CN114166018B - Prevent new forms of energy material reaction unit of exhaust gas leakage - Google Patents
Prevent new forms of energy material reaction unit of exhaust gas leakage Download PDFInfo
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- CN114166018B CN114166018B CN202111335831.0A CN202111335831A CN114166018B CN 114166018 B CN114166018 B CN 114166018B CN 202111335831 A CN202111335831 A CN 202111335831A CN 114166018 B CN114166018 B CN 114166018B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/32—Arrangement of devices for charging
- F27B7/3205—Charging
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/42—Arrangement of controlling, monitoring, alarm or like devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/001—Extraction of waste gases, collection of fumes and hoods used therefor
- F27D17/002—Details of the installations, e.g. fume conduits or seals
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0073—Seals
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a new energy material reaction device for preventing waste gas leakage, which comprises a bracket, a rotary furnace body, a heating furnace body, a driving device, an exhaust pipe, a waste gas treatment device and a negative pressure generating device, wherein the middle part of the rotary furnace body is arranged in the heating furnace body; the exhaust pipe is respectively communicated with the interior of the rotary furnace body and the input end of the waste gas treatment device; the input end of the negative pressure generating device is communicated with the output end of the waste gas treatment device; the waste gas treatment device comprises a box body, a spray head and a water tank arranged below the box body, wherein the box body is provided with a plurality of air inlets communicated with an output end, the air inlets are provided with adjusting valves capable of adjusting air inlet amount, and an air pressure sensor is arranged in an exhaust pipe or at the input end of the waste gas treatment device. The new energy material reaction device for preventing the waste gas leakage can prevent the waste gas and dust from leaking from the rotary furnace body, and has good sealing performance.
Description
Technical Field
The invention relates to a high-temperature reaction device for a new energy material, in particular to a new energy material reaction device for preventing waste gas leakage.
Background
The new energy battery generally adopts graphite as a negative electrode material. And graphite is made from coke powder at a high temperature of 3000 ℃. The coke powder is easy to generate dust and harmful gas pollution in the production and processing process, for example, waste gas and dust can be generated in the process of carrying out rotary heating on the coke powder by a rotary furnace, and the waste gas and the dust can pollute the environment and influence the health of people when being directly discharged into the surrounding air, so that the coke powder does not meet the requirement of environmental protection. Therefore, the gas of the rotary kiln is usually connected to an exhaust gas treatment device for harmless treatment. However, because the waste gas is constantly produced when the existing rotary kiln is in production, a large amount of waste gas and dust are cached in the rotary kiln, and the waste gas and dust are easily accumulated at the feed opening, so that part of the waste gas and dust can be discharged to the outside along with the feeding of materials, and in addition, the air tightness of the sealing connection part in the rotary kiln is deteriorated due to huge pressure, so that the waste gas and dust can be easily leaked by the existing new energy material reaction device, and certain influence is caused on the environment and workers.
Disclosure of Invention
The invention aims to provide a new energy material reaction device which can effectively treat waste gas and dust, prevent the waste gas and the dust from leaking from a rotary furnace body and has good sealing performance and can prevent the waste gas from leaking.
In order to achieve the purpose, the new energy material reaction device capable of preventing waste gas leakage comprises a support, a rotary furnace body, a heating furnace body, a driving device, an exhaust pipe, a waste gas treatment device and a negative pressure generating device, wherein the heating furnace body is fixed on the support, the middle part of the rotary furnace body is arranged in the heating furnace body, two ends of the rotary furnace body extend out of the heating furnace body, the driving device drives the rotary furnace body to rotate, one end of the rotary furnace body is provided with a feeding end, the other end of the rotary furnace body, far away from the feeding end, is provided with a discharging end, and the exhaust pipe is respectively communicated with the inside of the rotary furnace body and the input end of the waste gas treatment device; the input end of the negative pressure generating device is communicated with the output end of the waste gas treatment device; the waste gas treatment device comprises a box body, a spray head and a water tank arranged below the box body, wherein the box body is provided with a plurality of air inlets communicated with the output end, and the air inlets are provided with adjusting valves capable of adjusting air inlet amount; an air pressure sensor is arranged in the exhaust pipe or at the input end of the waste gas treatment device; the box be equipped with interior cavity that the water tank is linked together, the shower nozzle set up in interior cavity, the water tank is equipped with ascending opening, the opening is located the outside of box one side, the opening with be equipped with first baffle between the interior cavity, first baffle downwardly extending to in the water tank and its tip submergence under the surface of water, so that the opening with interior cavity mutual isolation.
Compared with the prior art, the negative pressure generating device is arranged at the output end of the waste gas treatment device, the gas inlet is arranged on the box body of the waste gas treatment device, the regulating valve is arranged at the gas inlet, and the air pressure sensor is arranged in the exhaust pipe or at the input end of the waste gas treatment device; therefore, the air pressure in the rotary furnace body can be reduced and kept stable, thereby discharging the waste gas in time, reducing the accumulation of the waste gas and the dust in the rotary furnace body and avoiding the leakage of the waste gas and the dust to the outside along with the blanking of the materials. In addition, the pressure in the rotary furnace body can be prevented from being too high, and the leakage of waste gas and dust caused by the reduction of the air tightness of the sealing part can be avoided. In addition, the water tank is arranged below the box body, and the opening of the water tank is isolated from the inner cavity of the box body by the first partition plate, so that the sediment deposited in the water tank can be salvaged at any time through the opening of the water tank.
Preferably, the new energy material reaction device for preventing the waste gas leakage further comprises a screw conveying device, and the screw conveying device is arranged at the feeding end.
Preferably, the screw conveying device comprises a screw and an outer cylinder sleeved outside the screw, and the outer cylinder hermetically extends into the rotary furnace body from the end face of the feeding end of the rotary furnace body; and a first sealing device is arranged between the screw and the outer barrel and connected to the end face of the outer barrel. The first sealing device can prevent the leakage of waste gas and dust from the first sealing device, and improve the air tightness of the rotary furnace body.
Specifically, the first sealing device comprises a seat body, a cover body, an adjusting rod and a plurality of sealing rings, wherein a cavity is formed in the seat body, one end of the cavity is provided with a bottom opening which penetrates through the outside so as to form a step with the cavity, the other end of the cavity is provided with a front opening, the cover body covers the front opening, the sealing rings are arranged in the cavity along the direction of a central shaft of the seat body, one end of the adjusting rod is rotatably connected to the cover body, and the other end of the adjusting rod is in threaded connection with the seat body so as to drive the cover body to compress the sealing rings on the step. Therefore, the sealing performance of the first sealing device can be improved by arranging and sealing the sealing rings by utilizing the plurality of sealing rings, the pressure applied to the sealing rings by the cover body can be adjusted only by adjusting the adjusting rod, the aim of adjusting the sealing performance of the sealing rings is fulfilled, the sealing performance is very good, and the leakage of waste gas and dust is effectively prevented.
Specifically, the lid has clamping ring and adjustable ring, the clamping ring stretches into in the cavity of pedestal, the adjustable ring is located the outside of pedestal, adjust the pole set up in on the adjustable ring. The adjustable ring can be convenient for adjust the pole with the connection of lid, and the clamping ring can make again each department atress of sealing ring is parallel, thereby will the sealing ring is crowded more evenly, effectively guarantees the sealing performance of sealing ring.
Specifically, the end face of one end of the outer barrel is provided with a mounting hole penetrating through the inside and the outside of the outer barrel, the seat body is sleeved in the mounting hole, and the seat body is detachably and fixedly connected with the end face of the outer barrel through a connecting screw.
Specifically, the outer side wall of the seat body hermetically abuts against the inner wall of the mounting hole through a sealing ring, a positioning groove is formed in the outer side wall of the seat body, and the sealing ring is positioned in the positioning groove. Through setting up the constant head tank can prevent the sealing washer takes place to shift, guarantees the pedestal with sealing performance between the urceolus.
Preferably, the inner cavity is provided with a spraying cavity, and the spray head is positioned on the upper wall of the spraying cavity; a second partition plate extends downwards from the upper wall of the box body at the front side of the spraying cavity, an air inlet channel is formed between the second partition plate and the wall surface of the box body, and a first passageway communicated with the air inlet channel and the spraying cavity is formed between the second partition plate and the water surface of the water tank. The first passageway is arranged, so that waste gas can be fully contacted with the water surface of the water tank after passing through the air inlet channel, the waste gas can be fully cooled, and part of smoke dust is contacted with the water surface in advance and attached to the water surface, so that the treatment effect of the waste gas is improved.
Specifically, a third partition plate extends downwards from the upper wall of the box body at the rear side of the spraying cavity, an exhaust passage is formed between the third partition plate and the wall surface of the box body, and a second passage for communicating the exhaust passage and the spraying cavity is formed between the third partition plate and the water surface of the water tank. The second passageway is arranged, so that the waste gas can further contact with the water surface of the water tank after passing through the exhaust passage, the waste gas can be further cooled, and the smoke dust still remaining in the waste gas can be further contained in the water, so that the treatment effect of the waste gas is improved.
Specifically, the waste gas treatment device further comprises a circulating water supply system, and the circulating water supply system is connected between the water tank and the spray head.
Drawings
Fig. 1 is a side view of the reaction device of a new energy material for preventing exhaust gas leakage according to the present invention.
Fig. 2 is a perspective view of the new energy material reaction device for preventing the leakage of exhaust gas according to the present invention.
Fig. 3 is a sectional view of the reaction device for new energy materials for preventing exhaust gas leakage according to the present invention.
Fig. 4 is an enlarged view of a portion a in fig. 3.
Fig. 5 is an enlarged view of a portion B in fig. 3.
Fig. 6 is a structural view of a first sealing means of the reaction device for a new energy material for preventing exhaust gas leakage according to the present invention.
Fig. 7 is a perspective view of an exhaust gas treatment apparatus of the new energy material reaction apparatus for preventing exhaust gas leakage according to the present invention.
Fig. 8 is a plan view of an exhaust gas treatment device of the new energy material reaction device for preventing exhaust gas leakage according to the present invention.
FIG. 9 is a front view showing the internal structure of an exhaust gas treatment device of the reaction device for a new energy material for preventing exhaust gas leakage according to the present invention.
Fig. 10 is a side view showing the internal structure of an exhaust gas treatment device of the reaction device for a new energy material for preventing exhaust gas leakage according to the present invention.
Detailed Description
In order to explain technical contents, structural features, and effects achieved by the present invention in detail, the following detailed description is given with reference to the embodiments and the accompanying drawings.
As shown in fig. 1 to 3, the new energy material reaction apparatus 100 for preventing exhaust gas leakage of the present invention includes a support 1, a rotary furnace body 2, a heating furnace body 3, a driving device 4, an exhaust pipe 5, and an exhaust gas treatment device 6, wherein the heating furnace body 3 is fixed to the support 1, the rotary furnace body 2 is in a cylindrical structure, the middle part of the rotary furnace body 2 is disposed in the heating furnace body 3, the central axis of the rotary furnace body 2 is horizontally disposed and coaxial with the central axis of the heating furnace body 3, two ends of the rotary furnace body 2 extend out of the heating furnace body 3, and a heating device is disposed in the heating furnace body 3 to heat the rotary furnace body 2 therein. The driving device 4 is arranged on the support 1 and is positioned at one end of the rotary furnace body 2 so as to drive the rotary furnace body 2 to rotate around the central shaft of the rotary furnace body 2. One end of the rotary furnace body 2 is provided with a feeding end 2a, and the other end of the rotary furnace body 2 far away from the feeding end 2a is provided with a discharging end 2b. One end of the exhaust pipe 5 is communicated with the interior of the rotary furnace body 2; the other end of the exhaust pipe 5 is communicated with the input end of the waste gas treatment device 6.
Referring to fig. 3 and 4, specifically, the exhaust pipe 5 extends vertically and upwardly relative to the central axis of the rotary furnace body 2, a top cover 51 is disposed at the top end of the exhaust pipe 5, the top cover 51 is connected to the exhaust pipe 5 through bolts, and the top cover 51 may be a transparent glass cover so as to facilitate observation of the inside of the exhaust pipe 5. The top cover 51 may also be removable to facilitate cleaning or servicing of the exhaust pipe 5 therefrom. An exhaust port 52 is arranged at one end of the outer side of the exhaust pipe 5 close to the top cover 51, and the exhaust port 52 is communicated with the inlet of the exhaust gas treatment device 6 through a pipeline. Through with the gas vent 52 set up in the outside of blast pipe 5 for great dust particle flows in receive top cap 51 openly to block behind the blast pipe 5, thereby fall again in the rotary furnace body 2, waste gas then from the gas vent 52 smooth flow direction of side in the exhaust treatment device 6, so not only can effectively reduce the discharge of dust, reduce the loss of material, can alleviate moreover the burden of exhaust treatment device 6 reduces the manual work and overhauls the clearance the frequency of exhaust treatment device 6 improves the treatment effeciency.
As shown in fig. 2 and 3, the rotary furnace body 2 includes a rotary main body 21, a front end cover 22 and a rear end cover 23, and blades are disposed inside the rotary main body 21 to stir and push the material forward. The front end cover 22 and the rear end cover 23 are fixed on the bracket 1, and the rotating body 21 is hermetically and rotatably connected between the front end cover 22 and the rear end cover 23; sealing assemblies (not shown) are respectively arranged between the front end cover 22 and the rear end cover 23 and the rotating main body 21, and the sealing assemblies are arranged on the outer side wall of the rotating main body 21 to prevent exhaust gas and dust in the rotating main body 21 from leaking out from a gap between the front end cover and the rotating main body. The exhaust pipe 5 is arranged on the upper side of the rear end cover 22, and a feed opening 23a is formed in the lower side of the rear end cover 23. Through the design front end housing 22 and rear end housing 23 utilize front end housing 22 and rear end housing 23 are connected gyration main part 21 not only can effectively bear gyration main part 21 makes gyration main part 21 is rotatable, can make moreover the feed opening reaches blast pipe 5 conveniently with the inside intercommunication of gyration main part 21, and need not to follow gyration main part 21 rotates, makes things convenient for material loading, exhaust and unloading.
As shown in fig. 1 again, the new energy material reaction device 100 for preventing exhaust gas leakage further includes a negative pressure generating device 7, and an input end of the negative pressure generating device 7 is communicated with an output end of the exhaust gas treatment device 6. Through setting up negative pressure generating device 7, make the inside atmospheric pressure of blast pipe 5 is less than the atmospheric pressure of rotary furnace body 2, and then can make waste gas and dust flow to under the effect of atmospheric pressure difference blast pipe 5's direction, effectively avoid waste gas and dust to leak the external world along with the unloading of material. Furthermore, the exhaust gas and dust can be continuously flowed into the exhaust gas treatment device 6, thereby ensuring effective treatment of the exhaust gas and dust. In addition, the excessive pressure in the rotary kiln body 2 can be prevented, and the leakage of the exhaust gas and dust due to the reduction of the airtightness of the sealing member in the rotary kiln body 2 can be avoided. The negative pressure generating device 7 is a blower which can continuously exhaust air and can provide larger negative pressure for the waste gas treatment device 6 and the exhaust pipe 5, and the negative pressure generating device is low in cost and convenient to use and maintain.
Referring to fig. 7 to 10, the exhaust gas treatment device 6 includes a box 61, a nozzle 62 and a water tank 63 disposed below the box 61, wherein a plurality of air inlets 61a communicated with the output end are disposed at the top of the box 61, and an adjusting valve 64 for adjusting an air inlet amount is disposed at the air inlets 61 a. Because the amount of waste gas generated in the rotary furnace body 2 is unstable, and the negative pressure generating device 7 can continuously generate a negative pressure effect on the rotary furnace body 2, the suction force of the exhaust pipe 5 to dust is unstable, and the dust particles sucked out of the exhaust pipe are different in size. Therefore, through setting up adjusting valve 64, the adjustable entering of adjusting valve 64 the tolerance in the box 61 makes blast pipe 5 and rotary furnace body 2 produce stable negative pressure, and then makes blast pipe 5 department is very stable to the suction of dust to can be through adjusting the size of this suction, make the great dust of granule in blast pipe 5 can fall rotary furnace body 2 again and can not be siphoned away, effectively reduce the loss of material, reduce the manual work and overhaul the clearance exhaust treatment device 6's frequency improves the treatment effeciency. An air pressure sensor 65 is provided in the exhaust pipe 5 or at an input end of the exhaust gas treatment device 6. The air pressure sensor 65 is electrically connected to a control system, which in turn is electrically connected to the regulating valve 64. Through setting up baroceptor 65, can in time detect blast pipe 5 or the atmospheric pressure in the input of exhaust treatment device 6 to can more conveniently adjust through control system the switching degree of adjusting valve 64 fast guarantees the atmospheric pressure of blast pipe 5 department or the stability of air current. More specifically, the tank body 61 is provided with an inner cavity 61b communicated with the water tank 63, the spray heads 62 are arranged in the inner cavity 61b, and the number of the spray heads 62 is multiple and is arranged in an array manner. The water tank 63 is provided with an upward opening 63a, the opening 63a is positioned outside one side of the tank body 61, a first partition 611 is arranged between the opening 63a and the inner cavity 61b, the first partition 611 extends downwards into the water tank 63, and the end part of the first partition 611 is immersed under the water surface, so that the opening 63a and the inner cavity 61b are isolated from each other. By providing the water tank 63 under the tank body 61 and locating the opening 63a of the water tank 63 outside the side of the tank body 61, the sediment settled in the water tank 63 can be fished through the opening 63a at any time. The first partition 611 is used for isolating the opening 63a from the inner cavity 61b, so that the process of spraying and filtering the gas in the inner cavity 61b and the process of fishing the sediments from the opening 63a are not interfered with each other, therefore, the invention can clean the sediments without stopping the machine, not only can improve the treatment efficiency of waste gas, but also can facilitate workers to clean maintenance equipment, and is very convenient to operate.
As shown in fig. 9, more specifically, the inner cavity 61b has a spraying cavity 61c, and the spray head 62 is located on the upper wall of the spraying cavity 61 c; this allows the shower water sprayed from the spray head 62 to sufficiently contact the exhaust gas, and the harmful substances such as smoke and dust are effectively dissolved in the water and precipitated in the water tank 63. In addition, the air inlet 61a communicates with the inner cavity 61b to communicate with the negative pressure generating device 7 through the inner cavity 61 b. A second partition plate 612 extends downwards from the upper wall of the box body 61 at the front side of the spraying cavity 61c, an air inlet channel 61d is formed between the second partition plate 612 and the wall surface of the box body 61, an input port 61e is arranged at the top of the air inlet channel 61d, and a first passage 61f communicating the air inlet channel 61d and the spraying cavity 61c is formed between the second partition plate 612 and the water surface of the water tank 63. The first passageway 61f is arranged, so that the waste gas can fully contact with the water surface of the water tank 63 after passing through the air inlet channel 61d, the temperature of the waste gas can be fully reduced, and a part of smoke dust is in contact with the water surface in advance and is attached to the water surface, so that the treatment effect of the waste gas is improved. A third partition plate 613 extends downwards from the upper wall of the tank 61 at the rear side of the spray cavity 61c, an exhaust passage 61g is formed between the third partition plate 613 and the wall surface of the tank 61, an output port 61h is arranged at the top of the exhaust passage 61g, and a second passage 61k communicating the exhaust passage 61g and the spray cavity 61c is formed between the third partition plate 613 and the water surface of the water tank 63. The second passageway 61k is arranged, so that the waste gas can further contact with the water surface of the water tank 63 after passing through the exhaust passage 61g, the waste gas can be further cooled, and the smoke dust still remaining in the waste gas can be further contained in the water, so that the treatment effect of the waste gas is improved.
Referring to fig. 7 and 10, the exhaust gas treatment device 6 further includes a circulating water supply system 66. The circulating water supply system 66 is connected between the water tank 63 and the spray head 62. The circulating water supply system 66 is connected between the water tank 63 and the spray head 62. The circulating water supply system 66 comprises a water pump 661, a valve body 662, a filter 663 and a plurality of pipelines, wherein the input end of the water pump 661 is communicated with the filter 663 through a pipeline, the output end of the water pump 661 is communicated with the input end of the valve body 662 through a pipeline, the valve body 662 is communicated with the input end of the spray head 62, and the output end of the filter 663 is communicated with the water tank 63.
Referring to fig. 3, 4 and 5, the new energy material reaction device 100 for preventing exhaust gas leakage further includes a screw conveyor 8, the screw conveyor 8 is disposed at the feeding end 2a, and a screw 81 of the screw conveyor 8 and an outer cylinder 82 sleeved outside the screw 81 extend into the rotary furnace body 2 from the feeding end 2a and are coaxial with a central axis of the rotary furnace body 2. Specifically, the screw 81 and the outer cylinder 82 are hermetically inserted into the rotary body 21 from the front end cover 22. A first sealing device 9 is arranged between the screw 81 and a central orifice at one end of the outer cylinder 82, and the first sealing device 9 is connected to the end face of the outer cylinder 82 so as to prevent the waste gas and dust in the rotary furnace body 2 from leaking outwards from the gap at the position and improve the air tightness of the rotary furnace body 2.
As shown in fig. 5 and fig. 6, the first sealing device 9 includes a base 91, a cover 92, an adjusting rod 93, and a plurality of sealing rings 94. The base 91 has a cavity 91a therein, one end of the cavity 91a has a bottom opening 91b penetrating the outside to form a step 91e with the cavity 91a, the diameter of the bottom opening 91b is smaller than that of the cavity 91a, and the other end has a front opening 91c, the diameter of the front opening 91c is equal to that of the cavity 91 a. The lid 92 covers the front opening 91c, the lid 92 has a pressing ring 921 and an adjusting ring 922, and the pressing ring 921 extends into the cavity 91a of the base 91. The adjusting ring 922 is located outside the seat body 91. The sealing rings 94 are arranged in the cavity 91a and between the bottom opening 91b and the pressing ring 921 along the central axis direction of the base 91, in this embodiment, the number of the sealing rings 94 is four, and the materials may be the same or different. One end of the adjusting rod 93 is rotatably connected to the adjusting ring 922 of the cover 92, and the other end of the adjusting rod is in threaded connection with the base 91 to drive the pressing ring 921 so as to press the sealing ring 94 onto the step 91e. The adjusting ring 922 can be convenient for adjust the pole 93 with the lid 92 is connected, the clamping ring 921 again can make the atress everywhere of sealing ring 94 is parallel, thereby will sealing ring 94 squeezes more evenly, effectively guarantees sealing performance of sealing ring 94. And through utilizing a plurality of sealing rings 94 to arrange sealed, can improve first sealing device 9's sealing performance to only need adjust regulation pole 922 can adjust the lid 92 apply for the pressure of sealing ring 94 reaches the purpose of adjusting its leakproofness, and sealing performance is very good, prevents effectively that waste gas and dust from leaking. An end face of one end of the outer cylinder 82 has a mounting hole 82a penetrating through the inside and outside thereof, and the seat body 91 is fitted in the mounting hole 82 a. The seat 91 is detachably and fixedly connected with the end surface of the outer cylinder 82 through a connecting screw 95. More specifically, one end of the seat body 91 having the bottom opening 91b is inserted into the mounting hole 82a, and the outer side wall of the seat body 91 sealingly abuts against the inner wall of the mounting hole 82a through a seal ring 96. This makes it possible to conceal the first sealing means 9 in the end face of the outer cylinder 82. The lateral wall of pedestal 91 is equipped with constant head tank 91d, sealing washer 96 is located in constant head tank 91 d. By providing the positioning groove 91d, the seal ring 96 can be prevented from being displaced, and the sealing performance between the seat body 91 and the outer cylinder 82 can be ensured. Meanwhile, the screw 81 passes through the bottom opening 91b and protrudes from one end of the front opening 91 c. The sealing ring 94 and the pressing ring 921 are sleeved outside the screw 81. The sealing ring 94 is radially deformed under the compression of the compression ring 921 to be in sealing contact with the outer side wall of the screw 81. The sealing ring 94 can be deformed in the radial direction by providing a bottom opening 91b at one end of the seat body 91, disposing a plurality of sealing rings 94 and a pressing ring 921 in the seat body 91, and then driving the adjusting ring 922 by using the adjusting lever 93, so that the pressing ring 921 presses the sealing ring 94 to the bottom opening 91 b. Therefore, the sealing ring 94 can be in contact sealing with the outer side wall of the screw 81; the outer side wall of the seat body 91 can be connected and sealed with the inner wall of the outer cylinder 82, so that the sealing performance between the screw 81 and the outer cylinder 82 is better, and the leakage of waste gas and dust from a gap between the screw 81 and the outer cylinder 82 is avoided.
When the rotary furnace works, the rotary furnace body 2 rotates and conveys materials, and the materials react in the rotary furnace body 2 at high temperature to generate waste gas. At the same time, the negative pressure generator 7 is activated to generate negative pressure inside the inner chamber 61b, the exhaust pipe 5, and the rotary furnace body 2. Therefore, the exhaust gas flows from the interior of the rotary kiln body 2 to the exhaust pipe 5, and then flows into the exhaust gas treatment device 6 from the exhaust port 52 of the exhaust pipe 5, and when the exhaust gas is mixed with the dust in the exhaust pipe 5, the dust with larger particles rises to the top and is blocked by the top lid 51 and falls again into the rotary kiln body 2, and the exhaust gas and the dust with smaller particles are sucked out of the exhaust port 52 by suction. Then, the exhaust gas enters the intake passage 61d from the input port 61e and passes through the first passage 61f, and when passing through the first passage 61f, the exhaust gas contacts the water surface of the water tank 63 to dissipate heat, and part of the dust and harmful substances adhere to the water surface and form sediment to be deposited at the bottom of the water tank 63. At the same time, the circulating water supply system 66 is operated so that the spray head 62 sprays water mist. The exhaust gas enters the spray chamber 61c through the first passage 61f, and under the action of the water mist, the dust and the harmful substances are dissolved in the water mist and sink into the water tank 63. Then, the exhaust gas passes through the second passage 61k, and when passing through the second passage 61k, the exhaust gas contacts the water surface of the water tank 63 again to dissipate heat, and the residual dust and harmful substances adhere to the water surface and form sediment to be deposited at the bottom of the water tank 63. Finally, the exhaust gas passes through the second passage 61k, enters the exhaust passage 61g, and is discharged from the output port 61 h.
Compared with the prior art, the invention arranges the negative pressure generating device 7 at the output end of the waste gas treatment device 6, arranges the air inlet 61a on the box body 61 of the waste gas treatment device 6, arranges the adjusting valve 64 at the air inlet 61a, and arranges the air pressure sensor 65 in the exhaust pipe 5 or at the input end of the waste gas treatment device 6; therefore, the air pressure in the rotary furnace body 2 can be reduced and kept stable, thereby discharging the waste gas in time, reducing the accumulation of the waste gas and dust in the rotary furnace body and avoiding the leakage of the waste gas and dust to the outside along with the blanking of the materials. Moreover, excessive air pressure in the rotary kiln body 2 can be prevented, and leakage of exhaust gas and dust due to reduction in airtightness of the sealing member can be avoided. In addition, the water tank 63 is arranged below the box body 61, and the opening 63a of the water tank 63 is isolated from the inner cavity 61b of the box body 61 by the first partition 611, so that the sediment precipitated in the water tank 63 can be salvaged at any time through the opening 63a of the water tank 63.
The above disclosure is only a preferred embodiment of the present invention, and certainly should not be taken as limiting the scope of the present invention, which is therefore intended to cover all equivalent changes and modifications within the scope of the present invention.
Claims (7)
1. The utility model provides a prevent new forms of energy material reaction unit of exhaust gas leakage which characterized in that: the negative pressure generating device comprises a support, a rotary furnace body, a heating furnace body, a driving device, an exhaust pipe, a waste gas treatment device and a negative pressure generating device, wherein the heating furnace body is fixed on the support, the middle part of the rotary furnace body is arranged in the heating furnace body, two ends of the rotary furnace body extend out of the heating furnace body, the driving device drives the rotary furnace body to rotate, one end of the rotary furnace body is provided with a feeding end, the other end of the rotary furnace body, far away from the feeding end, is provided with a discharging end, and the exhaust pipe is respectively communicated with the inside of the rotary furnace body and the input end of the waste gas treatment device; the exhaust pipe extends vertically upwards relative to the central shaft of the rotary furnace body, a top cover is arranged at the top end of the exhaust pipe, and the top cover is connected to the exhaust pipe through a bolt;
the input end of the negative pressure generating device is communicated with the output end of the waste gas treatment device; the waste gas treatment device comprises a box body, a spray head and a water tank arranged below the box body, wherein the box body is provided with a plurality of air inlets communicated with the output end, and the air inlets are provided with regulating valves capable of regulating the air inlet amount; an air pressure sensor is arranged in the exhaust pipe or at the input end of the waste gas treatment device; the box body is provided with an inner cavity communicated with the water tank, the spray head is arranged in the inner cavity, the water tank is provided with an upward opening, the opening is positioned outside one side of the box body, a first partition plate is arranged between the opening and the inner cavity, the first partition plate extends downwards into the water tank, and the end part of the first partition plate is immersed below the water surface, so that the opening and the inner cavity are isolated from each other;
the screw conveying device is arranged at the feeding end and comprises a screw and an outer barrel sleeved outside the screw, and the outer barrel hermetically extends into the rotary furnace body from the end face of the feeding end of the rotary furnace body; a first sealing device is arranged between the screw and the outer barrel and connected to the end face of the outer barrel; the first sealing device comprises a base body, a cover body, an adjusting rod and a plurality of sealing rings, wherein a cavity is formed inside the base body, one end of the cavity is provided with a bottom opening which penetrates through the outside, so that a step is formed by the cavity, the other end of the cavity is provided with a front opening, the cover body covers the front opening, the sealing rings are arranged in the cavity along the direction of a central shaft of the base body, one end of the adjusting rod is rotatably connected with the cover body, the other end of the adjusting rod is in threaded connection with the base body to drive the cover body to compress the sealing rings on the step, and the adjusting rod is adjusted to adjust the pressure applied to the sealing rings by the cover body so as to adjust the sealing performance of the sealing rod.
2. The exhaust gas leakage prevention new energy material reaction device according to claim 1, wherein: the lid has clamping ring and adjustable ring, the clamping ring stretches into in the cavity of pedestal, the adjustable ring is located the outside of pedestal, the regulation pole set up in on the adjustable ring.
3. The exhaust gas leakage prevention new energy material reaction device according to claim 1, wherein: the end face of one end of the outer barrel is provided with a mounting hole penetrating through the inner side and the outer side of the outer barrel, the seat body is sleeved in the mounting hole, and the seat body is detachably and fixedly connected with the end face of the outer barrel through a connecting screw.
4. The new energy material reaction device for preventing the leakage of exhaust gas according to claim 3, wherein: the outer side wall of the base body is hermetically abutted against the inner wall of the mounting hole through a sealing ring, a positioning groove is formed in the outer side wall of the base body, and the sealing ring is positioned in the positioning groove.
5. The exhaust gas leakage prevention new energy material reaction device according to claim 1, wherein: the inner cavity is provided with a spraying cavity, and the spray head is positioned on the upper wall of the spraying cavity; a second partition plate extends downwards from the upper wall of the box body at the front side of the spraying cavity, an air inlet channel is formed between the second partition plate and the wall surface of the box body, and a first passageway communicated with the air inlet channel and the spraying cavity is formed between the second partition plate and the water surface of the water tank.
6. The exhaust gas leakage prevention new energy material reaction device according to claim 5, wherein: a third partition plate extends downwards from the upper wall of the box body at the rear side of the spraying cavity, an exhaust passage is formed between the third partition plate and the wall surface of the box body, and a second passage communicated with the exhaust passage and the spraying cavity is formed between the third partition plate and the water surface of the water tank.
7. The exhaust gas leakage prevention new energy material reaction device according to claim 1, wherein: the waste gas treatment device also comprises a circulating water supply system, and the circulating water supply system is connected between the water tank and the spray head.
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JP2001116460A (en) * | 1999-10-18 | 2001-04-27 | Toshiba Corp | Sealing device of rotary furnace |
CN201454322U (en) * | 2009-07-16 | 2010-05-12 | 梁义 | Desulfurizing dust remover |
CN103603955B (en) * | 2013-10-18 | 2016-01-20 | 江西稀有金属钨业控股集团有限公司 | A kind of moving seal connection device of rotary furnace |
CN107238284B (en) * | 2017-05-09 | 2023-10-03 | 华中农业大学 | Adopt apparatus for producing of rotary furnace preparation eggshell powder |
CN113357727A (en) * | 2021-05-25 | 2021-09-07 | 南京航宇实验设备科技有限公司 | Variable-frequency variable-air-volume air pressure balance system and method for laboratory waste gas treatment equipment |
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