CN113387537B - Rural domestic sewage treatment equipment with low-temperature operation and high-efficiency treatment - Google Patents
Rural domestic sewage treatment equipment with low-temperature operation and high-efficiency treatment Download PDFInfo
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- CN113387537B CN113387537B CN202110604316.1A CN202110604316A CN113387537B CN 113387537 B CN113387537 B CN 113387537B CN 202110604316 A CN202110604316 A CN 202110604316A CN 113387537 B CN113387537 B CN 113387537B
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- cross beam
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/18—Treatment of sludge; Devices therefor by thermal conditioning
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- 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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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/02—Temperature
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to rural domestic sewage treatment equipment with low-temperature operation and high-efficiency treatment, which comprises a treatment pool filled with activated sludge for treating sewage, a heat insulation component and a heating component, wherein the heat insulation component is arranged on the treatment pool; the heat insulation assembly comprises a cross beam and cover plates oppositely arranged on two sides of the cross beam, the cover plates are rotatably connected with the cross beam, the cross beam is connected with an opening above the treatment pool, and the rotation paths of the two cover plates cover the opening so as to open and close the opening; the heating assembly is fixedly arranged below the cover plate, and a moving path of a heating end of the heating assembly covers the inner space of the treatment tank so as to heat activated sludge; the problems of large volume and high cost of heat preservation equipment for heating and preserving heat of sludge at low temperature are solved.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to rural domestic sewage treatment equipment which runs at a low temperature and efficiently treats sewage.
Background
The rural domestic sewage treatment is to remove and degrade harmful substances and polluted environment components in the domestic sewage for harmless treatment. The rural domestic sewage treatment mainly considers selecting mature and reliable technology which is suitable for rural characteristics and practical sewage treatment. The rural sewage treatment can neutralize the agricultural products according to the actual conditions, thereby achieving the purposes of recycling, environmental protection, degradation and discharge.
The activated sludge method is more commonly used in sewage treatment plants in China at present, is a sewage treatment process with high use frequency, has relatively strong water treatment capacity, and has good water quality of treated water. Mainly removes water and organic matters and removes nitrogen and phosphorus through the metabolism of the microorganism to purify the sewage, and the activity of the life movement of the microorganism plays an important role in the treatment effect.
In the lower region of temperature, the low temperature can lead to the microbial activity in the mud to reduce, leads to the nowel hydraulic efficiency not high, at present, establishes a thermal-insulation shed through covering on the processing pond mostly to guarantee the temperature of mud through the such heat preservation equipment of heating device.
However, the existing heat preservation equipment has large volume and high cost and needs to be solved urgently.
Disclosure of Invention
In view of this, it is necessary to provide a rural domestic sewage treatment apparatus operating at a low temperature and performing efficient treatment, so as to solve the problems of large volume and high cost of a heat preservation apparatus for heating and preserving heat of sludge at a low temperature.
The invention provides rural domestic sewage treatment equipment with low-temperature operation and high-efficiency treatment, which comprises a treatment tank filled with activated sludge for treating sewage, a heat insulation component and a heating component, wherein the heat insulation component is arranged on the treatment tank; the heat insulation assembly comprises a cross beam and cover plates oppositely arranged on two sides of the cross beam, the cover plates are rotatably connected with the cross beam, the cross beam is connected with an opening above the treatment pool, and the rotation paths of the two cover plates cover the opening so as to open and close the opening; the heating assembly is fixedly arranged below the cover plate, and a moving path of a heating end of the heating assembly covers the inner space of the treatment tank so as to heat the activated sludge.
Further, the apron all has primary importance and second position, works as when the apron is located the primary importance, the bottom surface of apron with the bottom surface of crossbeam is located same horizontal plane, the extension of apron with the department of contradicting of the extension of the top surface of handling the pond sets up for sealing the opening, works as when the apron is located the second position, the apron sets up towards keeping away from open-ended direction and horizontal plane slope to supply to overhaul and/or change mud.
Furthermore, the crossbeam strides and locates the top of handling the pond, crossbeam and processing pond fixed connection, the both sides of crossbeam all via a plurality of hinges with the apron is rotated and is connected.
Furthermore, the heat preservation assembly further comprises a driving piece, and the output end of the driving piece is connected with the two cover plates so as to drive the two cover plates to synchronously rotate.
Further, the driving piece includes that the parallel is located horizontal pole, jacking piece, the pull rod with the apron one-to-one of crossbeam top and with the articulated seat of pull rod one-to-one, jacking piece is fixed to be located on the crossbeam, the output of jacking piece with the horizontal pole is connected, in order to supply the drive the horizontal pole removes along vertical direction, the one end of pull rod with the horizontal pole rotates to be connected, the other end of pull rod via the articulated seat that corresponds, with correspond the apron is articulated.
Furthermore, the number of the heating assemblies is multiple, and the heating assemblies are sequentially arranged along the length direction of the cross beam, are positioned on two sides of the cross beam and are fixed at the bottom of the cover plate;
the heating assembly comprises a hollow shell and a resistance wire heater, the shell is in a long strip shape and perpendicular to the cover plate, the top of the shell is fixedly connected with the cover plate, and the resistance wire heater is fixedly arranged in the shell and used for heating the surrounding area of the shell.
Further, the device also comprises a first water inlet assembly, wherein the first water inlet assembly is provided with a water outlet end communicated with the interior of the treatment pool, and a water inlet area formed by the water outlet end of the first water inlet assembly in the treatment pool covers the heating end of the heating assembly;
the first water inlet assembly comprises a return pipe and a plurality of nozzles, the return pipe is fixedly connected with the treatment tank, the extending direction of the return pipe is the same as that of the cross beam, the return pipe is provided with a water inlet communicated with sewage, the nozzles are arranged in sequence along the extending direction of the return pipe, one ends of the nozzles are communicated with the return pipe, and the other ends of the nozzles form a water inlet area.
Further, the equipment also comprises a stirring device, wherein the stirring device comprises two stirring ends which correspond to the cover plates one by one and are arranged in parallel, and the stirring ends are fixedly arranged in the treatment tank and are positioned below the corresponding cover plates so as to stir up sludge at the bottom of the treatment tank;
the stirring ends respectively comprise a rotating shaft and a stirring impeller, the length direction of the rotating shaft is the same as that of the cross beam, the rotating shaft is rotatably connected with the treatment tank, and the stirring impeller is arranged on the rotating shaft;
the inner bottom surface of the treatment tank is composed of two long-strip-shaped arc-shaped surfaces, the two arc-shaped surfaces correspond to the two stirring impellers one by one, the stirring impellers are located in the corresponding arc-shaped surfaces, the heating assembly is located between the two arc-shaped surfaces, and the rotating directions of the two stirring impellers are opposite.
Furthermore, the equipment also comprises a second water inlet assembly, wherein the second water inlet assembly is provided with two water inlet ends, the water inlet ends of the second water inlet assembly correspond to the stirring impellers one by one, one end of the water inlet end of the second water inlet assembly is externally connected with sewage, the other end of the water inlet end of the second water inlet assembly is communicated with the arc-shaped surface where the corresponding stirring impeller is located, and the water inlet direction is tangential to the rotating direction of the corresponding stirring impeller;
and the water inlet ends of the second water inlet assemblies are provided with check valves.
Furthermore, the equipment also comprises a water outlet assembly, wherein one end of the water outlet assembly is communicated with the treatment tank, and the other end of the water outlet assembly is externally connected with clean water.
Compared with the prior art, including the crossbeam and locate the apron of crossbeam both sides relatively through setting up the heat preservation subassembly, the apron all rotates with the crossbeam to be connected, the crossbeam is connected with the opening part of the top of handling the pond, the rotation route of two laps covers the opening, for the switching opening, the fixed below of locating the apron of heating element, the inner space of handling the pond is covered in the motion route of heating element's heating end, for heating activated sludge, traditional heat preservation shed formula's heat preservation equipment has been replaced, the equipment structure is simple, small, low cost, can extensively use, promote.
Drawings
FIG. 1 is a schematic structural diagram of an integral rural domestic sewage treatment apparatus which operates at low temperature and efficiently treats the sewage in the embodiment of the invention;
FIG. 2 is a schematic view of the internal structure of a treatment tank in this embodiment of a rural domestic sewage treatment facility operating at low temperature and treating efficiently according to the present invention;
FIG. 3 is a schematic structural diagram of a heating assembly in the embodiment of the rural domestic sewage treatment equipment with low-temperature operation and high-efficiency treatment provided by the invention;
FIG. 4 is a schematic structural diagram of a first water inlet assembly in the embodiment of the rural domestic sewage treatment equipment with low-temperature operation and high-efficiency treatment provided by the invention.
Detailed Description
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.
As shown in fig. 1, the rural domestic sewage treatment equipment with low temperature operation and high efficiency treatment in the embodiment includes a treatment tank 100 filled with activated sludge for treating sewage, a heat preservation assembly 200 and a heating assembly 300, wherein the heat preservation assembly 200 is a plate-shaped structure and is disposed on the treatment tank 100, so as to reduce the volume of the heat preservation structure, and the heating assembly 300 heats the sludge inside the treatment tank 100, so as to maintain effective activity of the sludge, which will be explained and explained in more detail below.
As shown in fig. 1, the heat-insulating assembly 200 in this embodiment includes a cross beam 210 and cover plates 220 oppositely disposed on two sides of the cross beam 210, wherein the cover plates 220 are rotatably connected to the cross beam 210, the cross beam 210 is connected to an opening above the treatment tank 100, and the rotation paths of the two cover plates 220 cover the opening for opening and closing the opening.
For easy understanding, the cover plates 220 each have a first position and a second position, when the cover plate 220 is located at the first position, the bottom surface of the cover plate 220 and the bottom surface of the cross beam 210 are located on the same horizontal plane, the extension of the cover plate 220 is abutted against the extension of the top surface of the treatment tank 100 to close the opening, and when the cover plate 220 is located at the second position, the cover plate 220 is inclined with the horizontal plane in the direction away from the opening to repair and/or replace sludge.
In this embodiment, the cross beam 220 spans over the treatment tank 100, the cross beam 220 is fixedly connected to the treatment tank 100, and both sides of the cross beam 210 are rotatably connected to the cover plate 220 via a plurality of hinges.
In order to facilitate the rotation of the two cover plates 220, the heat preservation assembly 200 in this embodiment further includes a driving member 230, and an output end of the driving member 230 is connected to the two cover plates 220, so as to drive the two cover plates 220 to rotate synchronously.
Specifically, as shown in fig. 2, the driving member 230 includes a cross bar 231, a jacking member 232, a pull rod 233 corresponding to the cover plate 220 one by one, and a hinge seat 234 corresponding to the pull rod 233 one by one, the jacking member 232 is fixedly disposed on the cross bar 210, an output end of the jacking member 232 is connected to the cross bar 231 for driving the cross bar 231 to move along the vertical direction, one end of the pull rod 233 is rotatably connected to the cross bar 231, and the other end of the pull rod 233 is hinged to the cover plate 220 via the corresponding hinge seat 234.
It can be understood that the jacking member 232 is an electric push rod, the number of the electric push rods is multiple, and the electric push rods are sequentially arranged along the length direction of the cross beam 210, of course, the driving member 230 may also be replaced by other structures as long as the function of driving the two cover plates 220 to synchronously rotate is realized.
The heating unit 300 in this embodiment is fixedly disposed below the cover plate 220, and a moving path of a heating end of the heating unit 300 covers an inner space of the treatment tank 100, so as to heat activated sludge.
In order to heat the sludge in the treatment tank 100 uniformly, the number of the heating assemblies 300 in this embodiment is multiple, and the multiple heating assemblies 300 are sequentially arranged along the length direction of the cross beam 210, are located on both sides of the cross beam 210, and are fixed to the bottom of the cover plate 220.
As shown in fig. 3, the heating assembly 300 includes a hollow housing 310 and a resistance wire heater 320, the housing 310 is in a shape of a strip and is perpendicular to the cover plate 220, the top of the housing 310 is fixedly connected to the cover plate 220, and the resistance wire heater 320 is fixedly disposed inside the housing 310 to heat the surrounding area of the housing 310, so as to heat sludge.
In order to make the heating element 300 effectively heat the sludge, the apparatus in this embodiment further comprises a first water inlet element 400, the first water inlet element 400 has a water outlet end communicated with the interior of the treatment tank 100, and the water inlet area formed by the water outlet end of the first water inlet element 400 in the treatment tank 100 covers the heating end of the heating element 300.
As shown in fig. 4, the first water inlet assembly 400 includes a loop pipe 410 and a plurality of spray heads 430, the loop pipe 410 is fixedly connected to the treatment tank 100, the extension direction of the loop pipe 410 is the same as the extension direction of the cross beam 210, the loop pipe 410 has a water inlet 420 communicated with the sewage, the plurality of spray heads 430 are sequentially arranged along the extension direction of the loop pipe 410, one end of the plurality of spray heads 430 is communicated with the loop pipe 410, and the other end of the plurality of spray heads 430 forms the water inlet region.
In order to fully mix the sludge in the treatment tank 100 with the heat energy emitted from the heating assembly 300, the apparatus in this embodiment further includes a stirring device 500, where the stirring device 500 includes two stirring ends that are in one-to-one correspondence with the cover plates 220 and are arranged in parallel with each other, and the stirring ends are fixed inside the treatment tank 100 and located below the corresponding cover plates 220 for stirring up the sludge at the bottom of the treatment tank 100.
The stirring end comprises a rotating shaft and a stirring impeller, the length direction of the rotating shaft is the same as that of the cross beam 210, the rotating shaft is rotatably connected with the treatment pool 100, and the stirring impeller is arranged on the rotating shaft.
In order to make the sludge in the treatment tank 100 located at Chi Dechu fully contact with the heat source emitted by the heating assembly 300 above, the inner bottom surface of the treatment tank 100 in this embodiment is composed of two elongated arc-shaped surfaces 110, the two arc-shaped surfaces 110 correspond to two stirring impellers in a one-to-one manner, the stirring impellers are located in the corresponding arc-shaped surfaces 110, the heating assembly 300 is located between the two arc-shaped surfaces 110, and the rotation directions of the two stirring impellers are opposite.
In order to further enhance the above effect, the apparatus in this embodiment further includes a second water inlet assembly 600, the second water inlet assembly 600 has two water inlet ends, the water inlet ends of the second water inlet assembly 600 correspond to the stirring impellers in a one-to-one manner, one end of the water inlet end of the second water inlet assembly 600 is externally connected with sewage, the other end of the water inlet end of the second water inlet assembly 600 is communicated with the corresponding arc-shaped surface 110 where the stirring impellers are located, and the water inlet direction is tangent to the corresponding rotation direction of the stirring impellers.
In order to prevent the sludge and/or sewage in the treatment tank 100 from flowing back from the second water inlet assembly 600, a check valve (not shown) is installed at the water inlet end of the second water inlet assembly 600 in this embodiment.
The device further comprises a water outlet assembly 700, one end of the water outlet assembly is communicated with the treatment tank 100, and the other end of the water outlet assembly 700 is externally connected with clean water.
The working process is as follows: leading in the leading-in processing pond 100 of the first subassembly 400 of intaking of sewage respectively with second subassembly 600 of intaking, open heating element 300 and stirring subassembly 500 simultaneously, first subassembly 400 of intaking cooperatees with heating element 300, through returning the venturi tube 410, the leading-in sewage of shower nozzle 430, spray on the shell 310 of built-in resistance wire heater 320, heat sewage, and spill on the upper surface of sludge blanket, and the vapor that produces forms a heat preservation region between sludge blanket and heat preservation subassembly 200, can carry out the heat preservation function to the mud of below, simultaneously, second subassembly 600 of intaking cooperatees with stirring subassembly 500, impeller rotates, impeller and under the cooperation of arc 110, make the intraformational mud of sludge stir, thereby make the hot water on the sludge blanket along with sludge blanket rotates, carry out abundant mixture with mud, make the heating of sludge blanket even, simultaneously under the effect of second subassembly 600 of intaking, make another part of the sewage that gets into fully mix with sludge blanket, thereby reach high-efficient handling's effect.
Compared with the prior art: through setting up heat preservation subassembly 200 and including crossbeam 210 and locate the apron 220 of crossbeam 210 both sides relatively, apron 220 all rotates with crossbeam 210 to be connected, crossbeam 210 is connected with the opening part of the top of handling pond 100, the rotation route of two apron 220 covers the opening, for the switching opening, heating element 300 is fixed to be located the below of apron 220, the motion route of heating element 300's heating end covers the inner space of handling pond 100, for supplying to the activated sludge heating, traditional heat preservation shed type's heat preservation equipment has been replaced, the equipment structure is simple, small in size, low cost, but wide application, and popularization.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (6)
1. A rural domestic sewage treatment device running at low temperature and treating efficiently is characterized by comprising a treatment tank filled with activated sludge for treating sewage, a heat insulation assembly and a heating assembly, wherein the heat insulation assembly comprises a cross beam and cover plates arranged on two sides of the cross beam oppositely, the cover plates are rotatably connected with the cross beam, the cross beam is connected with an opening above the treatment tank, and the rotation paths of the two cover plates cover the opening for opening and closing the opening;
the heating assembly is fixedly arranged below the cover plate, and a moving path of a heating end of the heating assembly covers the inner space of the treatment tank so as to heat activated sludge;
the equipment also comprises a first water inlet component, wherein the first water inlet component is provided with a water outlet end communicated with the interior of the treatment tank, and a water inlet area formed by the water outlet end of the first water inlet component in the treatment tank covers the heating end of the heating component;
the equipment also comprises a stirring device, wherein the stirring device comprises two stirring ends which are in one-to-one correspondence with the cover plates and are arranged in parallel, and the stirring ends are fixedly arranged in the treatment tank and are positioned below the corresponding cover plates so as to stir up the sludge at the bottom of the treatment tank;
the stirring ends respectively comprise a rotating shaft and a stirring impeller, the length direction of the rotating shaft is the same as that of the cross beam, the rotating shaft is rotatably connected with the treatment tank, and the stirring impeller is arranged on the rotating shaft;
the inner bottom surface of the treatment tank consists of two long-strip-shaped arc surfaces, the two arc surfaces correspond to the two stirring impellers one by one, the stirring impellers are positioned in the corresponding arc surfaces, the heating assembly is positioned between the two arc surfaces, and the rotation directions of the two stirring impellers are opposite;
the equipment also comprises a second water inlet assembly, wherein the second water inlet assembly is provided with two water inlet ends, the water inlet ends of the second water inlet assembly are in one-to-one correspondence with the stirring impellers, one end of the water inlet end of the second water inlet assembly is externally connected with sewage, the other end of the water inlet end of the second water inlet assembly is communicated with the arc-shaped surface where the corresponding stirring impeller is located, and the water inlet direction is tangential to the rotation direction of the corresponding stirring impeller;
the heating assemblies are sequentially arranged along the length direction of the cross beam, positioned on two sides of the cross beam and fixed at the bottom of the cover plate;
the heating assembly comprises a hollow shell and a resistance wire heater, the shell is in a long strip shape and is perpendicular to the cover plate, the top of the shell is fixedly connected with the cover plate, and the resistance wire heater is fixedly arranged in the shell to heat the surrounding area of the shell;
the first water inlet assembly comprises a return pipe and a plurality of spray heads, the return pipe is fixedly connected with the treatment tank, the extending direction of the return pipe is the same as that of the cross beam, the return pipe is provided with a water inlet communicated with sewage, the spray heads are sequentially arranged along the extending direction of the return pipe, one end of each spray head is communicated with the return pipe, and the other end of each spray head forms the water inlet area;
and the water inlet ends of the second water inlet assemblies are provided with check valves.
2. The rural domestic sewage treatment equipment with low temperature operation and high efficiency treatment according to claim 1, wherein the cover plates are provided with a first position and a second position, when the cover plate is positioned at the first position, the bottom surface of the cover plate and the bottom surface of the cross beam are positioned on the same horizontal plane, the extension of the cover plate is abutted against the extension of the top surface of the treatment tank so as to close the opening, and when the cover plate is positioned at the second position, the cover plate is inclined with the horizontal plane in the direction away from the opening so as to be used for overhauling and/or replacing sludge.
3. The rural domestic sewage treatment equipment with low-temperature operation and high-efficiency treatment according to claim 1, wherein the cross beam is spanned above the treatment tank, the cross beam is fixedly connected with the treatment tank, and two sides of the cross beam are rotatably connected with the cover plate through a plurality of hinges.
4. The rural domestic sewage treatment apparatus with low temperature operation and high efficiency treatment according to claim 1, wherein the heat preservation assembly further comprises a driving member, and an output end of the driving member is connected with the two cover plates so as to drive the two cover plates to rotate synchronously.
5. The rural domestic sewage treatment equipment of claim 4 with low temperature operation and high efficiency treatment, wherein the driving member comprises a cross bar, a jacking member, pull rods corresponding to the cover plates one by one and hinged seats corresponding to the pull rods one by one, the jacking member is fixedly arranged on the cross bar, the output end of the jacking member is connected with the cross bar to drive the cross bar to move along the vertical direction, one end of each pull rod is rotatably connected with the cross bar, and the other end of each pull rod is hinged with the corresponding cover plate through the corresponding hinged seat.
6. The rural domestic sewage treatment equipment with low-temperature operation and high-efficiency treatment according to claim 1, further comprising a water outlet assembly, wherein one end of the water outlet assembly is communicated with the treatment tank, and the other end of the water outlet assembly is externally connected with clean water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110604316.1A CN113387537B (en) | 2021-05-31 | 2021-05-31 | Rural domestic sewage treatment equipment with low-temperature operation and high-efficiency treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110604316.1A CN113387537B (en) | 2021-05-31 | 2021-05-31 | Rural domestic sewage treatment equipment with low-temperature operation and high-efficiency treatment |
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| Publication Number | Publication Date |
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| CN113387537A CN113387537A (en) | 2021-09-14 |
| CN113387537B true CN113387537B (en) | 2022-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110604316.1A Active CN113387537B (en) | 2021-05-31 | 2021-05-31 | Rural domestic sewage treatment equipment with low-temperature operation and high-efficiency treatment |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204022538U (en) * | 2014-08-08 | 2014-12-17 | 山东银河生物科技有限公司 | A kind of sewage heating tank |
| CN106277571A (en) * | 2016-08-09 | 2017-01-04 | 广西宏业环保节能工程有限公司 | Rural domestic sewage treating device |
| CN211169889U (en) * | 2019-08-28 | 2020-08-04 | 江苏澄乾环保工程有限公司 | Capping device of sewage treatment pool |
| CN112299556A (en) * | 2020-09-28 | 2021-02-02 | 王畏畏 | Domestic sewage treatment is with method sewage treatment plant of cultivateing |
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