CN211664785U - But biochemical sewage anaerobic device of little water gauge height concentration - Google Patents
But biochemical sewage anaerobic device of little water gauge height concentration Download PDFInfo
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- CN211664785U CN211664785U CN201821192886.4U CN201821192886U CN211664785U CN 211664785 U CN211664785 U CN 211664785U CN 201821192886 U CN201821192886 U CN 201821192886U CN 211664785 U CN211664785 U CN 211664785U
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Abstract
The utility model discloses a biochemical sewage anaerobic device with small water volume and high concentration, which comprises a frame, wherein the size and the structure of the appearance of the frame are the same as those of a standard container, the frame is vertically arranged, an anaerobic biochemical box for carrying out anaerobic biochemical treatment on sewage is arranged in the frame, the bottom of the anaerobic biochemical box is provided with a water inlet for the sewage to be treated, and the water inlet is connected with a water inlet pipe; the top of the reaction chamber is provided with an exhaust pipe for exhausting gas generated by biochemical reaction; the middle part is provided with a water treatment area which comprises an anaerobic biochemical reaction area positioned at the lower layer and an upper clear liquid area positioned at the upper layer, and a gas-solid-liquid three-phase separator is arranged between the upper clear liquid area and the anaerobic biochemical reaction area; anaerobic bacteria activated sludge is filled in the anaerobic biochemical reaction area, an overflow weir opening groove is arranged at the top of the supernatant liquid area, and the overflow weir opening groove is connected with a drain pipe through a water outlet to discharge supernatant liquid out of the tank body. The device can effectively treat biochemical sewage with small water volume and high concentration.
Description
Technical Field
The utility model relates to a sewage treatment device, in particular to a biochemical sewage anaerobic device with small water volume and high concentration.
Background
In the field of sewage treatment, biochemical sewage with small water volume and high concentration often needs to be treated, such as a farm, a remote residential area without a domestic sewage pipe network, a resort, certain industrial fields and the like. It is necessary to design a set of processing device with simple structure, convenient transportation and installation, easy management and low operation cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to design an anaerobic treatment device with simple structure, convenient transportation and installation, easy management and low operating cost aiming at the biochemical sewage with small water volume and high concentration. The device can effectively treat biochemical sewage with small water volume and high concentration, and has the advantages of simple structure, convenient transportation and installation, easy management and low operating cost.
A biochemical sewage anaerobic device with small water volume and high concentration comprises a frame, wherein the size and the structure of the appearance of the frame are the same as those of a standard container, and the frame is vertically arranged; the frame is internally provided with an anaerobic biochemical box for carrying out biochemical treatment on sewage by an anaerobic method, the bottom of the anaerobic biochemical box is provided with a water inlet for sewage to be treated, and the water inlet is connected with a water inlet pipe; the top of the reaction chamber is provided with an exhaust pipe for exhausting gas generated by biochemical reaction; the middle part is provided with a water treatment area which comprises an anaerobic biochemical reaction area positioned at the lower layer and an upper clear liquid area positioned at the upper layer, and a gas-solid-liquid three-phase separator is arranged between the upper clear liquid area and the anaerobic biochemical reaction area; anaerobic bacteria activated sludge is filled in the anaerobic biochemical reaction area, an overflow weir opening groove is arranged at the top of the supernatant liquid area, the overflow weir opening groove is connected with a drain pipe through a water outlet to discharge supernatant liquid out of the box body, and the anaerobic living box is in a normally closed anaerobic state.
Preferably, the gas-solid-liquid three-phase separator is formed by filling a raschig ring with a certain specification in a mesh container, and the mesh container is a metal mesh or a plastic mesh; the Raschig ring is made of ceramic, metal or plastic, and the separator of the gas-solid-liquid three-phase separator has a certain height. When the device works, sewage flows upwards due to water coming from the bottom in the anaerobic biochemical region, when the sewage passes through the gas-solid-liquid three-phase separator, slag is isolated below the separator, and gas and supernatant pass through the separator to enter the upper part, so that the separation of the three is effectively realized.
Preferably, a stirrer for stirring the sewage is arranged in the biochemical reaction area. When the device works, in order to accelerate the reaction rate, the sewage is required to be in full contact reaction with the activated sludge layer, and waste gases such as methane and the like can be discharged in time under the stirring action. The device aims at the sewage to be treated, the gas production speed and the gas production rate in the anaerobic biochemical process are low, and the requirement on stirring the materials to be reacted in the tank is difficult to be met through the produced gas; thus adding a stirrer; the stirrer can be an extension-type stirring device arranged outside the box body for a motor and other transmission devices, a slurry pump arranged outside the box body, and the like.
Preferably, the open groove of the overflow weir is formed by a straight groove, one end of the straight groove is connected with a drain pipe, and a water outlet is formed at the connection part of the straight groove and the drain pipe. During operation, the liquid level of the supernatant fluid which is lifted due to the water inflow turns over the wall of the straight groove and flows into the straight groove, then the supernatant fluid flows into the water outlet pipe through the water outlet arranged at one end of the straight groove, and the overflow weir opening groove can play a role in stabilizing the flow of the water flow, so that the supernatant fluid can flow out of the water outlet pipe stably.
Preferably, the bottom wall body of the anaerobic biochemical box is arranged into an inverted pyramid structure, and the bottom of the inverted pyramid structure is provided with a water inlet pipe and an exhaust pipe sharing outlet. When the device works, sewage to be treated is pumped into the box body through the water inlet; and discharging the residual slag liquid at the bottom of the gathering box body through an emptying pipe.
Preferably, the inlet pipe and the evacuation pipe share an outlet configured to: a pipeline with the diameter the same as the size of the outlet of the inverted pyramid at the bottom of the anaerobic biochemical tank is arranged, an opening matched with the outlet of the inverted pyramid is arranged in the middle of the pipeline, and the pipeline is welded and connected with the bottom of the anaerobic biochemical tank; and the two ends of the pipeline are subjected to reducing treatment according to the pipe diameters of the water inlet pipe and the emptying pipe. The purpose, the preparation is convenient simple, reduces the external opening of box, the convenient operation.
Preferably, the bottom of the anaerobic biochemical tank is also provided with a distributor above the sewage inlet, the distributor is of a pyramid-shaped structure, and the same gaps are reserved between the periphery of the distributor and the inverted pyramid structure on the outer wall of the tank bottom; the advantages of such an arrangement are: (1) when water is distributed in the inlet water or slag is discharged and emptied, the uniform flow of fluid is ensured; and (2) when the inlet water passes through the water distributor, the sludge gathered at the bottom of the cone is stirred and dispersed and is fully contacted with the sewage.
Preferably, the drain pipe is connected with a first U-shaped pipe, and the first U-shaped pipe forms a trap for blocking air from entering the box body to destroy an anaerobic environment, and is used for blocking air from entering the box body to destroy the anaerobic environment.
The utility model discloses a theory of operation is:
a biochemical sewage anaerobic device with small water volume and high concentration adopts a vertical standard container frame structure in appearance, the device is internally sealed, and the inside of the box body is anoxic; the intermittent small-volume high-concentration sewage is subjected to biochemical reaction by anaerobic bacteria to form gas (mainly methane), liquid (supernatant liquid and residues which need further treatment); wherein, the sewage flows upwards due to the water coming from the bottom in the anaerobic biochemical area, when the sewage passes through the gas-solid-liquid three-phase separator, the slag is isolated below the separator, and the gas and the supernatant fluid pass through the separator to enter the upper part, thereby effectively realizing the separation of the three; in addition, the open groove of the overflow weir can play a role of stabilizing the water flow, so that the supernatant can smoothly flow out of the drain pipe.
Compared with the prior art, the biochemical sewage anaerobic device with small water volume and high concentration of the utility model has the following beneficial effects:
1. the design that the size and the structure of the frame of the appearance are the same as those of a standard container, namely 6.0 multiplied by 2.3 meters, is adopted, the appearance is regular, and the manufacturing, the transportation and the installation are convenient; meanwhile, all functional parts can be installed and filled completely during factory manufacturing, the device can be used after being transported to a destination only by connecting water and electricity and domesticating microorganisms, and complex splicing and installation of parts such as pipelines are not needed, so that great convenience is brought to installation and use and secondary transfer.
2. The vertical arrangement of container, area is little, once can handle about 16 tons of sewage, satisfies the sewage treatment task of little discharge mill such as aquaculture factory.
3. The device has reasonable arrangement of the inlet and outlet pipe orifices; the water inlet pipe and the shared outlet of the emptying pipe are arranged below the inverted pyramid structure at the bottom, and the built-in pyramid-shaped distributor is convenient and simple to manufacture, reduces the external opening of the box body and is convenient to operate.
4. If the water quantity is increased, a plurality of devices can be used in parallel, and the flexibility and the maneuverability are good.
Drawings
Fig. 1 and fig. 2 are schematic structural views of a biochemical sewage anaerobic device with small water volume and high concentration according to the present invention.
Fig. 3 is a schematic diagram of a distributor, a water inlet pipe and an emptying pipe sharing outlet at the bottom of a tank.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.
Referring to fig. 1 and 2, the utility model discloses a but biochemical sewage anaerobic device of little water gauge height concentration includes frame 1, and size, the structure of this frame 1 appearance are the same with standard container, and this frame 1 is vertical setting, and the outside is equipped with vertical ladder and rail 2, and interior for the biochemical case of anaerobism, the lateral wall of this biochemical case of anaerobism is equipped with visual window 16, divide into from bottom to top in the box of the biochemical case of anaerobism:
firstly, a water distribution area 3: consists of a distributor 7, a sewage inlet pipe 8 and an emptying pipe 9. The purpose is as follows: injecting sewage to be treated, wherein the sewage is uniformly distributed and enters a reaction area; the surplus sludge (biogas residue) after the reaction is gathered and is conveniently and selectively discharged from the emptying pipe 9.
Secondly, the middle lower part is an anaerobic reaction zone 4; the sewage is subjected to anaerobic biochemical reaction in the area.
Thirdly, a gas collection area 6 and an exhaust pipe 15 are arranged at the top of the device, and gas generated by biochemical reaction is discharged;
a gas-solid-liquid three-phase separator 10 is arranged between the supernatant and the anaerobic biochemical reaction area; the top of the supernatant region 5 is provided with an overflow weir open groove 11, and the overflow weir open groove 11 is connected with a drain pipe 17 through a drain outlet to drain the supernatant out of the tank body.
Fifthly, the anaerobic living box is in a closed anaerobic state.
Wherein, the gas-solid-liquid three-phase separator 10 is formed by filling Raschig rings with certain specifications into a mesh container, and the mesh container is a metal mesh or a plastic (such as nylon) mesh; the raschig ring is made of ceramic, metal or plastic, and the gas-solid-liquid three-phase separator 10 has a certain height. When the device works, sewage flows upwards due to water coming from the bottom in the anaerobic biochemical area, when the sewage passes through the gas-solid-liquid three-phase separator 10, slag is isolated below the gas-solid-liquid three-phase separator 10, and gas and supernatant pass through the gas-solid-liquid three-phase separator 10 to enter the upper part, so that the separation of the gas, the solid and the supernatant is effectively realized.
Referring to fig. 1 and 2, a stirrer 12 for stirring the sewage is arranged in the biochemical reaction area. When the device works, in order to accelerate the reaction rate, the sewage is required to be in full contact reaction with the activated sludge layer, and waste gases such as methane and the like can be discharged in time under the stirring action. The device aims at the sewage to be treated, the gas production speed and the gas production rate in the anaerobic biochemical process are low, and the requirement on stirring the materials to be reacted in the tank is difficult to be met through the produced gas; thus adding the agitator 12; the agitator 12 may be a retractable agitator with a motor or other drive means disposed outside the tank, a slurry pump disposed outside the tank, or the like.
Referring to fig. 1 and 2, the weir-opening groove 11 is formed of a straight groove having one end connected to the drain pipe 17, and a drain port is formed at a portion where the straight groove is connected to the drain pipe 17. During operation, because of the supernatant liquid level that has intake and has promoted turns over the wall of straight flute and flows into the straight flute in, then flows into the outlet pipe through the delivery port that sets up in straight flute one end, and the open groove 11 of overflow weir can play the effect of stationary flow to rivers for the supernatant can flow out from drain pipe 17 steadily.
Referring to fig. 1-3, the bottom wall 18 of the anaerobic biochemical tank is arranged in an inverted pyramid structure, and the outlet 13 shared by the inlet pipe and the exhaust pipe is arranged at the bottom of the inverted pyramid structure. When the device works, sewage to be treated is pumped into the box body through the water inlet; the residual slag liquid at the bottom of the gathering box body is discharged through an emptying pipe 9.
Referring to fig. 1 to 3, the inlet pipe and the evacuation pipe sharing outlet 13 are configured as follows: a pipeline with the diameter the same as the size of the outlet of the inverted pyramid at the bottom of the anaerobic biochemical tank is arranged, an opening matched with the outlet of the inverted pyramid is arranged in the middle of the pipeline, and the pipeline is welded and connected with the bottom of the anaerobic biochemical tank; the two ends of the pipeline are subjected to reducing treatment according to the pipe diameters of the sewage inlet pipe 8 and the emptying pipe 9. The purpose, the preparation is convenient simple, reduces the external opening of box, the convenient operation.
Wherein, the distributor 7 is a pyramid-shaped structure, and the same gap is reserved between the periphery of the distributor and the inverted pyramid structure on the outer wall of the box bottom; the advantages of such an arrangement are: (1) when water is distributed in the inlet water or slag is discharged and emptied, the uniform flow of fluid is ensured; (2) when the inlet water passes through the water distributor, the sludge gathered at the bottom of the cone is stirred and dispersed and fully contacted with the sewage.
Referring to fig. 1 and 2, the drain pipe 17 is connected with a first U-shaped pipe 14, and the first U-shaped pipe 14 forms a trap for blocking air from entering the box body to destroy the anaerobic environment, and blocks air from entering the box body to destroy the anaerobic environment.
The utility model discloses a theory of operation is:
a biochemical sewage anaerobic device with small water volume and high concentration adopts a vertical standard container frame 1 structure, the device is internally sealed, and the inside of the box body is anoxic; the intermittent small-volume high-concentration sewage is subjected to biochemical reaction by anaerobic bacteria to form gas (mainly methane), liquid (supernatant liquid and residues which need further treatment); wherein, the sewage flows upwards due to the water coming from the bottom in the anaerobic biochemical region, when the sewage passes through the gas-solid-liquid three-phase separator 10, the slag is isolated below the separator, and the gas and the supernatant pass through the separator to enter the upper part, thereby effectively realizing the separation of the three; in addition, the weir opening 11 can stabilize the flow of water, so that the supernatant can smoothly flow out of the drain pipe 17.
The above is the preferred embodiment of the present invention, but the embodiment of the present invention is not limited by the above, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (8)
1. The anaerobic device for the biochemical sewage with small water volume and high concentration is characterized by comprising a frame, wherein the size and the structure of the appearance of the frame are the same as those of a standard container, the frame is vertically arranged, an anaerobic biochemical box for carrying out anaerobic biochemical treatment on the sewage is arranged in the frame, a water inlet for the sewage to be treated is formed in the bottom of the anaerobic biochemical box, and the water inlet is connected with a water inlet pipe; the top of the reaction chamber is provided with an exhaust pipe for exhausting gas generated by biochemical reaction; the middle part is provided with a water treatment area which comprises an anaerobic biochemical reaction area positioned at the lower layer and an upper clear liquid area positioned at the upper layer, and a gas-solid-liquid three-phase separator is arranged between the upper clear liquid area and the anaerobic biochemical reaction area; anaerobic bacteria activated sludge is filled in the anaerobic biochemical reaction area, an overflow weir opening groove is arranged at the top of the supernatant liquid area, and the overflow weir opening groove is connected with a drain pipe through a water outlet to discharge supernatant liquid out of the tank body.
2. The anaerobic apparatus for treating wastewater with small water content and high concentration by biochemical treatment according to claim 1, wherein a stirrer for stirring wastewater is disposed in the biochemical reaction region.
3. The anaerobic apparatus for biochemical sewage with small water content and high concentration according to claim 1, wherein the gas-solid-liquid three-phase separator is formed by filling raschig rings with certain specification in a mesh container, and the mesh container is a metal mesh or a plastic mesh; the raschig ring is made of ceramic, metal or plastic.
4. The anaerobic apparatus for biochemical sewage with small water content and high concentration according to claim 1, wherein the open groove of the overflow weir is formed of a straight groove, one end of which is connected to the drain pipe, and a drain port is formed at a portion of the straight groove connected to the drain pipe.
5. The anaerobic apparatus for biochemical sewage treatment with small water volume and high concentration according to any one of claims 1 to 4, wherein the bottom wall of the anaerobic biochemical tank is configured as an inverted pyramid structure, and the bottom of the inverted pyramid structure is configured with an inlet pipe and an exhaust pipe sharing an outlet.
6. The small-water-volume high-concentration biochemical sewage anaerobic apparatus according to claim 5, wherein the water inlet pipe and the evacuation pipe share an outlet configured to: a pipeline with the diameter the same as the size of the outlet of the inverted pyramid at the bottom of the anaerobic biochemical tank is arranged, an opening matched with the outlet of the inverted pyramid is arranged in the middle of the pipeline, and the pipeline is welded and connected with the bottom of the anaerobic biochemical tank; and the two ends of the pipeline are subjected to reducing treatment according to the pipe diameters of the water inlet pipe and the emptying pipe.
7. The anaerobic apparatus for sewage with small water volume and high concentration biochemical sewage of claim 6, wherein the bottom of the anaerobic biochemical tank is further provided with a distributor above the sewage inlet, the distributor is a pyramid-shaped structure, and the same gap is arranged between the periphery of the distributor and the inverted pyramid structure on the outer wall of the bottom of the tank for promoting the distribution of inlet water or ensuring the uniform flow of fluid when slag is discharged and emptied.
8. The anaerobic apparatus for treating biochemical sewage with small water content and high concentration according to any one of claims 1 to 4, wherein the water discharge pipe is connected with a first U-shaped pipe which forms a trap for blocking air from entering the tank to destroy anaerobic environment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821192886.4U CN211664785U (en) | 2018-07-25 | 2018-07-25 | But biochemical sewage anaerobic device of little water gauge height concentration |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821192886.4U CN211664785U (en) | 2018-07-25 | 2018-07-25 | But biochemical sewage anaerobic device of little water gauge height concentration |
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| CN211664785U true CN211664785U (en) | 2020-10-13 |
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| CN201821192886.4U Active CN211664785U (en) | 2018-07-25 | 2018-07-25 | But biochemical sewage anaerobic device of little water gauge height concentration |
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Effective date of registration: 20230412 Address after: 529000 No. 18, Fuyun Road, Fuyun Industrial Zone, Yunxiang, Zhushan Town, Heshan City, Jiangmen City, Guangdong Province Patentee after: GUANGDONG MCB EQUIPMENT CO.,LTD. Address before: Room 829, No. 333, jiufo Jianshe Road, Zhongxin Guangzhou Knowledge City, Guangzhou, Guangdong 510555 Patentee before: GUANGZHOU ZHISHUN TECHNOLOGY Co.,Ltd. |
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