CN215049238U - Waste water oxidation treatment device - Google Patents
Waste water oxidation treatment device Download PDFInfo
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- CN215049238U CN215049238U CN202120213324.9U CN202120213324U CN215049238U CN 215049238 U CN215049238 U CN 215049238U CN 202120213324 U CN202120213324 U CN 202120213324U CN 215049238 U CN215049238 U CN 215049238U
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Abstract
The utility model relates to a chemical industry field, concretely relates to waste water oxidation treatment device, include first oxidation tower and the second oxidation tower through the pipeline series connection, the import both sides of first oxidation tower bottom are connected with water supply system and oxygen system respectively, water supply system is used for carrying the waste water after the pressurization, oxygen system is used for carrying the oxygen after the pressurization, and the export on second oxidation tower upper portion is through pipe connection to gas-liquid separation system, all is provided with the catalysis bed in first oxidation tower and the second oxidation tower, is provided with the catalyst on the catalysis bed, has still established ties heating system on first oxidation tower and the second oxidation tower. The utility model provides an adopt among the prior art that the incineration method handles the cost that contains salt high concentration organic waste water higher, the poor problem that just can produce harmful waste gas of continuity, whole equipment is simple, and area is little, can serialization automated production.
Description
Technical Field
The utility model relates to a chemical industry field, concretely relates to waste water oxidation treatment device.
Background
In the rubber vulcanization process, a rubber vulcanization accelerator is often needed, and the rubber vulcanization accelerator can accelerate the crosslinking reaction of a vulcanizing agent and rubber molecules, so that the effects of shortening the vulcanization time and reducing the vulcanization temperature are achieved. The wastewater generated in the production process of the rubber auxiliary accelerator dithiocarbamate belongs to salt-containing high-concentration refractory organic wastewater, has the characteristics of high pollutant content, high toxicity, high salt content, chlorine and the like, can cause severe pollution to water, deterioration of ecological environment and threat of human health, and can be discharged after the wastewater is treated to reach the standard.
In the prior art, the method for treating the saline-containing high-concentration refractory organic industrial wastewater is mainly a burning method, but the burning method has high cost and poor continuity, and the burning method can generate sulfur oxide, nitrogen oxide, dioxin and other waste gases, so an effective treatment technology needs to be developed to ensure that the wastewater after treatment reaches the discharge standard.
Disclosure of Invention
In order to solve the problem that the cost of adopting the incineration method to handle the organic waste water that contains salt high concentration among the prior art is higher, the continuity is poor and can produce harmful waste gas, the utility model provides a waste water oxidation treatment device.
The utility model provides a waste water oxidation treatment device, includes first oxidation tower and the second oxidation tower through the pipeline series connection, the import both sides of first oxidation tower bottom are connected with water supply system and oxygen system respectively, water supply system is used for carrying the waste water after the pressurization, oxygen system is used for carrying the oxygen after the pressurization, and the export on second oxidation tower upper portion is connected to gas-liquid separation system through the pipeline, all is provided with the catalytic bed in first oxidation tower and the second oxidation tower, is provided with the catalyst on the catalytic bed, has still established ties heating system on first oxidation tower and the second oxidation tower.
Further, the first oxidation tower and the second oxidation tower have the same structure, each of the first oxidation tower and the second oxidation tower comprises an inner cylinder and an outer cylinder, the catalyst bed is arranged inside the inner cylinder, a heating medium of the heating system flows through a gap between the inner cylinder and the outer cylinder to realize heating, and the outer cylinders of the first oxidation tower and the second oxidation tower are connected in series through a pipeline.
Further, the water supply system comprises a waste water storage tank, a filter screen is arranged on the waste water storage tank, the waste water storage tank is connected with a plunger pump through a pipeline, and the plunger pump is connected to an inlet through a pipeline and is provided with a flow meter and a stop valve on the pipeline.
Further, oxygen system includes the oxygenerator, be connected with the oxygen buffer tank on the oxygenerator, the oxygen buffer tank passes through pipe connection to oxygen compressor, and oxygen compressor passes through pipe connection to import and is provided with flowmeter and stop valve on the pipeline.
Further, the heating system comprises an electric heating oil furnace, the electric heating oil furnace is connected with a hot oil pump through a pipeline, the hot oil pump sequentially conveys hot oil to gaps between the second oxidation tower and the inner and outer cylinders of the first oxidation tower through the pipeline, the heating system finally recovers cold oil through an oil return pipeline, one end of the oil return pipeline is connected to the side face of the first oxidation tower, the other end of the oil return pipeline is connected with the electric heating oil furnace, and a waste heat boiler is further arranged on the oil return pipeline.
Further, the outlets of the tops of the first oxidation tower and the second oxidation tower are respectively provided with a thermometer and a pressure gauge, the thermometer and the pressure gauge are respectively connected with a PID controller, and the PID controller is connected with stop valves on a water supply system and an oxygen supply system.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model comprises a first oxidation tower and a second oxidation tower which are connected in series through pipelines, which can avoid the back mixing phenomenon caused by the reaction of single carbon oxide; the first oxidation tower is connected with a water supply system and an oxygen supply system, so that the wastewater and oxygen can be pressurized and then conveniently enter the oxidation tower for reaction, and meanwhile, the amounts of the wastewater and the oxidant can be accurately controlled, and the reaction is conveniently controlled; heating systems are also connected in series on the first oxidation tower and the second oxidation tower, so that the system can be preheated and supplemented with heat, and the reaction rate is improved.
The water supply system comprises a waste water storage tank, and a filter screen is arranged on the waste water storage tank and can be used for carrying out rough filtration on waste water so as to prevent pipelines from being blocked; a flow meter and a stop valve are arranged between the plunger pump and the inlet of the carbon monoxide, so that the supply amount of the wastewater is conveniently controlled, and the whole reaction process is conveniently controlled; the heating system comprises an electric heating oil furnace, an oil return pipeline is connected to the electric heating oil furnace, and a waste heat boiler is arranged on the oil return pipeline, so that the waste heat of hot oil can be recycled, and the energy waste is reduced; the outlets at the tops of the first oxidation tower and the second oxidation tower are respectively provided with a thermometer and a pressure gauge, the thermometers and the pressure gauges are connected with a PID controller, the controller is connected with the stop valves of the water supply system and the oxygen supply system, water supply and oxygen supply can be controlled according to specific reaction conditions, and continuous reaction is facilitated.
Drawings
FIG. 1 is a schematic structural view of a wastewater oxidation treatment device of the present invention.
FIG. 2 is a schematic structural diagram of a first oxidation tower of the wastewater oxidation treatment device of the present invention.
The reference numbers are: 1 is a first oxidation tower, 2 is a second oxidation tower, 3 is a water supply system, 4 is an oxygen supply system, 5 is a heating system, 6 is a waste heat boiler, 7 is a thermometer, 8 is a pressure gauge, 101 is an inlet, 301 is a wastewater storage tank, 302 is a plunger pump, 401 is an oxygen generator, 402 is an oxygen buffer tank, 403 is an oxygen compressor, 501 is an electric heating oil furnace, 502 is a hot oil pump, and 503 is an oil return pipeline.
Detailed Description
The invention will be further explained with reference to the following figures and specific examples:
as shown in fig. 1-2, an oxidation treatment device for wastewater comprises a first oxidation tower 1 and a second oxidation tower 2 connected in series by a pipeline, specifically, an outlet at the top of the first oxidation tower 1 in this embodiment is connected to an inlet at the bottom of the second oxidation tower 2 by a pipeline, an outlet at the upper part of the second oxidation tower 2 is connected to a gas-liquid separation system by a pipeline, a catalyst bed is arranged in each of the first oxidation tower 1 and the second oxidation tower 2, a catalyst is arranged on the catalyst bed, specifically, the catalyst in this embodiment is a titanium-based semiconductor catalyst, a heating system 5 is further connected in series on each of the first oxidation tower 1 and the second oxidation tower 2, the first oxidation tower 1 and the second oxidation tower 2 have the same structure, each of the first oxidation tower 1 and the second oxidation tower 2 comprises an inner cylinder and an outer cylinder, the catalyst bed is arranged in the inner cylinder, a heating medium of the heating system 5 flows through a gap between the inner cylinder and the outer cylinder to realize heating, establish ties through the pipeline between the urceolus of first oxidation tower 1 and second oxidation tower 2, and the import 101 both sides of 1 bottom of first oxidation tower are connected with water supply system 3 and oxygen system 4 respectively, water supply system 3 is used for carrying the waste water after the pressurization, oxygen system 4 is used for carrying the oxygen after the pressurization, and the exit at 2 tops of first oxidation tower 1 and second oxidation tower all is provided with thermometer 7 and manometer 8, thermometer 7 and manometer 8 all are connected with the PID controller, the PID controller is connected with the stop valve on water supply system 3 and the oxygen system 4. Specifically, the thermometer 7 in the present embodiment is a thermocouple thermometer, and the pressure gauge 8 is a diaphragm pressure gauge.
The water supply system 3 comprises a waste water storage tank 301, a filter screen is arranged on the waste water storage tank 301, the waste water storage tank 301 is connected with a plunger pump 302 through a pipeline, the plunger pump 302 is connected to the inlet 101 through a pipeline, and a flow meter and a stop valve are arranged on the pipeline; the oxygen supply system 4 comprises an oxygen generator 401, wherein an oxygen buffer tank 402 is connected to the oxygen generator 401, the oxygen buffer tank 402 is connected to an oxygen compressor 403 through a pipeline, the oxygen compressor 403 is connected to the inlet 101 through a pipeline, and a flow meter and a stop valve are arranged on the pipeline, specifically, the flow meter in the embodiment is a metal rotameter; the heating system 5 comprises an electric heating oil furnace 501, the electric heating oil furnace 501 is connected with a hot oil pump 502 through a pipeline, the hot oil pump 502 sequentially conveys hot oil to gaps between the inner cylinders and the outer cylinders of the second oxidation tower 2 and the first oxidation tower 1 through pipelines, the heating system 5 finally recovers cold oil through an oil return pipeline 503, one end of the oil return pipeline 503 is connected to the side surface of the first oxidation tower 1, the other end of the oil return pipeline is connected with the electric heating oil furnace 501, and a waste heat boiler 6 is further arranged on the oil return pipeline 503.
When the utility model is used, the worker firstly starts the heating system 5 to preheat the system, specifically, the worker opens the switch of the electric oil heating furnace 501, the hot oil enters the second oxidation tower 2 and the first oxidation tower 1 in sequence through the hot oil pump 502 to preheat, when the temperature in the first oxidation tower 1 and the second oxidation tower 2 reaches the standard, the temperature in the embodiment reaches 280 ℃, the worker starts the water supply system 3, the high-concentration waste water containing salt in the waste water storage tank 301 is pressurized by the plunger pump 302 after rough filtration and then pumped into the first oxidation tower 1, and simultaneously, the worker opens the oxygen supply system 4, the oxygen generator 401 sends the prepared oxygen into the oxygen buffer tank 402, the oxygen is fed into the first oxidation tower 1 after being pressurized by the oxygen compressor 403 after being balanced by the oxygen buffer tank 402, the oxygen enters after being mixed with the waste water at the inlet 101 of the first oxidation tower 1, the catalytic oxidation reaction is carried out by the catalyst in the first oxidation tower 1, the wastewater after the reaction in the first oxidation tower 1 enters the second oxidation tower 2 through a pipeline to perform the same reaction, and the wastewater after the reaction enters the next step of gas-liquid separation, specifically, the wastewater after the reaction in the second oxidation tower 2 enters a flash evaporation tank after being decompressed, and is desalted or enters an anaerobic tank, or is directly discharged after reaching the standard.
In the reaction process, the reactor is preheated by a heating system 5 when being started, and heat is not required to be continuously supplied after the equipment normally operates, and the reaction heat generated by catalytic oxidation in the first oxidation tower 1 and the second oxidation tower 2 is utilized; after the reaction starts to operate normally, the electric oil heating furnace 501 outputs low-temperature oil, the low-temperature oil sequentially passes through the second oxidation tower 2 and the first oxidation tower 1 through pipelines, and the inside of the towers is recycled through the waste heat boiler 6; meanwhile, in the reaction process, the temperature gauge 7, the pressure gauge 8 and the PID controller can control the reaction progress according to the conditions of the temperature and the pressure in the first oxidation tower 1 and the second oxidation tower 2, and the stable operation of equipment is ensured.
The utility model discloses can serialization production, and easily operation, the running cost is low, and the reaction is mild, does not have great temperature and pressure fluctuation in the reaction process, and COD gets rid of efficiently, is applicable to the waste water treatment of rubber auxiliary accelerator such as dithio-carbamate.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.
Claims (6)
1. The utility model provides a waste water oxidation treatment device, its characterized in that includes first oxidation tower (1) and second oxidation tower (2) through the pipeline series connection, import (101) both sides of first oxidation tower (1) bottom are connected with water supply system (3) and oxygen system (4) respectively, water supply system (3) are used for carrying the waste water after the pressurization, oxygen system (4) are used for carrying the oxygen after the pressurization, and the export on second oxidation tower (2) upper portion is connected to gas-liquid separation system through the pipeline, all is provided with the catalytic bed in first oxidation tower (1) and second oxidation tower (2), is provided with the catalyst on the catalytic bed, still establishes ties on first oxidation tower (1) and second oxidation tower (2) and has heating system (5).
2. The wastewater oxidation treatment device according to claim 1, wherein the first oxidation tower (1) and the second oxidation tower (2) are identical in structure, each of the first oxidation tower (1) and the second oxidation tower (2) comprises an inner cylinder and an outer cylinder, the catalytic bed is arranged inside the inner cylinder, a heating medium of the heating system (5) flows through a gap between the inner cylinder and the outer cylinder to realize heating, and the outer cylinders of the first oxidation tower (1) and the second oxidation tower (2) are connected in series through a pipeline.
3. An oxidation treatment device for waste water according to claim 1, characterized in that the water supply system (3) comprises a waste water storage tank (301), a filter screen is arranged on the waste water storage tank (301), the waste water storage tank (301) is connected with a plunger pump (302) through a pipeline, the plunger pump (302) is connected to the inlet (101) through a pipeline, and a flow meter and a stop valve are arranged on the pipeline.
4. An oxidation treatment device for wastewater according to claim 2, characterized in that the oxygen supply system (4) comprises an oxygen generator (401), an oxygen buffer tank (402) is connected to the oxygen generator (401), the oxygen buffer tank (402) is connected to the oxygen compressor (403) through a pipeline, the oxygen compressor (403) is connected to the inlet (101) through a pipeline, and a flow meter and a stop valve are arranged on the pipeline.
5. The wastewater oxidation treatment device according to claim 2, wherein the heating system (5) comprises an electric heating oil furnace (501), the electric heating oil furnace (501) is connected with a hot oil pump (502) through a pipeline, the hot oil pump (502) sequentially conveys hot oil to the second oxidation tower (2) and a gap between the inner cylinder and the outer cylinder of the first oxidation tower (1) through pipelines, the heating system (5) finally recovers cold oil through an oil return pipeline (503), one end of the oil return pipeline (503) is connected to the side surface of the first oxidation tower (1), the other end of the oil return pipeline is connected with the electric heating oil furnace (501), and a waste heat boiler (6) is further arranged on the oil return pipeline (503).
6. The wastewater oxidation treatment device according to claim 1, wherein a thermometer (7) and a pressure gauge (8) are arranged at the outlets of the tops of the first oxidation tower (1) and the second oxidation tower (2), the thermometer (7) and the pressure gauge (8) are connected with a PID controller, and the PID controller is connected with stop valves on the water supply system (3) and the oxygen supply system (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120213324.9U CN215049238U (en) | 2021-01-26 | 2021-01-26 | Waste water oxidation treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120213324.9U CN215049238U (en) | 2021-01-26 | 2021-01-26 | Waste water oxidation treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215049238U true CN215049238U (en) | 2021-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120213324.9U Active CN215049238U (en) | 2021-01-26 | 2021-01-26 | Waste water oxidation treatment device |
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| CN (1) | CN215049238U (en) |
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2021
- 2021-01-26 CN CN202120213324.9U patent/CN215049238U/en active Active
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