CN210103532U - Air stripping mixes medicine reaction unit that adds that combines together with net flocculation - Google Patents
Air stripping mixes medicine reaction unit that adds that combines together with net flocculation Download PDFInfo
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- CN210103532U CN210103532U CN201920814755.3U CN201920814755U CN210103532U CN 210103532 U CN210103532 U CN 210103532U CN 201920814755 U CN201920814755 U CN 201920814755U CN 210103532 U CN210103532 U CN 210103532U
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Abstract
The utility model relates to a gas stripping mixes medicine reaction unit who combines together with net flocculation, including reaction tank, inlet tube, dosing pipe, upwash section of thick bamboo, grid plate, air hose, outlet pipe and evacuation pipe etc.. Waste water enters the upflow cylinder through the water inlet pipe, the water inlet pipe is provided with a dosing pipe for dosing liquid medicine, the air pipe is arranged in the center of a bell mouth at the bottom of the upflow cylinder, the waste water, the liquid medicine and air are mixed and reacted and then rise along the upflow cylinder and are scattered to the reaction tank from the top, the waste water falls in the reaction zone and is flocculated through 2 grid plates, the water outlet flow of the water outlet pipe is consistent with the water inlet flow, the rest waste water flows back to the upflow cylinder to form circulation, the water circulation flow of the reaction zone is 4-6 times of the water inlet flow, and the air supply flow of the. The utility model discloses mix air stripping, net flocculation organic combination, can accomplish in proper order and add medicine and coagulate, flocculation reaction, simple structure, unpowered equipment, energy-conserving and the plant maintenance expense is low, the flexible operation, reaction effect is good.
Description
Technical Field
The utility model relates to a sewage treatment technical field especially relates to a gas stripping mixes medicine reaction unit who combines together with net flocculation.
Background
The sewage treatment usually involves the medicine reaction of adding, and the medicine mixed reaction device that adds that currently commonly used has water pump mixing, tubular mixing, mechanical stirring and mixes etc. and the medicament flocculation facility has reciprocating type baffle flocculation, gyration baffle flocculation, folded plate flocculation, mechanical stirring flocculation and grid bars flocculation etc.. The dosing mixing and flocculating device has a plurality of forms and various advantages and disadvantages, for example, the mechanical stirring mixing and flocculating device is driven by electromechanical equipment, which relates to power cost and equipment maintenance cost; part of the medicament may damage the water pump mixed by the water pump; the tubular mixing device has the hidden danger of scaling and blockage in the pipeline; the baffle flocculation and the grid bar flocculation cannot adapt to the change of the inflow.
On the premise of meeting the hydraulic conditions of mixed flocculation, it is particularly important to seek a dosing mixed flocculation device which is energy-saving, flexible in operation management and capable of adjusting the operation condition according to the change of water inflow.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a sewage treatment traditional Chinese medicine agent mixing flocculation reaction device which has simple structure, low operation and maintenance cost, economy and energy conservation and flexible operation.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a dosing reaction device combining air stripping mixing and grid flocculation comprises a reaction tank, a water inlet pipe, a dosing pipe, an upflow cylinder, a grid plate, an air pipe, a water outlet pipe and an emptying pipe; the inlet tube and the dosing pipe are arranged at the lower part of the reaction tank and are connected with the upflow cylinder, the grid plate is arranged in the reaction tank, the air tube is connected with the bottom end of the upflow cylinder, the water outlet of the water outlet pipe is arranged at the upper part of the reaction tank, and the emptying pipe is arranged at the bottom end of the reaction tank.
Furthermore, the reaction tank can be made of reinforced concrete pouring or stainless steel plates, and the shape of the reaction tank is a circular tank body with the diameter of 800-2000 mm or a rectangular tank body with the length and width of 800-2000 mm.
Furthermore, the water inlet pipe penetrates through the wall of the reaction tank and is connected with a flow rising cylinder arranged in the center of the tank, and the distance between the water inlet pipe and the bottom of the flow rising cylinder is 400-600 mm.
Furthermore, a medicine feeding pipe is arranged on the water inlet pipe and used for feeding medicine liquid into the pipe to be mixed with the wastewater.
Furthermore, the rising flow velocity of the mixture of the air and the wastewater in the rising flow cylinder is 1-2 m/s, the bottom of the rising flow cylinder is provided with a horn mouth, the distance between the horn mouth and the bottom of the reaction tank is 0.2-0.3 m, the top of the rising flow cylinder is 0.2-0.3 m higher than the liquid level of the reaction tank, and the vertical distance between the top of the rising flow cylinder and the top of the reaction tank is 0.2-0.3 m.
Furthermore, the amount of the circulating wastewater in the upflow cylinder is 4-6 times of the inflow, and the air supply amount of the air pipe is 3-5 times of the amount of the circulating wastewater.
Further, the grid plate is made of glass fiber reinforced plastic, two layers of grid plates are arranged in the reaction tank, the distance between the two layers of grid plates is 900-1100 mm, the distance between the lower layer of grid plate and the bottom of the tank is 900-1100 mm, holes in the grid plates are rectangular, and the hole penetration rate is 50-70%.
Further, the wastewater, the liquid medicine and the air are mixed and react in the upflow cylinder and ascend to the top of the upflow cylinder, water drops to the surface of the reaction tank and then flows downwards, and the wastewater circulates in the reaction tank and the upflow cylinder according to 4-6 times of water inflow.
Furthermore, the depth of water submerged by the upwelling cylinder is 2-3 m, and the air pressure of the air pipe is 3-4 m.
Furthermore, the inlet of the water outlet pipe is flush with the bell mouth of the upflow cylinder, and the water outlet is flush with the liquid level of the reaction tank.
Furthermore, a valve is arranged on the air pipe, so that the air supply quantity can be adjusted according to the water inflow, and the mixing reaction of different waste water is adapted.
The working process of the device is as follows: the device is arranged in place, liquid medicine is put into the water inlet pipe through the medicine feeding pipe, wastewater and the liquid medicine enter the interior of the upflow cylinder through the water inlet pipe, a valve of the gas supply pipe is opened, the gas supply amount is adjusted according to the water inflow, the wastewater, the liquid medicine and the air are mixed and react, the density of a water-gas mixture is smaller than that of the water to form upflow, the water-gas mixture is sprayed out from the top of the upflow cylinder to be scattered in the reaction tank, flows downwards along the reaction tank and undergoes two grid flocculation reactions; the outlet flow of the water outlet pipe is consistent with the inlet flow of the water inlet pipe, and the reaction tank and the upflow cylinder are circulated according to 4-6 times of the inlet flow.
The utility model has the advantages of it is following: the utility model relates to an improved generation mix flocculation reaction device of offeing medicine has simple structure, operation maintenance cost low, economic energy-conservation, advantages such as operation flexibility.
Drawings
The following further explains the embodiments of the present invention with reference to the drawings.
FIG. 1 is a schematic structural view of the chemical adding reaction device combining air stripping mixing and grid flocculation.
Detailed Description
With reference to fig. 1, the chemical feeding reaction device combining air stripping mixing and grid flocculation of the present invention comprises a reaction tank 1, a water inlet pipe 5, a chemical feeding pipe 3, an upflow cylinder 6, a grid plate 7, an air pipe 2, a water outlet pipe 8 and an emptying pipe 4; the inlet tube 5 and the dosing tube 3 are arranged at the lower part of the reaction tank 1 and are connected with the upflow cylinder 6, the grid plate 7 is arranged in the reaction tank 1, the air tube 2 is connected with the bottom end of the upflow cylinder 6, the water outlet of the outlet tube 8 is arranged at the upper part of the reaction tank 1, and the emptying tube 4 is arranged at the bottom end of the reaction tank 1.
In the embodiment, the water inlet pipe 5 is used for introducing wastewater into the upflow cylinder 6, the chemical adding pipe 3 is used for adding chemical into the upflow cylinder 6, the air pipe 2 is used for introducing air into the upflow cylinder 6, the mixture reacts in the upflow cylinder 6, rises to the top and falls down, and then the mixture passes through the grid plate 7 to perform flocculation reaction and falls to the bottom of the reaction tank 1; the waste water after mixed treatment is discharged through the water outlet pipe 8, and the emptying pipe 4 is provided with a valve and is opened when emptying and overhauling are carried out.
In the preferred embodiment, the reaction tank 1 can be made of reinforced concrete or stainless steel plates, and the shape of the reaction tank 1 is a circular tank body with the diameter of 800-2000 mm or a rectangular tank body with the length and width of 800-2000 mm. The length and width of 800-2000 mm mean that the length and width of the rectangular tank body both fall within the length range, and the shape of the reaction tank 1 means the shape of the whole reaction tank 1 seen in a plan view. Preferably, the reaction tank 1 is formed by pouring reinforced concrete, is a rectangular tank body with the length and the width of 1000mm, and has the depth of 2.8 m.
In the preferred embodiment, the water inlet pipe 5 penetrates through the wall of the reaction tank 1 and is connected with the upflow cylinder 6 arranged in the center of the tank, and the distance between the water inlet pipe 5 and the bottom of the upflow cylinder 6 is 400-600 mm. Preferably, 5 pipe diameters of inlet tube 80mm, stainless steel material is connected with the stainless steel upwash section of thick bamboo 6 that pond central authorities set up through stainless steel pre-buried pipe on 1 pond wall of reaction tank, and inlet tube 5 is 500mm apart from the bell mouth in 6 bottoms of upwash section of thick bamboo.
In the preferred embodiment, the inlet pipe 5 is provided with a chemical feeding pipe 3 for feeding chemical liquid into the pipe to be mixed with the wastewater. Preferably, the dosing pipe 3 is made of PE material, the pipe diameter is DN25, and the dosing pipe 3 is arranged at a section of the water inlet pipe 5 exposed outside the reaction tank 1.
The preferred, the rising velocity of flow of air and waste water mixture in the upwash section of thick bamboo 6 is 1~2m/s, and 6 bottoms of upwash section of thick bamboo are equipped with the horn mouth, and the horn mouth is apart from the bottom of the pool 0.2~0.3m, and 6 tops of upwash section of thick bamboo are higher than 1 liquid level of reaction tank 0.2~0.3m, and 6 tops of upwash section of thick bamboo are apart from 1 top vertical distance of reaction tank 0.2~0.3 m. Preferably, the diameter of the upflow cylinder 6 is 200mm, the upward flow velocity of the mixture of the internal air and the wastewater is about 2m/s, the bottom of the upflow cylinder 6 is provided with a bell mouth, the distance between the bell mouth and the bottom of the tank is 0.3m, the top of the upflow cylinder 6 is 0.2m higher than the water surface of the reaction tank 1, and the vertical distance between the top of the upflow cylinder 6 and the top of the reaction tank 1 is 0.3 m.
In the embodiment, the amount of the circulating wastewater in the upflow cylinder 6 is preferably 4 to 6 times of the inflow amount, and the amount of the air supplied to the air pipe 2 is preferably 3 to 5 times of the amount of the circulating wastewater. Preferably, the amount of wastewater circulating in the upflow cylinder 6 is 50m3H, the air supply amount of the air pipe 2 is 150 to 250 m3/h。
The preferred, grid plate 7 is the glass steel material, is equipped with two-layer grid plate 7 in the reaction tank 1, and two-layer grid plate 7 interval is 900~1100mm, and lower floor's grid plate 7 is apart from the bottom of the pool distance for 900~1100mm, and the hole is the rectangle on the grid plate 7, and the through hole rate is 50~ 70%. Preferably, the distance between the two layers of grid plates 7 is 1000mm, the distance between the lower layer of grid plate 7 and the bottom of the tank is 1000mm, and the through hole rate is 60%. In practical applications, the holes on the grid plate 7 are not limited to rectangular shapes, and may be circular, oval, triangular, and other shapes.
In the preferred embodiment, the wastewater, the liquid medicine and the air are mixed and reacted in the upflow cylinder 6, the wastewater rises to the top of the upflow cylinder 6, the wastewater falls to the surface of the reaction tank 1 and then flows downwards, and the wastewater in the reaction tank 1 and the upflow cylinder 6 is 50m in length3The water volume is circulated per hour.
In the embodiment, the submerged depth of the upflow cylinder 6 is preferably 2-3 m, and the air pressure of the air pipe 2 is preferably 3-4 m. Preferably, the depth of the water submerged by the upflow cylinder 6 is 2m, and the wind pressure of the air pipe 2 is 3 m.
Preferably, in this embodiment, the inlet of the water outlet pipe 8 is flush with the bell mouth of the upflow cylinder 6, and the water outlet is flush with the liquid level of the reaction tank 1.
In the preferred embodiment, the air pipe 2 is provided with a valve, so that the air supply amount can be adjusted according to the water inlet amount, and the mixing reaction of different waste water is adapted.
The working process of the device is as follows: the device is arranged in place, liquid medicine is put into a water inlet pipe 5 through a medicine feeding pipe 3, wastewater and the liquid medicine enter an upflow cylinder 6 through the water inlet pipe 5, a valve of the air supply pipe is opened, the air supply amount is adjusted according to the water inflow, the wastewater, the liquid medicine and the air are mixed and react, the density of a water-gas mixture is smaller than that of the water to form an upflow, the water-gas mixture is sprayed out from the top of the upflow cylinder 6 and is scattered in a reaction tank 1, and flows downwards along the reaction tank 1 to undergo two grid flocculation reactions; the outlet flow of the water outlet pipe 8 is consistent with the inlet flow of the water inlet pipe 5, and the reaction tank 1 and the upflow cylinder 6 are internally provided with a flow meter of 50m3The water volume is circulated per hour. In actual operation, the device obtains good mixed flocculation effect.
In the previous description, numerous specific details were set forth in order to provide a thorough understanding of the invention. The foregoing description is only illustrative of the preferred embodiments of the invention, which can be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. All the contents that do not depart from the technical solution of the present invention, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention all still belong to the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a gas stripping mixes medicine reaction unit that combines together with net flocculation which characterized in that: comprises a reaction tank, a water inlet pipe, a dosing pipe, an upflow cylinder, a grid plate, an air pipe, a water outlet pipe and an emptying pipe; the inlet tube and the dosing pipe are arranged at the lower part of the reaction tank and are connected with the upflow cylinder, the grid plate is arranged in the reaction tank, the air tube is connected with the bottom end of the upflow cylinder, the water outlet of the water outlet pipe is arranged at the upper part of the reaction tank, and the emptying pipe is arranged at the bottom end of the reaction tank.
2. The chemical feeding reaction device combining air stripping mixing and grid flocculation, according to claim 1, is characterized in that: the reaction tank is made of reinforced concrete pouring or stainless steel plates, and is a circular tank body with the diameter of 800-2000 mm or a rectangular tank body with the length and width of 800-2000 mm.
3. The chemical feeding reaction device combining air stripping mixing and grid flocculation, according to claim 1, is characterized in that: the inlet tube passes the reaction tank pool wall and is connected with the upwelling section of thick bamboo that pond central authorities set up, and the inlet tube is apart from the upwelling bobbin base 400~600 mm.
4. The chemical feeding reaction device combining air stripping mixing and grid flocculation, according to claim 1, is characterized in that: the water inlet pipe is provided with a medicine adding pipe for adding medicine liquid into the pipe to be mixed with the wastewater.
5. The chemical feeding reaction device combining air stripping mixing and grid flocculation, according to claim 1, is characterized in that: the ascending flow velocity of the mixture of air and wastewater in the ascending flow cylinder is 1-2 m/s, the bottom of the ascending flow cylinder is provided with a horn mouth, the distance between the horn mouth and the bottom of the reaction tank is 0.2-0.3 m, the top of the ascending flow cylinder is 0.2-0.3 m higher than the liquid level of the reaction tank, and the vertical distance between the top of the ascending flow cylinder and the top of the reaction tank is 0.2-0.3 m.
6. The chemical feeding reaction device combining air stripping mixing and grid flocculation, according to claim 1, is characterized in that: the grid plate is glass steel material, is equipped with two-layer grid plate in the reaction tank, and two-layer grid plate interval is 900~1100mm, and lower floor's grid plate is 900~1100mm apart from reaction tank bottom of the pool distance, and the hole is the rectangle on the grid plate, and the porosity is 50~ 70%.
7. The chemical feeding reaction device combining air stripping mixing and grid flocculation, according to claim 1, is characterized in that: the wastewater, the liquid medicine and the air are mixed and react in the upflow cylinder and rise to the top of the upflow cylinder, the wastewater falls to the surface of the reaction tank and then flows downwards, the wastewater circulates in the reaction tank and the upflow cylinder according to 4-6 times of water inflow, and the air supply amount of the air pipe is 3-5 times of the amount of the circulating wastewater.
8. The chemical feeding reaction device combining air stripping mixing and grid flocculation, according to claim 1, is characterized in that: the submerged depth of the upwelling cylinder is 2-3 m, and the air pressure of the air pipe is 3-4 m.
9. The chemical feeding reaction device combining air stripping mixing and grid flocculation, according to claim 1, is characterized in that: the inlet of the water outlet pipe is flush with the bottom of the upflow cylinder, and the water outlet is flush with the liquid level of the reaction tank.
10. The chemical feeding reaction device combining air stripping mixing and grid flocculation, according to claim 1, is characterized in that: and a valve is arranged on the air pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920814755.3U CN210103532U (en) | 2019-05-31 | 2019-05-31 | Air stripping mixes medicine reaction unit that adds that combines together with net flocculation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920814755.3U CN210103532U (en) | 2019-05-31 | 2019-05-31 | Air stripping mixes medicine reaction unit that adds that combines together with net flocculation |
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| Publication Number | Publication Date |
|---|---|
| CN210103532U true CN210103532U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920814755.3U Active CN210103532U (en) | 2019-05-31 | 2019-05-31 | Air stripping mixes medicine reaction unit that adds that combines together with net flocculation |
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|---|---|
| CN (1) | CN210103532U (en) |
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