CN218033182U - Drainage type tail gas incineration device - Google Patents
Drainage type tail gas incineration device Download PDFInfo
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- CN218033182U CN218033182U CN202222485694.5U CN202222485694U CN218033182U CN 218033182 U CN218033182 U CN 218033182U CN 202222485694 U CN202222485694 U CN 202222485694U CN 218033182 U CN218033182 U CN 218033182U
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Abstract
The utility model discloses a drainage formula tail gas burns device, the utility model relates to a tail gas burns control technical field, when having solved current combustible tail gas complementary energy recycle, complementary energy recycle and the big problem of the safety in production degree of difficulty, it is including burning the nozzle, burn an entry end of nozzle and pass through the pipeline and communicate with the frequency conversion air-blower that is used for introducing the outside air, another entry end passes through pipeline and tail gas water bath dust collector intercommunication, burn the nozzle exit end and communicate with the combustion chamber that is used for burning tail gas, the frequency conversion air-blower is introduced the outside air and is burnt in the nozzle to in blowing into the combustion chamber with the tail gas among the tail gas water bath dust collector, seted up the exhanst gas outlet on the combustion chamber, the high temperature flue gas that the tail gas burning produced is followed the exhanst gas outlet is derived. The utility model discloses simple structure, reliable, energy-concerving and environment-protective, through tail gas water bath dust collector, retrieve most dust in the tail gas, through the frequency conversion air-blower with burn the cooperation substitution booster fan of nozzle, adsorb tail gas and send into the combustion chamber burning.
Description
Technical Field
The utility model relates to a tail gas recovery technical field, concretely relates to drainage formula tail gas burns device.
Background
In the industrial production process, chemical enterprises produce a large amount of combustible tail gas, such as vanadium product reduction kiln tail gas, with the dust content of about 5-200mg/Nm 3 The oxygen content is more than 7 percent and far higher than the safety lower limit that the oxygen content is less than 2 percent, and the difficulty of residual energy recycling and safe production is high.
Meanwhile, in the existing tail gas recycling system, a pressurizing fan is mostly adopted to increase pressure, dust in tail gas is easy to deposit in the pressurizing fan, so that a fan impeller is scaled, and in the serious case, the fan impeller is scraped with the inner wall of a fan shell to generate sparks to form explosion, so that the safety production of enterprises and the life safety of workers are threatened.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned problem among the prior art, the utility model provides a drainage formula tail gas burns device has solved when current combustible tail gas complementary energy recycle, complementary energy recycle and the big problem of the safety in production degree of difficulty.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a drainage formula tail gas burns device, it is including burning the nozzle, burn an entry end of nozzle and pass through the pipeline and with the frequency conversion air-blower intercommunication that is used for introducing outside air, another entry end passes through pipeline and tail gas water bath dust collector intercommunication, burn the mouth exit end and with the combustion chamber intercommunication that is used for burning tail gas, the frequency conversion air-blower introduces outside air and burns in the nozzle to in blowing into the combustion chamber with the tail gas among the tail gas water bath dust collector, seted up the exhanst gas outlet on the combustion chamber, the high temperature flue gas that the tail gas burning produced is followed the exhanst gas outlet is derived.
The utility model discloses simple structure, reliable, energy-concerving and environment-protective adopts tail gas water bath dust collector, retrieves most dust in the tail gas, prevents that the dust from piling up in follow-up process, the scale deposit, influences tail gas combustion efficiency, replaces the forced draught fan through the frequency conversion air-blower with the cooperation of burning the nozzle, adsorbs tail gas and send into the combustion chamber burning to the leading-in next waste heat utilization process of high temperature flue gas that will produce.
Furthermore, the burning nozzle is cylindrical and comprises a receiving chamber, an adsorption chamber, a mixing chamber and a burning port which are sequentially communicated, a nozzle is arranged in the receiving chamber, one side of the nozzle penetrates through a closed port of the receiving chamber to be communicated with a variable-frequency blower, and an outlet of the burning port is positioned in the combustion chamber and is communicated with the combustion chamber.
In this scheme, the cooperation that adopts to burn nozzle and frequency conversion air-blower replaces booster fan, adsorbs tail gas and sends tail gas into in the combustion chamber, adopts above-mentioned scheme, and simple structure, reliable reduces the emergence of incident.
Furthermore, a gap cavity is formed between the nozzle and the receiving chamber, the gap cavity is communicated with the tail gas water bath dust removal device through a pipeline to receive tail gas, and one side of the nozzle, which is close to the adsorption chamber, is in a tapered shape.
Further, the cylinder diameter of the adsorption chamber is tapered from the receiving chamber toward the mixing chamber, the diameter of the mixing chamber is smaller than the diameters of the receiving chamber and the nozzle, and the cylinder diameter of the incineration port is tapered from the mixing chamber toward the outlet of the incineration port.
In this scheme, the air current that produces through the frequency conversion air-blower passes through the nozzle, burns the inside venturi effect that produces of mouth, and then sends into the combustion chamber after further mixing in the mixing chamber with tail gas adsorption income, adopts above-mentioned scheme.
Further, tail gas water bath dust collector includes the casing of water injection, and the casing top is provided with the tail gas intake pipe that passes casing top sealing port, and casing upper portion is provided with water inlet and tail gas outlet, and the tail gas outlet is higher than the water inlet, and the tail gas outlet passes through pipeline and clearance cavity intercommunication.
In this scheme, let in the aquatic of casing with tail gas, through the dust in the water filtration tail gas, adopt above-mentioned scheme, simple structure, reliable, and energy-concerving and environment-protective.
Furthermore, the liquid level of the water in the shell is higher than the horizontal position of the gas outlet of the tail gas inlet pipe, and the gas outlet of the tail gas inlet pipe is located at the lower end of the shell.
In this scheme, the liquid level of water is higher than the gas outlet of tail gas intake pipe, and after tail gas got into, tail gas rose in order to realize the abundant contact of tail gas and water, retrieves the dust.
Furthermore, the lower end of the shell is conical, and a sewage outlet is formed in the bottom of the conical shape.
In this scheme, set the lower extreme of casing into the taper, do benefit to dust in the concentrated tail gas to can regularly discharge concentrated dust mud through the drain.
Furthermore, an electronic ignition device for igniting tail gas at the outlet of the incineration port is arranged in the combustion chamber.
In this scheme, through set up electron ignition at burning the mouth, can externally automatic control combustion chamber's tail gas burning.
Furthermore, an electric regulating valve is arranged on a pipeline communicated between the burning nozzle and the variable-frequency air blower, a pneumatic three-way valve is arranged on a pipeline communicated between the burning nozzle and the tail gas water bath dust removal device, and the variable-frequency air blower, the electric regulating valve, the pneumatic three-way valve and the electronic ignition device are all in signal connection with an external terminal.
In this scheme, through the rotational speed of computer adjustment variable frequency air-blower, frequency, the amount of wind that the control entered into and burns the nozzle, opening and closing of steerable pneumatic three-way valve and electron ignition.
Further, the pneumatic three-way valve is communicated with an external accident pipeline.
In this scheme, pneumatic three-way valve and accident pipeline intercommunication can be in the emergence accident, arrange tail gas outward through accident pipeline.
The utility model discloses a drainage formula tail gas burns device, its beneficial effect is:
1. the utility model discloses simple structure, reliable, energy-concerving and environment-protective.
2. The utility model discloses a tail gas water bath dust collector retrieves the dust in the tail gas, prevents that the dust from piling up the jam in follow-up process, avoids the emergence of incident, improves the combustion efficiency of tail gas.
3. The utility model discloses a frequency conversion air-blower utilizes the venturi effect with the cooperation of burning the nozzle, adsorbs the tail gas behind the tail gas water bath dust collector to mix tail gas and send into the combustion chamber burning, it is energy-concerving and environment-protective.
Drawings
Fig. 1 is the utility model discloses a drainage type tail gas burns device's schematic structure diagram.
Fig. 2 is a schematic structural view of the incineration nozzle of the utility model.
Wherein, 1, a tail gas water bath dust removal device; 11. a housing; 12. a tail gas inlet pipe; 13. a water inlet; 14. a tail gas outlet; 15. a sewage draining port; 2. a pneumatic three-way valve; 21. an accident pipe; 3. burning the burner; 31. A receiving chamber; 32. a nozzle; 33. an adsorption chamber; 34. a mixing chamber; 35. burning the port; 4. an electric control valve; 5. a variable frequency blower; 6. a combustion chamber; 61. flue gas outlet 62, electronic ignition.
Detailed Description
The present invention is not limited to the specific embodiments, and it should be understood that various changes can be made within the spirit and scope of the present invention as defined and determined by the appended claims.
According to embodiment 1 of the present application, referring to fig. 1, the exhaust gas diversion incineration device of the present embodiment includes an incineration burner 3.
One inlet end of the burner 3 is communicated with a variable frequency blower 5 for introducing external air through a pipeline, the other inlet end of the burner is communicated with the tail gas water bath dust removal device 1 through a pipeline, and the outlet end of the burner is communicated with a combustion chamber 6 for combusting tail gas.
The variable frequency blower 5 introduces external air into the incinerator nozzle 3, and blows tail gas in the tail gas water bath dust removal device 1 into the combustion chamber 6, wherein the variable frequency blower 5 is an existing CX-75S trans-pump blower.
An electronic ignition device 62 for igniting the tail gas at the outlet of the burning port 35 is arranged in the combustion chamber 6, and the electronic ignition device 62 is an existing BWFD-12 explosion-proof high-energy igniter.
An electric control valve 4 is arranged on a pipeline communicated between the burning nozzle 3 and the variable-frequency blower 5, the electric control valve 4 is an existing ZDLP electric control valve ZDLP-16C/25C, a pneumatic three-way valve 2 is arranged on a pipeline communicated with the tail gas water bath dust removing device 1, and the pneumatic three-way valve 2 is an existing Q642F pneumatic three-way ball valve.
Frequency conversion air-blower 5, electrical control valve 4, pneumatic three-way valve 2 and electronic ignition device 61 all with external terminal signal connection, external terminal is current computer, frequency conversion air-blower 5, electrical control valve 4, pneumatic three-way valve 2 and electronic ignition device 61 all link to each other with external computer, through the rotational speed of computer control frequency conversion air-blower 5 in order to adjust frequency conversion air-blower 5, the frequency, control electrical control valve 4 gets into the amount of wind that burns burner 3 with adjustment frequency conversion air-blower 5, control pneumatic three-way valve 2 and electronic ignition device 61, in order to realize that pneumatic three-way valve 2 opens and closes, opening of electronic ignition device 61.
The pneumatic three-way valve 2 is communicated with an external accident pipeline 21, and when an accident happens, the variable frequency blower 5, the electric regulating valve 4, the pneumatic three-way valve 2 and the electronic ignition device 61 are closed, and tail gas is discharged into the accident pipeline 21.
A flue gas outlet 61 is formed in the combustion chamber 6, and high-temperature flue gas generated by combustion of tail gas is guided out from the flue gas outlet 61 and enters the next waste heat utilization process.
Referring to fig. 2, the incineration nozzle 3 of the present embodiment is in a cylindrical shape, and includes a receiving chamber 31, an adsorption chamber 33, a mixing chamber 34 and an incineration port 35 which are connected in sequence and are communicated with each other inside, a nozzle 32 is disposed in the receiving chamber 31, one side of the nozzle 32 passes through a closed port of the receiving chamber 31 and is communicated with the variable frequency blower 5, and an outlet of the incineration port 35 is located in the combustion chamber 6 and is communicated with the combustion chamber 6.
A gap cavity is formed between the nozzle 32 and the receiving chamber 31, the gap cavity is communicated with the tail gas water bath dust removing device 1 through a pipeline to receive tail gas, and the cylinder diameter of one side of the nozzle 32 close to the adsorption chamber 33 is in a tapered shape.
The cylindrical diameter of the adsorption chamber 33 is tapered from the receiving chamber 31 toward the mixing chamber 34, the diameter of the mixing chamber 34 is smaller than the diameters of the receiving chamber 31 and the nozzle 32, and the cylindrical diameter of the burner port 35 is tapered from the mixing chamber 34 toward the outlet of the burner port 35.
The burner device 3 utilizes the Venturi effect, a variable frequency blower 5 is communicated with a nozzle 32, air flow blown out by the variable frequency blower 5 enters the nozzle 32, the outlet of the nozzle 32 is in a tapered shape, the flow area at the outlet of the nozzle 32 is reduced, the air out of the nozzle 32 is converted into high-speed low-pressure air, negative pressure is formed between cavities of an adsorption chamber 33 and a receiving chamber 31, the receiving chamber 31 is communicated with a tail gas water bath dust removal device 1 to adsorb and mix tail gas, the mixed tail gas enters a mixing chamber 34 to be further mixed and then flows into a burning port 35, the burning port 35 is in a tapered shape, the speed of the mixed tail gas is reduced, the pressure is gradually recovered and increased, and low-pressure mixed tail gas is formed.
The further scheme of this embodiment tail gas water bath dust collector 1, tail gas water bath dust collector 1 is including the casing 11 of water injection, be provided with the tail gas intake pipe 12 that passes 11 top seals of casing on casing 11 top, casing 11 upper portion is provided with water inlet 13 and tail gas outlet 14, form the water seal to casing 11 internal water injection through water inlet 13, the liquid level height of water seal is less than the height of water inlet 13, carry out the moisturizing to the water seal through water inlet 13, the liquid level height that makes the water seal is fixed height, tail gas outlet 14 is higher than water inlet 13, tail gas outlet 14 passes through pipeline and clearance cavity intercommunication.
The horizontal position at the liquid level place of the water in the shell 11 is higher than the horizontal position at the gas outlet of the tail gas inlet pipe 12, the gas outlet of the tail gas inlet pipe 12 is arranged below the water seal, so that tail gas sent in through the tail gas inlet pipe 12 is fully contacted with the water seal to carry out water bath, dust in the tail gas is intensively recovered from the bottom of the shell 11, and the gas outlet of the tail gas inlet pipe 12 is located at the lower end of the shell 11.
The lower extreme of casing 11 is the taper, can concentrate the dust of retrieving through the bottom of taper and precipitate, and drain 15 has been seted up to the bottom of taper, sets up the valve in drain 15 department, regularly discharges the dust mud of concentrating the sediment.
The operating principle of the drainage type tail gas incineration device of the embodiment is as follows:
the utility model discloses in practical application, refer to fig. 1-fig. 2, send into the water seal below in the casing 11 with tail gas through tail gas intake pipe 12, make tail gas through the water bath, retrieve the dust in the tail gas to the dust that will retrieve is concentrated through the toper lower part of casing 11 and is deposited, discharges regularly through drain 15 at last.
Then, through the cooperation of variable frequency air-blower 5 and burning nozzle 3, make burning nozzle 3 produce the venturi effect, adsorb the clean tail gas through the water bath in the casing 11 to make clean tail gas and air mix, send into combustion chamber 6 internal combustion.
And finally, feeding the high-temperature flue gas generated by combustion into the next residual heat utilization process.
While the present invention has been described in detail with reference to the embodiments, the scope of the present invention should not be limited to the embodiments. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.
Claims (10)
1. The utility model provides a drainage formula tail gas burns device which characterized in that: comprises an incinerator nozzle (3);
one inlet end of the incinerator burner (3) is communicated with a variable frequency blower (5) for introducing external air through a pipeline, the other inlet end of the incinerator burner (3) is communicated with a tail gas water bath dust removal device (1) through a pipeline, and the outlet end of the incinerator burner (3) is communicated with a combustion chamber (6) for combusting tail gas;
the variable frequency blower (5) introduces external air into the incinerator nozzle (3) so as to blow tail gas in the tail gas water bath dust removal device (1) into the combustion chamber (6);
and a flue gas outlet (61) is formed in the combustion chamber (6), and high-temperature flue gas generated by tail gas combustion is led out from the flue gas outlet (61).
2. The flow-guiding tail gas incineration device according to claim 1, characterized in that: the incinerator burner (3) is cylindrical and comprises a receiving chamber (31), an adsorption chamber (33), a mixing chamber (34) and an incineration port (35) which are communicated in sequence; a nozzle (32) is arranged in the receiving chamber (31); one side of the nozzle (32) passes through a closed opening of the receiving chamber (31) and is communicated with the variable-frequency blower (5); the outlet of the burning port (35) is positioned in the combustion chamber (6) and is communicated with the combustion chamber (6).
3. The flow-guiding tail gas incineration device according to claim 2, characterized in that: a gap cavity is formed between the nozzle (32) and the receiving chamber (31); the gap cavity is communicated with the tail gas water bath dust removal device (1) through a pipeline; the cylinder diameter of one side of the nozzle (32) close to the adsorption chamber (33) is tapered.
4. The flow-guiding tail gas incineration device according to claim 2, characterized in that: the cylinder diameter of the adsorption chamber (33) is gradually reduced from the receiving chamber (31) to the mixing chamber (34); the diameter of the mixing chamber (34) is smaller than the diameter of the receiving chamber (31) and the nozzle (32); the diameter of the incineration port (35) is gradually enlarged from the mixing chamber (34) to the outlet of the incineration port (35).
5. The flow-guiding tail gas incineration device according to claim 3, characterized in that: the tail gas water bath dust removal device (1) comprises a shell (11) filled with water; the top end of the shell (11) is provided with a tail gas inlet pipe (12) penetrating through a sealing port at the top of the shell (11); a water inlet (13) and a tail gas outlet (14) are formed in the upper part of the shell (11); the tail gas outlet (14) is higher than the water inlet (13); and the tail gas outlet (14) is communicated with the gap cavity through a pipeline.
6. The flow-guiding tail gas incinerator according to claim 5, wherein: the liquid level position of water in the shell (11) is higher than the horizontal position where the gas outlet of the tail gas inlet pipe (12) is located, and the gas outlet of the tail gas inlet pipe (12) is located at the lower end of the shell (11).
7. The flow-guiding tail gas incineration device according to claim 5, characterized in that: the lower end of the shell (11) is conical, and a sewage outlet (15) is formed in the bottom of the conical shape.
8. The flow-guiding tail gas incineration device according to claim 2, characterized in that: and an electronic ignition device (62) for igniting tail gas at the outlet of the burning port (35) is arranged in the combustion chamber (6).
9. The flow-guiding tail gas incinerator according to claim 8, further comprising: an electric regulating valve (4) is arranged on a pipeline communicated between the incinerator burner (3) and the variable-frequency blower (5); a pneumatic three-way valve (2) is arranged on a pipeline communicated with the incinerator burner (3) and the tail gas water bath dust removal device (1); and the variable-frequency blower (5), the electric regulating valve (4), the pneumatic three-way valve (2) and the electronic ignition device (62) are in signal connection with an external terminal.
10. The flow-guiding tail gas incinerator according to claim 9, wherein: the pneumatic three-way valve (2) is communicated with an external accident pipeline (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222485694.5U CN218033182U (en) | 2022-09-19 | 2022-09-19 | Drainage type tail gas incineration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222485694.5U CN218033182U (en) | 2022-09-19 | 2022-09-19 | Drainage type tail gas incineration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218033182U true CN218033182U (en) | 2022-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222485694.5U Active CN218033182U (en) | 2022-09-19 | 2022-09-19 | Drainage type tail gas incineration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218033182U (en) |
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- 2022-09-19 CN CN202222485694.5U patent/CN218033182U/en active Active
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