CN210584289U

CN210584289U - Rotary kiln tail gas treatment system

Info

Publication number: CN210584289U
Application number: CN201920536868.1U
Authority: CN
Inventors: 贺石球; 秦志刚; 杨林
Original assignee: Chongqing Wanbo Renewable Resources Utilization Co ltd
Current assignee: Chongqing Wanbo Renewable Resources Utilization Co ltd
Priority date: 2019-04-19
Filing date: 2019-04-19
Publication date: 2020-05-22
Anticipated expiration: 2029-04-19

Abstract

The utility model discloses a rotary kiln tail gas treatment system, including the rotary kiln body, the rotary kiln body is through connecting shaft seal fixedly connected with kiln tail treatment chamber, one side of kiln tail gas treatment chamber inside is provided with the condensation chamber, the inside fixed mounting of condensation chamber has gas compressor, and air compressor's input passes through the air duct and is connected with the exhaust end of the rotary kiln body, the utility model discloses structure scientific and reasonable, convenience safe in utilization can cool off the tail gas in the rotary kiln, avoids the tail gas temperature that the rotary kiln produced too high, the problem that follow-up is difficult to utilize, has reduced the cooling time of tail gas simultaneously, has improved the treatment effeciency of tail gas; can carry out the humidifying to getting into kiln tail treatment chamber inside tail gas through humidifying shower nozzle and even water board and handle, and then preliminary with inside dust, dust and harmful gas etc. handle, bring the convenience for subsequent processing.

Description

Rotary kiln tail gas treatment system

Technical Field

The utility model relates to a rotary kiln tail gas treatment facility technical field specifically is a rotary kiln tail gas treatment system.

Background

The rotary kiln mainly refers to a rotary calcining kiln, also called a rotary kiln, and belongs to building material equipment, generally, the rotary kiln is divided into a cement kiln, a metallurgical chemical kiln and a lime kiln according to different types of materials processed by the rotary kiln, after the rotary kiln is actually combusted and used, a large amount of tail gas is generated, the tail gas contains a large amount of heat and dust, if the tail gas is directly discharged into the air, serious pollution is inevitably caused to the atmospheric environment, and the tail gas contains higher heat.

Traditional tail gas treatment facility is owing to lack refrigerated subassembly, lead to the heat of tail gas can't cool off fast, lead to people to become comparatively troublesome to the processing of tail gas, the processing time of tail gas has been prolonged to a certain extent, current tail gas treatment facility carries out the humidifying processing to tail gas through humidifying tower simultaneously, it is comparatively loaded down with trivial details to make humidifying treatment facility, the treatment cost of tail gas has been increased, lack filterable subassembly at tail gas in the processing procedure in addition, lead to inside doped harmful gas of tail gas and dust etc. can not in time eliminate, the efficiency of tail gas treatment has been reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a rotary kiln tail gas processing system, can effectively solve traditional tail gas treatment facility that proposes in the above-mentioned background art owing to lack refrigerated subassembly, the heat that leads to tail gas can't cool off fast, it becomes comparatively troublesome to lead to people to become the processing of tail gas, the treatment duration of tail gas has been prolonged to a certain extent, current tail gas treatment facility generally carries out the humidifying to tail gas through humidifying tower simultaneously, it is comparatively loaded down with trivial details to make humidifying treatment facility, the treatment cost of tail gas has been increased, in addition, tail gas lacks filterable subassembly in the course of treatment, harmful gas and dust etc. that lead to the inside doping of tail gas can not in time be eliminated, the problem of the efficiency of tail gas treatment has been reduced.

In order to achieve the above object, the utility model provides a following technical scheme: a rotary kiln tail gas treatment system comprises a rotary kiln body, wherein the rotary kiln body is fixedly connected with a kiln tail treatment chamber through a connecting shaft seal, one side inside the kiln tail treatment chamber is provided with a condensation chamber, a gas compressor is fixedly arranged inside the condensation chamber, the input end of the gas compressor is connected with the exhaust end of the rotary kiln body through a gas guide tube, a condenser is fixedly arranged inside the condensation chamber on one side of the gas compressor, the input end of the condenser is connected with the output end of the gas compressor through a gas guide tube, an evaporator is fixedly arranged inside the condensation chamber on one side of the condenser, the input end of the evaporator is connected with the output end of the condenser through a gas guide tube, a cross-flow fan is fixedly arranged at the top of the condensation chamber on one side of the evaporator, the air supply end of the cross-flow fan is connected with the evaporator through a gas guide tube, and an annular cooling air, the annular cooling air pipe is connected with a cooling fan in a sealing mode through a connecting air pipe at one end of the annular cooling air pipe, and the input ends of the cooling fan, the cross-flow fan, the condenser, the evaporator and the gas compressor are electrically connected with the output end of a mains supply.

Preferably, one side kiln tail treatment chamber of condensing chamber is inside to be provided with the humidification cavity, the water storage box is installed to the equal symmetry in the inside top both sides in humidification cavity, water storage box outside middle part fixedly connected with inlet tube, the inside humidification shower nozzle that is provided with of water storage box, the even water board of inboard fixedly connected with of humidification shower nozzle, even water inboard middle part of board is provided with inlet channel, and the output of evaporimeter passes through the air duct and is connected with the humidification cavity.

Preferably, wet chamber one side is provided with the filtration cavity, filtration cavity inner part fixed mounting has active carbon filtration membrane, fixed grafting between the grafting end that active carbon filtration membrane passes through its both sides tip and the gomphosis groove that kiln tail treatment chamber inner wall was seted up, the equal equidistance in gomphosis inslot side portion is provided with the protruding glue of block, gomphosis groove outside end fixed mounting has the fastening cardboard, active carbon filtration membrane one side is provided with the dirty groove of collection, dirty tank bottom below through connection has the filth collecting box of collection.

Preferably, filter cavity one side and be provided with the dust removal cavity, dust removal cavity outside middle part all is provided with the gomphosis apron, the equal symmetry of the indoor side limit portion of dust removal cavity is provided with the dust collection cavity, the indoor side limit portion fixed mounting of dust collection cavity has the fan of gathering dust, the inboard side limit portion fixed mounting of fan of gathering dust has the water conservancy diversion frid, the input of the fan of gathering dust and the output electric connection of commercial power.

Preferably, the annular cooling air pipe, the connecting air pipe and the cooling fan are provided with sealing rubber rings at the connecting parts.

Preferably, the water homogenizing plate is uniformly provided with air permeable pores inside.

Preferably, the inner diameter of the fitting groove is larger than the outer diameter of the plug end.

Preferably, the fastening snap-gauge is internally and fixedly provided with four fastening snap springs.

Preferably, the joint of the embedded cover plate and the dust removal chamber is provided with a dustproof sleeve, and the outside of the embedded cover plate is provided with a handle.

Preferably, the flow guide groove plate is uniformly provided with flow guide groove holes, and the flow guide groove holes are internally provided with a sewage absorbing film layer.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:

1. the annular cooling air pipe, the gas compressor, the condenser, the cross-flow fan and the evaporator can conveniently and uniformly act cooling air flow generated by the cooling fan in the rotary kiln, the tail gas in the rotary kiln can be subjected to primary cooling treatment, the flow speed of the tail gas in the rotary kiln body can be increased, so that the tail gas is conveyed into the gas compressor, the tail gas can be sucked and compressed into high-pressure steam by the gas compressor and then is discharged to the condenser to take away heat emitted by a refrigerant, the high-pressure refrigerant steam is condensed into high-pressure liquid and is sprayed into the evaporator and evaporated at corresponding low pressure to absorb surrounding heat, at the moment, the cross-flow fan enables air to continuously enter fins of the evaporator for heat exchange, and the tail gas which is cooled after heat release is output, so that the tail gas continuously circularly flows, the purpose of reducing the temperature of the tail gas is achieved, and the temperature of the tail gas generated by the rotary kiln, the subsequent problem of difficult utilization has reduced the cooling time of tail gas, has improved the treatment effeciency of tail gas.

2. Can carry out the humidifying to getting into kiln tail treatment chamber inside tail gas through humidifying shower nozzle and even water board and handle, and then preliminary with inside dust, dust and harmful gas etc. handle, bring the convenience for subsequent processing.

3. Further filter tail gas through active carbon filtration membrane, the inside filth and the peculiar smell of doping of filtering improve the treatment effect of tail gas, utilize the grafting end simultaneously to be convenient for people to the quick installation and the dismantlement of active carbon filtration membrane, and then the people of being convenient for are to the clearance and the change of active carbon filtration membrane, and the collection of filth and then reduced the intensity of labour of manual cleaning behind the filth collecting box filtering of being convenient for.

4. The dust in the tail gas can be further sucked into the dust collection chamber through the guide groove plate by the dust collection fan, so that the purity of the tail gas and the treatment efficiency of the tail gas in the kiln tail treatment chamber are improved, and the tail gas has a wider utilization range in subsequent utilization.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the internal structure of the kiln tail treatment chamber of the present invention;

FIG. 3 is a schematic view of the area A in FIG. 2 according to the present invention;

● reference numbers in the drawings: 1. a rotary kiln body; 2. a kiln tail treatment chamber; 3. connecting a shaft seal; 4. An annular cooling gas pipe; 5. cooling the air holes; 6. connecting an air pipe; 7. a cooling fan; 8. a humidification chamber; 9. a dust removal chamber; 10. a water inlet pipe; 11. a water storage tank; 12. humidifying the spray head; 13. a water homogenizing plate; 14. an air intake passage; 15. a filtration chamber; 16. an activated carbon filtration membrane; 17. inserting an end socket; 18. a fitting groove; 19. clamping convex glue; 20. fastening a clamping plate; 21. a sewage collecting tank; 22. a dirt collection box; 23. embedding a cover plate; 24. a dust collection chamber; 25. a dust collecting fan; 26. a flow guide groove plate; 27. a cross-flow fan; 28. a condensing chamber; 29. A condenser; 30. a gas compressor; 31. an air duct; 32. an evaporator.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-3, the utility model provides a technical scheme, a rotary kiln tail gas treatment system, including rotary kiln body 1, rotary kiln body 1 is through connecting shaft seal 3 fixedly connected with kiln tail treatment chamber 2, one side of the inside of kiln tail treatment chamber 2 is provided with condensation chamber 28, the inside fixed mounting of condensation chamber 28 has gas compressor 30, and the input of gas compressor 30 passes through air duct 31 and is connected with the exhaust end of rotary kiln body 1, the inside fixed mounting of one side condensation chamber 28 of gas compressor 30 has condenser 29, and the input of condenser 29 passes through air duct 31 and is connected with the output of gas compressor 30, the inside fixed mounting of one side condensation chamber 28 of condenser 29 has evaporimeter 32, and the input of evaporimeter 32 passes through air duct 31 and is connected with the output of condenser 29, the top fixed mounting of one side condensation chamber 28 of evaporimeter 32 has cross-flow fan 27, the air supply end of the cross-flow fan 27 is connected with the evaporator 32 through an air duct 31, the cross-flow fan can be sucked and compressed into high-pressure steam through the air compressor 30, the high-pressure steam is discharged to the condenser 29 to take away heat emitted by the refrigerant, the high-pressure refrigerant steam is condensed into high-pressure liquid, the high-pressure liquid is sprayed and conveyed into the evaporator 32 and is evaporated under corresponding low pressure, the surrounding heat is absorbed, at the moment, the cross-flow fan 27 enables air to continuously enter fins of the evaporator 32 for heat exchange, the tail gas which is cooled after heat release is output, the tail gas continuously flows circularly, the purpose of reducing the temperature of the tail gas is achieved, an annular cooling air pipe 4 is fixedly installed on the outer side of one side end part of the rotary kiln body 1, cooling air holes 5 are annularly formed in the inner side part of the annular cooling air pipe 4, the annular cooling air pipe 4 is hermetically connected with a, the cooling fan 7, the cross flow fan 27, the condenser 29, the evaporator 32 and the gas compressor 30 are electrically connected with the output end of the commercial power, in order to prevent the phenomenon of gas leakage when the annular cooling gas pipe 4, the connecting gas pipe 6 and the cooling fan 7 are connected for use, the joints of the annular cooling gas pipe 4, the connecting gas pipe 6 and the cooling fan 7 are all provided with a sealing rubber ring, a humidifying chamber 8 is arranged inside a kiln tail treatment chamber 2 at one side of a condensing chamber 28, water storage tanks 11 are symmetrically arranged at two sides above the humidifying chamber 8, the middle part outside the water storage tank 11 is fixedly connected with a water inlet pipe 10, a humidifying nozzle 12 is arranged inside the water storage tank 11, a water homogenizing plate 13 is fixedly connected to the inner side of the humidifying nozzle 12, the output end of the evaporator 32 is connected with the humidifying chamber 8 through a gas guide pipe 31, in order to facilitate the nozzle 12 to uniformly act water inside the water storage tank, air-permeable pores are uniformly arranged in the water homogenizing plate 13, an air inlet channel 14 is arranged in the middle of the inner side of the water homogenizing plate 13, a filtering chamber 15 is arranged at one side of the humidifying chamber 8, an active carbon filtering membrane 16 is fixedly arranged at the middle end in the filtering chamber 15, the active carbon filtering membrane 16 is fixedly inserted into an embedding groove 18 arranged on the inner wall of the kiln tail processing chamber 2 through an inserting end 17 at the end parts of two sides of the active carbon filtering membrane, the inserting end 17 is inserted into the embedding groove 18 for more convenience, the inner diameter of the embedding groove 18 is larger than the outer diameter of the inserting end 17, clamping convex rubbers 19 are arranged at equal intervals at the edge part of the inner side of the embedding groove 18, a fastening snap gauge 20 is fixedly arranged at the outer side end part of the embedding groove 18, and in order to further improve the stability of the inserting end 17 and the embedding groove 18 after embedding and inserting, the number of the fastening snap springs is four, a dirt collecting groove 21 is arranged on one side of the active carbon filtering membrane 16, a dirt collecting box 22 is connected below the bottom of the dirt collecting groove 21 in a penetrating manner, a dust removing chamber 9 is arranged on one side of the filtering chamber 15, a tabling cover plate 23 is arranged in the middle of the outer side of the dust removing chamber 9, so that dust is prevented from leaking from the joint of the tabling cover plate 23 and the dust removing chamber 9, meanwhile, people can conveniently open and close the tabling cover plate 23, a dustproof sleeve is arranged at the joint of the tabling cover plate 23 and the dust removing chamber 9, a handle is arranged outside the tabling cover plate 23, dust collecting chambers 24 are symmetrically arranged on the inner side edge of the dust removing chamber 9, dust collecting fans 25 are fixedly arranged on the inner side edge of the dust collecting chambers 24, the types of the dust collecting fans 25 are YWF4D-630, guide groove plates 26 are fixedly arranged on the inner, meanwhile, the phenomenon that dust is bonded in the diversion groove holes is prevented, the diversion groove holes are uniformly formed in the diversion groove plate 26, a sewage sucking film layer is arranged in the diversion groove holes, and the input end of the dust collecting fan 25 is electrically connected with the output end of the commercial power.

The utility model discloses a theory of operation and use flow: in the actual use process of the rotary kiln tail gas treatment system, firstly, cooling gas is conveyed into an annular cooling gas pipe 4 through a cooling fan 7 outside a rotary kiln body 1 through a connecting gas pipe 6, then the cooling gas is uniformly acted in the tail gas inside the rotary kiln body 1 through cooling gas holes 5 inside the annular cooling gas pipe 4 to carry out primary cooling treatment on the tail gas, the flow speed of the tail gas inside the rotary kiln body 1 can be increased, so that the tail gas is conveyed into a gas compressor 30, then the tail gas is sucked into the gas compressor 30 and compressed into high-pressure steam, and then the high-pressure steam is discharged to a condenser 29 to take away heat emitted by a refrigerant, so that the high-pressure refrigerant steam is condensed into high-pressure liquid, is sprayed into an evaporator 32 and is conveyed into the evaporator to be evaporated under corresponding low pressure, the surrounding heat is absorbed, and at the moment, the cross flow fan 27 enables air to continuously enter fins of the, and the tail gas which is cooled after releasing heat is output and continuously flows circularly, thereby achieving the purpose of reducing the temperature of the tail gas and avoiding the phenomenon that the heat carried in the tail gas is too high and difficult to treat, then the tail gas flows into the kiln tail treatment chamber 2 through the air inlet channel 14 connected with the rotary kiln body 1, when the tail gas after cooling treatment is in the kiln tail treatment chamber 2, firstly, the water in the water storage tank 11 is uniformly acted in the entering tail gas through the water homogenizing plate 13 through the humidifying spray head 12 to reduce the dust and harmful gas carried in the tail gas, secondly, the dirt doped in the tail gas is further filtered through the active carbon filtering membrane 16 in the filtering chamber 15, the dirt doped in the tail gas is further reduced, the convenience is brought for subsequent utilization, the splicing end 17 at the two ends of the active carbon filtering membrane 16 is spliced with the splicing groove 18 on the inner wall of the kiln tail treatment chamber 2, thereby facilitating the fixed installation and the movable disassembly of the active carbon filtering membrane 16, bringing convenience to the cleaning and the replacement of the active carbon filtering membrane 16, meanwhile, the stability of the splicing end 17 and the splicing groove 18 after connection is ensured by the clamping convex glue 19 and the fastening clamping plate 20, the dirt collecting groove 21 is convenient for collecting the dirt filtered by the active carbon filtering membrane 16, the dirt is collected in the dirt collecting box 22 by utilizing the gravity of the dirt, thereby being convenient for people to clean the active carbon filtering membrane 16, reducing the labor intensity of manual cleaning, after the tail gas is filtered by the active carbon filtering membrane 16, the third step is that the dust in the tail gas is further sucked into the dust collecting chamber 24 by the flow guide groove plate 16 through the dust collecting fan 25 for collection, and then make the tail gas possess higher purity, improve the treatment effect of tail gas, bring the convenience for subsequent utilization.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a rotary kiln tail gas processing system, includes rotary kiln body (1), its characterized in that: the rotary kiln comprises a rotary kiln body (1), a kiln tail treatment chamber (2) is fixedly connected with the rotary kiln body (1) through a connecting shaft seal (3), a condensation chamber (28) is arranged on one side inside the kiln tail treatment chamber (2), a gas compressor (30) is fixedly installed inside the condensation chamber (28), the input end of the gas compressor (30) is connected with the exhaust end of the rotary kiln body (1) through a gas guide pipe (31), a condenser (29) is fixedly installed inside the condensation chamber (28) on one side of the gas compressor (30), the input end of the condenser (29) is connected with the output end of the gas compressor (30) through a gas guide pipe (31), an evaporator (32) is fixedly installed inside the condensation chamber (28) on one side of the condenser (29), the input end of the evaporator (32) is connected with the output end of the condenser (29) through the gas guide pipe (31), a cross-flow fan (27) is fixedly installed at the top of the condensation chamber (28) on, and the air supply end of the cross flow fan (27) is connected with the evaporator (32) through an air duct (31), an annular cooling air pipe (4) is fixedly installed on the outer side of the end part of one side of the rotary kiln body (1), cooling air holes (5) are annularly formed in the edge part of the inner side of the annular cooling air pipe (4), the annular cooling air pipe (4) is hermetically connected with the cooling fan (7) through a connecting air pipe (6) at the end part of the annular cooling air pipe, and the input ends of the cooling fan (7), the cross flow fan (27), the condenser (29), the evaporator (32) and the gas compressor (30) are electrically connected with the output end of a mains supply.

2. The rotary kiln tail gas treatment system as claimed in claim 1, characterized in that: one side kiln tail treatment chamber (2) of condensation chamber (28) is inside to be provided with humidification chamber (8), water storage box (11) are installed to the equal symmetry in the inside top both sides in humidification chamber (8), water storage box (11) outside middle part fixedly connected with inlet tube (10), inside humidification shower nozzle (12) that is provided with of water storage box (11), even water board (13) of inboard fixedly connected with of humidification shower nozzle (12), even water board (13) inboard middle part is provided with inlet channel (14), and the output of evaporimeter (32) passes through air duct (31) and is connected with humidification chamber (8).

3. The rotary kiln tail gas treatment system as claimed in claim 2, characterized in that: humidification cavity (8) one side is provided with filters cavity (15), filter cavity (15) inside middle-end fixed mounting has active carbon filtration membrane (16), fixed grafting between gomphosis groove (18) that active carbon filtration membrane (16) were seted up through grafting end (17) of its both sides tip and kiln tail treatment chamber (2) inner wall, the equal equidistance of the inboard limit portion in gomphosis groove (18) is provided with block protruding glue (19), gomphosis groove (18) outside end fixed mounting has fastening cardboard (20), active carbon filtration membrane (16) one side is provided with collection dirt groove (21), collection dirt groove (21) bottom below through connection has filth collecting box (22).

4. The rotary kiln tail gas treatment system as claimed in claim 3, characterized in that: filter cavity (15) one side and be provided with dust removal cavity (9), dust removal cavity (9) outside middle part all is provided with gomphosis apron (23), the equal symmetry of the inboard limit portion of dust removal cavity (9) is provided with collection dirt cavity (24), the inboard limit portion fixed mounting of collection dirt cavity (24) has dust collection fan (25), the inboard limit portion fixed mounting of dust collection fan (25) has water conservancy diversion frid (26), the input of dust collection fan (25) and the output electric connection of commercial power.

5. The rotary kiln tail gas treatment system as claimed in claim 1, characterized in that: and sealing rubber rings are arranged at the joints of the annular cooling air pipe (4), the connecting air pipe (6) and the cooling fan (7).

6. The rotary kiln tail gas treatment system as claimed in claim 2, characterized in that: and air-permeable pores are uniformly formed in the water homogenizing plate (13).

7. The rotary kiln tail gas treatment system as claimed in claim 3, characterized in that: the inner diameter of the embedding groove (18) is larger than the outer diameter of the inserting end head (17).

8. The rotary kiln tail gas treatment system as claimed in claim 3, characterized in that: and the fastening clamp plates (20) are fixedly provided with four fastening clamp springs inside, and the number of the fastening clamp springs is four.

9. The rotary kiln tail gas treatment system as claimed in claim 4, characterized in that: the joint of the embedded cover plate (23) and the dust removal chamber (9) is provided with a dustproof sleeve, and a handle is arranged outside the embedded cover plate (23).

10. The rotary kiln tail gas treatment system as claimed in claim 4, characterized in that: the inside of the diversion slotted plate (26) is uniformly provided with diversion slotted holes, and the inside of each diversion slotted hole is provided with a sewage absorbing film layer.