Flue gas purification device for discharge door of internal mixer

Abstract

The utility model provides an internal mixer discharge door flue gas purification device which comprises a flue gas purification shell, an internal mixer discharge door flue gas pipe is fixedly connected to the side wall of the top of the flue gas purification shell, the internal mixer discharge door flue gas purification device further comprises a conversion structure, and the conversion structure is arranged in the internal mixer discharge door flue gas pipe and the flue gas purification shell. According to the flue gas purification device, two flue gas filters in the flue gas purification shell work alternately, while one flue gas filter is disassembled and cleaned, the other flue gas filter can continue to conduct flue gas purification work, and the overall working efficiency of the flue gas purification device is well improved; and the movable rod is fixed, so that the movable rod is conveniently and automatically fixed, and the situation that the movable rod moves to cause rotation of the plugging frame, the ventilation opening deviates from the smoke inlet pipe, and the smoke passing efficiency is affected is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of banburying machine discharge door, especially to a banburying machine discharge door flue gas purification device. BACKGROUND

[0002] Banburying machine discharge door refers to the device used for discharging mixed materials in the banburying machine. Its main function is to open the discharge door to discharge the mixed materials from the banburying chamber after the mixing process is completed through the driving of hydraulic or pneumatic system. In order to reduce the emission of dust and harmful gas and protect the working environment and the health of personnel, a flue gas purification device is usually installed on the banburying machine discharge door.

[0003] When the flue gas purification device purifies the flue gas generated in the banburying machine, the glue oil component contained in the flue gas will condense and adhere to the surface of the filter, causing the filter to be blocked. In order to better ensure the purification work of the flue gas purification device, the filter usually needs to be cleaned regularly. However, during the cleaning of the filter, the flue gas purification device needs to be stopped, so that the flue gas purification device cannot normally operate during the cleaning period, thereby affecting the working efficiency of the entire flue gas purification device. Therefore, how to better improve the overall working efficiency of the flue gas purification device is an important problem to be solved in the design of the banburying machine discharge door flue gas purification device. SUMMARY

[0004] The utility model discloses to solve the problem that the flue gas purification device cannot normally operate during the cleaning of the filter and affect the working efficiency of the entire device, and provide a banburying machine discharge door flue gas purification device.

[0005] The utility model discloses the following technical scheme to solve the above technical problem:

[0006] The utility model provides a banburying machine discharge door flue gas purification device, including the flue gas purification casing, the top side wall of flue gas purification casing is fixedly connected banburying machine discharge door flue gas pipe, still include:

[0007] Conversion structure, the conversion structure is arranged in banburying machine discharge door flue gas pipe and the flue gas purification casing,

[0008] Pull structure, the pull structure is arranged in the flue gas purification casing, the pull structure removes synchronous belt and drives the conversion structure to rotate,

[0009] Clamping fixed structure, the clamping fixed structure is arranged on the conversion structure.

[0010] Preferably, the side walls on both sides of the flue gas purification casing are fixedly connected with two air pipes, the top side wall of the flue gas purification casing is fixedly connected with two smoke inlet pipes, and the other end of the smoke inlet pipe is fixedly connected to the side walls on both sides of the banburying machine discharge door flue gas pipe.

[0011] Preferably, the front side wall of the flue gas purification shell is clamped with two closure doors, the side wall of the closure door is fixedly connected with a fixed lock catch two, the front side wall of the flue gas purification shell is fixedly connected with a fixed lock catch one, and the fixed lock catch one and the fixed lock catch two are matched with each other.

[0012] In the technical scheme, the fixed lock catch one and the fixed lock catch two are matched with each other, and the closure door can be fixed on the flue gas purification shell.

[0013] Preferably, the inner side wall of the flue gas purification shell is fixedly connected with two partition plates, the side walls of the opposite sides of the partition plate are provided with a clamping groove two, the flue gas filter is arranged between the partition plate and the inner side wall of the flue gas purification shell, and the front side wall of the flue gas purification shell is provided with two sliding through grooves.

[0014] In the technical scheme, the flue gas enters the cavity of the flue gas purification shell through the smoke inlet and the smoke inlet pipe, and the flue gas filter filters and purifies the flue gas.

[0015] Preferably, the conversion structure comprises a rotating rod, a blocking frame, a sealing pad, a smoke inlet, a rotating gear, a moving rod and a supporting rod, the rotating rod is rotatably connected to the side wall connected with the smoke pipe of the banburying machine discharge door flue gas purifier, the top of the rotating rod is fixedly connected with the blocking frame, the side wall of the blocking frame is fixedly connected with the sealing pad, the blocking frame and the sealing pad are rotatably connected in the smoke pipe of the banburying machine discharge door, the side wall of the blocking frame and the sealing pad is provided with a smoke inlet, the bottom of the rotating rod is fixedly connected with the rotating gear, the supporting rod is fixedly connected to the inner side wall of the flue gas purification shell, the moving rod is slidably connected to the supporting rod, and the moving rod is located on both sides of the rotating gear.

[0016] In the technical scheme, when the rotating gear rotates, the rotating rod rotates, and the right moving rod moves backward at the same time, the rotating rod rotates to drive the blocking frame to rotate, and the blocking frame drives the sealing pad and the smoke inlet to rotate.

[0017] Preferably, the side wall of the moving rod is provided with a clamping groove one, a rotating gear slot and an L-shaped placing groove, the rotating gear slot and the rotating gear are meshed with each other, and the smoke inlet and the smoke inlet pipe are matched with each other.

[0018] In the technical scheme, the moving rod moves to drive the rotating gear to rotate.

[0019] Preferably, the clamping fixing structure comprises a clamping block two, a sliding rod one, a fixed block and a spring two, the clamping block two is slidably connected in the placing groove, square recesses are formed in the side walls of the top and bottom of the clamping block two, the sliding rod one is fixedly connected in the square recess of the clamping block two, the fixed block is slidably connected on the sliding rod one, the fixed block is fixedly connected on the inner side wall of the placing groove, and the spring two is fixedly connected between the fixed block and the side wall of the square recess.

[0020] In the technical solution, the pushing block ascends to push the clamping block two to move outward, and the spring two is compressed, and the clamping block two is clamped into the clamping groove two.

[0021] Preferably, the clamping block two and the clamping groove two are matched with each other.

[0022] In the technical solution, the clamping block two is clamped into the clamping groove two, so that the moving rod is fixed.

[0023] Preferably, the clamping fixing structure comprises a sliding block, a spring three, a pushing block and a sliding rod two, the sliding block is slidably connected in the clamping groove one, the bottom of the sliding block is fixedly connected with the sliding rod two, the other end of the sliding rod two extends into the placing groove and is fixedly connected with the pushing block, the top side wall of the pushing block is inclined, the pushing block is slidably connected in the placing groove, and the spring three is fixedly connected between the sliding block and the side wall of the clamping groove one.

[0024] In the technical solution, the clamping block one pushes the sliding block downward, the sliding block drives the sliding rod two to descend, the spring three is compressed, the sliding rod two drives the pushing block to descend, and the pushing block no longer abuts against the clamping block two.

[0025] Preferably, the pulling structure comprises a pulling frame, a handle frame, a spring one, an extension rod and a clamping block one, the handle frame is fixedly connected on the side wall of the closed door, the spring one and the extension rod are fixedly connected on the top side wall of the handle frame, the top of the spring one and the extension rod is fixedly connected with the "L"-shaped pulling frame, the pulling frame extends into the flue gas purification shell through the sliding groove, the clamping block one is fixedly connected on the bottom side wall of the pulling frame, and the clamping block one and the clamping groove one are matched with each other.

[0026] In the technical solution, the left handle frame and the pulling frame are held at the same time, the spring one and the extension rod are compressed, the left pulling frame descends to drive the clamping block one to descend, the clamping block one is clamped into the clamping groove one on the moving rod, the handle frame is pulled, the handle frame drives the closed door and the pulling frame to move, the pulling frame drives the clamping block one to move outward, and the clamping block one is clamped in the clamping groove one to drive the moving rod to move outward.

[0027] On the basis of conforming to the common knowledge in the art, the above-mentioned various preferred conditions can be combined arbitrarily, that is, various preferred examples of the utility model are obtained.

[0028] The positive progress effect of the utility model lies in:

[0029] 1. By holding the left handle frame and pulling the frame, the clamping block is clamped into the clamping groove one on the left moving rod, the handle frame is pulled outward, the handle frame drives the closure door and the pulling frame to move, the pulling frame drives the left moving rod to move outward, the movement of the left moving rod drives the rotating gear to rotate, the rotating gear drives the plugging frame to rotate, the plugging frame drives the sealing gasket and the smoke passage to rotate, so that the smoke passage is rotated to face the right smoke inlet pipe, while the left smoke inlet pipe is plugged, at this time, the right flue gas filter works, the left flue gas filter can stop working, the left flue gas filter can be disassembled and cleaned, so that the two flue gas filters in the flue gas purification shell work alternately, while one flue gas filter is disassembled and cleaned, the other flue gas filter can continue to work, thereby improving the overall working efficiency of the flue gas purification device.

[0030] 2. When the clamping block two on the moving rod of the application faces the clamping groove two, the compressed spring three is expanded, the sliding block is pushed up, the sliding block drives the pushing block to rise through the sliding rod two, the pushing block rises and pushes the clamping block two to move outward, the spring two is compressed, the clamping block two is clamped into the corresponding clamping groove two, so that the moving rod is fixed, which can better automatically fix the moving rod and avoid the movement of the moving rod, causing the plugging frame to rotate, the ventilation opening to deviate from the smoke inlet pipe and affecting the passing efficiency of the flue gas. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 It is the overall three-dimensional structure schematic diagram of the utility model.

[0032] Figure 2 It is the overall internal structure schematic diagram of the utility model.

[0033] Figure 3 It is the overall top view internal structure schematic diagram of the utility model.

[0034] Figure 4 It is the overall Figure 1 A place local amplification structure schematic diagram of the utility model.

[0035] Figure 5 It is the overall Figure 2 B place local amplification structure schematic diagram of the utility model

[0036] EXPLANATION OF REFERENCE NUMERALS

[0037] 1, smoke purification shell; 2, mixer discharge door smoke pipe; 3, smoke inlet pipe; 4, closing door; 5, vent pipe; 6, fixed lock catch one; 7, fixed lock catch two; 8, smoke filter; 9, partition plate; 10, conversion structure; 1001, rotating rod; 1002, blocking frame; 1003, sealing pad; 1004, smoke port; 1005, rotating gear; 1006, moving rod; 1007, support rod; 1011, clamping groove one; 1012, rotating gear slot; 1013, placing groove; 11, pulling structure; 1101, pulling frame; 1102, handle frame; 1103, spring one; 1104, telescopic rod; 1105, clamping block one; 12, sliding slot; 13, clamping groove two; 14, clamping fixing structure; 1401, clamping block two; 1402, sliding rod one; 1403, fixed block; 1404, spring two; 1411, sliding block; 1412, spring three; 1413, pushing block; 1414, sliding rod two. DETAILED DESCRIPTION

[0038] The utility model is further illustrated below by way of examples, but the utility model is not limited to the scope of the examples.

[0039] As Figures 1-5 shown, a mixer discharge door smoke purification device, including smoke purification shell 1, the top side wall of smoke purification shell 1 is fixedly connected mixer discharge door smoke pipe 2, still include:

[0040] Conversion structure 10, the conversion structure 10 is arranged in mixer discharge door smoke pipe 2 and smoke purification shell 1,

[0041] Pulling structure 11, the pulling structure 11 is arranged in smoke purification shell 1, and the pulling structure 11 moves synchronous belt drive conversion structure 10 to rotate,

[0042] Clamping fixing structure 14, the clamping fixing structure 14 is arranged on conversion structure 10.

[0043] Two vent pipes 5 are fixedly connected on the side wall of the both sides of the smoke purification shell 1, two smoke inlet pipes 3 are fixedly connected on the top side wall of the smoke purification shell 1, and the other end of the smoke inlet pipe 3 is fixedly connected on the side wall of the both sides of the mixer discharge door smoke pipe 2.

[0044] Two closing doors 4 are clamped on the front side wall of the smoke purification shell 1, the side wall of the closing door 4 is fixedly connected with the fixed lock catch two 7, the front side wall of the smoke purification shell 1 is fixedly connected with the fixed lock catch one 6, and the fixed lock catch one 6 and the fixed lock catch two 7 cooperate with each other.

[0045] The fixed lock catch one 6 and the fixed lock catch two 7 are buckled with each other, so as to fix the closing door 4 on the flue gas purification shell 1.

[0046] Two partition plates 9 are fixedly connected to the inner side wall of the flue gas purification shell 1, the opposite side walls of the partition plates 9 are provided with clamping grooves two 13, the flue gas filter 8 is installed between the partition plates 9 and the inner side wall of the flue gas purification shell 1, and two sliding through grooves 12 are formed in the front side wall of the flue gas purification shell 1.

[0047] The flue gas enters the cavity of the flue gas purification shell 1 through the flue gas inlet 1004 and the flue gas inlet pipe 3, and the flue gas filter 8 filters and purifies the flue gas.

[0048] The conversion structure 10 comprises a rotating rod 1001, a blocking frame 1002, a sealing pad 1003, a flue gas inlet 1004, a rotating gear 1005, a moving rod 1006 and a supporting rod 1007, the rotating rod 1001 is rotationally connected to the side wall connected between the flue gas purifier and the flue gas pipe 2 of the banburying machine discharge door, the top of the rotating rod 1001 is fixedly connected with the blocking frame 1002, the side wall of the blocking frame 1002 is fixedly connected with the sealing pad 1003, the blocking frame 1002 and the sealing pad 1003 are rotationally connected in the flue gas pipe 2 of the banburying machine discharge door, the side wall of the blocking frame 1002 and the sealing pad 1003 is provided with the flue gas inlet 1004, the bottom of the rotating rod 1001 is fixedly connected with the rotating gear 1005, the supporting rod 1007 is fixedly connected to the inner side wall of the flue gas purification shell 1, the moving rod 1006 is slidably connected to the supporting rod 1007, and the moving rod 1006 is located on the two sides of the rotating gear 1005.

[0049] When the rotating gear 1005 rotates, the rotating rod 1001 rotates, and at the same time, the right moving rod 1006 moves backward, the rotating rod 1001 rotates to drive the blocking frame 1002 to rotate, and the blocking frame 1002 drives the sealing pad 1003 and the flue gas inlet 1004 to rotate.

[0050] The side wall of the moving rod 1006 is provided with a clamping groove one 1011, a rotating gear groove 1012 and an "L"-shaped placing groove 1013, the rotating gear groove 1012 and the rotating gear 1005 are meshed with each other, and the flue gas inlet 1004 and the flue gas inlet pipe 3 are matched with each other.

[0051] The moving rod 1006 moves to drive the rotating gear 1005 to rotate.

[0052] The clamping fixing structure 14 comprises a clamping block two 1401, a sliding rod one 1402, a fixing block 1403 and a spring two 1404, the clamping block two 1401 is slidably connected in the placing groove 1013, square recesses are formed in the side walls of the top and bottom of the clamping block two 1401, the sliding rod one 1402 is fixedly connected in the square recess of the clamping block two 1401, the fixing block 1403 is slidably connected on the sliding rod one 1402, the fixing block 1403 is fixedly connected on the inner side wall of the placing groove 1013, and the spring two 1404 is fixedly connected between the fixing block 1403 and the side wall of the square recess.

[0053] The pushing block 1413 ascends to push the clamping block two 1401 to move outward, the spring two 1404 is compressed, and the clamping block two 1401 is clamped into the clamping groove two 13.

[0054] The clamping block two 1401 and the clamping groove two 13 cooperate with each other.

[0055] The clamping block two 1401 is clamped into the clamping groove two 13, so that the moving rod 1006 is fixed.

[0056] The clamping fixing structure 14 comprises a sliding block 1411, a spring three 1412, a pushing block 1413 and a sliding rod two 1414, the sliding block 1411 is slidably connected in the clamping groove one 1011, the bottom of the sliding block 1411 is fixedly connected with the sliding rod two 1414, the other end of the sliding rod two 1414 extends into the placing groove 1013 and is fixedly connected with the pushing block 1413, the top side wall of the pushing block 1413 is inclined, the pushing block 1413 is slidably connected in the placing groove 1013, and the spring three 1412 is fixedly connected between the sliding block 1411 and the side wall of the clamping groove one 1011.

[0057] The clamping block one 1105 pushes the sliding block 1411 downward, the sliding block 1411 drives the sliding rod two 1414 to descend, the spring three 1412 is compressed, the sliding rod two 1414 drives the pushing block 1413 to descend, and the pushing block 1413 no longer abuts against the clamping block two 1401.

[0058] The pulling structure 11 comprises a pulling frame 1101, a handle frame 1102, a spring 1103, a telescopic rod 1104 and a clamping block 1105, the handle frame 1102 is fixedly connected on the side wall of the closing door 4, the top side wall of the handle frame 1102 is fixedly connected with the spring 1103 and the telescopic rod 1104, the top of the spring 1103 and the telescopic rod 1104 is fixedly connected with the "L" type pulling frame 1101, the pulling frame 1101 extends into the flue gas purification shell 1 through the sliding groove 12, the bottom side wall of the pulling frame 1101 is fixedly connected with the clamping block 1105, and the clamping block 1105 and the clamping groove 1011 are matched with each other.

[0059] Meanwhile, the left handle frame 1102 and the pulling frame 1101 are held, the spring 1103 and the telescopic rod 1104 are compressed, the left pulling frame 1101 is lowered to drive the clamping block 1105 to be lowered, the clamping block 1105 is clamped into the clamping groove 1011 on the moving rod 1006, the pulling handle frame 1102 is pulled outwards, the handle frame 1102 drives the closing door 4 and the pulling frame 1101 to move, the pulling frame 1101 drives the clamping block 1105 to move outwards, and the clamping block 1105 is clamped in the clamping groove 1011 to drive the moving rod 1006 to move outwards.

[0060] In use, the electric elements in the application are externally connected with a power supply and a control switch in use, the end of the banburying machine discharge door flue gas pipe 2 is connected to the discharge door of the banburying machine, flue gas enters the banburying machine discharge door flue gas pipe 2, passes through the smoke inlet 1004 and the smoke inlet pipe 3 and enters the cavity on the left side of the flue gas purification shell 1, the left flue gas filter 8 filters and purifies the flue gas, and the purified gas is discharged through the air pipe 5.

[0061] When the left flue gas filter 8 needs to be cleaned due to blockage, the fixed lock catch 6 and the fixed lock catch 7 are opened, meanwhile, the left handle frame 1102 and the pulling frame 1101 are held, the spring 1103 and the telescopic rod 1104 are compressed, the left pulling frame 1101 is lowered to drive the clamping block 1105 to be lowered, the clamping block 1105 is clamped into the clamping groove 1011 on the left moving rod 1006, the clamping block 1105 pushes the sliding block 1411 downwards, the sliding block 1411 drives the sliding rod 1414 to be lowered, the spring 1412 is compressed, the sliding rod 1414 drives the pushing block 1413 to be lowered, the pushing block 1413 is no longer tightly abutted against the clamping block 1401, the compressed spring 1404 is unfolded to drive the clamping block 1401 to be separated from the clamping groove 13, the clamping block 1401 is retracted into the retraction groove 1013, and the movement of the moving rod 1006 is no longer limited.

[0062] Pulling outward the handle frame 1102, the handle frame 1102 drives the closing door 4 and the pulling frame 1101 to move, the pulling frame 1101 drives the clamping block one 1105 to move outward, the clamping block one 1105 is clamped in the clamping groove one 1011 and drives the left moving rod 1006 to move outward, the left moving rod 1006 moves and drives the rotating gear 1005 to rotate, the rotating gear 1005 rotates and drives the rotating rod 1001 to rotate, at the same time, the right moving rod 1006 is driven to move backward, the rotating rod 1001 rotates and drives the blocking frame 1002 to rotate, the blocking frame 1002 drives the sealing gasket 1003 and the smoke port 1004 to rotate;

[0063] When the end of the left moving rod 1006 abuts against the side wall of the flue gas purification shell 1, the clamping block two 1401 on the right moving rod 1006 faces the right clamping groove two 13, at this time, the compressed spring three 1412 expands and pushes the sliding block 1411 to rise, the sliding block 1411 drives the pushing block 1413 to rise through the sliding rod two 1414, the pushing block 1413 rises and pushes the clamping block two 1401 to move outward, the spring two 1404 is compressed, the clamping block two 1401 is clamped into the right clamping groove two 13, so that the moving rod 1006 is fixed, and at this time, the smoke port 1004 faces the right smoke inlet pipe 3, and the left smoke inlet pipe 3 is blocked, so that the right flue gas filter 8 works, and the left flue gas filter 8 can stop working;

[0064] Then the pulling frame 1101 is loosened, the spring one 1103 pushes the pulling frame 1101 to rise and drives the clamping block one 1105 to move away from the clamping groove one 1011, the pulling frame 1101 is pulled outward again, so that the closing door 4 and the pulling frame 1101 are separated from the flue gas purification shell 1, at this time, the left flue gas filter 8 is exposed, so that the two flue gas filters 8 in the flue gas purification shell 1 can be alternately worked, one flue gas filter 8 is disassembled and cleaned, and the other flue gas filter 8 can continue to purify flue gas, and the working efficiency of the whole flue gas purification device is improved.

[0065] The utility model is not limited to the above-mentioned embodiment, no matter make any change in its shape or structure, all fall in the protection scope of the utility model. The protection scope of the utility model is defined by the appended claims, and those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the utility model, but these changes and modifications all fall into the protection scope of the utility model.

Claims

1. A smoke purifying device for an internal mixer discharge gate, comprising a smoke purifying shell (1), a smoke pipe (2) for the internal mixer discharge gate is fixedly connected on the top side wall of the smoke purifying shell (1), characterized in that, Also include: The conversion structure (10) is arranged in the smoke pipe (2) and the smoke purification shell (1); Pull structure (11), the pull structure (11) is arranged in the smoke purification shell (1), the pull structure (11) moves synchronously and drives the conversion structure (10) to rotate; The clamping fixing structure (14) is arranged on the conversion structure (10).

2. The internal mixer door fume scrubbing apparatus of claim 1 wherein: The two air pipes (5) are fixedly connected on the side walls of the smoke purification shell (1), the two smoke inlet pipes (3) are fixedly connected on the top side wall of the smoke purification shell (1), and the other end of the smoke inlet pipe (3) is fixedly connected on the side walls of the smoke pipe (2) of the discharge door of the internal mixer.

3. The internal mixer door fume scrubbing apparatus of claim 1 wherein: The two closure doors (4) are clamped on the front side wall of the smoke purification shell (1), the fixed lock catch two (7) is fixedly connected on the side wall of the closure door (4), the fixed lock catch one (6) is fixedly connected on the front side wall of the smoke purification shell (1), and the fixed lock catch one (6) and the fixed lock catch two (7) are matched with each other.

4. The smoke purifying device for the banburying off gate according to claim 1, wherein: The two partition plates (9) are fixedly connected on the inner side wall of the smoke purification shell (1), the clamping grooves two (13) are formed on the opposite side walls of the partition plate (9), the smoke filter (8) is arranged between the partition plate (9) and the inner side wall of the smoke purification shell (1), and the two sliding grooves (12) are formed on the front side wall of the smoke purification shell (1).

5. The smoke purifying device for the banburying off gate according to claim 1, characterized in that: The conversion structure (10) comprises a rotating rod (1001), a blocking frame (1002), a sealing gasket (1003), a smoke inlet (1004), a rotating gear (1005), a moving rod (1006) and a supporting rod (1007), the rotating rod (1001) is rotatably connected on the side wall connected between the smoke purifier and the smoke pipe (2) of the discharge door of the internal mixer, the top of the rotating rod (1001) is fixedly connected with the blocking frame (1002), the side wall of the blocking frame (1002) is fixedly connected with the sealing gasket (1003), the blocking frame (1002) and the sealing gasket (1003) are rotatably connected in the smoke pipe (2) of the discharge door of the internal mixer, the side wall of the blocking frame (1002) and the sealing gasket (1003) is provided with the smoke inlet (1004), the bottom of the rotating rod (1001) is fixedly connected with the rotating gear (1005), the supporting rod (1007) is fixedly connected on the inner side wall of the smoke purification shell (1), the moving rod (1006) is slidably connected on the supporting rod (1007), and the moving rod (1006) is located on the two sides of the rotating gear (1005).

6. The internal mixer dump door fume scrubbing device of claim 5, wherein: The side wall of the moving rod (1006) is provided with a clamping groove one (1011), a rotating gear groove (1012) and an "L"-shaped placing groove (1013), the rotating gear groove (1012) and the rotating gear (1005) are matched with each other, and the smoke inlet (1004) and the smoke inlet pipe (3) are matched with each other.

7. The smoke purifying device for the banburying off gate according to claim 1, characterized in that: The clamping fixing structure (14) comprises a clamping block two (1401), a sliding rod one (1402), a fixed block (1403) and a spring two (1404), the clamping block two (1401) is slidably connected in the placing groove (1013), square recesses are formed in the side walls of the top and bottom of the clamping block two (1401), the sliding rod one (1402) is fixedly connected in the square recess of the clamping block two (1401), the fixed block (1403) is slidably connected on the sliding rod one (1402), the fixed block (1403) is fixedly connected to the inner side wall of the placing groove (1013), and the spring two (1404) is fixedly connected between the fixed block (1403) and the side wall of the square recess.

8. The internal mixer dump door fume scrubbing device of claim 7, wherein: The clamping block two (1401) and the clamping groove two (13) are matched with each other.

9. The smoke purifying device for the banburying off gate according to claim 1, characterized in that: The clamping fixing structure (14) comprises a sliding block (1411), a spring three (1412), a pushing block (1413) and a sliding rod two (1414), the sliding block (1411) is slidably connected in the clamping groove one (1011), the bottom of the sliding block (1411) is fixedly connected with the sliding rod two (1414), the other end of the sliding rod two (1414) extends into the placing groove (1013) and is fixedly connected with the pushing block (1413), the top side wall of the pushing block (1413) is inclinedly arranged, the pushing block (1413) is slidably connected in the placing groove (1013), and the spring three (1412) is fixedly connected between the sliding block (1411) and the side wall of the clamping groove one (1011).

10. The internal mixer dump door fume scrubbing device of claim 1 wherein: The pulling structure (11) comprises a pulling frame (1101), a handle frame (1102), a spring one (1103), an extension rod (1104) and a clamping block one (1105), the handle frame (1102) is fixedly connected to the side wall of the closed door (4), the spring one (1103) and the extension rod (1104) are fixedly connected to the top side wall of the handle frame (1102), the spring one (1103) and the extension rod (1104) are fixedly connected with the "L"-shaped pulling frame (1101) at the top, the pulling frame (1101) penetrates through the sliding groove (12) and extends into the flue gas purification shell (1), and the clamping block one (1105) is fixedly connected to the bottom side wall of the pulling frame (1101). The clamping block one (1105) is matched with the clamping groove one (1011).

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