CN110550728B - I-shaped circulation self-mixing water distribution device and water distribution reactor - Google Patents
I-shaped circulation self-mixing water distribution device and water distribution reactor Download PDFInfo
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- CN110550728B CN110550728B CN201910984539.8A CN201910984539A CN110550728B CN 110550728 B CN110550728 B CN 110550728B CN 201910984539 A CN201910984539 A CN 201910984539A CN 110550728 B CN110550728 B CN 110550728B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 379
- 239000010865 sewage Substances 0.000 abstract description 59
- 238000006460 hydrolysis reaction Methods 0.000 abstract description 18
- 230000008859 change Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 16
- 239000007788 liquid Substances 0.000 description 15
- 241000894006 Bacteria Species 0.000 description 8
- 230000007062 hydrolysis Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000003301 hydrolyzing effect Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000020477 pH reduction Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005842 biochemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
Abstract
The invention provides an I-shaped circulation self-mixing water distribution device and a water distribution reactor, wherein the water distribution device comprises a water inlet pipe, a multi-stage water distribution pipe and a plurality of water distribution heads, wherein: one end of the first-stage water distribution pipe is vertically communicated with the water inlet pipe, and each tail end of the last-stage water distribution pipe is connected with a water distribution head; one end of the intermediate-stage water distribution pipe is vertically communicated with one end of the upper-stage water distribution pipe, the other end of the intermediate-stage water distribution pipe is vertically communicated with one end of the lower-stage water distribution pipe, and the length of a pipeline between each water distribution head and the water inlet pipe is the same. In the water distribution device provided by the embodiment of the invention, the lengths of the pipelines from each water distribution head to the water inlet are the same, and the water distribution pipes of different levels are mutually and vertically communicated, so that the angle change amounts of the pipelines are the same, the energy loss of the sewage flow discharged by each water distribution head is the same, the sewage flow rate discharged by each water distribution head is the same, and therefore, sewage can uniformly enter the water distribution reactor, and the hydrolysis reaction efficiency is improved.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to an I-shaped circulation self-mixing water distribution device and a water distribution reactor.
Background
The hydrolysis sewage treatment method is a method which is intermediate between the aerobic and anaerobic sewage treatment methods, and other process combinations can reduce the treatment cost and improve the treatment efficiency. The hydrolysis refers to the biochemical reaction which is carried out outside the cells before the organic matters enter the microbial cells, namely, the process of hydrolyzing insoluble organic matters into soluble organic matters under the action of a large number of hydrolytic bacteria and acidizing bacteria and converting the macromolecular matters difficult to biodegrade into the micromolecular matters easy to biodegrade, thereby improving the biodegradability of the wastewater and laying a good foundation for subsequent treatment. Therefore, the sewage hydrolysis treatment method can be used as a pretreatment method before a biochemical treatment unit in domestic and industrial sewage treatment, and has been widely used.
In the traditional sewage hydrolysis treatment method, domestic and industrial sewage enters a hydrolysis acidification tank through a water distribution device and is quickly and uniformly mixed with liquid in the tank, so that insoluble organic matters and nondegradable organic matters in the sewage are fully contacted with hydrolytic bacteria and acidification bacteria in the hydrolysis acidification tank.
The existing water distribution device mainly adopts a one-pipe porous or one-pipe one-hole water distribution structure, namely, a plurality of water distribution holes or one water distribution hole is arranged on the wall of each water distribution pipe, and sewage can enter the water distribution reactor through the water distribution holes to be mixed with liquid in the water distribution reactor.
In the existing water distribution device, the lengths of pipelines from the water inlet to each water distribution hole are different, and the speeds of the sewage flowing out of the water distribution holes are different, so that the water distribution of the water distribution device is uneven, and the efficiency of hydrolysis reaction is further affected.
Disclosure of Invention
The embodiment of the invention aims to provide an I-shaped circulating self-mixing water distribution device and a water distribution reactor, so that liquid and sewage in the water distribution reactor are fully mixed, and the efficiency of hydrolysis reaction is improved.
The specific technical scheme is as follows:
In a first aspect, an embodiment of the present invention provides an i-shaped circulation self-mixing water distribution device, including a water inlet pipe, a multi-stage water distribution pipe, and a plurality of water distribution heads, wherein:
One end of the first-stage water distribution pipe is vertically communicated with the water inlet pipe, and each tail end of the last-stage water distribution pipe is connected with one water distribution head; one end of the intermediate water distribution pipe is vertically communicated with one end of the upper water distribution pipe, the other end of the intermediate water distribution pipe is vertically communicated with one end of the lower water distribution pipe, the length of a pipeline between each water distribution head and the water inlet pipe is the same, and the intermediate water distribution pipe is a water distribution pipe of a level except the first water distribution pipe and the last water distribution pipe.
Optionally, the first-stage water distribution pipe comprises two water distribution pipes, and the two water distribution pipes are horizontally connected.
Optionally, each water distribution pipe except the last water distribution pipe is vertically connected with two next water distribution pipes, and the two next water distribution pipes are horizontally connected; all water distribution pipes are positioned in the same horizontal plane.
Optionally, the lengths of the water distribution pipes at the same level are the same.
Optionally, the water distribution head includes circulation pipe cavity, connecting pipe, nozzle and water inlet, wherein:
The central position of the circulation pipe cavity is provided with the water inlet, the water inlet is communicated with the last stage of water distribution pipe, one end of the connecting pipe is communicated with the circulation pipe cavity along the tangential direction of the circulation pipe cavity, and the other end of the connecting pipe is communicated with the tail of the nozzle.
Optionally, the diameter of the connecting pipe is the same as the diameter of the tail part of the nozzle; the diameter of the tail of the nozzle is greater than the diameter of the head of the nozzle.
Optionally, the number of the connecting pipes is multiple, and the connecting positions of the connecting pipes and the circulation flow pipe cavity are arranged at equal distances on the outer edge of the circulation flow pipe cavity.
In a second aspect, the embodiment of the invention further provides a water distribution reactor, which comprises a water distributor, a reactor body and any water distribution device, wherein:
the water inlet pipe of the water distribution device is communicated with the water distributor;
The water distribution device is arranged at the bottom of the reactor body.
Optionally, the water distribution device is installed at the bottom of the reactor body through a support and hanger.
In the scheme provided by the embodiment of the invention, the water distribution device comprises a water inlet pipe, a multi-stage water distribution pipe and a plurality of water distribution heads, wherein: one end of the first-stage water distribution pipe is vertically communicated with the water inlet pipe, each tail end of the last-stage water distribution pipe is connected with a water distribution head, one end of the middle-stage water distribution pipe is vertically communicated with one end of the last-stage water distribution pipe, the other end of the middle-stage water distribution pipe is vertically communicated with one end of the next-stage water distribution pipe, the length of a pipeline between each water distribution head and the water inlet pipe is the same, and the middle-stage water distribution pipe is a water distribution pipe of a level except the first-stage water distribution pipe and the last-stage water distribution pipe. In the water distribution device provided by the embodiment of the invention, the lengths of the pipelines from each water distribution head to the water inlet pipe are the same, and the water distribution pipes of different levels are mutually and vertically communicated, so that the angle change amounts of the pipelines are the same, the energy loss of the sewage flow discharged by each water distribution head is the same, the sewage flow rate discharged by each water distribution head is the same, and therefore, sewage can uniformly enter the water distribution reactor, and the hydrolysis reaction efficiency is improved. Of course, it is not necessary for any one product or method of practicing the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an i-shaped circulation self-mixing water distribution device provided by an embodiment of the invention.
Fig. 2 is a schematic diagram of another structure of an i-shaped circulation self-mixing water distribution device according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a water distribution head according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a water distribution reactor according to an embodiment of the present invention.
The correspondence between the component names and the reference numerals in fig. 1 to 4 is:
A water distribution head 11, a first-stage water distribution pipe 12, a water inlet pipe 13, a last-stage water distribution pipe 14 and a middle-stage water distribution pipe 15; 23 a second-stage water distribution pipe; a 31 circulation pipe cavity, a 32 connecting pipe, a 33 nozzle and a 34 water inlet; 41 water distributor, 42 reactor body, 43 water distribution device.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order to uniformly mix sewage with liquid in a water distribution reactor and further improve the efficiency of hydrolysis reaction, the embodiment of the invention provides an I-shaped circulation self-mixing water distribution device and a water distribution reactor.
The I-shaped circulation self-mixing water distribution device provided by the embodiment of the invention is described below.
As shown in fig. 1, which is a plan view of a horizontal water distribution device, the embodiment of the invention provides an i-shaped circulation self-mixing water distribution device, which comprises a water inlet pipe 13, a multi-stage water distribution pipe and a plurality of water distribution heads 11, wherein:
One end of the first-stage water distribution pipe 12 is vertically communicated with the water inlet pipe 13, and each tail end of the last-stage water distribution pipe 14 is connected with one water distribution head 11; one end of the middle-stage water distribution pipe 15 is vertically communicated with one end of the upper-stage water distribution pipe, the other end of the middle-stage water distribution pipe 15 is vertically communicated with one end of the lower-stage water distribution pipe, the pipeline length between each water distribution head 11 and the water inlet pipe 13 is the same, and the middle-stage water distribution pipe 15 is a water distribution pipe of a level except the first-stage water distribution pipe 12 and the last-stage water distribution pipe 14.
Therefore, in the scheme provided by the embodiment of the invention, the water distribution device comprises a water inlet pipe, a multi-stage water distribution pipe and a plurality of water distribution heads, wherein: one end of the first-stage water distribution pipe is vertically communicated with the water inlet pipe, each tail end of the last-stage water distribution pipe is connected with a water distribution head, one end of the middle-stage water distribution pipe is vertically communicated with one end of the last-stage water distribution pipe, the other end of the middle-stage water distribution pipe is vertically communicated with one end of the next-stage water distribution pipe, the length of a pipeline between each water distribution head and the water inlet pipe is the same, and the middle-stage water distribution pipe is a water distribution pipe of a level except the first-stage water distribution pipe and the last-stage water distribution pipe. In the water distribution device provided by the embodiment of the invention, the lengths of the pipelines from each water distribution head to the water inlet pipe are the same, and the water distribution pipes of different levels are mutually and vertically communicated, so that the angle change amounts of the pipelines are the same, the energy loss of the sewage flow discharged by each water distribution head is the same, the sewage flow rate discharged by each water distribution head is the same, and therefore, sewage can uniformly enter the water distribution reactor, and the hydrolysis reaction efficiency is improved.
In the water distribution device, the water distribution pipe may be a circular pipe or a square pipe, and the material may be stainless steel, rubber, or other material coated with anticorrosive paint, and the like, and is not particularly limited herein.
In the water distribution device, the communication mode between the water distribution pipes of each stage and the connection mode between the water distribution pipes and the water distribution heads can be screw connection, can be welding connection, can be connection through connecting pieces such as a tee joint, and the like, and are not particularly limited.
When the water distribution device is used, the water distribution device can be placed at the bottom of the tank, and the water inlet pipe is connected with the water distributor, so that sewage in the water distributor can enter the water distribution device through the water inlet pipe and can be split by the multi-stage water distribution pipes, and the sewage flows out of the water distribution head of the water distribution device after flowing through the water distribution pipes of each stage, enters the water distribution reactor and is mixed with liquid in the reactor body, so that hydrolysis reaction is carried out.
In the water distribution device provided by the embodiment of the invention, in the first aspect, the lengths of the pipelines from each water distribution head to the water inlet pipe are completely the same, that is, the lengths of the paths of sewage flowing out of each water distribution head in the water distribution device are the same, so that the energy loss along the path in the flowing process of the sewage flowing out of each water distribution head in the water distribution device is the same. In the second aspect, the communicating mode between the water distribution pipes of each stage is vertical communication, so that the angle change amount of the pipeline passing through is equal, and the local energy loss of the sewage is the same at the communicating position of the water distribution pipe of each stage and the water distribution pipe of the next stage.
Therefore, the energy of the sewage flow finally delivered by each water distribution head of the water distribution device is the same, that is, the flow rate of the sewage flowing out through each water distribution head is the same. The water distribution device distributes water, and sewage flowing out through each water distribution head can be uniformly mixed with liquid in the water distribution reactor, so that the hydrolysis reaction efficiency is improved.
As an implementation manner of the embodiment of the present invention, referring to a plan view of the water distribution device shown in fig. 2 when it is horizontally placed, the water distribution device includes a water inlet pipe 13, a first stage water distribution pipe 12, a second stage water distribution pipe 23, and a water distribution head 11. Can be called as a 'rice-shaped' water distribution device.
In this embodiment, one end of each first-stage water distribution pipe is vertically communicated with the water inlet pipe, the first-stage water distribution pipes form a'm-shaped' structure, and meanwhile, the second-stage water distribution pipes connected with the other end of each first-stage water distribution pipe also form a'm-shaped' structure respectively. And, each water distribution pipe of same level can be the same length, and the angle between the adjacent water distribution pipes of same level can all be 60 degrees.
Thus, the lengths of the pipelines from each water distribution head to the water inlet are the same, and the angle change amounts from the first-stage water distribution pipe to the second-stage water distribution pipe are the same, so that the energy loss of sewage from the water inlet to each water distribution head is the same, that is, the flow rate of the sewage flowing out of each water distribution head is the same.
As an embodiment, referring to fig. 1, the first stage water distribution pipe 12 may include two water distribution pipes, which may be horizontally connected.
In order to ensure that the lengths of the pipes from each water distribution head to the water inlet are equal, the lengths and diameters of the two first-stage water inlet pipes can be equal, so that the energy loss of the sewage when flowing from the first-stage water inlet pipe into the second-stage water inlet pipe is the same.
In this embodiment, the sewage flowing into the water distribution device through the water inlet may be divided into two equal parts by the two first-stage water distribution pipes, that is, the amounts of sewage flowing into the two first-stage water distribution pipes are equal.
Referring to fig. 1, each of the water distribution pipes except for the last stage water distribution pipe 14 is vertically connected to two next stage water distribution pipes, and the two next stage water distribution pipes are horizontally connected; all water distribution pipes are positioned in the same horizontal plane.
Thus, according to the water flow direction, the water flow at the tail end of each water distribution pipe except the water distribution pipe at the last stage is equally divided into two parts to flow into two water distribution pipes at the next stage, and the water distribution pipes at different stages are vertically communicated, that is, the energy loss of the water flow passing through the connection point between the water distribution pipes at each different stage is the same, so that the energy of sewage in the water distribution pipes at the same stage is the same.
As an embodiment, the lengths of the water distribution pipes of the same level may be the same. Because the number and the grade of the water distribution pipes through which the sewage flows out of each water distribution port are the same, the lengths of the water distribution pipes of the same grade are the same, so that the lengths of the pipelines through which the sewage flows out of each water distribution port are the same, and the energy loss of the sewage flowing out of each water distribution port in the flowing process is the same.
The water distribution device may have a symmetrical structure, and each stage of water distribution pipe of the water distribution device may be symmetric about a central straight line of the first stage of water distribution pipe as a symmetry axis, and may be symmetric up and down about a straight line perpendicular to the central straight line as a symmetry axis, referring to a plan view of the water distribution device shown in fig. 1 and 2 when being placed horizontally.
Therefore, the water distribution device provided by the embodiment of the invention ensures that the energy loss of the sewage flowing out of each water distribution port in the water distribution device is the same, and the same flow velocity of the sewage flowing out of each water distribution port is realized, so that the uniform outflow of the sewage is ensured.
As an implementation manner of the embodiment of the present invention, referring to fig. 3, the water distribution head may include a circulation pipe chamber 31, a connection pipe 32, a nozzle 33, and a water inlet 34, wherein:
The water inlet 34 is arranged at the center of the circulation pipe cavity 31, the water inlet 34 is communicated with the last stage of water distribution pipe, one end of the connecting pipe 32 is communicated with the circulation pipe cavity 31 along the tangential direction of the circulation pipe cavity 31, and the other end of the connecting pipe 32 is communicated with the tail of the nozzle 33.
After flowing through the last stage of water distribution pipe, sewage can flow into the water distribution head through the water inlet, and can form a circular flow in the circular flow pipe cavity, then flows to the nozzle with gradually reduced diameter from the tail to the head through the connecting pipe, and flows out of the water distribution device through the nozzle.
Since sewage may form a circulation flow in the circulation pipe chamber, energy loss thereof is minimized when sewage flows out in a tangential direction of the circulation pipe chamber. Therefore, the connecting pipe can be communicated with the circulation pipe cavity along the tangential direction of the circulation pipe cavity so as to ensure that the water outlet rate of the nozzle reaches the maximum value.
In addition, through the structure, after the sewage flows out through the nozzle, the flow speed of an outlet can be improved, the blocking probability of the nozzle is reduced, and a local circulation can be formed around the water distribution head, so that the sewage and the liquid in the water distribution reactor can be more uniformly mixed.
Therefore, the water distribution device provided by the embodiment of the invention can be provided with the water distribution head which is the nozzle with the diameter gradually reduced from the tail to the head so as to improve the flow velocity of the discharged water, reduce the blocking probability of the nozzle, and form local circulation around the water distribution head, so that the sewage can be more uniformly mixed with the liquid in the water distribution reactor, and further the efficiency of hydrolysis reaction is improved.
As an embodiment, the diameter of the connection pipe 32 is the same as the diameter of the tail of the nozzle 33; the diameter of the tail of the nozzle 33 is larger than the diameter of the head of said nozzle 33.
In order to facilitate the disassembly and cleaning of the nozzle, in one embodiment, the connecting tube and the spray head can be connected through threads. The diameter of the connecting pipe can be the same as the diameter of the tail part of the nozzle for convenient connection, and the disassembly and the replacement are convenient.
The diameter of the head part of the nozzle is smaller than that of the tail part, so that the outflow rate of sewage can be improved, on one hand, the probability of blocking the nozzle is reduced, and on the other hand, the stirring of liquid in the water distribution reactor is enhanced, and further, the sewage and the liquid in the water distribution reactor can be more uniformly mixed.
As an embodiment, the number of the connection pipes 32 may be plural, and the connection positions of the connection pipes 32 and the circulation pipe chamber 31 may be arranged at equal distances along the outer edge of the circulation pipe chamber.
In order to uniformly mix the sewage around the water distribution head with the liquid in the water distribution reactor, a plurality of connecting pipes can be uniformly arranged at the outer edge of the circulation pipe cavity of the water distribution head, and the number of the connecting pipes can be 4 to 8. The connection pipes are communicated with the circulation pipe cavity along the tangential direction of the circulation pipe cavity, and the angle range between each connection pipe can be 45 degrees to 90 degrees.
Therefore, the connecting pipes are uniformly distributed on the outer edge of the circulation pipe cavity, so that sewage can uniformly flow out of the nozzles, the sewage flowing out of each nozzle of the water distribution head forms circulation around the water distribution head, the self-mixing effect is achieved, the sewage is uniformly mixed with liquid in the water distribution reactor, and the hydrolysis reaction efficiency is improved.
In still another embodiment of the present invention, as shown in fig. 4, there is further provided a water distribution reactor, which includes a water distributor 41, a reactor body 42, and the water distribution device 43, wherein:
the water inlet pipe of the water distribution device 43 is communicated with the water distributor 41;
the water distribution device 43 is installed at the bottom of the reactor body 42.
In the water distribution reactor, the water distributor and the water distribution device can be communicated through a water inlet pipe, the water distribution device can be arranged at the bottom of the reactor body, and the water distributor is arranged at a position higher than the water distribution device, so that sewage in the water distributor can flow into the water distribution device through the water inlet pipe and enter the reactor body through the water distribution device.
Since the liquid in the reactor body contains various hydrolytic bacteria and acidizing bacteria, the hydrolytic bacteria and the acidizing bacteria can hydrolyze insoluble and difficultly-degradable organic matters into soluble organic matters, so that sewage can be uniformly mixed with the liquid in the reactor body, and the hydrolysis efficiency is improved.
It can be seen that, in the solution provided by the embodiment of the present invention, the water distribution reactor includes a water distributor, a reactor body, a water inlet pipe and the water distribution device, wherein: the water inlet of the water distribution device is communicated with one end of the water inlet pipe, the other end of the water inlet pipe is communicated with the water distributor, and the water distribution device is arranged at the bottom of the reactor body. In the water distribution device provided by the embodiment of the invention, the lengths of the pipelines from each water distribution head to the water inlet are the same, and the angle change amounts of the pipelines are the same, so that the energy loss of the sewage flow discharged by each water distribution head is the same, the sewage flow rate discharged by each water distribution head is the same, and therefore, sewage can be uniformly mixed with the liquid in the water distribution reactor, and the efficiency of hydrolysis reaction is improved.
As an implementation mode of the embodiment of the invention, the water distribution device is arranged at the bottom of the reactor body through a support and hanger. That is, the water distribution device can be fixed on a bracket which is fixed at the bottom of the reactor body; the water distribution device can be fixed on the hanging frame, and the hanging frame is fixed on the periphery of the reactor body, so that the water distribution device can not move when water is fed, and the smooth proceeding of sewage treatment is ensured.
In one embodiment, the water distribution device and the support and hanger can be detachably connected, so that the water distribution device can be conveniently overhauled, detached and the like.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
In this specification, each embodiment is described in a related manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.
Claims (7)
1. The I-shaped circulation self-mixing water distribution device is characterized by comprising a water inlet pipe (13), a multi-stage water distribution pipe and a plurality of water distribution heads (11), wherein:
One end of the first-stage water distribution pipe (12) is vertically communicated with the water inlet pipe (13), and each tail end of the last-stage water distribution pipe (14) is connected with one water distribution head (11); one end of a middle-stage water distribution pipe (15) is vertically communicated with one end of a previous-stage water distribution pipe, the other end of the middle-stage water distribution pipe (15) is vertically communicated with one end of a next-stage water distribution pipe, the pipeline length between each water distribution head (11) and the water inlet pipe (13) is the same, and the middle-stage water distribution pipe (15) is a water distribution pipe of a level except the first-stage water distribution pipe (12) and the last-stage water distribution pipe (14);
The water distribution head comprises a circulation pipe cavity (31), a connecting pipe (32), a nozzle (33) and a water inlet (34), wherein:
The central position of the circulation pipe cavity (31) is provided with the water inlet (34), the water inlet (34) is communicated with the last stage of water distribution pipe, one end of the connecting pipe (32) is communicated with the circulation pipe cavity (31) along the tangential direction of the circulation pipe cavity (31), and the other end of the connecting pipe (32) is communicated with the tail part of the nozzle (33);
The diameter of the connecting pipe (32) is the same as the diameter of the tail part of the nozzle (33); the diameter of the tail of the nozzle (33) is larger than the diameter of the head of the nozzle (33);
the water distribution pipe is a round pipe or a square pipe.
2. The water distribution device according to claim 1, characterized in that the first stage water distribution pipe (12) comprises two water distribution pipes, which are horizontally connected.
3. The water distribution device according to claim 2, wherein each water distribution pipe except the last stage water distribution pipe (14) is vertically connected with two next stage water distribution pipes, and the two next stage water distribution pipes are horizontally connected; all water distribution pipes are positioned in the same horizontal plane.
4. A water distribution device according to claim 3, wherein the water distribution pipes of the same level are the same length.
5. The device according to claim 1, characterized in that the number of the connecting pipes (32) is plural, and the connecting positions of the connecting pipes (32) and the circulation pipe chamber (31) are arranged equidistantly on the outer edge of the circulation pipe chamber.
6. A water distribution reactor, characterized in that it comprises a water distributor (41), a reactor body (42) and a water distribution device (43) according to any one of claims 1-5, wherein:
The water inlet pipe of the water distribution device (43) is communicated with the water distributor (41);
The water distribution device (43) is arranged at the bottom of the reactor body (42).
7. The water distribution reactor according to claim 6, wherein the water distribution device is installed at the bottom of the reactor body through a support and hanger.
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| CN201910984539.8A CN110550728B (en) | 2019-10-16 | 2019-10-16 | I-shaped circulation self-mixing water distribution device and water distribution reactor |
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| CN112062283B (en) * | 2020-09-08 | 2022-09-23 | 苏州德华生态环境科技股份有限公司 | Water collecting system suitable for super-large water volume single-point water distribution condition of vertical subsurface flow wetland |
| CN112723538A (en) * | 2020-12-30 | 2021-04-30 | 深圳悦海环境科技实业有限公司 | Upflow type small-resistance anti-clogging anaerobic water distributor and process method thereof |
| CN112746341A (en) * | 2020-12-30 | 2021-05-04 | 江苏关怀医疗科技有限公司 | Spinning line gel tank with internal circulation pipeline |
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| RU2210043C2 (en) * | 2001-03-26 | 2003-08-10 | Зимин Борис Алексеевич | Kinetic pump-heat exchanger |
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