CN111214876B - Automatically cleaning pipeline filter equipment for hydraulic engineering - Google Patents

Automatically cleaning pipeline filter equipment for hydraulic engineering Download PDF

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Publication number
CN111214876B
CN111214876B CN202010129649.9A CN202010129649A CN111214876B CN 111214876 B CN111214876 B CN 111214876B CN 202010129649 A CN202010129649 A CN 202010129649A CN 111214876 B CN111214876 B CN 111214876B
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CN
China
Prior art keywords
pipe
filter screen
piston
water
filter
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Expired - Fee Related
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CN202010129649.9A
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Chinese (zh)
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CN111214876A (en
Inventor
周雪杨
姜国徽
郭新生
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Individual
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Individual
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Priority to CN202010129649.9A priority Critical patent/CN111214876B/en
Publication of CN111214876A publication Critical patent/CN111214876A/en
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Publication of CN111214876B publication Critical patent/CN111214876B/en
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    • 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
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • 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
    • B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
    • B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
    • 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
    • B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
  • Sewage (AREA)

Abstract

The invention discloses a self-cleaning pipeline filtering device for hydraulic engineering, which comprises a filtering pipe, wherein the filtering pipe comprises a water inlet and a sewage port, a deslagging pipe is arranged on the side wall of the filtering pipe, a pressure valve is arranged on the deslagging pipe, a filter screen and a fixing ring are arranged on the inner wall of the filtering pipe, the filter screen and the fixing ring are both positioned between two connecting parts of the deslagging pipe and the filtering pipe, a spring is arranged at one end, close to the filter screen, of the fixing ring, a piston is arranged at one end, close to the filter screen, of the spring, and a clean water pipe is arranged on the side wall of the filtering pipe. According to the invention, after the filter screen is blocked, the pressure of the slag discharging pipe is greater than that of the filter pipe, so that water flows along the slag discharging pipe and forms negative pressure to peel off and clean impurities on the filter screen, the clear water pipe is blocked by the piston to prevent sewage from entering, the clear water pipe and the drain pipe are arranged side by side, so that the clear water pipe can be closed to open the drain pipe for self-cleaning when the filter screen is blocked, the self-cleaning speed is further increased by the puncture needle, and water resources are saved.

Description

Automatically cleaning pipeline filter equipment for hydraulic engineering
Technical Field
The invention relates to the field of hydraulic engineering, in particular to a self-cleaning pipeline filtering device for hydraulic engineering.
Background
In hydraulic engineering, the comparatively clean rivers of water conservancy pipeline transport get into each region, and the rivers of water conservancy pipeline department of intaking are dirty, consequently need carry out prefilter to rivers.
Current pipeline filtration is through the filter tube of taking the filter screen of installation on the pipeline, and aquatic impurity is filtered by the filter screen, but this filter tube is because the filter screen is blockked up the water yield that leads to passing through and reduces gradually after using a period, makes and carries water pressure and reduces, and the unable normal use of water end needs the manual work to dismantle the filter tube and carries out impurity clearance and install the use again, uses comparatively troublesome.
Disclosure of Invention
The invention aims to solve the defects that in the prior art, discharged impurities cannot be automatically cleaned, manual disassembly and cleaning are needed, and the use is troublesome.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a self-cleaning pipeline filter equipment for hydraulic engineering, includes the filter tube, the filter tube includes water inlet and sewage port, install the scum pipe on the lateral wall of filter tube, install the pressure valve on the scum pipe, install filter screen and solid fixed ring on the inner wall of filter tube, and filter screen and solid fixed ring all are located between two junctions of scum pipe and filter tube, gu fixed ring installs the spring near the one end of filter screen, the spring is close to the one end of filter screen and installs the piston, install the clear water pipe on the lateral wall of filter tube, the sewage port stopper is equipped with the pressure stopper.
Preferably, the clean water pipe is positioned on the right side of the filter screen, and the diameter of the clean water pipe is smaller than the length of the piston;
the passing limit of the pressure valve is larger than the elastic force of the spring, water flow enters the filter screen from the water inlet, the piston is pushed to move to open the clean water pipe, the spring is compressed, at the moment, the water flow is filtered by the filter screen and conveyed from the clean water pipe to the water using end, along with the increase of the using time, more impurities accumulated on the surface area of the filter screen block the filter screen, so that the water pressure at the position of the piston is reduced, the water pressure in the slag discharging pipe is increased, the pressure valve is opened to discharge water, the water flow flows to the sewage port along the slag discharging pipe and pushes away the pressure plug to discharge the water, the effect of the pressure plug is the same as that of the pressure valve, when the water pressure exceeds the limit to be opened and is lower than the limit to be closed, and when the water flow flows along the slag discharging pipe, the negative pressure is formed on one side, close to the water inlet, the impurities on the surface of the filter screen are peeled and discharged along with the water flow along the slag discharging pipe, the impurities on the filter screen are automatically cleaned, and the clean water pipe is blocked by the piston resetting;
after the impurity on the filter screen is clear away, because the elasticity of spring is less than the restriction passing force of pressure valve, then rivers automatic change flow direction and promote the piston through the filter screen and open the clear water pipe and carry out the clear water supply, need not artifical the dismantlement and wash, reduce the maintenance degree of difficulty, increase the convenience of using.
Preferably, the sewage outlet is closed, a sewage discharge pipe is installed on one side, located on the clean water pipe, of the filter pipe, the diameter of the sewage discharge pipe is smaller than the length of the piston, the length of the piston is larger than the farthest distance from the filter screen to the clean water pipe and smaller than the nearest distance from the filter screen to the sewage discharge pipe, and a plurality of puncture needles are installed at one end, close to the filter screen, of the piston;
when the filter screen is blocked by impurities, water flows to the sewage port along the residue discharge pipe, the sewage port is closed, the water flows reversely in the filter pipe to push the piston to move towards the filter screen and open the sewage discharge pipe, so that impurity sewage can be discharged from the sewage discharge pipe, and after the sewage discharge pipe is opened, the felting needles at the left end of the piston are pushed to the filter screen and clean the blocked impurities on the filter screen, the impurities cleaned by the felting needles are more easily carried by the water flow and discharged along the residue discharge pipe, the self-cleaning capability of the device is further improved, and when the sewage discharge pipe is opened, the piston blocks the clean water pipe, so that the sewage is prevented from entering the clean water pipe, and after the impurities on the filter screen are cleaned, the piston is pushed by the water flow at the water inlet to block the sewage discharge pipe and open the clean water pipe to supply water, so that the device can automatically switch clear water supply and sewage discharge without manual cleaning, the self-cleaning capability of the device is further improved, and the structure is simpler.
The invention has the following beneficial effects:
1. through pressure valve and spring, rivers pass through the filter screen and get into the interior water supply of fresh water pipe when the piston makes the filter screen unblock through the difference of restriction ability, when the filter screen blockked up, rivers flow along row's sediment pipe and form the negative pressure at filter screen department and peel off the impurity that blocks up on the filter screen and carry out automatic clearance, need not the manual work and dismantle the clearance, and the clearance is ended rivers because of the filter tube with arrange the intraductal different automatic pistons that promote of sediment through restriction ability and open the fresh water pipe water supply, need not manual operation.
2. The length of piston is greater than the diameter of clean water pipe, then when discharge impurity, the piston can stop up the clean water pipe completely, avoids in the sewage reverse flow in the filter tube clean water pipe, increases the filterable effect of device.
3. The sewage draining pipe is arranged on the lower portion of the filter screen, the filter screen is arranged on the lower portion of the filter screen, and the filter screen is arranged on the lower portion of the filter screen.
4. Because the length of piston is greater than the most distant place of filter screen to clean water pipe and is less than the nearest distance of filter screen to blow off pipe, then when normal use, clean water pipe is opened and the blow off pipe is blockked up by the piston for clear water after the filtration can not get into the blow off pipe and discharge, avoid extravagant, block up from clean in-process at the filter screen, rivers promote the piston in the filter pipe reverse flow and open the blow off pipe and block up the clean water pipe, it is intraductal to have avoided sewage to get into the clean water, increase device's filter effect.
5. The one end that the piston is close to the filter screen is provided with a plurality of felting needles, and the filter screen blocks up from clean in-process, and rivers reverse flow promotion piston blocking clear water pipe and make a plurality of felting needles pierce the impurity that the filter screen clearance blockked up in the filter pipe for cleaning speed is faster, further increases the self-cleaning ability of device, and makes the rivers of self-cleaning consumption less, the waste of the water resource of reduction.
In conclusion, the pressure of the residue discharge pipe is higher than that of the filter pipe after the filter screen is blocked, so that water flows along the residue discharge pipe and forms negative pressure to peel off and clean impurities on the filter screen, the clear water pipe is blocked by the piston to prevent sewage from entering, the clear water pipe and the drain pipe are arranged side by side, the clear water pipe can be closed to open the drain pipe for self-cleaning when the filter screen is blocked, the self-cleaning speed is further increased by the puncture needle, and water resources are saved.
Drawings
Fig. 1 is a schematic structural diagram of a self-cleaning pipeline filtering device for hydraulic engineering according to the present invention;
fig. 2 is a schematic structural diagram of the second embodiment.
In the figure: 1 filtering pipe, 2 deslagging pipes, 3 clean water pipe, 4 sewage pipe, 11 water inlet, 12 sewage outlet, 13 filter screen, 14 piston, 15 spring, 16 fixed ring, 17 pressure plug, 141, pricker, 21 and pressure valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
The first embodiment is as follows:
referring to fig. 1, a water conservancy project is with automatically cleaning pipeline filter equipment, including filter tube 1, filter tube 1 includes water inlet 11 and sewage port 12, install scum pipe 2 on filter tube 1's the lateral wall, install pressure valve 21 on the scum pipe 2, install filter screen 13 and solid fixed ring 16 on filter tube 1's the inner wall, and filter screen 13 and solid fixed ring 16 all are located between two junctions of scum pipe 2 and filter tube 1, gu fixed ring 16 installs spring 15 near the one end of filter screen 13, spring 15 installs piston 14 near the one end of filter screen 13, install clear water pipe 3 on filter tube 1's the lateral wall, sewage port 12 stopper is equipped with pressure stopper 17.
The clean water pipe 3 is positioned at the right side of the filter screen 13, and the diameter of the clean water pipe 3 is smaller than the length of the piston 14;
the passing limit of the pressure valve 21 is larger than the elastic force of the spring 15, water flow enters the filter screen 13 from the water inlet 11, the piston 14 is pushed to move to open the clean water pipe 3, the spring 15 is compressed, at the moment, the water flow is filtered by the filter screen 13 and is conveyed from the clean water pipe 3 to the water using end, as the using time increases, more impurities accumulated on the surface of the filter screen 13 block the filter screen 13 to cause the water pressure at the position of the piston 14 to decrease, the water pressure in the slag discharging pipe 2 increases, the pressure valve 21 opens for water discharging, the water flow flows to the sewage port 12 along the slag discharging pipe 2 and pushes the pressure plug 17 to discharge, the pressure plug 17 has the same effect as the pressure valve 21, when the water pressure exceeds the limit opening, the water pressure is lower than the limit closing, and when the water flow flows along the slag discharging pipe 2, negative pressure is formed on one side of the filter screen 13 close to the water inlet 11, impurities on the surface of the filter screen 13 are peeled and discharged along the slag discharging pipe 2 along with the water flow, and the impurities on the filter screen 13 are automatically cleaned, and the piston 14 is reset to block the clean water pipe 3;
after the impurities on the filter screen 13 are removed, because the elastic force of the spring 15 is smaller than the limiting passing force of the pressure valve 21, the flow direction of the water flow is automatically changed, the piston 14 is pushed by the filter screen 13 to open the clean water pipe 3 for clean water supply, manual disassembly and cleaning are not needed, the maintenance difficulty is reduced, and the use convenience is improved.
In the embodiment, water flows in from the water inlet 11 and flows along the two directions of the filter screen 13 and the slag discharge pipe 2, and because the passing limiting capacity of the pressure valve 21 on the slag discharge pipe 2 is larger than the elastic force of the spring 15, the water flows through the filter screen 13, the piston 14 is pushed to open the clean water pipe 3, at the moment, the spring 15 is compressed, and the water flow is conveyed to a water using end along the clean water pipe 3 after being filtered by the filter screen 13;
when the filter screen 13 is blocked by impurities, water flow cannot or cannot completely pass through the filter screen 13, so that the water pressure at the position of the slag discharge pipe 2 is increased, the pressure valve 21 is opened by larger water pressure, the water flow flows to the sewage port 12 along the slag discharge pipe 2, when the water flow flows along the slag discharge pipe 2, the position, close to the water inlet 11, of the filter screen 13 generates negative pressure, the negative pressure enables the impurities blocked on the filter screen 13 to be stripped and discharged to the sewage port 12 along the slag discharge pipe 2 along with the water flow, sewage at the sewage port 12 reversely pushes the piston 14 to block the clean water pipe 3, the sewage is prevented from entering the clean water pipe 3, and the pressure plug 17 opens to discharge the sewage along with the continuous increase of the pressure at the sewage port 12;
after impurity on filter screen 13 is cleared up, rivers can pass through filter screen 13, then 2 internal pressure reductions of scum pipe make pressure valve 21 block rivers, and rivers continue to filter and promote piston 14 to open clear water pipe 3 and carry the clear water after filtering through filter screen 13, form self-cleaning filter screen impurity, need not artifical dismantlement clearance, convenient to use.
Example two:
referring to fig. 2, a self-cleaning pipeline filtering device for hydraulic engineering, which is substantially the same as the first embodiment except that:
the sewage outlet 12 is closed, a sewage discharge pipe 4 is arranged on one side of the filter pipe 1, which is positioned on the clean water pipe 3, the diameter of the sewage discharge pipe 4 is smaller than the length of the piston 14, the length of the piston 14 is larger than the farthest distance from the filter screen 13 to the clean water pipe 3 and smaller than the nearest distance from the filter screen 13 to the sewage discharge pipe 4, and one end of the piston 14, which is close to the filter screen 13, is provided with a plurality of puncture needles 141;
when the filter screen 13 is blocked by impurities, water flows to the sewage port 12 along the slag discharge pipe 2, the sewage port 12 is closed, the water flows reversely in the filter pipe 1 to push the piston 14 to move towards the filter screen 13 and open the sewage discharge pipe 4, so that impurity sewage can be discharged from the sewage discharge pipe 4, and after the sewage discharge pipe 4 is opened, the felting needles 141 at the left end of the piston 14 are pushed to the filter screen 13 and clean the impurities blocked on the filter screen 13, the impurities cleaned by the felting needles 141 are more easily carried by the water flow and discharged along the slag discharge pipe 2, so that the self-cleaning capability of the device is further improved, when the sewage discharge pipe 4 is opened, the piston 14 blocks the clean water pipe 3, so that the sewage is prevented from entering the clean water pipe 3, and after the impurities on the filter screen 13 are cleaned, the piston 14 is pushed by the water flow at the water inlet to block the sewage discharge pipe 4 and open the clean water pipe 3 to supply, so that the device can automatically switch between clean water supply and sewage discharge, need not the manual work and clear up, further increased the self-cleaning ability of device, and the structure is simpler.
In the embodiment, under normal conditions, the water flow is filtered by the filter screen 13 to push the piston 14 to open the clean water pipe 3 and block the sewage discharge pipe 4, so that the waste of water source caused by the clean water flowing into the sewage discharge pipe 4 is avoided, after the filter screen 13 is blocked by impurities, water flow enters the sewage port 12 along the slag discharge pipe 2, and because the sewage port 12 is sealed, the water flow reversely flows and pushes the piston 14 to open the sewage discharge pipe 4 and block the clean water pipe 3, so that the sewage is prevented from entering the clean water pipe 3, and the piston 14 blocks the clean water pipe 3, the puncture needle 141 on the end surface of the piston 14 can puncture the hole of the filter screen 13 which is blocked, so that the impurities in the filter screen 13 are quickly washed by water flow and discharged along the slag discharge pipe 2 and finally discharged along the sewage discharge pipe 4, the self-cleaning speed of the device is increased, the water quantity required by self-cleaning is less, the water resource is saved, the structure of the device is further simplified, and the self-cleaning capability of the device is further improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (1)

1. A self-cleaning pipeline filtering device for hydraulic engineering comprises a filtering pipe (1) and is characterized in that, the filter pipe (1) comprises a water inlet (11) and a sewage port (12), the side wall of the filter pipe (1) is provided with a slag discharge pipe (2), the slag discharge pipe (2) is provided with a pressure valve (21), the inner wall of the filter pipe (1) is provided with a filter screen (13) and a fixing ring (16), and the filter screen (13) and the fixing ring (16) are both positioned between two connecting parts of the slag discharge pipe (2) and the filter pipe (1), a spring (15) is arranged at one end of the fixing ring (16) close to the filter screen (13), one end of the spring (15) close to the filter screen (13) is provided with a piston (14), a clear water pipe (3) is installed on the side wall of the filtering pipe (1), and a pressure plug (17) is arranged in the sewage port (12) in a plugging manner; the clear water pipe (3) is positioned on the right side of the filter screen (13), and the diameter of the clear water pipe (3) is smaller than the length of the piston (14); sewage mouth (12) seal, filter pipe (1) are located the right side of clean water pipe (3) and install blow off pipe (4), and the diameter of blow off pipe (4) is less than the length of piston (14), and the length of piston (14) is greater than filter screen (13) and is less than filter screen (13) to the farthest distance of clean water pipe (3) and the nearest distance of blow off pipe (4), a plurality of felting needles (141) are installed to piston (14) one end that is close to filter screen (13).
CN202010129649.9A 2020-02-28 2020-02-28 Automatically cleaning pipeline filter equipment for hydraulic engineering Expired - Fee Related CN111214876B (en)

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CN202010129649.9A CN111214876B (en) 2020-02-28 2020-02-28 Automatically cleaning pipeline filter equipment for hydraulic engineering

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Application Number Priority Date Filing Date Title
CN202010129649.9A CN111214876B (en) 2020-02-28 2020-02-28 Automatically cleaning pipeline filter equipment for hydraulic engineering

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CN111214876B true CN111214876B (en) 2021-11-02

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CN112275404B (en) * 2020-10-20 2022-01-07 重庆禀源环保科技有限公司 Watershed water pollutant collecting and detecting equipment based on hydraulic engineering
CN112354289B (en) * 2020-10-21 2022-07-08 江苏旭龙环境科技有限公司 Self-cleaning waste gas treatment device and treatment method
CN112759001A (en) * 2020-12-30 2021-05-07 江伟杰 Biological pollutant industry environmental protection equipment convenient to clearance
CN112807783A (en) * 2021-01-09 2021-05-18 嘉兴职业技术学院 Anti-blocking filter pipeline
CN112973251A (en) * 2021-02-08 2021-06-18 张家轩 Water conservancy pre buried pipeline prevents stifled system
CN113274816B (en) * 2021-04-28 2022-12-13 浙江恒以蓝环保设备有限公司 Textile waste gas clutch type treatment process
CN113074108B (en) * 2021-05-11 2022-07-01 浙江威邦机电科技有限公司 A filtration pump for swimming pool
CN114467892B (en) * 2021-05-17 2023-08-04 湖南永玖农业发展有限公司 Agricultural integrated pesticide spraying device
CN113426176A (en) * 2021-07-21 2021-09-24 黄燕莉 Energy-saving emission-reducing type town sewage treatment equipment
CN114470947B (en) * 2022-01-11 2023-05-05 南昌县供水有限责任公司 Real-time pressure monitoring and unblocking system for urban water supply network

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CN206715463U (en) * 2017-04-27 2017-12-08 邹城兖矿泰德工贸有限公司 Backpulsing water filter
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CN109630797A (en) * 2018-12-20 2019-04-16 杨永聪 A kind of anti-blocking pipeline of hydraulic engineering
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Inventor after: Zhou Xueyang

Inventor after: Jiang Guohui

Inventor after: Guo Xinsheng

Inventor before: Guo Xinsheng

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Granted publication date: 20211102