Environment-friendly waste gas treatment device for cement production
By designing an automated bag cleaning and deep purification mechanism, the problem of bag filter clogging was solved, improving cement production efficiency and environmental protection.
Patent Information
- Application Number
- CN202520123716.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-20
AI Technical Summary
In existing cement production, baghouse dust collectors are prone to clogging after prolonged use, requiring disassembly and cleaning, which increases equipment downtime and reduces work efficiency.
Design an environmentally friendly waste gas treatment device, including an installation mechanism and a connection mechanism. The device uses a motor to drive a reciprocating screw to drive a brush to clean the filter bag, combined with an air pump to blow out dust, and uses activated carbon plates and nozzles to spray a reaction solution for deep purification.
It achieves automated cleaning of the filter bags, avoids downtime, extends the service life of the filter bags, and ensures effective waste gas treatment through deep purification, thereby reducing environmental pollution.
Smart Images
Figure CN223747182U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to cement production technical field, especially, relate to a cement production is with environmental protection waste gas treatment device. BACKGROUND
[0002] Cement, also known as mortar, red dust, etc., is a kind of powder-like inorganic cementitious material, which will be solidified and hardened after mixing with water, it is usually not used alone, but is used to combine with sand, gravel (aggregate) to form mortar or concrete;The main raw material of cement is lime or calcium silicate, which can resist the erosion of fresh water or salt water after hardening, and is widely used in civil construction, water conservancy, national defense and other engineering.
[0003] At present, when the cement waste gas is treated, the cloth bag is usually used for dust removal, however, after long-term use of the cloth bag, dust will accumulate on the surface, which can easily cause the cloth bag to be blocked, the cloth bag needs to be disassembled and cleaned by the staff, and the cloth bag needs to be stopped for disassembly and cleaning, which will increase the equipment downtime and reduce the overall work efficiency. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a cement production is with environmental protection waste gas treatment device, install mechanism through setting, solveed at present for cement waste gas treatment is usually using cloth bag to remove dust, however, after long-term use of the cloth bag, dust will accumulate on the surface, which can easily cause the cloth bag to be blocked, the cloth bag needs to be disassembled and cleaned by the staff, and the cloth bag needs to be stopped for disassembly and cleaning, which will increase the equipment downtime and reduce the overall work efficiency.
[0005] To solve the above technical problems, the utility model is realized by the following technical schemes:
[0006] The utility model discloses a cement production is with environmental protection waste gas treatment device, including the mounting shell, the inner wall fixedly connected with the connecting shell of mounting shell still includes, installing mechanism, installing mechanism includes the top shell fixedly connected in the inner wall of connecting shell, the inner wall of top shell is fixedly connected with a plurality of cloth bags through support frame, the inner wall bottom of mounting shell is fixedly connected with first motor, the output of first motor is fixedly connected with reciprocating lead screw through the coupling, the top of reciprocating lead screw is rotatably connected with the inner wall top of connecting shell, the outer wall of reciprocating lead screw is provided with first slide shell, the outer wall of first slide shell is slidably connected with the inner wall of connecting shell, the inner wall of first slide shell is fixedly connected with a plurality of annular brushes, the inner wall of a plurality of annular brushes all is contacted with the outer wall of a plurality of cloth bags, the inner wall top of mounting shell is fixedly connected with the jet head, the top of top shell is fixedly connected with the air pump, the output of air pump is fixedly connected with the conveying pipe, the other end of conveying pipe extends to the inside of connecting shell, and the other end of conveying pipe is communicated with the top of jet head and is fixedly connected.
[0007] Further, the inner wall bottom of the connecting shell is slidably connected with a first collection shell, the right side of the connecting shell is communicated and fixedly connected with a first connecting pipe, and the outer wall of the first connecting pipe is fixedly connected with a first valve.
[0008] Further, the inner wall of the mounting shell is provided with a connecting mechanism, the connecting mechanism includes a fixed shell fixedly connected to the inner wall of the mounting shell, the inner wall of the fixed shell is slidably connected with a second collection shell, and the front side of the fixed shell is hingedly connected with a cover shell.
[0009] Further, the top of the fixed shell is communicated and fixedly connected with a mounting pipe, the other end of the mounting pipe is communicated with and fixedly connected to the top of the connecting shell, the rear inner wall of the fixed shell is slidably connected with a second slide shell, and the inner wall of the fixed shell is slidably connected with a filter screen.
[0010] Further, the inner wall of the fixed shell is slidably connected with an activated carbon plate, the front side of the second slide shell is fixedly connected with a spray head, the rear side of the spray head is slidably connected with the inner wall of the fixed shell, and the bottom of the spray head is communicated and fixedly connected with a folding pipe.
[0011] Further, the other end of the folding pipe is fixedly connected with a fixed pipe, the outer wall of the fixed pipe is fixedly connected with the inner wall of the fixed shell, the other end of the fixed pipe extends to the outside of the fixed shell, and the outer wall of the fixed shell is fixedly connected with a second valve.
[0012] Further, the left side of the fixed shell is communicated and fixedly connected with a second connecting pipe, the outer wall of the mounting pipe is fixedly connected with a third valve, and the rear side of the mounting shell is fixedly connected with a second motor.
[0013] Further, the output end of the second motor is fixedly connected with a rotating shaft through a shaft coupling, the rear end of the rotating shaft is fixedly connected with a rotating disc, the rear side of the rotating disc is hingedly connected with a connecting plate, and the front side of the connecting plate is hingedly connected with the rear side of the second sliding shell.
[0014] The utility model discloses have the following beneficial effects:
[0015] 1. By setting up the installation mechanism, first open the first valve, the exhaust gas is transported to the inside of the connecting shell through the first valve, then the gas is filtered and purified through the secondary processing of the installation pipe into the connecting mechanism inside, after the device is used, the first motor is started to drive the reciprocating screw rod to rotate, the reciprocating screw rod drives the first sliding shell and the annular brush to reciprocate on the inner wall of the connecting shell, and the outer wall of the plurality of cloth bags is rubbed and cleaned, then the gas in the inner wall is transported to the inside of the air jet head through the conveying pipe by starting the air pump, and the inner wall of the plurality of cloth bags is blown, and the dust is blown out from the inside of the cloth bag, the collected dust falls to the inner wall of the first collecting shell on the bottom of the installation shell, the automatic cleaning process of the cloth bag is realized through the above operation, the downtime caused by disassembly and cleaning is avoided, the working efficiency is improved, the blockage caused by dust accumulation can be prevented, and therefore the service life of the cloth bag is prolonged.
[0016] 2. By setting up the connecting mechanism, first open the first valve, the exhaust gas is transported to the inside of the connecting shell through the first valve, then the gas is filtered and purified through the secondary processing of the installation mechanism, then the gas enters the inside bottom of the fixed shell, then the second motor is started to drive the rotating shaft and the rotating disc to rotate, the rotating disc drives the connecting plate and the second sliding shell to reciprocate on the inner wall of the fixed shell with the spray head and the folding pipe, then the second valve is opened, the reaction solution is transported to the inside of the spray head through the fixed pipe and the folding pipe and sprayed forward, which makes the spray head reciprocate on the inner wall of the installation shell to spray the reaction solution on the gas, so that the reaction solution and the exhaust gas are fully contacted and reacted, then the excess reaction solution falls into the inside of the second collecting shell for collection, then the third valve is opened, and the gas after treatment is discharged, after the device is used, the cover shell is opened, and the filter screen and the activated carbon plate can be taken out and replaced, the above operation and the installation mechanism can remove the particulate impurities and adsorb harmful gases in the exhaust gas, ensure that the exhaust gas is deeply purified, the spray head is driven by the second motor to move reciprocally above to realize uniform spraying of the reaction solution, the contact area and contact time of the reaction solution and the exhaust gas are increased, the reaction efficiency is improved, harmful substances in the exhaust gas are fully treated and then discharged, the pollution to the environment is reduced, and the environmental protection requirement is met.
[0017] Of course, any product implementing the present application does not necessarily need to achieve all the advantages mentioned above simultaneously. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed for the description of the embodiments will be briefly introduced. Obviously, the drawings described below are only some of the embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.
[0019] Figure 1 It is a schematic diagram of the overall structure of the present application.
[0020] Figure 2 It is a schematic diagram of the overall structure of the present application.
[0021] Figure 3 It is a schematic diagram of the overall structure of the present application.
[0022] Figure 4 It is a schematic diagram of the overall structure of the present application.
[0023] Figure 5 It is Figure 4 It is an enlarged structure schematic diagram of A in the middle.
[0024] In the drawings, the component list represented by each number is as follows:
[0025] 1, mounting shell; 11, connecting shell; 2, mounting mechanism; 21, top shell; 22, cloth bag; 23, first motor; 24, reciprocating screw; 25, first sliding shell; 26, annular brush; 27, air jet head; 28, air pump; 29, conveying pipe; 210, first collecting shell; 211, first connecting pipe; 212, first valve; 3, connecting mechanism; 31, fixed shell; 301, second collecting shell; 32, cover shell; 33, mounting pipe; 34, second sliding shell; 35, filter screen; 36, activated carbon plate; 37, spray head; 38, folding pipe; 39, fixed pipe; 310, second valve; 311, second connecting pipe; 312, third valve; 313, second motor; 314, rotating shaft; 315, rotating disc; 316, connecting plate. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0027] Referring to Figures 1-5 As shown in the utility model discloses a cement production with environmental protection waste gas treatment device, including installation shell 1, the inner wall of installation shell 1 is fixedly connected with connecting shell 11, still including;
[0028] Mounting mechanism 2, mounting mechanism 2 including fixedly connected in the inner wall of connecting shell 11 top shell 21, the inner wall of top shell 21 is fixedly connected with a plurality of cloth bags 22 through support frame, the inner wall bottom of installation shell 1 is fixedly connected with first motor 23, the output end of first motor 23 is fixedly connected with reciprocating lead screw 24 through coupling, the top end of reciprocating lead screw 24 is rotatably connected with the inner wall top of connecting shell 11, the outer wall of reciprocating lead screw 24 is threadedly sleeved with first sliding shell 25, the outer wall of first sliding shell 25 is slidably connected with the inner wall of connecting shell 11, the inner wall of first sliding shell 25 is fixedly connected with a plurality of annular brushes 26, the inner wall of a plurality of annular brushes 26 is in contact with the outer wall of a plurality of cloth bags 22, the inner wall top of installation shell 1 is fixedly connected with jet head 27, the top of top shell 21 is fixedly connected with air pump 28, the output end of air pump 28 is fixedly connected with conveying pipe 29, the other end of conveying pipe 29 extends to the inside of connecting shell 11, the other end of conveying pipe 29 is in communication with the top of jet head 27 and is fixedly connected, open first valve 212, the waste gas is transported to the inside of connecting shell 11 through first valve 212, then the gas is filtered and purified by a plurality of cloth bags 22 for the first time, then the gas enters the inside of connecting mechanism 3 for secondary treatment through installation pipe 33, after the completion of the use of the device, first motor 23 is started, and first motor 23 drives reciprocating lead screw 24 to rotate.
[0029] The inner wall bottom of connecting shell 11 is slidably connected with first collecting shell 210, the right side of connecting shell 11 is in communication and fixedly connected with first connecting pipe 211, the outer wall of first connecting pipe 211 is fixedly connected with first valve 212, reciprocating lead screw 24 drives first sliding shell 25 and a plurality of annular brushes 26 to reciprocate on the inner wall of connecting shell 11, and the outer wall of a plurality of cloth bags 22 is rubbed and cleaned, then air pump 28 is started, and the gas in the inner wall of air pump 28 is transported to the inside of jet head 27 through conveying pipe 29 and sprayed out, so that the inner wall of a plurality of cloth bags 22 is blown, and the dust in the inside of cloth bag 22 is blown out, and the cleaned dust falls on the inner wall of first collecting shell 210 on the inner wall bottom of installation shell 1 and is collected, and the above operation realizes the automatic cleaning process of cloth bag 22, avoids the increase of downtime caused by disassembly and cleaning, improves work efficiency, can also prevent the blockage caused by dust accumulation, thereby prolonging the service life of the cloth bag.
[0030] The inner wall of the installation shell 1 is provided with a connecting mechanism 3, which comprises a fixed shell 31 fixedly connected to the inner wall of the installation shell 1, the inner wall of the fixed shell 31 being slidably connected with a second collecting shell 301, and the front side of the fixed shell 31 being hingedly connected with a cover shell 32; after use of the device, the cover shell 32 is opened, and then the filter screen 35 and the activated carbon plate 36 can be taken out and replaced.
[0031] The top of the fixed shell 31 is in communication and fixedly connected with a mounting pipe 33, the other end of the mounting pipe 33 is in communication and fixedly connected with the top of the connecting shell 11, the rear inner wall of the fixed shell 31 is slidably connected with a second sliding shell 34, and the inner wall of the fixed shell 31 is slidably connected with a filter screen 35; after opening the first valve 212, the exhaust gas is transported through the first valve 212 to the inside of the connecting shell 11 for primary filtration through the mounting mechanism 2, and then the gas enters the inside of the fixed shell 31 through the mounting pipe 33 and passes through the filter screen 35 and the activated carbon plate 36 for secondary particulate impurity filtration and harmful gas adsorption.
[0032] The inner wall of the fixed shell 31 is slidably connected with an activated carbon plate 36, the front side of the second sliding shell 34 is fixedly connected with a spray head 37, the rear side of the spray head 37 is slidably connected with the inner wall of the fixed shell 31, and the bottom of the spray head 37 is in communication and fixedly connected with a folding pipe 38; then the gas enters the inside bottom of the fixed shell 31, and then the second motor 313 is started to drive the rotating shaft 314 and the rotating disc 315 to rotate, and the rotating disc 315 drives the connecting plate 316 and the second sliding shell 34 to reciprocatingly slide up and down on the inner wall of the fixed shell 31 together with the spray head 37 and the folding pipe 38.
[0033] The other end of the folding pipe 38 is fixedly connected with a fixed pipe 39, the outer wall of the fixed pipe 39 is fixedly connected with the inner wall of the fixed shell 31, the other end of the fixed pipe 39 extends to the outside of the fixed shell 31, and the outer wall of the fixed shell 31 is fixedly connected with a second valve 310; then the second valve 310 is opened, the reaction solution is transported through the fixed pipe 39 and the folding pipe 38 to the inside of the spray head 37 and sprayed forward, which enables the spray head 37 to reciprocatingly spray the reaction solution on the gas on the inner wall of the installation shell 1 to make the reaction solution fully contact and react with the exhaust gas, and then the excess reaction solution falls into the inside of the second collecting shell 301 for collection, and then the third valve 312 is opened to discharge the gas after treatment reaction.
[0034] The left side of the fixed shell 31 is communicated and fixedly connected with the second connecting pipe 311, the outer wall of the mounting pipe 33 is fixedly connected with the third valve 312, the rear side of the mounting shell 1 is fixedly connected with the second motor 313, the second motor 313 is started, the second motor 313 drives the rotating shaft 314 and the rotating disc 315 to rotate, the rotating disc 315 drives the connecting plate 316 and the second sliding shell 34 to slide up and down on the inner wall of the fixed shell 31 with the spray head 37 and the folding pipe 38, then the second valve 310 is opened, the reaction solution is transported to the inside of the spray head 37 through the fixed pipe 39 and the folding pipe 38 and sprayed forward.
[0035] The output end of the second motor 313 is fixedly connected with the rotating shaft 314 through the shaft coupling, the rear end of the rotating shaft 314 is fixedly connected with the rotating disc 315, the rear side of the rotating disc 315 is hingedly connected with the connecting plate 316, the front side of the connecting plate 316 is hingedly connected with the rear side of the second sliding shell 34, so that the spray head 37 can reciprocate up and down on the inner wall of the mounting shell 1 to spray the reaction solution on the gas to react, so that the reaction solution fully contacts and reacts with the waste gas, then the excess reaction solution falls into the second collecting shell 301 to be collected, then the third valve 312 is opened to discharge the gas after the reaction, after the use of the device, the cover shell 32 is opened, the filter screen 35 and the activated carbon plate 36 can be taken out and replaced, through the above operation and the cooperation with the mounting mechanism 2, the particulate impurities in the waste gas can be removed and the harmful gas can be adsorbed, the waste gas is deeply purified, the second motor 313 drives the spray head 37 to reciprocate above to realize uniform spraying of the reaction solution, the contact area and the contact time of the reaction solution and the waste gas are increased, the reaction efficiency is improved, the harmful substances in the waste gas are fully treated and then discharged, the pollution to the environment is reduced, and the environmental protection requirement is met.
[0036] One specific application of the embodiment is: when using the device, open the first valve 212, and transport the exhaust gas through the first valve 212 to the inside of the connecting shell 11, and then pass through a plurality of cloth bags 22 to perform primary filtration of particulate impurities, and then the gas enters the inside of the connecting mechanism 3 through the installation pipe 33 for secondary treatment and filtration purification. After the device is used, the first motor 23 is started, the first motor 23 drives the reciprocating lead screw 24 to rotate, the reciprocating lead screw 24 drives the first sliding shell 25 and a plurality of annular brushes 26 to reciprocate on the inner wall of the connecting shell 11, and the outer wall of the plurality of cloth bags 22 is rubbed and cleaned. Then start the air pump 28, the air pump 28 transports the gas in its inner wall to the inside of the air jet head 27 through the conveying pipe 29 and sprays it out, blows the inner wall of the plurality of cloth bags 22, and blows the dust out of the inside of the cloth bag 22. The cleaned dust will fall to the inner wall of the first collecting shell 210 on the bottom of the installation shell 1 for collection. Through the above operation, the automatic cleaning process of the cloth bag 22 is realized, the downtime caused by disassembly and cleaning is avoided, the work efficiency is improved, dust accumulation caused by blockage can be prevented, and the service life of the cloth bag is prolonged.
[0037] When using the device, open the first valve 212, and transport the exhaust gas through the first valve 212 to the inside of the connecting shell 11, and then pass through the installation mechanism 2 to perform primary filtration. Then the gas enters the inside of the fixed shell 31 and passes through the filter screen 35 and the activated carbon plate 36 for secondary particulate impurity filtration and harmful gas adsorption. Then the gas enters the inside bottom of the fixed shell 31. Then start the second motor 313, the second motor 313 drives the rotating shaft 314 and the rotating disc 315 to rotate, the rotating disc 315 drives the connecting plate 316 and the second sliding shell 34 to reciprocate on the inner wall of the fixed shell 31 with the spray head 37 and the folding pipe 38. Then open the second valve 310, and transport the reaction solution through the fixed pipe 39 and the folding pipe 38 to the inside of the spray head 37 and spray it forward. This makes the spray head 37 reciprocate on the inner wall of the installation shell 1 to spray the reaction solution on the gas to react, so that the reaction solution and the exhaust gas are in full contact and reaction. Then the excess reaction solution falls into the inside of the second collecting shell 301 for collection. Then open the third valve 312 to discharge the gas after treatment. After the device is used, the cover shell 32 is opened, and the filter screen 35 and the activated carbon plate 36 can be taken out and replaced. Through the above operation and cooperation with the installation mechanism 2, the particulate impurities in the exhaust gas can be removed and the harmful gases can be adsorbed, ensuring that the exhaust gas is deeply purified. At the same time, the second motor 313 drives the spray head 37 to move reciprocally above to realize uniform spraying of the reaction solution, increase the contact area and contact time of the reaction solution and the exhaust gas, improve the reaction efficiency, ensure that the harmful substances in the exhaust gas are fully treated and then discharged, reduce the pollution to the environment, and meet the environmental protection requirements.
[0038] In the description of the specification, the description of the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0039] The preferred embodiments of the utility model disclosed above are only used for helping to explain the utility model. The preferred embodiments do not describe all the details exhaustively, and also do not limit the utility model to only the specific implementation manners described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited only by the claims and the entire scope and equivalents thereof.
Claims
1. An environmentally friendly waste gas treatment device for cement production, comprising a mounting shell (1), the inner wall of the mounting shell (1) is fixedly connected with a connecting shell (11), characterized in that: Also includes; The installation mechanism (2) includes the top shell (21) fixedly connected to the inner wall of the connecting shell (11), the inner wall of the top shell (21) is fixedly connected with a plurality of cloth bags (22) through the support frame, the inner wall bottom of the installation shell (1) is fixedly connected with the first motor (23), the output end of the first motor (23) is fixedly connected with the reciprocating lead screw (24) through the shaft coupling, the top end of the reciprocating lead screw (24) is rotatably connected with the inner wall top of the connecting shell (11), the outer wall of the reciprocating lead screw (24) is threadedly sleeved with the first sliding shell (25), the outer wall of the first sliding shell (25) is slidably connected with the inner wall of the connecting shell (11), the inner wall of the first sliding shell (25) is fixedly connected with a plurality of annular brushes (26), the inner wall of the plurality of annular brushes (26) is in contact with the outer wall of the plurality of cloth bags (22), the inner wall top of the installation shell (1) is fixedly connected with the air jet head (27), the top of the top shell (21) is fixedly connected with the air pump (28), the output end of the air pump (28) is fixedly connected with the conveying pipe (29), the other end of the conveying pipe (29) extends to the inside of the connecting shell (11), and the other end of the conveying pipe (29) is in communication and fixed connection with the top of the air jet head (27).
2. The environment-friendly waste gas treatment device for cement production according to claim 1, characterized in that, The inner wall bottom of the connecting shell (11) is slidably connected with the first collecting shell (210), and the right side of the connecting shell (11) is in communication and fixedly connected with the first connecting pipe (211). The outer wall of the first connecting pipe (211) is fixedly connected with the first valve (212).
3. The environment-friendly waste gas treatment device for cement production according to claim 2, characterized in that, The inner wall of the installation shell (1) is provided with a connecting mechanism (3), the connecting mechanism (3) includes a fixed shell (31) fixedly connected to the inner wall of the installation shell (1), the inner wall of the fixed shell (31) is slidably connected with the second collecting shell (301), and the front side of the fixed shell (31) is hingedly connected with the cover shell (32).
4. The environment-friendly waste gas treatment device for cement production according to claim 3, characterized in that, The top of the fixed shell (31) is in communication and fixedly connected with the mounting pipe (33), the other end of the mounting pipe (33) is in communication and fixedly connected with the top of the connecting shell (11), the rear inner wall of the fixed shell (31) is slidably connected with the second sliding shell (34), and the inner wall of the fixed shell (31) is slidably connected with the filter screen (35).
5. The environment-friendly waste gas treatment device for cement production according to claim 4, characterized in that, The inner wall of the fixed shell (31) is slidably connected with the activated carbon plate (36), the front side of the second sliding shell (34) is fixedly connected with the spray head (37), the rear side of the spray head (37) is slidably connected with the inner wall of the fixed shell (31), and the bottom of the spray head (37) is in communication and fixedly connected with the folding pipe (38).
6. The environment-friendly waste gas treatment device for cement production according to claim 5, characterized in that, The other end of the folding pipe (38) is fixedly connected with the fixed pipe (39), the outer wall of the fixed pipe (39) is fixedly connected with the inner wall of the fixed shell (31), the other end of the fixed pipe (39) extends to the outside of the fixed shell (31), and the outer wall of the fixed shell (31) is fixedly connected with the second valve (310).
7. The environment-friendly waste gas treatment device for cement production according to claim 6, characterized in that, The left side of the fixed shell (31) is connected and fixedly connected with a second connecting pipe (311), the outer wall of the mounting pipe (33) is fixedly connected with a third valve (312), and the rear side of the mounting shell (1) is fixedly connected with a second motor (313).
8. The environment-friendly waste gas treatment device for cement production according to claim 7, characterized in that, The output end of the second motor (313) is fixedly connected with a rotating shaft (314) through a shaft coupling, the rear end of the rotating shaft (314) is fixedly connected with a rotating disc (315), the rear side of the rotating disc (315) is hingedly connected with a connecting plate (316), and the front side of the connecting plate (316) is hingedly connected with the rear side of the second sliding shell (34).