CN110152367A - Energy conservation and environmental protection sewage filter device in a kind of electricity generation system - Google Patents
Energy conservation and environmental protection sewage filter device in a kind of electricity generation system Download PDFInfo
- Publication number
- CN110152367A CN110152367A CN201910571801.6A CN201910571801A CN110152367A CN 110152367 A CN110152367 A CN 110152367A CN 201910571801 A CN201910571801 A CN 201910571801A CN 110152367 A CN110152367 A CN 110152367A
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- Prior art keywords
- filter
- filter box
- module
- generation system
- environmental protection
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- 239000010865 sewage Substances 0.000 title claims abstract description 30
- 230000005611 electricity Effects 0.000 title claims abstract description 20
- 238000004134 energy conservation Methods 0.000 title claims abstract description 16
- 230000007613 environmental effect Effects 0.000 title claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 28
- 238000001914 filtration Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 230000006698 induction Effects 0.000 claims description 23
- 230000037361 pathway Effects 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 230000001939 inductive effect Effects 0.000 claims description 6
- 238000010079 rubber tapping Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000002803 fossil fuel Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 241000220317 Rosa Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 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
- 239000003345 natural gas Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002351 wastewater Substances 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
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/90—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
Abstract
The invention discloses energy conservation and environmental protection sewage filter devices in a kind of electricity generation system, are related to filter plant technical field, mainly for needing filtration to stop and inefficiency when solving the problems, such as transmission filter device discharge residue；The filter device, including filter box and base plate, the filter box is cylinder type and filter box side wall is fixed on base plate by supporting frame, the filter box is internally provided with the swingle axis that axis therewith coincides, fixing sleeve is fixed on swingle axis, gear sealing plate and two filter plates are provided on the lateral wall of fixing sleeve, two equal palettes of filter plate avris surround two filter chambers with gear sealing plate, filter box inner wall respectively in filter box inner wall, two filter plates.The configuration of the present invention is simple can be filtered deslagging operation automatically and filter without stopping, convenient and efficient, can effectively prevent blockage problem, practicability is stronger.
Description
Technical field
The present invention relates to filter plant technical field, energy conservation and environmental protection sewage filter device in specifically a kind of electricity generation system.
Background technique
Power generation refers to water energy, the thermal energy of fossil fuel (coal, oil, natural gas), nuclear energy etc. using dynamic power device
Prime energy be converted to the production process of electric energy, to supply the need of each department of national economy Yu people's lives, generate electricity now
It the use of fossil fuel is still main forms of electricity generation.
And be filtered in power plant since waste water caused by generating electricity cannot be expelled directly out needs, the operation such as sulphur removal with
Sewage is avoided to influence environment, and during sewage water filtration, since the filter residue in sewage can remain on filter plate, need in time
Discharge filter residue results in blockage to avoid accumulation is more, and existing filter device needs first to stop sewage mistake when filter residue is discharged
Filter, is then discharged out filter residue, is finally carrying out sewage water filtration, is being more troublesome and influences the efficiency of filtering in this way.
Summary of the invention
The purpose of the present invention is to provide energy conservation and environmental protection sewage filter devices in a kind of electricity generation system, to solve transmission filtering
Device need filtration to stop when residue is discharged and the problem of inefficiency.
To achieve the above object, the invention provides the following technical scheme:
Energy conservation and environmental protection sewage filter device in a kind of electricity generation system, including filter box and base plate, the filter box are circle
Cylindrical structure and filter box side wall is fixed on base plate by supporting frame, the filter box upper side wall is provided with feed liquor
Channel, filter box side wall are provided with apocenosis passage, and the filter box is internally provided with the swingle that axis therewith coincides
Axis is fixed with fixing sleeve on swingle axis, and gear sealing plate and two filter plates, two mistakes are provided on the lateral wall of fixing sleeve
The equal palette of filter plate avris surrounds two with gear sealing plate, filter box inner wall respectively in filter box inner wall, two filter plates
Filter chamber；
There are two the filter box side wall settings using filter box vertical diameter as the slag-drip opening of symmetrical centre, two filter plates
It is provided with close to the avris of filter box inner wall positioned at its downside and is covered in the curved baffle on slag-drip opening, the swingle
One end of axis is stretched out filter box end wall and is connect with the servo motor output shaft being arranged on filter box end wall.
Based on the above technical solution, the present invention also provides following optional technical solutions:
In a kind of optinal plan: the feed pathway end is connected with catheter, and apocenosis passage bottom end, which is connected to, to be arranged the bottom of at
Tapping valve on seat board.
In a kind of optinal plan: the port radius is equal with gear sealing plate radical length, and gear sealing plate top margin side is set
It is equipped with rubber strip.
In a kind of optinal plan: the gear connection of the sealing plate top side towards feed pathway and filter box and feed pathway
Locate two avris and offers port.
In a kind of optinal plan: equal transmission gear in swingle shaft end portion and servo motor output shaft, two biographies
Moving gear is meshed.
In a kind of optinal plan: two angles between two filter plates and gear sealing plate are equal and are less than degree.
In a kind of optinal plan: two port avris walls are additionally provided with equal pressure inductor, two pressure sensitives
Device is electrically connected in parallel in the control panel being arranged on supporting frame, and the control panel is electrically connected at servo motor and controls
Servo motor work processed.
In a kind of optinal plan: the control panel includes that induction obtains module, opening and closing module, conversion module and time
Setting module, the induction obtain module to receive the signal transmitted after pressure inductor induction pressure；The opening and closing module
Opening and closing operation is carried out to servo motor according to induction acquisition module inductive signal obtained to connect, when induction obtains
When module inductive signal, induction obtains module and servo motor can be immediately controlled stops working carries out control servo after a period of time again
Electric motor starting work；The conversion module converts the direction of rotation of output shaft to control after servo motor starts every time；It is described
Central processing module is to plan as a whole control instruction of the modules with merging generation to servo motor.
In a kind of optinal plan: the control panel further includes time setting module, the time setting module to
Induction is set and obtains the time that module control servo motor stops driving work.
Compared to the prior art, beneficial effects of the present invention are as follows:
1, the present invention may make using two filter cavities that two filter plates and gear sealing plate and filter box inner wall surround in nothing
It need to stop being discharged in the case where sewage water filtration work, and then filter efficiency is higher and avoids blockage problem；
2 and using curved baffle can filtering when by slag-drip opening block avoid filtering through its discharge, improve the effect of filtering；
3, the configuration of the present invention is simple can be filtered deslagging operation automatically and filter without stopping, convenient and efficient, can effectively prevent
Blockage problem, practicability are stronger.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of end side in the present invention.
Fig. 3 is the mounting structure schematic diagram that sealing plate and filter plate are kept off in the present invention.
Fig. 4 is the structural schematic diagram of control panel in the present invention.
Appended drawing reference annotation: filter box 1, base plate 2, supporting frame 3, feed pathway 4, apocenosis passage 5, tapping valve 6,
Swingle axis 7, fixing sleeve 8, catheter 9, gear sealing plate 10, filter plate 11, port 12, pressure inductor 13, rubber strip 14, deslagging
Mouth 15, curved baffle 16, material collecting tank 17, control panel 18, servo motor 19, transmission gear 20, central processing module 21, induction
Obtain module 22, opening and closing module 23, conversion module 24, time setting module 25.
Specific embodiment
Following embodiment can be described in detail the present invention in conjunction with attached drawing, in attached drawing or explanation, similar or identical part
Using identical label, and in practical applications, shape, thickness or the height of each component can be expanded or shunk.Institute of the present invention
Each embodiment enumerated is only to illustrate the present invention, is not used to limit the scope of the present invention.It is made for the present invention any aobvious
And modification easy to know or change are without departure from spirit and scope of the invention.
Embodiment 1
Please refer to Fig. 1~3, in the embodiment of the present invention, energy conservation and environmental protection sewage filter device in a kind of electricity generation system, including Rose Box
Body 1 and base plate 2, the filter box 1 is cylinder type and 1 side wall of filter box passes through supporting frame 3 and is fixed on pedestal
On plate 2,1 upper side wall of filter box is provided with feed pathway 4, and 4 end of feed pathway is connected with catheter 9, filter box 1
Side wall is provided with apocenosis passage 5, and 5 bottom end of apocenosis passage is connected to the tapping valve 6 being arranged on base plate 2, the filter box 1
It is internally provided with the swingle axis 7 that axis therewith coincides, fixing sleeve 8, the lateral wall of fixing sleeve 8 are fixed on swingle axis 7
On be provided with gear sealing plate 10 and two filter plates 11, two equal palettes of 11 avris of filter plate in 1 inner wall of filter box,
Two filter plates 11 surround two filter chambers with gear sealing plate 10,1 inner wall of filter box respectively, 10 top side of the gear sealing plate direction into
Liquid channel 4 and filter box 1 and two avris of junction of feed pathway 4 offer port 12,12 radius of port and gear
10 radical length of sealing plate is equal, and there are two using 1 vertical diameter of filter box as symmetrical centre for 1 side wall of the filter box setting
Slag-drip opening 15, two filter plates 11 are provided with positioned at its downside close to the avris of 1 inner wall of filter box and are covered in slag-drip opening
1 end wall of filter box is stretched out and with setting in 1 end wall of filter box in curved baffle 16 on 15, one end of the swingle axis 7
On servo motor 19 export axis connection, specifically, equal driving cog on 7 end of swingle axis and 19 output shaft of servo motor
Wheel 20, two transmission gears 20 are meshed；
In use, driving swingle axis 7 to rotate first with servo motor 19, so that gear 10 end side of sealing plate turns to wherein
Inside a port 12, and one of filter chamber is not connected to feed pathway 4, and another filter chamber and feed pathway
4 connections, and then the sewage in electricity generation system enters 1 inside of filter box through catheter 9 and feed pathway 4 and flows in filter chamber
After the filtering of gear sealing plate 10, it is discharged through apocenosis passage 5 and tapping valve 6, it is miscellaneous due to filtering thereon after filtering one end time
Matter is excessive, using servo motor 19 swingle axis 7 is overturn herein, and gear 10 top of sealing plate is made to be placed on another port
Inside 12, so that the filter chamber full of filter residue is not connected to feed pathway 4, another is connected to feed pathway 4, thus sewage stream
It is filtered to another filter chamber, when swingle axis 7 rotates, filter plate 11 equally rotates and curved baffle 16 is made to open deslagging
Mouth 15 is kept away in time so that the filter residue in filter chamber is discharged through slag-drip opening 15, and then filter residue can be discharged when sewage water filtration carries out
Exempt to result in blockage and the filtration without stopping sewage, efficiency are higher.
Two angles between two filter plates 11 and gear sealing plate 10 are equal and less than 120 degree；It flows down to avoid in sewage
It is too fast and through just deslagging port flow out, the 10 top margin side of gear sealing plate be provided with rubber strip 14 with guarantee gear 10 avris of sealing plate
It is placed in port 12 and rubber strip 14 is against on 12 side wall of port and guarantees leakproofness；
It is also set up on the base plate 2 there are two material collecting tank 17 and two material collecting tanks 17 is located at the underface of supporting frame 3
In order to collect filter residue.
Embodiment 2
Please refer to Fig. 1 and 4, the embodiment of the present invention difference from example 1 is that: two 12 avris walls of port are also set
It is equipped with equal pressure inductor 13, two pressure inductors 13 are electrically connected in parallel in the control panel being arranged on supporting frame 3
18, the control panel 18 is electrically connected at servo motor 19 and controls the work of servo motor 19；
The control panel 18 includes that induction obtains module 22, opening and closing module 23, conversion module 24 and time setting module 25, institute
It states induction and obtains module 22 to receive the signal transmitted after 13 induction pressure of pressure inductor；The opening and closing module 23 is to even
It connects and obtains the inductive signal obtained of module 22 according to induction and opening and closing operation is carried out to servo motor 19, when induction obtains mould
When 22 inductive signal of block, induction, which obtains module 22 and servo motor 19 can be immediately controlled stops working, to be controlled again after a period of time
Servo motor 19 starts work；The conversion module 24 converts the rotation of output shaft to control after servo motor 19 starts every time
Direction；The central processing module 21 is to plan as a whole control instruction of the modules with merging generation to servo motor 19；Work as gear
When sealing plate 10 touches pressure inductor 13, the signal of induction is transmitted to induction and obtains module 22 by pressure inductor 13, then
Opening and closing module 23, which controls servo motor 19 and stops working, to be carried out control servo motor 19 after a period of time again and starts work and convert
Module 24 controls the reversion starting of servo motor 19, and then can be filtered operation automatically, operates without manual control, convenient fast
It is prompt；
The control panel 18 further includes time setting module 25, and the time setting module 25 obtains module induction is arranged
22 control servo motors 19 stop the time of driving work, with adapt to sewage containing filter residue not same amount, avoid containing filter because of sewage
The quantity of slag is very few and does not accumulate more trip on filter plate 11 and opens up with regard to frequent starting servo motor 19, causes the wave of electric power resource
Take, also avoid sewage contain filter residue amount it is excessive when, more filter residue can be comparatively fast accumulated on filter plate 11 without starting servo
Motor 19 results in blockage.
The above, the only specific embodiment of the disclosure, but the protection scope of the disclosure is not limited thereto, it is any
Those familiar with the art can easily think of the change or the replacement in the technical scope that the disclosure discloses, and should all contain
It covers within the protection scope of the disclosure.Therefore, the protection scope of the disclosure should be subject to the protection scope in claims.
Claims (9)
1. energy conservation and environmental protection sewage filter device in a kind of electricity generation system, including filter box (1) and base plate (2), the filtering
Cabinet (1) is cylinder type and filter box (1) side wall is fixed on base plate (2) by supporting frame (3), the filtering
Cabinet (1) upper side wall is provided with feed pathway (4), and filter box (1) side wall is provided with apocenosis passage (5), which is characterized in that institute
It states filter box (1) and is internally provided with the swingle axis (7) that axis therewith coincides, swingle axis is fixed with fixing sleeve on (7)
(8), gear sealing plate (10) and two filter plates (11), two filter plate (11) sides are provided on the lateral wall of fixing sleeve (8)
The equal palette in side in filter box (1) inner wall, two filter plates (11) respectively with gear sealing plate (10), filter box (1) inner wall
Surround two filter chambers；
There are two filter box (1) the side wall settings using filter box (1) vertical diameter as the slag-drip opening (15) of symmetrical centre,
Two filter plates (11) are provided with positioned at its downside close to the avris of filter box (1) inner wall and are covered on slag-drip opening (15)
Curved baffle (16), one end of the swingle axis (7) stretch out filter box (1) end wall and be arranged in filter box (1)
Servo motor (19) on end wall exports axis connection.
2. energy conservation and environmental protection sewage filter device in electricity generation system according to claim 1, which is characterized in that the feed liquor is logical
Road (4) end is connected with catheter (9), and apocenosis passage (5) bottom end is connected to the tapping valve (6) being arranged on base plate (2).
3. energy conservation and environmental protection sewage filter device in electricity generation system according to claim 1, which is characterized in that the port
(12) radius is equal with gear sealing plate (10) radical length, and gear sealing plate (10) the top margin side is provided with rubber strip (14).
4. energy conservation and environmental protection sewage filter device in electricity generation system according to claim 1, which is characterized in that the gear sealing plate
(10) two avris of junction of top side towards feed pathway (4) and filter box (1) and feed pathway (4) offers port
(12).
5. energy conservation and environmental protection sewage filter device in electricity generation system according to claim 4, which is characterized in that the swingle
Transmission gear (20), two transmission gears (20) are meshed on axis (7) end and servo motor (19) output shaft.
6. energy conservation and environmental protection sewage filter device in electricity generation system according to claim 3, which is characterized in that two filter plates
(11) two angles between gear sealing plate (10) are equal and less than 120 degree.
7. energy conservation and environmental protection sewage filter device in electricity generation system according to claim 3 or 4, which is characterized in that two institutes
It states port (12) avris wall to be additionally provided with equal pressure inductor (13), two pressure inductors (13) are electrically connected in parallel in setting
Control panel (18) on supporting frame (3), the control panel (18) are electrically connected at servo motor (19) and control and watch
Take motor (19) work.
8. energy conservation and environmental protection sewage filter device in electricity generation system according to claim 7, which is characterized in that the control plane
Plate (18) includes that induction obtains module (22), opening and closing module (23), conversion module (24) and time setting module (25), the sense
Module (22) should be obtained to receive the signal transmitted after pressure inductor (13) induction pressure；The opening and closing module (23) to
Connection obtains module (22) inductive signal obtained according to induction and carries out opening and closing operation to servo motor (19), works as induction
When obtaining module (22) inductive signal, induction acquisition module (22) can be immediately controlled servo motor (19) and stop working a period of time
Carry out control servo motor (19) starting work again afterwards；The conversion module (24) starts every time to control servo motor (19)
The direction of rotation of output shaft is converted afterwards；The central processing module (21) is electric to servo with generation is merged to plan as a whole modules
The control instruction of machine (19).
9. energy conservation and environmental protection sewage filter device in electricity generation system according to claim 8, which is characterized in that the control plane
Plate (18) further includes time setting module (25), and the time setting module (25) obtains module (22) control induction is arranged
Servo motor (19) stops the time of driving work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910571801.6A CN110152367B (en) | 2019-06-28 | 2019-06-28 | Energy-concerving and environment-protective sewage filter equipment among power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910571801.6A CN110152367B (en) | 2019-06-28 | 2019-06-28 | Energy-concerving and environment-protective sewage filter equipment among power generation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110152367A true CN110152367A (en) | 2019-08-23 |
| CN110152367B CN110152367B (en) | 2021-07-30 |
Family
ID=67636945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910571801.6A Active CN110152367B (en) | 2019-06-28 | 2019-06-28 | Energy-concerving and environment-protective sewage filter equipment among power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110152367B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111686490A (en) * | 2020-06-23 | 2020-09-22 | 夏春辉 | Self-cleaning formula grinds trigger copper powder recovery unit |
| CN113018943A (en) * | 2021-03-03 | 2021-06-25 | 魏福军 | Waste water filtration treatment device for non-woven fabric processing |
| CN113559596A (en) * | 2021-07-10 | 2021-10-29 | 胡满 | Sewage filtering device |
| CN114849303A (en) * | 2022-04-18 | 2022-08-05 | 中石化宁波工程有限公司 | Municipal administration plumbing sewage treatment device |
| CN116835814A (en) * | 2023-08-02 | 2023-10-03 | 深圳市海源生物科技有限公司 | Aquaculture water purification device |
| CN117164110A (en) * | 2023-11-03 | 2023-12-05 | 中国水产科学研究院黄海水产研究所 | Solid phase denitrification baffling reactor |
| CN117547877A (en) * | 2024-01-06 | 2024-02-13 | 文水大有实业有限公司 | Purification device is used in disinfectant production |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117164110A (en) * | 2023-11-03 | 2023-12-05 | 中国水产科学研究院黄海水产研究所 | Solid phase denitrification baffling reactor |
| CN117164110B (en) * | 2023-11-03 | 2024-02-02 | 中国水产科学研究院黄海水产研究所 | Solid phase denitrification baffling reactor |
| CN117547877A (en) * | 2024-01-06 | 2024-02-13 | 文水大有实业有限公司 | Purification device is used in disinfectant production |
| CN117547877B (en) * | 2024-01-06 | 2024-03-22 | 文水大有实业有限公司 | Purification device is used in disinfectant production |
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| CN110152367B (en) | 2021-07-30 |
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