CN113274794B - Filtering device of ammonia nitrogen treatment system in aquaculture wastewater - Google Patents
Filtering device of ammonia nitrogen treatment system in aquaculture wastewater Download PDFInfo
- Publication number
- CN113274794B CN113274794B CN202110630012.2A CN202110630012A CN113274794B CN 113274794 B CN113274794 B CN 113274794B CN 202110630012 A CN202110630012 A CN 202110630012A CN 113274794 B CN113274794 B CN 113274794B
- Authority
- CN
- China
- Prior art keywords
- filter screen
- transmission belt
- waste water
- waste
- belt mechanism
- 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.)
- Active
Links
- 239000002351 wastewater Substances 0.000 title claims abstract description 50
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 238000001914 filtration Methods 0.000 title claims abstract description 14
- 238000009360 aquaculture Methods 0.000 title claims abstract description 10
- 244000144974 aquaculture Species 0.000 title claims abstract description 10
- 239000002699 waste material Substances 0.000 claims abstract description 51
- 230000005540 biological transmission Effects 0.000 claims abstract description 50
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000009825 accumulation Methods 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 238000011144 upstream manufacturing Methods 0.000 abstract description 2
- 230000005484 gravity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010812 mixed waste Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
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
-
- 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
-
- 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
-
- 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
-
- 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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/004—Seals, connections
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention discloses a filtering device of an ammonia nitrogen treatment system in aquaculture wastewater, which comprises a feeding hopper and a filter screen, wherein the filter screen comprises an upper filter screen and a lower filter screen, a transmission belt mechanism is arranged in the feeding hopper, an upper transmission belt of the transmission belt mechanism is connected with the upper filter screen, and a lower transmission belt of the transmission belt mechanism is connected with the lower filter screen; one side of the feed hopper is provided with a waste outlet, the transmission belt mechanism is driven forward or backward, one layer of filter screen is always arranged in a channel of the waste water flowing through the feed hopper in the upper layer of filter screen and the lower layer of filter screen, the waste water passing through the filter screen is filtered, and the other layer of filter screen is used for dumping waste materials on the filter screen. The filtering device can be additionally arranged in a COD and ammonia nitrogen treatment system in the cultivation wastewater, is positioned at the upstream of the stirrer, and can also replace the stirrer so as to avoid the situation that a large amount of large-size waste materials are accumulated to cause machine shell blocking, and the situation that the feeding hopper is blocked or blocked due to the accumulation of the waste materials can be avoided.
Description
Technical Field
The invention relates to a treatment device for ammonia nitrogen in wastewater.
Background
The patent document with the application publication number of CN 111977902A discloses a COD and ammonia nitrogen treatment system in cultivation wastewater, which is stated according to the specification [0041] section: waste water and mixed waste generated by cultivation are poured into a feeding system from a feed hopper 1, the waste water and the waste materials flow downwards along a groove 101 under the action of gravity, a motor I103 drives a rotating shaft I105 to rotate in the process, and then a stirrer 106 is driven to rotate, and the stirrer 106 can break up and break up the waste materials in the rotating process so as to further reduce the pressure of subsequent treatment, so that the situation that a large amount of large-size waste materials are accumulated to cause machine clamping is avoided.
The probability of success is difficult to ensure if the agitator 106 breaks up all the waste in the wastewater.
Disclosure of Invention
The technical problems solved by the invention are as follows: a device for filtering waste materials in aquaculture wastewater is provided.
In order to solve the technical problems, the invention provides the following technical scheme: the filtering device of the ammonia nitrogen treatment system in the cultivation wastewater comprises a feeding hopper and a filter screen, wherein the filter screen comprises an upper filter screen and a lower filter screen, a transmission belt mechanism is arranged in the feeding hopper, an upper transmission belt of the transmission belt mechanism is connected with the upper filter screen, and a lower transmission belt of the transmission belt mechanism is connected with the lower filter screen; a waste outlet is formed in one side of the feed hopper, the transmission belt mechanism is used for forward transmission, the upper filter screen is positioned in a channel of wastewater flowing through the feed hopper, only one end of the lower filter screen is connected with the lower transmission belt, and the other end of the lower filter screen is inclined towards the waste outlet; the transmission belt mechanism drives reversely, the lower filter screen is positioned in a channel of wastewater flowing through the feeding hopper, only one end of the upper filter screen is connected with the upper transmission belt, and the other end of the upper filter screen is inclined towards the waste outlet.
The transmission belt mechanism is driven forward or backward, and one layer of filter screen is always arranged in a channel of wastewater flowing through the feed hopper in the upper layer of filter screen and the lower layer of filter screen to filter the wastewater passing through. When the upper filter screen is positioned in a channel of the wastewater flowing through the feed hopper, the lower filter screen dumps the filtered waste materials; the lower filter screen is in the path of the waste water flowing through the feed hopper, and the upper filter screen dumps the waste filtered out thereon. The upper filter screen and the lower filter screen are used for dumping waste materials on the same side of the feeding hopper.
The filtering device can be additionally arranged in a COD and ammonia nitrogen treatment system in the cultivation wastewater, is positioned at the upstream of the stirrer, and can also replace the stirrer so as to avoid the situation that a large amount of large-size waste materials are accumulated to cause machine shell blocking, and the situation that the feeding hopper is blocked or blocked due to the accumulation of the waste materials can be avoided.
Drawings
The invention is further described with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of a filtration device of an ammonia nitrogen treatment system in aquaculture wastewater, wherein a lower filter screen 30 is in a waste dumping state;
FIG. 2 is a schematic diagram of a filtration device of an ammonia nitrogen treatment system in aquaculture wastewater, wherein the upper screen 20 is in a waste dumping state;
FIG. 3 is a cross-sectional view taken along B-B in FIG. 1;
FIG. 4 is an enlarged view of FIG. 3 at A;
fig. 5 is a schematic view of a screen unit 21 in an upper screen 20;
fig. 6 is a left side view of fig. 5.
The symbols in the drawings illustrate:
10. a feed hopper; 11. a waste outlet; 12. the waste water flows through a channel of the feed hopper; 121. the left wall of the channel; 122. the right wall of the channel; 123. a front wall of the channel; 124. a rear wall of the channel; 125. a first relief groove; 126. a second relief groove; 127. a third relief groove; 128. a fourth relief groove; 14. a feed hopper housing; 15. a first rubber member;
20. an upper filter screen; 21. a filter screen unit; 22. a filter screen sheet; 23. a filter screen frame; 24. a slide block; 240. a first engagement groove; 25. a pin member; 26. a first limiting block;
30. a lower filter screen;
40. a belt mechanism; 401. a first belt mechanism; 402. a second belt mechanism; 41. an upper layer transmission belt; 42. a lower layer transmission belt; 43. a belt wheel;
50. a first guide rail; 500. a second guide rail; 51. a rail groove of the first rail; 52. a second limiting block;
60. a waste collection container.
Detailed Description
With reference to fig. 1 and 2, the filtering device of the ammonia nitrogen treatment system in the cultivation wastewater comprises a feeding hopper 10 and a filter screen, wherein the filter screen comprises an upper filter screen 20 and a lower filter screen 30, a driving belt mechanism 40 is arranged in the feeding hopper, an upper driving belt 41 of the driving belt mechanism is connected with the upper filter screen, and a lower driving belt 42 of the driving belt mechanism is connected with the lower filter screen; a waste outlet 11 is formed in one side of the feed hopper, the transmission belt mechanism is used for forward transmission, the upper filter screen is positioned in a channel 12 where waste water flows through the feed hopper, only one end of the lower filter screen is connected with the lower transmission belt, and the other end of the lower filter screen is inclined towards the waste outlet; the transmission belt mechanism drives reversely, the lower filter screen is positioned in a channel of wastewater flowing through the feeding hopper, only one end of the upper filter screen is connected with the upper transmission belt, and the other end of the upper filter screen is inclined towards the waste outlet.
As shown in fig. 3, the belt mechanism 40 includes a first belt mechanism 401 and a second belt mechanism 402 juxtaposed one behind the other, each including a pair of pulleys 43 and a belt fitted thereto. For convenience of description, an upper portion of any one of the belts is referred to as an upper belt 41, and a lower portion of any one of the belts is referred to as a lower belt 42. The upper screen 20 is connected between a pair of upper conveyor belts and the lower screen is connected between a pair of lower conveyor belts.
Referring to fig. 1 and 2, initially, an upper screen 20 is positioned in a channel 12 through which waste water flows through the hopper, filtering the waste water flowing therethrough, and a lower screen 30 is positioned on the side of the hopper 10 where the waste outlet 11 is provided. The upper filter screen accumulates waste materials to a certain extent, the waste materials need to be cleaned, an operator controls a motor of a driving belt mechanism, the driving belt mechanism 40 drives reversely, the lower filter screen 30 comes into a channel 12 of the waste water flowing through the feeding hopper, the upper filter screen 20 comes into one side of the feeding hopper, which is provided with the waste material outlet 11, only one end of the upper filter screen is connected with the upper driving belt for forward driving, the other end of the upper filter screen inclines towards the waste material outlet, and waste materials on the upper filter screen are poured out of the waste material outlet. The lower filter screen 30 accumulates waste to a certain extent, cleaning is needed, an operator controls a motor of a driving belt mechanism, the driving belt mechanism 40 drives forward, the upper filter screen 20 comes into a channel 12 where waste water flows through a feed hopper, the lower filter screen 30 comes into one side of the feed hopper where the waste outlet 11 is arranged, only one end of the lower filter screen is connected with the lower driving belt for reverse driving, the other end of the lower filter screen inclines towards the waste outlet, and waste on the lower filter screen is poured out of the waste outlet.
Referring to fig. 3 to 6, the upper filter screen 20 and the lower filter screen 30 each include a plurality of filter screen units 21 including a filter screen sheet 22, a filter screen frame 23 surrounding the filter screen sheet, sliders 24 fixedly connected to both left and right sides of the filter screen frame, pin members 25 provided on the sliders, the pin members being fitted in guide rail grooves of guide rails, the guide rails being installed in the feed hopper 10; the slide block of the upper layer filter screen is provided with a first meshing groove 240 which is meshed with the upper layer transmission belt 41, and the slide block of the lower layer filter screen is provided with a second meshing groove which is meshed with the lower layer transmission belt 42; the filter screen units of the upper filter screen are connected in series through steel sheets capable of being bent, and the filter screen units of the lower filter screen are connected in series through steel sheets.
Under the drive of the upper layer transmission belt 41, the sliding blocks of the upper layer filter screen 20 are positively and reversely displaced along the guide rail grooves of the guide rail, when the sliding blocks are moved to one side of the feed hopper, which is provided with the waste outlet 11, all filter screen units are connected in series through steel sheets capable of being bent, so that the filter screen units separated from the guide rail droop under the action of gravity, the filter screen units at only one end of the whole upper layer filter screen 20 are still matched with the guide rail, and are meshed with the upper layer transmission belt 41, other filter screen units are abutted against the end parts of the adjacent filter screen units and are pulled by the steel sheets to be downwards bent or inclined, but cannot be twisted, and waste on the filter screen units falls into the waste outlet 11.
The slider of the lower filter screen 30 is forwardly and reversely displaced along the guide rail groove of the guide rail by the lower belt 42. When it is moved to one side of the feeding hopper provided with the waste outlet 11, because all the filter screen units of the lower filter screen are connected in series through the steel sheet capable of being bent, the filter screen units separated from the guide rail sag under the action of gravity, the whole lower filter screen 30 is matched with the guide rail only at one end of the filter screen units, and the filter screen units are meshed with the lower transmission belt 42, so that the subsequent lower filter screen is convenient to displace in the opposite direction, the other filter screen units are propped against the end parts of the adjacent filter screen units and are pulled by the steel sheet, and waste on the filter screen units falls into the waste outlet 11. Below the waste outlet is a waste collection container 60, as shown in fig. 1 and 2.
Referring to fig. 1 and 2, a first stopper 26 is provided on a screen unit 21 at one end of the upper screen 20, and a second stopper 52 capable of abutting against the first stopper is provided on a first guide rail 50 engaged with the upper screen. When the upper filter screen dumps waste, only one filter screen unit at one end is matched with the first guide rail 50, and other filter screen units are separated from the first guide rail. If no first limiting block is propped against the second limiting block, the filter screen unit matched with the first guide rail is separated from the first guide rail, so that the first limiting block and the second limiting block are arranged. When the first limiting block and the second limiting block are propped against each other, the filter screen unit matched with the first guide rail is meshed with the upper layer transmission belt 41.
The filter screen unit at one end of the lower filter screen 30 is provided with a third limiting block, and a fourth limiting block which can be propped against the third limiting block is arranged on a second guide rail 500 matched with the lower filter screen. When the lower filter screen dumps waste, only one filter screen unit at one end is matched with the second guide rail 500, and other filter screen units are separated from the second guide rail. If no third limiting block is propped against the fourth limiting block, the filter screen unit matched with the second guide rail is separated from the second guide rail, so that the arrangement of the third limiting block and the fourth limiting block is necessary. When the third limiting block and the fourth limiting block are propped against each other, the filter screen unit matched with the second guide rail is meshed with the lower layer transmission belt 42, so that the lower layer filter screen can conveniently and reversely move along the second guide rail.
Referring to fig. 1 and 3, the cross section of the channel 12 of the wastewater flowing through the feed hopper is square, the channel comprises a left wall 121, a right wall 122, a front wall 123 and a rear wall 124, the front wall and the rear wall are provided with a first yielding groove 125 for left-right displacement of the upper layer filter screen, a second yielding groove 126 for left-right displacement of the lower layer filter screen, a third yielding groove 127 for left-right displacement of the upper layer filter screen and a fourth yielding groove 128 for left-right displacement of the lower layer filter screen; a belt mechanism 40 is disposed in the space between the channel and the hopper housing 14.
The first relief groove 125 is provided with a first rubber member 15 closely contacting the screen frame 23 of the upper screen 20, and the second relief groove 126 is provided with a second rubber member closely contacting the screen frame of the lower screen 30. Referring to fig. 4, the first rubber member and the second rubber member can block waste water in the passage 12 from entering the space between the passage and the hopper housing 14.
The third relief groove 127 is provided with a third rubber member capable of being in close contact with the upper filter screen and self-closing, and the fourth relief groove 128 is provided with a fourth rubber member capable of being in close contact with the lower filter screen and self-closing. When no upper filter screen passes through the third abdication groove, the upper structure and the lower structure of the third rubber part are closed together to play a role in sealing, so that the waste water in the channel 12 is prevented from entering the space between the channel and the feed hopper shell 14. When the upper filter screen 20 passes through the third abdication groove, the upper structure and the lower structure of the third rubber piece are forced to be opened and are in close contact with the upper filter screen, so that the sealing effect is also achieved. The structural design and function of the fourth rubber member are the same as those of the third rubber member.
The foregoing is merely illustrative of the preferred embodiments of the present invention, and modifications in detail will readily occur to those skilled in the art based on the teachings herein without departing from the spirit and scope of the invention.
Claims (4)
1. The utility model provides a filter equipment of ammonia nitrogen processing system in aquaculture waste water, includes feeder hopper (10) and filter screen, its characterized in that: the filter screen comprises an upper filter screen (20) and a lower filter screen (30), a transmission belt mechanism (40) is arranged in the feed hopper, an upper transmission belt (41) of the transmission belt mechanism is connected with the upper filter screen, and a lower transmission belt (42) of the transmission belt mechanism is connected with the lower filter screen; a waste outlet (11) is arranged on one side of the feed hopper, the transmission belt mechanism is used for forward transmission, the upper filter screen is positioned in a channel (12) where waste water flows through the feed hopper, only one end of the lower filter screen is connected with the lower transmission belt, and the other end of the lower filter screen is inclined towards the waste outlet; the transmission belt mechanism drives reversely, the lower filter screen is positioned in a channel of the wastewater flowing through the feeding hopper, only one end of the upper filter screen is connected with the upper transmission belt, and the other end of the upper filter screen is inclined to the wastewater outlet;
the transmission belt mechanism (40) is used for reversely transmitting, the lower filter screen (30) is used for leading the waste water to flow through the channel (12) of the feeding hopper, the upper filter screen (20) is used for leading the waste water to flow to one side of the feeding hopper where the waste water outlet (11) is arranged, only one end of the upper filter screen is connected with the upper transmission belt for forward transmission, the other end of the upper filter screen is inclined towards the waste water outlet, and the waste water on the upper filter screen is poured out of the waste water outlet;
the transmission belt mechanism (40) is used for forward transmission, the upper filter screen (20) is used for allowing waste water to flow through the channel (12) of the feeding hopper, the lower filter screen (30) is used for allowing waste water to flow through the side of the feeding hopper, which is provided with the waste outlet (11), only one end of the lower filter screen is connected with the lower transmission belt for reverse transmission, and the other end of the lower filter screen is inclined towards the waste outlet, so that waste water on the lower filter screen is poured out of the waste outlet;
the upper filter screen (20) and the lower filter screen (30) comprise a plurality of filter screen units (21), each filter screen unit comprises a filter screen piece (22), a filter screen frame (23) surrounding the filter screen piece, sliding blocks (24) fixedly connected with the left side and the right side of the filter screen frame, pin pieces (25) arranged on the sliding blocks, the pin pieces are matched in guide rail grooves of guide rails, and the guide rails are arranged in the feed hopper (10); the slide block of the upper layer filter screen is provided with a first meshing groove (240) which is meshed with the upper layer transmission belt (41), and the slide block of the lower layer filter screen is provided with a second meshing groove which is meshed with the lower layer transmission belt (42); the filter screen units of the upper filter screen are connected in series through steel sheets capable of being bent, and the filter screen units of the lower filter screen are connected in series through steel sheets capable of being bent.
2. The filtration device of an ammonia nitrogen treatment system in aquaculture wastewater according to claim 1, wherein: a first limiting block (26) is arranged on a filter screen unit (21) at one end of the upper filter screen (20), and a second limiting block (52) which can be propped against the first limiting block is arranged on a first guide rail (50) matched with the upper filter screen; the filter screen unit at one end of the lower filter screen (30) is provided with a third limiting block, and a fourth limiting block which can be propped against the third limiting block is arranged on a second guide rail (500) matched with the lower filter screen.
3. The filtration device of an ammonia nitrogen treatment system in aquaculture wastewater according to claim 1, wherein: the cross section of the channel (12) of the wastewater flowing through the feed hopper is square, the channel comprises a left wall (121), a right wall (122), a front wall (123) and a rear wall (124), the front wall and the rear wall are provided with a first yielding groove (125) for the left-right displacement of an upper layer filter screen, a second yielding groove (126) for the left-right displacement of a lower layer filter screen, a third yielding groove (127) for the left-right displacement of the upper layer filter screen, and a fourth yielding groove (128) for the left-right displacement of the lower layer filter screen; a belt mechanism (40) is disposed in the space between the passageway and the feed hopper housing (14).
4. A filtration device of an ammonia nitrogen treatment system in aquaculture wastewater according to claim 3, wherein: the first groove (125) of stepping down is equipped with first rubber spare (15) with filter screen frame (23) in close contact of upper filter screen (20), and second groove (126) of stepping down is equipped with the second rubber spare with filter screen frame in close contact of lower floor's filter screen (30), and third groove (127) of stepping down is equipped with the third rubber spare that can with upper filter screen in close contact and can the self-closing, and fourth groove (128) of stepping down is equipped with the fourth rubber spare that can with lower floor's filter screen in close contact and can the self-closing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110630012.2A CN113274794B (en) | 2021-06-07 | 2021-06-07 | Filtering device of ammonia nitrogen treatment system in aquaculture wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110630012.2A CN113274794B (en) | 2021-06-07 | 2021-06-07 | Filtering device of ammonia nitrogen treatment system in aquaculture wastewater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113274794A CN113274794A (en) | 2021-08-20 |
| CN113274794B true CN113274794B (en) | 2023-05-09 |
Family
ID=77283509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110630012.2A Active CN113274794B (en) | 2021-06-07 | 2021-06-07 | Filtering device of ammonia nitrogen treatment system in aquaculture wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113274794B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210751383U (en) * | 2019-08-02 | 2020-06-16 | 安徽省神草堂国药有限公司 | Filtering device for extracting medicinal and edible congeners |
| JP6807516B1 (en) * | 2019-11-26 | 2021-01-06 | 温州興升環保科技有限公司 | Cutting oil recovery device |
| CN212740974U (en) * | 2020-06-11 | 2021-03-19 | 天津汉博特科技有限公司 | Low-noise adsorption oxidation tank for chemical wastewater |
| CN213313700U (en) * | 2020-08-21 | 2021-06-01 | 武汉弘康本环保新材料有限公司 | Novel industrial wastewater treatment device |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2755034B1 (en) * | 1996-10-25 | 1998-12-04 | Atochem Elf Sa | DEVICE, INSTALLATION AND METHOD FOR FILTERING SLUDGE, ESPECIALLY SLURRY |
| CN102527134B (en) * | 2006-08-14 | 2014-12-10 | 伊沃夸水处理技术有限责任公司 | High flow disc filter |
| CN106219815A (en) * | 2016-08-24 | 2016-12-14 | 万畅 | A kind of plant high-concentration waste water high-efficient treatment device |
| CN106698726A (en) * | 2017-02-23 | 2017-05-24 | 成都言行果科技有限公司 | Comprehensive treatment coal-chemical industry wastewater treatment pool |
| CN107261634A (en) * | 2017-07-28 | 2017-10-20 | 长兴强能环保设备有限公司 | A kind of roll-type sewage sludge efficiently separates processing equipment |
| CN209322696U (en) * | 2018-12-14 | 2019-08-30 | 张家界常源牧业有限公司 | A kind of pig manure equipment for separating liquid from solid of the pig farm convenient for blanking |
| CN209791105U (en) * | 2019-01-25 | 2019-12-17 | 青岛浩源石墨有限公司 | Pulse dust collector |
| CN210507615U (en) * | 2019-08-28 | 2020-05-12 | 绍兴泽江环保科技有限公司 | Novel rainwater collection system |
| CN211470808U (en) * | 2019-09-24 | 2020-09-11 | 刘雪 | Effluent water sump impurity cleaning device for printing and dyeing |
| CN210766160U (en) * | 2019-10-10 | 2020-06-16 | 荆州市骏树纸业有限公司 | Impurity removing device of pulper |
| CN211070751U (en) * | 2019-10-17 | 2020-07-24 | 苏州天邦世纪汽车配件有限公司 | Waste collecting device for silicone oil clutch housing preparation |
| CN110882578A (en) * | 2019-12-06 | 2020-03-17 | 湘潭市汇丰设备制造有限公司 | Solid-liquid separation device for chemical materials |
| CN111151114A (en) * | 2020-02-18 | 2020-05-15 | 绍兴上虞宋润化学科技有限公司 | Can prevent smoke and dust desulfurization spray column of pipeline jam |
| CN111219811A (en) * | 2020-03-13 | 2020-06-02 | 珠海格力电器股份有限公司 | Filter screen self-cleaning mechanism and air conditioning equipment |
| CN212283090U (en) * | 2020-05-25 | 2021-01-05 | 苏州嘉沐安全环境科技有限公司 | Waste water filtering treatment device |
| CN212523155U (en) * | 2020-06-14 | 2021-02-12 | 青岛中恒能瑞华环保设备有限公司 | Waste residue treatment device of plate-and-frame filter press |
| CN112427817B (en) * | 2020-11-30 | 2022-04-05 | 常州安一智能科技有限公司 | Folding type filter screen cutting device and fixed-width cutting method of folding type filter screen |
-
2021
- 2021-06-07 CN CN202110630012.2A patent/CN113274794B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210751383U (en) * | 2019-08-02 | 2020-06-16 | 安徽省神草堂国药有限公司 | Filtering device for extracting medicinal and edible congeners |
| JP6807516B1 (en) * | 2019-11-26 | 2021-01-06 | 温州興升環保科技有限公司 | Cutting oil recovery device |
| CN212740974U (en) * | 2020-06-11 | 2021-03-19 | 天津汉博特科技有限公司 | Low-noise adsorption oxidation tank for chemical wastewater |
| CN213313700U (en) * | 2020-08-21 | 2021-06-01 | 武汉弘康本环保新材料有限公司 | Novel industrial wastewater treatment device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113274794A (en) | 2021-08-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210145658U (en) | Automatic sewage treatment integration equipment of blowdown | |
| EP0728512B1 (en) | Screen | |
| CN112960803A (en) | Sewage treatment plant for municipal works | |
| CN112717491B (en) | Mud suction and scraping machine for environmental protection engineering | |
| CN213669532U (en) | Waste treatment device for high-pressure pipeline | |
| CN113274794B (en) | Filtering device of ammonia nitrogen treatment system in aquaculture wastewater | |
| DE212004000078U1 (en) | Device for redirecting articles | |
| CN111777302A (en) | Municipal sludge extrusion type dewatering device | |
| CN101443140A (en) | Panel sorting method and panel sorting device | |
| CN211160767U (en) | Metal prescreening device | |
| CN112028373A (en) | Industrial wastewater treatment is with treater that has metal recovery mechanism | |
| CN205835917U (en) | A kind of material toggling structure of feeding device | |
| EP3450036B1 (en) | Container supply for a container-cleaning machine | |
| KR102243084B1 (en) | Dust removing machine | |
| CN212427416U (en) | Filter equipment for municipal administration water supply and drainage | |
| DE3822485A1 (en) | Filter unit for purifying cutting fluids | |
| CN219630784U (en) | Filter equipment for sewage treatment | |
| KR101887831B1 (en) | Stepwise filter equipped with structure of preventing contaminant sedimentation | |
| CN115403190A (en) | Industrial wastewater multi-stage treatment method | |
| CN209161520U (en) | A kind of mobile grid sewage-removing machine | |
| CN108620215A (en) | A kind of greenfeed grinding device repeatedly | |
| CN115193121B (en) | Waste water treatment and reclaimed water recycling equipment | |
| DE3906516A1 (en) | Process and apparatus for disposing of refrigerators for separating off chlorofluorocarbons | |
| CN117328415A (en) | Anti-blocking irrigation canal | |
| CN218053497U (en) | Multistage breaker of plastic woven sack raw materials |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |