CN218262045U - Air floatation equipment for waste water treatment of garbage transfer station - Google Patents
Air floatation equipment for waste water treatment of garbage transfer station Download PDFInfo
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- CN218262045U CN218262045U CN202222993433.4U CN202222993433U CN218262045U CN 218262045 U CN218262045 U CN 218262045U CN 202222993433 U CN202222993433 U CN 202222993433U CN 218262045 U CN218262045 U CN 218262045U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model provides an air floatation device for waste water treatment of a garbage transfer station, which comprises a waste water treatment tank, an air compressor, a dissolved air tank, a dissolved air releaser, a slag scraping mechanism and a pneumatic linkage mechanism; the wastewater treatment tank comprises a reaction tank, a gas dissolving tank, an air floatation tank and a clear water tank which are sequentially and adjacently arranged; the lower end of the reaction tank is communicated with the gas dissolving tank, the upper end of the gas dissolving tank is communicated with the air floating tank, and the lower end of the air floating tank is communicated with the clear water tank; the upper part of the reaction tank is connected with a sewage inlet, and the upper part of the clear water tank is connected with a clear water outlet; the slag scraping mechanism is arranged above the air flotation groove, a slag discharging groove is arranged on the inner side wall of the upper part of the air flotation groove, and the slag discharging groove is positioned at one end of the slag scraping mechanism; the slag scraping mechanism is connected with the air compressor through a pneumatic linkage mechanism. The utility model simplifies the structure of the device and reduces the energy consumption of the device; the garbage transfer station has the advantages of small volume and convenience in maintenance, and meets the space design requirements of compactness and miniaturization of the garbage transfer station.
Description
Technical Field
The utility model relates to a waste water treatment field, concretely relates to air supporting equipment for rubbish transfer station waste water treatment.
Background
The air flotation technology is a high-efficiency and quick solid-liquid separation technology developed from the mineral separation industry and is widely applied to the field of water treatment. The air floatation process is a physical process and has the principle that in the process of introducing bubbles into sewage, the bubbles are adhered to impurities by utilizing the interaction of the surface tension of the bubbles and the impurities, so that the specific gravity of the impurities is reduced, and the impurities float to the water surface to be removed.
With the continuous establishment of the garbage classification system in China, the garbage transfer station is used as an intermediate station for garbage source collection and final garbage treatment, and plays an important role in connection. In order to realize volume reduction and decrement of the bulk garbage, the garbage needs to be compressed after being conveyed to a transfer station, and moisture contained in the garbage is extruded out in the high-compression process to form percolate. The waste water of the waste transfer station is a mixture of various waste water, comprises percolate, kitchen waste water, in-station ground washing waste water, rainwater and the like, and has the characteristics of high pollutant concentration, complex components and the like.
When the existing air floatation equipment is applied to the waste water treatment of a garbage transfer station, a plurality of places to be perfected exist.
On one hand, the existing air floatation equipment mainly adopts machinery to scrape slag, namely, a motor is used as power, and a scraper is driven by a gear and a chain to make the scraper reciprocate to scrape away scum on the surface of an air floatation tank. The problems of high energy consumption, inconvenient maintenance, complex operation and high acquisition cost existing in the process of scraping slag by using the motor are contrary to the concepts of environmental protection, saving and low cost of wastewater treatment. Most importantly, the motor occupies a large space and cannot meet the space design requirements of compactness and miniaturization of the garbage transfer station.
On the other hand, when the existing air floatation equipment is applied to the waste water treatment of the garbage transfer station, the air floatation effect is poor, the flotation effect is also poor, and the solid-liquid separation cannot be effectively realized.
Therefore, there is a need for an improved air floatation device in the prior art to meet the wastewater treatment requirements of the waste transfer station.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need to provide an air floatation device for waste water treatment of a waste transfer station, which improves a slag scraping mechanism to meet the space design requirements of the waste transfer station for compactness and miniaturization.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an air floatation device for waste water treatment of a garbage transfer station comprises a waste water treatment tank, an air compressor, a dissolved air tank, a dissolved air releaser, a slag scraping mechanism and a pneumatic linkage mechanism;
the wastewater treatment tank comprises a reaction tank, a gas dissolving tank, an air floatation tank and a clear water tank which are sequentially and adjacently arranged; the lower end of the reaction tank is communicated with the gas dissolving tank, the upper end of the gas dissolving tank is communicated with the air floating tank, and the lower end of the air floating tank is communicated with the clear water tank; the upper part of the reaction tank is connected with a sewage inlet, and the upper part of the clear water tank is connected with a clear water outlet;
the air compressor is connected with the dissolved air tank, the dissolved air tank is connected with the dissolved air releaser, and the dissolved air releaser is arranged at the bottom of the dissolved air groove;
the slag scraping mechanism is arranged above the air flotation groove, a slag discharging groove is arranged on the inner side wall of the upper part of the air flotation groove, and the slag discharging groove is positioned at one end of the slag scraping mechanism; the slag scraping mechanism is connected with the air compressor through a pneumatic linkage mechanism, and the air compressor drives the slag scraping mechanism to move through the pneumatic linkage mechanism so as to scrape and convey impurities on the water surface in the air flotation tank into the slag discharge tank.
Furthermore, the slag scraping mechanism comprises a driving wheel, a driven wheel, a chain and slag scraping plates, the driving wheel and the driven wheel are arranged on the same horizontal plane and are in transmission connection through the chain, and the chain is fixedly connected with a plurality of slag scraping plates; the driving wheel is connected with the air compressor through a pneumatic linkage mechanism.
Further, the pneumatic linkage mechanism comprises an air cylinder, a horizontal limiting piece, a first transmission rod and a second transmission rod;
the air cylinder is provided with a first air inlet and a second air inlet, a pneumatic piston is arranged in the air cylinder, and the pneumatic piston is arranged between the first air inlet and the second air inlet; the first air inlet and the second air inlet of the air cylinder are respectively connected with the air compressor, so that the air compressor drives the pneumatic piston to reciprocate between the first air inlet and the second air inlet along the horizontal direction through air pressure;
one end of the first transmission rod is fixedly connected with the pneumatic piston, and the other end of the first transmission rod is connected to the horizontal limiting piece in a limiting mode; one end of the second transmission rod is rotatably connected with the other end of the first transmission rod, and the other end of the second transmission rod is rotatably connected to the edge of the driving wheel of the slag scraping mechanism; when the pneumatic piston reciprocates along the horizontal direction, the driving wheel is driven to rotate through the first transmission rod and the second transmission rod in sequence.
Furthermore, a limit groove extending along the horizontal direction is formed in the horizontal limiting part, the other end of the first transmission rod is connected in the limit groove in a limiting mode, and the first transmission rod can only move in the limit groove along the horizontal direction.
Furthermore, electromagnetic valves for controlling air inlet and outlet are arranged at the first air inlet and the second air inlet of the air cylinder.
Further, the upper part of the reaction tank is connected with an oxidant feeding device, and the bottom of the reaction tank is connected with a coagulant feeding device and a flocculant feeding device.
Further, the oxidant feeding device is a sodium hypochlorite feeding device.
Further, a reaction stirrer is arranged in the reaction tank.
Further, the device also comprises a booster pump, and the booster pump is connected with the dissolved air tank.
The utility model discloses utilize original air compressor machine in the air supporting equipment to replace the motor as the power supply, the motion of sediment mechanism is scraped in the drive, has simplified equipment structure, has saved the power consumption of motor, has reduced the equipment energy consumption. Meanwhile, the main components of the pneumatic linkage mechanism for driving the slag scraping mechanism to move, such as the air cylinder and the transmission rod, have the advantages of small volume and convenience in maintenance, and meet the space design requirements of compactness and miniaturization of the garbage transfer station.
Drawings
FIG. 1 is a schematic structural diagram of an air floatation device for waste water treatment of a garbage transfer station according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of the working state of the slag scraping mechanism and the pneumatic linkage mechanism in the embodiment of the present invention.
Fig. 3 is a schematic diagram of another working state of the slag scraping mechanism and the pneumatic linkage mechanism in the embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the air floatation device for waste water treatment of a garbage transfer station provided by the utility model comprises a waste water treatment tank, an air compressor 4, a dissolved air tank 3, a dissolved air releaser 30, a slag scraping mechanism 2, a pneumatic linkage mechanism and a booster pump 6;
the wastewater treatment tank comprises a reaction tank 11, an air dissolving tank 12, an air floating tank 13 and a clear water tank 14 which are sequentially and adjacently arranged; the lower end of the reaction tank 11 is communicated with an air dissolving tank 12, the upper end of the air dissolving tank 12 is communicated with an air floating tank 13, and the lower end of the air floating tank 13 is communicated with a clean water tank 14; the upper part of the reaction tank 11 is connected with a sewage inlet, and the upper part of the clear water tank 14 is connected with a clear water outlet;
the air compressor 4 is connected with the dissolved air tank 3, the dissolved air tank 3 is connected with the dissolved air releaser 30, and the dissolved air releaser 30 is arranged at the bottom of the dissolved air groove 12; the booster pump 6 is connected with the dissolved air tank 3;
the slag scraping mechanism 2 is arranged above the air flotation groove 13, a slag discharging groove 15 is arranged on the inner side wall of the upper part of the air flotation groove 13, and the slag discharging groove 15 is positioned at one end of the slag scraping mechanism 2; the slag scraping mechanism 2 is connected with the air compressor 4 through a pneumatic linkage mechanism, and the air compressor 4 drives the slag scraping mechanism 2 to move through the pneumatic linkage mechanism so as to scrape and convey impurities on the water surface in the air flotation tank 13 into the slag discharge tank 15.
Further, an oxidant feeding device 51 is connected to the upper portion of the reaction tank 11, and a coagulant feeding device 52 and a flocculant feeding device 53 are connected to the bottom of the reaction tank 11. Wherein the oxidant feeding device 51 is specifically a sodium hypochlorite feeding device. Through detection and analysis, the waste water of the garbage transfer station has higher ammonia nitrogen content. Therefore, the utility model adds sodium hypochlorite in the reaction tank 11; on the basis of coagulation air flotation in the prior art, the strong oxidizing property of sodium hypochlorite is utilized to react with ammonia nitrogen to generate nitrogen, the number of micro bubbles is increased, so that the buoyancy of the micro bubbles is increased, the originally settled pollutants float on the surface under the action of the buoyancy, and the solid-liquid separation is finally realized.
Further, in order to sufficiently react the chemical in the reaction tank 11 with the sewage, a reaction stirrer 50 is further provided in the reaction tank 11.
As shown in fig. 2 and 3, the slag scraping mechanism 2 includes a driving wheel 21, a driven wheel 22, a chain 23 and slag scraping plates (not shown), the driving wheel 21 and the driven wheel 22 are arranged on the same horizontal plane and are in transmission connection through the chain 23, and the chain 23 is fixedly connected with a plurality of slag scraping plates; the driving wheel 21 is connected with the air compressor 4 through a pneumatic linkage mechanism.
Further, the pneumatic linkage mechanism includes a cylinder 71, a horizontal stopper 74, a first transmission rod 731 and a second transmission rod 732;
the cylinder 71 is provided with a first air inlet 711 and a second air inlet 712, the cylinder 71 is internally provided with a pneumatic piston 72, and the pneumatic piston 72 is arranged between the first air inlet 711 and the second air inlet 712; the first and second intake ports 711 and 712 of the cylinder 71 are respectively connected to the air compressor 4 so that the air compressor 4 can drive the pneumatic piston 72 to reciprocate in the horizontal direction between the first and second intake ports 711 and 712 by air pressure; specifically, solenoid valves for controlling the air intake and exhaust may be provided at the first air intake port 711 and the second air intake port 712 of the air cylinder 71, and by alternately controlling the air intake and exhaust directions of the first air intake port 711 and the second air intake port 712, the linear reciprocating motion of the pneumatic piston 72 may be achieved by the air compressor 4. As a modification, air pressure gauges may be further provided at the first inlet port 711 and the second inlet port 712 to control the driving air pressure.
One end of the first transmission rod 731 is fixedly connected with the pneumatic piston 72, and the other end of the first transmission rod 731 is connected to the horizontal limiting piece 74 in a limiting manner; one end of the second transmission rod 732 is rotatably connected with the other end of the first transmission rod 731, and the other end of the second transmission rod 732 is rotatably connected with the edge of the driving wheel 21 of the slag scraping mechanism 2; when the pneumatic piston 72 reciprocates in the horizontal direction, the driver 21 is driven to rotate via the first transmission lever 731 and the second transmission lever 732 in this order.
The horizontal position-limiting member 74 has various specific forms, and its main function is to perform a horizontal position-limiting function, so that when the pneumatic piston 72 moves, the other end of the first transmission rod 731 also reciprocates in the horizontal direction. As an embodiment, the horizontal limiting member 74 may be a plate member, the plate member is provided with a limiting groove extending along the horizontal direction, and the other end of the first transmission rod 731 is connected to the limiting groove in a limiting manner and can only move along the horizontal direction in the limiting groove. When the other end of the first transmission rod 731 reciprocates in the horizontal direction in the limiting groove, the second transmission rod 732 can be used to drive the driving wheel 21 of the slag scraping mechanism 2 to rotate, and then the chain 23 can be used to drive the slag scraping plate thereon to move, so that the slag scraping plate can be used to scrape the impurities on the water surface in the air flotation groove 13 into the slag discharge groove 15.
Because traditional air supporting equipment itself just need use the air compressor machine, the utility model discloses utilize original air compressor machine in the air supporting equipment to replace the motor as the power supply, the sediment mechanism motion is scraped in the drive, has simplified equipment structure, has saved the power consumption of motor, has reduced the equipment energy consumption. Meanwhile, the main components of the pneumatic linkage mechanism for driving the slag scraping mechanism to move, such as the air cylinder, the transmission rod and the like, have the advantages of small volume and convenience in maintenance; and the method also has the advantages of safe operation and low risk of mechanical damage.
Compared with the air supporting equipment among the prior art, the utility model has the advantages of practice thrift electric energy, simple structure, easy maintenance, reduced the space size that equipment occupy greatly, agree with the space design demand of the compactification of rubbish transfer station, miniaturization more.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. An air floatation device for waste water treatment of a garbage transfer station is characterized by comprising a waste water treatment pool, an air compressor, a dissolved air tank, a dissolved air releaser, a slag scraping mechanism and a pneumatic linkage mechanism;
the wastewater treatment tank comprises a reaction tank, a gas dissolving tank, an air floatation tank and a clear water tank which are sequentially and adjacently arranged; the lower end of the reaction tank is communicated with the gas dissolving tank, the upper end of the gas dissolving tank is communicated with the air floating tank, and the lower end of the air floating tank is communicated with the clear water tank; the upper part of the reaction tank is connected with a sewage inlet, and the upper part of the clear water tank is connected with a clear water outlet;
the air compressor is connected with the dissolved air tank, the dissolved air tank is connected with the dissolved air releaser, and the dissolved air releaser is arranged at the bottom of the dissolved air groove;
the slag scraping mechanism is arranged above the air flotation groove, a slag discharging groove is arranged on the inner side wall of the upper part of the air flotation groove, and the slag discharging groove is positioned at one end of the slag scraping mechanism; the slag scraping mechanism is connected with the air compressor through a pneumatic linkage mechanism, and the air compressor drives the slag scraping mechanism to move through the pneumatic linkage mechanism so as to scrape and convey impurities on the water surface in the air flotation tank into the slag discharge tank.
2. The air floatation equipment for wastewater treatment of the garbage transfer station according to claim 1, wherein the residue scraping mechanism comprises a driving wheel, a driven wheel, a chain and residue scraping plates, the driving wheel and the driven wheel are arranged on the same horizontal plane and are in transmission connection through the chain, and the chain is fixedly connected with a plurality of residue scraping plates; the driving wheel is connected with the air compressor through a pneumatic linkage mechanism.
3. The air floatation device for wastewater treatment of the garbage transfer station of claim 2, wherein the pneumatic linkage mechanism comprises an air cylinder, a horizontal limit piece, a first transmission rod and a second transmission rod;
the air cylinder is provided with a first air inlet and a second air inlet, a pneumatic piston is arranged in the air cylinder, and the pneumatic piston is arranged between the first air inlet and the second air inlet; the first air inlet and the second air inlet of the air cylinder are respectively connected with the air compressor, so that the air compressor drives the pneumatic piston to reciprocate between the first air inlet and the second air inlet along the horizontal direction through air pressure;
one end of the first transmission rod is fixedly connected with the pneumatic piston, and the other end of the first transmission rod is connected to the horizontal limiting piece in a limiting mode; one end of the second transmission rod is rotatably connected with the other end of the first transmission rod, and the other end of the second transmission rod is rotatably connected to the edge of the driving wheel of the slag scraping mechanism; when the pneumatic piston reciprocates along the horizontal direction, the driving wheel is driven to rotate through the first transmission rod and the second transmission rod in sequence.
4. The air floatation device for wastewater treatment of the garbage transfer station according to claim 3, wherein the horizontal limiting member is provided with a limiting groove extending in the horizontal direction, and the other end of the first transmission rod is connected in the limiting groove in a limiting manner and can only move in the limiting groove in the horizontal direction.
5. The air floatation device for wastewater treatment of the garbage transfer station according to claim 3, wherein electromagnetic valves for controlling air inlet and outlet are arranged at the first air inlet and the second air inlet of the air cylinder.
6. The air floatation device for the waste water treatment of the waste transfer station according to claim 1, characterized in that the upper part of the reaction tank is connected with an oxidant feeding device, and the bottom of the reaction tank is connected with a coagulant feeding device and a flocculant feeding device.
7. The air flotation device for wastewater treatment of the garbage transfer station according to claim 6, wherein the oxidant feeding device is a sodium hypochlorite feeding device.
8. The air flotation device for wastewater treatment of the garbage transfer station as claimed in claim 1, wherein a reaction stirrer is arranged in the reaction tank.
9. The air floatation device for wastewater treatment of the garbage transfer station as claimed in claim 1, further comprising a booster pump, wherein the booster pump is connected with the dissolved air tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222993433.4U CN218262045U (en) | 2022-11-10 | 2022-11-10 | Air floatation equipment for waste water treatment of garbage transfer station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222993433.4U CN218262045U (en) | 2022-11-10 | 2022-11-10 | Air floatation equipment for waste water treatment of garbage transfer station |
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| Publication Number | Publication Date |
|---|---|
| CN218262045U true CN218262045U (en) | 2023-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222993433.4U Active CN218262045U (en) | 2022-11-10 | 2022-11-10 | Air floatation equipment for waste water treatment of garbage transfer station |
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| CN (1) | CN218262045U (en) |
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- 2022-11-10 CN CN202222993433.4U patent/CN218262045U/en active Active
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