CN218811219U - A effluent disposal system for in nonylphenol polyoxyethylene ether production - Google Patents

A effluent disposal system for in nonylphenol polyoxyethylene ether production Download PDF

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CN218811219U
CN218811219U CN202223141592.8U CN202223141592U CN218811219U CN 218811219 U CN218811219 U CN 218811219U CN 202223141592 U CN202223141592 U CN 202223141592U CN 218811219 U CN218811219 U CN 218811219U
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oil
adsorption
water
tank
separation mechanism
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钱飞
吴海成
雷伟琴
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Taixing Lingfei Chemical Technology Co ltd
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Taixing Lingfei Chemical Technology Co ltd
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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
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    • Y02W10/10—Biological treatment of water, waste water, or sewage

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Abstract

The utility model discloses a effluent disposal system for in production of nonylphenol polyoxyethylene ether belongs to chemical industry equipment technical field, has solved the problem that the organic wastewater treatment who discharges exists in the production process of nonylphenol polyoxyethylene ether among the above-mentioned prior art. The utility model comprises a centrifugal separation mechanism, a membrane separation mechanism and an adsorption filtration mechanism; the centrifugal separation mechanism is arranged at the top of the adsorption and filtration mechanism, the membrane separation mechanism is arranged on one side of the centrifugal separation mechanism, the centrifugal separation mechanism is used for separating a water phase and an oil phase in the wastewater, and the separated oil phase and the separated water phase are respectively introduced into the membrane separation mechanism and the adsorption and filtration mechanism through an oil pipeline and a water pipeline; the membrane separation mechanism is used for secondarily treating the oil phase, the water phase obtained by secondary treatment is conveyed to the adsorption filtration mechanism through the connecting pipe, and the wastewater can be respectively recovered and treated after being separated into the oil phase and the water phase, so that resource waste is avoided.

Description

A effluent disposal system for in nonylphenol polyoxyethylene ether production
Technical Field
The utility model belongs to the technical field of chemical industry equipment, concretely relates to a effluent disposal system for in production of nonyl phenol polyoxyethylene ether.
Background
The chemical formula of the polyoxyethylene nonyl phenyl ether is C 15 H 24 O(C 2 H 4 O) n is a nonionic surfactant mainly used as an emulsifier, a detergent, a wetting agent, a dispersing agent, a defoaming agent and the like, nonylphenol polyoxyethylene ether is a mixture of homologous compounds of different polymerization degrees, which are generated by polymerizing nonyl phenol and ethylene oxide under the action of alkaline catalysis under different conditions, commercially available nonylphenol polyoxyethylene ether contains various isomers and homologous compounds, and the surface activity of the nonylphenol polyoxyethylene ether mainly comes from the hydrophobicity of nonyl phenol and the hydrophilicity of ethoxy repeating units on a para-substituted long chain. High-concentration organic wastewater is discharged in the production process of the polyoxyethylene nonyl phenyl ether, wherein the high-concentration organic wastewater contains a large amount of polyoxyethylene nonyl phenyl ether and organic matters such as phenol, nonanol, nonyl phenol and the like. At present, the prior nonylphenol polyoxyethylene ether sewage treatment mostly adopts an anaerobic/aerobic combined process. However, by adopting the process, the phenolic organic matters in the water body are difficult to biodegrade, the investment and the operation cost of the biochemical treatment process are higher, and meanwhile, partial products and intermediates in the water body are damaged into micromolecular substances in the treatment process, so that the resource waste is caused.
Disclosure of Invention
The utility model provides a wastewater treatment system for in production of nonylphenol polyoxyethylene ether has solved the problem that the organic wastewater treatment who discharges exists in the production process of nonylphenol polyoxyethylene ether among the above-mentioned prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a wastewater treatment system for nonylphenol polyoxyethylene ether production comprises a centrifugal separation mechanism, a membrane separation mechanism and an adsorption filtration mechanism; the centrifugal separation mechanism is arranged at the top of the adsorption and filtration mechanism, and the membrane separation mechanism is arranged on one side of the centrifugal separation mechanism; the centrifugal separation mechanism is connected with the adsorption and filtration mechanism through a water delivery pipe, and the membrane separation mechanism is connected with the centrifugal separation mechanism through a connecting pipe and is connected with the adsorption and filtration mechanism through an oil discharge pipe; the centrifugal separation mechanism is used for separating a water phase and an oil phase in the wastewater, and the separated oil phase and the separated water phase are respectively introduced into the membrane separation mechanism and the adsorption filtration mechanism through an oil pipeline and a water pipeline;
the centrifugal separation mechanism comprises a centrifugal tank, a stirring shaft is rotatably arranged in the centrifugal tank, helical blades are arranged on the periphery of the side wall of the stirring shaft, the membrane separation mechanism comprises a separation tank and an oil-water separation membrane group arranged in the separation tank, the adsorption and filtration mechanism comprises an adsorption and filtration tank and an adsorption and filtration plate arranged in the adsorption and filtration tank, and the adsorption and filtration plate separates an inner cavity of the adsorption and filtration tank to form a first cavity and a second cavity;
a waste liquid inlet pipe and an oil delivery pipe are connected to the side wall of the centrifugal tank, one end of the oil delivery pipe is connected with the top of the separation tank, a water delivery pipe is connected to the bottom wall of the centrifugal tank, one end of the water delivery pipe is connected with the adsorption filtration tank, and the water delivery pipe is communicated with the first cavity;
the top of the centrifugal tank is provided with a mounting frame, a driving motor is fixedly mounted on the mounting frame, an output shaft of the driving motor is in transmission connection with one end of the stirring shaft, a fixed seat is fixedly arranged on the inner bottom wall of the centrifugal tank, a bearing is mounted in the fixed seat, and one end, far away from the driving motor, of the stirring shaft is arranged in the bearing in a penetrating manner;
the centrifugal separation mechanism further comprises a support frame, the support frame is installed at the top of the adsorption filtration tank, and the centrifugal tank is installed on the support frame;
a connecting pipe and an oil discharge pipe are connected to the side wall of the separation tank, one end of the connecting pipe is connected with the adsorption filtration tank, and the connecting pipe is communicated with the first cavity;
a first partition plate and a second partition plate are arranged inside the separation tank, the first partition plate and the second partition plate are arranged in parallel, the first partition plate and the second partition plate divide an inner cavity of the separation tank from top to bottom to form a liquid inlet cavity, an oil storage cavity and a water storage cavity, the oil delivery pipe is communicated with the liquid inlet cavity, the connecting pipe is communicated with the water storage cavity, and the oil discharge pipe is communicated with the oil storage cavity;
the oil-water separation membrane group is arranged between the first partition plate and the second partition plate, the liquid inlet end of the oil-water separation membrane group is arranged on the first partition plate in a penetrating mode, the liquid inlet of the oil-water separation membrane group is communicated with the liquid inlet cavity, the oil outlet end of the oil-water separation membrane group is arranged in the oil storage cavity, the oil outlet of the oil-water separation membrane group is communicated with the oil storage cavity, the water outlet end of the oil-water separation membrane group is arranged on the second partition plate in a penetrating mode, and the water outlet of the oil-water separation membrane group is communicated with the water storage cavity;
the side wall of the inner cavity of the adsorption filtering tank is provided with a mounting seat, and the adsorption filtering plate is mounted on the mounting seat; and the bottom of the side wall of the adsorption filtration tank is connected with a drain pipe, and the drain pipe is communicated with the second cavity.
Has the beneficial effects that: the utility model provides a effluent disposal system for in production of nonylphenol polyoxyethylene ether, including the centrifugal separation mechanism that is arranged in aqueous phase and oil phase among the separation waste water, be connected with centrifugal separation mechanism and be used for the membrane separation mechanism of further processing separation back oil phase to and be connected with centrifugal separation mechanism and be used for the adsorption and filtration mechanism of further processing separation back water phase, the aqueous phase that membrane separation mechanism secondary treatment oil phase obtained is carried to adsorption and filtration mechanism through the connecting pipe, and the aqueous phase that centrifugal separation mechanism and membrane separation mechanism produced all gets into in the adsorption and filtration mechanism and through adsorption and filtration board adsorption and filtration processing, through the utility model discloses an oil phase and aqueous phase that the effluent disposal system for in the production of nonylphenol polyoxyethylene ether produced after handling can be recovery processing respectively, can effectively retrieve the organic matter in the waste water, prevent that partial product and midbody in the waste water from being destroyed into the micromolecule material in the processing procedure, avoided the wasting of resources.
Drawings
FIG. 1 is a schematic structural diagram of a wastewater treatment system for nonylphenol polyoxyethylene ether production in an embodiment of the present invention;
FIG. 2 is a sectional view of a centrifugal separation mechanism in a wastewater treatment system for nonylphenol polyoxyethylene ether production according to an embodiment of the present invention;
FIG. 3 is a sectional view of a membrane separation mechanism in a wastewater treatment system for nonylphenol polyoxyethylene ether production according to an embodiment of the present invention;
FIG. 4 is a sectional view of an adsorption filtration mechanism in a wastewater treatment system for nonylphenol polyoxyethylene ether production according to an embodiment of the present invention;
in the figure: 1-centrifugal separation mechanism, 11-centrifugal tank, 111-waste liquid inlet pipe, 112-oil delivery pipe, 113-water delivery pipe, 12-support frame, 13-mounting frame, 14-driving motor, 15-stirring shaft, 16-helical blade, 17-fixing seat, 18-bearing, 2-membrane separation mechanism, 21-separation tank, 211-connecting pipe, 212-oil discharge pipe, 213-liquid inlet chamber, 214-oil storage chamber, 215-water storage chamber, 22-first partition plate, 23-second partition plate, 24-oil-water separation membrane group, 3-adsorption filtration mechanism, 31-adsorption filtration tank, 311-water discharge pipe, 312-first chamber, 313-second chamber, 32-mounting seat and 33-adsorption filtration plate.
Detailed Description
The invention will be described in detail with reference to the following drawings and specific embodiments:
as shown in figure 1, the waste water treatment system for producing the polyoxyethylene nonyl phenyl ether is used for treating industrial waste water generated in the production of the polyoxyethylene nonyl phenyl ether and comprises a centrifugal separation mechanism 1 used for separating a water phase and an oil phase in the industrial waste water, a membrane separation mechanism 2 connected with the centrifugal separation mechanism 1 and used for further treating the separated oil phase, and an adsorption and filtration mechanism 3 connected with the centrifugal separation mechanism 1 and used for further treating the separated water phase, wherein the centrifugal separation mechanism 1 is arranged at the top of the adsorption and filtration mechanism 3, the membrane separation mechanism 2 is arranged on one side of the centrifugal separation mechanism 1, the industrial waste water generated in the production of the polyoxyethylene nonyl phenyl ether is conveyed to the centrifugal separation mechanism 1 for centrifugal separation, the separated oil phase is conveyed to the membrane separation mechanism 2 through a pipeline for secondary treatment, and the separated water phase is conveyed to the adsorption and filtration mechanism 3 through another pipeline for secondary treatment, so that the subsequent treatment of the waste water is facilitated.
As shown in fig. 2, the centrifugal separation mechanism 1 includes a centrifugal tank 11 for centrifugally separating the wastewater and a support frame 12 erected on the adsorption and filtration mechanism 3 for supporting the centrifugal tank 11, the centrifugal tank 11 is installed on the support frame 12, a waste liquid inlet pipe 111 for conveying the wastewater and an oil conveying pipe 112 for conveying the separated oil phase are connected to a side wall of the centrifugal tank 11, one end of the oil conveying pipe 112 is connected to a top end of the membrane separation mechanism 2, a water conveying pipe 113 for conveying the separated water phase is connected to a bottom of the centrifugal tank 11, one end of the water conveying pipe 113 is connected to the adsorption and filtration mechanism 3, an installation frame 13 is arranged at a top of the centrifugal tank 11, a driving motor 14 is fixedly installed on the installation frame 13, a stirring shaft 15 is rotatably installed inside the centrifugal tank 11, an output shaft of the driving motor 14 is in transmission connection with a top end of the stirring shaft 15, helical blades 16 for centrifugally stirring the wastewater are arranged around a side wall of the stirring shaft 15, a fixing seat 17 matched with the stirring shaft 15 is fixedly arranged on an inner bottom wall of the centrifugal tank 11, a bearing 18 is installed inside the fixing seat 17, one end of the stirring shaft 15 far away from the driving motor 14 penetrates through the bearing 18, the driving motor 14 to drive the helical blades 15, thereby driving the wastewater in the centrifugal tank 11, the wastewater is driven by the centrifugal tank 11, the wastewater is treated by the action of the centrifugal wastewater conveying the centrifugal tank 11, and the wastewater, the wastewater conveying mechanism, the wastewater, and the wastewater is carried out by the action of the centrifugal tank 11, the wastewater, and the wastewater conveying mechanism, and the wastewater by the centrifugal tank 2, and the centrifugal mechanism, and the action of the centrifugal mechanism, and the wastewater conveying mechanism, and the wastewater by the centrifugal mechanism, and the wastewater.
As shown in fig. 3, the membrane separation mechanism 2 includes a separation tank 21 disposed at one side of the centrifugal separation mechanism 1 for storing and processing an oil phase, one end of an oil pipe 112 is connected to the top of the separation tank 21, a connection pipe 211 for conveying a water phase and an oil discharge pipe 212 for conveying the oil phase are connected to a side wall of the separation tank 21, one end of the connection pipe 211 is connected to the adsorption filter 3, a first partition 22 and a second partition 23 for partitioning an inner cavity of the separation tank 21 are disposed inside the separation tank 21, the first partition 22 and the second partition 23 are disposed in parallel, and the first partition 22 and the second partition 23 partition separate the inner cavity of the separation tank 21 from top to bottom to form an oil inlet cavity 213 for containing the oil phase, an oil storage cavity 214 for containing the further separated oil phase, and a water storage cavity 215 for containing the further separated water phase from the oil phase, wherein the oil pipe 112 is communicated with the oil inlet cavity 213, the connection pipe 211 is communicated with the water storage cavity 215, and the oil discharge pipe 212 is communicated with the oil storage cavity 214; an oil-water separation membrane group 24 for separating an oil phase is arranged between the first partition plate 22 and the second partition plate 23, a liquid inlet end of the oil-water separation membrane group 24 is arranged on the first partition plate 22 in a penetrating mode, a liquid inlet of the oil-water separation membrane group 24 is communicated with the liquid inlet cavity 213, an oil outlet end of the oil-water separation membrane group 24 is arranged in the oil storage cavity 214, an oil outlet of the oil-water separation membrane group 24 is communicated with the oil storage cavity 214, a water outlet end of the oil-water separation membrane group 24 is arranged on the second partition plate 23 in a penetrating mode, a water outlet of the oil-water separation membrane group 24 is communicated with the water storage cavity 215, the centrifugally separated oil phase contains residual water phase, the oil phase containing the residual water phase is conveyed into the liquid inlet cavity 213 through the oil conveying pipe 112 and enters the oil-water separation membrane group 24 for membrane separation treatment, the separated oil phase enters the oil storage cavity 214 for storage and is discharged and collected through the oil discharge pipe 212, and the separated water phase enters the water storage cavity 215 for storage and is conveyed into the adsorption and filtration mechanism 3 through the connecting pipe 211 for retreatment.
As shown in fig. 4, the adsorption and filtration mechanism 3 includes an adsorption and filtration tank 31 for processing the water phase, the adsorption and filtration tank 31 is disposed below the centrifugal separation mechanism 1, the support frame 12 is installed on the top of the adsorption and filtration tank 31, and one end of the water pipe 113 and one end of the connection pipe 211 are both connected to the adsorption and filtration tank 31; the bottom of the side wall of the adsorption filtration tank 31 is connected with a drain pipe 311 for discharging the treated water phase, the side wall of the inner cavity of the adsorption filtration tank 31 is provided with a mounting seat 32, an adsorption filtration plate 33 for performing adsorption filtration on the water phase is mounted on the mounting seat 32, the adsorption filtration plate 33 separates the inner cavity of the adsorption filtration tank 31 into a first cavity 312 and a second cavity 313, wherein the water pipe 113 and the connecting pipe 211 are communicated with the first cavity 312, and the drain pipe 311 is communicated with the second cavity 313.
When wastewater is treated, firstly, the wastewater is conveyed into the centrifugal tank 11, the driving motor 14 is started at the same time, the driving motor 14 drives the stirring shaft 15 to drive the helical blade 16 to rotate, so that the wastewater in the centrifugal tank 11 is stirred, a water phase and an oil phase of the wastewater are separated under the action of centrifugal force, the oil phase is conveyed into the liquid inlet cavity 213 through the oil conveying pipe 112 and enters the oil-water separation membrane group 24 for membrane separation treatment, the separated oil phase enters the oil storage cavity 214 for storage and is discharged and collected through the oil discharge pipe 212, the separated water phase enters the water storage cavity 215 for storage and is conveyed into the first cavity 312 through the connecting pipe 211, meanwhile, the water separated and generated by the centrifugal separation mechanism 1 is conveyed into the first cavity 312 through the water conveying pipe 113, and the water phase in the first cavity 312 is discharged and collected through the water discharge pipe 311 after being adsorbed and filtered by the adsorption filter plate 33; the oil phase and the water phase generated after the treatment by the wastewater treatment system can be respectively recovered, so that the phenolic organic matters in the wastewater can be effectively recovered, partial products and intermediates in the wastewater are prevented from being damaged into micromolecular substances in the treatment process, and the resource waste is avoided.
The above description is only a preferred embodiment of the present invention, and various changes and modifications can be made by those skilled in the art without departing from the scope of the present invention, which belongs to the protection scope of the present invention.

Claims (10)

1. A effluent disposal system for in production of nonyl phenol polyoxyethylene ether which characterized in that: comprises a centrifugal separation mechanism, a membrane separation mechanism and an adsorption filtration mechanism; the centrifugal separation mechanism is arranged at the top of the adsorption and filtration mechanism, the membrane separation mechanism is arranged on one side of the centrifugal separation mechanism, the centrifugal separation mechanism is used for separating a water phase and an oil phase in the wastewater, and the separated oil phase and the separated water phase are respectively introduced into the membrane separation mechanism and the adsorption and filtration mechanism through an oil pipeline and a water pipeline; the membrane separation mechanism is used for carrying out secondary treatment on the oil phase, and the water phase obtained by the secondary treatment is conveyed to the adsorption and filtration mechanism through the connecting pipe.
2. The wastewater treatment system for use in nonylphenol polyoxyethylene ether production according to claim 1, wherein: the centrifugal separation mechanism comprises a centrifugal tank; a waste liquid inlet pipe is arranged on the side surface of the centrifugal tank; the top installation driving motor of centrifugation jar, driving motor's output shaft top, the (mixing) shaft is located the inside of centrifugation jar, the lateral wall of (mixing) shaft is provided with helical blade all around, the fixed fixing base that is provided with on the inner wall bottom of centrifugation jar, install the bearing in the fixing base, the (mixing) shaft bottom is worn to establish in the bearing.
3. The wastewater treatment system for use in nonylphenol polyoxyethylene ether production according to claim 2, wherein: the top of the centrifugal tank is provided with a mounting frame for fixing a driving motor.
4. The wastewater treatment system for use in nonylphenol polyoxyethylene ether production according to claim 1 or 2, wherein: the centrifugal separation mechanism is arranged at the top of the adsorption and filtration mechanism through a support frame.
5. The wastewater treatment system for use in nonylphenol polyoxyethylene ether production according to claim 1, wherein: the membrane separation mechanism comprises a separation tank and an oil-water separation membrane group; a first partition plate and a second partition plate which are parallel to each other are arranged in the separation tank to divide the inner cavity of the separation tank from top to bottom to form a liquid inlet cavity, an oil storage cavity and a water storage cavity; the part of the side wall of the separation tank, which is positioned in the oil storage cavity, is connected with an oil discharge pipe; the oil-water separation membrane group is installed between the first partition plate and the second partition plate, the liquid inlet end of the oil-water separation membrane group is arranged on the first partition plate in a penetrating mode, the liquid inlet is communicated with the liquid inlet cavity, the oil outlet end is arranged in the oil storage cavity, the water outlet end is arranged on the second partition plate in a penetrating mode, and the water outlet is communicated with the water storage cavity.
6. The wastewater treatment system for use in nonylphenol polyoxyethylene ether production according to claim 5, wherein: an oil discharge pipe is arranged on the side face of the oil storage cavity.
7. The wastewater treatment system for use in nonylphenol polyoxyethylene ether production according to claim 2 or 5, wherein: one end of the oil delivery pipe is connected with the side wall of the centrifugal tank, and the other end of the oil delivery pipe is connected with the top end of the separation tank.
8. The wastewater treatment system for use in nonylphenol polyoxyethylene ether production according to claim 1, wherein: the adsorption and filtration mechanism comprises an adsorption and filtration tank and an adsorption and filtration plate, the adsorption and filtration plate is arranged in the adsorption and filtration tank, the inner cavity of the adsorption and filtration tank is vertically separated to form a first cavity and a second cavity, and the water delivery pipe and the connecting pipe are communicated with the first cavity.
9. The wastewater treatment system for use in nonylphenol polyoxyethylene ether production of claim 8 which comprises: and a drain pipe is arranged on the side wall of the second cavity.
10. The wastewater treatment system for use in nonylphenol polyoxyethylene ether production according to claim 8, wherein: the adsorption filter plate is an activated carbon plate or a molecular sieve plate.
CN202223141592.8U 2022-11-25 2022-11-25 A effluent disposal system for in nonylphenol polyoxyethylene ether production Active CN218811219U (en)

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CN202223141592.8U CN218811219U (en) 2022-11-25 2022-11-25 A effluent disposal system for in nonylphenol polyoxyethylene ether production

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Application Number Priority Date Filing Date Title
CN202223141592.8U CN218811219U (en) 2022-11-25 2022-11-25 A effluent disposal system for in nonylphenol polyoxyethylene ether production

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CN218811219U true CN218811219U (en) 2023-04-07

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