CN110577282A - Upflow anaerobic treatment system - Google Patents
Upflow anaerobic treatment system Download PDFInfo
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- CN110577282A CN110577282A CN201910979168.4A CN201910979168A CN110577282A CN 110577282 A CN110577282 A CN 110577282A CN 201910979168 A CN201910979168 A CN 201910979168A CN 110577282 A CN110577282 A CN 110577282A
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- pipe
- upflow anaerobic
- anaerobic fermentation
- fermentation tank
- connecting pipe
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- 238000000855 fermentation Methods 0.000 claims abstract description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 238000005273 aeration Methods 0.000 claims description 6
- 230000007306 turnover Effects 0.000 claims 1
- 239000010802 sludge Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2846—Anaerobic digestion processes using upflow anaerobic sludge blanket [UASB] reactors
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention relates to the technical field of anaerobic nitrification, in particular to an upflow anaerobic treatment system, which comprises an upflow anaerobic fermentation tank, wherein the top of the upflow anaerobic fermentation tank is provided with a sealing cover, a three-phase separator is arranged in the upflow anaerobic fermentation tank, an anaerobic water inlet and outlet structure and an air pipe heating structure are connected to the upflow anaerobic fermentation tank, and the air pipe heating structure heats liquid in the upflow anaerobic fermentation tank. Through set up air pipe heating structure at STREAMING anaerobic fermentation jar, the air pipe leads to high-speed air and produces heat energy and heat up STREAMING anaerobic fermentation jar interior liquid based on the principle of pneumatic heating in to improve whole work efficiency, solved current STREAMING anaerobic treatment system and not set up the intensification structure, lead to the interior temperature of STREAMING anaerobic fermentation jar on the low side, whole work efficiency is not good enough problem.
Description
Technical Field
the invention relates to the technical field of anaerobic nitrification, in particular to an upflow anaerobic treatment system.
Background
The anaerobic biological treatment process is also called anaerobic digestion, and is characterized by that under the anaerobic condition several microorganisms can make organic material be decomposed and produce CH4And CO2The whole process is completed by using an upflow anaerobic treatment system in the organic sewage treatment.
Chinese patent publication No. CN208532379U discloses an upflow anaerobic reactor, which realizes effective separation of sludge, wastewater and biogas by a built-in three-phase separator, but requires a proper temperature during anaerobic activity of microorganisms, and the conventional upflow anaerobic treatment system is not provided with a temperature raising structure, resulting in a low temperature in an upflow anaerobic fermentation tank and poor overall working efficiency.
Disclosure of Invention
The invention provides an upflow anaerobic treatment system, aiming at the problems that the temperature in an upflow anaerobic fermentation tank is low and the overall working efficiency is poor because the existing upflow anaerobic treatment system is not provided with a heating structure.
The technical scheme is that the upflow anaerobic treatment system comprises an upflow anaerobic fermentation tank, a sealing cover is arranged at the top of the upflow anaerobic fermentation tank, a three-phase separator is arranged in the upflow anaerobic fermentation tank, an anaerobic water inlet and outlet structure and an air pipe heating structure are connected to the upflow anaerobic fermentation tank, and the air pipe heating structure heats liquid in the upflow anaerobic fermentation tank.
Furthermore, the anaerobic water inlet and outlet structure comprises an anaerobic water outlet pipe, an overflow pipe, a water inlet main pipe and an anaerobic water inlet pipe, the anaerobic water outlet pipe is communicated with one side of the upper part of the upflow anaerobic fermentation tank, the water inlet main pipe is communicated with the overflow pipe and the anaerobic water inlet pipe respectively, one end of the overflow pipe penetrates through the sealing cover and is inserted into the upflow anaerobic fermentation tank, and one end of the anaerobic water inlet pipe penetrates through the sealing cover and the three-phase separator and is inserted into the upflow.
Optionally, the anaerobic water inlet pipe is positioned at one end of the upflow anaerobic fermentation tank, and the end part of the anaerobic water inlet pipe is connected with a liquid distributor.
Optionally, a water pump is arranged on the anaerobic water inlet pipe.
Further, the air pipe heating structure comprises a fan air inlet pipe, a fan air outlet pipe, a first connecting pipe, a second connecting pipe, an air ejector, a third connecting pipe and a fourth connecting pipe, the fourth connecting pipe is located in the upflow anaerobic fermentation tank and is of a U-shaped structure, one end of the fourth connecting pipe penetrates through the three-phase separator and the sealing cover to be connected with one end of the fan air inlet pipe, the other end of the fourth connecting pipe penetrates through the three-phase separator and the sealing cover to be connected with one end of the fan air outlet pipe, one end of the first connecting pipe is communicated with the fan air inlet pipe, the other end of the first connecting pipe is communicated with the air ejector, one end of the second connecting pipe penetrates through the sealing cover to be communicated with the interior of the upflow anaerobic fermentation tank, the other end of the second.
Optionally, a part of the fourth connecting pipe located below the three-phase separator is provided with a first spiral section and a second spiral section, and the first spiral section and the second spiral section are symmetrical to each other.
Optionally, the three-phase separator includes a first three-phase separator and a second three-phase separator, the first three-phase separator is located above the second three-phase separator, and a gap exists between the two three-phase separators.
The beneficial effects of the invention at least comprise one of the following;
1. Through set up air pipe heating structure at upflow anaerobic fermentation jar, logical high-speed air produces heat energy and heats the interior liquid of upflow anaerobic fermentation jar based on the principle of pneumatic heating in the air pipe to improve whole work efficiency.
2. By arranging the anaerobic water inlet and outlet structure in the upflow anaerobic fermentation tank, the dynamic balance regulation and control of the liquid in the upflow anaerobic fermentation tank are realized.
3. The air ejector is arranged in the air pipe heating structure, the balance partial pressure in the upflow anaerobic fermentation tank is reduced based on the air ejector, so that the overall working efficiency is improved, and meanwhile, CO generated by the air ejector2And providing a carbon source for the nitrification system of the aeration tank.
4. The problem of current upflow anaerobic treatment system not set up the intensification structure, lead to in the upflow anaerobic fermentation tank temperature on the low side, whole work efficiency is not good enough is solved.
Drawings
FIG. 1 is a schematic diagram of an upflow anaerobic treatment system;
FIG. 2 is a schematic view of another upflow anaerobic treatment system;
FIG. 3 is a schematic view of a spiral segment structure;
Labeled as: 1 is an upflow anaerobic fermentation tank, 2 is a sealing cover, 3 is an anaerobic water outlet pipe, 4 is a three-phase separator, 401 is a first three-phase separator, 402 is a second three-phase separator, 5 is a liquid distributor, 6 is a fan air inlet pipe, 7 is a fan air outlet pipe, 8 is an overflow pipe, 9 is a water inlet main pipe, 10 is a water pump, 11 is an anaerobic water inlet pipe, 12 is an air ejector, 13 is a first connecting pipe, 14 is a second connecting pipe, 15 is a third connecting pipe, 16 is an air outlet pipe, 17 is a bottom liquid discharge pipe, 18 is a silt discharge pipe, 19 is a first spiral section, 20 is a second spiral section, and 21 is a fourth connecting pipe.
Detailed Description
in order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the present invention will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the scope of the invention.
As shown in figure 1, the upflow anaerobic treatment system comprises an upflow anaerobic fermentation tank 1, a sealing cover 2 is arranged at the top of the upflow anaerobic fermentation tank 1, a three-phase separator 4 is arranged in the upflow anaerobic fermentation tank 1, wherein an anaerobic water inlet and outlet structure and an air pipe heating structure are connected to the upflow anaerobic fermentation tank 1, and the air pipe heating structure heats liquid in the upflow anaerobic fermentation tank 1.
In use, the air pipe heating structure is arranged in the upflow anaerobic fermentation tank, high-speed air is introduced into the air pipe to generate heat energy based on the principle of pneumatic heating so as to heat liquid in the upflow anaerobic fermentation tank, and therefore the overall working efficiency is improved. By arranging the anaerobic water inlet and outlet structure in the upflow anaerobic fermentation tank, the liquid in the upflow anaerobic fermentation tank is dynamically balanced and adjustedAnd (5) controlling. The air ejector is arranged in the air pipe heating structure, the balance partial pressure in the upflow anaerobic fermentation tank is reduced based on the air ejector, so that the overall working efficiency is improved, and meanwhile, CO generated by the air ejector2And providing a carbon source for the nitrification system of the aeration tank. The problem of current upflow anaerobic treatment system not set up the intensification structure, lead to in the upflow anaerobic fermentation tank temperature on the low side, whole work efficiency is not good enough is solved.
In this embodiment, the anaerobic water inlet and outlet structure includes an anaerobic water outlet pipe 3, an overflow pipe 8, a water inlet main pipe 9 and an anaerobic water inlet pipe 11, the anaerobic water outlet pipe 3 is communicated with one side of the upper part of the upflow anaerobic fermentation tank 1, the water inlet main pipe 9 is respectively communicated with the overflow pipe 8 and the anaerobic water inlet pipe 11, one end of the overflow pipe 8 penetrates through the sealing cover 2 and is inserted into the upflow anaerobic fermentation tank 1, and one end of the anaerobic water inlet pipe 11 penetrates through the sealing cover 2 and the three-phase separator 4 and is inserted into.
When the device is used, liquid to be subjected to upflow anaerobic treatment enters the upflow anaerobic fermentation tank from the water inlet main pipe through the anaerobic water inlet pipe, is discharged from the anaerobic water outlet pipe after being separated by the three-phase separator, and the redundant liquid flows back to the anaerobic water inlet pipe from the overflow pipe again to complete the whole circulation, so that the dynamic balance regulation and control of the liquid in the upflow anaerobic fermentation tank are realized.
in this embodiment, the anaerobic water inlet pipe 11 is located at one end of the upflow anaerobic fermentation tank 1, the end part is connected with the liquid distributor 5, and the anaerobic water inlet pipe 11 is provided with the water pump 10.
In the use, can increase the entering area that waits that the liquid of STREAMING anaerobic treatment gets into in the STREAMING anaerobic fermentation jar through setting up the liquid distributor, can make it distribute more evenly, set up the velocity of flow that the water pump can increase liquid in the anaerobism inlet tube simultaneously on the anaerobism inlet tube.
In this embodiment, the air pipe heating structure comprises a blower inlet pipe 6, a blower outlet pipe 7, a first connecting pipe 13, a second connecting pipe 14, an air ejector 12, a third connecting pipe 15 and a fourth connecting pipe 21, the fourth connecting pipe 21 is located in the upflow anaerobic fermentation tank 1, and is of a U-shaped structure, one end of the U-shaped U, and is communicated with the interior of the upflow anaerobic fermentation tank 1, the other end of the second connecting pipe 14 is communicated with the air ejector 12, one end of the third connecting pipe 15 is communicated with the air ejector 12, and the other end of the third connecting pipe 15 is communicated with the aeration tank.
In the air pipe heating structure, the high-speed air is sleeved in the air inlet pipe of the fan, heat energy is generated based on the principle of pneumatic heating, and because the two ends of the fourth connecting pipe are respectively connected with the air inlet pipe and the air outlet pipe of the fan, the air with certain heat energy passes through the upflow anaerobic fermentation tank through the fourth connecting pipe, and heats liquid in the upflow anaerobic fermentation tank, so that the activity of anaerobic microorganisms in the upflow anaerobic fermentation tank is favorably improved, and the working efficiency of the whole system is improved.
And the fourth connecting pipe is of a U-shaped structure, so that the contact area between the fourth connecting pipe and the inner space of the upflow anaerobic fermentation tank can be increased, and the pipe pressure in the fourth connecting pipe can be equally shared.
Meanwhile, a part of high-speed air enters the air ejector from the first connecting pipe, the air ejector is connected with the inside of the upflow anaerobic fermentation tank through the second connecting pipe and is communicated with the aeration tank through the third connecting pipe, and CO generated by nitration reaction in the upflow anaerobic fermentation tank2The carbon source is supplied by being guided into the aeration tank through the third connecting pipe, and meanwhile, the balanced partial pressure in the upflow anaerobic fermentation tank can be reduced by high-speed gas.
As shown in fig. 2 and 3, a portion of the fourth connection pipe 21 located below the three-phase separator 4 in the present embodiment is provided with a first spiral section 19 and a second spiral section 20, and the first spiral section 19 and the second spiral section 20 are symmetrical to each other.
In use, the first spiral section and the second spiral section can further increase the contact area between the fourth connecting pipe and the inner space of the upflow anaerobic fermentation tank, thereby being beneficial to the exchange of heat energy.
in the present embodiment, the three-phase separator 4 includes a first three-phase separator 401 and a second three-phase separator 402, the first three-phase separator 401 is located above the second three-phase separator 402, and a gap exists between the two three-phase separators.
It should be noted that, for the stability of the whole upflow anaerobic treatment system, there is also an air outlet pipe 16 on the cover, there is a necessary valve on the air outlet pipe 16, in use, one skilled in the art can adjust the air pressure in the whole upflow anaerobic fermentation tank dynamically by adjusting the opening and/or closing of the valve, there are also a bottom drain pipe 17 and a sludge discharge pipe 18 on the bottom of the upflow anaerobic fermentation tank, wherein, there is a necessary valve on the bottom drain pipe 17, one skilled in the art can discharge the liquid at the bottom of the upflow anaerobic fermentation tank by adjusting the opening and/or closing of the valve in some situations, after the whole upflow anaerobic fermentation tank works for a long time, sludge energy impurities are easily accumulated at the bottom, and can be discharged through the sludge discharge pipe 18.
In the application, each pipeline is detachably connected with the sealing cover, the upflow anaerobic fermentation tank, the air ejector and other structures, so that the pipeline or equipment can be conveniently replaced in daily maintenance.
Claims (7)
1. The upflow anaerobic treatment system comprises an upflow anaerobic fermentation tank (1), wherein a sealing cover (2) is arranged at the top of the upflow anaerobic fermentation tank (1), and a three-phase separator (4) is arranged in the upflow anaerobic fermentation tank (1), and is characterized in that: the upflow anaerobic fermentation tank (1) is connected with an anaerobic water inlet and outlet structure and an air pipe heating structure, and the air pipe heating structure heats liquid in the upflow anaerobic fermentation tank (1).
2. An upflow anaerobic treatment system as in claim 1, in which: anaerobism business turn over water structure includes anaerobism outlet pipe (3), overflow pipe (8), inlet manifold (9) and anaerobism inlet tube (11), anaerobism outlet pipe (3) and upflow anaerobic fermentation jar (1) upper portion one side intercommunication, inlet manifold (9) communicate with overflow pipe (8) and anaerobism inlet tube (11) respectively, overflow pipe (8) one end is passed closing cap (2) and is inserted in upflow anaerobic fermentation jar (1), anaerobism inlet tube (11) one end is passed closing cap (2) and three phase separator (4) and is inserted in upflow anaerobic fermentation jar (1).
3. An upflow anaerobic treatment system as in claim 2, in which: the anaerobic water inlet pipe (11) is positioned at one end in the upflow anaerobic fermentation tank (1), and the end part is connected with a liquid distributor (5).
4. An upflow anaerobic treatment system as in claim 3, in which: the anaerobic water inlet pipe (11) is provided with a water pump (10).
5. An upflow anaerobic treatment system as in claim 4, in which: the air pipe heating structure comprises a fan air inlet pipe (6), a fan air outlet pipe (7), a first connecting pipe (13), a second connecting pipe (14), an air ejector (12), a third connecting pipe (15) and a fourth connecting pipe (21), wherein the fourth connecting pipe (21) is positioned in the upflow anaerobic fermentation tank (1) and is of a U-shaped structure, one end of the fourth connecting pipe passes through the three-phase separator (4) and the sealing cover (2) to be connected with one end of the fan air inlet pipe (6), the other end of the fourth connecting pipe (21) passes through the three-phase separator (4) and the sealing cover (2) to be connected with one end of the fan air outlet pipe (7), one end of the first connecting pipe (13) is communicated with the fan air inlet pipe (6), the other end of the first connecting pipe (13) is communicated with the air ejector (12), one end of the second connecting pipe (14) passes through the sealing cover (2) to be communicated, the other end of the second connecting pipe (14) is communicated with the air ejector (12), one end of the third connecting pipe (15) is communicated with the air ejector (12), and the other end of the third connecting pipe (15) is communicated with the aeration tank.
6. An upflow anaerobic treatment system as in claim 5, in which: the part of the fourth connecting pipe (21) below the three-phase separator (4) is provided with a first spiral section (19) and a second spiral section (20), and the first spiral section (19) and the second spiral section (20) are symmetrical to each other.
7. An upflow anaerobic treatment system as in claim 1, in which: the three-phase separator (4) comprises a first three-phase separator (401) and a second three-phase separator (402), the first three-phase separator (401) is positioned above the second three-phase separator (402), and a gap exists between the two three-phase separators.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910979168.4A CN110577282A (en) | 2019-10-15 | 2019-10-15 | Upflow anaerobic treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910979168.4A CN110577282A (en) | 2019-10-15 | 2019-10-15 | Upflow anaerobic treatment system |
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| CN110577282A true CN110577282A (en) | 2019-12-17 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102153195A (en) * | 2011-03-04 | 2011-08-17 | 南昌大学 | Novel up-flow anaerobic sludge blanket for treating wastewater of pig farm |
| KR101619456B1 (en) * | 2015-10-21 | 2016-05-18 | 이상환 | Microorganism fermentation device |
| CN205241340U (en) * | 2015-11-18 | 2016-05-18 | 天津市三江科技有限公司 | A small -size UASB reaction unit for high concentration organic wastewater |
| CN205382011U (en) * | 2015-12-31 | 2016-07-13 | 武汉泰昌源环保科技有限公司 | Tic anaerobic reactor |
| CN105890206A (en) * | 2014-10-23 | 2016-08-24 | 重庆奥格美气体有限公司 | Pneumatic gas heating device and gas heating method |
| CN205773619U (en) * | 2016-05-26 | 2016-12-07 | 江苏国松环境科技开发有限公司 | A kind of high efficiency anaerobic reactor |
| CN210885511U (en) * | 2019-10-15 | 2020-06-30 | 怡灏环境技术有限公司 | Upflow anaerobic treatment system |
-
2019
- 2019-10-15 CN CN201910979168.4A patent/CN110577282A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102153195A (en) * | 2011-03-04 | 2011-08-17 | 南昌大学 | Novel up-flow anaerobic sludge blanket for treating wastewater of pig farm |
| CN105890206A (en) * | 2014-10-23 | 2016-08-24 | 重庆奥格美气体有限公司 | Pneumatic gas heating device and gas heating method |
| KR101619456B1 (en) * | 2015-10-21 | 2016-05-18 | 이상환 | Microorganism fermentation device |
| CN205241340U (en) * | 2015-11-18 | 2016-05-18 | 天津市三江科技有限公司 | A small -size UASB reaction unit for high concentration organic wastewater |
| CN205382011U (en) * | 2015-12-31 | 2016-07-13 | 武汉泰昌源环保科技有限公司 | Tic anaerobic reactor |
| CN205773619U (en) * | 2016-05-26 | 2016-12-07 | 江苏国松环境科技开发有限公司 | A kind of high efficiency anaerobic reactor |
| CN210885511U (en) * | 2019-10-15 | 2020-06-30 | 怡灏环境技术有限公司 | Upflow anaerobic treatment system |
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