CN115090102B - Environment-friendly tail gas treatment equipment for chemical production and treatment method thereof - Google Patents
Environment-friendly tail gas treatment equipment for chemical production and treatment method thereof Download PDFInfo
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- CN115090102B CN115090102B CN202210891736.7A CN202210891736A CN115090102B CN 115090102 B CN115090102 B CN 115090102B CN 202210891736 A CN202210891736 A CN 202210891736A CN 115090102 B CN115090102 B CN 115090102B
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- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- 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
- B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
- B01D46/32—Particle separators, e.g. dust precipitators, using loose filtering material the material moving during filtering
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- 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
- B01D53/02—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 adsorption, e.g. preparative gas chromatography
- B01D53/06—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 adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
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- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/79—Injecting reactants
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Abstract
The invention discloses environment-friendly tail gas treatment equipment for chemical production, which relates to the technical field of chemical tail gas treatment equipment, and comprises a purification cylinder, wherein a cover plate is detachably arranged on the upper end surface of the purification cylinder, a purification tank is fixedly connected to the bottom of an inner cavity of the purification cylinder, an absorption liquid is injected into the inner cavity of the purification tank, a purification disc is detachably arranged on the upper part of the inner cavity of the purification cylinder, and activated carbon particles are filled in the purification disc; a transmission mechanism is arranged in the middle of the inner cavity of the cover plate; a spraying mechanism is arranged in the middle of the inner cavity of the purifying cylinder; an inner cavity of the purifying tank is provided with a stirring mechanism. The invention realizes the functions of injecting chemical waste gas generated in factory production into the purifying cylinder through the cooperation of the transmission mechanism and the spraying mechanism and the like, absorbing and evolving the chemical waste gas in a spraying and soaking mode through the absorption liquid, and can stir the absorption liquid through the arrangement of the stirring mechanism, thereby improving the quality of purifying the chemical waste gas.
Description
Technical Field
The invention relates to the technical field of chemical tail gas treatment equipment, in particular to environment-friendly tail gas treatment equipment for chemical production and a treatment method thereof.
Background
Chemical industry is an abbreviation for "chemical process", "chemical industry", "chemical engineering", etc. The chemical waste gas refers to toxic and harmful gas discharged from chemical plants in chemical production. Chemical waste gas often contains a plurality of pollutant types, has complex physical and chemical properties and different toxicity, seriously pollutes the environment and affects the health of human bodies. The chemical waste gas components produced in different chemical production industries are quite different. For example, the waste gas generated in chlor-alkali industry mainly contains chlorine, hydrogen chloride, chloroethylene, mercury, acetylene and the like, and the waste gas generated in nitrogen fertilizer industry mainly contains nitrogen oxides, urea dust, carbon monoxide, ammonia, sulfur dioxide, methane and the like.
However, the existing waste gas treatment equipment is easy to remove impurities soluble in water in a spraying mode, the mode is single in structure, the effect of treating harmful substances in waste gas is poor, the utilization rate of spraying liquid is low, resource waste is easy to cause, the treatment cost is increased, and the treatment requirement of the existing chemical tail gas is difficult to meet. Therefore, the application provides environment-friendly tail gas treatment equipment for chemical production and a treatment method thereof, which solve the problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides environment-friendly tail gas treatment equipment for chemical production and a treatment method thereof.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
an environment-friendly tail gas treatment device for chemical production and a treatment method thereof, comprising the following steps:
the purifying device comprises a purifying cylinder, wherein a cover plate is detachably arranged on the upper end surface of the purifying cylinder, an exhaust pipe is arranged on the cover plate, a purifying tank is fixedly connected to the bottom of an inner cavity of the purifying cylinder, an absorption liquid is injected into the inner cavity of the purifying tank, a purifying disc is detachably arranged on the upper part of the inner cavity of the purifying cylinder, and activated carbon particles are filled in the purifying disc;
the transmission mechanism is arranged in the middle of the inner cavity of the cover plate and is used for inputting waste gas into the inner cavity of the purifying cylinder;
the transmission mechanism comprises a servo motor, a transmission rod, worms, worm wheels, a rotating rod, a reciprocating thread groove rod, a limiting block, a limiting sleeve, a piston rod, a piston plate and a piston cylinder, wherein the upper end face of the cover plate is fixedly connected with the servo motor through a frame, the output shaft end of the servo motor is fixedly connected with the transmission rod, the lower part of the outer side wall of the transmission rod is slidably connected with the worm wheels, the rotating rods are rotatably connected to the front side and the rear side of the upper part of the inner side wall of the purifying cylinder, the worm wheels are fixedly connected to the middle part of the outer side wall of the rotating rod, the reciprocating thread groove rod is fixedly connected to the side wall of each rotating rod, the inner cavity of the wall of the thread groove of the reciprocating thread groove rod is slidably connected with a limiting block, the outer side wall of the reciprocating thread groove rod is slidably connected with a limiting sleeve, the limiting sleeve is fixedly connected with a piston plate through a piston rod, the left side and the right side of the outer side wall of the purifying cylinder are fixedly connected with a piston cylinder, a worm is in meshed connection with a worm wheel, the limiting block is fixed on the inner side wall of the limiting sleeve, the limiting sleeve is slidably connected with a rotating rod, the spiral directions of the reciprocating thread groove rods on the left side and the right side are opposite, and the piston plate slides in the inner cavity of the piston cylinder;
the middle part of the inner cavity of the purifying cylinder is provided with a spraying mechanism which is used for filtering chemical waste gas;
the spraying mechanism comprises a liquid supplementing box, a connecting pipe, a liquid outlet pipe and a sprayer, wherein the liquid supplementing box is fixedly connected to the left side of the outer side wall of the purifying cylinder, the upper end face of the piston cylinder positioned at the left side is fixedly connected with the liquid supplementing box through the connecting pipe, a one-way water valve with an outlet facing the inner cavity of the piston cylinder is arranged on the connecting pipe, the lower end face of the piston cylinder positioned at the left side is fixedly connected with the sprayer through the liquid outlet pipe, a one-way water valve with an outlet facing the inner cavity of the liquid outlet pipe is arranged on the liquid outlet pipe, and the liquid outlet pipe is connected with the purifying cylinder in a penetrating way;
the stirring mechanism is arranged in the inner cavity of the purifying tank and is used for stirring the absorption liquid in the purifying tank;
the stirring mechanism comprises an impeller, a rotating shaft, a mounting plate, a reset spring and a stirring plate, wherein the rotating shaft is rotationally connected to the middle part of an inner cavity of the purifying tank, the impeller is fixedly connected to the middle part of the outer side wall of the rotating shaft, the mounting plate is fixedly connected to the left side and the right side of the outer side wall of the rotating shaft, a centrifugal groove is formed in the mounting plate, the stirring plate is slidably connected to the inner cavity of the centrifugal groove, the reset spring is fixedly connected to the bottom surface of the inner cavity of the centrifugal groove, the other end of the reset spring is fixedly connected with the stirring plate, the impeller is arranged right below the outlet end of the air outlet pipe, a liquid discharge pipe is arranged on the lower end face of the purifying tank, and a pressure relief pipe is arranged on the front part of the outer side wall of the purifying tank.
Preferably, the upper end face of the piston cylinder located on the right side is fixedly connected with an air inlet pipe, a one-way air valve with an outlet facing the inner cavity of the piston cylinder is arranged on the air inlet pipe, the lower end face of the piston cylinder located on the right side is fixedly connected with an air outlet pipe, the air outlet pipe is provided with a one-way air valve with an outlet facing the inner cavity of the piston cylinder, the air outlet pipe is connected with the purifying cylinder in a penetrating manner, and the outlet end of the air outlet pipe is located below the liquid level of the absorption liquid.
Preferably, the upper part of the outer side wall of the transmission rod is fixedly connected with a stirring rod, and the stirring rod slides in the inner cavity of the purification disc.
Preferably, the sprayer is fixed in the middle of the inner cavity of the purifying cylinder, and the transmission rod is rotationally connected with the sprayer through a transmission sleeve.
The environment-friendly tail gas treatment method for chemical production comprises the following steps of;
step one: the cover plate is arranged on the upper end surface of the purifying cylinder;
step two: starting a servo motor and injecting chemical waste gas into the purifying tank through the gas inlet pipe and the gas outlet pipe under the cooperation of the transmission mechanism, so as to primarily purify the chemical waste gas;
step three: under the cooperation of the transmission mechanism and the spraying mechanism, the absorption liquid in the liquid supplementing box can be sprayed out from the sprayer through the connecting pipe and the liquid outlet pipe, and the chemical waste gas can be purified again.
Compared with the prior art, the invention has the beneficial effects that:
1. after installing the up end at purifying section of thick bamboo with the apron, start servo motor makes the transfer line rotate, under drive mechanism's cooperation, can make the piston rod on right side drive the piston board on right side at the inner chamber reciprocating motion of the piston section of thick bamboo on right side, and under the cooperation of two one-way pneumatic valves, can be with the chemical waste gas that produces in the production in pouring into the purifying tank through intake pipe and outlet duct this moment, can accomplish the function of preliminary purification to chemical waste gas this moment, after chemical waste gas is purified, through the purification dish intussuseption having activated carbon granule, can further purify the filtration to chemical waste gas, through the setting of puddler, can stir activated carbon granule, the area of activated carbon granule and waste gas contact has been increased, further the purification quality of whole device has been improved.
2. When the servo motor operates, through the setting of drive mechanism, can make left piston rod drive left piston plate at the inner chamber reciprocating motion of left piston section of thick bamboo, and under the cooperation of two one-way water valves, can make the absorption liquid in the fluid infusion case pass through connecting pipe and drain pipe and follow the shower blowout, realized further purification to chemical waste gas, when chemical waste gas pours into in the purifying tank, chemical waste gas can blow the impeller and make the axis of rotation rotate, the cooperation stirring board can stir the absorption liquid in the purifying tank this moment, avoided only the absorption liquid in local region to react with chemical waste gas, the utilization ratio of absorption liquid has been improved.
Drawings
FIG. 1 is a schematic diagram of the whole structure of an environmental protection type tail gas treatment device for chemical production and a treatment method thereof;
FIG. 2 is a schematic diagram of the internal structure of a purifying cylinder of the environmental protection type tail gas treatment equipment for chemical production and the treatment method thereof;
FIG. 3 is a schematic top cross-sectional view of an environmental protection type tail gas treatment device for chemical production and a treatment method thereof;
FIG. 4 is a schematic diagram of a front cross-sectional structure of an environmental protection type tail gas treatment device for chemical production and a treatment method thereof;
FIG. 5 is a schematic diagram of a connection structure of a transmission mechanism of an environmental protection type tail gas treatment device for chemical production and a treatment method thereof;
FIG. 6 is a schematic diagram of a structure of a transmission rod and a worm in a separation manner of an environment-friendly tail gas treatment device for chemical production and a treatment method thereof;
FIG. 7 is a schematic diagram showing the connection structure of the stirring mechanism of the environmental protection type tail gas treatment equipment for chemical production and the treatment method thereof
FIG. 8 is a schematic diagram of an environment-friendly tail gas treatment device for chemical production and a treatment method thereof according to the present invention when a rotating shaft rotates at a high speed;
fig. 9 is a schematic diagram of a structure of the environmental protection type tail gas treatment device for chemical production and the treatment method thereof when the rotation of the rotating shaft stops.
In the figure: 1. a purifying cylinder; 2. a cover plate; 21. an exhaust pipe; 3. a purifying tank; 31. a liquid discharge pipe; 32. a pressure relief tube; 4. a purge tray; 5. a transmission mechanism; 51. a servo motor; 52. a transmission rod; 521. a stirring rod; 53. a worm; 54. a worm wheel; 55. a rotating lever; 56. a reciprocating thread groove bar; 561. a limiting block; 57. a limit sleeve; 58. a piston rod; 581. a piston plate; 59. a piston cylinder; 591. an air inlet pipe; 592. an air outlet pipe; 6. a spraying mechanism; 61. a fluid supplementing box; 62. a connecting pipe; 63. a liquid outlet pipe; 64. a sprayer; 641. a transmission sleeve; 7. a stirring mechanism; 71. an impeller; 72. a rotating shaft; 73. a mounting plate; 731. a centrifugal tank; 74. a return spring; 75. stirring plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1 to 9, an environmental protection type tail gas treatment apparatus for chemical production and a treatment method thereof, comprising:
the purifying device comprises a purifying cylinder 1, wherein a cover plate 2 is detachably arranged on the upper end surface of the purifying cylinder 1, an exhaust pipe 21 is arranged on the cover plate 2, a purifying tank 3 is fixedly connected to the bottom of an inner cavity of the purifying cylinder 1, an absorption liquid is injected into the inner cavity of the purifying tank 3, a purifying disc 4 is detachably arranged on the upper part of the inner cavity of the purifying cylinder 1, and activated carbon particles are filled in the purifying disc 4;
the transmission mechanism 5 is arranged in the middle of the inner cavity of the cover plate 2, and the transmission mechanism 5 is used for inputting waste gas into the inner cavity of the purifying cylinder 1;
the spraying mechanism 6 is arranged in the middle of the inner cavity of the purifying cylinder 1, and the spraying mechanism 6 is used for filtering chemical waste gas;
and the stirring mechanism 7 is arranged in the inner cavity of the purifying tank 3, and the stirring mechanism 7 is used for stirring the absorption liquid in the purifying tank 3.
Referring to fig. 1 to 7, wherein the transmission mechanism 5 comprises a servo motor 51, a transmission rod 52, a worm 53, a worm wheel 54, a rotation rod 55, a reciprocating thread groove rod 56, a limiting block 561, a limiting sleeve 57, a piston rod 58, a piston plate 581 and a piston cylinder 59, wherein the upper end surface of a cover plate 2 is fixedly connected with the servo motor 51 through a frame, the output shaft end of the servo motor 51 is fixedly connected with the transmission rod 52, the worm 53 is slidingly connected with the lower part of the outer side wall of the transmission rod 52, the rotation rods 55 are rotationally connected with the front side and the rear side of the upper part of the inner side wall of the purification cylinder 1, the worm wheel 54 is fixedly connected with the middle part of the outer side wall of the rotation rod 55, the side wall of each rotation rod 55 is fixedly connected with the reciprocating thread groove rod 56, the limiting block 561 is slidingly connected with the thread cavity of the reciprocating thread groove rod 56, the outer side wall of the reciprocating thread groove rod 56 is slidingly connected with the limiting sleeve 57, the limiting sleeve 57 is fixedly connected with the piston plate 581 through the piston rod 58, the piston cylinder 59 is fixedly connected to the left side and the right side of the outer side wall of the purifying cylinder 1, the worm 53 is in meshed connection with the worm wheel 54, the limiting sleeve 561 is fixed on the inner side wall of the limiting sleeve 57, the limiting sleeve 57 is in sliding connection with the rotating rod 55, the spiral directions of the reciprocating threaded groove rods 56 on the left side and the right side are opposite, the piston plate 581 slides in the inner cavity of the piston cylinder 59, the upper end face of the piston cylinder 59 on the right side is fixedly connected with the air inlet pipe 591, a one-way air valve with an outlet to the inner cavity of the piston cylinder 59 is arranged on the air inlet pipe 591, the lower end face of the piston cylinder 59 on the right side is fixedly connected with the air outlet pipe 592, the air outlet pipe 592 is in penetrating connection with the purifying cylinder 1, and the outlet end of the air outlet pipe 592 is positioned below the liquid level of absorption liquid;
through the setting of above-mentioned structure, install apron 2 behind the up end of purifying section of thick bamboo 1, make transfer line 52 rotate through starting servo motor 51, under drive mechanism's cooperation, can make right piston rod 58 drive the piston plate 581 on the right reciprocating motion in the inner chamber of piston section of thick bamboo 59 on the right to and under the cooperation of two one-way pneumatic valves, can pour into the purifying cell with the chemical waste gas that produces in the production this moment into through intake pipe 591 and outlet duct 592 in, can accomplish the function of preliminary purification to chemical waste gas this moment.
Referring to fig. 2, wherein a stirring rod 521 is fixedly connected to the upper portion of the outer sidewall of the transmission rod 52, the stirring rod 521 slides in the inner cavity of the purification disc 4;
through the setting of above-mentioned structure, after chemical waste gas is purified, have the active carbon granule through purifying disc 4 intussuseption, can further purify the chemical waste gas and filter, through the setting of puddler 521, can stir the active carbon granule, increased the area of active carbon granule and waste gas contact, further improved the quality of the purification of whole device.
Referring to fig. 1-7, the spraying mechanism 6 comprises a liquid supplementing box 61, a connecting pipe 62, a liquid outlet pipe 63 and a sprayer 64, wherein the liquid supplementing box 61 is fixedly connected to the left side of the outer side wall of the purifying cylinder 1, the upper end face of a piston cylinder 59 positioned at the left side is fixedly connected with the liquid supplementing box 61 through the connecting pipe 62, a one-way water valve with an outlet facing the inner cavity of the piston cylinder 59 is arranged on the connecting pipe 62, the lower end face of the piston cylinder 59 positioned at the left side is fixedly connected with the sprayer 64 through the liquid outlet pipe 63, the liquid outlet pipe 63 is provided with a one-way water valve with an outlet facing the inner cavity of the liquid outlet pipe 63, the liquid outlet pipe 63 is connected with the purifying cylinder 1 in a penetrating way, the sprayer 64 is fixed in the middle of the inner cavity of the purifying cylinder 1, and the transmission rod 52 is rotationally connected with the sprayer 64 through a transmission sleeve 641;
through the arrangement of the structure, when the servo motor 51 operates, the left piston rod 58 can drive the left piston plate 581 to reciprocate in the inner cavity of the left piston cylinder 59 through the arrangement of the transmission mechanism 5, and under the cooperation of two one-way water valves, the absorption liquid in the liquid supplementing tank 61 can be sprayed out of the sprayer 64 through the connecting pipe 62 and the liquid outlet pipe 63, so that further purification of chemical waste gas is realized.
Referring to fig. 1-7, wherein the stirring mechanism 7 comprises an impeller 71, a rotating shaft 72, a mounting plate 73, a reset spring 74 and a stirring plate 75, the rotating shaft 72 is rotationally connected to the middle part of the inner cavity of the purifying tank 3, the impeller 71 is fixedly connected to the middle part of the outer side wall of the rotating shaft 72, the mounting plate 73 is fixedly connected to the left side and the right side of the outer side wall of the rotating shaft 72, a centrifugal groove 731 is arranged on the mounting plate 73, the stirring plate 75 is slidingly connected to the inner cavity of the centrifugal groove 731, the reset spring 74 is fixedly connected to the bottom surface of the inner cavity of the centrifugal groove 731, the other end of the reset spring 74 is fixedly connected with the stirring plate 75, the impeller 71 is arranged right below the outlet end of the air outlet pipe 592, the liquid discharge pipe 31 is arranged on the lower end surface of the purifying tank 3, and the pressure release pipe 32 is arranged on the front part of the outer side wall of the purifying tank 3;
through the arrangement of the structure, when chemical waste gas is injected into the purifying tank 3, the chemical waste gas can blow the impeller 71 to enable the rotating shaft 72 to rotate, and at the moment, the absorption liquid in the purifying tank 3 can be stirred by the matching stirring plate 75, so that the absorption liquid in a local area is prevented from reacting with the chemical waste gas, and the utilization rate of the absorption liquid is improved.
In the invention, after a cover plate 2 is arranged on the upper end surface of a purifying cylinder 1, a servo motor 51 is started to rotate a transmission rod 52, the transmission rod 52 drives a worm 53 to rotate worm wheels 54 on the front side and the rear side, the worm wheels 54 drive a rotating rod 55 to rotate a reciprocating thread groove rod 56, a piston rod 58 can reciprocate a piston plate 581 in the inner cavity of the piston cylinder 59 by a limiting block 561 and a limiting rod 55 on the left side and the right side, when the piston rod 58 on the right side drives the piston plate 581 on the right side to move in the inner cavity of the piston cylinder 59 on the right side to the right side, chemical waste gas in the inner cavity of the piston cylinder 59 on the right side can be injected into a purifying tank 3 through an air outlet pipe 592 under the cooperation of two one-way air valves, at the moment, absorption liquid in the purifying tank 3 can be primarily purified, and at the moment, absorption liquid in a liquid supplementing tank 61 enters the piston cylinder 59 on the left side through a connecting pipe 62;
when the left piston rod 58 drives the left piston plate 581 to move leftwards in the inner cavity of the left piston cylinder 59, under the cooperation of the two one-way water valves, the absorption liquid of the piston cylinder 59 can be sprayed out of the sprayer 64 through the liquid outlet pipe 63, so that further purification of chemical waste gas is realized, and waste gas generated in factory production can enter the right piston cylinder 59 through the air inlet pipe 591;
after the chemical waste gas is purified by the absorption liquid, activated carbon particles are filled in the purification disc 4, so that the chemical waste gas can be further purified and filtered, and the safety of the chemical waste gas discharged from the exhaust pipe 21 to the outside is ensured;
through the arrangement of the stirring rod 521 (as shown in fig. 2), when the transmission rod 52 rotates, the transmission rod 52 can drive the stirring rod 521 to rotate, so that the stirring rod 521 can realize the function of stirring the activated carbon particles at the moment, the contact area of the activated carbon particles and the waste gas is increased, and the quality of the activated carbon particles for purifying the chemical waste gas is further improved;
when chemical waste gas is injected into the purifying tank 3, the chemical waste gas can blow the impeller 71 to rotate the rotating shaft 72, at the moment, the stirring plate 75 also rotates, the stirring plate 75 can realize the function of stirring the absorption liquid in the purifying tank 3, the absorption liquid in a local area is prevented from reacting with the chemical waste gas, the utilization rate of the absorption liquid is improved, the purification quality of the absorption liquid to the chemical waste gas is ensured,
when the rotating shaft 72 rotates at a high speed (as shown in fig. 8), the stirring plates 75 can move toward the top of the inner cavity of the centrifugal groove 731 under the action of the centrifugal force of the stirring plates 75, the distance between the stirring plates 75 is larger, the stirring area of the stirring plates 75 can be larger during rotation, when the rotating shaft 72 rotates at a low speed (as shown in fig. 9), the centrifugal force of the stirring plates 75 is insufficient to pull the return springs 74 to stretch, the stirring plates 74 are in an original long state, the distance between the stirring plates 75 is smaller, the stirring area of the stirring plates 75 during rotation is smaller, so that the distance between the stirring plates 75 can be changed in two states of injecting chemical waste gas into the purifying tank 3 and after injecting the chemical waste gas, the stirring area of absorption liquid is changed, and the stirring effect of the absorption liquid is improved.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. Environment-friendly tail gas treatment equipment for chemical production is characterized by comprising:
the purifying device comprises a purifying cylinder (1), wherein a cover plate (2) is detachably arranged on the upper end face of the purifying cylinder (1), an exhaust pipe (21) is arranged on the cover plate (2), a purifying tank (3) is fixedly connected to the bottom of an inner cavity of the purifying cylinder (1), absorption liquid is injected into the inner cavity of the purifying tank (3), a purifying disc (4) is detachably arranged on the upper part of the inner cavity of the purifying cylinder (1), and activated carbon particles are filled in the purifying disc (4);
the transmission mechanism (5) is arranged in the middle of the inner cavity of the cover plate (2), and the transmission mechanism (5) is used for inputting waste gas into the inner cavity of the purifying cylinder (1);
the transmission mechanism (5) comprises a servo motor (51), a transmission rod (52), a worm (53), a worm wheel (54), a rotating rod (55), a reciprocating thread groove rod (56), limiting blocks (561), limiting sleeves (57), piston rods (58), piston plates (581) and a piston cylinder (59), wherein the upper end face of a cover plate (2) is fixedly connected with the servo motor (51) through a rack, the output shaft end of the servo motor (51) is fixedly connected with the transmission rod (52), the lower part of the outer side wall of the transmission rod (52) is slidably connected with the worm (53), the rotating rods (55) are rotatably connected to the front side and the rear side of the upper part of the inner side wall of the purifying cylinder (1), the worm wheel (54) is fixedly connected to the middle part of the outer side wall of the rotating rod (55), each rotating rod (55) is fixedly connected with the reciprocating thread groove rod (56), the inner cavity of the thread groove wall of each reciprocating thread groove rod (56) is slidably connected with the limiting block, the outer side wall of the reciprocating thread groove rod (56) is slidably connected with the limiting sleeve (57), the limiting sleeve (57) is fixedly connected with the left side wall (561) of the piston cylinder (54) through the worm wheel (58), the limiting block (561) is fixed on the inner side wall of the limiting sleeve (57), the limiting sleeve (57) is in sliding connection with the rotating rod (55), the spiral directions of the reciprocating thread groove rods (56) on the left side and the right side are opposite, and the piston plate (581) slides in the inner cavity of the piston cylinder (59);
the spraying mechanism (6) is arranged in the middle of the inner cavity of the purifying cylinder (1), and the spraying mechanism (6) is used for filtering chemical waste gas;
the spraying mechanism (6) comprises a liquid supplementing box (61), a connecting pipe (62), a liquid outlet pipe (63) and a sprayer (64), the liquid supplementing box (61) is fixedly connected to the left side of the outer side wall of the purifying cylinder (1), the upper end face of the piston cylinder (59) positioned at the left side is fixedly connected with the liquid supplementing box (61) through the connecting pipe (62), a one-way water valve with an outlet facing the inner cavity of the piston cylinder (59) is arranged on the connecting pipe (62), the lower end face of the piston cylinder (59) positioned at the left side is fixedly connected with the sprayer (64) through the liquid outlet pipe (63), the one-way water valve with an outlet facing the inner cavity of the liquid outlet pipe (63) is arranged on the liquid outlet pipe (63), and the liquid outlet pipe (63) is connected with the purifying cylinder (1) in a penetrating way;
the stirring mechanism (7) is arranged in the inner cavity of the purifying tank (3), and the stirring mechanism (7) is used for stirring the absorption liquid in the purifying tank (3);
the stirring mechanism (7) comprises an impeller (71), a rotating shaft (72), a mounting plate (73), a reset spring (74) and a stirring plate (75), the rotating shaft (72) is rotationally connected to the middle part of the inner cavity of the purifying tank (3), the impeller (71) is fixedly connected to the middle part of the outer side wall of the rotating shaft (72), the mounting plate (73) is fixedly connected to the left side and the right side of the outer side wall of the rotating shaft (72), a centrifugal groove (731) is formed in the mounting plate (73), the stirring plate (75) is slidingly connected to the inner cavity of the centrifugal groove (731), the reset spring (74) is fixedly connected to the bottom surface of the inner cavity of the centrifugal groove (731), the other end of the reset spring (74) is fixedly connected to the stirring plate (75), the impeller (71) is arranged right below the outlet end of the air outlet pipe (592), a liquid discharge pipe (31) is arranged on the lower end surface of the purifying tank (3), and a pressure release pipe (32) is arranged on the front part of the outer side wall of the purifying tank (3).
2. The environment-friendly tail gas treatment equipment for chemical production according to claim 1, wherein an air inlet pipe (591) is fixedly connected to the upper end face of the piston cylinder (59) on the right side, a one-way air valve with an outlet facing the inner cavity of the piston cylinder (59) is arranged on the air inlet pipe (591), an air outlet pipe (592) is fixedly connected to the lower end face of the piston cylinder (59) on the right side, a one-way air valve with an outlet facing the inner cavity of the piston cylinder (59) is arranged on the air outlet pipe (592), the air outlet pipe (592) is in penetrating connection with the purifying cylinder (1), and the outlet end of the air outlet pipe (592) is positioned below the liquid level of absorption liquid.
3. The environment-friendly tail gas treatment equipment for chemical production according to claim 1, wherein a stirring rod (521) is fixedly connected to the upper part of the outer side wall of the transmission rod (52), and the stirring rod (521) slides in the inner cavity of the purification disc (4).
4. The environment-friendly tail gas treatment equipment for chemical production according to claim 1, wherein the sprayer (64) is fixed in the middle of the inner cavity of the purifying cylinder (1), and the transmission rod (52) is rotationally connected with the sprayer (64) through a transmission sleeve (641).
5. A treatment method using the environmental protection type tail gas treatment equipment for chemical production according to any one of claims 1 to 4, characterized by comprising the following steps;
step one: the cover plate (2) is arranged on the upper end surface of the purifying cylinder (1);
step two: starting a servo motor (51) and injecting chemical waste gas into the purifying tank (3) through the gas inlet pipe (591) and the gas outlet pipe (592) under the cooperation of the transmission mechanism (5) to primarily purify the chemical waste gas;
step three: under the cooperation of the transmission mechanism (5) and the spraying mechanism (6), the absorption liquid in the liquid supplementing box (61) can be sprayed out from the sprayer (64) through the connecting pipe (62) and the liquid outlet pipe (63) to purify the chemical waste gas again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210891736.7A CN115090102B (en) | 2022-07-27 | 2022-07-27 | Environment-friendly tail gas treatment equipment for chemical production and treatment method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210891736.7A CN115090102B (en) | 2022-07-27 | 2022-07-27 | Environment-friendly tail gas treatment equipment for chemical production and treatment method thereof |
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| Publication Number | Publication Date |
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| CN115090102A CN115090102A (en) | 2022-09-23 |
| CN115090102B true CN115090102B (en) | 2023-05-12 |
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| CN211245867U (en) * | 2019-12-05 | 2020-08-14 | 许巧贤 | Industrial boiler waste gas denitrification facility |
| CN112915854A (en) * | 2021-01-25 | 2021-06-08 | 朱雷城 | Waterproof coating processing and producing equipment for building keel external waterproofing |
| CN215539163U (en) * | 2021-04-13 | 2022-01-18 | 安徽华塑股份有限公司 | Filter-pressing purifier of carbide material production tail gas |
| CN113477034A (en) * | 2021-06-04 | 2021-10-08 | 陈改琴 | Environment-friendly coking exhaust treatment device |
| CN215782660U (en) * | 2021-07-20 | 2022-02-11 | 山东德浩化学有限公司 | High-efficient desulfurization dust remover |
| CN216537793U (en) * | 2021-12-29 | 2022-05-17 | 三门峡市宏达化工防腐设备有限公司 | Tail gas desulfurization treatment device for copper smelting electrodeposition tank |
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