CN201105177Y - Floating upward filtration type filter capable of back flushing - Google Patents
Floating upward filtration type filter capable of back flushing Download PDFInfo
- Publication number
- CN201105177Y CN201105177Y CNU2007201816845U CN200720181684U CN201105177Y CN 201105177 Y CN201105177 Y CN 201105177Y CN U2007201816845 U CNU2007201816845 U CN U2007201816845U CN 200720181684 U CN200720181684 U CN 200720181684U CN 201105177 Y CN201105177 Y CN 201105177Y
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Abstract
The utility model relates to the floating upper filtering filter, which can flush back for decontamination and belongs to the sewage treatment facility technical field. A tank is welded with a manhole, a water outlet, a backwashing water inlet, a sewage outlet and a water distributor, and the upper end of the tank body cavity is fastened with a water filter. The upper end of the tank is connected with an exhaust valve, and the front side of the tank is embedded with a sight glass. Floating type filtering material is arranged in the tank body cavity. The water outlet is connected with a water outlet pipe through a water-outlet valve, the backwashing water inlet is connected with a water inlet pipe through a backwashing intake valve, the water inlet pipe is connected with a water distributor inlet through a intake valve, a backwashing air inlet is connected with an air inlet pipe through an air inlet valve, a sewage outlet is connected with a filtering body through a connecting valve, the filter body is connected with a sealing cylinder through a blowdown valve, and the sealing cylinder is connected with a blow-off pipe through a blowdown valve, and the connections are all in flanged connection mode. The filtering body is fastened with a filter webbing membrane. The upper filtering type structure has small land occupation and low investment. For the filtering material, the specific gravity of which is smaller than 1, can be decontaminated, the service life of the utility model is long. Moreover, with great effect and low cost, the new device and new method can be extensively popularized and applied.
Description
Technical field
The unsteady upward filtration formula filter that the utility model can recoil and remove contamination relates to the sewage-treatment plant technical field; Be particularly related to the device technique field of carrying out sewage disposal with filter type; Relating in particular to recoil removes contamination and upward filtration formula sewage-treatment plant technical field; The unsteady upward filtration formula filter technology field that is specifically related to recoil and removes contamination.
Background technology
At present, no matter be mode, or the device of sewage disposal/or the equipment of sewage disposal, it is varied to say so, specific to the sewage-treatment plant of filtering type/or equipment, be down the filter of filter formula/or equipment, ubiquity many deficiencies, defective and drawbacks such as floor space is big, investment cost is big, operation cost is high, comprehensive benefit difference; More outstanding is existing known technology also exists be down the filter formula and do not have service life of upward filtration formula,, the concrete situation that can't observe sewage disposal little and restricted, not ideal enough, filtrate to the effect of sewage disposal to the treating capacity of sewage short, filtrate can not use repeatedly and repeatedly, to remove contamination difficult treatment and many deficiencies, defective and the drawback such as loaded down with trivial details of filtrate.Based on applicant's professional knowledge be engaged in the many years of experience of industry work and to the excelsior pursuit of cause, the utility model is exactly conscientious and on sufficient investigation, understanding, analysis, the above-mentioned existing known technology of summary and the present situation basis, for overcoming and solving that the many deficiencies, defective and the drawback that exist in the existing known technology succeed in developing.
The utility model content
The purpose of this utility model provides a kind of unsteady upward filtration formula filter that recoils and remove contamination, its tank body and manhole, delivery port, the backwash water inlet, sewage draining exit, water-locator all welds, upper end, tank body chamber is fastening with water filter, the tank body upper end is connected with the air bleeding valve flange, tank body is positive to be inlayed with visor, put floating type filtrate in the tank body chamber, pass through outlet valve between delivery port and outlet pipe, between backwash water inlet and water inlet pipe by the backwash water intaking valve, pass through water intaking valve between water inlet pipe and water-locator import, pass through intake valve between backwash air inlet and air inlet pipe, sewage draining exit with the filter body between by being connected valve, filter body and envelope tube, be connected by the equal flange of blowoff valve between envelope tube and blow-off pipe, it is fastening to filter body and screen membrane.
The purpose that reaches by the utility model is: change traditional following filter formula, and with the new approaches of upward filtration formula, a kind of " the unsteady upward filtration formula filter that can recoil and remove contamination " new product is provided, overcome and solve and have the many deficiencies that exist in the known technology, defective and drawback make its floor space little, investment cost is little, operation cost is low, comprehensive benefit is good, treating capacity to sewage is big and adjustable, make the sewage treatment effect ideal, can observe the concrete situation of sewage disposal, the long service life of filtrate, filtrate can use repeatedly and repeatedly, to filtrate remove contamination in the mode of recoil and when simply saving fast and reduce expenses, easy to use, effect stability is reliable, be convenient to processing and fabricating and installation and cost is low, help wide popularization and application.
The utility model can accomplish the end in view.
For achieving the above object, the technical scheme that provides of the utility model is:
A kind of unsteady upward filtration formula filter that recoils and remove contamination, dirt trap, backwash air inlet, water inlet pipe, the backwash water inlet be made up of tank body, water filter, delivery port, air bleeding valve, floating type filtrate, manhole, visor, water-locator, sewage draining exit and filter body and screen membrane and envelope tube constitute;
The described unsteady upward filtration formula filter that recoils and remove contamination, one side and the manhole of its tank body, the upper end of tank body and delivery port, the opposite side of tank body and backwash water inlet, the lower end of tank body and sewage draining exit, lower end and water-locator in the tank body cavity all are welded to connect, upper end and water filter in its tank body cavity are fastenedly connected by securing member, the upper end of its tank body is connected with the air bleeding valve flange, the front of its tank body is inlayed with visor and is connected, be placed with floating type filtrate in the cavity of its tank body, pass through outlet valve between its delivery port and the outlet pipe, between backwash water inlet and the water inlet pipe by the backwash water intaking valve, pass through water intaking valve between the import of water inlet pipe and water-locator, pass through intake valve between backwash air inlet and the air inlet pipe, between the filter body on sewage draining exit and the dirt trap by being connected valve, filter body on the dirt trap and the envelope tube on the dirt trap, be connected by the equal flange of blowoff valve between envelope tube on the dirt trap and the blow-off pipe, filter body on its dirt trap and the screen membrane on the dirt trap are fastenedly connected by securing member.
The described unsteady upward filtration formula filter that recoils and remove contamination, described tank body is a jar shape structure, described water filter is for being provided with meshed platy structure, described delivery port, manhole, sewage draining exit, the backwash air inlet, water inlet pipe, the backwash water inlet, outlet pipe, air inlet pipe, blow-off pipe is tubular structure, the safety valve shape structure that described air bleeding valve is general for market purchases, described floating type filtrate is a nutty structure, described visor is an eyeglass shape structure, described water-locator is the tubular structure that is provided with water flowing/passage, described filter body is the tubular structure that is provided with limbers and tail end sealing, described screen membrane is the nethike embrane laminated structure, described envelope tube is a tubular structure, described filter body, screen membrane, the envelope tube is common formation dirt trap after connecting, described outlet valve, the backwash water intaking valve, water intaking valve, connect valve, blowoff valve is market and purchases and general valve body shape structure, described air bleeding valve is for purchasing general safety exhaust shape structure, the air valve shape structure that described intake valve is general for market purchases for market.
The described unsteady upward filtration formula filter that recoils and remove contamination, the diameter of described floating type filtering material particle is greater than the mesh of water filter and the mesh of screen membrane caul sheet, the proportion of described floating type filtrate is less than 1, described visor is 2 that arrange with up and down, and the lower end of described tank body is provided with and is connected with support.
The described unsteady upward filtration formula filter that recoils and remove contamination is connected with sealing plate with the flange ways of connecting on the described manhole.
The described unsteady upward filtration formula filter that recoils and remove contamination, the lower end of described water inlet pipe is connected with threeway.
The described unsteady upward filtration formula filter that recoils and remove contamination, described water filter is for selecting that meshed plate-like structure is set, meshed notch board shape structure is set, a kind of structure in the meshed flange shape structure is set, and the mesh that is provided with on the described water filter is for selecting a kind of in circular mesh, oval-shaped mesh, square mesh, rectangular mesh, leg-of-mutton mesh, the hexagonal mesh.
The operation principle of the present utility model and the course of work are: described in the utility modelly recoil the unsteady upward filtration formula filter of removing contamination in use, close blowoff valve, connect valve, intake valve, the backwash water intaking valve, by the manhole floating type filtrate of packing into, and manhole sealed, open outlet valve, open water intaking valve then, sewage just enters water-locator by water inlet pipe through water intaking valve, and sewage is evenly distributed in the tank body by water-locator, rise in from bottom to top mode in the tank body through equally distributed sewage, because the proportion of floating type material is lighter than water less than 1, so swim in sewage above, in the process of its floating rising, run into water filter gradually and be evenly distributed in the water filter mesh around, also since the diameter of floating type filtering material particle greater than the mesh of water filter, so floating type filtrate can be by the mesh of water filter, sewage then just becomes " water of cleaning " and mesh by water filter through the filtration of floating type filtrate--discharges by outlet pipe through outlet valve; In the above-mentioned course of work, can by visor observe at any time and check sewage the filtration situation, can detect result by outlet pipe to sewage water filtration.Here it is one of innovation and creation point of the present utility model: by floating type filtrate unsteady, sewage then be referred to as from bottom to top the upward filtration formula, sewage is carried out the filter that science is filtered.Behind the filtration work operation certain hour of the utility model to sewage, just can see by visor, the certain dirt of meeting absorption/bonding on the floating type filtrate, this illustrates that floating type filtrate is to the state that need remove contamination.For removing contamination of floating type filtrate, then adopt the mode of recoil and carry out.That is: close water intaking valve, outlet valve; Open blowoff valve, connect valve, open backwash water intaking valve, intake valve again, because the backwash water intaking valve is opened, clear water/or still use the water that needed originally to filter and (decide on on-the-spot actual conditions and situation, the threeway that is connected by the water inlet pipe lower end realizes) just enter tank body from top to bottom, because intake valve is opened, just floating type filtrate is exerted pressure from top to bottom, thereby make floating type filtrate obtain successively to wash away, and make the dirt of absorption/bonding on the floating type filtrate be washed away removing totally; Like this, accuse for removing contamination just of floating type filtrate and finish.This is again one of innovation and creation point in the utility model: in the mode of recoil, to the dirt of absorption/bonding on the floating type filtrate, carry out scientific and effective removing, make floating type filtrate obtain regeneration and purpose that realization repeatedly reuses repeatedly.Afterwards, be returned to again among the processing of sewage water filtration; That is: the dirt of absorption/bonding is washed away and after disposing on the floating type filtrate, close intake valve, backwash water intaking valve, blowoff valve, open outlet valve, water intaking valve, make sewage enter tank body by water-locator, still because the proportion principle lighter than water of floating type filtrate less than 1, so as to swim in automatically sewage above, just replied filtration treatment since then to sewage; After having replied the filtration treatment to sewage, close the connection valve again, open blowoff valve then, the residue sewage discharge after floating type filtrate is removed contamination is clean.The operation principle of the present utility model and the course of work easy understandable, should be readily appreciated that and grasp, help wide popularization and application.
Owing to adopted technical scheme provided by the utility model, because the above-mentioned operation principle of the utility model and the course of work are described, make the utility model compare with existing known technology, obtained following beneficial effect:
1,, can enter the beneficial effect that tank body is placed floating type filtrate and carried out the I﹠M maintenance thereby obtained the relevant personnel because the utility model is provided with manhole.
2, since the utility model be provided with proportion less than 1 than the diameter of light floating type material of water and floating type filtering material particle mesh greater than water filter, thereby obtained by floating type filtrate unsteady, sewage then is referred to as the beneficial effect of the filter upward filtration formula, that the sewage science of carrying out is filtered from bottom to top.
3, since the utility model be provided with proportion less than 1 than the diameter of light floating type material of water and floating type filtering material particle mesh greater than the caul sheet of screen membrane, thereby obtained with recoil mode, to the dirt of absorption/bonding on the floating type filtrate, carry out scientific and effective removing, make floating type filtrate obtain regeneration and the beneficial effect of the purpose that realization repeatedly reuses repeatedly.
4,, thereby obtained the beneficial effect that to observe the treatment situation of sewage water filtration because the utility model is provided with visor.
5,, thereby obtained the beneficial effect that water inlet pipe both can utilize clean water in place with good conditionsi, can also still utilize the water that needs to filter in unconditional place, floating type filtrate is recoiled and removes contamination because the lower end of water inlet pipe described in the utility model is connected with threeway.Simultaneously, also can determine as the case may be to install for the user provides/or the beneficial effect of the threeway free degree is not installed.
6,, thereby obtained to make the equally distributed beneficial effect of sewage because the utility model is provided with water-locator.
7, because the utility model is provided with air inlet and blow-off system, backwash water intaking valve and backwash water inlet pipe, by filter body and screen membrane and seal a dirt trap of forming, thereby obtained the beneficial effect that can remove contamination to floating type filtrate.
8, since filter body of the present utility model is connected, filter body and be connected by securing member with the envelope drum flange with screen membrane, thereby obtained that dismounting and replacing screen membrane had not only made things convenient for but also beneficial effect efficiently.
9,, thereby can make the clean beneficial effect of sewage discharge after having obtained floating type filtrate removed contamination because the utility model is provided with blowoff valve.
10,, thereby obtained to control automatically the beneficial effect of gas pressure in the tank body because the air bleeding valve safety valve shape structure general of the utility model setting for market purchases.
11,, thereby obtained the beneficial effect of " the unsteady upward filtration formula filter that can recoil and remove contamination " new product because above each bar of the present utility model is described.
12, because above each bar of the present utility model is described, thereby obtained the beneficial effect of " can remove contamination, in the mode of the upward filtration that floats, sewage disposal is filtered, realized to the sewage science of carrying out " new method to the filtrate recoil.
13, because design science of the present utility model is reasonable, simple and practical, use is easy to operate, method is reliable and stable, thus the beneficial effect of low, an easy to use and sharp popularization that obtained to be easy to be made.
Description of drawings
Fig. 1 is the structural representation of the utility model specific embodiment.
Fig. 2 analyses and observe enlarged diagram for the structure that constitutes dirt trap by filter body, screen membrane, envelope tube in the utility model specific embodiment.
Label among the figure: 1, tank body, 2, water filter, 3, delivery port, 4, air bleeding valve, 5, floating type filtrate, 6, manhole, 7, visor, 8, water-locator, 9, sewage draining exit, 101, filter body, 102, screen membrane, 103, the envelope tube, 10, dirt trap, 11, backwash air inlet, 12, water inlet pipe, 13, the backwash water inlet.
The specific embodiment
Below in conjunction with Figure of description, the utility model is described in detail.Shown in Figure of description:
A kind of unsteady upward filtration formula filter that recoils and remove contamination is made of tank body 1, water filter 2, delivery port 3, air bleeding valve 4, floating type filtrate 5, manhole 6, visor 7, water-locator 8, sewage draining exit 9 and filter body 101 and screen membrane 102 and envelope tube 103 dirt traps of forming 10, backwash air inlet 11, water inlet pipe 12, backwash water inlet 13;
The described unsteady upward filtration formula filter that recoils and remove contamination, one side of its tank body 1 and manhole 6, the upper end of tank body 1 and delivery port 3, the opposite side of tank body 1 and backwash water inlet 13, the lower end of tank body 1 and sewage draining exit 9, lower end and water-locator 8 in tank body 1 cavity all are welded to connect, upper end in its tank body 1 cavity and water filter 2 are fastenedly connected by securing member, the upper end of its tank body 1 is connected with air bleeding valve 4 flanges, the front of its tank body 1 is inlayed with visor 7 and is connected, be placed with floating type filtrate 5 in the cavity of its tank body 1, pass through outlet valve between its delivery port 3 and the outlet pipe, between backwash water inlet 13 and the water inlet pipe 12 by the backwash water intaking valve, pass through water intaking valve between the import of water inlet pipe 12 and water-locator 8, pass through intake valve between backwash air inlet 11 and the air inlet pipe, between the filter body 101 on sewage draining exit 9 and the dirt trap 10 by being connected valve, filter body 101 on the dirt trap 10 and the envelope tube 103 on the dirt trap 10, be connected by the equal flange of blowoff valve between envelope tube 103 on the dirt trap 10 and the blow-off pipe, screen membrane on the filter body 101 on its dirt trap 10 and the dirt trap 10 102 is fastenedly connected by securing member.
The described unsteady upward filtration formula filter that recoils and remove contamination, described tank body 1 is a jar shape structure, described water filter 2 is for being provided with meshed platy structure, described delivery port 3, manhole 6, sewage draining exit 9, backwash air inlet 11, water inlet pipe 12, backwash water inlet 13, outlet pipe, air inlet pipe, blow-off pipe is tubular structure, described air bleeding valve 4 is purchased general safety valve shape structure for market, described floating type filtrate 5 is a nutty structure, described visor 7 is an eyeglass shape structure, described water-locator 8 is for being provided with the tubular structure of water flowing/passage, described filter body 101 is for being provided with the tubular structure of limbers and tail end sealing, described screen membrane 102 is the nethike embrane laminated structure, described envelope tube 103 is a tubular structure, described filter body 101, screen membrane 102, envelope tube 103 is common formation dirt trap 10 after connecting, described outlet valve, the backwash water intaking valve, water intaking valve, connect valve, blowoff valve is market and purchases and general valve body shape structure, described air bleeding valve 4 is for purchasing general safety exhaust shape structure, the air valve shape structure that described intake valve is general for market purchases for market.
The described unsteady upward filtration formula filter that recoils and remove contamination, the diameter of described floating type filtrate 5 particles is greater than the mesh of water filter 2 and the mesh of screen membrane 102 caul sheets, the proportion of described floating type filtrate 5 is less than 1, described visor 7 is 2 that arrange with up and down, and the lower end of described tank body 1 is provided with and is connected with support.
The described unsteady upward filtration formula filter that recoils and remove contamination is connected with sealing plate with the flange ways of connecting on the described manhole 6.
The described unsteady upward filtration formula filter that recoils and remove contamination, the lower end of described water inlet pipe 12 is connected with threeway.
The described unsteady upward filtration formula filter that recoils and remove contamination, described water filter 2 is for selecting that meshed plate-like structure is set, meshed notch board shape structure is set, a kind of structure in the meshed flange shape structure is set, and the mesh that is provided with on the described water filter 2 is for selecting a kind of in circular mesh, oval-shaped mesh, square mesh, rectangular mesh, leg-of-mutton mesh, the hexagonal mesh.
In above-mentioned specific implementation process: to described water filter 2 respectively meshed plate-like structure to be set, meshed notch board shape structure is set, meshed flange shape structure is set implements; The mesh that is provided with on the described water filter 2 is implemented with the mesh of circle, oval-shaped mesh, square mesh, rectangular mesh, leg-of-mutton mesh, hexagonal mesh respectively; All received the expection good result.
After the utility model is implemented to finish, carried out the test of examination row,, obtained the good result of expection through certification test.
The above is preferred embodiment of the present utility model only, is not that the utility model is done any pro forma restriction; The those of ordinary skill of all industry, but all shown in the by specification accompanying drawing and the above, and implement the utility model swimmingly; But all those skilled in the art in not breaking away from the technical solutions of the utility model scope, when can utilizing the above technology contents that discloses, and a little change of making, modify the equivalent variations with differentiation, are equivalent embodiment of the present utility model; Simultaneously, all foundations essence technology of the present utility model all still belongs in the scope of the technical solution of the utility model change, modification and the differentiation etc. of any equivalent variations that above embodiment did.
Claims (6)
1, a kind of unsteady upward filtration formula filter that recoils and remove contamination is characterized in that: dirt trap (10), backwash air inlet (11), water inlet pipe (12), the backwash water inlet (13) be made up of tank body (1), water filter (2), delivery port (3), air bleeding valve (4), floating type filtrate (5), manhole (6), visor (7), water-locator (8), sewage draining exit (9) and filter body (101) and screen membrane (102) and envelope tube (103) constitute;
The described unsteady upward filtration formula filter that recoils and remove contamination, one side of its tank body (1) and manhole (6), the upper end of tank body (1) and delivery port (3), the opposite side of tank body (1) and backwash water inlet (13), the lower end of tank body (1) and sewage draining exit (9), lower end and water-locator (8) in tank body (1) cavity all are welded to connect, upper end and water filter (2) in its tank body (1) cavity are fastenedly connected by securing member, the upper end of its tank body (1) is connected with air bleeding valve (4) flange, the front of its tank body (1) is inlayed with visor (7) and is connected, be placed with floating type filtrate (5) in the cavity of its tank body (1), pass through outlet valve between its delivery port (3) and the outlet pipe, between backwash water inlet (13) and the water inlet pipe (12) by the backwash water intaking valve, pass through water intaking valve between the import of water inlet pipe (12) and water-locator (8), pass through intake valve between backwash air inlet (11) and the air inlet pipe, between the filter body (101) on sewage draining exit (9) and the dirt trap (10) by being connected valve, envelope tube (103) on filter body (101) on the dirt trap (10) and the dirt trap (10), be connected by the equal flange of blowoff valve between envelope tube (103) on the dirt trap (10) and the blow-off pipe, the filter body (101) on its dirt trap (10) is fastenedly connected by securing member with screen membrane (102) on the dirt trap (10).
2, the unsteady upward filtration formula filter that recoils and remove contamination according to claim 1, it is characterized in that: described tank body (1) is a jar shape structure, described water filter (2) is for being provided with meshed platy structure, described delivery port (3), manhole (6), sewage draining exit (9), backwash air inlet (11), water inlet pipe (12), backwash water inlet (13), outlet pipe, air inlet pipe, blow-off pipe is tubular structure, described air bleeding valve (4) is purchased general safety valve shape structure for market, described floating type filtrate (5) is a nutty structure, described visor (7) is an eyeglass shape structure, described water-locator (8) is for being provided with the tubular structure of water flowing/passage, described filter body (101) is for being provided with the tubular structure of limbers and tail end sealing, described screen membrane (102) is the nethike embrane laminated structure, described envelope tube (103) is a tubular structure, described filter body (101), screen membrane (102), envelope tube (103) is common formation dirt trap (10) after connecting, described outlet valve, the backwash water intaking valve, water intaking valve, connect valve, blowoff valve is market and purchases and general valve body shape structure, described air bleeding valve (4) is for purchasing general safety exhaust shape structure, the air valve shape structure that described intake valve is general for market purchases for market.
3, the unsteady upward filtration formula filter that recoils and remove contamination according to claim 1, it is characterized in that: the diameter of described floating type filtrate (5) particle is greater than the mesh of water filter (2) and the mesh of screen membrane (102) caul sheet, the proportion of described floating type filtrate (5) is less than 1, described visor (7) is 2 that arrange with up and down, and the lower end of described tank body (1) is provided with and is connected with support.
4, the unsteady upward filtration formula filter that recoils and remove contamination according to claim 1 is characterized in that: described manhole (6) is gone up and is connected with sealing plate with the flange ways of connecting.
5, the unsteady upward filtration formula filter that recoils and remove contamination according to claim 1, it is characterized in that: the lower end of described water inlet pipe (12) is connected with threeway.
6, the unsteady upward filtration formula filter that recoils and remove contamination according to claim 1, it is characterized in that: described water filter (2) is for selecting that meshed plate-like structure is set, meshed notch board shape structure is set, a kind of structure in the meshed flange shape structure is set, and described water filter (2) is gone up the mesh that is provided with for selecting a kind of in circular mesh, oval-shaped mesh, square mesh, rectangular mesh, leg-of-mutton mesh, the hexagonal mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201816845U CN201105177Y (en) | 2007-10-22 | 2007-10-22 | Floating upward filtration type filter capable of back flushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201816845U CN201105177Y (en) | 2007-10-22 | 2007-10-22 | Floating upward filtration type filter capable of back flushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201105177Y true CN201105177Y (en) | 2008-08-27 |
Family
ID=39956963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201816845U Expired - Lifetime CN201105177Y (en) | 2007-10-22 | 2007-10-22 | Floating upward filtration type filter capable of back flushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201105177Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101224353B (en) * | 2007-10-22 | 2011-09-14 | 宛金晖 | Using method of floating upper filtering type filter capable of cleaning by backflushing |
| CN103611342A (en) * | 2013-11-29 | 2014-03-05 | 广东省建筑科学研究院 | Filtering device for treating clean rainwater to supplement water to cooling tower |
| CN103638700A (en) * | 2013-11-29 | 2014-03-19 | 广东省建筑科学研究院 | Self-cleaning maintenance-free clean rainfall runoff treating device |
| CN105344153A (en) * | 2015-12-14 | 2016-02-24 | 江苏源泰恒环境工程有限公司 | Water purifier |
| CN105999785A (en) * | 2016-06-24 | 2016-10-12 | 南通东来冶金装备有限公司 | High-speed filter |
| CN108751488A (en) * | 2018-05-23 | 2018-11-06 | 台州创投环保科技有限公司 | A kind of large-scale wastewater treatment plant centrifugal type process for purifying water |
| CN111425388A (en) * | 2020-04-30 | 2020-07-17 | 山东科源供排水设备工程有限公司 | Double-flange hydraulic dirt-removing water inlet valve |
-
2007
- 2007-10-22 CN CNU2007201816845U patent/CN201105177Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101224353B (en) * | 2007-10-22 | 2011-09-14 | 宛金晖 | Using method of floating upper filtering type filter capable of cleaning by backflushing |
| CN103611342A (en) * | 2013-11-29 | 2014-03-05 | 广东省建筑科学研究院 | Filtering device for treating clean rainwater to supplement water to cooling tower |
| CN103638700A (en) * | 2013-11-29 | 2014-03-19 | 广东省建筑科学研究院 | Self-cleaning maintenance-free clean rainfall runoff treating device |
| CN105344153A (en) * | 2015-12-14 | 2016-02-24 | 江苏源泰恒环境工程有限公司 | Water purifier |
| CN105999785A (en) * | 2016-06-24 | 2016-10-12 | 南通东来冶金装备有限公司 | High-speed filter |
| CN108751488A (en) * | 2018-05-23 | 2018-11-06 | 台州创投环保科技有限公司 | A kind of large-scale wastewater treatment plant centrifugal type process for purifying water |
| CN111425388A (en) * | 2020-04-30 | 2020-07-17 | 山东科源供排水设备工程有限公司 | Double-flange hydraulic dirt-removing water inlet valve |
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