CN115717834A - Lining type flue gas recovery device of rotary kiln - Google Patents
Lining type flue gas recovery device of rotary kiln Download PDFInfo
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- CN115717834A CN115717834A CN202211510989.1A CN202211510989A CN115717834A CN 115717834 A CN115717834 A CN 115717834A CN 202211510989 A CN202211510989 A CN 202211510989A CN 115717834 A CN115717834 A CN 115717834A
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- rotary kiln
- flue gas
- kiln body
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- heat exchange
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 87
- 239000003546 flue gas Substances 0.000 title claims abstract description 87
- 238000011084 recovery Methods 0.000 title claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 121
- 239000007789 gas Substances 0.000 claims abstract description 47
- 239000007921 spray Substances 0.000 claims description 55
- 239000000779 smoke Substances 0.000 claims description 48
- 238000007789 sealing Methods 0.000 claims description 21
- 210000001503 joint Anatomy 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 17
- 230000000712 assembly Effects 0.000 claims description 14
- 238000000429 assembly Methods 0.000 claims description 14
- 239000000523 sample Substances 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 9
- 235000019504 cigarettes Nutrition 0.000 claims description 8
- 238000003032 molecular docking Methods 0.000 claims description 7
- 238000007791 dehumidification Methods 0.000 claims description 6
- 238000005253 cladding Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 4
- 239000003651 drinking water Substances 0.000 claims 3
- 235000020188 drinking water Nutrition 0.000 claims 3
- 239000003517 fume Substances 0.000 claims 1
- 238000005507 spraying Methods 0.000 abstract description 29
- 235000019738 Limestone Nutrition 0.000 abstract description 24
- 239000006028 limestone Substances 0.000 abstract description 24
- 239000000463 material Substances 0.000 abstract description 15
- 238000006477 desulfuration reaction Methods 0.000 abstract description 14
- 230000023556 desulfurization Effects 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000001914 filtration Methods 0.000 description 11
- 238000005086 pumping Methods 0.000 description 10
- 238000009423 ventilation Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 239000002699 waste material Substances 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The invention discloses a rotary kiln lining type flue gas recovery device, and belongs to the technical field of flue gas recovery. Increase and limestone water contact area, make gaseous and limestone water fully reflect, improve the treatment effeciency, effectively avoid changing pressure, guarantee the dynamics of spraying, make the shower nozzle cover can dismantle through the shower nozzle subassembly, make the shower nozzle cover removable or clear up, the service life is prolonged, prevent that the shower nozzle cover from blockking up, strict accuse gas discharge quality, the environmental protection does not receive the pollution, improve the desulfurization quality, improve the collection efficiency, prevent that the flue gas from influencing the material, improve the utilization of smog heat, effectively save heat energy, reduce manufacturing cost, the continuation carries out indirect flue gas collection, improve the collection efficiency, improve the leakproofness, guarantee that inside material can not reveal.
Description
Technical Field
The invention relates to the technical field of flue gas recovery, in particular to a rotary kiln lining type flue gas recovery device.
Background
In the process of presintering in the rotary kiln, various chemical reactions can occur among the raw materials of the magnetic core material to generate smoke, and if the smoke is directly discharged into the atmosphere, the dust in the smoke can cause atmospheric pollution and waste of the raw materials, so that the purification and recovery of the smoke of the rotary kiln are urgent in industrial production. At present, domestic manufacturers in the same industry generally directly remove flue gas after passing through a cyclone separator or directly discharge the flue gas after passing through a bag type dust collector when purifying and recovering the flue gas of a rotary kiln, and the methods can achieve the purpose of purifying and recovering the flue gas to a certain extent, but have obvious defects that ultrafine powder contained in the flue gas cannot be removed and recovered, and the ultrafine powder is discharged along with the flue gas; in addition, when the bag type dust collector is used for purification and recovery, the use cost of the bag type dust collector is very high due to the fact that the temperature of the flue gas is higher than 250 ℃, and meanwhile, complete purification and recovery of the flue gas cannot be achieved.
Disclosure of Invention
The invention aims to provide a rotary kiln lining type flue gas recovery device which increases the contact area with limestone water, ensures that gas and limestone water are fully reflected, improves the treatment efficiency, effectively avoids changing pressure intensity, ensures spraying force, enables a spray head cover to be detachable through a spray head assembly, enables the spray head cover to be replaceable or cleaned, prolongs the service life, prevents the spray head cover from being blocked, strictly controls the gas emission quality, protects the environment from being polluted, improves the desulfurization quality, improves the collection efficiency, prevents flue gas from influencing materials, improves the utilization of smoke heat, effectively saves heat energy, reduces the production cost, continuously performs indirect flue gas collection, improves the collection efficiency, improves the sealing property and ensures that internal materials cannot leak, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a lining formula flue gas recovery unit in rotary kiln, includes the rotary kiln body, the smoke chamber is connected to the one end of rotary kiln body, goes out the top installation feed inlet of smoke chamber, the top that goes out the smoke chamber sets up out cigarette device, the other end of rotary kiln body sets up the process chamber, and urgent gas vent is seted up to the side of process chamber, and the top of process chamber sets up fixed gas vent, the cladding is provided with interior kiln body in the rotary kiln body, set up detection device on fixed gas vent and the urgent gas vent, the inside of process chamber is provided with flue gas processing apparatus, rotary kiln body top sets up flue gas recovery unit.
Furthermore, a smoke conveying hole groove is formed in the side end of the smoke outlet chamber and connected with a smoke outlet device, the smoke outlet device comprises a gas conveying pipeline and an electromagnetic valve, and the electromagnetic valve is installed on the gas conveying pipeline.
Further, flue gas processing apparatus is including handling box, basin, intake pipe, filter screen, spray set and dehumidification chamber, and the basin is seted up in the bottom of handling the box, and the intake pipe is connected to the basin side, sets up the filter screen in the processing box of basin top, sets up spray set in the processing box of filter screen top, and the spray set top sets up the dehumidification chamber.
Furthermore, the spraying device comprises a water pumping pipe, a water pump, a water delivery main pipe, a water spraying disc and a spray head assembly, the water pumping pipe is connected with the water tank, one end of the water pumping pipe is connected with the water pump, one end of the water pump is connected with the water delivery main pipe, the side end of the water delivery main pipe is connected with the water spraying disc, the water spraying disc is arranged in the processing box body, and a plurality of groups of spray head assemblies are arranged below the water spraying disc.
Furthermore, the spray head assembly comprises a fixing base, a clamping and connecting plate, a clamping and connecting groove, a water receiving pipe, a movable shaft collar, a clamping and connecting block, a spray head cover and a lead-in groove, wherein the clamping and connecting plate is fixed in the fixing base, the clamping and connecting groove is formed between the clamping and connecting plate and the fixing base, the movable shaft collar is sleeved on the water receiving pipe, the clamping and connecting block is fixed at the two ends of the outer side of the movable shaft collar, the spray head cover is connected at the rear end of the water receiving pipe, the lead-in groove is formed in the two ends of the upper end face of the fixing base, the lead-in groove is communicated with the clamping and connecting groove, the size of the lead-in groove is larger than that of the clamping and connecting block, and the clamping and connecting block is movably inserted and connected with the lead-in groove.
Furthermore, the detection device comprises a sealed outer box, a detection probe, a return pipe and a discharge pipe, wherein the detection probe is arranged in the sealed outer box, the discharge pipe and the return pipe are respectively connected to two sides of the sealed outer box, and control electrovalves are respectively arranged on the discharge pipe and the return pipe.
Further, flue gas recovery unit includes the groove of giving vent to anger, filters close net, butt joint air channel, collects cover, collecting pipe and heat exchange assemblies, and the groove of giving vent to anger is seted up on the rotary kiln body, sets up in the groove of giving vent to anger and filters close net, and the interior kiln body of cladding activity cup joints in the rotary kiln body, and the butt joint air channel is seted up on the inner kiln body, and the groove top of giving vent to anger sets up collects the cover, collects and covers the installation collecting pipe, and heat exchange assemblies is connected to the collecting pipe top.
Furtherly, heat exchange assembly includes heat exchange sleeve, heat exchange tube, inlet tube and outlet pipe, and the heat exchange tube has been cup jointed in the heat exchange sleeve, and the collecting pipe upper end pierces through heat exchange sleeve and heat exchange tube intercommunication, and the heat exchange medium is filled in the heat exchange sleeve, and inlet tube and outlet pipe have been seted up respectively to heat exchange sleeve's top both ends, and heat exchange tube one end pierces through the heat exchange sleeve and is connected with flue gas processing apparatus.
Further, a sealing rotating assembly is further arranged between the rotary kiln body and the inner kiln body and comprises a rotating shaft, a tooth groove, a motor, a butt joint gear and a sealing assembly, the rotating shaft is connected to the inner kiln body in a sleeved mode, the tooth groove is formed in the outer end face of the rotating shaft, the butt joint gear is connected to an output shaft of the motor in a sleeved mode, the butt joint gear is meshed with the tooth groove in the outer end face of the rotating shaft, two ends of the inner kiln body are connected in the rotary kiln body in a sleeved mode, and the inner kiln body is movably connected with the rotary kiln body.
Furthermore, the sealing assembly comprises an inner sleeve layer, an outer sleeve layer and inner convex strips, the inner sleeve layer is sleeved on the inner wall of the rotary kiln body, the outer sleeve layer is sleeved on the outer wall of the rotary kiln body, which is in contact with the inner kiln body, a group of inner convex strips are arranged at the upper end of the inner sleeve layer, and the rotary kiln body is in sealing connection with the inner kiln body through the inner sleeve layer and the outer sleeve layer.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the rotary kiln lining type flue gas recovery device provided by the invention, the filter screen is arranged in the processing box body above the water tank, the spraying device is arranged in the processing box body above the filter screen, the dehumidification cavity is arranged above the spraying device, the water tank is filled with limestone water, sulfur-containing gas enters the limestone water, the contact area with the limestone water is increased, the gas and the limestone water are fully reflected, and the processing efficiency is improved.
2. According to the rotary kiln lining type flue gas recovery device, one end of a water pump is connected with a water delivery main pipe, the side end of the water delivery main pipe is connected with a water spraying disc, the water spraying disc is arranged in a processing box body, a plurality of groups of spray head assemblies are arranged below the water spraying disc, limestone water sprayed by the spray head assemblies is fully contacted with gas after primary filtration, the desulfurization effect is improved, a wet desulfurization cycle is formed, the utilization efficiency is increased, and the resource waste is reduced.
3. According to the rotary kiln lining type flue gas recovery device, the clamping block is movably inserted and connected with the leading-in groove, the connection between the spray head cover and the fixed seat is more stable, the influence of water pressure on the stability of the interface is prevented, the spraying effect is prevented from being influenced, the access part is sealed through the movable shaft ring, the pressure intensity is effectively prevented from being changed, the spraying force is ensured, the spray head cover is detachable through the spray head assembly, the spray head cover can be replaced or cleaned, the service life is prolonged, and the spray head cover is prevented from being blocked.
4. According to the rotary kiln lining type flue gas recovery device, the discharge pipe and the return pipe are respectively provided with the control electrovalve, the gas after secondary filtration is detected by arranging the detection probe in the sealed box body, whether the gas is qualified or not is judged, the gas discharge quality is strictly controlled, the environment is protected from pollution, and the desulfurization quality is improved.
5. According to the rotary kiln lining type smoke recovery device provided by the invention, when the air outlet groove is superposed with the butt joint ventilation groove, smoke in the inner kiln body is scattered out through the butt joint ventilation groove, smoke impurities are filtered through the filter dense net, the smoke is collected through the collecting cover and then is conveyed into the heat exchange assembly through the collecting pipe, and the residual smoke in the inner kiln body and the rotary kiln body is effectively collected through the butt joint ventilation groove, so that the collecting efficiency is improved, and the smoke is prevented from influencing materials.
6. According to the rotary kiln lining type flue gas recovery device, the heat exchange sleeve is filled with the heat exchange medium, the water inlet pipe and the water outlet pipe are respectively arranged at the two ends above the heat exchange sleeve, one end of the heat exchange pipe penetrates through the heat exchange sleeve to be connected with the flue gas treatment device, when smoke enters the heat exchange pipe, heat exchange is effectively carried out on the smoke and water in the heat exchange sleeve, the smoke heat utilization is improved, heat energy is effectively saved, and the production cost is reduced.
7. According to the rotary kiln lining type flue gas recovery device provided by the invention, the rotary kiln body is in sealing connection with the inner kiln body through the inner sleeve layer and the outer sleeve layer, the motor drives the rotating shaft to rotate, so that the inner kiln body and the rotary kiln body are driven to be in rotating connection with each other, the air outlet groove and the butt joint ventilation groove are driven to coincide, indirect flue gas collection can be continuously carried out, the collection efficiency is improved, the sealing assembly is arranged to effectively carry out sealing, the sealing performance is improved, and the internal materials are prevented from being leaked.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a half sectional view of the chamber configuration of the present invention;
FIG. 3 is a schematic structural view of a spraying device according to the present invention;
FIG. 4 is a schematic structural view of a showerhead assembly of the present invention;
FIG. 5 is an exploded view of the showerhead assembly construction of the present invention;
FIG. 6 is a cross-sectional view of the detecting device of the present invention;
FIG. 7 is a schematic view of the flue gas recovery apparatus of the present invention;
FIG. 8 is a partial sectional view of the flue gas recovery device of the present invention;
FIG. 9 is a schematic view of the heat exchange assembly of the present invention;
FIG. 10 is a schematic view of the seal rotating assembly of the present invention;
FIG. 11 is a cross-sectional view of a seal assembly of the present invention.
In the figure: 1. a rotary kiln body; 11. a processing chamber; 111. an emergency vent; 112. fixing the exhaust port; 12. an inner kiln body; 2. a smoke outlet chamber; 21. a smoke conveying hole groove; 3. a feed inlet; 4. a smoke outlet device; 41. a gas pipeline; 42. an electromagnetic valve; 5. a detection device; 51. sealing the outer box; 52. detecting a probe; 53. a return pipe; 54. a discharge pipe; 6. a flue gas treatment device; 61. a treatment box body; 62. a water tank; 63. an air inlet pipe; 64. a filter screen; 65. a spraying device; 651. a water pumping pipe; 652. a water pump; 653. a water delivery main pipe; 654. a water spray disc; 655. a showerhead assembly; 6551. a fixed seat; 6552. a clamping plate; 6553. a clamping groove is formed; 6554. a water receiving pipe; 6555. a movable collar; 6556. clamping the block; 6557. a nozzle cover; 6558. a leading-in groove; 66. a dehumidification chamber; 7. a flue gas recovery device; 71. an air outlet groove; 72. filtering the dense net; 73. butting the vent grooves; 74. a collection hood; 75. a collection pipe; 78. a heat exchange assembly; 781. a heat exchange sleeve; 782. a heat exchange pipe; 783. a water inlet pipe; 784. a water outlet pipe; 8. sealing the rotating assembly; 81. a rotating shaft; 82. a tooth socket; 83. a motor; 84. a docking gear; 85. a seal assembly; 851. an inner jacket layer; 852. an overcoat layer; 853. an inner convex strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1, a rotary kiln lining type flue gas recovery device comprises a rotary kiln body 1, one end of the rotary kiln body 1 is connected with a flue gas outlet chamber 2, a feed inlet 3 is installed above the flue gas outlet chamber 2, a flue gas outlet device 4 is arranged above the flue gas outlet chamber 2, the other end of the rotary kiln body 1 is provided with a treatment chamber 11, an emergency exhaust port 111 is formed in the side end of the treatment chamber 11, a fixed exhaust port 112 is formed above the treatment chamber 11, an inner kiln body 12 is arranged in the rotary kiln body 1 in a covering manner, a detection device 5 is arranged on the fixed exhaust port 112 and the emergency exhaust port 111, a flue gas treatment device 6 is arranged inside the treatment chamber 11, a flue gas recovery device 7 is arranged above the rotary kiln body 1, a flue gas outlet hole groove 21 is formed in the side end of the flue gas outlet chamber 2, the flue gas outlet hole groove 21 is connected with the flue gas outlet device 4, the flue gas outlet device 4 comprises a gas conveying pipeline 41 and an electromagnetic valve 42, an electromagnetic valve 42 is installed on the flue gas conveying pipeline 41, and hot gas in the flue gas outlet chamber 2 is used for preheating materials falling from the feed inlet 3, thereby effectively pretreating the materials and improving the material processing efficiency.
Referring to fig. 2, the flue gas treatment device 6 includes a treatment tank 61, a water tank 62, an air inlet pipe 63, a filter screen 64, a spraying device 65 and a dehumidifying chamber 66, wherein the water tank 62 is provided at the bottom end of the treatment tank 61, the air inlet pipe 63 is connected to the side end of the water tank 62, the filter screen 64 is provided in the treatment tank 61 above the water tank 62, the spraying device 65 is provided in the treatment tank 61 above the filter screen 64, the dehumidifying chamber 66 is provided above the spraying device 65, the water tank 62 is filled with limestone water, sulfur-containing gas enters the limestone water to increase the contact area with the limestone water, so that the gas and the limestone water can be fully reflected, and the treatment efficiency can be improved.
Referring to fig. 3, the spraying device 65 includes a water pumping pipe 651, a water pump 652, a water delivery main pipe 653, a water spray disk 654 and a nozzle assembly 655, the water pumping pipe 651 is connected to the water tank 62, one end of the water pumping pipe 651 is connected to the water pump 652, one end of the water pump 652 is connected to the water delivery main pipe 653, a water spray disk 654 is connected to a side end of the water delivery main pipe 653, the water spray disk 654 is disposed in the processing box 61, a plurality of groups of nozzle assemblies 655 are installed below the water spray disk 654, limestone water sprayed from the nozzle assemblies 655 is fully contacted with the primarily filtered gas, so as to improve the desulfurization effect, form a wet desulfurization cycle, increase the utilization efficiency, and reduce the waste of resources.
Referring to fig. 4-5, the nozzle assembly 655 includes a fixing base 6551, a fastening plate 6552, a fastening groove 6553, a water receiving pipe 6554, a movable collar 6555, a fastening block 6556, a nozzle cover 6557 and a guiding groove 6558, the fastening plate 6552 is fixed in the fixing base 6551, the fastening groove 6553 is formed between the fastening plate 6552 and the fixing base 6551, the movable collar 6555 is sleeved on the water receiving pipe 6554, the fastening block 6556 is fixed at two ends of the outer side of the movable collar 6555, the nozzle cover 6557 is connected at the rear end of the water receiving pipe 6554, the guiding groove 6558 is formed at two ends of the upper end surface of the fixing base 6551, the guiding groove 6558 is communicated with the fastening groove 6553, the size of the guiding groove 6558 is larger than that of the fastening block 6556, the fastening block 6556 is movably inserted and connected with the guiding groove 6558, the nozzle cover 6557 and the fixing base 6551 is more stably connected, thereby preventing water pressure from influencing the stable connection of the stable interface, avoiding influence on the injection effect, also sealing the fastening position of the movable collar 6555 to effectively avoid pressure change, ensure the spraying force, make the nozzle cover 6557 removable cap 6557 and improve the service life of the removable nozzle cover 6557 or prevent the nozzle cover 6557 from being blocked.
Referring to fig. 6, the detecting device 5 includes a sealed outer box 51, a detecting probe 52, a return pipe 53 and a discharge pipe 54, the detecting probe 52 is disposed in the sealed outer box 51, the discharge pipe 54 and the return pipe 53 are respectively connected to two sides of the sealed outer box 51, the discharge pipe 54 and the return pipe 53 are both provided with control electric valves, and the detecting probe 52 disposed in the sealed box detects the gas after the secondary filtration, so as to determine whether the gas is qualified, strictly control the gas discharge quality, protect the environment from contamination, and improve the desulfurization quality.
Referring to fig. 7-8, the flue gas recycling device 7 includes an air outlet groove 71, a dense filter screen 72, a butt-joint vent groove 73, a collection cover 74, a collection pipe 75 and a heat exchange assembly 78, the air outlet groove 71 is disposed on the rotary kiln body 1, the dense filter screen 72 is disposed in the air outlet groove 71, the rotary kiln body 1 is internally covered with the movably sleeved inner kiln body 12, the butt-joint vent groove 73 is disposed on the inner kiln body 12, the collection cover 74 is disposed above the air outlet groove 71, the collection pipe 75 is mounted on the collection cover 74, the heat exchange assembly 78 is connected above the collection pipe 75, when the air outlet groove 71 is overlapped with the butt-joint vent groove 73, the flue gas in the inner kiln body 12 is emitted from the butt-joint vent groove 73, the impurities of the flue gas are filtered by the dense filter screen 72, the flue gas is collected by the collection pipe 75 into the heat exchange assembly 78 through the collection cover 74, the residual flue gas in the rotary kiln body 1 and the kiln body 12 is effectively collected by the butt-joint vent groove 73, thereby improving the collection efficiency and preventing the flue gas from affecting the materials.
Referring to fig. 9, the heat exchange assembly 78 includes a heat exchange sleeve 781, a heat exchange tube 782, a water inlet tube 783 and a water outlet tube 784, the heat exchange tube 782 is sleeved in the heat exchange sleeve 781, the upper end of the collecting tube 75 penetrates through the heat exchange sleeve 781 to communicate with the heat exchange tube 782, a heat exchange medium is filled in the heat exchange sleeve 781, the water inlet tube 783 and the water outlet tube 784 are respectively disposed at two ends above the heat exchange sleeve 781, one end of the heat exchange tube 782 penetrates through the heat exchange sleeve 781 to be connected with the smoke treatment device 6, when smoke enters the heat exchange tube 782, the smoke effectively exchanges heat with water in the heat exchange sleeve 781, smoke heat utilization is improved, heat energy is effectively saved, and production cost is reduced.
Referring to fig. 10, a rotary kiln lining type flue gas recovery device comprises a rotary kiln body 1, one end of the rotary kiln body 1 is connected with a flue gas outlet chamber 2, a feed inlet 3 is installed above the flue gas outlet chamber 2, a flue gas outlet device 4 is arranged above the flue gas outlet chamber 2, the other end of the rotary kiln body 1 is provided with a treatment chamber 11, an emergency exhaust port 111 is arranged at the side end of the treatment chamber 11, a fixed exhaust port 112 is arranged above the treatment chamber 11, an inner kiln body 12 is arranged in the rotary kiln body 1 in a covering manner, a detection device 5 is arranged on the fixed exhaust port 112 and the emergency exhaust port 111, a flue gas treatment device 6 is arranged inside the treatment chamber 11, a flue gas recovery device 7 is arranged above the rotary kiln body 1, a flue gas conveying hole groove 21 is arranged at the side end of the flue gas outlet chamber 2, the flue gas conveying hole groove 21 is connected with the flue gas outlet device 4, the flue gas outlet device 4 comprises a gas conveying pipeline 41 and an electromagnetic valve 42, the electromagnetic valve 42 is installed on the gas conveying pipeline 41, the hot gas in the smoke outlet chamber 2 is used for preheating the material falling from the feed inlet 3, the material is effectively pretreated, and the material processing efficiency is improved, the smoke treatment device 6 comprises a treatment box body 61, a water tank 62, an air inlet pipe 63, a filter screen 64, a spraying device 65 and a dehumidifying cavity 66, the water tank 62 is arranged at the bottom end of the treatment box body 61, the air inlet pipe 63 is connected with the side end of the water tank 62, the filter screen 64 is arranged in the treatment box body 61 above the water tank 62, the spraying device 65 is arranged in the treatment box body 61 above the filter screen 64, the dehumidifying cavity 66 is arranged above the spraying device 65, the water tank 62 is filled with limestone water, sulfur-containing gas enters the limestone water, the contact area with the limestone water is increased, the gas and the limestone water are fully reflected, the treatment efficiency is improved, the spraying device 65 comprises a water pumping pipe 651, a water pump 652, a water conveying main pipe 653, a water spraying disc 654 and a nozzle assembly 655, the water pumping pipe 651 is connected with the water tank 62, one end of a water pumping pipe 651 is connected with a water pump 652, one end of the water pump 652 is connected with a water delivery main pipe 653, the side end of the water delivery main pipe 653 is connected with a water spray disc 654, the water spray disc 654 is arranged in the processing box body 61, a plurality of groups of spray head assemblies 655 are arranged below the water spray disc 654, limestone water sprayed out of the spray head assemblies 655 is fully contacted with gas after primary filtration, the desulfurization effect is improved, a wet desulfurization cycle is formed, the utilization efficiency is increased, the resource waste is reduced, the spray head assemblies 655 comprise a fixed seat 6551, a clamping plate 6552, a clamping groove 6553, a water receiving pipe 6554, a movable collar 6555, a clamping block 6556, a spray head cover 6557 and a guide groove 6558, the clamping plate 6552 is fixed in the fixed seat 6551, the clamping groove 6553 is arranged between the clamping plate 6552 and the fixed seat 6551, the movable collar 6555 is sleeved on the water receiving pipe 6554, two ends outside the movable collar 6555 are fixed with the clamping blocks 6556, the rear end of the water receiving pipe 6554 is connected with the spray head cover 6557, and two ends of the fixed seat 6551 are provided with guide grooves 6558, the lead-in groove 6558 is communicated with the clamping groove 6553, the size of the lead-in groove 6558 is larger than that of the clamping block 6556, the clamping block 6556 is movably inserted and connected with the lead-in groove 6558, the connection between the spray head cover 6557 and the fixed seat 6551 is more stable, the influence of water pressure on the stability of an interface is prevented, the spraying effect is prevented from being influenced, the connection position is also sealed through a movable shaft collar 6555, the pressure intensity is effectively prevented from being changed, the spraying force is ensured, the spray head cover 6557 can be disassembled through the spray head assembly 655, the spray head cover 6557 can be replaced or cleaned, the service life is prolonged, the spray head cover 6557 is prevented from being blocked, the detection device 5 comprises a sealed outer box 51, a detection probe 52, a return pipe 53 and a discharge pipe 54, the detection probe 52 is arranged in the sealed outer box 51, the discharge pipe 54 and the return pipe 53 are respectively connected with the two sides of the sealed outer box 51, control electric valves are arranged on the discharge pipe 54 and the return pipe 53, the detection probe 52 is arranged in the sealed box to detect the gas after secondary filtration, judging whether the smoke is qualified or not, strictly controlling the gas emission quality, protecting the environment from pollution, and improving the desulfurization quality, wherein the smoke recovery device 7 comprises an air outlet groove 71, a filtering dense net 72, a butt joint ventilation groove 73, a collection cover 74, a collection pipe 75 and a heat exchange assembly 78, the air outlet groove 71 is arranged on the rotary kiln body 1, the filtering dense net 72 is arranged in the air outlet groove 71, the rotary kiln body 1 is internally covered and movably sleeved with an inner kiln body 12, the butt joint ventilation groove 73 is formed in the inner kiln body 12, the collection cover 74 is arranged above the air outlet groove 71, the collection pipe 75 is arranged on the collection cover 74, the heat exchange assembly 78 is connected above the collection pipe 75, when the air outlet groove 71 is superposed with the butt joint ventilation groove 73, the smoke in the inner kiln body 12 is scattered by the butt joint ventilation groove 73, smoke impurities are filtered by the filtering dense net 72, the smoke is conveyed into the heat exchange assembly 78 by the collection pipe 75 after the smoke is collected by the collection cover 74, the collection pipe 7811 is effectively collected by the butt joint ventilation groove 73, the residual smoke in the inner kiln body 12 and the rotary kiln body 7811 is collected by the heat exchange pipe 7814, the heat exchange pipe 7816, the heat exchange pipe is effectively reduced, the heat exchange pipe is connected with the heat exchange pipe 7816, the heat exchange sleeve 7816, the heat exchange pipe is effectively reduced, and the heat exchange pipe is connected with the heat exchange sleeve 7816, and the heat exchange pipe 7816, the heat exchange pipe is effectively, the heat exchange pipe 7816, the heat exchange pipe is connected with the heat exchange sleeve 7816, and the heat exchange sleeve 7816.
Referring to fig. 11, a sealing rotation assembly 8 is further disposed between the rotary kiln body 1 and the inner kiln body 12, the sealing rotation assembly 8 includes a rotation shaft 81, a tooth groove 82, a motor 83, a docking gear 84 and a sealing assembly 85, the rotation shaft 81 is sleeved on the inner kiln body 12, the tooth groove 82 is disposed on the outer end surface of the rotation shaft 81, the docking gear 84 is sleeved on an output shaft of the motor 83, the docking gear 84 is engaged with the tooth groove 82 on the outer end surface of the rotation shaft 81, two ends of the inner kiln body 12 are sleeved in the rotary kiln body 1, the inner kiln body 12 is movably connected with the rotary kiln body 1, the sealing assembly 85 includes an inner sleeve layer 851, an outer sleeve layer 852 and an inner protrusion 853, the inner sleeve layer 851 is sleeved on the inner wall of the rotary kiln body 1, the outer sleeve layer 852 is sleeved on the outer wall of the rotary kiln body 12 in contact with the rotary kiln body 1, a group of inner protrusions 853 is disposed on the upper end of the inner sleeve layer 851, the rotary kiln body 1 and the inner kiln body 12 are hermetically connected through the inner sleeve layer 851 and the outer sleeve layer 852, the motor 83 drives the rotation shaft 12 to rotate, and the inner kiln body 12 to drive the inner sleeve to improve the sealing assembly, and collect flue gas, and the flue gas collection efficiency is improved.
In summary, in the rotary kiln lining type flue gas recycling device provided by the invention, the water tank 62 is filled with limestone water, sulfur-containing gas enters the limestone water to increase the contact area with the limestone water, so that the gas and the limestone water can be fully reflected, the processing efficiency is improved, a plurality of groups of spray nozzle assemblies 655 are arranged below the water spray disc 654, the limestone water sprayed out of the spray nozzle assemblies 655 and the gas after primary filtration can be fully contacted, the desulfurization effect is improved, a wet desulfurization cycle is formed, the utilization efficiency is improved, the resource waste is reduced, the access part is sealed through the movable collar 6555, the pressure change is effectively avoided, the spraying force is ensured, the spray nozzle cover 6557 can be detached through the spray nozzle assemblies 655, the spray nozzle cover 6557 can be replaced or cleaned, the service life is prolonged, the spray nozzle cover 6557 is prevented from being blocked, the gas after secondary filtration is detected by arranging the detection probe 52 in the sealed box body, judging whether the smoke is qualified or not, strictly controlling the gas emission quality, protecting the environment from being polluted, improving the desulfurization quality, collecting the smoke through a collecting cover 74, then conveying the smoke into a heat exchange assembly 78 through a collecting pipe 75, effectively collecting the residual smoke in the inner kiln body 12 and the rotary kiln body 1 through a butt joint vent groove 73, improving the collecting efficiency, preventing the smoke from influencing the material, effectively exchanging heat with water in a heat exchange sleeve 781 when the smoke enters a heat exchange pipe 782, improving the utilization of smoke heat, effectively saving heat energy, reducing the production cost, driving a rotating shaft 81 to rotate by a motor 83 so as to drive the inner kiln body 12 and the rotary kiln body 1 to be rotationally connected with an efficiency driving an air outlet groove 71 and the butt joint vent groove 73 to coincide, continuously carrying out indirect smoke collection, improving the collecting efficiency, and effectively sealing by arranging a sealing assembly 85 to improve the sealing performance, and the internal materials are ensured not to be leaked.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (10)
1. The utility model provides a lining formula flue gas recovery unit in rotary kiln which characterized in that: including rotary kiln body (1), the one end of rotary kiln body (1) is connected out smoke chamber (2), goes out the top installation feed inlet (3) of smoke chamber (2), the top that goes out smoke chamber (2) sets up out cigarette device (4), the other end of rotary kiln body (1) sets up treatment chamber (11), and urgent gas vent (111) are seted up to the side of treatment chamber (11), and the top of treatment chamber (11) sets up fixed gas vent (112), the cladding is provided with interior kiln body (12) in rotary kiln body (1), set up detection device (5) on fixed gas vent (112) and urgent gas vent (111), the inside of treatment chamber (11) is provided with flue gas processing apparatus (6), rotary kiln body (1) top sets up flue gas recovery unit (7).
2. The rotary kiln lining type flue gas recovery device as claimed in claim 1, wherein: the cigarette discharging device is characterized in that a cigarette conveying hole groove (21) is formed in the side end of the cigarette discharging chamber (2), the cigarette conveying hole groove (21) is connected with the cigarette discharging device (4), the cigarette discharging device (4) comprises a gas conveying pipeline (41) and an electromagnetic valve (42), and the electromagnetic valve (42) is installed on the gas conveying pipeline (41).
3. The rotary kiln lining type flue gas recovery device as claimed in claim 1, wherein: flue gas processing apparatus (6) are including handling box (61), basin (62), intake pipe (63), filter screen (64), spray set (65) and dehumidification chamber (66), and the bottom of handling box (61) is seted up in basin (62), and intake pipe (63) are connected to basin (62) side, sets up filter screen (64) in the processing box (61) of basin (62) top, sets up spray set (65) in the processing box (61) of filter screen (64) top, and spray set (65) top sets up dehumidification chamber (66).
4. The rotary kiln lining type flue gas recovery device as claimed in claim 3, wherein: spray set (65) are including drinking-water pipe (651), water pump (652), delivery manifold (653), spray disk (654) and shower nozzle subassembly (655), and drinking-water pipe (651) are connected with basin (62), and drinking-water pipe (651) one end is connected with water pump (652), and water pump (652) one end is connected with delivery manifold (653), and delivery manifold (653) side connection spray disk (654), and spray disk (654) set up in processing box (61), and the below of spray disk (654) is installed multiunit shower nozzle subassembly (655).
5. The rotary kiln lining type flue gas recovery device as claimed in claim 4, wherein: the spray head assembly (655) comprises a fixing base (6551), a clamping plate (6552), clamping grooves (6553), a water receiving pipe (6554), a movable collar (6555), clamping blocks (6556), a spray head cover (6557) and a guide groove (6558), wherein the clamping plate (6552) is fixed in the fixing base (6551), the clamping grooves (6553) are formed between the clamping plate (6552) and the fixing base (6551), the movable collar (6555) is sleeved on the water receiving pipe (6554), the clamping blocks (6556) are fixed at two outer ends of the movable collar (6555), the rear end of the water receiving pipe (6554) is connected with the spray head (6557), the guide groove (6558) is formed in two upper end faces of the fixing base (6551), the guide groove (6558) is communicated with the clamping grooves (6553), the size of the guide groove (6558) is larger than that of the clamping blocks (6556), and the clamping blocks (6556) are movably connected with the guide groove (6558) in an inserting mode.
6. The rotary kiln lining type flue gas recovery device as claimed in claim 1, wherein: the detection device (5) comprises a sealed outer box (51), a detection probe (52), a return pipe (53) and a discharge pipe (54), wherein the detection probe (52) is arranged in the sealed outer box (51), the discharge pipe (54) and the return pipe (53) are respectively connected to two sides of the sealed outer box (51), and control electrovalves are respectively arranged on the discharge pipe (54) and the return pipe (53).
7. The rotary kiln lining type flue gas recovery device as claimed in claim 1, wherein: flue gas recovery unit (7) are including going out gas groove (71), filter close net (72), butt joint air channel (73), collect cover (74), collecting pipe (75) and heat exchange assembly (78), go out gas groove (71) and set up on rotary kiln body (1), set up in going out gas groove (71) and filter close net (72), kiln body (12) in rotary kiln body (1) is wrapped the activity and cup jointed, kiln body (12) are seted up including butt joint air channel (73), go out gas groove (71) top and set up and collect cover (74), collect and install collecting pipe (75) on cover (74), heat exchange assembly (78) are connected to collecting pipe (75) top.
8. The rotary kiln lining type flue gas recovery device as claimed in claim 7, wherein: heat exchange assemblies (78) are including heat transfer sleeve pipe (781), heat exchange tube (782), inlet tube (783) and outlet pipe (784), heat exchange tube (782) have been cup jointed in heat transfer sleeve pipe (781), collecting pipe (75) upper end pierces through heat transfer sleeve pipe (781) and heat exchange tube (782) intercommunication, fill the heat transfer medium in heat transfer sleeve pipe (781), inlet tube (783) and outlet pipe (784) have been seted up respectively at the top both ends of heat transfer sleeve pipe (781), heat exchange tube (782) one end pierces through heat transfer sleeve pipe (781) and is connected with fume treatment device (6).
9. The rotary kiln lining type flue gas recovery device as claimed in claim 1, wherein: still be provided with sealed rotating component (8) between rotary kiln body (1) and interior kiln body (12), sealed rotating component (8) are including pivot (81), tooth's socket (82), motor (83), docking gear (84) and seal assembly (85), kiln body (12) including pivot (81) cup joint, the outer terminal surface of pivot (81) is provided with tooth's socket (82), cup joint docking gear (84) on the output shaft of motor (83), docking gear (84) and the outer terminal surface of pivot (81) tooth's socket (82) meshing, interior kiln body (12) both ends cup joint in rotary kiln body (1), interior kiln body (12) and rotary kiln body (1) swing joint.
10. The rotary kiln lining type flue gas recovery device as claimed in claim 9, wherein: seal assembly (85) include interior jacket layer (851), outer jacket layer (852) and interior protruding strip (853), inner jacket layer (851) cup joint on rotary kiln body (1) inner wall, outer jacket layer (852) cup joint on the outer wall of including kiln body (12) and rotary kiln body (1) contact, inner jacket layer (851) upper end is provided with a set of interior protruding strip (853), through interior jacket layer (851) and outer jacket layer (852) sealing connection between rotary kiln body (1) and interior kiln body (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211510989.1A CN115717834A (en) | 2022-11-29 | 2022-11-29 | Lining type flue gas recovery device of rotary kiln |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211510989.1A CN115717834A (en) | 2022-11-29 | 2022-11-29 | Lining type flue gas recovery device of rotary kiln |
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| CN115717834A true CN115717834A (en) | 2023-02-28 |
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| CN202211510989.1A Pending CN115717834A (en) | 2022-11-29 | 2022-11-29 | Lining type flue gas recovery device of rotary kiln |
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