CN215799063U

CN215799063U - Novel bean sprout spray water recycling equipment

Info

Publication number: CN215799063U
Application number: CN202122290216.4U
Authority: CN
Inventors: 周奕君; 洪知; 张达卫; 李正华
Original assignee: Jiangsu Hesi Environmental Protection Technology Co ltd
Current assignee: Jiangsu Hesi Environmental Protection Technology Co ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-02-11
Anticipated expiration: 2031-09-22

Abstract

The utility model provides novel bean sprout spray water recycling equipment which comprises a separation grid, a primary sedimentation regulating tank, an anoxic tank, an aerobic tank, a DMBR (dimethyl BR) reactor, an intermediate water tank, a first filter, a second ultrafilter and a recycling water tank, wherein the primary sedimentation regulating tank is arranged above the anoxic tank; the inlet end of the separation grid is communicated with the bean sprout spray water to be treated, and the outlet end is communicated with the inlet end of the primary sedimentation regulating tank; the outlet end of the primary sedimentation adjusting tank is communicated with the inlet end of the anoxic tank, and the outlet end of the anoxic tank is communicated with the inlet end of the aerobic tank; the outlet end of the aerobic tank is communicated to the inlet end of the DMBR reactor; the outlet end of the DMBR reactor is communicated with the inlet end of the middle water tank, and the outlet end of the middle water tank is sequentially communicated with the first filter, the second ultrafilter and the reuse water tank. This equipment sets up biochemical pond and MHBR filler, and it is low to solve shower water quality of water pollutant concentration, and the difficult problem that the microorganism is difficult for growing reaches the biodegradable pollutant through microbial cultivation, adopts ozone + active carbon filter and ultrafilter again to carry out the multiple microorganism of getting rid of, realizes the shower water retrieval and utilization purpose.

Description

Novel bean sprout spray water recycling equipment

Technical Field

The utility model belongs to the technical field of recycling bean sprout spray water, and particularly relates to novel bean sprout spray water recycling equipment.

Background

Because present bean sprouts are cultivated and need a large amount of trickle to reach the purpose of adjusting bean sprouts growth temperature, replenishing the required moisture of bean sprouts growth and getting rid of microorganism such as bacterium mould, make the enterprise of large-scale bean sprouts be the water economy resource, reduction in production cost, most all can be with used circulation behind the trickle recovery processing. However, the circulating water contains a large amount of organic matters, mainly secondary metabolites secreted in the growth process of the bean sprouts, and partial secretion from bacteria, and the circulating water also contains bacterial molds, which inhibit the normal growth of the bean sprouts to a certain extent and influence the quality of the bean sprouts.

Especially, the coliform bacteria number and organic matters in the spray water exceed the standards, the concentrations of nitrate and nitrite are high, and the iron and manganese contents can influence the color of the cultured bean sprouts, so that how to recover the spray water and obtain reusable water is a technical problem. Meanwhile, the concentration of pollutants in the spray water is low, and the pollutants are difficult to remove by conventional equipment, so that the reuse efficiency of the spray water is low, and the recovery cost is high.

Disclosure of Invention

The technical scheme is as follows: in order to solve the technical problem that the conventional equipment cannot better remove the pollutants with low concentration in the spray water, the novel bean sprout spray water recycling equipment provided by the utility model comprises a separation grid, a primary sedimentation regulating tank, an anoxic tank, an aerobic tank, a DMBR reactor, an intermediate water tank, a first filter, a second ultrafilter and a recycling water tank; the inlet end of the separation grid is connected with bean sprout spray water to be treated, and the outlet end of the separation grid is communicated with the inlet end of the primary sedimentation regulating tank; the outlet end of the primary sedimentation regulating tank is communicated with the inlet end of the anoxic tank, and the outlet end of the anoxic tank is communicated with the inlet end of the aerobic tank; the outlet end of the aerobic tank is communicated to the inlet end of the DMBR reactor; the outlet end of the DMBR reactor is communicated with the inlet end of the middle water tank, the outlet end of the middle water tank is sequentially communicated with the first filter and the second ultrafilter, and the outlet end of the second ultrafilter is communicated to the reuse water tank; the reuse water tank is used for storing purified and reused spray water.

As an improvement, the system also comprises a return pipeline which is fixedly arranged between the anoxic pond and the aerobic pond and used for returning mixed liquor and/or sludge between the anoxic pond and the aerobic pond.

As an improvement, the outlet ends of the anoxic tank and the aerobic tank are respectively and independently provided with a screen mesh for preventing the MHBR filler put in the anoxic tank and the aerobic tank from losing.

As an improvement, the device also comprises a plurality of groups of fans, wherein one group of fans is used for supplying air to the aerobic pool, and the other group of fans is used for supplying air to the DMBR.

As an improvement, the first filter is a biological activated carbon filter, and the second ultrafilter is a polyvinyl chloride filter.

As an improvement, the separation grid is of a grid structure; the outlet end of the reuse water tank is communicated with the water storage tank through a pump, one side of the water storage tank is provided with an ultraviolet disinfection device for ultraviolet disinfection treatment of spray water,

as an improvement, an ozone aeration pipeline is arranged in the middle water tank and used for conveying ozone to carry out ozone disinfection treatment on liquid in the water tank.

Has the advantages that: according to the device provided by the utility model, on one hand, the biochemical pool of the anoxic pool and the aerobic pool is arranged, and the MHBR filler is adopted, so that the technical problems that the concentration of pollutants in the water quality of spray water is low and the microorganisms are not easy to grow can be solved, the culture of the microorganisms can be realized, and the purpose of biologically degrading the pollutants is achieved.

On the other hand, the microorganisms are removed by the combined process of setting a DMBR reactor, ozone, activated carbon, ultrafiltration and ultraviolet disinfection, the activated carbon filter and the ultrafilter are adopted to carry out multiple treatment on the microorganisms after ozone treatment, organic matters, colloid, large suspended matters, particles, bacteria and the like in water are removed, and various bacteria, viruses, parasites, algae and other pathogens in the water are directly killed by ultraviolet rays.

Meanwhile, the device takes sludge as a carbon source, and can realize the purpose of removing total nitrogen and SS; need not to suck the water pump among the device, compare conventional MBR energy consumption and save 80%, only need carry out simple back flush and just can realize long-time unattended operation unit ization modularization installation, can realize quick assembly disassembly.

Drawings

FIG. 1 is a schematic view of the structure of the apparatus of the present invention.

FIG. 2 is a schematic structural diagram of the joint of the aerobic tank, the anoxic tank and the DMBR reactor.

In the figure: the device comprises a separation grid 1, a primary sedimentation regulating tank 2, an anoxic tank 3, an aerobic tank 4, a DMBR reactor 5, an intermediate water tank 6, a first filter 7, a second ultrafilter 8, a reuse water tank 9 and a return pipeline 10.

Detailed Description

The following examples are given to further illustrate the embodiments of the present invention. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

The novel bean sprout spray water recycling device comprises a separation grid 1, a primary sedimentation regulating tank 2, an anoxic tank 3, an aerobic tank 4, a DMBR reactor 5, an intermediate water tank 6, a first filter 7, a second ultrafilter 8 and a recycling water tank 9; the inlet end of the separation grid 1 is connected with bean sprout spray water to be treated, and the outlet end is communicated with the inlet end of the primary sedimentation regulating tank 2; the outlet end of the primary sedimentation regulating tank 2 is communicated with the inlet end of an anoxic tank 3, and the outlet end of the anoxic tank 3 is communicated with the inlet end of an aerobic tank 4; the outlet end of the aerobic tank 4 is communicated to the inlet end of the DMBR reactor 5; the outlet end of the DMBR reactor 5 is communicated with the inlet end of the middle water tank 6, the outlet end of the middle water tank 6 is sequentially communicated with a first filter 7 and a second ultrafilter 8, and the outlet end of the second ultrafilter 8 is communicated with a reuse water tank 9; the reuse water tank 9 is used for storing purified and reused spray water.

The anaerobic tank is characterized by further comprising a return pipeline 10, wherein the return pipeline 10 is fixedly arranged between the anoxic tank 3 and the aerobic tank 4 and used for returning mixed liquor and/or sludge between the anoxic tank and the aerobic tank. Wherein the screen cloth is installed to the exit end in oxygen deficiency pond 3 and good oxygen pond 4 for prevent that the MHBR filler of puting in oxygen deficiency pond 3 and good oxygen pond 4 from running off, the screen cloth can be stainless steel construction.

The device also comprises a plurality of groups of fans 11, wherein one group of fans is used for supplying air to the aerobic pool 4, and the other group of fans is used for supplying air to the DMBR reactor 5. The first filter 7 is a biological activated carbon filter, and the second ultrafilter 8 is a polyvinyl chloride filter.

The separation grid 1 is of a grid structure; the outlet end of the reuse water tank 9 is communicated with a reservoir through a pump, and an ultraviolet disinfection device is arranged on one side of the reservoir and used for ultraviolet disinfection treatment of spray water. And an ozone aeration pipeline is arranged inside the middle water tank 6 and is used for conveying ozone to carry out ozone disinfection treatment on liquid in the water tank.

Through the filtration of two filters, especially after the second ultrafilter, use ultrafiltration + ultraviolet ray disinfection, further get rid of organic matter, colloid, big suspended solid, granule, bacterium etc. in the water, directly kill various bacterium, virus, parasite, algae and other pathogens in the water through the ultraviolet ray.

Compared with the conventional technology, the novel combined technology of the grid pool, the primary sedimentation regulating pool, the anoxic pool, the aerobic pool, the DMBR, the ozone, the activated carbon, the ultrafiltration and the ultraviolet disinfection is adopted, so that the concentration of nitrate and nitrite can be effectively reduced, and floating activated sludge and a microbial membrane can be cultured; the energy consumption is reduced and the operation is simplified. The unique process combination is adopted, and the simplified novel multi-element microenvironment reinforced denitrification of high-standard treatment is realized; the micro-power built-in dynamic membrane system can improve the denitrification effect by 15-25%.

Example 1

Bean sprouts spray water is through 1 filtration big impurity of separation bars waiting, gets into after mixing liquid is collected and just sinks equalizing basin 2, and the supernatant after the sediment is promoted to the biochemical pond of combination by the immersible pump, and this pond comprises oxygen deficiency pond 3 and good oxygen pond 4, and inside is equipped with mixed liquid reflux unit, MBBR suspended filler etc. reflux unit is including backflow pipeline 10, and backflow pipeline 10 sets up and installs between oxygen deficiency pond 3 and good oxygen pond 4 for mixed liquid backward flow and/or mud backward flow between.

Through the combination of the biochemical tank, the carrier is in a fluidized state by virtue of the lifting action of aeration and water flow in the aeration tank, and then activated sludge growing in a suspended manner and a biological membrane growing in an attached manner are formed, so that the biological membrane uses the space of the whole reactor, the superiorities of both attached phase organisms and suspended phase organisms are fully exerted, and the advantages of the attached phase organisms and the suspended phase organisms are enhanced, avoided and supplemented with each other. Furthermore, most organic matters in the water can be removed, ammonia nitrogen and total nitrogen are removed, the effluent automatically flows into the DMBR reactor 5 to remove the organic matters and simultaneously intercept biochemical sludge, and effluent suspended matters are reduced.

The DMBR reactor 5 of the utility model is a structure which completes high-precision separation (can reach 0.2 +/-0.001 mu m) based on an activated sludge filter cake layer quickly formed by a macroporous substrate, simultaneously the transfer of dissolved oxygen is limited, a good denitrification environment is created, sludge is used as a carbon source, and the purpose of removing total nitrogen and SS is realized. After the ozone oxidation reaction of the effluent, the effluent passes through activated carbon, and the porous activated carbon can adsorb fine substances in various liquids during filtration, so that the effluent can be decolorized, deodorized, dechlorinated and organic matters removed.

5 play water of DMBR reactor flows automatically and gets into middle pond 6, lets in ozone and carries out oxidation reaction, goes out water and promotes by the pump again and gets into biological activated carbon filter, first filter 7 promptly, further gets rid of aquatic organic matter etc. through the synergism of activated carbon adsorption and ozone oxidative decomposition, produces water and flows automatically and get into ultrafiltration device, second ultrafilter 8 promptly, carries out depth filtration, and ultrafiltration play water gets into reuse water, 9, and groundwater gets into the cistern simultaneously. And introducing ozone into the reuse water pool for sterilization and disinfection. When spraying, the clear water in the reuse water pool and the reservoir is lifted to ultraviolet rays by a pump, and the clear water is used for spraying after being disinfected, so that harmful substances such as coliform bacteria and the like are prevented from being contained in the spraying water.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. Novel bean sprouts spray water retrieval and utilization equipment, its characterized in that: comprises a separation grid (1), a primary sedimentation regulating tank (2), an anoxic tank (3), an aerobic tank (4), a DMBR reactor (5), an intermediate water tank (6), a first filter (7), a second ultrafilter (8) and a reuse water tank (9); the inlet end of the separation grid (1) is connected with bean sprout spray water to be treated, and the outlet end is communicated with the inlet end of the primary sedimentation regulating tank (2); the outlet end of the primary sedimentation regulating tank (2) is communicated with the inlet end of the anoxic tank (3), and the outlet end of the anoxic tank (3) is communicated with the inlet end of the aerobic tank (4); the outlet end of the aerobic tank (4) is communicated to the inlet end of the DMBR reactor (5); the outlet end of the DMBR reactor (5) is communicated with the inlet end of the middle water tank (6), the outlet end of the middle water tank (6) is sequentially communicated with the first filter (7) and the second ultrafilter (8), and the outlet end of the second ultrafilter (8) is communicated with the reuse water tank (9); the reuse water tank (9) is used for storing purified and reused spray water.

2. The novel bean sprout spraying water recycling device of claim 1, which is characterized in that: the anaerobic sludge treatment device is characterized by further comprising a return pipeline (10), wherein the return pipeline (10) is fixedly arranged between the anoxic tank (3) and the aerobic tank (4) and is used for returning mixed liquid and/or sludge between the anoxic tank and the aerobic tank.

3. The novel bean sprout spraying water recycling device of claim 1, which is characterized in that: the device also comprises a plurality of groups of fans (11), wherein one group of fans is used for supplying air to the aerobic pool (4), and the other group of fans is used for supplying air to the DMBR reactor (5).

4. The novel bean sprout spraying water recycling device of claim 1, which is characterized in that: the screen cloth is all independently installed to oxygen deficiency pond (3) and good oxygen pond (4) exit end for prevent that the MHBR filler of throwing in oxygen deficiency pond (3) and good oxygen pond (4) from running off.

5. The novel bean sprout spraying water recycling device of claim 1, which is characterized in that: the first filter (7) is a biological activated carbon filter, and the second ultrafilter (8) is a polyvinyl chloride filter.

6. The novel bean sprout spraying water recycling device of claim 1, which is characterized in that: the separation grid (1) is of a grid structure; the outlet end of the reuse water tank (9) is communicated with the water storage tank through a pump, and an ultraviolet disinfection device is arranged on one side of the water storage tank and used for ultraviolet disinfection treatment of spray water.

7. The novel bean sprout spraying water recycling device of claim 1, which is characterized in that: and an ozone aeration pipeline is arranged in the middle water tank (6) and is used for conveying ozone to carry out ozone disinfection treatment on the liquid in the water tank.