CN112622222A - Masterbatch production is with smoke abatement device of parallel double screw extruder - Google Patents
Masterbatch production is with smoke abatement device of parallel double screw extruder Download PDFInfo
- Publication number
- CN112622222A CN112622222A CN202011318838.7A CN202011318838A CN112622222A CN 112622222 A CN112622222 A CN 112622222A CN 202011318838 A CN202011318838 A CN 202011318838A CN 112622222 A CN112622222 A CN 112622222A
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- Prior art keywords
- smoke
- absorption tower
- pipe
- exhaust
- extruder
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- 239000000779 smoke Substances 0.000 title claims abstract description 97
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 239000004594 Masterbatch (MB) Substances 0.000 title claims description 6
- 238000010521 absorption reaction Methods 0.000 claims abstract description 149
- 239000007788 liquid Substances 0.000 claims abstract description 87
- 239000004595 color masterbatch Substances 0.000 claims abstract description 13
- 238000001125 extrusion Methods 0.000 claims abstract description 11
- 238000009423 ventilation Methods 0.000 claims description 42
- 239000007921 spray Substances 0.000 claims description 18
- 238000005086 pumping Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 10
- 239000003651 drinking water Substances 0.000 claims description 4
- 235000020188 drinking water Nutrition 0.000 claims description 4
- 241000208125 Nicotiana Species 0.000 claims 2
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims 2
- 239000000126 substance Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 42
- 239000003546 flue gas Substances 0.000 description 37
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 36
- 239000000463 material Substances 0.000 description 5
- 238000003860 storage Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 239000003517 fume Substances 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/27—Cleaning; Purging; Avoiding contamination
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a smoke removing device of a parallel double-screw extruder for producing color master batches, which belongs to the technical field of extruder smoke removing devices and comprises an extruder, wherein the top of the extruder is fixedly connected with a smoke exhaust tube, the top of the extruder is fixedly connected with an extrusion ring, the outer surface of the smoke exhaust tube is sleeved with a smoke exhaust hood, a smoke exhaust channel is formed in the smoke exhaust hood, and an annular groove is formed in the bottom of the smoke exhaust hood; according to the invention, the gas pressure difference formed above the smoke exhaust tube and inside the extruder is utilized, on one hand, the smoke can be prevented from leaking indoors, on the other hand, the circulation of the smoke inside the extruder is accelerated, the work efficiency of clearing the smoke is improved, when the absorption liquid at the bottom of the absorption tower is gathered more, the smoke is firstly introduced into the gathered absorption liquid, so that the absorption liquid firstly fully absorbs harmful substances in the smoke, when the smoke floats inside the absorption tower, the sprayed absorption liquid can continuously absorb the harmful substances in the smoke, and the smoke clearing effect is better.
Description
Technical Field
The invention relates to the technical field of extruder smoke exhaust devices, in particular to a smoke exhaust device of a parallel double-screw extruder for producing color master batches.
Background
The color master batch is a plastic colorant formed by well dispersing pigment or additive and thermoplastic resin with high proportion, the selected resin has good wetting and dispersing effects on the colorant and good compatibility with a colored material, and during the processing process of the color master batch by using an extruder, the extruder heats the material at high temperature and uses a double screw to stir and extrude, and the material generates a large amount of smoke after being melted at high temperature, thereby seriously affecting the body health of workers.
The sealing performance of the smoke removing device for the extruder is poor, smoke is easy to leak, the smoke removing effect is poor, and the working efficiency is low. Therefore, the technical personnel in the field provide a masterbatch production is with smoke abatement device of parallel twin-screw extruder to solve the extruder that proposes in the above-mentioned background art and use the material in-process of twin-screw processing manufacturing masterbatch, a smoke abatement device leakproofness for the extruder is relatively poor, and the flue gas of production is revealed easily in the workshop, produces the influence to staff's health, and to the extruder of high output, the smoke abatement effect is relatively poor, and a large amount of flue gas scavenging period is longer, the lower problem of work efficiency.
Disclosure of Invention
The invention aims to provide a smoke removing device of a parallel double-screw extruder for producing color master batches, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a smoke abatement device of a parallel double-screw extruder for color masterbatch production comprises an extruder, wherein a smoke exhaust pipe is fixedly connected to the top of the extruder, an extrusion ring is fixedly connected to the top of the extruder, an exhaust hood is sleeved on the outer surface of the smoke exhaust pipe, a smoke exhaust channel is arranged inside the exhaust hood, an annular groove is arranged at the bottom of the exhaust hood, a sealing ring is arranged inside the annular groove, a ventilation device is arranged at the top of the exhaust hood, an induced duct is arranged at the top of the exhaust hood, an induced draft fan is fixedly arranged at one end of the induced duct, an exhaust pipe is fixedly arranged on one side of the induced draft fan, a smoke inlet pipe is fixedly arranged at one end of the exhaust pipe, an absorption tower is fixedly connected to the outer surface of the smoke inlet pipe, one end of the smoke inlet pipe extends to the inside of the absorption tower, and a rectangular block is fixedly connected to, and smoke exhaust holes are formed in the bottoms of the rectangular blocks.
As a further scheme of the invention: the top fixedly connected with high-pressure pump of absorption tower, the top fixedly connected with liquid suction pipe of high-pressure pump, the bottom of high-pressure pump is provided with the fluid-discharge tube, and the liquid storage pot is connected to the liquid suction pipe, and the inside of liquid storage pot is provided with the alkali lye of absorption flue gas, and the during operation of high-pressure pump, accessible liquid suction pipe is with the inside of absorption liquid suction to the inside of high-pressure pump, and through the inside of fluid-discharge tube gathering at the absorption tower.
As a still further scheme of the invention: the liquid discharge pipe extends to the inside of the absorption tower, one end of the liquid discharge pipe is fixedly connected with a shunting block, the bottom of the shunting block is fixedly connected with a spray head, the shunting block is rectangular, the shunting block is horizontally arranged, and absorption liquid can enter the inside of the spray head through the shunting block.
As a still further scheme of the invention: the quantity of shower nozzle is ten, the orifice has been seted up to the surface of shower nozzle, and under the effect of high-pressure pump, the orifice that absorption liquid passes through the shower nozzle lasts the blowout, and spun absorption liquid is vaporific, distribution that can be even is in the inside of absorption tower to make flue gas and absorption liquid intensive mixing, and fall into the bottom of absorption tower.
As a still further scheme of the invention: one side fixed mounting of absorption tower has the suction pump, one side fixedly connected with drinking-water pipe of suction pump, just the drinking-water pipe extends to the inside of absorption tower, and the opposite side of suction pump is connected with the drain pipe, and the one end of drain pipe is provided with the water catch bowl, and when the absorption liquid gathering of absorption tower bottom was more, in order to prevent absorption liquid overflow absorption tower, can open the suction pump, takes out the inside absorption liquid of absorption tower and carries the centralized processing to the water catch bowl in through the drain pipe.
As a still further scheme of the invention: the exhaust port has been seted up to one side of absorption tower, one side fixed mounting of absorption tower has exhaust case, exhaust case's inside is provided with the exhaust fan, one side of exhaust case is provided with the filter screen, starts the exhaust fan, can pass through the exhaust fan with the flue gas after filtering and discharge, through setting up the filter screen, can prevent that the great material of outside volume from entering into the inside of absorption tower through exhaust case.
As a still further scheme of the invention: the inner wall fixed mounting of absorption tower has first level sensor, one side fixed mounting of absorption tower has second level sensor, the top of exhaust pipe is provided with the control valve, the top of absorption tower is provided with the manometer, and first level sensor's height is less than the height of discharging fume the pipe, and before the water level of absorption liquid rose to the inside of first sensor bottom the absorption tower, the suction pump was in the off-state, prevents that the exhaust flue gas of discharging fume pipe from passing through the suction pump and discharges, and when the water pump of absorption liquid reached second level sensor's position bottom the absorption tower, the suction pump can be started and the absorption liquid is discharged, avoids the absorption liquid to overflow the absorption tower.
As a still further scheme of the invention: the ventilation device comprises a ventilation block, a first ventilation pipe is arranged at the top of the ventilation block, a top cover is arranged at the top of the first ventilation pipe, a second ventilation pipe is fixedly connected to the bottom of the ventilation block, the second ventilation pipe extends to the inside of the smoke exhaust channel, the number of the ventilation device is six, the six ventilation devices are distributed on the upper surface of the smoke exhaust hood in an annular array mode, and the top cover can be opened by a worker, so that external air sequentially passes through the first ventilation pipe, the ventilation block and the second ventilation pipe and enters the inside of the smoke exhaust channel.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, the smoke exhaust hood is arranged outside the smoke exhaust tube, the extrusion ring is clamped into the annular groove, the extrusion ring extrudes the sealing ring, the sealing performance of the smoke exhaust hood is better, smoke is prevented from leaking into a workshop and influencing the health of workers, external air enters the smoke exhaust channel through the ventilation device by opening the draught fan, a gap is arranged between the outer surface of the smoke exhaust tube and the inner wall of the smoke exhaust hood, so that the air can enter the draught fan through the smoke exhaust channel, the air speed above the smoke exhaust tube is higher, the pressure is lower, the inside of the extruder is relatively in a closed state, the temperature in the extruder is higher, the pressure in the extruder is higher, a large amount of smoke generated in the extruder can enter the smoke exhaust channel through the smoke exhaust tube, and finally the smoke enters the draught fan through the induced duct, and arrange the inside of absorption tower through the exhaust pipe, the top through the chimney and the inside atmospheric pressure difference that forms of extruder, on the one hand can prevent that the flue gas from revealing, on the other hand, the circulation of the inside flue gas of extruder has been accelerated, the work efficiency of cleaing away the flue gas has been improved, the rectangular block is close to the inner diapire of absorption tower, when the absorption liquid gathering of absorption tower bottom is more, the flue gas lets in the absorption liquid of gathering earlier, make the absorption liquid fully absorb the harmful substance in the flue gas earlier, when the flue gas floats in absorption tower inside, the absorption liquid that sprays can continue to absorb the harmful substance in the flue gas, smoke abatement effect is better.
2. In the invention, the absorption liquid is pumped into the interior of the high-pressure pump through the liquid pumping pipe, the absorption liquid is continuously sprayed out through the spray holes of the spray head under the action of the high-pressure pump, the sprayed absorption liquid is in a mist shape and can be uniformly distributed in the interior of the absorption tower, so that the flue gas and the absorption liquid are fully mixed and absorbed, the absorption liquid can fall into the bottom of the absorption tower, when the absorption liquid at the bottom of the absorption tower is gathered more, in order to prevent the absorption liquid from overflowing out of the absorption tower, the water suction pump can be opened, the absorption liquid in the interior of the absorption tower is pumped out and conveyed into the water collecting tank through the drain pipe for centralized treatment, the exhaust fan is started, the filtered flue gas can be exhausted through the exhaust fan, by arranging the filter screen, the substances with larger external volume can be prevented from entering the interior of the absorption tower through the exhaust box, by arranging the first water level sensor with the height lower than the exhaust pipe, when the water, the suction pump is in the off-state, prevents that the exhaust pipe exhaust flue gas from passing through the suction pump and discharging, and when the water pump of absorption liquid reaches second level sensor's position bottom the absorption tower, can start the suction pump and discharge the absorption liquid, avoids the absorption liquid overflow absorption tower.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the extractor hood of the present invention;
FIG. 3 is a schematic view of the interior of the enclosure of the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3 at A in accordance with the present invention;
FIG. 5 is a schematic view of the structure of the ventilating device of the present invention;
FIG. 6 is a schematic view of the structure of an absorption column in the present invention;
FIG. 7 is a schematic view showing the structure of the exhaust box of the present invention.
In the figure: 1. an extruder; 2. a smoke exhaust tube; 3. an extrusion ring; 4. a smoke exhaust hood; 5. a smoke evacuation channel; 6. an annular groove; 7. a seal ring; 8. a ventilation device; 801. a ventilation block; 802. a first vent pipe; 803. a top cover; 804. a second vent pipe; 9. an induced draft pipe; 10. an induced draft fan; 11. an exhaust duct; 12. a smoke inlet pipe; 13. an absorption tower; 14. a rectangular block; 15. a high pressure pump; 16. a liquid pumping pipe; 17. a liquid discharge pipe; 18. a shunting block; 19. a spray head; 20. a water pump; 21. a water pumping pipe; 22. an exhaust box; 23. an exhaust fan; 24. a filter screen; 25. a first water level sensor; 26. a second water level sensor; 27. a control valve; 28. and a pressure gauge.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 7, in the embodiment of the invention, a smoke abatement device of a parallel twin-screw extruder for producing color masterbatch comprises an extruder 1, a chimney 2 is fixedly connected to the top of the extruder 1, an extrusion ring 3 is fixedly connected to the top of the extruder 1, a chimney 4 is sleeved on the outer surface of the chimney 2, a smoke exhaust channel 5 is formed inside the chimney 4, an annular groove 6 is formed at the bottom of the chimney 4, a sealing ring 7 is arranged inside the annular groove 6, a ventilation device 8 is arranged at the top of the chimney 4, an induced draft tube 9 is arranged at the top of the chimney 4, an induced draft fan 10 is fixedly installed at one end of the induced draft tube 9, an exhaust tube 11 is fixedly installed at one side of the induced draft fan 10, a smoke inlet tube 12 is fixedly installed at one end of the exhaust tube 11, an absorption tower 13 is fixedly connected to the outer surface of the smoke inlet tube 12, and one end of the, one end of the smoke inlet pipe 12 is fixedly connected with a rectangular block 14, the bottom of the rectangular block 14 is provided with a smoke exhaust hole, the smoke exhaust hood 4 is arranged outside the smoke exhaust tube 2, the extrusion ring 3 is clamped inside the annular groove 6, meanwhile, the extrusion ring 3 extrudes the sealing ring 7, the sealing performance of the smoke exhaust hood 4 is better, the smoke is prevented from leaking into a workshop and affecting the health of workers, external air enters the smoke exhaust channel 5 through the ventilation device 8 by opening the draught fan 10, a gap is arranged between the outer surface of the smoke exhaust tube 2 and the inner wall of the smoke exhaust hood 4, so that the air can enter the draught fan 10 through the smoke exhaust channel 5, at the moment, the wind speed above the smoke exhaust tube 2 is higher, the pressure is lower, the inside of the extruder 1 is relatively in a closed state, the temperature inside of the extruder 1 is higher, and the pressure inside of the extruder 1 is higher, therefore, a large amount of flue gases that produce in the extruder 1 can enter into the inside of exhaust passage 5 through exhaust pipe 2, final flue gas enters into the inside of draught fan 10 through induced duct 9, and discharge the inside of absorption tower 13 through exhaust pipe 11, the pressure differential that forms through the top of exhaust pipe 2 and the inside of extruder 1, can prevent on the one hand that the flue gas from revealing, on the other hand, the circulation of the inside flue gas of extruder 1 has been accelerated, the work efficiency of cleaing away the flue gas has been improved, rectangular block 14 is close to the inner bottom wall of absorption tower 13, when the absorption liquid gathering of absorption tower 13 bottom is more, the flue gas lets in the absorption liquid of gathering earlier, make the absorption liquid fully absorb the harmful substance in the flue gas earlier, when the flue gas is floated in absorption tower 13 inside, the absorption liquid that sprays can continue to absorb the harmful substance in the flue gas, smoke abatement effect is better.
Wherein, the top of the absorption tower 13 is fixedly connected with a high-pressure pump 15, the top of the high-pressure pump 15 is fixedly connected with a liquid pumping pipe 16, the bottom of the high-pressure pump 15 is provided with a liquid discharge pipe 17, the liquid pumping pipe 16 is connected with a liquid storage tank, the liquid storage tank is internally provided with alkali liquor for absorbing smoke, when the high-pressure pump 15 works, the absorption liquid can be pumped into the high-pressure pump 15 through the liquid pumping pipe 16 and is gathered in the absorption tower 13 through the liquid discharge pipe 17; a liquid discharge pipe 17 extends into the absorption tower 13, one end of the liquid discharge pipe 17 is fixedly connected with a shunting block 18, the bottom of the shunting block 18 is fixedly connected with a spray head 19, the shape of the shunting block 18 is rectangular, the shunting block is horizontally arranged, and absorption liquid can enter the spray head 19 through the shunting block 18; the number of the spray heads 19 is ten, the outer surface of the spray heads 19 is provided with spray holes, under the action of the high-pressure pump 15, the absorption liquid is continuously sprayed out through the spray holes of the spray heads 19, and the sprayed absorption liquid is in a mist shape and can be uniformly distributed in the absorption tower 13, so that the flue gas and the absorption liquid are fully mixed and fall into the bottom of the absorption tower 13.
Wherein, a water pump 20 is fixedly installed at one side of the absorption tower 13, a water pumping pipe 21 is fixedly connected to one side of the water pump 20, the water pumping pipe 21 extends into the absorption tower 13, a water draining pipe is connected to the other side of the water pump 20, a water collecting tank is arranged at one end of the water draining pipe, when the absorption liquid at the bottom of the absorption tower 13 is gathered more, the water pump 20 can be opened to pump the absorption liquid in the absorption tower 13 out and convey the absorption liquid into the water collecting tank for centralized treatment through the water draining pipe in order to prevent the absorption liquid from overflowing out of the absorption tower 13; a smoke outlet is formed in one side of the absorption tower 13, an exhaust box 22 is fixedly mounted on one side of the absorption tower 13, an exhaust fan 23 is arranged inside the exhaust box 22, a filter screen 24 is arranged on one side of the exhaust box 22, the exhaust fan 23 is started, filtered smoke can be exhausted through the exhaust fan 23, and substances with large external volume can be prevented from entering the absorption tower 13 through the exhaust box 22 by arranging the filter screen 24; a first water level sensor 25 is fixedly installed on the inner wall of the absorption tower 13, a second water level sensor 26 is fixedly installed on one side of the absorption tower 13, a control valve 27 is arranged at the top of the exhaust pipe 11, a pressure gauge 28 is arranged at the top of the absorption tower 13, the height of the first water level sensor 25 is lower than that of the exhaust pipe 11, when the water level of the absorption liquid at the bottom of the absorption tower 13 rises to the inside of the first water level sensor 25, the water suction pump 20 is in a closed state, the smoke discharged from the exhaust pipe 11 is prevented from being discharged through the water suction pump 20, and when the water pump of the absorption liquid at the bottom of the absorption tower 13 reaches the position of the second water level sensor 26, the water suction pump 20 can be started to discharge the absorption liquid, so that the; ventilation unit 8 includes ventilation piece 801, ventilation piece 801's top is provided with first ventilation pipe 802, the top of first ventilation pipe 802 is provided with top cap 803, ventilation piece 801's bottom fixedly connected with second ventilation pipe 804, and second ventilation pipe 804 extends to the inside of discharge flue 5, ventilation unit 8's quantity is six, and six ventilation unit 8 distribute at the upper surface of fume hood 4 with the mode of annular array, the staff can open top cap 803, make outside air loop through first ventilation pipe 802, ventilation piece 801, second ventilation pipe 804 and enter into the inside of discharge flue 5.
The working principle of the invention is as follows: the exhaust hood 4 is arranged outside the exhaust pipe 2, the extrusion ring 3 is clamped into the annular groove 6, the extrusion ring 3 extrudes the sealing ring 7, the sealing performance of the exhaust hood 4 is good, smoke is prevented from leaking into a workshop and influencing the physical health of workers, external air enters the exhaust channel 5 through the ventilation device 8 by opening the draught fan 10, a gap is formed between the outer surface of the exhaust pipe 2 and the inner wall of the exhaust hood 4, air can enter the draught fan 10 through the exhaust channel 5, the air speed above the exhaust pipe 2 is high, the pressure is low, the interior of the extruder 1 is in a sealed state relatively, the internal temperature of the extruder 1 is high, the pressure in the extruder 1 is high, and therefore a large amount of smoke generated in the extruder 1 can enter the exhaust channel 5 through the exhaust pipe 2, finally, the flue gas enters the inside of a draught fan 10 through an induced draft pipe 9 and is exhausted into an absorption tower 13 through an exhaust pipe 11, on one hand, the flue gas leakage can be prevented through the air pressure difference formed between the upper part of a smoke exhaust tube 2 and the inside of an extruder 1, on the other hand, the circulation of the flue gas in the extruder 1 is accelerated, the work efficiency of removing the flue gas is improved, a rectangular block 14 is close to the inner bottom wall of the absorption tower 13, when the absorption liquid at the bottom of the absorption tower 13 is accumulated more, the flue gas is firstly introduced into the accumulated absorption liquid, so that the absorption liquid firstly fully absorbs harmful substances in the flue gas, when the flue gas floats in the absorption tower 13, the sprayed absorption liquid can continuously absorb the harmful substances in the flue gas, the smoke removing effect is good, when a high-pressure pump 15 works, the absorption liquid can be pumped into the high-pressure pump 15 through a liquid pumping pipe 16, and under the action of the high-pressure pump 15, the absorption liquid, and the sprayed absorption liquid is in the form of mist and can be uniformly distributed in the absorption tower 13, so that the flue gas and the absorption liquid are fully mixed and absorbed, the absorption liquid can fall into the bottom of the absorption tower 13, when the absorption liquid at the bottom of the absorption tower 13 is gathered more, in order to prevent the absorption liquid from overflowing out of the absorption tower 13, the water suction pump 20 can be opened, the absorption liquid in the absorption tower 13 is pumped out and conveyed into the water collecting tank through the drain pipe for centralized treatment, the exhaust fan 23 is started, the filtered flue gas can be discharged through the exhaust fan 23, by arranging the filter screen 24, the substances with larger external volume can be prevented from entering the absorption tower 13 through the exhaust box 22, by arranging the first water level sensor 25 with the height lower than that of the smoke exhaust pipe 11, when the water level of the absorption liquid at the bottom of the absorption tower 13 rises to the inside of the first sensor 25, the water suction pump 20 is in a closed state, the flue gas discharged from the smoke exhaust pipe 11 is prevented from being discharged through, when the water pump of the absorption liquid at the bottom of the absorption tower 13 reaches the position of the second water level sensor 26, the water pump 20 can be started to discharge the absorption liquid, so as to prevent the absorption liquid from overflowing out of the absorption tower 13.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a masterbatch production is with smoke abatement device of parallel twin-screw extruder, includes extruder (1), its characterized in that: the top fixedly connected with exhaust pipe (2) of extruder (1), the top fixedly connected with extrusion ring (3) of extruder (1), enclosure (4) has been cup jointed to the surface of enclosure (2), smoke exhaust passage (5) have been seted up to the inside of enclosure (4), ring channel (6) have been seted up to the bottom of enclosure (4), the inside of ring channel (6) is provided with sealing washer (7), the top of enclosure (4) is provided with ventilation unit (8), the top of enclosure (4) is provided with induced duct (9), the one end fixed mounting of induced duct (9) has draught fan (10), one side fixed mounting of draught fan (10) has exhaust pipe (11), the one end fixed mounting of exhaust pipe (11) has into tobacco pipe (12), the outer fixed surface of advancing tobacco pipe (12) is connected with absorption tower (13), and one end of the smoke inlet pipe (12) extends into the absorption tower (13), one end of the smoke inlet pipe (12) is fixedly connected with a rectangular block (14), and the bottom of the rectangular block (14) is provided with a smoke exhaust hole.
2. The smoke removing device of the parallel double-screw extruder for producing the color master batches, according to claim 1, is characterized in that: the absorption tower is characterized in that a high-pressure pump (15) is fixedly connected to the top of the absorption tower (13), a liquid pumping pipe (16) is fixedly connected to the top of the high-pressure pump (15), and a liquid discharge pipe (17) is arranged at the bottom of the high-pressure pump (15).
3. The smoke removing device of the parallel double-screw extruder for producing the color master batches, according to claim 2, is characterized in that: the liquid discharge pipe (17) extends to the inside of the absorption tower (13), one end of the liquid discharge pipe (17) is fixedly connected with a shunting block (18), and the bottom of the shunting block (18) is fixedly connected with a spray head (19).
4. The smoke abatement device of a parallel twin-screw extruder for masterbatch production of claim 3, wherein: the number of the spray heads (19) is ten, and spray holes are formed in the outer surface of each spray head (19).
5. The smoke removing device of the parallel double-screw extruder for producing the color master batches, according to claim 1, is characterized in that: one side fixed mounting of absorption tower (13) has suction pump (20), one side fixedly connected with drinking-water pipe (21) of suction pump (20), just drinking-water pipe (21) extend to the inside of absorption tower (13).
6. The smoke removing device of the parallel double-screw extruder for producing the color master batches, according to claim 1, is characterized in that: the exhaust port has been seted up to one side of absorption tower (13), one side fixed mounting of absorption tower (13) has exhaust case (22), the inside of exhaust case (22) is provided with exhaust fan (23), one side of exhaust case (22) is provided with filter screen (24).
7. The smoke removing device of the parallel double-screw extruder for producing the color master batches, according to claim 1, is characterized in that: the inner wall fixed mounting of absorption tower (13) has first level sensor (25), one side fixed mounting of absorption tower (13) has second level sensor (26), the top of exhaust pipe (11) is provided with control valve (27), the top of absorption tower (13) is provided with manometer (28).
8. The smoke removing device of the parallel double-screw extruder for producing the color master batches, according to claim 1, is characterized in that: the ventilation device (8) comprises a ventilation block (801), a first ventilation pipe (802) is arranged at the top of the ventilation block (801), a top cover (803) is arranged at the top of the first ventilation pipe (802), a second ventilation pipe (804) is fixedly connected to the bottom of the ventilation block (801), and the second ventilation pipe (804) extends to the inside of the smoke exhaust channel (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011318838.7A CN112622222A (en) | 2020-11-23 | 2020-11-23 | Masterbatch production is with smoke abatement device of parallel double screw extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011318838.7A CN112622222A (en) | 2020-11-23 | 2020-11-23 | Masterbatch production is with smoke abatement device of parallel double screw extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112622222A true CN112622222A (en) | 2021-04-09 |
Family
ID=75303546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011318838.7A Pending CN112622222A (en) | 2020-11-23 | 2020-11-23 | Masterbatch production is with smoke abatement device of parallel double screw extruder |
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Application publication date: 20210409 |