CN210393879U - Anaerobic reactor for high-concentration calcium ions - Google Patents
Anaerobic reactor for high-concentration calcium ions Download PDFInfo
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- CN210393879U CN210393879U CN201920836915.4U CN201920836915U CN210393879U CN 210393879 U CN210393879 U CN 210393879U CN 201920836915 U CN201920836915 U CN 201920836915U CN 210393879 U CN210393879 U CN 210393879U
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Abstract
The utility model relates to an anaerobic reactor to high concentration calcium ion relates to the sewage treatment field. An anaerobic reactor aiming at high-concentration calcium ions comprises a water inlet device, an anaerobic reactor body and a sand discharge pipe; the water inlet device comprises a water pump, a water distributor and a pipeline, and the water pump is connected with the water distributor through the pipeline and is used for feeding water into the anaerobic reactor body; the water distributor is a multilayer water distribution pipeline which is arranged at the lower end of the anaerobic reactor body, a nozzle is arranged on the water distribution pipeline, and a plurality of sand discharge pipes are arranged below the water distribution pipeline. Through the utility model discloses an anaerobic reactor has effectively solved the problem that calcification mud blockked up the water-locator.
Description
Technical Field
The utility model relates to a sewage treatment field, concretely relates to anaerobic reactor to high concentration calcium ion.
Background
The pollution concentration of industrial wastewater treatment is high, the treatment difficulty is always a key concern object in the field of environmental protection, the world energy shortage is increasingly prominent in the 70 s of the 20 th century, and the wastewater treatment technology capable of producing energy is regarded as important. Anaerobic wastewater treatment is a low-cost wastewater treatment technology, and is a technology combining wastewater treatment and energy recycling, the product of the technology can be actively utilized to generate economic value, the anaerobic biological treatment of wastewater is an important technology in environmental engineering and energy engineering, and is one of powerful organic wastewater treatment methods, and compared with other industrial wastewater treatment, the anaerobic treatment has the advantages of low operation cost, good treatment effect, capability of generating available energy biogas and the like and becomes a key focus of industrial wastewater treatment.
When the existing anaerobic reactor is used for treating high-concentration calcium ion sewage, because the calcium ion concentration in the sewage is high, calcium ions can form scales to block gaps of granular sludge, a grey white 'calcium layer' can be formed on the surface of the granular sludge, so that the anaerobic sludge is calcified, and the calcium ions are discharged in time and accumulated at the bottom of the anaerobic reactor, so that a water distribution pipe is blocked, the problems of uneven water inlet, local acidification of the reactor and the like are caused, and the treatment efficiency of the anaerobic reactor is seriously influenced.
The utility model discloses a patent No. 201620021887.7 discloses an anaerobic reactor of mud separation two-stage processing, including the tower body, gas-liquid separator, upper strata triphase separator, middle level triphase separator, the back taper water-locator, upper strata tedge, go out the water weir plate, middle level tedge, the back flow, upper strata triphase separator, middle level triphase separator, the back taper water-locator is fixed respectively in the upper, middle, lower part of tower body, the top of tower body is equipped with gas-liquid separator, gas-liquid separator top is equipped with the marsh gas pipe that discharges marsh gas outward and passes upper strata triphase separator and middle level triphase separator and reach the back flow of the water inlet of back taper water-locator, it sets up in the top of upper strata triphase separator to go out the water weir plate fixedly, middle level triphase separator and upper level triphase separator are equipped with the middle level tedge and the upper strata tedge that connect into gas-liquid; the upper part of the tower body is provided with a water outlet and circulation header pipe communicated with the water outlet of the water outlet weir plate, the lower part of the tower body is provided with a mud inlet pipe, the bottom of the tower body is provided with a water inlet pipe, and the bottom of the inverted cone water distributor is provided with a mud discharge pipe. However, the anaerobic reactor also has the problem that the water distributor is easily blocked by calcified sludge under the high-concentration calcium ion environment, so that the water distribution is uneven and even cannot be normally used.
Disclosure of Invention
To the problem that exists among the prior art, the utility model provides a novel technical scheme in order to solve above-mentioned technical problem, specifically is an anaerobic reactor to high concentration calcium ion.
The technical solution of the utility model is as follows:
an anaerobic reactor aiming at high-concentration calcium ions comprises a water inlet device, an anaerobic reactor body and a sand discharge pipe, wherein the water inlet device comprises a water pump, a water distributor and a pipeline, and the water pump is connected with the water distributor through the pipeline and is used for feeding water into the anaerobic reactor body; the water distributor is a multi-layer staggered water distribution pipeline, can be arranged in two layers, can also be arranged in three layers, or can be arranged in more layers and is positioned at the lower end of the anaerobic reactor body, nozzles are arranged on the water distribution pipeline, large-channel water distribution is adopted by the nozzles, the speed of sewage sprayed out from the nozzles is increased under the cooperation of a water pump, the nozzles are effectively prevented from being blocked by calcified sludge and are beneficial to uniform water distribution, at least 2 sand discharge pipes are uniformly arranged below the water distributor, and the calcified sludge can be effectively and completely discharged out of the anaerobic reactor by the plurality of sand discharge pipes, so that uneven sand discharge is avoided, and the calcified sludge is remained in the reactor.
Preferably, the nozzle has a diameter of 25-50 mm.
Preferably, the anaerobic reactor body comprises an upper half part and a lower half part, wherein the upper half part is cylindrical, the lower half part is conical, and the lower half part is conical, so that calcified sludge is deposited below the water distribution pipeline.
Preferably, the upper half part of the anaerobic reactor body is further provided with a three-phase separator and a water outlet pipe, sewage reacts with anaerobic sludge in the anaerobic reactor body, the sewage after reaction reaches the three-phase separator to carry out solid-liquid-gas three-phase separation, and the separated liquid is discharged through the water outlet pipe.
Preferably, the top of the anaerobic reactor body is also provided with a biogas treatment device, the biogas treatment device comprises a biogas pipeline and a biogas pressure stabilizing cabinet, the biogas pressure stabilizing cabinet is communicated with the anaerobic reaction body through the biogas pipeline, biogas separated by the three-phase separator can be collected through the biogas treatment device, the collected biogas can be used as fuel when the biogas in the biogas collection device reaches a preset value, so that resources can be fully utilized, and in addition, the anaerobic reactor body is totally closed, so that the generation of peculiar smell is avoided.
Preferably, the three-phase separator adopts an inlet polypropylene (PP) material, so that the three-phase separator is effectively prevented from being corroded.
The beneficial effects of the utility model reside in that:
1. the large-channel nozzle is combined with the water pump, so that the nozzle is prevented from being blocked by calcified sludge, and the water distribution pipes are arranged in a staggered manner, so that the water distribution is more uniform.
2. The plurality of sand discharge pipes are arranged below the water distribution pipeline, so that calcified sludge is discharged out of the anaerobic reactor, uneven sand discharge is avoided, and the calcified sludge is left in the anaerobic reactor.
Drawings
FIG. 1 is a schematic structural view of an anaerobic reactor of the present invention
In the figure, 1, a water inlet device; 2. an anaerobic reactor body; 3. a sand discharge pipe; 4. a biogas collection device; 100. a water pump; 101. a water distributor; 102. a pipeline; 201. An upper half; 202. a lower half; 203. a three-phase separator; 204. a water outlet pipe; 400. a biogas pipeline; 401. a methane pressure stabilizing cabinet.
Detailed Description
Example 1
As shown in fig. 1, an anaerobic reactor for high-concentration calcium ions comprises a water pump 100, a water distributor 101, a pipeline 102, an anaerobic reactor body 2, a sand discharge pipe 3, a biogas pipeline 400 and a biogas pressure stabilizing cabinet 401, wherein the water pump 100 is arranged at the front end of the anaerobic reactor, and the water pump 100 is connected with the water distributor 101 through the pipeline 102; the anaerobic reactor 2 comprises an upper half part 201 and a lower half part 202, wherein the upper half part 201 is cylindrical, the lower half part 202 is conical, the water distributor is arranged in the lower half part 202, a three-phase separator 203 and a water outlet pipe 204 are also arranged in the upper half part 201, the three-phase separator 203 is used for gas-liquid-solid three-phase separation of sewage, and liquid separated by the three-phase separator 203 is discharged from the water outlet pipe 204; the water distributor 101 is a two-layer water distribution pipeline, is positioned at the lower end of the anaerobic reactor body 2, is provided with nozzles with the diameter of 25mm, and is provided with 2 sand discharge pipes 3. The top of the anaerobic reactor body 2 is also provided with a biogas treatment device 4, the biogas treatment device 4 comprises a biogas pipeline 400 and a biogas pressure stabilizing cabinet 401, and the biogas pressure stabilizing cabinet 401 is communicated with the anaerobic reactor body 2 through the biogas pipeline 400.
The working process is as follows:
the sewage passes through the water pump 100 and then reaches the water distributor 101 through the pipeline 102, the water distributor 101 uniformly distributes the sewage and sends the sewage into the anaerobic reactor body 2, COD in the sewage and the three-phase separator 203 at the upper half part of the anaerobic reactor body 2 carry out solid-liquid-gas three-phase separation on the sewage after reaction through the three-phase separator 203, and the separated liquid is discharged through the water outlet pipe 204 for subsequent treatment; the separated marsh gas is conveyed to a marsh gas pressure stabilizing cabinet 401 through a marsh gas pipeline 400, and the marsh gas in the marsh gas pressure stabilizing cabinet 401 can be conveyed to a boiler to be combusted and generated after reaching a certain pressure, so that the waste of energy is avoided; the solid separated by the three-phase separator 203 is settled below the anaerobic reactor body 2 by means of self gravity, and the separated solid is mainly anaerobic granular sludge and continues to react with sewage after settling. Because the high-concentration calcium ion sewage is treated, the anaerobic sludge is easy to calcify, the calcified sludge is heavier than that before calcification and can be deposited at the bottom of the anaerobic reactor, and finally the sludge is discharged out of the anaerobic reactor through the sand discharge pipeline 3.
Example 2
Referring to fig. 1, in another embodiment, an anaerobic reactor for high-concentration calcium ions includes a water pump 100, a water distributor 101, a pipeline 102, an anaerobic reactor body 2, a sand discharge pipe 3, a biogas pipeline 400 and a biogas pressure stabilizing cabinet 401, the water pump 100 is arranged at the front end of the anaerobic reactor, and the water pump 100 and the water distributor 101 are connected through the pipeline 102; the anaerobic reactor 2 comprises an upper half part 201 and a lower half part 202, wherein the upper half part 201 is cylindrical, the lower half part 202 is conical, the water distributor is arranged in the lower half part 202, a three-phase separator 203 and a water outlet pipe 204 are also arranged in the upper half part 201, the three-phase separator 203 is used for gas-liquid-solid three-phase separation of sewage, and liquid separated by the three-phase separator 203 is discharged from the water outlet pipe 204; the water distributor 101 is a three-layer water distribution pipeline, is positioned at the lower end of the anaerobic reactor body 2, is provided with nozzles with the diameter of 50mm, and is provided with 3 sand discharge pipes 3. The top of the anaerobic reactor body 2 is also provided with a biogas treatment device 4, the biogas treatment device 4 comprises a biogas pipeline 400 and a biogas pressure stabilizing cabinet 401, and the biogas pressure stabilizing cabinet 401 is communicated with the anaerobic reactor body 2 through the biogas pipeline 400.
The present embodiment is only for further explanation of the present invention, and is not a limitation of the present invention, and those skilled in the art can make various inventive modifications to the present embodiment as needed after reading the present specification, but all of them are protected by patent law within the scope of the present invention.
Claims (5)
1. An anaerobic reactor aiming at high-concentration calcium ions comprises a water inlet device (1), an anaerobic reactor body (2) and a sand discharge pipe (3), and is characterized in that the water inlet device comprises a water pump (100), a water distributor (101) and a pipeline (102), wherein the water pump (100) and the water distributor (101) are connected through the pipeline (102) and are used for feeding water into the anaerobic reactor body (2); the water distributor (101) is a multilayer water distribution pipeline, is positioned at the lower end of the anaerobic reactor body (2), is provided with nozzles, and is provided with at least 2 sand discharge pipes (3), and the sand discharge pipes (3) are uniformly distributed below the water distributor (101).
2. An anaerobic reactor aiming at high concentration of calcium ions according to claim 1, characterized in that the nozzle is a large channel nozzle with a diameter of 25-50 mm.
3. An anaerobic reactor aiming at high concentration of calcium ions, according to claim 1, characterized in that the anaerobic reactor body comprises an upper half part (201) and a lower half part (202), the upper half part (201) is cylindrical, and the lower half part (202) is conical.
4. An anaerobic reactor aiming at high concentration calcium ions according to claim 3, characterized in that the upper half part of the anaerobic reactor body (2) is further provided with a three-phase separator (203) and a water outlet pipe (204), and the three-phase separator (203) is used for gas-liquid-solid three-phase separation of sewage.
5. An anaerobic reactor aiming at high-concentration calcium ions according to any one of claims 1 to 4, characterized in that a biogas treatment device (4) is further arranged on the top of the anaerobic reactor body (2), the biogas treatment device (4) comprises a biogas pipeline (400) and a biogas pressure-stabilizing cabinet (401), and the biogas pressure-stabilizing cabinet (401) is communicated with the anaerobic reactor body (2) through the biogas pipeline (400).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111675318A (en) * | 2020-06-10 | 2020-09-18 | 浙江大学 | Method for treating high-calcium wastewater by using anaerobic granular sludge device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111675318A (en) * | 2020-06-10 | 2020-09-18 | 浙江大学 | Method for treating high-calcium wastewater by using anaerobic granular sludge device |
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