way valve, a liquid outlet pressure sensor 13 is arranged at the position of the outlet and connected with the controller, whether the filtering cylinder body needs to be backflushed and cleaned or not is judged according to the pressure sensor corresponding to each filtering cylinder body, and the controller is used for automatically controlling the filtering cylinder body.
In the invention, the liquid inlet side of each filtering cylinder body is connected with a liquid inlet pipe and a blow-off pipe through an independent liquid inlet side three-way valve, and the liquid outlet side of each filtering cylinder body is connected with a liquid outlet pipe and a backflushing pipe through an independent liquid outlet side three-way valve; for example, a first filtering cylinder body is subjected to back flushing operation, the liquid inlet side three-way valve I of the corresponding first filtering cylinder body closes the liquid inlet opening of the valve, and the other two openings are communicated, namely the filtering cylinder body is communicated with the sewage discharge pipe; the liquid outlet side three-way valve I of the corresponding first filtering cylinder body is used for closing the liquid outlet opening of the valve, and the other two openings are communicated, namely the filtering cylinder body is communicated with the backflushing pipe, so that the independent backflushing cleaning of the first filtering cylinder body is realized; other filtering cylinder bodies normally filter and work without stopping the machine for cleaning.
Therefore, the invention can independently clean the filtering cylinder body which needs to be cleaned by back flushing, the normal filtering work of other filtering cylinder bodies is not influenced when cleaning, the back flushing is not needed to be carried out, and the normal production is not influenced; and the automatic control can be detected for backwashing, the timing automatic backwashing and the manual control for backwashing, so that different requirements of users can be met, and the operation is simple and convenient.
The above-mentioned features are merely for describing preferred embodiments of the present invention and may be arbitrarily combined to form a plurality of embodiments of the present invention.
The invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the inventive concept and solution, or to apply the inventive concept and solution directly to other applications without modification.
Claims (10)
1. The utility model provides an automatic back flush returns liquid filter station, includes bottom plate, a set of filtration cylinder body, feed liquor pipe, drain pipe, recoil pipe and blow off pipe, a set of filtration cylinder body is established side by side on the bottom plate, feed liquor pipe, drain pipe, recoil pipe and blow off pipe all link to each other its characterized in that with filtering the cylinder body: a liquid inlet side three-way valve is correspondingly arranged at the liquid inlet side of each filtering cylinder body, one opening of the liquid inlet side three-way valve is communicated with a liquid inlet pipe, the other opening of the liquid inlet side three-way valve is communicated with the filtering cylinder body, and the third opening of the liquid inlet side three-way valve is communicated with a drain pipe; and a liquid outlet side three-way valve is correspondingly arranged on the liquid outlet side of each filtering cylinder body, one opening of each liquid outlet side three-way valve is communicated with a liquid outlet pipe, the other opening of each liquid outlet side three-way valve is communicated with the filtering cylinder body, and the third opening of each liquid outlet side three-way valve is communicated with a back flushing pipe.
2. The automatic backwash return liquid filter station as defined in claim 1, wherein: the liquid inlet side three-way valve and the liquid outlet side three-way valve are connected with the controller.
3. The automatic backwash return liquid filter station as defined in claim 1, wherein: the liquid inlet side three-way valve and the liquid outlet side three-way valve are both pneumatic three-way ball valves.
4. The automatic backwash return liquid filter station as defined in claim 1, wherein: the liquid inlet pipe and the sewage discharge pipe are arranged on one side of the filtering cylinder body, and the liquid outlet pipe and the backflushing pipe are arranged on the other side of the filtering cylinder body.
5. The automatic backwash return liquid filter station as defined in claim 1, wherein: and an overflow valve is arranged on the filtering cylinder body.
6. The automatic backwash return liquid filter station as defined in claim 1, wherein: and the liquid inlet side three-way valve and the liquid outlet side three-way valve on two sides of each filtering cylinder body are arranged oppositely.
7. The automatic backwash return liquid filter station as defined in claim 2, wherein: the liquid inlet pipe and the backflushing pipe are connected through a connecting branch, and a straight-through valve is arranged on the connecting branch.
8. The automatic backwash return liquid filter station as defined in claim 7, wherein: and a liquid inlet pressure sensor is arranged on the liquid inlet pipe, and the liquid inlet pressure sensor and the straight-through valve are both connected with a controller.
9. The automatic backwash return liquid filter station as defined in claim 8, wherein: an outlet connected with the liquid outlet side three-way valve is arranged on the filtering cylinder body, a liquid outlet pressure sensor is arranged at the outlet position, and the liquid outlet pressure sensor is connected with a controller.
10. The automatic backwash return liquid filter station as defined in claim 4, wherein: feed liquor pipe, blow off pipe, drain pipe and recoil pipe parallel arrangement side by side, feed liquor pipe, blow off pipe, drain pipe and recoil pipe all are linked together through the opening of connecting bend and the valve that corresponds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010686778.8A CN111804048A (en) | 2020-07-16 | 2020-07-16 | Automatic back-flushing liquid-returning filtering station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010686778.8A CN111804048A (en) | 2020-07-16 | 2020-07-16 | Automatic back-flushing liquid-returning filtering station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111804048A true CN111804048A (en) | 2020-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010686778.8A Pending CN111804048A (en) | 2020-07-16 | 2020-07-16 | Automatic back-flushing liquid-returning filtering station |
Country Status (1)
| Country | Link |
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| CN (1) | CN111804048A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205216379U (en) * | 2015-11-13 | 2016-05-11 | 淮南润成科技股份有限公司 | Mining water purification station in pit |
| CN205730493U (en) * | 2016-05-17 | 2016-11-30 | 上海复旦申花净化技术股份有限公司 | A kind of back purge system of water treatment facilities |
| CN205965206U (en) * | 2016-08-22 | 2017-02-22 | 上海华维节水灌溉股份有限公司 | Automatic back flush filter system |
| CN212309052U (en) * | 2020-07-16 | 2021-01-08 | 凡尔机械集团有限公司 | Automatic back flush returns liquid and filters station |
-
2020
- 2020-07-16 CN CN202010686778.8A patent/CN111804048A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205216379U (en) * | 2015-11-13 | 2016-05-11 | 淮南润成科技股份有限公司 | Mining water purification station in pit |
| CN205730493U (en) * | 2016-05-17 | 2016-11-30 | 上海复旦申花净化技术股份有限公司 | A kind of back purge system of water treatment facilities |
| CN205965206U (en) * | 2016-08-22 | 2017-02-22 | 上海华维节水灌溉股份有限公司 | Automatic back flush filter system |
| CN212309052U (en) * | 2020-07-16 | 2021-01-08 | 凡尔机械集团有限公司 | Automatic back flush returns liquid and filters station |
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