CN112209576A - Rural domestic sewage treatment system suitable for low temperature condition - Google Patents
Rural domestic sewage treatment system suitable for low temperature condition Download PDFInfo
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- CN112209576A CN112209576A CN202011188121.5A CN202011188121A CN112209576A CN 112209576 A CN112209576 A CN 112209576A CN 202011188121 A CN202011188121 A CN 202011188121A CN 112209576 A CN112209576 A CN 112209576A
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- 239000010865 sewage Substances 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 130
- 238000005352 clarification Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 8
- 244000005700 microbiome Species 0.000 description 6
- 239000004576 sand Substances 0.000 description 5
- 239000000284 extract Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Microbiology (AREA)
- Environmental & Geological Engineering (AREA)
- Biodiversity & Conservation Biology (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Sewage (AREA)
Abstract
The invention discloses a rural domestic sewage treatment system suitable for a low water temperature condition, which comprises a geothermal water supply system, a heat pump unit, a hot water pool circulating system and a biochemical pool, wherein the geothermal water supply system is used for circularly providing geothermal water, the hot water pool circulating system is used for circularly providing heat for the biochemical pool, and the heat pump unit is used for extracting geothermal energy of the geothermal water supply system and transmitting the geothermal energy to the hot water pool circulating system.
Description
Technical Field
The invention relates to the field of sewage treatment, in particular to a rural domestic sewage treatment system suitable for a low water temperature condition.
Background
The problem of water pollution exists in rural areas in China, one reason is that due to random discharge of domestic sewage, the rural domestic sewage contains a large amount of organic matters and is directly discharged into other water bodies, so that the consequences of massive multiplication of algae in the water bodies, eutrophication of the water bodies, emission of foul odor and the like are caused, and therefore a domestic sewage treatment system is required to be established in the rural areas.
The common domestic sewage treatment system comprises a biochemical tank, wherein the biochemical tank mainly converts pollutants in the wastewater into inorganic substances and other harmless substances by utilizing the metabolism of microorganisms, so that a plurality of microorganisms are arranged in the biochemical tank, the activity of the microorganisms is easily influenced by temperature, and in cold regions, the activity of the microorganisms is reduced due to the fact that the water temperature is too low, so that the sewage treatment efficiency is low, and the effect is poor.
Disclosure of Invention
The invention aims to provide a rural domestic sewage treatment system suitable for low water temperature conditions, wherein rural domestic sewage is dispersed to form a small biochemical pool, and the sewage treatment system for extracting heat of geothermal water to supply heat to the biochemical pool is adopted, so that the problems of low rural sewage treatment efficiency and poor effect under low water temperature conditions are solved.
In order to achieve the purpose, the invention adopts the following scheme: the utility model provides a rural domestic sewage treatment system suitable for low temperature condition, including geothermal water supply system, heat pump set, hot water pool circulation system and biochemical pond, geothermal water supply system is used for the circulation to provide geothermal water, hot water pool circulation system be used for to biochemical pond circulation provides the heat, heat pump set is used for drawing geothermal water supply system's geothermal energy and with geothermal energy transmission to hot water pool circulation system.
As a further scheme of the invention, the geothermal water supply system comprises a water supply well, a recharge well, a water taking pump and a water supply pipeline, wherein the water supply well, the water taking pump and the recharge well are sequentially communicated through the water supply pipeline.
As a further scheme of the invention, the hot water pool circulating system comprises a hot water pool, a circulating pipeline and a circulating hot water pump, a water inlet and a water outlet are arranged on the hot water pool, one end of the circulating pipeline is communicated with the water inlet, the other end of the circulating pipeline is communicated with the water outlet, the circulating hot water pump is arranged on the circulating pipeline, and the biochemical pool is arranged in the hot water pool.
As a further scheme of the invention, the heat pump unit comprises an evaporator, a compressor and a condenser which are sequentially connected, wherein the evaporator is connected in series with the water supply pipeline, and the condenser is connected in series with the circulating pipeline.
As a further scheme of the invention, a sand-settling device is further arranged in the geothermal water supply system, the sand-settling device is connected in series with the water supply pipe, and the sand-settling device is used for filtering sand and mud pumped out of the water supply well and preventing the sand and mud from damaging the water pump and the evaporator.
As a further scheme of the invention, a gas stripping area and a clarification area are arranged in the biochemical pool, the gas stripping area can push a water body to flow by taking air as power, and the clarification area is used for removing water-insoluble suspended matters in sewage.
In summary, compared with the prior art, the invention has the beneficial effects that: by arranging the geothermal water supply system, the heat pump unit and the hot water tank circulating system, geothermal energy can be extracted and transferred to the biochemical tank, so that microorganisms in the biochemical tank keep good activity, and the problems of poor sewage treatment effect and low efficiency at low water temperature are solved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view taken at a-a in fig. 1.
Fig. 3 is a cross-sectional view at B-B in fig. 1.
Fig. 4 is a cross-sectional view at C-C in fig. 1.
Description of reference numerals: 1. a geothermal water supply system; 11. a water supply well; 12. a water taking pump; 13. recharging the well; 14. a water supply pipeline; 15. a sand settling device; 2. a heat pump unit; 3. a hot water tank circulation system; 31. a hot water tank; 311. a water inlet; 312. a water outlet; 32. a circulating hot water pump; 33. a circulation pipe; 4. a biochemical pool; 41. a stripping zone; 42. a clarification zone.
Detailed Description
The following detailed description provides many different embodiments or examples for implementing the invention. Of course, these are merely embodiments or examples and are not intended to be limiting. In addition, repeated reference numbers, such as repeated numbers and/or letters, may be used in various embodiments. These iterations are for simplicity and clarity of describing the present invention and are not intended to represent a particular relationship between the various embodiments and/or configurations discussed.
Furthermore, spatially relative terms, such as "below" … "," below "," inside-out "," above "," upper "and the like, may be used herein to facilitate describing one element or feature's relationship to another element or feature during use or operation of the device, and may include different orientations of the device during use or operation of the device as illustrated in the figures. The devices may be rotated 90 degrees or other orientations from different orientations and the spatially relative descriptors used therein should be interpreted as such and are not to be construed as limiting the invention, and the terms "first" and "second" are used for descriptive purposes only and are not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
The invention will be further described with reference to the following description and embodiments in conjunction with the accompanying drawings: as shown in fig. 1 to 4, a rural domestic sewage treatment system suitable for low water temperature conditions comprises a geothermal water supply system 1, a heat pump unit 2, a hot water tank circulation system 3 and a biochemical tank 4, wherein:
geothermal water supply system 1 is including supplying water well 11, recharging well 13, water intaking pump 12, water supply pipe 14 and sand setting device 15, supply water well 11 water intaking pump 12 with recharging well 13 passes through water supply pipe 14 communicates in proper order, sand setting device 15 concatenations are located on the water supply pipe 14 water intaking pump (12) with between supplying water well (11) for filter out the silt of taking out from supplying water well 11, prevent to destroy water intaking pump 12.
The hot water pool circulating system 3 comprises a hot water pool 31, a circulating pipeline 33 and a circulating hot water pump 32, wherein a water inlet 311 and a water outlet 312 are arranged on the hot water pool 31, one end of the circulating pipeline 33 is communicated with the water inlet 311, the other end of the circulating pipeline 33 is communicated with the water outlet 312, and the circulating hot water pump 32 is arranged on the circulating pipeline 33;
the heat pump unit 2 comprises an evaporator, a compressor and a condenser which are connected in sequence, the evaporator is connected in series on the water supply pipeline 14, the condenser is connected in series on the circulating pipeline 33, the heat pump unit 2 is used for extracting heat of the water supply pipeline 14 to the circulating pipeline 33, and the biochemical pond 4 is arranged inside the hot water pond 31.
In addition, a gas stripping area 41 and a clarification area 42 are arranged in the biochemical pool 4, a gas stripping device which uses air as power to push water to flow is arranged in the gas stripping area 41, and the clarification area 42 is used for removing water-insoluble suspended matters in the sewage.
The working principle of the invention is as follows: the geothermal water supply system 1 continuously conveys geothermal water to a heat pump unit, the evaporator of the heat pump unit extracts heat of the geothermal water, the geothermal water is cooled and injected back to the recharging well 13, the heat is further lifted after being done by a compressor 22 and then released to a circulating pipeline 33 in a circulating system 3 of a hot water tank by a condenser, under the action of a circulating hot water pump 32, hot water in the circulating pipeline 33 enters the hot water tank 31, the hot water tank 31 exchanges heat with a biochemical tank 4, the heat is discharged from the hot water tank 31 and is absorbed by the condenser again to form circulation until the temperature of mixed liquid in the biochemical tank reaches a set temperature upper limit, then the efficiency of the heat pump unit is reduced, the heat is lost due to low temperature conditions outside the tank, the temperature is lower than the set temperature lower limit of the mixed liquid, and the efficiency.
The invention extracts low-grade heat energy which can not be directly utilized in the underground water by consuming a small amount of high-grade energy (electric energy), changes the low-grade heat energy into high-grade heat energy which can be directly utilized, and transmits the heat energy to the biochemical tank 4, so that the temperature of the biochemical tank 4 is within a set temperature, and microorganisms can keep good activity, thereby ensuring high sewage treatment efficiency and good effect.
While there have been shown and described the fundamental principles and principal features of the invention and advantages thereof, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are given by way of illustration of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a rural domestic sewage treatment system suitable for low temperature condition which characterized in that: including geothermal water supply system (1), heat pump set (2), hot-water tank circulation system (3) and biochemical pond (4), geothermal water supply system (1) is used for the circulation to provide geothermal water, hot-water tank circulation system (3) be used for to biochemical pond (4) circulation provides heat, heat pump set (2) are used for extracting geothermal energy of geothermal water supply system (1) and with geothermal energy transmission to hot-water tank circulation system (3).
2. The rural domestic sewage treatment system suitable for the low water temperature condition according to claim 1, wherein the geothermal water supply system (1) comprises a water supply well (11), a recharge well (13), a water intake pump (12) and a water supply pipeline (14), and the water supply well (11), the water intake pump (12) and the recharge well (13) are sequentially communicated through the water supply pipeline (14).
3. The rural domestic sewage treatment system suitable for the low water temperature condition according to claim 2, wherein the hot water tank circulation system (3) comprises a hot water tank (31), a circulation pipeline (33) and a circulation hot water pump (32), a water inlet (311) and a water outlet (312) are arranged on the hot water tank (31), one end of the circulation pipeline (33) is communicated with the water inlet (311), the other end of the circulation pipeline is communicated with the water outlet (312), the circulation hot water pump (32) is arranged on the circulation pipeline (33), and the biochemical tank (4) is arranged inside the hot water tank (31).
4. The rural domestic sewage treatment system suitable for the low water temperature condition according to claim 3, wherein the heat pump unit (2) comprises an evaporator (21), a compressor (22) and a condenser (23) which are connected in sequence, the evaporator (21) is connected in series to the water supply pipeline (14), and the condenser (23) is connected in series to the circulating pipeline (33).
5. A rural domestic sewage treatment system suitable for low water temperature conditions according to any of claims 1 to 4 wherein a sand-sinking device (15) is further provided in the geothermal water supply system (1), said sand-sinking device (15) being connected in series on the water supply pipe (14) between the water intake pump (12) and the water supply well (11).
6. The rural domestic sewage treatment system suitable for the low water temperature condition according to claim 1, wherein a stripping zone (41) and a clarification zone (42) are provided in the biochemical tank (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011188121.5A CN112209576A (en) | 2020-10-30 | 2020-10-30 | Rural domestic sewage treatment system suitable for low temperature condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011188121.5A CN112209576A (en) | 2020-10-30 | 2020-10-30 | Rural domestic sewage treatment system suitable for low temperature condition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112209576A true CN112209576A (en) | 2021-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011188121.5A Pending CN112209576A (en) | 2020-10-30 | 2020-10-30 | Rural domestic sewage treatment system suitable for low temperature condition |
Country Status (1)
| Country | Link |
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| CN (1) | CN112209576A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923604A (en) * | 2021-01-27 | 2021-06-08 | 广州博亚涛生态科技有限公司 | Pipeline heat transfer device and application method thereof |
| CN113603227A (en) * | 2021-08-09 | 2021-11-05 | 广州市水之道生态环境修复有限公司 | Self-circulation enhanced geothermal constructed wetland |
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| CN214032132U (en) * | 2020-10-30 | 2021-08-24 | 广西博亚涛环保科技有限公司 | Novel rural domestic sewage treatment system suitable for low water temperature area |
-
2020
- 2020-10-30 CN CN202011188121.5A patent/CN112209576A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1072010A (en) * | 1992-10-13 | 1993-05-12 | 上海桑菱环境能源研究所 | A kind of heat pump heating and cooling system |
| CN202688100U (en) * | 2012-06-12 | 2013-01-23 | 北京中冶迈克液压有限责任公司 | Sewage biochemical pool heating device |
| KR20160093873A (en) * | 2015-01-30 | 2016-08-09 | 김선철 | Waste heat recycling system based on constant temperature tank and heat pump |
| CN204689841U (en) * | 2015-06-02 | 2015-10-07 | 中国石油化工股份有限公司 | Low temperature environment oilfield sewage biochemical treatment experimental system |
| CN208843899U (en) * | 2018-07-19 | 2019-05-10 | 广东益康生环保科技有限公司 | A kind of breeding wastewater constant temperature biochemical treatment system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923604A (en) * | 2021-01-27 | 2021-06-08 | 广州博亚涛生态科技有限公司 | Pipeline heat transfer device and application method thereof |
| CN112923604B (en) * | 2021-01-27 | 2021-11-05 | 广州博亚涛生态科技有限公司 | Pipeline heat transfer device and application method thereof |
| CN113603227A (en) * | 2021-08-09 | 2021-11-05 | 广州市水之道生态环境修复有限公司 | Self-circulation enhanced geothermal constructed wetland |
| CN113603227B (en) * | 2021-08-09 | 2022-03-25 | 广州市水之道生态环境修复有限公司 | Self-circulation enhanced geothermal constructed wetland |
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Effective date of registration: 20210223 Address after: 510000 Room 308, building 1, 68 Nanxiang 1st Road, Huangpu District, Guangzhou City, Guangdong Province (office only) Applicant after: Guangzhou boyatao Ecological Technology Co.,Ltd. Address before: 543000 rental office of Cangwu Wangfu Industrial Town Development Co., Ltd., Daxin group, Wangfu village, Wangfu Town, Cangwu County, Wuzhou City, Guangxi Zhuang Autonomous Region Applicant before: Guangxi boyatao Environmental Protection Technology Co.,Ltd. |
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Application publication date: 20210112 |
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