CN215102105U - A multistage air supporting splitter for sewage treatment - Google Patents

A multistage air supporting splitter for sewage treatment Download PDF

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Publication number
CN215102105U
CN215102105U CN202121133243.4U CN202121133243U CN215102105U CN 215102105 U CN215102105 U CN 215102105U CN 202121133243 U CN202121133243 U CN 202121133243U CN 215102105 U CN215102105 U CN 215102105U
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CN
China
Prior art keywords
tower
stage air
air flotation
rubber
gas
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Expired - Fee Related
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CN202121133243.4U
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Chinese (zh)
Inventor
申秋华
王晓杰
梁国库
杨曼
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PLA NAVAL LOGISTICS COLLEGE
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PLA NAVAL LOGISTICS COLLEGE
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Priority to CN202121133243.4U priority Critical patent/CN215102105U/en
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Abstract

The utility model discloses a multistage air supporting splitter for sewage treatment, including first order air supporting tower and second level air supporting tower, the below of first order air supporting tower is connected with first rubber pipe, and one side of first rubber pipe is connected with rotameter, rotameter's front end is connected with the humidification bottle, and one side of humidification bottle is connected with second rubber pipe, the front end of second rubber pipe is connected with gaseous cushion flask, and one side of gaseous cushion flask is connected with third rubber pipe, the front end of third rubber pipe is connected with air compressor. This a multistage air supporting splitter for sewage treatment is equipped with the gas cushion flask, can play the effect of stabilizing the gas velocity of flow and flow, improves gaseous quality for first order air supporting tower and second level air supporting tower can have better separation effect, and the flow that the interior gas flow of first rubber conduit of the adjustable of rotor flow meter makes things convenient for people to use.

Description

A multistage air supporting splitter for sewage treatment
Technical Field
The utility model relates to an air supporting separation technical field specifically is a multistage air supporting splitter for sewage treatment.
Background
The surfactant has excellent wetting, foaming, emulsifying, decontaminating, dispersing and penetrating properties, and the application field of the surfactant is still expanding continuously. The surfactant provides functions and support for various production industries, and simultaneously, the surfactant also brings pollution to life. At present, most of surfactants are discharged into natural water bodies such as rivers, oceans and the like without proper treatment after being used, so that water body pollution is caused, and the surfactants in the wastewater can form a large amount of foams in the water body, so that the attractiveness of the water body is influenced, and the concentration of dissolved oxygen in the water body is reduced; when the water body is seriously anoxic, the aquatic organisms are difficult to breathe, the organisms die, and the water body is rotten and smelly.
The existing foam separation mainly depends on the formed foam to carry out the separation by carrying out the separation with the target substance to be separated. Can remove the surfactant substances in the wastewater and recover organic substances. The foam separation equipment is a novel device for treating surfactant wastewater, and has the advantages of low energy consumption, simple equipment, low investment, continuous operation and the like, and can be separated at normal temperature and high pressure. However, the existing air floatation separation equipment does not have the function of multi-stage separation, has the defects of incomplete separation, low separation efficiency and the like, cannot well meet the use requirements of people, and carries out technical innovation on the basis of the existing air floatation separation equipment aiming at the conditions
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multistage air supporting splitter for sewage treatment to it mainly relies on the foam clamp that forms to take out the target material that will separate to propose current foam separation among the above-mentioned background art to solve separates. Can remove the surfactant substances in the wastewater and recover organic substances. The foam separation equipment is a novel device for treating surfactant wastewater, and has the advantages of low energy consumption, simple equipment, low investment, continuous operation and the like, and can be separated at normal temperature and high pressure. However, the existing air floatation separation equipment does not have a multi-stage separation function, has the defects of incomplete separation, low separation efficiency and the like, and cannot well meet the use requirements of people.
In order to achieve the above object, the utility model provides a following technical scheme: a multi-stage air flotation separation device for sewage treatment comprises a first-stage air flotation tower and a second-stage air flotation tower, wherein a first rubber guide pipe is connected below the first-stage air flotation tower, a rotameter is connected to one side of the first rubber guide pipe, the front end of the rotameter is connected with a humidifying bottle, a second rubber guide pipe is connected to one side of the humidifying bottle, a gas buffer bottle is connected to the front end of the second rubber guide pipe, a third rubber guide pipe is connected to one side of the gas buffer bottle, an air compressor is connected to the front end of the third rubber guide pipe, a guide cylinder is installed inside the first-stage air flotation tower, a gas distributor is installed inside the guide cylinder, a through hole is formed inside the gas distributor, a conveying pipe is arranged above the first-stage air flotation tower, an adjusting valve is arranged on one side of the conveying pipe, and a foam liquid collecting box is connected to the rear end of the conveying pipe, and a pressure gauge is arranged above the foam liquid collecting box, one side of the first-stage air floatation tower is connected with a foam temporary storage box, and the second-stage air floatation tower is connected with one side of the foam temporary storage box.
Preferably, the first rubber conduit forms a communication structure between the second rubber conduit and the gas buffer bottle through the humidifying bottle, and the rotameter is in threaded connection with the first rubber conduit.
Preferably, the third rubber conduit is communicated with the air compressor, and the third rubber conduit is communicated with the gas buffer bottle.
Preferably, the guide shell is matched with the first-stage air floatation tower, and the gas distributor is detachably connected with the guide shell.
Preferably, the gas distributor is communicated with the first rubber conduit, the aperture of the through holes is 100 μm, and the through holes are uniformly distributed along the outer wall of the gas distributor.
Preferably, the foam liquid collecting box forms a communicating structure with the first-stage air flotation tower through the conveying pipe, the adjusting valve is fixedly connected with the conveying pipe, and the pressure gauge is in threaded connection with the foam liquid collecting box.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the air floatation separation equipment is provided with the gas buffer bottle, so that the effects of stabilizing the flow velocity and flow of gas can be achieved, the quality of the gas is improved, the first-stage air floatation tower and the second-stage air floatation tower can have better separation effects, and the rotameter can adjust the flow of the gas flowing in the first rubber guide pipe, so that the air floatation separation equipment is convenient for people to use; after an air compressor of the air floatation separation equipment is started, gas can be pumped into a humidifying bottle, and the humidifying bottle can increase the humidity of the gas;
the liquid of the air floatation separation equipment forms effective circulation between the guide shell and the tower wall of the first-stage air floatation tower, the distribution of the liquid and bubbles in the whole air floatation tower can be optimized, fine bubbles can be entrained in the circulated liquid without leaving the liquid level due to small buoyancy force, and the liquid holdup of foam formed by larger bubbles is lower, so that the enrichment ratio of foam separation is improved, and the bubbles can be entrained in the circulated liquid without leaving the liquid level, so that the bubbles entering a foam layer are large bubbles with lower liquid holdup, and the enrichment ratio of the foam separation is improved; the gas distributor of the air floatation separation equipment is provided with the through holes, so that the gas can generate tiny and uniform bubbles under the action of the through holes, the bubbles circularly flow along with the liquid, the retention time is long, the guide cylinder can increase the turbulence intensity and the mixing action, and the bubbles are redispersed or crushed to increase the dissolved gas and gas-liquid adsorption rate, thereby achieving a better separation effect;
the foam liquid collecting box of the air flotation separation equipment can collect foam liquid generated by the first-stage air flotation tower, and residual liquid of the first-stage air flotation tower can be used as feeding liquid of the second-stage air flotation tower, so that defoaming liquid of the second-stage air flotation tower can be returned to the first-stage air flotation tower to be used as feeding liquid, and surfactant wastewater is enabled to have higher recovery rate and enrichment ratio.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the internal structure of the first stage air-float tower of the present invention;
FIG. 3 is a schematic view of the three-dimensional structure of the gas distributor of the present invention;
FIG. 4 is an enlarged view of a portion A of FIG. 1 according to the present invention;
fig. 5 is a partially enlarged view of the point B in fig. 1 according to the present invention.
In the figure: 1. a first stage air flotation column; 2. a first rubber conduit; 3. a rotameter; 4. a humidifying bottle; 5. a second rubber conduit; 6. a gas buffer bottle; 7. a third rubber conduit; 8. an air compressor; 9. a draft tube; 10. a gas distributor; 11. a through hole; 12. a delivery pipe; 13. adjusting a valve; 14. a foam liquid collecting box; 15. a pressure gauge; 16. a foam temporary storage box; 17. and a second stage air flotation tower.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a multi-stage air flotation separation device for sewage treatment comprises a first stage air flotation tower 1 and a second stage air flotation tower 17, wherein a first rubber conduit 2 is connected below the first stage air flotation tower 1, a rotor flow meter 3 is connected on one side of the first rubber conduit 2, a humidifying bottle 4 is connected at the front end of the rotor flow meter 3, a second rubber conduit 5 is connected on one side of the humidifying bottle 4, a gas buffer bottle 6 is connected at the front end of the second rubber conduit 5, a third rubber conduit 7 is connected on one side of the gas buffer bottle 6, an air compressor 8 is connected at the front end of the third rubber conduit 7, a guide cylinder 9 is installed inside the first stage air flotation tower 1, a gas distributor 10 is installed inside the guide cylinder 9, a through hole 11 is arranged inside the gas distributor 10, a conveying pipe 12 is arranged above the first stage air flotation tower 1, and an adjusting valve 13 is arranged on one side of the conveying pipe 12, the rear end of the conveying pipe 12 is connected with a foam liquid collecting box 14, a pressure gauge 15 is arranged above the foam liquid collecting box 14, one side of the first-stage air flotation tower 1 is connected with a foam temporary storage box 16, and the second-stage air flotation tower 17 is connected with one side of the foam temporary storage box 16.
The utility model discloses in: the first rubber conduit 2 forms a communicating structure between the second rubber conduit 5 and the gas buffer bottle 6 through the humidifying bottle 4, and the rotameter 3 is in threaded connection with the first rubber conduit 2; this air supporting splitter is equipped with gas buffer bottle 6, can play the effect of stabilizing the gas velocity of flow and flow, improves gaseous quality for first order air supporting tower 1 and second level air supporting tower 17 can have better separation effect, and the flow that the interior gas of the adjustable first rubber guide pipe 2 of rotor flow meter 3 flows makes things convenient for people to use.
The utility model discloses in: the third rubber conduit 7 is communicated with the air compressor 8, and the third rubber conduit 7 is communicated with the gas buffer bottle 6; after the air compressor 8 of the air floatation separation equipment is started, gas can be pumped into the humidifying bottle 4, and the humidifying bottle 4 can increase the humidity of the gas.
The utility model discloses in: the guide shell 9 is matched with the first-stage air-floating tower 1, and the gas distributor 10 is detachably connected with the guide shell 9; the liquid of the air floatation separation equipment forms effective circulation between the guide cylinder 9 and the tower wall of the first-stage air floatation tower 1, the distribution of the liquid and bubbles in the whole air floatation tower can be optimized, fine bubbles can be entrained in the circulated liquid without leaving the liquid level due to small buoyancy force, and the liquid holdup of foam formed by larger bubbles is lower, so that the enrichment ratio of foam separation is improved, the fine bubbles can be entrained in the circulated liquid without leaving the liquid level, and the bubbles entering a foam layer are large bubbles with lower liquid holdup, so that the enrichment ratio of foam separation is improved.
The utility model discloses in: the gas distributor 10 is communicated with the first rubber conduit 2, the aperture of the through hole 11 is 100 μm, and the through holes 11 are uniformly distributed along the outer wall of the gas distributor 10; the gas distributor 10 of the air floatation separation equipment is provided with the through holes 11, so that gas can generate tiny and uniform bubbles under the action of the through holes 11, the bubbles flow along with liquid in a circulating manner, the retention time is long, the guide cylinder 9 can increase the turbulence intensity and the mixing effect, the bubbles are redispersed or broken, the dissolved gas and gas-liquid adsorption rate is increased, and the better separation effect is achieved.
The utility model discloses in: the foam liquid collecting box 14 forms a communicating structure with the first-stage air flotation tower 1 through the conveying pipe 12, the regulating valve 13 is fixedly connected with the conveying pipe 12, and the pressure gauge 15 is in threaded connection with the foam liquid collecting box 14; the foam liquid collecting box 14 of the air flotation separation equipment can collect the foam liquid generated by the first-stage air flotation tower 1, and the residual liquid of the first-stage air flotation tower 1 can be used as the feeding liquid of the second-stage air flotation tower 17, so that the defoaming liquid of the second-stage air flotation tower 17 can be returned to the first-stage air flotation tower 1 to be used as the feeding liquid, and the surfactant wastewater has higher recovery rate and enrichment ratio.
The working principle of the multistage air floatation separation equipment for sewage treatment is as follows: before the device is used, the device is placed at a proper position, an air compressor 8 is started to pump gas into a gas buffer bottle 6 through a third rubber conduit 7, the gas flow rate and the gas flow can be stabilized, the gas is discharged into a humidifying bottle 4 under the action of a second rubber conduit 5, the humidifying bottle 4 can increase the gas humidity, then the gas is discharged into a gas distributor 10 through a rotor flow meter 3 and a first rubber conduit 2, the gas distributor 10 is made of a stainless steel plate, the gas passes through a through hole 11 formed in the gas distributor 10, the gas can enter the first-stage gas floating tower 1 through the through hole 11, so that tiny and uniform bubbles are generated in the first-stage gas floating tower 1, circulation is formed in the first-stage gas floating tower 1, internal circulation is formed between a guide cylinder 9 and the tower wall of the first-stage gas floating tower 1 in the rising process of the bubbles, the guide cylinder 9 can optimize the distribution of liquid and bubbles in the whole tower, under the action of the guide shell 9, the turbulence intensity and the mixing action can be increased, so that the bubbles are dispersed or broken again, in order to increase the adsorption rate of dissolved gas and gas liquid and have better separation effect, the conveying pipe 12 can discharge the foam liquid in the first-stage air flotation tower 1 into the foam liquid collecting box 14, the pressure gauge 15 can conveniently observe the pressure of the foam liquid collecting box 14, the regulating valve 13 is used for the size of the liquid level pressure in the first-stage air flotation tower 1, the foam temporary storage box 16 is arranged between the second-stage air flotation tower 17 and the first-stage air flotation tower 1 for connection, the residual liquid of the first-stage air flotation tower 1 can be used as the feeding liquid of the second-stage air flotation tower 17, when the concentration of CTAB in the defoaming liquid of the second-stage air flotation tower 17 reaches the concentration of the first-stage feeding liquid, can return to the first-stage air flotation tower 1 to be used as feed liquid, thereby carrying out two-stage separation treatment, and the effect is greatly better than that of a single stage.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A multi-stage air flotation separation device for sewage treatment comprises a first-stage air flotation tower (1) and a second-stage air flotation tower (17), and is characterized in that a first rubber guide pipe (2) is connected below the first-stage air flotation tower (1), a rotor flow meter (3) is connected to one side of the first rubber guide pipe (2), a humidifying bottle (4) is connected to the front end of the rotor flow meter (3), a second rubber guide pipe (5) is connected to one side of the humidifying bottle (4), a gas buffer bottle (6) is connected to the front end of the second rubber guide pipe (5), a third rubber guide pipe (7) is connected to one side of the gas buffer bottle (6), an air compressor (8) is connected to the front end of the third rubber guide pipe (7), a guide cylinder (9) is installed inside the first-stage air flotation tower (1), and a gas distributor (10) is installed inside the guide cylinder (9), the inside of gas distributor (10) is provided with through-hole (11), the top of first order air supporting tower (1) is provided with conveyer pipe (12), and one side of conveyer pipe (12) is provided with governing valve (13), the rear end of conveyer pipe (12) is connected with foam liquid collecting box (14), and the top of foam liquid collecting box (14) is provided with manometer (15), one side of first order air supporting tower (1) is connected with foam temporary storage case (16), second level air supporting tower (17) are connected in one side of foam temporary storage case (16).
2. The multi-stage air flotation separation equipment for sewage treatment according to claim 1, characterized in that: the first rubber conduit (2) forms a communicating structure between the second rubber conduit (5) and the gas buffer bottle (6) through the humidifying bottle (4), and the rotameter (3) is in threaded connection with the first rubber conduit (2).
3. The multi-stage air flotation separation equipment for sewage treatment according to claim 1, characterized in that: the third rubber conduit (7) is communicated with the air compressor (8), and the third rubber conduit (7) is communicated with the gas buffer bottle (6).
4. The multi-stage air flotation separation equipment for sewage treatment according to claim 1, characterized in that: the guide shell (9) is matched with the first-stage air-floating tower (1), and the gas distributor (10) is detachably connected with the guide shell (9).
5. The multi-stage air flotation separation equipment for sewage treatment according to claim 1, characterized in that: the gas distributor (10) is communicated with the first rubber conduit (2), the aperture of the through holes (11) is 100 μm, and the through holes (11) are uniformly distributed along the outer wall of the gas distributor (10).
6. The multi-stage air flotation separation equipment for sewage treatment according to claim 1, characterized in that: the foam liquid collecting box (14) is in a communicating structure with the first-stage air flotation tower (1) through the conveying pipe (12), the adjusting valve (13) is fixedly connected with the conveying pipe (12), and the pressure gauge (15) is in threaded connection with the foam liquid collecting box (14).
CN202121133243.4U 2021-05-25 2021-05-25 A multistage air supporting splitter for sewage treatment Expired - Fee Related CN215102105U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121133243.4U CN215102105U (en) 2021-05-25 2021-05-25 A multistage air supporting splitter for sewage treatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121133243.4U CN215102105U (en) 2021-05-25 2021-05-25 A multistage air supporting splitter for sewage treatment

Publications (1)

Publication Number Publication Date
CN215102105U true CN215102105U (en) 2021-12-10

Family

ID=79299399

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121133243.4U Expired - Fee Related CN215102105U (en) 2021-05-25 2021-05-25 A multistage air supporting splitter for sewage treatment

Country Status (1)

Country Link
CN (1) CN215102105U (en)

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Granted publication date: 20211210