CN106995227A - A kind of Intelligent control film processing equipment - Google Patents
A kind of Intelligent control film processing equipment Download PDFInfo
- Publication number
- CN106995227A CN106995227A CN201710314433.8A CN201710314433A CN106995227A CN 106995227 A CN106995227 A CN 106995227A CN 201710314433 A CN201710314433 A CN 201710314433A CN 106995227 A CN106995227 A CN 106995227A
- Authority
- CN
- China
- Prior art keywords
- staving
- filter
- electric expansion
- semi
- pipe
- 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.)
- Pending
Links
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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/10—Testing of membranes or membrane apparatus; Detecting or repairing leaks
-
- 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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of Intelligent control film processing equipment, including staving, the lower surface edge of the staving is provided with leg, outlet pipe is provided with the middle part of the lower surface of the staving, the side of the outlet pipe is provided with magnetic valve, the interior lower end of staving is provided with electric expansion bar, the fixing end of electric expansion bar is fixedly connected with the interior lower end of staving, the telescopic end of electric expansion bar is provided with semi-transparent film filter, and the telescopic end of electric expansion bar is fixedly connected with the lower surface of ring-type fixing plate, the upper surface of staving is provided with bung, and staving and bung activity clamping, the upper surface middle part of bung is provided with three-way pipe, the side of three-way pipe is provided with three-way solenoid valve.The Intelligent control film processing equipment, it is simple in construction, water quality can be detected, be easy to the reflux and filter and purification filtering of sewage, and the weight of double of permeable membrane surface debris of energy is detected, prevents pellicle from damaging, and improves the rate of filtration, and it is simple to operate, it is easy to use.
Description
Technical field
The present invention relates to technical field of sewage, specially a kind of Intelligent control film processing equipment.
Background technology
Pellicle is to pass through the pellicle that special process is made with high polymer material, and it only allows hydrone to pass through, without
Solute is allowed to pass through, when making the raw water pressure in pellicle side more than osmotic pressure with high-pressure pump, the hydrone in raw water is just
Opposite side can be entered through pellicle, so as to obtain pure water.And inorganic salts, the heavy metal of the dissolving and non-dissolving in raw water
The materials such as ion, organic matter, thalline and colloid can not can only be stayed in condensed water and are let go, to sewage by pellicle
Further decontamination operation is often carried out to sewage with pellicle in reason purification process, but existing film process equipment is not
Detection filtering can be carried out to sewage, cause pellicle surface to adhere to many debris, cause pellicle to damage, filter efficiency is low,
In-convenience in use.
The content of the invention
The technical problem to be solved in the present invention is to overcome existing defect there is provided a kind of Intelligent control film processing equipment, is tied
Structure is simple, and water quality can be detected, is easy to the reflux and filter and purification filtering of sewage, and double of permeable membrane surface debris of energy
Weight is detected, prevents pellicle from damaging, and improves the rate of filtration, simple to operate, easy to use, can effectively solve background skill
The problem of in art.
To achieve the above object, the present invention provides following technical scheme：A kind of Intelligent control film processing equipment, including bucket
Body, the lower surface edge of the staving, which is provided with the middle part of leg, the lower surface of the staving, is provided with outlet pipe, the side of the outlet pipe
Face is provided with magnetic valve, and the interior lower end of the staving is provided with electric expansion bar, the fixing end of the electric expansion bar and staving
Interior lower end is fixedly connected, and the telescopic end of the electric expansion bar is provided with semi-transparent film filter, and electric expansion bar is flexible
End is fixedly connected with the lower surface of ring-type fixing plate, and the upper surface of the staving is provided with bung, and staving and bung activity clamping,
The upper surface middle part of the bung is provided with three-way pipe, and the side of the three-way pipe is provided with three-way solenoid valve, a left side for the three-way pipe
End pipe mouthful is provided with return duct, and the upper end mouth of pipe of the three-way pipe is provided with water tank, and the upper surface of the water tank is provided with water inlet pipe, described
The side of water tank is provided with the middle part of water quality testing meter, the side of the staving and is provided with PLC, the electric expansion bar, electromagnetism
Triple valve, water quality testing meter and magnetic valve are electrically connected with PLC, and the PLC is electrically connected with external power source.
As a preferred technical solution of the present invention, the semi-transparent film filter has two, and two pellicle mistakes
Filter device is fixedly connected by spring damper, and the upper surface of spring damper is consolidated with the annular of the semi-transparent film filter in upper end
Fixed board is fixedly connected, and the lower surface of spring damper is fixedly connected with the filter of the semi-transparent film filter in lower end, and lower end half
The filter upper surface of permeable membrane filter is provided with pressure sensor, and the pressure sensor is electrically connected with PLC.
As a preferred technical solution of the present invention, the semi-transparent film filter includes ring-type fixing plate, the ring
The upper surface of shape fixed plate is provided with filter, and the upper surface of the filter is provided with pellicle.
As a preferred technical solution of the present invention, the electric expansion bar has four, and four electric expansion bars exist
The inside of staving is distributed in a ring.
As a preferred technical solution of the present invention, the side upper end of the staving is provided with siren, the siren
Electrically connected with PLC.
Compared with prior art, the beneficial effects of the invention are as follows：This Intelligent control film processing equipment, can improve filtering effect
Rate, prevents pellicle from damaging and causing water pollution, at the same can the weight of double of permeable membrane surface debris detected, be easy to miscellaneous
Thing is cleared up in time；Play a part of to support pellicle, while can filter sewage by pellicle；Play support pellicle mistake
The effect of device is filtered, while being easy to adjust the height of semi-transparent film filter；Alarm function is played, is easy to timely double of permeable membrane surface
Debris cleared up；Whole equipment is simple in construction, and water quality can be detected, is easy to the reflux and filter of sewage and cleaned
Filter, and the weight of double of permeable membrane surface debris of energy is detected that prevent pellicle from damaging, the raising rate of filtration is simple to operate, makes
With conveniently.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
In figure：1 staving, 2 legs, 3 bungs, 4 electric expansion bars, 5 semi-transparent film filters, 51 ring-type fixing plates, 52 mistakes
Filter plate, 53 pellicles, 6 spring dampers, 7 pressure sensors, 8 PLCs, 9 three-way pipes, 91 three-way solenoid valves, 10 water
Case, 11 water inlet pipes, 12 water quality testing meters, 13 return ducts, 14 outlet pipes, 15 magnetic valves, 16 sirens.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Referring to Fig. 1, the present invention provides a kind of technical scheme：A kind of Intelligent control film processing equipment, including staving 1, bucket
The lower surface edge of body 1 is provided with leg 2, acts to support in the middle part of staving 1, the lower surface of staving 1 being provided with outlet pipe 14, is easy to
Water discharge after purification, the side of outlet pipe 14 is provided with magnetic valve 15, and the interior lower end of staving 1 is provided with electric expansion bar 4, electronic
The fixing end of expansion link 4 is fixedly connected with the interior lower end of staving 1, and the telescopic end of electric expansion bar 4 is filled provided with semi-transparent membrane filtration
5 are put, water is filtered, and the telescopic end of electric expansion bar 4 is fixedly connected with the lower surface of ring-type fixing plate 51, electric expansion
Bar 4 has four, and four electric expansion bars 4 are distributed in a ring in the inside of staving 1, plays the work of the semi-transparent film filter 5 of support
With while being easy to adjust the height of semi-transparent film filter 5, semi-transparent film filter 5 has two, and two semi-transparent membrane filtration dresses
5 are put to be fixedly connected by spring damper 6, and the upper surface of spring damper 6 is consolidated with the annular of the semi-transparent film filter 5 in upper end
Fixed board 51 is fixedly connected, and the lower surface of spring damper 6 is fixedly connected with the filter 52 of the semi-transparent film filter in lower end 5, and
The upper surface of filter 52 of the semi-transparent film filter 5 in lower end is provided with pressure sensor 7, pressure sensor 7 and the electricity of PLC 8
Connection, when the surface impurity of pellicle 53 of upper end is excessive, semi-transparent film filter 5, which is affected by gravity, to be moved down, the pellicle of upper end
Pressure sensor 7 is touched in the folding process of filter 5, then the control of PLC 8 siren 16 sounds, last double
Permeable membrane 53 is changed, and can improve filter efficiency, prevents pellicle 53 from damaging and causing water pollution, while can be to pellicle
The weight of 53 surface irregularities is detected, is easy to the timely cleaning of debris, semi-transparent film filter 5 includes ring-type fixing plate 51,
The upper surface of ring-type fixing plate 51 is provided with filter 52, and the upper surface of filter 52 is provided with pellicle 53,52 supports of filter
The effect of pellicle 53, prevents the unbalance stress of pellicle 53 from damaging, while can be filtered by pellicle 53 to sewage, bucket
The upper surface of body 1 is provided with bung 3, and staving 1 and the activity clamping of bung 3, and staving 1 is sealed, prevents dust from entering bucket
Inside body 1, the upper surface middle part of bung 3 is provided with three-way pipe 9, and the side of three-way pipe 9 is provided with three-way solenoid valve 91, three-way pipe 9
The left end mouth of pipe is provided with return duct 13, and the upper end mouth of pipe of three-way pipe 9 is provided with water tank 10, and the upper surface of water tank 10 is provided with water inlet pipe 11,
The side of water tank 10 is provided with water quality testing meter 12, the sewage after processing is transported to inside water tank 10 by water inlet pipe 11, water quality
Detector 12 detects to sewage, when detect water quality it is not up to standard when, sewage is passed through return duct by regulation three-way solenoid valve 91
13 discharges, then purified treatment is re-started, when water quality reaching standard, sewage is flowed into inside staving 1 by three-way pipe 9, staving 1
Side upper end is provided with siren 16, and siren 16 is electrically connected with PLC 8, plays alarm function, is easy in time to pellicle 53
The debris on surface is cleared up, and PLC 8, electric expansion bar 4, three-way solenoid valve 91, water are provided with the middle part of the side of staving 1
Quality detection instrument 12 and magnetic valve 15 are electrically connected with PLC 8, the control of PLC 8 electric expansion bar 4, pressure sensor
7th, the mode of three-way solenoid valve 91, water quality testing meter 12, magnetic valve 15 and siren 16 is method commonly used in the prior art,
PLC 8 is electrically connected with external power source, and whole equipment is simple in construction, and water quality can be detected, is easy to the backflow of sewage
Filtering and purification filtering, and the weight of the surface irregularities of pellicle 53 can be detected, prevent pellicle 53 from damaging, improve filtering
Speed, it is simple to operate, it is easy to use.
When in use：Electric expansion bar 4 is adjusted, electric expansion bar 4 promotes semi-transparent film filter 5 to appropriate location, will
Sewage after processing is transported to inside water tank 10 by water inlet pipe 11, and water quality testing meter 12 is detected to sewage, when detecting
When water quality is not up to standard, regulation three-way solenoid valve 91 discharges sewage by return duct 13, then re-starts purified treatment, works as water quality
When up to standard, sewage is flowed into inside staving 1 by three-way pipe 9, and pellicle 53 is filtered to water, hydrone is passed through pellicle
53, when the impurity of the surface attachment of pellicle 53 is excessive, spring damper 6 is extruded, while the semi-transparent film filter 5 of upper end
Touch pressure sensor 7, then PLC 8 control siren 16 sound, then pellicle 53 is changed, repeatedly with
Upper step.
The present invention can improve filter efficiency, prevent pellicle 53 from damaging and causing water pollution, while can be to pellicle
The weight of 53 surface irregularities is detected, is easy to the timely cleaning of debris；Play a part of to support pellicle 53, while can pass through
Pellicle 53 is filtered to sewage；Play the semi-transparent film filter 5 of support, while being easy to adjust semi-transparent film filter
5 height；Alarm function is played, is easy in time clear up the debris on the surface of pellicle 53；Whole equipment is simple in construction, can be with
Water quality is detected, is easy to the reflux and filter and purification filtering of sewage, and the weight of the surface irregularities of pellicle 53 can be carried out
Detection, prevents pellicle 53 from damaging, and improves the rate of filtration, simple to operate, easy to use.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of Intelligent control film processing equipment, including staving（1）, it is characterised in that：The staving（1）Lower surface edge set
There is leg（2）, the staving（1）Lower surface in the middle part of be provided with outlet pipe（14）, the outlet pipe（14）Side be provided with electromagnetism
Valve（15）, the staving（1）Interior lower end be provided with electric expansion bar（4）, the electric expansion bar（4）Fixing end and staving
（1）Interior lower end be fixedly connected, the electric expansion bar（4）Telescopic end be provided with semi-transparent film filter（5）, and electronic stretch
Contracting bar（4）Telescopic end and ring-type fixing plate（51）Lower surface be fixedly connected, the staving（1）Upper surface be provided with bung
（3）, and staving（1）With bung（3）Activity clamping, the bung（3）Upper surface middle part be provided with three-way pipe（9）, the threeway
Pipe（9）Side be provided with three-way solenoid valve（91）, the three-way pipe（9）The left end mouth of pipe be provided with return duct（13）, the threeway
Pipe（9）The upper end mouth of pipe be provided with water tank（10）, the water tank（10）Upper surface be provided with water inlet pipe（11）, the water tank（10）'s
Side is provided with water quality testing meter（12）, the staving（1）Side in the middle part of be provided with PLC（8）, the electric expansion bar
（4）, three-way solenoid valve（91）, water quality testing meter（12）And magnetic valve（15）And PLC（8）Electrical connection, the PLC controls
Device processed（8）Electrically connected with external power source.
2. a kind of Intelligent control film processing equipment according to claim 1, it is characterised in that：The semi-transparent film filter
（5）There are two, and two semi-transparent film filters（5）Pass through spring damper（6）It is fixedly connected, and spring damper（6）'s
Upper surface and the semi-transparent film filter in upper end（5）Ring-type fixing plate（51）It is fixedly connected, spring damper（6）Lower surface with
The semi-transparent film filter in lower end（5）Filter（52）It is fixedly connected, and the semi-transparent film filter in lower end（5）Filter（52）
Upper surface is provided with pressure sensor（7）, the pressure sensor（7）With PLC（8）Electrical connection.
3. a kind of Intelligent control film processing equipment according to claim 1, it is characterised in that：The semi-transparent film filter
（5）Including ring-type fixing plate（51）, the ring-type fixing plate（51）Upper surface be provided with filter（52）, the filter（52）
Upper surface be provided with pellicle（53）.
4. a kind of Intelligent control film processing equipment according to claim 1, it is characterised in that：The electric expansion bar（4）
There are four, and four electric expansion bars（4）In staving（1）Inside be distributed in a ring.
5. a kind of Intelligent control film processing equipment according to claim 1, it is characterised in that：The staving（1）Side
Upper end is provided with siren（16）, the siren（16）With PLC（8）Electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710314433.8A CN106995227A (en) | 2017-05-06 | 2017-05-06 | A kind of Intelligent control film processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710314433.8A CN106995227A (en) | 2017-05-06 | 2017-05-06 | A kind of Intelligent control film processing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106995227A true CN106995227A (en) | 2017-08-01 |
Family
ID=59435573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710314433.8A Pending CN106995227A (en) | 2017-05-06 | 2017-05-06 | A kind of Intelligent control film processing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106995227A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107583463A (en) * | 2017-10-23 | 2018-01-16 | 安徽金森源环保工程有限公司 | A kind of tower desulfuring and denitrifying apparatus and desulfurization denitration method |
| CN107648929A (en) * | 2017-09-30 | 2018-02-02 | 东莞安默琳机械制造技术有限公司 | Reclaim the filtration system of lubricating oil |
| CN112352608A (en) * | 2020-11-16 | 2021-02-12 | 河西学院 | Based on special intelligent irrigation device of green house |
| CN113526618A (en) * | 2021-08-25 | 2021-10-22 | 华北科技学院(中国煤矿安全技术培训中心) | Drinking water disinfection by-product purification device for water works |
| CN115124202A (en) * | 2022-08-14 | 2022-09-30 | 詹欣 | Water quality adjusting equipment in aquaculture |
| CN117589959A (en) * | 2024-01-18 | 2024-02-23 | 河南中溯检测科技有限公司 | Water quality detection system for construction engineering for water |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105601050A (en) * | 2016-03-17 | 2016-05-25 | 富阳鸿祥技术服务有限公司 | Biological fermentation-heavy metal sedimentation purifying method |
| CN205269220U (en) * | 2015-11-16 | 2016-06-01 | 徐海恩 | High efficiency equipment of purifying waste water |
| CN205473111U (en) * | 2015-12-31 | 2016-08-17 | 新疆万邦太信环境科技有限公司 | Medical wastewater processing apparatus |
| CN205590477U (en) * | 2016-03-19 | 2016-09-21 | 庄金阳 | Modified photocatalysis sewage treatment device |
| CN205933435U (en) * | 2016-08-16 | 2017-02-08 | 印江土家族苗族自治县宏杨食品有限公司 | A intelligent water purifier for food processing |
-
2017
- 2017-05-06 CN CN201710314433.8A patent/CN106995227A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205269220U (en) * | 2015-11-16 | 2016-06-01 | 徐海恩 | High efficiency equipment of purifying waste water |
| CN205473111U (en) * | 2015-12-31 | 2016-08-17 | 新疆万邦太信环境科技有限公司 | Medical wastewater processing apparatus |
| CN105601050A (en) * | 2016-03-17 | 2016-05-25 | 富阳鸿祥技术服务有限公司 | Biological fermentation-heavy metal sedimentation purifying method |
| CN205590477U (en) * | 2016-03-19 | 2016-09-21 | 庄金阳 | Modified photocatalysis sewage treatment device |
| CN205933435U (en) * | 2016-08-16 | 2017-02-08 | 印江土家族苗族自治县宏杨食品有限公司 | A intelligent water purifier for food processing |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107648929A (en) * | 2017-09-30 | 2018-02-02 | 东莞安默琳机械制造技术有限公司 | Reclaim the filtration system of lubricating oil |
| CN107583463A (en) * | 2017-10-23 | 2018-01-16 | 安徽金森源环保工程有限公司 | A kind of tower desulfuring and denitrifying apparatus and desulfurization denitration method |
| CN112352608A (en) * | 2020-11-16 | 2021-02-12 | 河西学院 | Based on special intelligent irrigation device of green house |
| CN113526618A (en) * | 2021-08-25 | 2021-10-22 | 华北科技学院(中国煤矿安全技术培训中心) | Drinking water disinfection by-product purification device for water works |
| CN113526618B (en) * | 2021-08-25 | 2022-06-17 | 华北科技学院(中国煤矿安全技术培训中心) | Drinking water disinfection by-product purification device for water works |
| CN115124202A (en) * | 2022-08-14 | 2022-09-30 | 詹欣 | Water quality adjusting equipment in aquaculture |
| CN115124202B (en) * | 2022-08-14 | 2024-05-07 | 张家界荣鑫农业发展有限公司 | Water quality adjusting device in aquaculture |
| CN117589959A (en) * | 2024-01-18 | 2024-02-23 | 河南中溯检测科技有限公司 | Water quality detection system for construction engineering for water |
| CN117589959B (en) * | 2024-01-18 | 2024-04-09 | 河南中溯检测科技有限公司 | Water quality detection system for construction engineering for water |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106995227A (en) | A kind of Intelligent control film processing equipment | |
| CN208049627U (en) | A kind of construction site adjustable gas purifying and dedusting equipment | |
| CN204111504U (en) | A kind of high-efficiency industrial wastewater treatment facility | |
| CN106946391A (en) | It is a kind of can fast filtering sewage sewage-treatment plant | |
| CN107596820A (en) | A kind of energy-conserving and environment-protective machinery universal exhaust gas processing unit | |
| CN206476861U (en) | A kind of effluent treatment plant | |
| CN206872586U (en) | A kind of sewage disposal carrier easy to remove | |
| CN203699947U (en) | Adjustable backwashing device for screen plate grids | |
| CN207227035U (en) | A kind of water purification machine rack | |
| CN206391667U (en) | A kind of central automatical control device for water treatment of CNC | |
| CN207726848U (en) | Slag removal and deodorization device for water inlet of sewage treatment equipment | |
| CN206783381U (en) | Suspended sludge filtering method effluent treatment plant | |
| CN205556343U (en) | High -efficient water pollution treatment equipment | |
| CN212523287U (en) | Novel multi-layer filtering type domestic sewage treatment device | |
| CN207829066U (en) | A kind of secondary dual-purpose supply equipment of high building | |
| CN208265958U (en) | A kind of municipal wastewater processing unit | |
| CN207485385U (en) | A kind of well washing system of the small-bore groundwater monitoring well in organic contamination place | |
| CN207585658U (en) | A kind of temperature, pressure, flow testing device for being used to detect purified water machine | |
| CN209630704U (en) | A kind of shunting well separator facilitating installation | |
| CN206817040U (en) | A kind of environment protection sewage pipeline adjusting means | |
| CN205886496U (en) | Waste gas colating processing apparatus | |
| CN207507161U (en) | A kind of pressure resistance filter | |
| CN206434934U (en) | A kind of copper powder filter | |
| CN205042224U (en) | Sewage draining device | |
| CN107487885A (en) | A kind of environment-friendly sewage processing unit |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170801 |