CN110540311A - Orchard water storage, pollution discharge and oxygenation system - Google Patents
Orchard water storage, pollution discharge and oxygenation system Download PDFInfo
- Publication number
- CN110540311A CN110540311A CN201910913810.9A CN201910913810A CN110540311A CN 110540311 A CN110540311 A CN 110540311A CN 201910913810 A CN201910913810 A CN 201910913810A CN 110540311 A CN110540311 A CN 110540311A
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- China
- Prior art keywords
- pipe
- sewage
- orchard
- well
- water inlet
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 86
- 239000002420 orchard Substances 0.000 title claims abstract description 29
- 238000003860 storage Methods 0.000 title claims abstract description 28
- 238000006213 oxygenation reaction Methods 0.000 title description 8
- 239000010865 sewage Substances 0.000 claims abstract description 46
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 31
- 239000001301 oxygen Substances 0.000 claims abstract description 31
- 239000002689 soil Substances 0.000 claims abstract description 8
- 238000003780 insertion Methods 0.000 claims abstract description 5
- 230000037431 insertion Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 7
- 230000009194 climbing Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 13
- 239000000243 solution Substances 0.000 description 9
- 238000005086 pumping Methods 0.000 description 6
- 238000007599 discharging Methods 0.000 description 5
- 241000251468 Actinopterygii Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000003973 irrigation Methods 0.000 description 3
- 230000002262 irrigation Effects 0.000 description 3
- 239000010802 sludge Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009372 pisciculture Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a water storage, pollution discharge and oxygen increase system for an orchard, which is used for being installed in a reservoir; comprises a pipe network component and a flow control component; the pipe network component comprises a plurality of connecting pipes and joints; the connecting pipes are communicated with each other through the connectors to form a tree-shaped or net-shaped structure which is paved at the bottom of the reservoir and is provided with a water inlet end; a plurality of sewage outlets are formed in the surface of the pipe body of the connecting pipe at equal intervals, and the non-connecting end of the connecting pipe is sealed and closed; the flow control assembly comprises a cylindrical well, a vertical pipe and a drainage pipe; the barrel well is of a barrel structure with an opening at the top, is embedded in a soil layer on the bank side of the reservoir, and has a top edge flush with the surface of the soil layer; the bottom end of the vertical pipe is in sealed insertion connection with the water inlet, and the top end of the vertical pipe is higher than the top edge of the cylindrical well; one end of the drain pipe is communicated with the bottom of the outer side wall of the cylindrical well, and the other end of the drain pipe is used for being connected with a water suction pump. The invention can effectively improve the pollution discharge and oxygen increase effects of the reservoir, and has simple control and convenient use.
Description
Technical Field
The invention relates to an interactive system of pond water utilization and agricultural irrigation, in particular to an orchard water storage, pollution discharge and oxygenation system.
Background
At present, the main method for discharging sewage and increasing oxygen of domestic orchard reservoirs is to arrange a sewage outlet at a certain opening. When water is added for oxygenation during sewage discharge, a sewage discharge valve is opened for sewage discharge. Many large-scale planting systems combine together the water of breeding fish and the agricultural irrigation of pond, can irrigate the moisture that has the fertility in the pond, and the effect is better.
However, no matter what irrigation method, the existing treatment system can only perform local sewage disposal on the reservoir or the fish pond, so that a large amount of sewage cannot be discharged from the bottom of the reservoir or the fish pond, and the actual required effect cannot be achieved.
therefore, how to provide an orchard water storage sewage drainage and oxygenation system with good sewage drainage and oxygenation effects and high efficiency is a problem which needs to be solved urgently by technical personnel in the field.
disclosure of Invention
In view of the above, the invention provides an orchard water storage, pollution discharge and oxygen increase system which can effectively improve the pollution discharge and oxygen increase effects of a reservoir and is simple to control and convenient to use.
In order to achieve the purpose, the invention adopts the following technical scheme:
A water storage, pollution discharge and oxygen increase system for an orchard is used for being installed inside a reservoir; the method comprises the following steps: a pipe network component and a flow control component;
The pipe network assembly comprises a plurality of connecting pipes and joints; the connecting pipes are communicated with each other through the joints and form a tree-shaped or net-shaped structure which is paved at the bottom of the reservoir and is provided with a water inlet end; a plurality of sewage outlets are formed in the surface of the pipe body of the connecting pipe at equal intervals, and the non-connecting end of the connecting pipe is sealed and closed;
The flow control assembly comprises a cylindrical well, a vertical pipe and a drainage pipe; the barrel well is of a barrel structure with an opening at the top, is buried in a soil layer on the bank side of the reservoir, and has a top edge flush with the surface of the soil layer, a water inlet is formed in the bottom of the barrel well, and the water inlet is communicated with a water inlet end of the connecting pipe; the bottom end of the vertical pipe is in sealed insertion connection with the water inlet, and the top end of the vertical pipe is higher than the top edge of the cylindrical well; one end of the drain pipe is communicated with the bottom of the outer side wall of the barrel well, and the other end of the drain pipe is used for being connected with a water suction pump.
Through the technical scheme, the tree-shaped or net-shaped net pipe structure laid at the bottom of the water storage tank is provided, the connecting pipe is provided with the sewage discharge outlet, the whole pumping and discharging of sludge at the bottom of the water storage tank can be realized through the net pipe structure distributed at the bottom of the water storage tank during water pumping, and the sewage discharge and oxygen increase effects can be effectively improved by matching with water addition and oxygen increase; meanwhile, the invention can realize the connection and disconnection with the drain pipe by controlling the opening and closing between the vertical pipe and the water inlet, and has simple operation and convenient use.
It should be noted that the reservoir referred to in the present invention is a conventional reservoir or a fishpond for fish farming.
preferably, in the above orchard water storage, sewage drainage and oxygen increasing system, the joint is a two-way joint, and/or a three-way joint, and/or a four-way joint. It should be noted that, in order to further improve the variability of connection, more than four-way joints may be used, which can improve the coverage area of the connected mesh tube structure and effectively improve the sewage discharge effect.
preferably, in the above orchard water storage, sewage discharge and oxygen increase system, the total opening area of all the sewage discharge outlets of the tree-shaped or net-shaped structure formed by the plurality of connecting pipes is equal to the cross-sectional area of the pipe orifices of the connecting pipes. Rivers in the time of can the effective control drainage guarantee that every drain homoenergetic can play the blowdown effect, and the blowdown effect is higher.
Preferably, in the water storage, sewage drainage and oxygen increasing system for an orchard, the distance between every two adjacent sewage drainage ports on the connecting pipe is 1m, and the diameter of each sewage drainage port is 20 mm. According to the sizes of different reservoirs, the distance and the caliber of the sewage draining outlet can be reasonably planned, so that the using effect of the sewage draining outlet can reach the best.
preferably, in the above orchard water storage, sewage discharge and oxygen increase system, the opening direction of the sewage discharge port is upward. The water pumping and sewage discharging effects of the sewage discharging port are better.
Preferably, in the above orchard water storage, pollution discharge and oxygen increase system, the flow control assembly further comprises a cover plate; the top of the cover plate is provided with a through hole and U-shaped handles symmetrically fixed on two sides of the through hole; the cover plate is buckled at the top of the cylindrical well, and the through hole penetrates through the vertical pipe in a matching mode. Carry out the closing cap through the apron to the cylindrical shaft top edge, reduce the potential safety hazard that the people fell into, the security is stronger.
Preferably, in the above water storage, sewage discharge and oxygen increase system for an orchard, the height of the barrel well is 4 m. According to the sizes of different reservoirs, the height of the cylindrical well can be reasonably planned, so that the using effect of the cylindrical well can be optimal.
preferably, in the above water storage, sewage discharge and oxygen increase system for an orchard, a ladder for climbing is arranged on the inner side wall of the barrel well. Can be convenient for the people get into the barrel-well bottom, clear up the filth that is difficult for the discharge, and be convenient for maintain the device trouble.
Preferably, in the above water storage, sewage discharge and oxygen increase system for an orchard, the barrel well is of a rectangular structure. The structural stability is stronger.
Preferably, in the above orchard water storage, sewage discharge and oxygen increase system, the water inlet end of the connecting pipe is communicated with the water inlet through an L-shaped elbow pipe. The structural stability of the connection is improved.
According to the technical scheme, compared with the prior art, the water storage, pollution discharge and oxygen increasing system for the orchard has the following beneficial effects that:
1. the invention provides a tree-shaped or net-shaped net pipe structure paved at the bottom of a reservoir, a drain outlet is arranged on a connecting pipe, the whole pumping and drainage of sludge at the bottom of the reservoir can be realized by the net pipe structure distributed at the bottom of the reservoir during water pumping, and the effects of pollution discharge and oxygen increase can be effectively improved by matching with water addition and oxygen increase.
2. The drainage of the blowdown and oxygenation system provided by the invention can be controlled by controlling the opening and closing between the vertical pipe and the water inlet, when the vertical pipe is in sealed insertion connection with the water inlet, no water exists in the cylindrical well, and when the vertical pipe is pulled out, water flow enters the cylindrical well from the water inlet, so that the communication with the drainage pipe can be realized, the operation and the control are simple, and the use is convenient.
3. Due to the arrangement of the cylindrical well and the vertical pipe, people can conveniently enter the bottom of the cylindrical well, dirt which is not easy to discharge is cleaned, and the device is convenient to maintain when in failure.
drawings
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure provided by the present invention;
FIG. 2 is a schematic diagram of a partial structure of a piping network assembly provided by the present invention;
FIG. 3 is a schematic structural view of a flow control assembly provided in accordance with the present invention;
FIG. 4 is a schematic view of the connection between the pipe network assembly and the flow control assembly provided by the present invention;
Fig. 5 is a schematic structural diagram of a cover provided by the present invention.
Wherein:
1-a pipe network component;
11-a connecting tube;
111-a sewage draining outlet;
12-a linker;
2-a flow control assembly;
21-a cylindrical well;
211-a water inlet;
212-a ladder;
22-a riser;
23-a drain pipe;
24-a cover plate;
241-a through hole;
242-U shaped handle;
3-L type bent pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
referring to the attached drawings 1 to 5, the embodiment of the invention discloses an orchard water storage, pollution discharge and oxygen increase system which is used for being installed inside a reservoir; the method comprises the following steps: the pipe network component 1 and the flow control component 2;
The pipe network assembly 1 comprises a plurality of connecting pipes 11 and joints 12; the connecting pipes 11 are mutually communicated through joints 12 and form a tree-shaped or net-shaped structure which is paved at the bottom of the reservoir and is provided with a water inlet end; a plurality of sewage outlets 111 are formed in the surface of the pipe body of the connecting pipe 11 at equal intervals, and the non-connecting end of the connecting pipe 11 is sealed and closed;
flow control assembly 2 includes a barrel well 21, a riser 22, and a drain 23; the barrel well 21 is of a barrel structure with an opening at the top, the barrel well 21 is embedded in a soil layer on the bank side of the reservoir, the top edge of the barrel well is flush with the surface of the soil layer, a water inlet 211 is formed in the bottom of the barrel well 21, and the water inlet 211 is communicated with a water inlet end of the connecting pipe 11; the bottom end of the stand pipe 22 is hermetically inserted with the water inlet 211, and the top end is higher than the top edge of the cylindrical well 21; one end of the drain pipe 23 is communicated with the bottom of the outer side wall of the barrel well 21, and the other end of the drain pipe is used for being connected with a water suction pump.
In order to further optimize the above technical solution, the joint 12 is a two-way joint, and/or a three-way joint, and/or a four-way joint.
In order to further optimize the above technical solution, the total opening area of all the sewage outlets 211 of the tree-shaped or net-shaped structure formed by the plurality of connecting pipes 11 is equal to the cross-sectional area of the pipe mouths of the connecting pipes 11.
In order to further optimize the technical scheme, the distance between two adjacent sewage outlets 211 on the connecting pipe 11 is 1m, and the diameter of each sewage outlet 211 is 20 mm.
In order to further optimize the technical scheme, the opening direction of the sewage discharging port 211 is upward.
in order to further optimize the above technical solution, the flow control assembly 2 further comprises a cover plate 24; the top of the cover plate 24 is provided with a through hole 241 and U-shaped handles 242 symmetrically fixed at two sides of the through hole 241; cover plate 24 is snapped on top of cartridge well 21 and through hole 241 fits through riser 22.
in order to further optimize the above solution, the height of the cylinder 21 is 4 m.
In order to further optimize the above solution, the inner side wall of the shaft 21 is provided with a ladder 212 for climbing.
In order to further optimize the above technical solution, the barrel well 21 is a rectangular structure.
in order to further optimize the above technical solution, the water inlet end of the connecting pipe 11 is communicated with the water inlet 211 through the L-shaped elbow 3.
The working principle of the invention is as follows:
when the water reservoir is full of water and the vertical pipe 22 is in sealed insertion connection with the water inlet 211, the water level in the vertical pipe 22 is the same as that of the water reservoir, the water discharge pipe 23 is communicated with the cavity of the barrel well 21, and people can enter the bottom of the barrel well 21 through the ladder 212 to clean and maintain the bottom of the barrel well 21 or the joint of the water inlet 211 and the water discharge pipe 23.
When needing to draw water, the operator pulls up stand pipe 22 at the top, and inside rivers got into barrel well 21, can take out water through the suction pump, at this moment, because connecting pipe 11 spreads all over the cistern bottom, and because the area of all drain 111 equals with the mouth of pipe area of connecting pipe 11, so every drain 111 homoenergetic draws water, can take out the filth of cistern bottom as far as possible clean, cooperates the water injection simultaneously and can carry out the oxygenation.
after the water pumping is finished, the vertical pipe 22 is inserted with the water inlet 211 in a sealing way again, and the water in the cylindrical well 21 is pumped to be dry.
The connecting pipes 11 of the invention are connected by inserting joints 12, and the non-connecting ends are blocked and closed by plugs.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A water storage, pollution discharge and oxygen increase system for an orchard is characterized by being used for being installed inside a reservoir; the method comprises the following steps: the system comprises a pipe network component (1) and a flow control component (2);
The pipe network assembly (1) comprises a plurality of connecting pipes (11) and joints (12); a plurality of connecting pipes (11) are communicated with each other through the joints (12) and form a tree-shaped or net-shaped structure which is paved at the bottom of the reservoir and is provided with a water inlet end; a plurality of sewage outlets (111) are formed in the surface of the pipe body of the connecting pipe (11) at equal intervals, and the non-connecting end of the connecting pipe (11) is sealed and closed;
The flow control assembly (2) comprises a cylindrical well (21), a vertical pipe (22) and a drainage pipe (23); the barrel well (21) is of a barrel structure with an opening at the top, the barrel well (21) is embedded in a soil layer on the bank side of the reservoir, the top edge of the barrel well is flush with the surface of the soil layer, a water inlet (211) is formed in the bottom of the barrel well (21), and the water inlet (211) is communicated with a water inlet end of the connecting pipe (11); the bottom end of the vertical pipe (22) is in sealed insertion connection with the water inlet (211), and the top end of the vertical pipe is higher than the top edge of the cylindrical well (21); one end of the drain pipe (23) is communicated with the bottom of the outer side wall of the cylindrical well (21), and the other end of the drain pipe is used for being connected with a water suction pump.
2. an orchard water storage, sewage and oxygen increasing system according to claim 1, characterised in that the joint (12) is a two-way joint, and/or a three-way joint, and/or a four-way joint.
3. An orchard water storage, sewage drainage and oxygen increasing system as claimed in claim 1, wherein the total opening area of all the sewage drainage ports (211) of a tree-shaped or net-shaped structure formed by a plurality of connecting pipes (11) is equal to the cross section area of the pipe openings of the connecting pipes (11).
4. An orchard water storage, sewage and oxygen increasing system according to any one of claims 1-3, characterized in that the distance between two adjacent sewage outlets (211) on the connecting pipe (11) is 1m, and the diameter of the sewage outlet (211) is 20 mm.
5. an orchard water storage, sewage and oxygen increasing system as claimed in claim 4, wherein the sewage outlet (211) is open upwards.
6. an orchard impoundment blowdown and oxygen enhancement system as claimed in claim 1 wherein said flow control assembly (2) further comprises a cover plate (24); the top of the cover plate (24) is provided with a through hole (241), and U-shaped handles (242) symmetrically fixed on two sides of the through hole (241) are arranged; the cover plate (24) is fastened on the top of the cylindrical well (21), and the through hole (241) is matched and penetrates through the riser (22).
7. An orchard water storage, sewage and oxygen increasing system according to claim 1, characterised in that the height of the barrel well (21) is 4 m.
8. an orchard impoundment blowdown and oxygen increase system as claimed in claim 1 wherein, the barrel well (21) has ladders (212) on its inside walls for climbing.
9. an orchard water impoundment, blowdown and oxygen increase system as claimed in any one of claims 1 to 3 or 5 to 8 wherein the barrel well (21) is of rectangular body configuration.
10. An orchard water storage, pollution discharge and oxygen increase system as claimed in claim 1, wherein the water inlet end of the connecting pipe (11) is communicated with the water inlet (211) through an L-shaped elbow (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910913810.9A CN110540311A (en) | 2019-09-25 | 2019-09-25 | Orchard water storage, pollution discharge and oxygenation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910913810.9A CN110540311A (en) | 2019-09-25 | 2019-09-25 | Orchard water storage, pollution discharge and oxygenation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110540311A true CN110540311A (en) | 2019-12-06 |
Family
ID=68714730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910913810.9A Pending CN110540311A (en) | 2019-09-25 | 2019-09-25 | Orchard water storage, pollution discharge and oxygenation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110540311A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0655006A (en) * | 1992-08-07 | 1994-03-01 | Mitsuhiro Takeda | Sludge collecting and discharging method and device therefor |
| CN105519485A (en) * | 2014-09-30 | 2016-04-27 | 英山县名德鱼苗孵化养殖有限公司 | Water-drainage and sewage-discharge system for pond culture |
| CN205444301U (en) * | 2016-01-04 | 2016-08-10 | 英山县名德鱼苗孵化养殖有限公司 | Drainage at bottom of pond |
| CN206219298U (en) * | 2016-09-30 | 2017-06-06 | 山东新思维环保工程有限公司 | A kind of aquaculture wastewater biofilter |
| CN206266308U (en) * | 2016-10-25 | 2017-06-20 | 长沙南方宇航环境工程有限公司 | Mud discharging device and reaction tank |
| CN207412951U (en) * | 2017-11-13 | 2018-05-29 | 宋艳 | A kind of water delivery device for hydraulic engineering |
| CN210764623U (en) * | 2019-09-25 | 2020-06-16 | 重庆市农业科学院 | Orchard water storage, pollution discharge and oxygenation system |
-
2019
- 2019-09-25 CN CN201910913810.9A patent/CN110540311A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0655006A (en) * | 1992-08-07 | 1994-03-01 | Mitsuhiro Takeda | Sludge collecting and discharging method and device therefor |
| CN105519485A (en) * | 2014-09-30 | 2016-04-27 | 英山县名德鱼苗孵化养殖有限公司 | Water-drainage and sewage-discharge system for pond culture |
| CN205444301U (en) * | 2016-01-04 | 2016-08-10 | 英山县名德鱼苗孵化养殖有限公司 | Drainage at bottom of pond |
| CN206219298U (en) * | 2016-09-30 | 2017-06-06 | 山东新思维环保工程有限公司 | A kind of aquaculture wastewater biofilter |
| CN206266308U (en) * | 2016-10-25 | 2017-06-20 | 长沙南方宇航环境工程有限公司 | Mud discharging device and reaction tank |
| CN207412951U (en) * | 2017-11-13 | 2018-05-29 | 宋艳 | A kind of water delivery device for hydraulic engineering |
| CN210764623U (en) * | 2019-09-25 | 2020-06-16 | 重庆市农业科学院 | Orchard water storage, pollution discharge and oxygenation system |
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