CN210951341U - Multifunctional inert gas system for treating VOC - Google Patents
Multifunctional inert gas system for treating VOC Download PDFInfo
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- CN210951341U CN210951341U CN201921597477.7U CN201921597477U CN210951341U CN 210951341 U CN210951341 U CN 210951341U CN 201921597477 U CN201921597477 U CN 201921597477U CN 210951341 U CN210951341 U CN 210951341U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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Abstract
A multifunctional inert gas system for treating VOC is composed of an inert gas tank, a VOC gas buffer tank, an inert gas inlet at upper end connected to an inert gas purifying system, a VOC gas buffer tank connected to combustion furnace, an air inlet connected to combustion furnace, a fuel oil inlet connected to an igniter extending into combustion furnace, a VOC gas inlet connected to the VOC gas buffer tank, a SCR reactor connected to combustion furnace via heat exchanger, a spray tower connected to spray tower, a water-seal demister connected to spray tower, a detection unit with gas outlet connected to unqualified and qualified inert gas outlets, and the qualified inert gas enters a cabin for storage or enters the inert gas extracting system for purification and then enters an inert gas tank or enters a gas releaser. The utility model has the advantages of small operation energy consumption, low operation cost and capability of purifying inert gas.
Description
Technical Field
The utility model belongs to the environmental protection field relates to a multi-functional inert gas system for handling VOC.
Background
The common treatment method of the existing VOC treatment technology is a combustion method, the combustion method has simple process and high treatment efficiency, and the removal rate of high-concentration VOCs can reach more than 95%. When the direct combustion method is used for treating low-concentration VOCs, auxiliary fuel is required to be used for maintaining combustion, the operation cost is greatly increased, and heat exchange equipment is huge.
Disclosure of Invention
1. The technical problem to be solved is as follows:
the existing combustion method for treating VOC has high operation cost and can generate secondary pollution.
2. The technical scheme is as follows:
in order to solve the above problems, the utility model provides a multi-functional inert gas system for handling VOC, including inert gas buffer tank 3, inert gas buffer tank 3 lower extreme passes through the valve and is connected with the air inlet of VOC gas buffer tank 11, and the upper end is equipped with the inert gas entry, the inert gas entry is connected with the gas outlet of inert gas purification system, VOC gas buffer tank 11 gas outlet passes through the valve and is connected with the air inlet of burning furnace 13, still includes air inlet 1, fuel oil import 2, VOC air inlet 4, air inlet 1 passes through fan 9, the valve is connected with the air inlet of burning furnace 13, fuel oil import 2 passes through the valve, fuel oil pump 10 and stretches into the some firearm 12 connection in burning furnace 13, VOC air inlet 4 passes through the valve, VOC explosion-proof fan 33 and the air inlet of VOC gas buffer tank 11 is connected, the gas outlet of the combustion furnace 13 is connected with the gas inlet of the SCR reactor 16 through the heat exchanger 15, the gas outlet of the SCR reactor 16 is connected with the gas inlet of the spray tower 19, the gas outlet of the spray tower 19 is connected with the gas inlet of the water seal demister 21, the gas outlet of the water seal demister 21 is connected with the gas inlet of the detection device 23, the gas outlet of the detection device 23 is respectively connected with an unqualified inert gas outlet and a qualified inert gas outlet through a valve, and the qualified inert gas enters the cabin for storage or enters the inert gas storage system for purification and then enters the inert gas tank 3 or enters the gas releaser 24.
Inert gas purification system includes cold machine 27 of doing, be equipped with two parallelly connected absorption towers between cold machine 27 of doing and the inert gas entry of inert gas jar 3, be absorption tower A28 and absorption tower B29 respectively, filter 26 is connected to the cold machine 27 other end of doing, air compressor machine 25 is connected to the filter 26 other end, air compressor machine 25's air inlet and qualified inert gas exit linkage.
The combustion hearth 13 is internally provided with a heat storage material 14, and the heat storage material 14 is connected with the inner wall of the combustion hearth 13.
A first wire mesh demister 18 and a spraying device 17 are arranged in the spraying tower 19, the first wire mesh demister 18 is positioned above the inside of the spraying tower 19, and the spraying device 17 is positioned below the first wire mesh demister 18.
A water tank 30 is arranged below the spray tower 19. The spraying device 17 sprays water to fall into the water tank 30, the water in the water tank 30 is pumped into the heat exchanger 15 by the water pump 32 for heat exchange, the hot water tank 7 is further arranged, and the hot water tank 7 is connected with the heat exchanger 15 through a valve and a hot water outlet 6.
The water-seal demister 21 includes a second wire mesh demister 22, and the second wire mesh demister 22 is located above the inside of the water-seal demister 21.
And an air-cooled heat exchanger 20 is arranged at the air outlet of the spray tower 19 and the air inlet of the water seal demister 21.
The water tank 30 is also positioned below the water seal demister 21 and connected with the water seal demister 21, and water in the water seal demister 21 enters the water tank 30 through a lower water outlet.
The detection device 23 detects the oxygen content, nitrogen oxide, and VOC content in the gas.
The concentration of the inert gas passing through the inert gas purification system is more than 99.9 percent.
3. Has the advantages that:
the utility model provides a multi-functional inert gas system for handling VOC, the operation energy consumption is little, and the running cost is low, can purify inert gas moreover.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in figure 1, a multifunctional inert gas system for treating VOC comprises an inert gas buffer tank 3, wherein the lower end of the inert gas buffer tank 3 is connected with the gas inlet of a VOC gas buffer tank 11 through a valve, the upper end of the inert gas buffer tank is provided with an inert gas inlet, the inert gas inlet is connected with the gas outlet of an inert gas purification system, the gas outlet of the VOC gas buffer tank 11 is connected with the gas inlet of a combustion hearth 13 through a valve, the multifunctional inert gas system further comprises an air inlet 1, a fuel oil inlet 2 and a VOC gas inlet 4, the air inlet 1 is connected with the gas inlet of the combustion hearth 13 through a fan 9 and a valve, the fuel oil inlet 2 is connected with an igniter 12 extending into the combustion hearth 13 through a valve and a fuel oil pump 10, the VOC gas inlet 4 is connected with the gas inlet of the VOC gas buffer tank 11 through a valve and a VOC fan 33, the gas outlet of the combustion hearth 13 is connected with the, the gas outlet of the SCR reactor 16 is connected with the gas inlet of the spray tower 19, the gas outlet of the spray tower 19 is connected with the gas inlet of the water seal demister 21, the gas outlet of the water seal demister 21 is connected with the gas inlet of the detection device 23, the gas outlet of the detection device 23 is respectively connected with an unqualified inert gas outlet and a qualified inert gas outlet through valves, and the qualified inert gas enters the cabin for storage or enters the inert gas storage system for purification and then enters the inert gas buffer tank 3 or enters the gas releaser 24.
Before the VOC gas is introduced, air is blown into a combustion hearth 13 through an air inlet 1 and a fan 9, fuel oil is pumped into the combustion hearth 13 through a fuel oil pump 10 through a fuel oil inlet 2, and an igniter 12 is electrified for ignition. After the furnace chamber 13 normally operates for a period of time, the temperature of the furnace chamber reaches about 760 ℃, and VOC gas is introduced. VOC gas enters the VOC gas buffer tank 11 from the VOC gas inlet 4 through the VOC explosion-proof fan 33, and enters the combustion hearth 13 after reaching a certain pressure, so that the VOC gas is combusted at the center of flame. The high-temperature flue gas passes through the heat exchanger 15 and reaches the spray tower 19, water pumped from the water tank by the water pump 32 in the heat exchanger 15 exchanges heat through the heat exchanger 15 to obtain hot water with higher temperature, and the hot water is used for places needing hot water operation. The flue gas passes through a spray device 17 of a spray tower 19 and then enters a first wire mesh demister 18 to reach an air-cooled heat exchanger 20, the temperature is further reduced, the temperature is reduced to 65 ℃, and the flue gas is discharged through a water seal demister 21. The oxygen content, nitrogen oxides, and VOC content in the gas are detected by the detection device. The off-spec inert gas is vented and the on-spec inert gas is stored in the chamber or is passed to the gas release 24.
When the inert gas with high purity is needed to be supplemented to the inert gas tank 3, the qualified inert gas enters the inert gas extracting and storing system for purification and then enters the inert gas buffer tank 3.
Inert gas purification system includes cold machine 27 of doing, be equipped with two parallelly connected absorption towers between the inert gas entry of cold machine 27 of doing and inert gas buffer tank 3, be absorption tower A28 and absorption tower B29 respectively, filter 26 is connected to the cold machine 27 other end of doing, air compressor machine 25 is connected to the filter 26 other end, air compressor machine 25's air inlet and qualified inert gas exit linkage.
And the qualified inert gas enters the inert gas buffer tank 3 after being treated by the air compressor 25, the filter 26, the cold dryer 27 and the absorption tower, and the concentration of the inert gas is more than 99.9 percent.
The combustion hearth 13 is internally provided with a heat storage material 14, and the heat storage material 14 is connected with the inner wall of the combustion hearth 13. The VOC gas is burnt in the center of the flame, the treated gas passes through the heat storage material 14, and the heat storage material 14 has the function of ensuring that the VOC in the treated gas is completely decomposed.
A first wire mesh demister 18 and a spraying device 17 are arranged in the spraying tower 19, the first wire mesh demister 18 is positioned above the inside of the spraying tower 19, and the spraying device 17 is positioned below the first wire mesh demister 18.
A water tank 30 is arranged below the spray tower 19. The spraying device 17 sprays water to fall into the water tank 30, the water in the water tank 30 is pumped into the heat exchanger 15 by the water pump 32 for heat exchange, the hot water tank 7 is further arranged, and the hot water tank 7 is connected with the heat exchanger 15 through a valve and a hot water outlet 6.
The water-seal demister 21 includes a second wire mesh demister 22, and the second wire mesh demister 22 is located above the inside of the water-seal demister 21.
And an air-cooled heat exchanger 20 is arranged at the air outlet of the spray tower 19 and the air inlet of the water seal demister 21.
The water tank 30 is also positioned below the water seal demister 21 and connected with the water seal demister 21, and water in the water seal demister 21 enters the water tank 30 through a lower water outlet.
The detection device 23 detects the oxygen content, nitrogen oxide, and VOC content in the gas.
The utility model can realize less energy consumption and treat various VOC gases; generating useful gas without pollution to realize secondary utilization; the operation cost is low, and full automation can be realized without personnel operation.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the invention.
Claims (10)
1. A multifunctional inert gas system for the treatment of VOCs comprising an inert gas buffer tank (3), characterized in that: the air inlet that inert gas buffer tank (3) lower extreme passes through valve and VOC gas buffer tank (11) is connected, and the upper end is equipped with the inert gas entry, the inert gas entry is connected with the gas outlet of inert gas purification system, VOC gas buffer tank (11) gas outlet passes through the valve and is connected with the air inlet of burning furnace (13), still includes air inlet (1), fuel oil import (2), VOC air inlet (4), air inlet (1) is connected through the air inlet of fan (9), valve and burning furnace (13), fuel oil import (2) are connected through valve, fuel oil pump (10) and some firearm (12) that stretch into burning furnace (13), VOC air inlet (4) are connected through the air inlet of valve, VOC anti-explosion fan (33) and VOC gas buffer tank (11), the gas outlet of burning furnace (13) passes through the air inlet of heat exchanger (15) and SCR reactor (16) and is connected, the gas outlet of the SCR reactor (16) is connected with the gas inlet of the spray tower (19), the gas outlet of the spray tower (19) is connected with the gas inlet of the water seal demister (21), the gas outlet of the water seal demister (21) is connected with the gas inlet of the detection device (23), the gas outlet of the detection device (23) is respectively connected with an unqualified inert gas outlet and a qualified inert gas outlet through a valve, and the qualified inert gas enters the cabin for storage or enters the inert gas purification system for purification and then enters the inert gas buffer tank (3) or enters the gas releaser (24).
2. A multi-functional inert gas system for the treatment of VOCs as recited in claim 1, wherein: inert gas purification system includes cold machine (27) of doing, be equipped with two parallelly connected absorption towers between the inert gas entry of cold machine (27) of doing and inert gas buffer tank (3), be absorption tower A (28) and absorption tower B (29) respectively, filter (26) are connected to cold machine (27) other end, air compressor machine (25) is connected to filter (26) other end, the air inlet and the qualified inert gas exit linkage of air compressor machine (25).
3. A multi-functional inert gas system for the treatment of VOCs as recited in claim 1, wherein: and a heat storage material (14) is arranged in the combustion hearth (13), and the heat storage material (14) is connected with the inner wall of the combustion hearth (13).
4. A multifunctional inert gas system for the treatment of VOCs as claimed in any one of claims 1 to 3, wherein: a first wire mesh demister (18) and a spraying device (17) are arranged in the spraying tower (19), the first wire mesh demister (18) is located above the inside of the spraying tower (19), and the spraying device (17) is located below the first wire mesh demister (18).
5. A multi-functional inert gas system for the treatment of VOCs according to claim 4, wherein: a water tank (30) is arranged below the spray tower (19), the water sprayed by the spray device (17) falls into the water tank (30), the water in the water tank (30) is pumped into the heat exchanger (15) by a water pump (32) for heat exchange, a hot water tank (7) is further arranged, and the hot water tank (7) is connected with the heat exchanger (15) through a valve and a hot water outlet (6).
6. A multifunctional inert gas system for the treatment of VOCs as claimed in any one of claims 1 to 3, wherein: the water seal demister (21) comprises a second wire mesh demister (22), and the second wire mesh demister (22) is located above the inside of the water seal demister (21).
7. A multi-functional inert gas system for the treatment of VOCs as recited in claim 6, wherein: and an air-cooled heat exchanger (20) is arranged at the air outlet of the spray tower (19) and the air inlet of the water seal demister (21).
8. A multi-functional inert gas system for the treatment of VOCs according to claim 5, wherein: the water tank (30) is also positioned below the water-seal demister (21) and is connected with the water-seal demister (21), and water in the water-seal demister (21) enters the water tank (30) through a water outlet below.
9. A multifunctional inert gas system for the treatment of VOCs as claimed in any one of claims 1-3, 5, 7, 8, wherein: the detection device (23) detects the oxygen content, nitrogen oxide and VOC content in the gas.
10. A multifunctional inert gas system for the treatment of VOCs as claimed in any one of claims 1-3, 5, 7, 8, wherein: the concentration of the inert gas passing through the inert gas purification system is more than 99.9 percent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921597477.7U CN210951341U (en) | 2019-09-24 | 2019-09-24 | Multifunctional inert gas system for treating VOC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921597477.7U CN210951341U (en) | 2019-09-24 | 2019-09-24 | Multifunctional inert gas system for treating VOC |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210951341U true CN210951341U (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921597477.7U Active CN210951341U (en) | 2019-09-24 | 2019-09-24 | Multifunctional inert gas system for treating VOC |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210951341U (en) |
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2019
- 2019-09-24 CN CN201921597477.7U patent/CN210951341U/en active Active
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