CN209763100U - Device for reducing COD (chemical oxygen demand) of organic wastewater through thermal storage oxidation - Google Patents
Device for reducing COD (chemical oxygen demand) of organic wastewater through thermal storage oxidation Download PDFInfo
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- CN209763100U CN209763100U CN201920275961.1U CN201920275961U CN209763100U CN 209763100 U CN209763100 U CN 209763100U CN 201920275961 U CN201920275961 U CN 201920275961U CN 209763100 U CN209763100 U CN 209763100U
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- washing tower
- furnace body
- gas
- thermal oxidation
- regenerator
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Abstract
The utility model discloses a device that organic waste water COD is subducted in thermal oxidation, including furnace body, washing tower and chimney, be equipped with the regenerator in the middle of the furnace body, regenerator top and below are equipped with thermal oxidation chamber and gas distribution room respectively, the natural gas combustor is installed to thermal oxidation chamber one side of furnace body, thermal oxidation chamber one side of furnace body has oxygenating fan and heat exchanger through the pipe mounting respectively. The waste gas is pressurized by a waste gas fan and enters a gas distribution chamber, then enters a regenerator to be preheated to about 750 ℃, the preheated tail gas enters a thermal oxidation chamber to be oxidized and decomposed, organic matters contained in the tail gas are sufficiently oxidized and decomposed in the thermal oxidation chamber, the oxidation temperature is maintained at 800-900 ℃, then the flue gas continuously enters the regenerator to release heat so as to preheat the tail gas, the flue gas after heat exchange is washed by a first alkaline washing tower and a second alkaline washing tower to remove acid, fog drops carried in the flue gas are removed by a demisting section, and then the flue gas is sucked by a draught fan and is discharged to the ambient atmosphere by a chimney.
Description
Technical Field
The utility model relates to an organic waste water treatment technical field specifically is a device that organic waste water COD is subducted in thermal storage oxidation.
Background
The organic wastewater is wastewater mainly containing organic pollutants, and is easy to cause water eutrophication and has large harm. The physical and chemical method is usually used as a pretreatment means for organic wastewater treatment, and the purpose of pretreatment is to remove organic matters, improve biochemical property, reduce biochemical treatment load and improve treatment efficiency by recovering useful components in wastewater or treating some difficultly biodegradable matters. The physical and chemical methods generally used include extraction, adsorption, concentration, ultrasonic degradation and the like. The COD reduction effect of the common wastewater treatment mode is poor, so that the device for reducing the COD of the organic wastewater by thermal storage oxidation is necessary to solve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device that organic waste water COD is subducted in thermal storage oxidation to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a device that organic waste water COD is subducted in heat accumulation oxidation, includes furnace body, washing tower and chimney, be equipped with the regenerator in the middle of the furnace body, regenerator top and below are equipped with thermal oxidation chamber and gas distribution room respectively, the natural gas burner is installed to thermal oxidation chamber one side of furnace body, there are oxygenating fan and heat exchanger in thermal oxidation chamber one side of furnace body through the pipe mounting respectively, there is the exhaust fan through the pipe mounting between the gas distribution room of washing tower and furnace body, there are first alkaline washing tower and second alkaline washing tower through the pipe connection between furnace body and the chimney, there is the draught fan through the pipe connection between second alkaline washing tower and the chimney.
Preferably, a wastewater circulating spray pump, a first circulating water pump and a second circulating water pump are respectively installed on one side of the water washing tower, one side of the first alkaline washing tower and one side of the second alkaline washing tower.
Preferably, one side of the gas distribution chamber inside the furnace body is connected with a back-blowing fan through a pipeline.
Preferably, the input ends of the natural gas burner and the heat exchanger are respectively communicated with a natural gas inlet pipe and a soft water inlet pipe.
Preferably, the water scrubber, the first alkaline washing tower and the second alkaline washing tower are communicated with a high-temperature steam inlet pipe and an industrial water inlet pipe.
Preferably, the output end of the water washing tower is communicated with a production waste gas inlet pipe.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a device that organic waste water COD is subducted in thermal storage oxidation, novel structure, organic waste water pass through waste water circulation spray pump send into the scrubbing tower in, the volume that high temperature steam got into the scrubbing tower according to required temperature regulation in the scrubbing tower, and the low boiling organic matter that waste water contained inside volatilizees and gets into RTO device pyroxidation along with waste gas after being heated to the uniform temperature. The waste gas is pressurized by a waste gas fan and enters a gas distribution chamber, then enters a regenerator to be preheated to about 750 ℃, the preheated tail gas enters a thermal oxidation chamber to be oxidized and decomposed, organic matters contained in the tail gas are sufficiently oxidized and decomposed in the thermal oxidation chamber, the oxidation temperature is maintained at 800-900 ℃, then the flue gas continuously enters the regenerator to release heat so as to preheat the tail gas, the flue gas after heat exchange is washed by a first alkaline washing tower and a second alkaline washing tower to remove acid, fog drops carried in the flue gas are removed by a demisting section, and then the flue gas is sucked by a draught fan and is discharged to the ambient atmosphere by a chimney.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a furnace body; 2. a regenerator; 3. a chimney; 4. a thermal oxidation chamber; 5. a gas distribution chamber; 6. a natural gas burner; 7. an oxygen supplementing fan; 8. a heat exchanger; 9. a back-blowing fan; 10. washing the tower with water; 11. a first caustic wash tower; 12. a second caustic wash column; 13. a waste gas fan; 14. an induced draft fan; 15. a wastewater circulating spray pump; 16. a first circulating water pump; 17. a second circulating water pump; 18. a high-temperature steam inlet pipe; 19. a soft water inlet pipe; 20. a natural gas inlet pipe; 21. a production waste gas inlet pipe; 22. industrial water inlet pipe.
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, the present invention provides a technical solution: the utility model provides a device that organic waste water COD is subducted in heat accumulation oxidation, includes furnace body 1, washing tower 10 and chimney 3, be equipped with regenerator 2 in the middle of the furnace body 1, regenerator 2 tops and below are equipped with thermal oxidation chamber 4 and gas distribution chamber 5 respectively, natural gas burner 6 is installed to thermal oxidation chamber 4 one side of furnace body 1, there are oxygenating fan 7 and heat exchanger 8 in thermal oxidation chamber 4 one side of furnace body 1 through the pipe installation respectively, there is exhaust fan 13 through the pipe installation between washing tower 10 and the gas distribution chamber 5 of furnace body 1, there are first alkaline washing tower 11 and second alkaline washing tower 12 through the pipe connection between furnace body 1 and the chimney 3, there is draught fan 14 through the pipe connection between second alkaline washing tower 12 and the chimney 3.
And a wastewater circulating spray pump 15, a first circulating water pump 16 and a second circulating water pump 17 are respectively installed on one side of the water washing tower 10, one side of the first alkaline washing tower 11 and one side of the second alkaline washing tower 12, and the wastewater circulating spray pump 15, the first circulating water pump 16 and the second circulating water pump 17 respectively circulate industrial water in the water washing tower 10, the first alkaline washing tower 11 and the second alkaline washing tower 12. One side of the gas distribution chamber 5 in the furnace body 1 is connected with a back-blowing fan 9 through a pipeline. The input ends of the natural gas burner 6 and the heat exchanger 8 are respectively communicated with a natural gas inlet pipe 20 and a soft water inlet pipe 19. The water scrubber 10, the first alkaline scrubber 11 and the second alkaline scrubber 12 are all communicated with a high-temperature steam inlet pipe 18 and an industrial water inlet pipe 22. The output end of the water washing tower 10 is communicated with a production waste gas inlet pipe 21.
The working principle is as follows: the utility model discloses novel structure, organic waste water sprays the pump 15 through waste water circulation and sends into washing tower 10 in, the volume that high temperature steam got into washing tower 10 according to required temperature regulation in the washing tower 10, and the low boiling organic matter that waste water contained the inside volatilizees and gets into RTO device high temperature oxidation along with waste gas after being heated to the uniform temperature and decompose. Waste gas is pressurized by a waste gas fan 13 and enters a gas distribution chamber 5, then enters a regenerator 2 to be preheated to about 750 ℃, the preheated tail gas enters a thermal oxidation chamber 4 to be oxidized and decomposed, organic matters contained in the tail gas are sufficiently oxidized and decomposed in the thermal oxidation chamber 4, the oxidation temperature is maintained at 800-900 ℃, then the flue gas continuously enters the regenerator 2 to release heat so as to preheat the tail gas, the heat-exchanged flue gas is washed by a first alkaline washing tower 11 and a second alkaline washing tower 12 to remove acid, fog drops carried in the flue gas are removed by a demisting section, and then the flue gas is sucked by a draught fan 14 and is discharged to the ambient atmosphere by a chimney 3.
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. The utility model provides a device of organic waste water COD is subducted in heat accumulation oxidation, includes furnace body (1), washing tower (10) and chimney (3), its characterized in that: be equipped with regenerator (2) in the middle of furnace body (1), regenerator (2) top and below are equipped with thermal oxidation room (4) and gas distribution room (5) respectively, natural gas combustor (6) are installed to thermal oxidation room (4) one side of furnace body (1), there are oxygenating fan (7) and heat exchanger (8) thermal oxidation room (4) one side of furnace body (1) through the pipe installation respectively, install exhaust fan (13) through the pipeline between gas distribution room (5) of washing tower (10) and furnace body (1), there are first alkaline washing tower (11) and second alkaline washing tower (12) through the pipe connection between furnace body (1) and chimney (3), there is draught fan (14) through the pipe connection between second alkaline washing tower (12) and chimney (3).
2. The device for thermal storage oxidation reduction of organic wastewater COD according to claim 1, characterized in that: and a wastewater circulating spray pump (15), a first circulating water pump (16) and a second circulating water pump (17) are respectively installed on one side of the water washing tower (10), one side of the first alkaline washing tower (11) and one side of the second alkaline washing tower (12).
3. The device for thermal storage oxidation reduction of organic wastewater COD according to claim 1, characterized in that: one side of the gas distribution chamber (5) in the furnace body (1) is connected with a back-blowing fan (9) through a pipeline.
4. The device for thermal storage oxidation reduction of organic wastewater COD according to claim 1, characterized in that: the input ends of the natural gas burner (6) and the heat exchanger (8) are respectively communicated with a natural gas inlet pipe (20) and a soft water inlet pipe (19).
5. The device for thermal storage oxidation reduction of organic wastewater COD according to claim 1, characterized in that: the water scrubber (10), the first alkaline scrubber (11) and the second alkaline scrubber (12) are communicated with a high-temperature steam inlet pipe (18) and an industrial water inlet pipe (22).
6. The device for thermal storage oxidation reduction of organic wastewater COD according to claim 1, characterized in that: the output end of the water washing tower (10) is communicated with a production waste gas inlet pipe (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920275961.1U CN209763100U (en) | 2019-03-05 | 2019-03-05 | Device for reducing COD (chemical oxygen demand) of organic wastewater through thermal storage oxidation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920275961.1U CN209763100U (en) | 2019-03-05 | 2019-03-05 | Device for reducing COD (chemical oxygen demand) of organic wastewater through thermal storage oxidation |
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| Publication Number | Publication Date |
|---|---|
| CN209763100U true CN209763100U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920275961.1U Expired - Fee Related CN209763100U (en) | 2019-03-05 | 2019-03-05 | Device for reducing COD (chemical oxygen demand) of organic wastewater through thermal storage oxidation |
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| Country | Link |
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| CN (1) | CN209763100U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114198758A (en) * | 2021-12-06 | 2022-03-18 | 江苏瑞鼎环境工程有限公司 | Normal butane method maleic anhydride tail gas is with incineration disposal system |
-
2019
- 2019-03-05 CN CN201920275961.1U patent/CN209763100U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114198758A (en) * | 2021-12-06 | 2022-03-18 | 江苏瑞鼎环境工程有限公司 | Normal butane method maleic anhydride tail gas is with incineration disposal system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 |