CN213824141U - Pyrolysis desorption flue gas treatment system of oil sludge treatment equipment - Google Patents
Pyrolysis desorption flue gas treatment system of oil sludge treatment equipment Download PDFInfo
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- CN213824141U CN213824141U CN202022465076.5U CN202022465076U CN213824141U CN 213824141 U CN213824141 U CN 213824141U CN 202022465076 U CN202022465076 U CN 202022465076U CN 213824141 U CN213824141 U CN 213824141U
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Abstract
The utility model provides a fatlute processing equipment pyrolysis desorption flue gas treatment system applied to the technical field of fatlute (oily sludge) treatment, the treatment furnace body (1) of the fatlute processing equipment pyrolysis desorption flue gas treatment system is provided with a plurality of ammonia nozzles (6), the ammonia nozzles (6) are arranged at the position close to the front end (2) of the furnace body, the ammonia nozzles (6) are communicated with an ammonia supply part (9), the temperature of the flue gas entering the treatment furnace body (1) through a flue gas introduction port (3) is between 950 ℃ and 1000 ℃, an activated carbon and quicklime injection part (11) is arranged at the injection pipe orifice (10) of the furnace body side wall (7) of the treatment furnace body (1) close to the middle position, the fatlute processing equipment pyrolysis desorption flue gas treatment system can effectively treat the harmful substances in the non-condensable gas in the flue gas generated by the thermal desorption of liquid fatlute and semisolid fatlute, meanwhile, the generation of dioxin is inhibited, and finally the environment is effectively protected.
Description
Technical Field
The utility model belongs to the technical field of fatlute (oily sludge) processing, more specifically say, relate to a fatlute treatment facility pyrolysis desorption flue gas processing system.
Background
The fuel for continuous rotary pyrolysis desorption of the solid oil sludge is mainly natural gas, and the natural gas is clean energy, so that the smoke can reach the standard without treatment and can be directly discharged. The liquid oil sludge and the semi-solid oil sludge generate a large amount of non-condensable gas through thermal desorption, the non-condensable gas contains harmful components, and after high-temperature incineration treatment, the generated flue gas needs to be further treated and then reaches the standard to be discharged. The gas obtained after pyrolysis desorption of the liquid oil sludge and the semi-solid oil sludge contains certain dust and a small amount of toxic and harmful substances, so that the environment is polluted.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: aiming at the defects of the prior art, the pyrolysis desorption flue gas treatment system of the oil sludge treatment equipment is reliable in function, can effectively treat harmful substances in non-condensable gas in flue gas generated by thermal desorption of liquid oil sludge and semi-solid oil sludge, and effectively inhibits generation of dioxin, so that emission concentrations of pollutants such as particulate matters and SOx in the treated flue gas meet the requirements specified in the standard, and finally, the environment is effectively protected.
To solve the technical problem, the utility model discloses the technical scheme who takes does:
the utility model relates to a pyrolysis desorption flue gas treatment system of sludge treatment equipment, which comprises a treatment furnace body, wherein the treatment furnace body is set into a cylindrical structure, the front end of the treatment furnace body is provided with a flue gas inlet port, the rear end of the treatment furnace body is provided with a flue gas outlet port, the treatment furnace body is provided with a plurality of ammonia nozzles, the ammonia nozzles are arranged at intervals along the circumference of the side wall of the treatment furnace body, the ammonia nozzles are arranged at the position close to the front end of the treatment furnace body and communicated with an ammonia supply part through a communication pipeline, the part of the ammonia supply part communicated with the communication pipeline is provided with an air pump, the temperature of the flue gas entering the treatment furnace body through the flue gas inlet port is between 950 ℃ and 1000 ℃, the side wall of the treatment furnace body is provided with an activated carbon and quicklime injection part close to the injection pipe orifice at the middle position, the activated carbon & quick lime storage box body of the activated carbon & quick lime injection part is connected with the injection pipe orifice, the discharge valve of the activated carbon & quick lime injection part is installed in the injection pipe orifice, and the discharge valve is connected with the motor.
An annular ammonia gas supply pipe is arranged on the periphery of the side wall of the furnace body close to the front end of the furnace body, each ammonia gas nozzle in the treatment furnace body is respectively communicated with the ammonia gas supply pipe, and the ammonia gas supply pipe is communicated with an ammonia gas supply part.
The discharge valve be star type discharge valve, the discharge valve includes the discharge valve body, discharge valve body side sets up a plurality of discharge vanes along discharge valve body a week, forms a unloading chamber between per two adjacent discharge vanes, the discharge valve body is connected on the injection nozzle through the body connecting axle of both sides, the orificial horizontal cross-section of injection is square structure, the body connecting axle of one side is connected with the motor that sets up at the orificial outer wall of injection.
The discharge valve include the discharge valve body, the discharge valve body is installed in active carbon & quick lime storage box below, the furnace body lateral wall inner wall of injection pipe mouth below sets up deposits the part, deposits the part and includes horizontal plate and perpendicular plate, the fan is installed in the perpendicular plate outside.
The activated carbon & quicklime spraying part is set to be in a structure capable of supplying activated carbon & quicklime into the treatment furnace body, and when the activated carbon & quicklime spraying part supplies activated carbon & quicklime into the treatment furnace body, the spraying amount of the activated carbon & quicklime supplied by the activated carbon & quicklime spraying part through the discharge valve is controlled to be in a range of 0.5kg-5 kg.
The lower part of the side wall of the furnace body of the treatment furnace body is provided with a discharge cavity body with a cone-shaped structure, the lower part of the discharge cavity body is provided with a discharge pipe orifice, and the discharge pipe orifice is provided with a control valve.
The smoke outlet port at the rear end of the furnace body is communicated with the chimney, and a smoke exhaust fan is arranged between the chimney and the smoke outlet port.
The air pump, the motor, the control valve and the smoke exhaust fan are respectively connected with the control component.
The control valve is an electronic control valve.
Adopt the technical scheme of the utility model, can obtain following beneficial effect:
fatlute treatment facility pyrolysis desorption flue gas processing system, through the ammonia nozzle, spout into the reductant in "temperature window" that high temperature flue gas is fit for denitration reaction, reduce the nitrogen oxide in the flue gas into harmless nitrogen gas and water. The technology generally adopts ammonia sprayed in a furnace as a reducing agent to reduce NOx. The reductant reacts only with NOx in the flue gas and generally does not react with oxygen, and this technique does not employ a catalyst, so this method is referred to as selective non-catalytic reduction (SNCR). Because the process does not use a catalyst, a reducing agent must be added in a high-temperature zone, and the system carries out ammonia gas atomization injection in a harmless and heat energy supply temperature range of 950-1000 ℃. Thus, the reaction treatment effect on the nitrogen oxides in the flue gas is optimal. Therefore, the reduction treatment is completed when the flue gas passes through the treatment furnace body. The speed of the flue gas passing through the treatment furnace body normally is not influenced, and the flue gas treatment and emission efficiency is ensured. Meanwhile, powdery activated carbon and quicklime are added into the treatment furnace body through an activated carbon and quicklime injection part, and the activated carbon and the quicklime (the activated carbon and the quicklime) are used as absorbents to be injected into the flue gas and are used for adsorbing heavy metals such as dioxin, mercury and the like and acidic oxides in the flue gas. The amount of the added active carbon and quicklime is controlled by a discharge valve, so that the treatment of harmful components is finished efficiently and with high quality. Fatlute treatment facility pyrolysis desorption flue gas processing system, the function is reliable, can effectively handle the harmful substance in the noncondensable gas in the flue gas that liquid fatlute and semi-solid-state fatlute thermal desorption produced, effectively restrain the production of dioxin simultaneously for pollutant emission concentration such as particulate matter, SOx in the flue gas through the processing satisfies the requirement of regulation in the standard, finally effectively protects the environment.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
fig. 1 is a schematic structural view of a pyrolysis desorption flue gas treatment system of oil sludge treatment equipment according to the present invention;
fig. 2 is a schematic structural diagram of an embodiment 1 of a discharge valve of a pyrolysis desorption flue gas treatment system of sludge treatment equipment according to the present invention;
fig. 3 is a schematic structural diagram of an embodiment 2 of a discharge valve of a pyrolysis desorption flue gas treatment system of sludge treatment equipment;
in the drawings, the reference numbers are respectively: 1. a treatment furnace body; 2. the front end of the furnace body; 3. a flue gas introduction port; 4. the rear end of the furnace body; 5. a flue gas outlet port; 6. an ammonia gas nozzle; 7. the side wall of the furnace body; 8. a communicating pipeline; 9. an ammonia gas supply part; 10. a jet nozzle; 11. an activated carbon & quicklime injection part; 12. a discharge valve; 13. an activated carbon and quicklime storage box body; 14. a motor; 15. an ammonia gas supply pipe; 16. a discharge valve body; 17. a discharge blade; 18. a discharge chamber; 19. a body connecting shaft; 21. a storage member; 22. a horizontal plate member; 23. a vertical plate; 24. a fan; 25. a discharge chamber; 26. a discharge nozzle; 27. a control valve; 28. a chimney; 29. a smoke exhaust fan.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings, wherein the embodiments of the present invention are described in detail with reference to the accompanying drawings, for example, the shapes, structures, mutual positions and connection relations of the components, the functions and operation principles of the components, and the like:
as shown in the attached drawing 1, the utility model relates to a fatlute treatment facility pyrolysis desorption flue gas processing system, fatlute treatment facility pyrolysis desorption flue gas processing system including handling furnace body 1, handling furnace body 1 sets up to cylindric structure, handling furnace body 1's furnace body front end 2 sets up the flue gas and introduces port 3, handling furnace body 1's furnace body rear end 4 sets up the flue gas and draws forth port 5, handling furnace body 1 is last to set up a plurality of ammonia nozzles 6, a plurality of ammonia nozzles 6 are arranged according to the clearance along handling furnace body 1's furnace body lateral wall 7 a week, ammonia nozzle 6 sets up and is being close to furnace body front end 2 positions, ammonia nozzle 6 is through intercommunication pipeline 8 and ammonia supply part 9 intercommunication, ammonia supply part 9 sets up air pump 30 with the position of intercommunication pipeline 8 intercommunication, the temperature of the flue gas that port 3 got into handling furnace body 1 through the flue gas introduction port 3 is between 950 ℃ -1000 ℃, handling furnace body 1's lateral wall 7 is close to the injection mouth of pipe 10 installation active carbon of middle part and spouts quick lime The activated carbon & quicklime storage box body 13 of the activated carbon & quicklime spraying component 11 is connected with the spraying nozzle 10, the discharge valve 12 of the activated carbon & quicklime spraying component 11 is installed in the spraying nozzle 10, and the discharge valve 12 is connected with the motor 14. Above-mentioned structure through ammonia nozzle 6, spouts into the reductant in the "temperature window" that high temperature flue gas is fit for denitration reaction, reduces the nitrogen oxide in the flue gas into harmless nitrogen gas and water. The technology generally adopts ammonia sprayed in a furnace as a reducing agent to reduce NOx. The reductant reacts only with NOx in the flue gas and generally does not react with oxygen, and this technique does not employ a catalyst, so this method is referred to as selective non-catalytic reduction (SNCR). Because the process does not use a catalyst, a reducing agent must be added in a high-temperature zone, and the system carries out ammonia gas atomization injection in a harmless and heat energy supply temperature range of 950-1000 ℃. Thus, the reaction treatment effect on the nitrogen oxides in the flue gas is optimal. Therefore, the reduction treatment is completed when the flue gas passes through the treatment furnace body. The speed of the flue gas passing through the treatment furnace body normally is not influenced, and the flue gas treatment and emission efficiency is ensured. Meanwhile, powdery activated carbon and quicklime are added into the treatment furnace body 1 through the activated carbon & quicklime injection part 11, and the activated carbon and the quicklime (activated carbon & quicklime) are injected into the flue gas as absorbents for adsorbing heavy metals such as dioxin, mercury and the like and acidic oxides in the flue gas. The amount of the added active carbon and quicklime is controlled by a discharge valve, so that the treatment of harmful components is finished efficiently and with high quality. Fatlute treatment facility pyrolysis desorption flue gas processing system, the function is reliable, can effectively handle the harmful substance in the noncondensable gas in the flue gas that liquid fatlute and semi-solid-state fatlute thermal desorption produced, effectively restrain the production of dioxin simultaneously for pollutant emission concentration such as particulate matter, SOx in the flue gas through the processing satisfies the requirement of regulation in the standard, finally effectively protects the environment.
An annular ammonia gas supply pipe 15 is arranged on the periphery of the side wall 7 of the furnace body close to the front end 2 of the furnace body, each ammonia gas nozzle 6 in the treatment furnace body 1 is respectively communicated with the ammonia gas supply pipe 15, and the ammonia gas supply pipe 15 is communicated with the ammonia gas supply part 9. Above-mentioned structure, the ammonia supply pipe is the loop configuration to arrange on handling the furnace body, then, the ammonia supply pipe is connected respectively with a plurality of ammonia nozzles simultaneously, and a plurality of ammonia nozzles can the synchronization operation, and spray the ammonia to the different positions in handling the furnace body, thereby make different ammonia nozzles cover different positions, do not have the problem that the ammonia flows the reaction site that covers whole processing furnace gas, ensure the ammonia and spray the degree of consistency, improve reaction efficiency.
As shown in fig. 2, as embodiment 1, the discharge valve 12 is a star-shaped discharge valve, the discharge valve 12 includes a discharge valve body 16, a plurality of discharge blades 17 are disposed on the side surface of the discharge valve body 16 along the circumference of the discharge valve body 16, a discharge cavity 18 is formed between every two adjacent discharge blades 17, the discharge valve body 16 is connected to the nozzle 10 through body connecting shafts 19 on two sides, the horizontal section of the nozzle 10 is a square structure, and the body connecting shaft 19 on one side is connected to a motor 14 disposed on the outer wall of the nozzle 10. Above-mentioned structure, through opening of control unit control motor and stopping and rotational speed to drive the discharge valve and rotate, and every unloads material chamber 18 when the top position, the intracavity of should unloading is fallen to active carbon & quick lime in the active carbon & quick lime injection part 11, then, the motor drives the discharge valve cycle and rotates, and every active carbon & quick lime that rotates the intracavity of unloading of below position falls into in the processing furnace body, adsorbs heavy metals such as dioxin and mercury in the flue gas and acid oxide. Therefore, the flue gas is treated in the process of passing through the treatment furnace body. The speed of the flue gas passing through the treatment furnace body normally is not influenced, and the flue gas treatment and emission efficiency is ensured.
As shown in fig. 3, as an embodiment 2, the discharge valve 12 includes a discharge valve body 16, the discharge valve body 16 is installed below an activated carbon & quicklime storage box 13, a storage part 21 is provided on the inner wall of the furnace sidewall 7 below the injection nozzle 10, the storage part 21 includes a horizontal plate 22 and a vertical plate 23, and a blower 24 is installed outside the vertical plate 23. In the above structure, the control part controls the discharge valve body 16 to be opened according to the set time interval, and then to be closed according to the set time interval, and during the opening period of the discharge valve body 16, a certain amount of activated carbon & quicklime in the activated carbon & quicklime storage box body 13 falls on the horizontal plate member 22, and then the control part controls the fan to be started, and the fan blows the activated carbon & quicklime on the horizontal plate member to make the activated carbon & quicklime fall into the treatment furnace body. In the process, the supply of the activated carbon and the quicklime is effectively controlled, and the activated carbon and the quicklime are accelerated to enter the treatment furnace body.
The activated carbon & quicklime spraying part 11 is set to be in a structure capable of supplying activated carbon & quicklime into the treatment furnace body 1, and when the activated carbon & quicklime spraying part 11 supplies activated carbon & quicklime into the treatment furnace body 1, the spraying amount of the activated carbon & quicklime supplied by the activated carbon & quicklime spraying part 11 through the discharge valve 12 is controlled to be in a range of 0.5kg-5 kg. Above-mentioned structure, above-mentioned injection quantity can effectively satisfy the reaction demand of the volume of fume emission. Thus, heavy metals such as dioxin, mercury and the like and acid oxides in the flue gas are fully adsorbed.
The lower part of the furnace body side wall 7 of the treatment furnace body 1 is provided with a discharge cavity 25 with a conical structure, the lower part of the discharge cavity 25 is provided with a discharge pipe orifice 26, and the discharge pipe orifice 26 is provided with a control valve 27. Above-mentioned structure, the fume emission and the solid matter that produces among the reaction process can fall on the discharge cavity, are convenient for discharge from the discharge gate when opening control valve, avoid piling up.
The fume leading-out port 5 at the rear end 4 of the oven body 1 is communicated with a chimney 28, and a fume exhaust fan 29 is arranged between the chimney 28 and the fume leading-out port 5.
The air pump 30, the motor 14, the control valve 27 and the smoke exhaust fan 29 are respectively connected with the control component. According to the structure, the control start and stop time of each part is controlled by the control part in a unified manner.
The control valve 27 is an electronic control valve.
Fatlute treatment facility pyrolysis desorption flue gas processing system, through the ammonia nozzle, spout into the reductant in "temperature window" that high temperature flue gas is fit for denitration reaction, reduce the nitrogen oxide in the flue gas into harmless nitrogen gas and water. The technology generally adopts ammonia sprayed in a furnace as a reducing agent to reduce NOx. The reductant reacts only with NOx in the flue gas and generally does not react with oxygen, and this technique does not employ a catalyst, so this method is referred to as selective non-catalytic reduction (SNCR). Because the process does not use a catalyst, a reducing agent must be added in a high-temperature zone, and the system carries out ammonia gas atomization injection in a harmless and heat energy supply temperature range of 950-1000 ℃. Thus, the reaction treatment effect on the nitrogen oxides in the flue gas is optimal. Therefore, the reduction treatment is completed when the flue gas passes through the treatment furnace body. The speed of the flue gas passing through the treatment furnace body normally is not influenced, and the flue gas treatment and emission efficiency is ensured. Meanwhile, powdery activated carbon and quicklime are added into the treatment furnace body through an activated carbon and quicklime injection part, and the activated carbon and the quicklime (the activated carbon and the quicklime) are used as absorbents to be injected into the flue gas and are used for adsorbing heavy metals such as dioxin, mercury and the like and acidic oxides in the flue gas. The amount of the added active carbon and quicklime is controlled by a discharge valve, so that the treatment of harmful components is finished efficiently and with high quality. Fatlute treatment facility pyrolysis desorption flue gas processing system, the function is reliable, can effectively handle the harmful substance in the noncondensable gas in the flue gas that liquid fatlute and semi-solid-state fatlute thermal desorption produced, effectively restrain the production of dioxin simultaneously for pollutant emission concentration such as particulate matter, SOx in the flue gas through the processing satisfies the requirement of regulation in the standard, finally effectively protects the environment.
The present invention has been described in detail with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the present invention can be implemented in various ways without modification, and the present invention is not limited by the above embodiments.
Claims (7)
1. The utility model provides an oil sludge treatment equipment pyrolysis desorption flue gas processing system which characterized in that: the pyrolysis desorption flue gas treatment system of the oil sludge treatment equipment comprises a treatment furnace body (1), the treatment furnace body (1) is set into a cylindrical structure, a flue gas inlet port (3) is arranged at the front end (2) of the treatment furnace body (1), a flue gas outlet port (5) is arranged at the rear end (4) of the treatment furnace body (1), a plurality of ammonia nozzles (6) are arranged on the treatment furnace body (1), the ammonia nozzles (6) are arranged at positions close to the front end (2) of the treatment furnace body along the periphery of the side wall (7) of the treatment furnace body (1), the ammonia nozzles (6) are communicated with an ammonia supply part (9) through a communication pipeline (8), an air pump (30) is arranged at the position where the ammonia supply part (9) is communicated with the communication pipeline (8), an active carbon and quick lime injection part (11) is arranged at an injection pipe orifice (10) of the side wall (7) of the treatment furnace body (1) close to the middle position, activated carbon & quick lime storage box body (13) of activated carbon & quick lime injection part (11) is connected with injection nozzle (10), and discharge valve (12) of activated carbon & quick lime injection part (11) is installed in injection nozzle (10), discharge valve (12) be connected with motor (14).
2. The pyrolysis desorption flue gas treatment system of the oil sludge treatment equipment according to claim 1, which is characterized in that: an annular ammonia gas supply pipe (15) is arranged around the side wall (7) of the furnace body close to the front end (2) of the furnace body, each ammonia gas nozzle (6) in the treatment furnace body (1) is respectively communicated with the ammonia gas supply pipe (15), and the ammonia gas supply pipe (15) is communicated with the ammonia gas supply part (9).
3. The pyrolysis desorption flue gas treatment system of the oil sludge treatment equipment according to claim 1 or 2, characterized in that: discharge valve (12) be the star type discharge valve, discharge valve (12) include discharge valve body (16), discharge valve body (16) side sets up a plurality of discharge blade (17) along discharge valve body (16) a week, form one between per two adjacent discharge blade (17) and unload chamber (18), discharge valve body (16) are connected on injection nozzle (10) through body connecting axle (19) of both sides, the horizontal cross-section of injection nozzle (10) is square structure, body connecting axle (19) and the motor (14) of setting at injection nozzle (10) outer wall of one side are connected.
4. The pyrolysis desorption flue gas treatment system of the oil sludge treatment equipment according to claim 1 or 2, characterized in that: discharge valve (12) include discharge valve body (16), discharge valve body (16) are installed in active carbon & quick lime storage box (13) below, furnace body lateral wall (7) inner wall below nozzle of a pipe (10) sets up deposits part (21), deposit part (21) including horizontal plate (22) and perpendicular plate (23), fan (24) are installed in perpendicular plate (23) outside.
5. The pyrolysis desorption flue gas treatment system of the oil sludge treatment equipment according to claim 1 or 2, characterized in that: the lower part of the furnace body side wall (7) of the treatment furnace body (1) is provided with a discharge cavity (25) with a conical structure, the lower part of the discharge cavity (25) is provided with a discharge pipe orifice (26), and the discharge pipe orifice (26) is provided with a control valve (27).
6. The pyrolysis desorption flue gas treatment system of oil sludge treatment equipment according to claim 3, characterized in that: a smoke leading-out port (5) at the rear end (4) of the oven body (1) is communicated with a chimney (28), and a smoke exhaust fan (29) is arranged between the chimney (28) and the smoke leading-out port (5).
7. The pyrolysis desorption flue gas treatment system of the oil sludge treatment equipment according to claim 6, which is characterized in that: the air pump (30), the motor (14), the control valve (27) and the smoke exhaust fan (29) are respectively connected with the control component.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022465076.5U CN213824141U (en) | 2020-10-30 | 2020-10-30 | Pyrolysis desorption flue gas treatment system of oil sludge treatment equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022465076.5U CN213824141U (en) | 2020-10-30 | 2020-10-30 | Pyrolysis desorption flue gas treatment system of oil sludge treatment equipment |
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| CN202022465076.5U Active CN213824141U (en) | 2020-10-30 | 2020-10-30 | Pyrolysis desorption flue gas treatment system of oil sludge treatment equipment |
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Effective date of registration: 20220721 Address after: 241000 Fanyang Town, Fanchang County, Wuhu City, Anhui Province (in Wuhu conch factory) Patentee after: Wuhu Haichuang Environmental Protection Technology Co.,Ltd. Address before: 241200 Fanyang Town, Fanchang County, Wuhu City, Anhui Province Patentee before: Wuhu Haichuang Environmental Protection Technology Co.,Ltd. Patentee before: WUHU HAICHUANG INDUSTRIAL Co.,Ltd. Patentee before: ANHUI CONCH KAWASAKI ENGINEERING Co.,Ltd. |