CN107754418A - A kind of waste water control use device - Google Patents
A kind of waste water control use device Download PDFInfo
- Publication number
- CN107754418A CN107754418A CN201711220360.2A CN201711220360A CN107754418A CN 107754418 A CN107754418 A CN 107754418A CN 201711220360 A CN201711220360 A CN 201711220360A CN 107754418 A CN107754418 A CN 107754418A
- Authority
- CN
- China
- Prior art keywords
- filter layer
- filtering tank
- tank
- water
- cover
- 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
- 239000002351 wastewater Substances 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 238000001914 filtration Methods 0.000 claims abstract description 45
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000000746 purification Methods 0.000 claims abstract description 23
- 238000001179 sorption measurement Methods 0.000 claims abstract description 10
- 238000003780 insertion Methods 0.000 claims abstract description 9
- 230000037431 insertion Effects 0.000 claims abstract description 9
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 239000003610 charcoal Substances 0.000 claims 1
- 239000010865 sewage Substances 0.000 abstract description 9
- 230000000622 irritating effect Effects 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 abstract description 3
- 230000003670 easy-to-clean Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
- B01D29/603—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by flow measuring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a kind of waste water control use device, including filtering tank, cover is installed above the filtering tank, the side of the filtering tank, which is run through, is provided with suction pipe, the side of the filtering tank is provided with purification cassette close to suction pipe lower position, and the side of filtering tank is provided with controlling switch close to purification cassette lower position, the opposite side of the filtering tank is provided with settling tank, and the top insertion of the cover is provided with water inlet pipe.The present invention is scientific and reasonable for structure, and safe and convenient to use, there is provided flowmeter, it is easy to determine the treating capacity of sewage, there is provided water pump and rotary nozzle, is easy to clean the inwall of filtering tank, improves cleaning efficiency, there is provided pull bar, it is easy to take out each filter layer and is cleared up, ensures the filter efficiency of each filter layer, there is provided air blower and activated carbon adsorption layer, the irritative gas inside filtering tank can be removed, improves the environment inside filtering tank.
Description
Technical field
The present invention relates to field of sewage treatment, specially a kind of waste water control use device.
Background technology
With the progress and development of society, the mankind are continuously increased to the demand of water resource, and this also results in the production of sewage
Raw, sewage has very big harm to environment, needs to administer it before sewage effluent, prevent environmental degradation.
But waste water control use device in the market is not only complicated, and function is single, is not provided with flowing
Gauge, it is impossible to determine the treating capacity of sewage, be not provided with water pump and rotary nozzle, be not easy to carry out clearly the inwall of filtering tank
Wash, be not provided with pull bar, be not easy to take out each filter layer and cleared up, be not provided with air blower and activated carbon adsorption layer, no
The irritative gas inside filtering tank can be removed.
The content of the invention
The present invention provides a kind of waste water control use device, can effectively solve to propose to be not provided with above-mentioned background technology
Flowmeter, it is impossible to determine the treating capacity of sewage, be not provided with water pump and rotary nozzle, be not easy to carry out clearly the inwall of filtering tank
Wash, be not provided with pull bar, be not easy to take out each filter layer and cleared up, be not provided with air blower and activated carbon adsorption layer, no
The problem of irritative gas inside filtering tank can be removed.
To achieve the above object, the present invention provides following technical scheme：A kind of waste water control use device, including filtering
Tank, is provided with cover above the filtering tank, and the side of the filtering tank is through being provided with suction pipe, the side of the filtering tank
Purification cassette is installed close to suction pipe lower position, and the side of filtering tank is provided with control close to purification cassette lower position and opened
Close, the opposite side of the filtering tank is provided with settling tank, and the top insertion of the cover is provided with water inlet pipe, and the top of cover
Opening position insertion in water inlet pipe side is provided with rotary nozzle, pull bar is installed below the cover, the water inlet pipe
Side insertion is provided with flowmeter, water pipe is socketed with above the rotary nozzle, the outside of the pull bar is socketed with the first mistake
Filtering layer, the outside of the pull bar is provided with the second filter layer close to the first filter layer lower position, and the outside of pull bar is close
Second filter layer lower position is provided with the 3rd filter layer, and the inside of the purification cassette is provided with activated carbon adsorption layer, described
The inside of purification cassette is provided with dividing plate, and the inside of purification cassette orientation under dividing plate close to activated carbon adsorption layer lower position
The place of putting is provided with air blower, and ozone generator is provided with above the settling tank, and the side of settling tank is provided with filtered water tank,
The side of the filtered water tank is provided with outlet pipe, and the inside of filtered water tank is provided with water pump, the air blower and water pump with control
System switch is electrically connected with.
As a preferred technical solution of the present invention, the both ends of the cover are welded with location-plate, and cover is upper
Side is provided with handle.
As a preferred technical solution of the present invention, first filter layer, the second filter layer and the 3rd filter layer are equal
It is connected with pull bar by nut rotation, the mesh diameter of second filter layer is less than the mesh diameter of the first filter layer, described
The mesh diameter of 3rd filter layer is less than the mesh diameter of the second filter layer.
As a preferred technical solution of the present invention, the rotary nozzle is connected with water pipe by threads turn, and is revolved
The junction for turning shower nozzle and water pipe is provided with packing ring.
As a preferred technical solution of the present invention, the filtering tank and filtered water tank are connected with settling tank by pipeline
Connect, the inside of pipeline is provided with filter membrane.
As a preferred technical solution of the present invention, the inside of the dividing plate offers through hole.
Compared with prior art, beneficial effects of the present invention：
1st, the present invention is by that there is provided flowmeter, by being mounted with flowmeter on water inlet pipe, can detect sewage
Treating capacity, prevent that treating capacity is not up to standard.
2nd, the present invention is opened by the way that there is provided water pump and rotary nozzle, the water after purification is flowed into filtered water tank by control
Close to control pump working, the water inside filtered water tank pass through water pipe, is sprayed at rotary nozzle, and the inwall of filtering tank is carried out clearly
Wash, improve cleaning efficiency, reduce labor intensity.
3rd, the present invention is by there is provided pull bar, having twisted cover, the first filter layer, the second filter layer and the 3rd filter layer are with drawing
Bar is fixed together, and is pulled up simultaneously, facilitates and the first filter layer, the second filter layer and the 3rd filter layer change clearly
Reason, prevents clogging.
4th, the present invention is by controlling switch by there is provided air blower and activated carbon adsorption layer, controlling air blower to work,
Air blower produces suction, and the irritative gas inside filtering tank is extracted out, purification cassette is flow to by suction pipe, is tightly held by activated carbon
Layer purification absorption is fallen, and eliminates the irritative gas inside filtering tank, improves the environment inside filtering tank.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
Apply example to be used to explain the present invention together, be not construed as limiting the invention.
In the accompanying drawings：
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the purification cassette structural representation of the present invention；
Label in figure：1st, filtering tank；2nd, cover；3rd, water inlet pipe；4th, flowmeter；5th, rotary nozzle；6th, water pipe；7th, purify
Box；8th, activated carbon adsorption layer；9th, dividing plate；10th, air blower；11st, suction pipe；12nd, controlling switch；13rd, pull bar；14th, the first filter layer；
15th, the second filter layer；16th, the 3rd filter layer；17th, settling tank；18th, ozone generator；19th, filtered water tank；20th, water pump；21st, water outlet
Pipe.
Embodiment
The preferred embodiments of the present invention are illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein preferred real
Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Embodiment：As shown in Figure 1-2, the present invention provides a kind of technical scheme, a kind of waste water control use device, including mistake
Filter tank 1, the top of filtering tank 1 are provided with cover 2, and through suction pipe 11 is provided with, the side of filtering tank 1 is leaned on for the side of filtering tank 1
The nearly lower position of suction pipe 11 is provided with purification cassette 7, and the side of filtering tank 1 is provided with control close to the lower position of purification cassette 7
System switch 12, the opposite side of filtering tank 1 are provided with settling tank 17, and the top of cover 2, which is embedded in, is provided with water inlet pipe 3, and cover 2
Top is provided with rotary nozzle 5 close to the side opening position insertion of water inlet pipe 3, and the lower section of cover 2 is provided with pull bar 13, water inlet pipe 3
Side insertion be provided with flowmeter 4, the top of rotary nozzle 5 is socketed with water pipe 6, and the outside of pull bar 13 is socketed with the first filtering
Layer 14, the outside of pull bar 13 is provided with the second filter layer 15, and the outside of pull bar 13 close to the lower position of the first filter layer 14
The 3rd filter layer 16 is installed close to the lower position of the second filter layer 15, the inside of purification cassette 7 is provided with activated carbon adsorption layer
8, the inside of purification cassette 7 is provided with dividing plate 9 close to the lower position of activated carbon adsorption layer 8, and the inside of purification cassette 7 is close to dividing plate
9 lower positions are provided with air blower 10, and the top of settling tank 17 is provided with ozone generator 18, and the side peace of settling tank 17
Equipped with filtered water tank 19, the side of filtered water tank 19 is provided with outlet pipe 21, and the inside of filtered water tank 19 is provided with water pump 20, air blower
10 and water pump 20 be electrically connected with controlling switch 12.
In order that cover 2 and the firm connection of filtering tank 1 are obtained, in the present embodiment, it is preferred that the both ends of cover 2 are welded with
Location-plate, and the top of cover 2 is provided with handle.
For the ease of the installation and removal of the first filter layer 14, the second filter layer 15 and the 3rd filter layer 16, the present embodiment
In, it is preferred that the first filter layer 14, the second filter layer 15 and the 3rd filter layer 16 are connected with pull bar 13 by nut rotation,
The mesh diameter of second filter layer 15 is less than the mesh diameter of the first filter layer 14, and the mesh diameter of the 3rd filter layer 16 is less than the
The mesh diameter of two filter layers 15.
For the ease of the installation of rotary nozzle 5 and water pipe 6, in the present embodiment, it is preferred that rotary nozzle 5 passes through with water pipe 6
Threads turn connects, and the junction of rotary nozzle 5 and water pipe 6 is provided with packing ring.
For the ease of the flowing of current, in the present embodiment, it is preferred that filtering tank 1 and filtered water tank 19 are logical with settling tank 17
Piping connects, and the inside of pipeline is provided with filter membrane.
Irritative gas is siphoned away for the ease of air blower 10, in the present embodiment, it is preferred that the inside of dividing plate 9 offers logical
Hole
The operation principle and process for using of the present invention：By installing flowmeter 4 on water inlet pipe 3, sewage can be detected
Treating capacity, air blower 10 is controlled to work by controlling switch 12, air blower 10 produces suction, by the stimulation inside filtering tank 1
Property gas extract out, flow to purification cassette 7 by suction pipe 11, be tightly held by activated carbon layer 8 purify absorption fall, discharge purify after gas
Body, the water after purification are flowed into filtered water tank 19, control water pump 20 to work by controlling switch 12, the water inside filtered water tank 19
By water pipe 6, sprayed at rotary nozzle 5, the inwall of filtering tank 1 cleaned, improves cleaning efficiency, has twisted cover 2,
First filter layer 14, the second filter layer 15 and the 3rd filter layer 16 are fixed together with pull bar 13, are pulled up, facilitated simultaneously
First filter layer 14, the second filter layer 15 and the 3rd filter layer 16 are changed, prevent clogging, structure of the present invention
Simply, it is easy to use, it is easy to taking-up filter layer to be cleared up, ensure that the filter efficiency of filter layer, can remove in filtering tank 1
The penetrating odor in portion.
Finally it should be noted that：The preferred embodiment of the present invention is the foregoing is only, is not intended to limit the invention, to the greatest extent
The present invention is described in detail with reference to the foregoing embodiments for pipe, and for those skilled in the art, it still can be with
Technical scheme described in foregoing embodiments is modified, or equivalent substitution is carried out to which part technical characteristic.It is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements made etc., it should be included in the guarantor of the present invention
Within the scope of shield.
Claims (6)
1. a kind of waste water control use device, including filtering tank (1), it is characterised in that：It is provided with above the filtering tank (1)
Cover (2), the side of the filtering tank (1) is through suction pipe (11) is provided with, and the side of the filtering tank (1) is close to suction pipe (11)
Lower position is provided with purification cassette (7), and the side of filtering tank (1) is provided with control close to purification cassette (7) lower position
Switch (12), the opposite side of the filtering tank (1) is provided with settling tank (17), the top insertion of the cover (2) be provided with into
Water pipe (3), and the top of cover (2) is provided with rotary nozzle (5), the cover close to the insertion of water inlet pipe (3) side opening position
(2) pull bar (13) is installed, the side insertion of the water inlet pipe (3) is provided with flowmeter (4), the rotary nozzle below
(5) water pipe (6) is socketed with above, the outside of the pull bar (13) is socketed with the first filter layer (14), the pull bar (13)
It is outside that the second filter layer (15) is installed close to the first filter layer (14) lower position, and the outside of pull bar (13) is close to second
Filter layer (15) lower position is provided with the 3rd filter layer (16), and the inside of the purification cassette (7) is provided with charcoal absorption
Layer (8), the inside of the purification cassette (7) is provided with dividing plate (9), and purification cassette close to activated carbon adsorption layer (8) lower position
(7) inside is provided with air blower (10) close to dividing plate (9) lower position, and ozone is provided with above the settling tank (17)
Generator (18), and the side of settling tank (17) is provided with filtered water tank (19), the side of the filtered water tank (19) is provided with water outlet
Manage (21), and the inside of filtered water tank (19) is provided with water pump (20), the air blower (10) and water pump (20) are and controlling switch
(12) it is electrically connected with.
A kind of 2. waste water control use device according to claim 1, it is characterised in that：The both ends of the cover (2) are equal
Location-plate is welded with, and handle is installed above cover (2).
A kind of 3. waste water control use device according to claim 1, it is characterised in that：First filter layer (14),
Second filter layer (15) and the 3rd filter layer (16) are connected with pull bar (13) by nut rotation, second filter layer (15)
Mesh diameter be less than the mesh diameter of the first filter layer (14), the mesh diameter of the 3rd filter layer (16) is less than the second mistake
The mesh diameter of filtering layer (15).
A kind of 4. waste water control use device according to claim 1, it is characterised in that：The rotary nozzle (5) and water
Pipe (6) is connected by threads turn, and the junction of rotary nozzle (5) and water pipe (6) is provided with packing ring.
A kind of 5. waste water control use device according to claim 1, it is characterised in that：The filtering tank (1) and clear water
Case (19) is connected with settling tank (17) by pipeline, and the inside of pipeline is provided with filter membrane.
A kind of 6. waste water control use device according to claim 1, it is characterised in that：Open the inside of the dividing plate (9)
Provided with through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711220360.2A CN107754418A (en) | 2017-11-29 | 2017-11-29 | A kind of waste water control use device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711220360.2A CN107754418A (en) | 2017-11-29 | 2017-11-29 | A kind of waste water control use device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107754418A true CN107754418A (en) | 2018-03-06 |
Family
ID=61276196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711220360.2A Pending CN107754418A (en) | 2017-11-29 | 2017-11-29 | A kind of waste water control use device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107754418A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108585315A (en) * | 2018-04-27 | 2018-09-28 | 沈珂羽 | A kind of effluent treatment plant |
| CN108722100A (en) * | 2018-06-14 | 2018-11-02 | 福建省粤华环保科技有限公司 | A kind of waste gas purification apparatus easy to use |
| CN108939679A (en) * | 2018-05-25 | 2018-12-07 | 湖北省联投生物科技股份有限公司 | A kind of effective filter of cystine preparation |
| CN110981057A (en) * | 2019-12-06 | 2020-04-10 | 广东水利电力职业技术学院（广东省水利电力技工学校） | Sewage adsorption device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1693237A (en) * | 2004-05-09 | 2005-11-09 | 吉林守信环境工程有限公司 | High oxidizing filtering system |
| CN201454181U (en) * | 2009-06-09 | 2010-05-12 | 蒿丽英 | Pipeline type water purifying device |
| CN101732748A (en) * | 2009-12-29 | 2010-06-16 | 上海现代建筑设计(集团)有限公司 | Deodorizing device |
| CN206666289U (en) * | 2017-04-14 | 2017-11-24 | 诸暨市天佑环保科技有限公司 | A kind of sanitary wastewater processing equipment |
| CN207755848U (en) * | 2017-11-29 | 2018-08-24 | 南宁伯豆环保科技有限责任公司 | A kind of waste water control use device |
-
2017
- 2017-11-29 CN CN201711220360.2A patent/CN107754418A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1693237A (en) * | 2004-05-09 | 2005-11-09 | 吉林守信环境工程有限公司 | High oxidizing filtering system |
| CN201454181U (en) * | 2009-06-09 | 2010-05-12 | 蒿丽英 | Pipeline type water purifying device |
| CN101732748A (en) * | 2009-12-29 | 2010-06-16 | 上海现代建筑设计(集团)有限公司 | Deodorizing device |
| CN206666289U (en) * | 2017-04-14 | 2017-11-24 | 诸暨市天佑环保科技有限公司 | A kind of sanitary wastewater processing equipment |
| CN207755848U (en) * | 2017-11-29 | 2018-08-24 | 南宁伯豆环保科技有限责任公司 | A kind of waste water control use device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108585315A (en) * | 2018-04-27 | 2018-09-28 | 沈珂羽 | A kind of effluent treatment plant |
| CN108939679A (en) * | 2018-05-25 | 2018-12-07 | 湖北省联投生物科技股份有限公司 | A kind of effective filter of cystine preparation |
| CN108722100A (en) * | 2018-06-14 | 2018-11-02 | 福建省粤华环保科技有限公司 | A kind of waste gas purification apparatus easy to use |
| CN110981057A (en) * | 2019-12-06 | 2020-04-10 | 广东水利电力职业技术学院（广东省水利电力技工学校） | Sewage adsorption device |
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| 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 |
Application publication date: 20180306 |
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| RJ01 | Rejection of invention patent application after publication |