CN218593634U - Waste gas discharging device - Google Patents

Abstract

The utility model relates to a waste gas discharging device, which comprises a frame, set up the feed cylinder in the frame, two rotate locate screw rod in the feed cylinder and communicate in the loading hopper of feed cylinder, the feed cylinder is kept away from the loading hopper seted up the extrusion mouth, the gas vent has been seted up on the feed cylinder, gas vent department intercommunication has solid fixed cylinder, be equipped with the subassembly that compresses tightly that is used for preventing the interior mixed raw materials outflow gas vent of feed cylinder in the solid fixed cylinder, the cover is equipped with the urceolus on the feed cylinder, middle cavity has been seted up in the urceolus, gu be equipped with the gas outlet on the urceolus, gas outlet department intercommunication has the connecting pipe, it is indoor that the connecting pipe is kept away from the one end of gas outlet and stretch into middle cavity through the air inlet, be provided with on the urceolus and be used for carrying out the seal assembly that seals up connecting pipe and gas outlet and connecting pipe and the intercommunication department of air inlet, still be equipped with exhaust emission port on the urceolus, exhaust emission intercommunication has exhaust-treating mechanism. This application has the heat make full use of in the waste gas, and the waste gas of emission department is difficult for causing the effect of harm to the human body.

Description

Waste gas discharging device

Technical Field

The utility model belongs to the technical field of the extruder technique and specifically relates to a waste gas discharging device is related to.

Background

The master batch is a granular material prepared by mixing and milling various required additives, fillers and a small amount of carrier resin in the plastic processing and forming process for convenience in operation, and performing the processing processes of metering, mixing, melting, extruding, granulating and the like by using equipment such as an extruder, and is called master batch. The double-screw extruder has the characteristics of good feeding performance, mixing plasticizing performance, exhaust performance, extrusion stability and the like, and is widely applied to the production and processing of master batches.

In the correlation technique, the double screw extruder mainly includes the frame and sets up the feed cylinder in the frame, and the both ends of feed cylinder are provided with the feed inlet respectively and extrude the mouth, and feed inlet department intercommunication has the loading hopper that is used for adding the raw materials in to the feed cylinder, is provided with two intermeshing's screw rod in the feed cylinder, and extrudes after two screw rod cooperations carry the hopper of feed inlet department to extruding the mouth. The charging barrel is also internally provided with a heating component for heating the raw materials in the charging barrel, so that the raw materials in the charging barrel are in a high-temperature molten state, and the raw materials are more fully mixed. Since a large amount of exhaust gas is often generated during the operation of the twin-screw extruder, in order to discharge the exhaust gas from the barrel, an exhaust pipe is usually provided in the barrel, and the exhaust gas is discharged by a suction pump.

However, the twin-screw extruder in the related art usually directly discharges the waste gas into the air, which causes pollution to the surrounding environment, and the toxic substances in the waste gas directly affect the life safety of the operators, and meanwhile, the twin-screw extruder generates a large amount of heat in the rotary extrusion process, and the heat is discharged along with the waste gas, so that the heat in the waste gas is not utilized, and resource waste is caused.

SUMMERY OF THE UTILITY MODEL

In order to improve the twin-screw extruder among the correlation technique in the in-process of producing the master batch directly with exhaust emission to the air, caused the pollution of surrounding environment, and the poisonous and object experience in the waste gas causes harm to staff's health, and the direct discharge of heat in the waste gas does not utilize the heat in the waste gas simultaneously, has caused the phenomenon of the waste of resource, this application provides a waste gas discharge device.

The application provides a waste gas discharging equipment adopts following technical scheme:

the utility model provides a waste gas discharging device, includes the frame, sets up feed cylinder, two rotations in the frame and sets up in the feed cylinder in the screw rod and feed through in the loading hopper of feed cylinder, the feed cylinder is kept away from the loading hopper seted up extrusion opening, the gas vent has been seted up on the feed cylinder, gas vent department intercommunication has fixed section of thick bamboo, be provided with the subassembly that compresses tightly that is used for preventing the mixed raw materials outflow gas vent in the feed cylinder in the fixed section of thick bamboo, the cover is equipped with the urceolus on the feed cylinder, the urceolus is located between loading hopper and the fixed section of thick bamboo, middle cavity has been seted up in the urceolus, the gas outlet has been seted up on the fixed section of thick bamboo, gas vent department intercommunication has the connecting pipe, the air inlet has been seted up on the urceolus, the one end that the gas outlet was kept away from to the connecting pipe stretches into in the middle cavity through the air inlet, be provided with on the urceolus and be used for carrying out the sealed seal assembly to connecting pipe and gas outlet and connecting pipe and air inlet, waste gas vent has still seted up on the urceolus, waste gas vent intercommunication has exhaust treatment mechanism.

Through adopting above-mentioned technical scheme, the during operation at first adds the mixed raw materials of production master batch to the feed cylinder through the loading hopper, rotates through two screw rods of drive this moment to carry mixed raw materials to extrusion department from the loading hopper. Mix the stoste that will flow into in the solid fixed cylinder from the gas vent through compressing tightly the subassembly and impress in the hopper, make the mixed raw materials in the hopper can be carried to extrusion department and extrude by two screw extrusion steadily, will follow the waste gas guide that the gas vent got into in the solid fixed cylinder to seting up the middle cavity in the urceolus through the connecting pipe, make waste gas be full of whole middle cavity, thereby make waste gas can heat the outer wall of feed cylinder, and then realize the thermal make full use of in the waste gas, make the mixed raw materials in the feed cylinder mix more fully. Seal the connecting pipe and the intercommunication department of solid fixed cylinder and urceolus through seal assembly, make waste gas be difficult for spilling over from the intercommunication department of connecting pipe and solid fixed cylinder and urceolus, handle waste gas exhaust outlet through exhaust treatment mechanism simultaneously to make waste gas after exhaust treatment mechanism handles can directly discharge to the external world, and be difficult for causing harm to staff's health. Compare in the correlation technique twin-screw extruder, this application makes waste gas in the feed cylinder can get into through the connecting pipe after in the gas vent gets into fixed section of thick bamboo and get into to middle cavity in through the gas vent, makes waste gas be full of and heats the outer wall of feed cylinder behind the whole middle cavity to the temperature that makes the mixed raw materials in the feed cylinder risees, and mixed raw materials mixes better abundant promptly, and then has realized the make full use of to the heat in the waste gas. The mixed stock solution entering the fixed cylinder from the exhaust port is pressed into the charging barrel through the pressing assembly, so that the mixed stock solution can be conveyed to the extrusion port and extruded under the extrusion conveying of the two screws. Through seal assembly to connecting pipe and the intercommunication department of solid fixed cylinder and urceolus sealed, make waste gas be difficult for spilling over, avoided spilling over the condition that causes harm to staff's health because of waste gas, utilize exhaust treatment mechanism to handle exhaust gas discharge port exhaust waste gas at last, make the waste gas after handling can directly discharge to the external world, and be difficult for causing the injury to staff's health.

Preferably, compress tightly the subassembly including rotate the pivot that sets up in solid fixed cylinder, around locating epaxial helical blade and be used for driving pivot pivoted and compress tightly the motor, the length direction setting of solid fixed cylinder is followed in the pivot, just the one end of pivot is rotated and is connected in the top of solid fixed cylinder, and the other end of pivot extends to exhaust port department, helical blade sets up along the length direction of pivot, just helical blade's spiral direction is vertical downwards, it sets up on solid fixed cylinder to compress tightly the motor fixed, just the output shaft fixed connection who compresses tightly the motor in the pivot.

Through adopting above-mentioned technical scheme, rotate through compressing tightly motor drive pivot, drive helical blade and rotate, because helical blade's spiral direction is vertical downwards to make the mixed raw materials that gets into in the fixed cylinder under helical blade's effect in being impressed the feed cylinder, make the mixed raw materials in the feed cylinder can be carried to extruding opening department under the effect of two screws and extrude steadily.

Preferably, the seal assembly includes a seal groove arranged on the fixed cylinder, a first seal ring and a second seal ring sleeved on the connecting pipe, and a support member for supporting the second seal ring in the seal groove, the seal groove is located at the gas outlet, the seal groove is communicated with the gas outlet, the gas outlet is located in the seal groove, the first seal ring is supported in the communication position between the seal groove and the gas outlet, the second seal ring is located on one side of the first seal ring departing from the gas outlet, and the second seal ring is used for sealing the seal groove.

Through adopting above-mentioned technical scheme, the during operation, carry out the shutoff through first sealing washer to the intercommunication department of seal groove and gas outlet, guaranteed the gas tightness of seal groove and gas outlet department, support the second sealing washer through supporting the piece simultaneously and tightly in the seal groove, make the second sealing washer carry out the shutoff with the gap between seal groove and the connecting pipe, the second sealing washer seals the seal groove promptly to the gas tightness between connecting pipe and the gas outlet has further been improved, make waste gas be difficult for following the gas tightness between connecting pipe and the gas outlet.

Preferably, support tight piece including fixed cover locate the connection outside of tubes fixed cover, cover locate the connection outside of tubes butt ring and be used for providing the spring of elasticity to the butt ring, fixed cover sets up along the length direction of connecting pipe, the butt ring is located between fixed cover and the solid fixed cylinder, the butt ring can slide relative to the connecting pipe, just one side fixed connection in the second sealing washer of butt ring orientation solid fixed cylinder, the spring is around locating the connection outside of tubes, the spring is located fixed cover, just the one end fixed connection of spring is in fixed cover, the other end fixed connection of spring is in the butt ring.

Through adopting above-mentioned technical scheme, the during operation lasts to the butt ring through the spring and provides elasticity, makes the relative connecting pipe of butt ring slide and move towards the direction that is close to the gas outlet to make the butt ring support under the effect of spring tightly in a fixed section of thick bamboo, and then support the second sealing washer tightly in the seal groove, realize the shutoff to the gap between seal groove and the connecting pipe, guaranteed the gas tightness of the intercommunication department of connecting pipe and gas outlet, make waste gas be difficult for spilling over.

Preferably, the guide way has all been seted up to the both sides of fixed cover, the guide way sets up along the length direction of fixed cover, just the both sides of butt joint ring all are provided with and are used for sliding complex guide block with the guide way.

Through adopting above-mentioned technical scheme, the setting of guide way and guide block makes the butt ring more stable when relative connecting pipe slides, is difficult for taking place the skew to make the butt ring can support the second sealing washer tightly in the seal groove steadily.

Preferably, exhaust-gas treatment mechanism is including setting up in the exhaust-gas condensation case, exhaust-gas purification case and the waste gas adsorption tank of the bottom side of frame, be provided with in the exhaust-gas condensation case and be used for carrying out the condenser pipe that condenses to waste gas, be provided with in the exhaust-gas purification case and be used for carrying out the exhaust-gas reaction liquid of chemical reaction with the gas harmful to the human body in the waste gas, be provided with in the waste gas adsorption tank and be used for carrying out absorbent active carbon to waste gas, just the intercommunication has first communicating pipe between exhaust emission mouth and the exhaust-gas condensation case, the intercommunication has second communicating pipe between exhaust-gas condensation case and the exhaust-gas purification case, the intercommunication has third communicating pipe between exhaust-gas purification case and the waste gas adsorption tank.

Through adopting above-mentioned technical scheme, in operation, waste gas is discharged from the exhaust outlet, get into the waste gas condenser box through first communicating pipe, make the waste gas temperature who gets into in the waste gas condenser box reduce, will lead to the waste gas purification incasement through the waste gas after the waste gas condenser pipe cooling through the second communicating pipe, thereby realize purifying the harmful gas in the waste gas, even through the third through the process cooling, the waste gas after the purification leads to the waste gas adsorption tank in, realize absorbing the steam in the waste gas, thereby make from waste gas adsorption tank exhaust waste gas lower for the temperature, harmless and the gas that is dry to the human body.

Preferably, the one end that exhaust emission port was kept away from to first communicating pipe is located the bottom of waste gas condensate tank, the one end that waste gas condensate tank was kept away from to the second communicating pipe stretches into to the liquid level below of waste gas reaction liquid, the one end that waste gas purification case was kept away from to the third communicating pipe is located the bottom of waste gas adsorption tank.

Through adopting above-mentioned technical scheme, first communicating pipe is located the bottom that communicates in the waste gas condenser box, the in-process that rises to the top from the bottom of waste gas condenser box behind the messenger waste gas gets into the waste gas condenser box passes through the condenser pipe, thereby make the temperature of waste gas reduce, the second is stretched into the liquid level below of waste gas reaction liquid communicating pipe, the in-process that makes waste gas rise in waste gas reaction liquid takes place chemical reaction with waste gas reaction liquid, make the chemical reaction of waste gas with waste gas reaction liquid more abundant, the third of the same reason communicates the bottom that communicates in waste gas adsorption tank, process activated carbon when making waste gas rise, thereby adsorb the steam in the waste gas, make the waste gas through waste gas adsorption tank exhaust comparatively dry.

Preferably, a heating plate for heating the mixed raw materials in the charging barrel is arranged in the charging barrel.

Through adopting above-mentioned technical scheme, the hot plate can heat the raw materials mixture in the feed cylinder to make the raw materials mixture in the feed cylinder more even, guaranteed the shaping quality after the raw materials mixture extrudes.

In summary, the present application includes at least one of the following beneficial technical effects:

1. this application is through seting up the gas vent on the feed cylinder, makes waste gas in the feed cylinder can get into through the gas vent and get into to the middle cavity in back through the connecting pipe in getting into the fixed cylinder, makes waste gas be full of and heats the outer wall of feed cylinder behind the whole middle cavity to the temperature that makes the mixed raw materials in the feed cylinder risees, and mixed raw materials mixes better abundant promptly, and then has realized the thermal make full use of in the waste gas. The mixed stock solution entering the fixed cylinder from the exhaust port is pressed into the charging barrel through the pressing assembly, so that the mixed stock solution can be conveyed to the extrusion port and extruded under the extrusion conveying of the two screws. The connecting part of the connecting pipe, the fixed cylinder and the outer cylinder is sealed through the sealing component, so that waste gas is not easy to overflow, the situation that the body of a worker is damaged due to overflow of the waste gas is avoided, and finally, the waste gas discharged from the waste gas discharge port is treated by the waste gas treatment mechanism, so that the treated waste gas can be directly discharged to the outside and the body of the worker is not easy to be damaged;

2. this application is at the during operation, handles waste gas through waste gas condenser box, exhaust purification case and waste gas adsorption tank cooperation to the messenger is comparatively dry, little and the temperature is lower to the harm of human body from waste gas adsorption tank exhaust waste gas, has avoided leading to causing the condition of injury to the human health of work because of waste gas direct discharge to the air.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a partial sectional view of the present embodiment;

FIG. 3 is a partial display view of FIG. 2;

FIG. 4 is an enlarged view of portion A of FIG. 3;

fig. 5 is a schematic diagram for showing a fitting relationship among the exhaust gas condensation tank, the exhaust gas purification tank, and the exhaust gas adsorption tank.

Description of the reference numerals: 10. a frame; 11. a charging barrel; 12. a feed inlet; 13. a hopper; 14. an extrusion port; 15. a screw; 16. a drive motor; 17. heating plates; 20. an exhaust port; 21. a fixed cylinder; 22. a rotating shaft; 23. a helical blade; 24. a compaction motor; 25. an outer cylinder; 26. an intermediate chamber; 27. an air inlet; 28. a connecting pipe; 29. an air outlet; 30. a sealing groove; 31. a first seal ring; 32. a second seal ring; 33. fixing a sleeve; 34. a butting ring; 35. a spring; 36. a guide groove; 37. a guide block; 40. an exhaust gas discharge port; 41. an exhaust gas condenser; 411. a condenser tube; 42. an exhaust gas purification tank; 421. waste gas reaction liquid; 43. a waste gas adsorption tank; 431. activated carbon; 44. a first communication pipe; 45. a second communicating pipe; 46. and a third communication pipe.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

Referring to fig. 1 and 2, an exhaust emission device includes a frame 10 and a cartridge 11 fixedly disposed on the frame 10, in this embodiment, the frame 10 is disposed in a rectangular shape, the cartridge 11 is disposed along a length direction of the frame 10, and the cartridge 11 is disposed in a long tube shape.

A feed inlet 12 is formed in the charging barrel 11, the feed inlet 12 is communicated with a feed hopper 13, and the feed hopper 13 is used for adding a mixed raw material for producing master batches to the hopper. The charging barrel 11 is further provided with an extrusion opening 14, the extrusion opening 14 is located at one end, far away from the charging hopper 13, of the charging barrel 11, two screws 15 used for conveying the mixture at the charging opening far away to the extrusion opening 14 and extruding are arranged in the charging barrel 11 in a rotating mode, the two screws 15 are arranged along the length direction of the charging barrel 11, the two charging barrels 11 are meshed with each other, and the rotating directions of the two screws 15 are opposite. The frame 10 is further provided with a driving motor 16 for driving the two screws 15 to rotate.

A heating plate 17 for heating the mixed raw material in the barrel 11 is provided in the barrel 11, the heating plate 17 is provided along the longitudinal direction of the barrel 11, and the heating plate 17 is positioned between the feed port 12 and the extrusion port 14 of the barrel 11. In this embodiment, the number of the heating plates 17 is two, the two heating plates 17 are symmetrically arranged on two sides of the charging barrel 11, and the two heating plates 17 are matched to heat the mixed raw materials in the charging barrel 11.

Referring to fig. 2 and 3, the barrel 11 is opened with an air outlet 20, and the air outlet 20 is located at an end of the barrel 11 near the extruding outlet 14. Exhaust port 20 department intercommunication has a fixed cylinder 21, and fixed cylinder 21 is vertical setting, and fixed cylinder 21 still vertically is provided with fixed cylinder 21 for inside hollow cylindric setting, is provided with in the fixed cylinder 21 to be used for placing the mixed raw materials in the feed cylinder 11 and flows out to the subassembly that compresses tightly in the fixed cylinder 21 from exhaust port 20.

Specifically, referring to fig. 3 and 4, the compressing assembly includes a rotating shaft 22 rotatably disposed in the fixed cylinder 21, a helical blade 23 wound around the rotating shaft 22, and a compressing motor 24 for driving the rotating shaft 22 to rotate. The rotating shaft 22 is disposed along the length direction of the fixed cylinder 21, one end of the rotating shaft 22 is rotatably connected to the top end of the fixed cylinder 21, and the other end of the rotating shaft 22 extends to the communicating position between the fixed cylinder 21 and the exhaust port 20. The helical blade 23 is fixedly installed outside the rotating shaft 22, the helical blade 23 is arranged along the length direction of the rotating shaft 22, and the helical direction of the helical blade 23 is vertically downward. The pressing motor 24 is fixedly installed on the top surface of the fixed cylinder 21, and an output shaft of the pressing motor 24 is fixedly connected to the rotating shaft 22.

The outer sleeve 33 of the charging barrel 11 is provided with an outer barrel 25, the outer barrel 25 is arranged along the length direction of the charging barrel 11, and the outer sleeve is positioned between the charging hopper 13 and the fixed barrel 21. An intermediate chamber 26 for heating the charging barrel 11 is arranged in the outer barrel 25, an air outlet 29 is arranged on the fixed barrel 21, a connecting pipe 28 is communicated with the air outlet 29, an air inlet 27 is arranged on the outer barrel 25, and one end, far away from the air outlet 29, of the connecting pipe 28 extends into the intermediate chamber 26 through the air inlet 27. Through the connecting pipe 28, the setting of urceolus 25 and middle cavity 26, make waste gas in the feed cylinder 11 get into through gas outlet 29 and connecting pipe 28 get into in the middle cavity 26 behind the gas vent 20 gets into fixed section of thick bamboo 21, thereby make waste gas be full of middle cavity 26, the heat that makes waste gas carry heats the outer wall of feed cylinder 11, and then realized the make full use of to the heat in the waste gas, and heat the mixed raw materials in the feed cylinder 11 with the cooperation of hot plate 17, and the production cost is reduced.

In order to prevent the exhaust gas from overflowing from the gaps between the air outlet 29 and the connecting pipe 28 and between the air inlet 27 and the connecting pipe 28, and affecting the surrounding environment, a sealing assembly for sealing the communication between the air outlet 29 and the connecting pipe 28 and between the air inlet 27 and the connecting pipe 28 is disposed on the connecting pipe 28.

In this embodiment, the number of the sealing assemblies is two, the two sealing assemblies are respectively used for sealing the communication positions between the connecting pipe 28 and the air outlet 29 and between the connecting pipe 28 and the air inlet 27, and the two sealing assemblies are symmetrically arranged at two ends of the connecting pipe 28. For convenience of explanation, the sealing assembly disposed at the communication position of the connection pipe 28 and the air outlet 29 is taken as an example:

specifically, the sealing assembly includes a sealing groove 30 opened on the fixed cylinder 21, a first sealing ring 31 and a second sealing ring 32 sleeved on the connecting pipe 28, and a holding member for holding the second sealing ring 32 in the sealing groove 30. The sealing groove 30 is located at the air outlet 29, the sealing groove 30 is communicated with the air outlet 29, the air outlet 29 is accommodated in the sealing groove 30, the first sealing ring 31 and the second sealing ring 32 are arranged along the circumferential direction of the sealing groove 30, the first sealing ring 31 and the second sealing ring 32 are located in the sealing groove 30, the first sealing ring 31 abuts against the communicating position of the sealing groove 30 and the air outlet 29, the second sealing ring 32 is located on one side, away from the air outlet 29, of the first sealing ring 31, and the second sealing ring 32 is used for sealing the sealing groove 30.

Referring to fig. 3 and 4, the fastening member includes a fixing sleeve 33 disposed outside the connecting pipe 28, an abutting ring 34 disposed outside the connecting pipe 28, and a spring 35 for providing an elastic force to the abutting ring 34. Wherein, fixed cover 33 sets up along the length direction of connecting pipe 28, and butt ring 34 is located between fixed cover 33 and the solid fixed cylinder 21, and butt ring 34 sets up along the circumferential direction of connecting pipe 28, and butt ring 34 can slide relative to connecting pipe 28, and butt ring 34 towards one side fixed connection of solid fixed cylinder 21 in second sealing washer 32. The abutting ring 34 is more stably slid with respect to the connecting pipe 28, and is less likely to be displaced. The guide bar groove has all been seted up to the both sides of fixed cover 33, and two guide ways 36 all set up along the length direction of fixed cover 33, and the both sides of butt ring 34 all are provided with and are used for sliding complex guide block 37 with guide way 36. The spring 35 is wound around the connecting pipe 28, the spring 35 is located in the fixing sleeve 33, one end of the spring 35 is fixedly connected to the fixing sleeve 33, and the other end of the spring 35 is fixedly connected to the abutting ring 34. Continuously provide elasticity to butt ring 34 through spring 35, drive butt ring 34 and move towards the direction that is close to fixed cylinder 21 relative connecting pipe 28 under the effect of guide way 36 and guide block 37, thereby make second sealing washer 32 support tightly in seal groove 30 under the effect of butt ring 34 stably, realize the sealed to seal groove 30, cooperate first sealing washer 31 to seal the intercommunication department of seal groove 30 with gas outlet 29 simultaneously, and then the good gas tightness of the intercommunication department of connecting pipe 28 with gas outlet 29 has been guaranteed, waste gas is difficult for spilling over from the intercommunication department of connecting pipe 28 with gas outlet 29, the phenomenon of waste gas overflow and cause the influence to all ring edge borders has been avoided taking place.

Referring to fig. 3 and 5, an exhaust gas discharge port 40 is opened on the outer cylinder 25, the exhaust gas discharge port 40 is located at a bottom side of the outer cylinder 25, and the exhaust gas discharge port 40 is located at an end of the outer cylinder 25 away from the air inlet 27. The exhaust gas discharge port 40 is communicated with an exhaust gas treatment mechanism to purify gas harmful to human bodies in the exhaust gas, so that the exhaust gas discharged from the exhaust gas treatment mechanism is not easy to cause harm to human bodies.

Specifically, the exhaust gas treatment mechanism includes an exhaust gas condensation tank 41, an exhaust gas purification tank 42, and an exhaust gas adsorption tank 43 provided on the bottom side of the rack 10. Wherein, be provided with in the exhaust gas condenser box 41 and be used for carrying out condensation treatment's condenser pipe 411 to waste gas, make the temperature that gets into the waste gas in the exhaust gas condenser box 41 from exhaust gas discharge port 40 reduce, prevent because the exhaust gas temperature behind the exhaust gas treatment mechanism discharge is too high, lead to near the temperature of twin-screw 15 extruder too high to influence staff's work efficiency's the condition. An exhaust gas reaction liquid 421 for chemically reacting with a gas harmful to a human body in the exhaust gas is provided in the exhaust gas purification tank 42, and an activated carbon 431 for adsorbing water vapor in the exhaust gas is provided in the exhaust gas adsorption tank 43. Purify from exhaust gas outlet 40 exhaust waste gas through the cooperation of waste gas condenser 41, exhaust gas purification case 42 and waste gas adsorption tank 43, make through exhaust gas treatment mechanism exhaust waste gas temperature lower, comparatively dry and difficult harm that causes staff's health.

Communicate in first communicating pipe 44 between exhaust emission mouth 40 and the exhaust gas condenser box 41 to exhaust emission mouth 40 exhaust waste gas can directly get into the exhaust gas condenser box 41 through first communicating pipe 44 in, the intercommunication has second communicating pipe 45 between exhaust gas condenser box 41 and the exhaust gas purification case 42, make waste gas can purify in getting into the exhaust gas purification case 42 through second communicating pipe 45 after the exhaust gas condenser box 41 condenses, and the one end that the exhaust gas condenser box 41 was kept away from to second communicating pipe 45 inserts below the liquid level of exhaust gas reaction liquid 421. The exhaust gas purifying tank 42 is communicated with the exhaust gas adsorbing tank 43 in front of the third communicating pipe 46, so that the exhaust gas passing through the exhaust gas purifying tank 42 can enter the exhaust gas adsorbing tank 43 through the third communicating pipe 46, and one end of the third communicating pipe 46, which is far away from the exhaust gas purifying tank 42, is located at the bottom side of the exhaust gas adsorbing tank 43.

In addition, in order to ensure good air tightness of the communication between the first communication pipe 44 and the off-gas discharge port 40 and the off-gas condensation tank 41, the communication between the second communication pipe 45 and the off-gas condensation tank 41 and the off-gas purification tank 42, and the communication between the third communication pipe 46 and the off-gas purification tank 42 and the off-gas adsorption tank 43, the communication between the first communication pipe 44 and the off-gas discharge port 40 and the off-gas condensation tank 41, the communication between the second communication pipe 45 and the off-gas condensation tank 41 and the off-gas purification tank 42, and the communication between the third communication pipe 46 and the off-gas purification tank 42 and the off-gas adsorption tank 43 are provided with sealing members. The shape and structure of the sealing element are the same as those of the sealing assembly in this embodiment, and therefore, the description thereof is omitted.

The application has the implementation principle that: in operation, the mixed raw material for producing master batch is first added into the barrel 11 through the hopper 13, and at this time, the two screws 15 are driven to rotate, so that the mixed raw material is extruded and conveyed from the hopper 13 to the extrusion port 14. The rotation shaft 22 is driven to rotate by the pressing motor 24, and the helical blade 23 is driven to rotate, so that the mixed raw material flowing into the fixed cylinder 21 from the exhaust port 20 is pressed into the hopper, and the mixed raw material in the hopper can be stably extruded and conveyed to the extrusion port 14 by the two screws 15 and extruded.

The exhaust gas entering the fixed cylinder 21 from the exhaust port 20 is guided to the intermediate chamber 26 provided in the outer cylinder 25 through the connecting pipe 28, and the entire intermediate chamber 26 is filled with the exhaust gas, so that the exhaust gas can heat the outer wall of the charging cylinder 11, the heat in the exhaust gas is fully utilized, and the mixed raw materials in the charging cylinder 11 are mixed more fully. Continuously provide elasticity to butt ring 34 through spring 35, make butt ring 34 move towards the direction that is close to solid fixed cylinder 21 relative connecting pipe 28, thereby support second sealing washer 32 tightly in seal groove 30, realize the closure to seal groove 30, cooperate first sealing washer 31 to seal groove 30 and the shutoff of the intercommunication department of gas outlet 29, the intercommunication department to connecting pipe 28 and solid fixed cylinder 21 and urceolus 25 seals, make waste gas be difficult for spilling over from the intercommunication department of connecting pipe 28 and solid fixed cylinder 21 and urceolus 25, simultaneously through waste gas condenser tank 41, waste gas purification case 42 and the cooperation of waste gas adsorption tank 43 handle waste gas exhaust of exhaust outlet, thereby make waste gas after exhaust treatment mechanism handles can directly discharge to the external world, and be difficult for causing harm to staff's health.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides an exhaust emission device, includes frame (10), sets up feed cylinder (11), two rotations on frame (10) and sets up in feed cylinder (11) screw (15) and feed through in loading hopper (13) of feed cylinder (11), feed cylinder (11) are kept away from offering of loading hopper (13) and are extruded mouth (14), its characterized in that: the utility model discloses a sealing device for waste gas, including feed cylinder (11), gas vent (20) department intercommunication have a fixed section of thick bamboo (21), be provided with in the fixed section of thick bamboo (21) and be used for preventing the mixed raw materials in feed cylinder (11) from flowing out the subassembly that compresses tightly of gas vent (20), the cover is equipped with urceolus (25) on feed cylinder (11), urceolus (25) are located between loading hopper (13) and fixed section of thick bamboo (21), set up middle cavity (26) in urceolus (25), gas outlet (29) have been seted up on fixed section of thick bamboo (21), gas outlet (29) department intercommunication has connecting pipe (28), air inlet (27) have been seted up on urceolus (25), the one end that gas outlet (29) were kept away from in connecting pipe (28) stretches into middle cavity (26) through air inlet (27), be provided with on urceolus (25) and be used for carrying out the sealing assembly sealed to the intercommunication department of connecting pipe (28) and gas outlet (29) and connecting pipe (27), still seted up on urceolus (25), exhaust gas vent (40) intercommunication has the processing mechanism.

2. An exhaust gas-discharging device according to claim 1, wherein: compress tightly the subassembly including rotate pivot (22) that sets up in solid fixed cylinder (21), around locating helical blade (23) on pivot (22) and being used for driving pivot (22) pivoted and compress tightly motor (24), the length direction setting of solid fixed cylinder (21) is followed in pivot (22), just the one end of pivot (22) is rotated and is connected in the top of solid fixed cylinder (21), and the other end of pivot (22) extends to gas vent (20) department, helical blade (23) set up along the length direction of pivot (22), just the vertical downside of the spiral direction of helical blade (23), it sets up on solid fixed cylinder (21) to compress tightly motor (24), just the output shaft fixed connection who compresses tightly motor (24) is in pivot (22).

3. An exhaust gas-discharging device according to claim 1, wherein: seal assembly locates first sealing washer (31) and second sealing washer (32) on connecting pipe (28) and is used for supporting second sealing washer (32) tightly in the stay knot piece that supports in sealing washer (30) including seal groove (30), the cover that sets up on solid fixed cylinder (21), seal groove (30) are located gas outlet (29) department, seal groove (30) and gas outlet (29) intercommunication, just gas outlet (29) are located seal groove (30), first sealing washer (31) are located seal groove (30), just first sealing washer (31) are supported tightly in the intercommunication department of seal groove (30) and gas outlet (29), second sealing washer (32) are located one side that first sealing washer (31) deviate from gas outlet (29), just second sealing washer (32) are used for sealing seal groove (30).

4. An exhaust gas-discharging device according to claim 3, wherein: support tight piece including fixed cover (33) locate the outer fixed cover (33) of connecting pipe (28), overlap and locate connecting pipe (28) outer butt ring (34) and be used for providing spring (35) of elasticity to butt ring (34), fixed cover (33) set up along the length direction of connecting pipe (28), butt ring (34) are located between fixed cover (33) and fixed section of thick bamboo (21), butt ring (34) can slide relative connecting pipe (28), just butt ring (34) are towards one side fixed connection in second sealing washer (32) of fixed section of thick bamboo (21), spring (35) are around locating outside connecting pipe (28), spring (35) are located fixed cover (33), just the one end fixed connection in fixed cover (33) of spring (35), the other end fixed connection in butt ring (34) of spring (35).

5. An exhaust gas-discharging device as set forth in claim 4, wherein: guide way (36) have all been seted up to the both sides of fixed cover (33), guide way (36) set up along the length direction of fixed cover (33), just the both sides of butt ring (34) all are provided with and are used for sliding complex guide block (37) with guide way (36).

6. An exhaust gas-discharging device as set forth in claim 1, wherein: waste gas treatment mechanism is including setting up in waste gas condenser box (41), exhaust purification case (42) and waste gas adsorption tank (43) of the bottom side of frame (10), be provided with in waste gas condenser box (41) and be used for carrying out condenser pipe (411) that condense to waste gas, be provided with in the exhaust purification case (42) and be arranged in carrying out chemical reaction's waste gas reaction liquid (421) with the gas harmful to the human body in the waste gas, be provided with in the waste gas adsorption tank (43) and be used for carrying out absorbent active carbon (431) to waste gas, just the intercommunication has first communicating pipe (44) between exhaust port (40) and the exhaust gas condenser box (41), the intercommunication has second communicating pipe (45) between exhaust gas condenser box (41) and exhaust purification case (42), the intercommunication has third communicating pipe (46) between exhaust purification case (42) and the waste gas adsorption tank (43).

7. An exhaust gas-discharging device according to claim 6, wherein: one end that exhaust port (40) were kept away from in first communicating pipe (44) is located the bottom of waste gas condenser tank (41), the one end that waste gas condenser tank (41) were kept away from in second communicating pipe (45) stretches into the liquid level below to waste gas reaction liquid (421), the one end that waste gas purification case (42) were kept away from in third communicating pipe (46) is located the bottom of waste gas adsorption tank (43).

8. An exhaust gas-discharging device according to claim 1, wherein: and a heating plate (17) for heating the mixed raw materials in the charging barrel (11) is arranged in the charging barrel (11).

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