CN110723764A - Box-type film element water purifier - Google Patents
Box-type film element water purifier Download PDFInfo
- Publication number
- CN110723764A CN110723764A CN201911039532.5A CN201911039532A CN110723764A CN 110723764 A CN110723764 A CN 110723764A CN 201911039532 A CN201911039532 A CN 201911039532A CN 110723764 A CN110723764 A CN 110723764A
- Authority
- CN
- China
- Prior art keywords
- water
- pipe
- filter
- filtering
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to a box-type membrane element water purifier, which comprises a box body, wherein each filter cavity is connected with a water inlet pipe, a water outlet pipe and a pure water pipe; the filtering unit comprises a filtering layer and a flow guide layer, and the filtering layer can slide in a reciprocating manner in the left-right direction relative to the flow guide layer and the limiting plate; traction sheets are fixedly arranged on the surface of the filter layer, and cleaning strips are arranged between the adjacent traction sheets; the two drainage pipes are connected to the left and right cavity walls of the filter cavity, the drainage pipe on the left side of each cavity wall is communicated with one drainage main pipe, the drainage pipe on the right side of each cavity wall is communicated with the other drainage main pipe, a normally closed control valve is arranged in each drainage main pipe, and the two normally closed control valves are opened alternately; the water purifier has a novel and unique water purification structure, can effectively shorten the stroke of pure water, increase the filtering area and effectively improve the water outlet efficiency; meanwhile, the water purifier has a self-cleaning function, so that the filtering effect and the water outlet efficiency of the filter element are kept for a long time, and the replacement period of the filter element is prolonged.
Description
Technical Field
The invention relates to the field of water purification, in particular to a water purifier.
Background
With the progress of industry, the urbanization process develops at a high speed, but the environment where people live is seriously damaged, people live in the intelligent urban building and drink the polluted water, so that the water purifier is produced; the water purifier filters water under pressure through a plurality of filter elements with different filtering functions, forces large particle impurities, small particle pollutants and even bacterial microorganisms in the water to be separated from the water, and further separates pure purified water for people to drink; therefore, the filter element of the water purifier is a core element of the water purifier, and the quality of the filter element directly determines the effect of the water purifier; during specific work, the filter element isolates impurity particles in raw water outside the filter membrane, and pure water is collected into the pure water pipe through the diversion membrane; and the impurity concentration of the raw water outside the filter membrane is increased, and the formed waste water is discharged or recycled.
The common filter element in the current market adopts a spiral coil type, the filter element with the structure can be filled with more filter membranes, but pure water needs to flow along the spiral coil type diversion membrane for a longer stroke, so that the water outlet efficiency is lower, and the water pressure to be applied is larger; meanwhile, after the filter element is used for a period of time, the surface of the filter membrane is attached and blocked by impurity particles, the permeation efficiency of pure water is reduced at the moment, the water yield is reduced again, and the water pressure to be applied is increased again; therefore, the traditional filter element has better filtering effect, higher water outlet speed and more electricity saving use only when being installed; after using for a period of time, along with the filter core is adhered to by the foreign particle, the filter effect of filter core will be discounted greatly, the water outlet speed descends thereupon, the required water pressure of while work is crescent, the electric energy that consumes also crescent when using, the noise also increases thereupon.
Disclosure of Invention
Aiming at the problems, the invention provides a box-type membrane element water purifier, which has a novel and unique water purifying structure, can effectively shorten the stroke of pure water, increase the filtering area and effectively improve the water outlet efficiency; meanwhile, the water purifier has a self-cleaning function, so that the filtering effect and the water outlet efficiency of the filter element are kept for a long time, and the replacement period of the filter element is prolonged.
In order to solve the problems, the technical scheme adopted by the invention is as follows: the box-type membrane element water purifier comprises a box body, wherein the inner cavity of the box body is divided into mutually independent filter cavities by a separating sheet; each filter cavity is connected with a water inlet pipe, a water outlet pipe and a pure water pipe; the end part of the water inlet pipe is provided with a booster pump;
each filtering cavity is internally provided with a filtering unit, each filtering unit comprises a filtering layer and a flow guide layer, the flow guide layer is tightly attached to the partition plate, the filtering layer is tightly attached to the flow guide layer, the left side end and the right side end of the filtering layer are provided with limiting plates, and the limiting plates tightly attach the filtering layer and the flow guide layer to the partition plate; the filter layer can slide in a reciprocating manner in the left-right direction relative to the flow guide layer and the limiting plate;
a traction sheet is fixedly arranged on the surface of the filter layer, and faces the left cavity wall and the right cavity wall of the filter cavity; cleaning strips are arranged between adjacent traction sheets, the end parts of the cleaning strips are fixed on the cavity wall of the filter cavity, and the cleaning surfaces of the cleaning strips are tightly attached to the filter layer;
the flow guide layer is communicated with the pure water pipe;
the water inlet pipe is connected with the cavity wall at the bottom of the filter cavity,
the two drainage pipes are connected to the left and right cavity walls of the filter cavity, the drainage pipe on the left side of each cavity wall is communicated with one drainage main pipe, the drainage pipe on the right side of each cavity wall is communicated with the other drainage main pipe, a normally closed control valve is arranged in each drainage main pipe, the normally closed control valve is electrically connected with a controller, and the two normally closed control valves are alternately opened under the regulation and control of the controller.
The invention has the beneficial effects that: raw water is pressurized by a booster pump and then injected into each filter cavity from a water inlet pipe at high pressure, impurity particles in the raw water are blocked and separated by a filter layer, the filtered raw water directly penetrates through the filter layer and enters a flow guide layer, and pure water flows through the flow guide layer and directly enters a pure water pipe; in the process, the pure water can be quickly collected into the pure water pipe only by carrying out a short stroke on the diversion layer, so that the water outlet effect is quick.
Discharging the residual waste water after filtering from a main drainage pipe; under the regulation and control of the controller, the two normally closed control valves are alternately opened, when the left drainage main pipe is communicated, the wastewater in the filter cavity flows from right to left, the flowing wastewater flushes the traction plate, the filter layer is driven to slide from right to left, the surface of the filter layer and the cleaning strips are relatively rubbed in the sliding process, then large-particle impurities attached to the surface of the filter layer are scraped, and the movable impurities after being scraped flow out of the drainage main pipe along with the wastewater; the surface of the filter layer is recovered to be clean at the moment, and the filtering capacity of the filter layer is refreshed; when the drainage main pipe on the right side is conducted, the wastewater flows from left to right, so that the filter layer slides from left to right, and the surface of the filter layer is cleaned again.
In the process that the normally closed control valve is opened alternately, the filter layer is cleaned periodically, the surface can be kept clean and transparent for a long time, and pure water can permeate efficiently, so that the water outlet speed can be kept for a long time; because the surface of the filter layer is clean and is not blocked by more impurities, the working water pressure cannot rise due to prolonged service time, thereby ensuring the stable and energy-saving work of the water purifier and generating less noise.
Compared with the traditional water purifier structure, the box-type membrane element water purifier adopts a unique arrangement mode, so that each filter layer can comprehensively and efficiently participate in the filtration of raw water, the raw water does not need to pass through multiple filter layers, the invalid filtration time is shortened, the filtration area can be increased, and the water outlet speed and the filtration effect are effectively improved.
Preferably, the number of the box bodies is not less than 2, and the filtering capacities of the filtering layers in different box bodies are different; the adjacent box bodies are mutually connected in series, and the pure water pipe of the former box body is connected with the water inlet pipe of the latter box body; the structure can realize the multi-stage purification treatment of the water body, thereby realizing the water with higher cleanliness.
Preferably, the two main drainage pipes on each box body are connected to different water using pipes; the main drainage pipe corresponding to the box body with low filtering capability of the filtering layer is connected with a water pipe for mopping and cleaning, the main drainage pipe corresponding to the box body with high filtering capability of the filtering layer is connected with a water pipe for washing clothes and bathing, and the main drainage pipe corresponding to the box body with high filtering capability of the filtering layer is connected with a water pipe for cleaning vegetables and fruits and cooking; the structure can realize multi-level water use, and obtain the most appropriate water quality resource according to different water use ways.
Preferably, a water-absorbing expansion sheet is arranged between the flow guide layer and the separation sheet; the water-absorbing expansion sheet does not absorb water during assembly, is thin in thickness and can be conveniently assembled and packaged during industrial production; in the use process, the water-absorbing expansion sheet absorbs water and becomes thick, the flow guide layer and the filter layer are pressed to the limiting plate, and the limiting plate, the filter layer, the flow guide layer and the separation sheet are relatively pressed; thereby improving the filtering effect.
Drawings
Fig. 1 is a side view schematically showing the structure of one embodiment of the present cassette membrane element water purifier.
Fig. 2 is a schematic top view of the left side drain main in the embodiment of fig. 1.
Fig. 3 is a schematic top view of the embodiment shown in fig. 1 when the right main drain pipe is connected.
Detailed Description
Examples
In the embodiment shown in fig. 1 to 3, the cartridge type membrane element water purifier comprises a cartridge body 1, wherein the inner cavity of the cartridge body 1 is divided into filter cavities 12 which are independent of each other by a separation sheet 11; each filter cavity 12 is connected with a water inlet pipe 13, a water outlet pipe 14 and a pure water pipe 15; the end part of the water inlet pipe 13 is provided with a booster pump; the main parts are highlighted, and common structures such as a booster pump and the like are omitted;
each filtering cavity 12 is provided with a filtering unit, the filtering unit comprises a filtering layer 2 and a flow guide layer 3, the flow guide layer 3 is tightly attached to the separating sheet 11, and a water absorption expansion sheet 4 is arranged between the flow guide layer 3 and the separating sheet 11; the filter layer 2 is tightly attached to the flow guide layer 3, limiting plates 5 are arranged at the left side end and the right side end of the filter layer 2, and the limiting plates 5 tightly press the filter layer 2 and the flow guide layer 3 on the partition plate; the filter layer 2 can slide in a reciprocating manner in the left-right direction relative to the flow guide layer 3 and the limiting plate 5;
a traction sheet 6 is fixedly arranged on the surface of the filter layer 2, and the traction sheet 6 faces the left cavity wall and the right cavity wall of the filter cavity 12; cleaning strips 7 are arranged between adjacent traction sheets 6, the end parts of the cleaning strips 7 are fixed on the cavity wall of the filter cavity 12, and the cleaning surfaces of the cleaning strips 7 are tightly attached to the filter layer 2;
the flow guide layer 3 is communicated with the pure water pipe 15; the water inlet pipe 13 is connected with the cavity wall at the bottom of the filter cavity 12,
the two drainage pipes 14 are connected to the left and right chamber walls of the filtering chamber 12, the drainage pipe 14 on the left side of each chamber wall is communicated with one drainage main pipe 8, the drainage pipe 14 on the right side of each chamber wall is communicated with the other drainage main pipe 8, a normally closed control valve 81 is respectively arranged in each drainage main pipe 8, the normally closed control valve 81 is electrically connected with a controller, and the two normally closed control valves 81 are alternately opened under the regulation and control of the controller.
In this embodiment, the water-absorbent swelling sheet 4 does not absorb water and is thin in thickness during assembly, and can be conveniently assembled and packaged during industrial production; in the using process, the water absorption expansion sheet 4 absorbs water and becomes thick, the flow guide layer 3 and the filter layer 2 are pressed to the limiting plate 5, and the limiting plate 5, the filter layer 2, the flow guide layer 3 and the separation sheet 11 are relatively pressed; thereby improving the filtering effect.
Raw water is pressurized by a booster pump and then injected into each filter cavity 12 from a water inlet pipe 13 at high pressure, impurity particles in the raw water are blocked and separated by the filter layer 2, the filtered raw water directly penetrates through the filter layer 2 and enters the flow guide layer 3, and pure water flows through the flow guide layer 3 and directly enters the pure water pipe 15; in the process, the pure water can be quickly collected into the pure water pipe 15 only by carrying out a short stroke on the diversion layer 3, so that the water outlet effect is quick.
The residual waste water after filtration is discharged from a main drainage pipe 8; under the regulation and control of the controller, the two normally closed control valves 81 are alternately opened, when the left drainage main pipe 8 is communicated, wastewater in the filter cavity 12 flows from right to left, the flowing wastewater flushes the traction plate, the filter layer 2 is further driven to slide from right to left, the surface of the filter layer 2 and the cleaning strips 7 are relatively rubbed in the sliding process, then large-particle impurities attached to the surface of the filter layer 2 are scraped, and the scraped movable impurities flow out of the drainage main pipe 8 along with the wastewater; at the moment, the surface of the filter layer 2 is recovered to be clean, and the filtering capacity of the filter layer 2 is refreshed; when the drain main pipe 8 on the right side is conducted, the wastewater flows from left to right, so that the filter layer 2 is promoted to slide from left to right, and the surface of the filter layer 2 is cleaned again.
In the process that the normally closed control valve 81 is opened alternately, the filter layer 2 is cleaned periodically, the surface can be kept clean and transparent for a long time, and pure water can permeate efficiently, so that the water outlet speed can be kept for a long time; because the surface of the filter layer 2 is clean and is not blocked by more impurities, the working water pressure can not rise due to prolonged service time, thereby ensuring the stable and energy-saving work of the water purifier and simultaneously generating less noise.
Compared with the traditional water purifier structure, the box-type membrane element water purifier adopts a unique arrangement mode, so that each filter layer 2 can comprehensively and efficiently participate in the filtration of raw water, the raw water does not need to pass through the multiple filter layers 2, the invalid filtration time is shortened, the filtration area can be increased, and the water outlet speed and the filtration effect are effectively improved.
Besides the single box body 1 shown in the embodiment of the invention, a plurality of box bodies 1 can be selected and used in series; for example, the number of the box bodies 1 is not less than 2, and the filtering capacities of the filtering layers 2 in different box bodies 1 are different; the adjacent box bodies 1 are mutually connected in series, and the pure water pipe 15 of the previous box body 1 is connected with the water inlet pipe 13 of the next box body 1; the structure can carry out multi-stage filtration and purification on raw water, thereby improving the purification grade of the water body.
In addition, the two main drains 8 on each cartridge 1 can be connected to different water pipes; for example, the water discharged from the box body 1 with low filtering capability of the filter layer 2 only removes the scale energy impurities in the water, and the corresponding main water discharge pipe 8 is connected with the water pipes for mopping and cleaning; the water discharged by the box body 1 in the filtering capacity of the filtering layer 2 filters calcium and magnesium ions, the water quality is soft, and the corresponding main drainage pipe 8 is connected with water pipes for washing clothes and bathing, so that the clothes are softer and the bathing is more comfortable; the water discharged by the box body 1 with high filtering capacity of the filtering layer 2 drives off the peculiar smell in the water and filters certain large-size bacteria, the water quality is clean, and the corresponding main drainage pipe 8 is connected with a water pipe for cleaning vegetables and fruits and cooking and can be used for boiling water and cooking porridge; the structure can realize multi-level water use, obtain the most appropriate water quality resource according to different water use ways, and realize the comprehensive utilization of the water body.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. A box-type membrane element water purifier comprises a box body (1), wherein the inner cavity of the box body (1) is divided into mutually independent filter cavities (12) by a separation sheet (11); each filter cavity (12) is connected with a water inlet pipe (13), a water outlet pipe (14) and a pure water pipe (15); the end part of the water inlet pipe (13) is provided with a booster pump; the method is characterized in that: each filtering cavity (12) is internally provided with a filtering unit, each filtering unit comprises a filtering layer (2) and a flow guide layer (3), each flow guide layer (3) is tightly attached to the corresponding separating plate (11), each filtering layer (2) is tightly attached to the corresponding flow guide layer (3), limiting plates (5) are arranged at the left side end and the right side end of each filtering layer (2), and the filtering layers (2) and the flow guide layers (3) are tightly pressed on the corresponding separating plates by the aid of the limiting plates (5); the filter layer (2) can slide in a reciprocating manner in the left-right direction relative to the flow guide layer (3) and the limiting plate (5); a traction sheet (6) is fixedly arranged on the surface of the filter layer (2), and the traction sheet (6) faces the left cavity wall and the right cavity wall of the filter cavity (12); cleaning strips (7) are arranged between the adjacent traction sheets (6), the end parts of the cleaning strips (7) are fixed on the cavity wall of the filter cavity (12), and the cleaning surfaces of the cleaning strips (7) are tightly attached to the filter layer (2); the flow guide layer (3) is communicated with the pure water pipe (15); the utility model discloses a filter chamber, including filter chamber (12), inlet tube (13), two the chamber wall is connected in the chamber wall of filter chamber (12) about drain pipe (14), and left drain pipe (14) and a drain main (8) intercommunication in each chamber wall, drain pipe (14) and another drain main (8) intercommunication on each chamber wall right side set up a normally closed control valve (81) in each drain main (8) respectively, normally closed control valve (81) and a controller electric connection, two normally closed control valves (81) open in turn under the regulation and control of controller.
2. The cartridge type membrane element water purifier according to claim 1, wherein: the number of the box bodies (1) is not less than 2, and the filtering capabilities of the filtering layers (2) in different box bodies (1) are different; the adjacent box bodies (1) are connected in series, and the pure water pipe (15) of the previous box body (1) is connected with the water inlet pipe (13) of the next box body (1).
3. The cartridge type membrane element water purifier according to claim 2, wherein: two drainage main pipes (8) on each box body (1) are connected to different water using pipes; the drainage header pipe (8) corresponding to the box body (1) with low filtering capability of the filter layer (2) is connected with a water pipe for mopping and cleaning, the drainage header pipe (8) corresponding to the box body (1) with low filtering capability of the filter layer (2) is connected with a water pipe for washing clothes and bathing, and the drainage header pipe (8) corresponding to the box body (1) with high filtering capability of the filter layer (2) is connected with a water pipe for cleaning vegetables and fruits and cooking.
4. The cassette membrane element water purifier according to any one of claims 1 to 3, characterized in that: and a water absorption expansion sheet (4) is arranged between the flow guide layer (3) and the separation sheet (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911039532.5A CN110723764B (en) | 2019-10-29 | 2019-10-29 | Box-type film element water purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911039532.5A CN110723764B (en) | 2019-10-29 | 2019-10-29 | Box-type film element water purifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110723764A true CN110723764A (en) | 2020-01-24 |
| CN110723764B CN110723764B (en) | 2022-06-28 |
Family
ID=69223348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911039532.5A Active CN110723764B (en) | 2019-10-29 | 2019-10-29 | Box-type film element water purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110723764B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5080788A (en) * | 1990-08-24 | 1992-01-14 | Chen T H | Water filter with fluid actuated cleaner |
| JP2003144814A (en) * | 2001-11-13 | 2003-05-20 | Ngk Insulators Ltd | Method for washing floating filter medium |
| CN104891699A (en) * | 2015-06-16 | 2015-09-09 | 西南科技大学 | Water purifier with raw water utilization rate monitoring and filter element replacement alarming functions |
| CN105709599A (en) * | 2014-12-01 | 2016-06-29 | 佛山市顺德区美的饮水机制造有限公司 | Filter element, water purification device provided with filter element, and waste water discharge method of filter element |
| CN105999806A (en) * | 2016-06-29 | 2016-10-12 | 胡振强 | Easily cleaned filtering type water purifier |
| CN106638820A (en) * | 2016-11-04 | 2017-05-10 | 山东科技大学 | Device for removing grease dirt in drain pipe of kitchen |
| CN108815894A (en) * | 2018-05-30 | 2018-11-16 | 广东知识城运营服务有限公司 | A kind of self-cleaning sewage disposal device |
| CN109012206A (en) * | 2018-10-30 | 2018-12-18 | 杭州老板电器股份有限公司 | filter core and water purifier |
| CN109056968A (en) * | 2018-09-05 | 2018-12-21 | 沈炜 | Scale-deposit-preventing drainpipe |
| CN110115868A (en) * | 2019-05-15 | 2019-08-13 | 王拓 | A kind of valve body with filtering function |
| CN209481333U (en) * | 2019-01-23 | 2019-10-11 | 无锡辉平环保科技有限公司 | A kind of pure water equipment with filter residue clearing function |
-
2019
- 2019-10-29 CN CN201911039532.5A patent/CN110723764B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5080788A (en) * | 1990-08-24 | 1992-01-14 | Chen T H | Water filter with fluid actuated cleaner |
| JP2003144814A (en) * | 2001-11-13 | 2003-05-20 | Ngk Insulators Ltd | Method for washing floating filter medium |
| CN105709599A (en) * | 2014-12-01 | 2016-06-29 | 佛山市顺德区美的饮水机制造有限公司 | Filter element, water purification device provided with filter element, and waste water discharge method of filter element |
| CN104891699A (en) * | 2015-06-16 | 2015-09-09 | 西南科技大学 | Water purifier with raw water utilization rate monitoring and filter element replacement alarming functions |
| CN105999806A (en) * | 2016-06-29 | 2016-10-12 | 胡振强 | Easily cleaned filtering type water purifier |
| CN106638820A (en) * | 2016-11-04 | 2017-05-10 | 山东科技大学 | Device for removing grease dirt in drain pipe of kitchen |
| CN108815894A (en) * | 2018-05-30 | 2018-11-16 | 广东知识城运营服务有限公司 | A kind of self-cleaning sewage disposal device |
| CN109056968A (en) * | 2018-09-05 | 2018-12-21 | 沈炜 | Scale-deposit-preventing drainpipe |
| CN109012206A (en) * | 2018-10-30 | 2018-12-18 | 杭州老板电器股份有限公司 | filter core and water purifier |
| CN209481333U (en) * | 2019-01-23 | 2019-10-11 | 无锡辉平环保科技有限公司 | A kind of pure water equipment with filter residue clearing function |
| CN110115868A (en) * | 2019-05-15 | 2019-08-13 | 王拓 | A kind of valve body with filtering function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110723764B (en) | 2022-06-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104528982B (en) | Industrial wastewater treatment device and industrial wastewater treatment method | |
| CN110215834A (en) | Parallel connection water inlet single-stage disc-type filter | |
| CN207137521U (en) | A kind of sewage disposal device of precipitation and filtering integral | |
| CN219922333U (en) | Built-in filter screen structure of industrial water supply system | |
| CN110723764B (en) | Box-type film element water purifier | |
| CN203513392U (en) | Circular treatment device of papermaking white water | |
| CN211513690U (en) | Filtering device for water purifier | |
| CN107198900B (en) | Self-cleaning water purifier | |
| CN108264175A (en) | A kind of Domestic sewage treatment device | |
| CN210097075U (en) | Disc type self-cleaning filter | |
| CN2611493Y (en) | Automatic water treatment appts. of swiming pool | |
| CN101406808A (en) | Immersion type hyperfiltration membrane technique operated in the same diaphragm cell and various membrane units | |
| CN2920973Y (en) | Efficient full automatic water purifier | |
| CN103395949B (en) | Method for treating sewage by using artificial wetland | |
| CN201842695U (en) | Wastewater suspended substance filter system | |
| CN202366622U (en) | Sewage purification equipment | |
| CN211513634U (en) | Back flush structure of water purifier filter core | |
| CN2348908Y (en) | Pipeline type inner pressure microfilter device for water treatment | |
| CN202688126U (en) | Device for producing circulating cooling water through recycled water membrane method | |
| CN202643465U (en) | Household tap water purification device | |
| CN108654155B (en) | Active sand filter | |
| CN209161767U (en) | A kind of green building sewage-treatment plant | |
| CN111646653A (en) | Domestic sewage recycling method and system | |
| CN214233104U (en) | Boiler circulating water purifying device | |
| CN2920972Y (en) | Sewage purifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220608 Address after: 410000 building a, building B and basement 1241, Yashang building, No. 66, Zhongyi 1st Road, Yuhua District, Changsha City, Hunan Province Applicant after: Changsha wangte Environmental Protection Technology Co.,Ltd. Address before: Room 1306, building 50, Jinjun phase 2, Chengnan street, Wuzhong District, Suzhou City, Jiangsu Province Applicant before: Wang Liping |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |