CN112604479A - Chemical processing waste gas purification method - Google Patents
Chemical processing waste gas purification method Download PDFInfo
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- CN112604479A CN112604479A CN202011345993.8A CN202011345993A CN112604479A CN 112604479 A CN112604479 A CN 112604479A CN 202011345993 A CN202011345993 A CN 202011345993A CN 112604479 A CN112604479 A CN 112604479A
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- 239000002912 waste gas Substances 0.000 title claims abstract description 127
- 238000000746 purification Methods 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000012993 chemical processing Methods 0.000 title claims abstract description 14
- 239000000376 reactant Substances 0.000 claims abstract description 150
- 239000007788 liquid Substances 0.000 claims abstract description 146
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 100
- 238000006243 chemical reaction Methods 0.000 claims abstract description 79
- 238000005192 partition Methods 0.000 claims abstract description 59
- 239000007789 gas Substances 0.000 claims description 36
- 229920000742 Cotton Polymers 0.000 claims description 26
- 238000007667 floating Methods 0.000 claims description 24
- 238000010521 absorption reaction Methods 0.000 claims description 22
- 238000003860 storage Methods 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000001311 chemical methods and process Methods 0.000 claims 5
- 239000002699 waste material Substances 0.000 abstract description 7
- 230000036632 reaction speed Effects 0.000 abstract description 5
- 230000009471 action Effects 0.000 description 13
- 230000002035 prolonged effect Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 210000003437 trachea Anatomy 0.000 description 7
- 239000010419 fine particle Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 239000002894 chemical waste Substances 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010517 secondary reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
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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
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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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
- B01D53/14—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
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- Oil, Petroleum & Natural Gas (AREA)
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Abstract
The invention belongs to the technical field of chemical processing waste gas purification, and particularly relates to a chemical processing waste gas purification method, wherein a purification tower comprises a tower body; the inner wall of the tower body is fixedly connected with a first clapboard; the inner wall of the tower body above the first clapboard is fixedly connected with a circular ring; a conical block is arranged at the center of the circular ring; the middle part of the upper surface of the conical block is fixedly connected with a rotating pipe; the upper end of the rotating pipe is fixedly connected with a second clapboard; a rotary plate is fixedly connected to the rotary pipe above the second partition plate; the space in the tower body between the circular rings of the first clapboard is a first reaction cavity; the space in the tower body between the circular pipe and the second clapboard is a second reaction cavity; the space in the tower body above the second partition plate is a liquid inlet cavity; the invention takes air pressure as a power source, controls the amount of the reactant solution through the amount of the entering waste gas, avoids the waste of cost, forms water drops in the solution through air flow, increases the contact area with the waste gas, improves the reaction rate and accelerates the reaction speed.
Description
Technical Field
The invention belongs to the technical field of chemical processing waste gas purification, and particularly relates to a chemical processing waste gas purification method.
Background
Chemical waste gas refers to toxic and harmful waste gas discharged by chemical products in the chemical production process, the chemical waste gas often contains a great variety of pollutants, the physical and chemical properties are complex, the toxicity is different, the environment is seriously polluted and the human health is influenced, the chemical waste gas generally adopts a purification tower to treat the waste gas at present, but the purification rate and the purification speed of the traditional waste gas purification tower are low, and the using amount of a purified reactant solution cannot be accurately controlled.
Most of the existing chemical processing waste gas purification methods in the prior art adopt a purification tower to purify waste gas, the purification tower introduces waste gas to the bottom of the purification tower in the waste gas purification process, a reactant solution which can react with the waste gas is introduced to the top of the purification tower to realize the meeting of the reactant solution and the waste gas, the reaction and purification are carried out in the purification tower to realize the chemical purification reaction of the waste gas, the purification rate and the purification speed of the waste gas purification tower are low, the usage amount of the chemical reactant solution in a reaction cavity which is once introduced into the waste gas is too little to cause the incomplete purification of the waste gas in the reaction cavity, the waste gas in the reaction cavity is polluted by the air after being put into the atmosphere, the reactant solution is used excessively to cause the waste of the reactant solution, the purification cost is increased, the driving energy is increased due to the multiple times of the reactant solution, the operation is complicated, the cost, causing air pollution.
Disclosure of Invention
The invention provides a chemical processing waste gas purification method, which aims to make up for the defects of the prior art and solve the problems that a purification tower is complex in structure, low in purification rate and low in purification rate, and the use amount of a purified reactant solution cannot be accurately controlled.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a chemical processing waste gas purification method, which comprises the following steps:
s1: communicating an air inlet pipe of the purification tower with a waste gas source through a hose, selecting a corresponding reactant solution according to the type of waste gas, placing the reactant solution in a water tank, and communicating a water outlet of the water tank with a liquid inlet pipe of the purification tower through a pipeline;
s2: in the purification process of the purification tower, collecting redundant reactant solution at the positions of a first output liquid pipe and a second output liquid pipe of the purification tower, and filtering the reactant solution;
s3: carrying out chemical treatment on the redundant reactant solution after the filtration treatment in the S2, and then collecting the redundant reactant solution;
the purification tower in S1 comprises a tower body; the tower body is cylindrical; the bottom of the side wall of the tower body is fixedly connected with an air inlet pipe; one end of the air inlet pipe penetrates into the tower body, and the other end of the air inlet pipe is connected with waste gas; a first one-way valve is arranged in the air inlet pipe; the inner wall of the tower body is fixedly connected with a first clapboard; the first clapboard is positioned above the air inlet pipe; the first partition plate is circular and the center of the first partition plate is in an arc-shaped convex design; the space below the first partition plate in the tower body is an air inlet cavity; the middle part of the first clapboard is fixedly connected with an air duct; the air duct is communicated with the upper space and the lower space of the first clapboard; a first pressure valve is arranged in the gas guide pipe; the side wall of the air duct is provided with a first through hole; the first through hole is positioned above the first partition plate; the top of the air duct is fixedly connected with a cover cap; the cap is circular and is provided with an arc-shaped protrusion at the center; the side wall of the tower body is fixedly connected with a first output liquid pipe; the first output liquid pipe is obliquely designed downwards, and one end of the first output liquid pipe is positioned on the same horizontal line with the periphery of the first partition plate and is used for leading out the reactant solution on the upper surface of the first partition plate; a valve is arranged in the first output liquid pipe;
the inner wall of the tower body is fixedly connected with a circular ring; the circular ring is in an arc-shaped bent design from the outer periphery to the inner periphery; the circular ring is positioned above the first partition plate; the space in the tower body between the circular ring and the first partition plate is a first reaction cavity; one side of the circular ring, which is far away from the inner wall of the tower body, is fixedly connected with a rubber pad which is designed in an annular shape; a conical block is arranged in the tower body; the conical block is positioned in the circular ring, and the peripheral surface of the conical block is contacted with and extrudes the rubber pad; the conical block is made of light materials; the maximum diameter of the conical block is larger than the inner diameter of the circular ring; the side surface and the upper surface of the conical block are designed in an arc shape; the middle part of the upper surface of the conical block is fixedly connected with a rotating pipe; the rotating pipe is made of light materials; the inner wall of the tower body is fixedly connected with a second clapboard; the second partition plate is connected with the rotating pipe in a sliding mode, and the upper end of the rotating pipe penetrates through the second partition plate; the second baffle plate is positioned above the circular ring; the space in the tower body above the second partition plate is a liquid inlet cavity; the space in the tower body between the second partition plate and the circular ring is a second reaction cavity; the top of the second reaction chamber is fixedly connected with an output air pipe on the side wall of the tower body; the output air pipe is connected with the inside and the outside of the tower body; a second one-way valve is arranged in the output air pipe;
the surface of the rotating pipe above the second partition plate is fixedly connected with a rotating disc, and the lower surface of the rotating disc is tightly attached to the upper surface of the second partition plate when the rubber pad is extruded by the conical block; the diameter of the rotary disc is smaller than that of the second partition plate; the surface of the second partition plate is provided with second through holes which are uniformly distributed, and the second through holes are positioned right below the bottom of the rotary table; when the second partition board is tightly attached to the rotary disc, the second through hole is sealed through the rotary disc; the lower surface of the second partition plate is fixedly connected with a first water absorbing streamer; the first water absorbing ribbons and the second through holes are arranged in a one-to-one correspondence manner; the top of the side wall of the tower body is fixedly connected with a liquid inlet pipe; one end of the liquid inlet pipe penetrates into the tower body, and the other end of the liquid inlet pipe is communicated with a reactant solution; a third one-way valve is arranged in the liquid inlet pipe;
when the device works, waste gas enters the gas inlet cavity through the gas inlet pipe, reactant solution enters the liquid inlet cavity through the liquid inlet pipe, when the gas pressure in the gas inlet cavity reaches the rated value set by the opening of the first pressure valve, the first pressure valve is opened, the waste gas enters the first reaction cavity through the first through hole and continuously enters the first reaction cavity along with the waste gas, because the conical block and the rubber pad are tightly connected to play a sealing role, the air pressure in the first reaction chamber is continuously increased, so that the conical block moves upwards, when the conical block moves upwards, the waste gas enters the second reaction cavity through the gap between the conical block and the rubber pad, because the conical block drives the rotating pipe to move upwards in the upwards moving process, the rotating disc is driven to move upwards, and because the rotating disc moves upwards, therefore, the second through hole arranged on the second partition plate is opened, and the reactant solution enters the second reaction cavity through the second through hole and meets the waste gas to react, so that the waste gas is purified;
the conical block moves upwards through air pressure to drive the rotating pipe to move upwards, other driving energy sources are not used, the cost is saved, when the air pressure in the first reaction cavity is reduced, the conical block moves downwards under the action of gravity to drive the rotating pipe to move downwards, so that the rotating plate is driven to move downwards, the conical block moves downwards to be tightly attached to the rubber pad, the rubber pad plays a role of buffering to protect the conical block and prolong the service life of the conical block, and meanwhile, the rotating plate moves downwards to tightly attach the rotating plate to the second partition plate, so that the second through hole is sealed, and a reactant solution cannot enter the second reaction cavity;
during the up-and-down movement of the conical block, the reaction of the fixed amount of waste gas and the fixed amount of reactant solution is realized, the usage amount of the reactant solution is more accurately controlled, thereby avoiding the waste of the reactant solution, further saving the purification cost, the reaction solution enters the second reaction cavity through the second through hole during the opening process of the second through hole by moving the turntable to rise, the reactant solution is absorbed by the first water absorbing streamer, the reactant solution absorbed by the first water absorbing streamer is thrown out under the combined action of the air flow and the water flow because the air flow of the waste gas flows upwards and the reactant solution downwards, the contact area with the waste gas is increased, the reaction rate is increased, the water drops float downwards in a four-dispersion way and can absorb fine particles in the waste gas, the waste gas is further purified, and the purified waste gas is introduced into the atmosphere through the output air pipe, because the output trachea is equipped with the check valve, waste gas can only pass through output trachea output, and outside waste gas can't get into inside the tower body through the output trachea to avoid outside aggressive waste gas and granule to get into inside the tower body, keep the inside cleanness of tower body, increase purification tower's life.
Preferably, the circumference of the top of the arc-shaped side surface of the conical block is fixedly connected with second water absorbing ribbons which are uniformly distributed; the lower surface of the second water absorption streamer is fixedly connected with first water absorption cotton threads which are uniformly distributed; the second water absorbing streamer is folded on the upper surface of the circular ring in an initial state;
when in work, the second water absorption ribbon absorbs the reactant solution falling on the upper surface of the circular ring and transmits the reactant solution to the first water absorption cotton thread, because the waste gas enters the second reaction cavity through the gap between the conical block and the rubber pad, the waste gas flow drives the second water absorbing streamer and the first water absorbing cotton thread to drift upwards, so that the reactant solution on the first absorbent cotton thread is thrown out and falls to form water drops, thereby increasing the contact area with the waste gas, further increasing the reaction rate with the waste gas and the purification speed, because the second water absorbing ribbons absorb the reactant solution falling from the second through holes to the upper surface of the circular ring and react with the waste gas again to purify the waste gas, therefore, the reactant solution is subjected to secondary reaction, the utilization rate of the reactant solution is improved, the loss caused by incomplete reaction of the reactant solution is avoided, the use amount of the reactant solution is saved, and the investment of purification cost is reduced.
Preferably, the side wall of the tower body is fixedly connected with a second output liquid pipe in an inclined design; one end of the second liquid output pipe penetrates into the tower body, and the second liquid output pipe is communicated to the upper surface of the circular ring and used for guiding out the solution on the upper surface of the circular ring; the inner wall of the tower body is connected with a floating block in a sliding way; the floating block is designed corresponding to the second output liquid pipe and is positioned above the second output liquid pipe; the lower surface of the floating block is connected with a rubber ball through a pull rope; the diameter of the rubber ball is larger than that of the second output liquid pipe, and the rubber ball seals the second output liquid pipe in an initial state;
when the device works, the circular ring is designed to be curved upwards from the outer periphery to the inner periphery, so that the reactant solution falling on the upper surface of the circular ring flows to the bottom of the upper surface of the circular ring, when the reactant solution reaches a rated value, the floating block floats upwards under the action of buoyancy, the rubber ball is driven by the pull rope to move upwards, the second output liquid pipe is opened, the reactant solution is led out through the second output pipe, the reactant solution is prevented from overflowing out of the circular ring and impacting the conical block and entering the first reaction cavity through a gap between the conical block and the rubber pad to cause the reactant solution in the first reaction cavity to be accumulated, the utilization rate of the reactant solution is reduced, meanwhile, the speed of waste gas entering the second reaction cavity is reduced in the process that the reactant solution passes through the gap between the conical block and the rubber pad, the opening time length of the second through hole is prolonged, the quantity of the waste gas entering the second reaction cavity is reduced, and the quantity of, the utilization rate of the reactant solution is reduced, the cost is improved, and meanwhile, the switch of the second output liquid pipe is controlled by the floating block, so that fine particles absorbed and precipitated by the reactant solution falling on the upper surface of the circular ring are taken out of the tower body, the inner wall of the tower body is protected from being clean, and the service life of the purification tower is prolonged;
flow from second output liquid pipe when reactant solution, buoyancy descends to the floating block descends and drives the rubber ball decline, makes rubber ball and second output liquid pipe laminate again, plays sealed effect to second output liquid pipe, thereby the output of control reactant solution improves reactant solution's utilization ratio, practices thrift reactant solution's use amount, thereby practices thrift the cost.
Preferably, the second reaction chamber is internally provided with annular plates which are uniformly arranged up and down; the annular plates are fixedly connected with the rotating pipes; the outer ring and the inner ring of the annular plate are positioned on the same horizontal line, and the middle part of the annular plate is in an arc-shaped concave design; third through holes are uniformly distributed on the surface of the annular plate; the upper surface of the annular plate is fixedly connected with third water absorbing ribbons which are uniformly distributed;
when the device works, the reactant solution falls on the upper surface of the annular plate and is absorbed by the third water absorbing ribbons which are uniformly distributed, when waste gas passes through the third through hole, the air flow blows the third water absorbing ribbons, so that the third water absorbing ribbons wave, and the reactant solution absorbed by the third water absorbing ribbons wave away from the third water absorbing ribbons under the blowing of the air flow to form water drops, the contact area with the waste gas is increased, the reaction speed with the waste gas is increased, the purification speed is improved, the rotating pipe moves upwards to drive the circular ring to move upwards, the outer ring of the annular plate is contacted with the inner wall of the tower body, so that reactant solution liquid and attached fine particles attached to the inner wall of the tower body are cleaned, the waste of the reactant solution is avoided, the inner wall of the tower body is kept clean, the service life of the tower body is prolonged, the annular plate is uniformly distributed in the second reaction cavity, so that a multilayer purification cavity is formed, and the waste gas is purified for multiple times, thereby leading the waste gas to be completely purified and further increasing the purification rate of the purification tower to the waste gas.
Preferably, a liquid storage cavity is formed in the center of the conical block; the middle part of the upper surface of the conical block is provided with a first hole groove, and the first hole groove is connected with the inside of the rotating pipe and the liquid storage cavity; a second pressure valve is arranged in the first hole groove; arc-shaped grooves which are uniformly distributed are formed in the side surface of the conical block; the side surface of the conical block is fixedly connected with second water absorption cotton threads which are uniformly distributed and connected with the liquid storage cavity; the top of the rotating pipe is fixedly connected with a push block; a liquid bag is fixedly connected above the push block; the lower surface of the liquid sac is fixedly connected with liquid guide pipes which are uniformly distributed; a fourth one-way valve is arranged in the liquid guide pipe; the space between the top of the liquid bag and the inner wall of the top of the tower body is small; the liquid sac is communicated with the interior of the rotary pipe through a second hole groove; the liquid bag is filled with reactant solution in the initial state;
when the device works, the arc-shaped grooves are uniformly distributed on the side surface of the conical block, the waste gas air flow flows upwards, and passes through the arc-shaped grooves, when the air pressure reaches a value which enables the conical block to rise, the air flow drives the conical block to rotate and move upwards, so that the rotating pipe is driven to rotate and move upwards, the rotating plate is driven to rotate and move upwards, so that the rotating plate stirs the reactant solution, the precipitation of effective components in the reactant solution is prevented, the reaction effect of the reactant solution is poor, the reaction rate is reduced, the rotating pipe moves upwards, so that the push block is driven to move upwards, so that the liquid bag is driven to move upwards, when the liquid bag moves upwards, the interval between the liquid bag and the inner wall of the top of the tower body is small, so that the liquid bag is attached to the inner wall of the top of the tower body, so that the liquid bag is extruded by the push block and the inner wall of the tower body, when the, the waste gas enters the liquid storage cavity through the first hole groove, the second absorbent cotton thread absorbs the reactant solution, so that the waste gas reacts with the reactant solution adsorbed on the surface of the second absorbent cotton thread, the preliminary reaction and purification of the waste gas are realized, and simultaneously the residual waste gas in the first reaction cavity reacts, so that the waste gas is prevented from remaining, the corrosion of the waste gas to the inner wall of the tower body is prevented, and the service life of the purification tower is prolonged;
when stopping to the intracavity of admitting air conveying waste gas, make the intracavity air pressure of admitting air descend to make first pressure valve close, the air input of accurate control waste gas makes the intracavity air pressure of first reaction reduce, and the toper piece moves down, thereby makes the liquid bag relax, and the interior hydraulic pressure of liquid bag is low, thereby absorbs the liquid intracavity reactant solution, replenishes the reactant solution volume in the liquid bag, prepares for next time to exhaust purification.
Preferably, the surface of the side wall of the rotating pipe below the second partition plate is provided with fourth through holes which are uniformly distributed; the fourth through hole is designed to be inclined downwards from the middle part of the rotating pipe to the outside, and the fourth through hole is communicated with the inner space of the tower body and the inner space of the rotating pipe;
during operation, when the rotating pipe moves upwards in a rotating mode, reactant solution in the rotating pipe is thrown out through the fourth through hole under the action of centrifugal force to form water drops, the contact area between the reactant solution and gas is increased, the reaction speed is further increased, and the speed of the purifying tower is further increased.
The invention has the following beneficial effects:
1. according to the chemical processing waste gas purification method, the air inlet cavity, the first pressure valve, the conical block, the rotary pipe, the rotary table, the second partition plate and the second through hole are arranged, air pressure is used as a driving force, energy consumption is reduced, cost is saved, the amount of waste gas entering the reaction cavity is reasonably controlled through the first pressure valve, and the using amount of a reactant solution is controlled through linkage among the conical block, the rotary pipe and the rotary table.
2. According to the chemical processing waste gas purification method, the first water absorption streamer, the second water absorption streamer, the third water absorption streamer, the water absorption cotton thread and the fourth through hole are arranged, and under the action of force, reactant solutions absorbed by the first water absorption streamer, the second water absorption streamer, the third water absorption streamer and the water absorption cotton thread form water drops, so that the contact area with waste gas is increased, and the reaction rate is increased; under the action of the rotating force, the reactant solution forms water drops through the fourth through hole, the contact area of the reactant solution and the waste gas is increased, and the reaction rate is increased.
3. According to the chemical processing waste gas purification method, the annular plate, the floating block, the rubber ball and the second output liquid pipe are arranged, when the reactant solution is released too much, the floating block rises to drive the pull rope to pull the rubber ball to move upwards, the redundant reactant solution flows out through the second output liquid pipe, the solution reduces the falling of the floating block, the rubber ball and the second output liquid pipe are sealed again, the use amount of the reactant solution is controlled, and waste is avoided; reciprocate the tiny granule that clearance tower body inner wall adnexed drop of water and waste gas carried through the annular plate, the inside clean and tidy of protection tower body increases the life of tower body.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is a cross-sectional view of a purification column of the present invention;
FIG. 3 is a front view of a tapered block;
FIG. 4 is an enlarged view of a portion of FIG. 2 at A;
FIG. 5 is an enlarged view of a portion of FIG. 2 at B;
FIG. 6 is an enlarged view of a portion of FIG. 2 at C;
in the figure: a tower body 1, an air inlet cavity 2, a pressure valve 3, a first clapboard 4, a first through hole 5, an air duct 6, a cover cap 7, a first reaction cavity 8, a circular ring 9, a conical block 10, a liquid storage cavity 11, a first hole groove 12, an air inlet pipe 13, a second reaction cavity 14, an annular plate 15, a third through hole 16, a third water absorbing streamer 17, an output air pipe 18, a liquid inlet pipe 19, a fourth through hole 20, a first water absorbing streamer 21, a second through hole 22 and a turntable 23, the device comprises a second partition plate 24, a push block 25, a liquid guide pipe 26, a liquid bag 27, a liquid inlet cavity 28, a rotating pipe 29, a second water absorption streamer 30, a first water absorption cotton thread 31, a rubber ball 32, a pull rope 33, a floating block 34, an arc-shaped groove 35, a second water absorption cotton thread 36, a second hole groove 37, a first one-way valve 38, a first output liquid pipe 39, a second one-way valve 40, a third one-way valve 41, a rubber pad 42, a second output liquid pipe 43, a second pressure valve 44 and a fourth one-way valve 45.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 6, the method for purifying exhaust gas from chemical processing according to the present invention comprises the following steps:
s1: communicating an air inlet pipe 13 of the purification tower with a waste gas source through a hose, selecting a corresponding reactant solution according to the type of waste gas, placing the reactant solution in a water tank, and communicating a water outlet of the water tank with a liquid inlet pipe 19 of the purification tower through a pipeline;
s2: in the purification process of the purification tower, collecting redundant reactant solution at the positions of a first output liquid pipe 39 and a second output liquid pipe 43 of the purification tower, and filtering the reactant solution;
s3: carrying out chemical treatment on the redundant reactant solution after the filtration treatment in the S2, and then collecting the redundant reactant solution;
the purification tower in S1 comprises a tower body 1; the tower body 1 is cylindrical; the bottom of the side wall of the tower body 1 is fixedly connected with an air inlet pipe 13; one end of the air inlet pipe 13 penetrates into the tower body 1, and the other end of the air inlet pipe is connected with waste gas; a first one-way valve 38 is arranged in the air inlet pipe 13; the inner wall of the tower body 1 is fixedly connected with a first clapboard 4; the first baffle plate 4 is positioned above the air inlet pipe 13; the first partition plate 4 is circular and the center of the first partition plate is in an arc-shaped convex design; the space below the first partition plate 4 in the tower body 1 is an air inlet cavity 2; the middle part of the first clapboard 4 is fixedly connected with an air duct 6; the air duct 6 is communicated with the space at the upper side and the lower side of the first clapboard 4; a first pressure valve 3 is arranged in the gas guide pipe 6; the side wall of the air duct 6 is provided with a first through hole 5; the first through hole 5 is positioned above the first partition plate 4; the top of the gas guide tube 6 is fixedly connected with a cover cap 7; the cap 7 is circular and is provided with an arc-shaped bulge at the center; the side wall of the tower body 1 is fixedly connected with a first output liquid pipe 39; the first output liquid pipe 39 is designed to be inclined downwards, and one end of the first output liquid pipe is positioned on the same horizontal line with the circumference of the first partition plate 4 and is used for guiding out the reactant solution on the upper surface of the first partition plate 4; a valve is arranged in the first output liquid pipe 39;
the inner wall of the tower body 1 is fixedly connected with a circular ring 9; the circular ring 9 is in an arc-shaped bent design from the outer periphery to the inner periphery; the circular ring 9 is located above the first baffle 4; the space in the tower body 1 between the circular ring 9 and the first partition plate 4 is a first reaction chamber 8; one side of the circular ring 9, which is far away from the inner wall of the tower body 1, is fixedly connected with a rubber pad 42, and the rubber pad 42 is designed in an annular shape; a conical block 10 is arranged in the tower body 1; the conical block 10 is positioned in the circular ring 9, and the circumferential surface of the conical block 10 contacts and extrudes the rubber pad 42; the conical block 10 is made of light materials; the maximum diameter of the conical block 10 is larger than the inner diameter of the circular ring 9; the side surface and the upper surface of the conical block 10 are designed to be arc-shaped; the middle part of the upper surface of the conical block 10 is fixedly connected with a rotating pipe 29; the rotating pipe 29 is made of light materials; the inner wall of the tower body 1 is fixedly connected with a second clapboard 24; the second clapboard 24 is connected with the rotating pipe 29 in a sliding way, and the upper end of the rotating pipe 29 passes through the second clapboard 24; the second baffle plate 24 is located above the annular ring 9; the space in the tower body 1 above the second partition plate 24 is a liquid inlet cavity 28; the space in the tower body 1 between the second partition plate 24 and the circular ring 9 is a second reaction chamber 14; the top of the second reaction chamber 14 is fixedly connected with an output air pipe 18 on the side wall of the tower body 1; the output air pipe 18 is connected with the inside and the outside of the tower body 1; a second one-way valve 40 is arranged in the output air pipe 18;
the surface of the rotating pipe 29 above the second clapboard 24 is fixedly connected with the rotating disc 23, and the lower surface of the rotating disc 23 is tightly attached to the upper surface of the second clapboard 24 when the rubber pad 42 is extruded by the conical block 10; the diameter of the rotating disc 23 is smaller than that of the second partition plate 24; the surface of the second partition plate 24 is provided with second through holes 22 which are uniformly distributed, and the second through holes 22 are positioned right below the bottom of the turntable 23; when the second partition plate 24 is tightly attached to the rotary disc 23, the second through hole 22 is sealed by the rotary disc 23; the lower surface of the second clapboard 24 is fixedly connected with a first water absorbing streamer 21; the first water absorbing ribbons 21 and the second through holes 22 are arranged in a one-to-one correspondence manner; the top of the side wall of the tower body 1 is fixedly connected with a liquid inlet pipe 19; one end of the liquid inlet pipe 19 penetrates into the tower body 1, and the other end of the liquid inlet pipe is communicated with a reactant solution; a third one-way valve 41 is arranged in the liquid inlet pipe 19;
when the device works, waste gas enters the gas inlet cavity 2 through the gas inlet pipe 13, reactant solution enters the liquid inlet cavity 28 through the liquid inlet pipe 19, when the gas pressure in the gas inlet cavity 2 reaches a rated value set by opening the first pressure valve 3, the first pressure valve 3 is opened, the waste gas enters the first reaction cavity 8 through the first through hole 5, along with the continuous entering of the waste gas into the first reaction cavity 8, because the conical block 10 is tightly connected with the rubber pad to play a sealing role, the gas pressure in the first reaction cavity 8 is continuously increased, the conical block 10 moves upwards, when the conical block 10 moves upwards, the waste gas enters the second reaction cavity 14 through a gap between the conical block 10 and the rubber pad 42, because the conical block 10 moves upwards in the moving process, the rotating pipe 29 is driven to move upwards, the rotating disc 23 is driven to move upwards, because the rotating disc 23 moves upwards, the second through hole 22 arranged on the second partition plate 24 is opened, the reactant solution enters the second reaction cavity 14 through the second through, the waste gas meets the reaction, so that the waste gas is purified;
because the conical block 10 moves upwards through the air pressure to drive the rotating pipe 29 and move the rotating disc 23 upwards, other driving energy sources are not used, the cost is saved, when the air pressure in the first reaction chamber 8 is reduced, the conical block 10 moves downwards under the action of gravity to drive the rotating pipe 29 to move downwards, so that the rotating disc 23 is driven to move downwards, because the conical block 10 moves downwards and is tightly attached to the rubber pad 42, the rubber pad 42 plays a buffering role, the conical block 10 is protected, the service life of the conical block 10 is prolonged, and meanwhile, the rotating disc 23 moves downwards, the rotating disc 23 is tightly attached to the second partition plate 24, so that the second through hole 22 is sealed, and the reactant solution cannot enter the second reaction chamber 14;
during the up-and-down movement of the conical block 10, the reaction between the waste gas with a fixed amount and the reactant solution with a fixed amount is realized, the usage amount of the reactant solution is controlled more accurately, thereby avoiding the waste of the reactant solution, further saving the purification cost, the rotary disc 23 moves, the reactant solution enters the second reaction chamber 14 through the second through hole 22 when the second through hole 22 is opened, the first water absorbing streamer 21 absorbs the reactant solution, the reactant solution absorbed by the first water absorbing streamer 21 is thrown out due to the downward flow of the waste gas to the reactant solution, the first water absorbing streamer 21 is floated under the combined action of the air flow and the water flow, so as to form the four downward water flows and fine water drops, thereby increasing the contact area with the waste gas, increasing the reaction rate, as the water drops float down, the fine particles in the waste gas can be absorbed, and the purification rate of the waste gas can be increased, after purifying waste gas lets in the atmosphere through output trachea 18, because be equipped with the check valve in the output trachea 18, waste gas can only pass through output trachea 18 output, and outside waste gas can't get into inside tower body 1 through output trachea 18 to avoid outside aggressive waste gas and granule to get into inside tower body 1, keep the inside cleanness of tower body 1, increase the life of purifying column.
As an embodiment of the invention, the top circumference of the arc-shaped side surface of the conical block 10 is fixedly connected with second water absorbing ribbons 30 which are uniformly distributed; the lower surface of the second water absorption streamer 30 is fixedly connected with first water absorption cotton threads 31 which are uniformly distributed; the second water absorbing streamer 30 is folded on the upper surface of the circular ring 9 in the initial state;
when the device works, the second water absorbing streamer 30 absorbs the reactant solution falling on the upper surface of the circular ring 9 and transmits the reactant solution to the first water absorbing cotton thread 31, and the waste gas enters the second reaction cavity 14 through the gap between the conical block 10 and the rubber pad 42, so that the waste gas air flow drives the second water absorbing streamer 30 and the first water absorbing cotton thread 31 to float upwards, and the reactant solution on the first water absorbing cotton thread 31 is thrown out and floats to form water drops, thereby increasing the contact area with the waste gas, further increasing the reaction rate with the waste gas and the purification speed, and because the second water absorbing streamer 30 absorbs the reactant solution falling on the upper surface of the circular ring 9 from the second through hole 22 and reacts with the waste gas again to purify the waste gas, the reactant solution reacts for the second time, the utilization rate of the reactant solution is improved, the loss caused by the incomplete reaction of the reactant solution is avoided, and the usage amount of the reactant solution is saved, thereby reducing the investment of purification cost.
As an embodiment of the invention, a second liquid outlet pipe 43 in an inclined design is fixedly connected to the side wall of the tower body 11; one end of the second liquid output pipe 43 penetrates into the tower body 1, and the second liquid output pipe 43 is communicated to the upper surface of the circular ring 9 and used for guiding out the solution on the upper surface of the circular ring 9; the inner wall of the tower body 1 is connected with a floating block 34 in a sliding way; the floating block 34 is designed corresponding to the second output liquid pipe 43, and the floating block 34 is located above the second output liquid pipe 43; the lower surface of the floating block 34 is connected with a rubber ball 32 through a pull rope 33; the diameter of the rubber ball 32 is larger than that of the second output liquid pipe 43, and the rubber ball 32 seals the second output liquid pipe 43 in an initial state;
when the reactor works, because the circular ring 9 is designed to be curved upwards in an arc shape from the outer periphery to the inner periphery, the reactant solution falling on the upper surface of the circular ring 9 flows to the bottom of the upper surface of the circular ring 9, when the reactant solution reaches a rated value, the floating block 34 floats upwards under the action of buoyancy, the rubber ball 32 is driven by the pull rope 33 to move upwards, the second output liquid pipe 43 is opened, the reactant solution is led out through the second output liquid pipe 43, the reactant solution is prevented from overflowing the circular ring 9 and impacting the conical block 10 and enters the first reaction cavity 8 through the gap between the conical block 10 and the rubber pad 42, the reactant solution in the first reaction cavity 8 is accumulated, the utilization rate of the reactant solution is reduced, meanwhile, the speed of waste gas entering the second reaction cavity 14 is reduced in the process of the reactant solution passing through the gap between the conical block 10 and the rubber pad 42, the opening time of the second through hole 22 is prolonged, the amount of the waste gas entering the second reaction cavity 22 is reduced, the amount of the reactant solution entering the second reaction cavity 22 is increased, the utilization rate of the reactant solution is reduced, the cost is improved, and meanwhile, the floating block 34 controls the opening and closing of the second output liquid pipe 43, so that fine particles absorbed and precipitated by the reactant solution falling on the upper surface of the circular ring 9 are taken out of the tower body 1, the inner wall of the tower body 1 is protected from being clean, and the service life of the purification tower is prolonged;
when the reactant solution flows out from the second output liquid pipe 43, the buoyancy descends, so that the floating block 34 descends to drive the rubber ball 32 to descend, the rubber ball 32 and the second output liquid pipe 43 are attached again, the second output liquid pipe 43 is sealed, the output quantity of the reactant solution is controlled, the utilization rate of the reactant solution is improved, the use amount of the reactant solution is saved, and the cost is saved.
As an embodiment of the present invention, an annular plate 15 is disposed in the second reaction chamber 14 and is uniformly arranged up and down; the annular plates 15 are fixedly connected with the rotating pipes 29; the outer ring and the inner ring of the annular plate 15 are positioned on the same horizontal line, and the middle part of the annular plate 15 is designed in an arc concave shape; third through holes 16 are uniformly distributed on the surface of the annular plate 15; the upper surface of the annular plate 15 is fixedly connected with third water absorbing ribbons 17 which are uniformly arranged;
when the device works, the reactant solution falls on the upper surface of the annular plate 15 and is absorbed by the third water absorbing ribbons 17 which are uniformly distributed, when the waste gas passes through the third through hole 16, the air flow blows the third water absorbing ribbons 17, so that the third water absorbing ribbons 17 wave, the reactant solution absorbed by the third water absorbing ribbons 17 is separated from the third water absorbing ribbons 17 under the blowing of the air flow to form water drops, the contact area with the waste gas is increased, the reaction speed with the waste gas is increased, the purification speed is improved, the outer ring of the annular plate 15 is contacted with the inner wall of the tower body 1 due to the fact that the rotating pipe 29 moves upwards to drive the circular ring 9 to move upwards, the reactant solution liquid and attached fine particles on the inner wall of the tower body 1 are cleaned, waste of the reactant solution is avoided, the inner wall of the tower body 1 is kept clean, the service life of the tower body 1 is prolonged, and the annular plate 15 is uniformly distributed in the second reaction cavity 14, thereby form multilayer purification chamber, purify waste gas many times to make waste gas purification complete, more increased the purifying column to the purification rate of waste gas.
As an embodiment of the invention, a liquid storage cavity 11 is formed in the center of the conical block 10; a first hole groove 12 is formed in the middle of the upper surface of the conical block 10, and the first hole groove 12 is connected with the interior of the rotating pipe 29 and the liquid storage cavity 11; a second pressure valve 44 is arranged in the first hole groove 12; the side surface of the conical block 10 is provided with arc-shaped grooves 35 which are uniformly distributed; the side surface of the conical block 10 is fixedly connected with second absorbent cotton threads 36 which are uniformly distributed, and the second absorbent cotton threads 36 are connected with the liquid storage cavity 11; the top of the rotating pipe 29 is fixedly connected with a push block 25; a liquid bag 27 is fixedly connected above the push block 25; the lower surface of the liquid sac 27 is fixedly connected with liquid guide pipes 26 which are uniformly distributed; a fourth one-way valve 45 is arranged in the liquid guide pipe; the space between the top of the liquid bag 27 and the inner wall of the top of the tower body 1 is small; the liquid sac 27 is communicated with the interior of the rotary pipe 29 through a second hole groove 37; the liquid bag 27 is filled with a reactant solution in the initial state;
when the device works, as the arc-shaped grooves 35 are uniformly distributed on the side surface of the conical block 10, the waste gas air flow flows upwards, and passes through the arc-shaped grooves 35, when the air pressure reaches a value that the conical block 10 rises, the air flow drives the conical block 10 to rotate upwards, thereby driving the rotating pipe 29 to rotate upwards, thereby driving the rotating disc 23 to rotate upwards, thereby realizing that the rotating disc 23 stirs the reactant solution, preventing the effective components in the reactant solution from precipitating, leading the reaction effect of the reactant solution to be poor, reducing the reaction rate, as the rotating pipe 29 moves upwards, thereby driving the push block 25 to move upwards, thereby driving the liquid bag 27 to move upwards, when the liquid bag 27 moves upwards, the interval between the liquid bag 27 and the inner wall of the top of the tower body 1 is small, leading the liquid bag 27 to be attached to the inner wall of the top of the tower body 1, thereby leading the liquid bag 27 to be extruded by the push block 25 and the inner wall of the tower body 1, when, so that the reactant solution in the liquid bag 27 enters the rotary pipe 29 through the second hole groove 37 and enters the liquid storage cavity 11 through the first hole groove 12, the second absorbent cotton thread 36 absorbs the reactant solution, and the waste gas reacts with the reactant solution adsorbed on the surface of the second absorbent cotton thread 36, so that the waste gas is primarily reacted and purified and simultaneously the residual waste gas in the first reaction cavity 8 is reacted, thereby preventing the waste gas from remaining, preventing the waste gas from corroding the inner wall of the tower body 1 and prolonging the service life of the purification tower;
when the waste gas is stopped being conveyed into the gas inlet cavity 2, the air pressure in the gas inlet cavity 2 is reduced, so that the first pressure valve 3 is closed, the air inflow of the waste gas is accurately controlled, the air pressure in the first reaction cavity 8 is reduced, the conical block 10 moves downwards, the liquid bag 27 is loosened, the hydraulic pressure in the liquid bag 27 is low, the reactant solution in the liquid inlet cavity 28 is absorbed, the reactant solution amount in the liquid bag 27 is supplemented, and the preparation is made for next waste gas purification.
As an embodiment of the present invention, the side wall surface of the rotating pipe 29 below the second partition plate 24 is provided with uniformly arranged fourth through holes 20; the fourth through hole 20 is designed to be inclined downwards from the middle part of the rotating pipe 29 to the outside, and the fourth through hole 20 is communicated with the inner space of the tower body 1 and the inner space of the rotating pipe 29;
during operation, when the rotating pipe 29 moves upwards in a rotating mode, the reactant solution in the rotating pipe 29 is thrown out through the fourth through hole 20 under the action of centrifugal force to form water drops, the contact area between the reactant solution and waste gas is increased, the reaction speed is further increased, and the speed of the purifying tower is further increased.
The specific working process is as follows:
when in work: the reactant solution enters the liquid inlet cavity 28 through the liquid inlet pipe 19, the waste gas enters the gas inlet cavity 2 through the gas inlet pipe 13, when the gas pressure in the gas inlet cavity 2 reaches a rated value, the first pressure valve 3 is opened, thereby controlling the gas inflow of the waste gas, the waste gas enters the first reaction cavity 8 through the first through hole 5, the gas flow enters the first reaction cavity 8 to ascend, when the gas pressure in the first reaction cavity 8 reaches the rated value, the gas flow enters the second reaction cavity 14 through the arc-shaped groove 35 outside the conical block 10 to push the conical block 10 upwards in a spiral manner, the fixedly connected rotating pipe 29 is driven to rotate and move upwards, the rotating disc 23 rotates along with the rotating pipe 29 to move upwards, the rotating disc 23 is separated from the second partition plate 24, the reactant solution in the liquid inlet cavity 28 enters the second reaction cavity 14 through the second through hole 22, the first water absorbing float 21 absorbs the reactant solution and floats under the combined action of the gas flow and the water flow, so that the reactant solution absorbed by the first water absorbing, the reactant solution falling on the upper surface of the circular ring 9 is blown off to form water drops and react with the contacted waste gas, the reactant solution falls on the upper surface of the annular plate 15 and is absorbed by the third water absorbing float strip 17, the waste gas flows upwards through the third through hole 16 to blow the third water absorbing float strip 17 to make the reactant solution absorbed by the second water absorbing float strip 30 to form water drops and react with the encountered waste gas, the reactant solution falling on the upper surface of the circular ring 9 is absorbed by the second water absorbing float strip 30 and the first absorbent cotton thread 31, the reactant solution absorbed by the second water absorbing float strip 30 and the first absorbent cotton thread 31 is blown off to form water drops and react with the contacted waste gas under the blowing of the air flow, when the redundant reactant solution reaches a rated value, the floating block 34 floats upwards under the action of the floating force when the reactant solution reaches the rated value, the floating block 34 pulls the rubber ball 32 upwards through the pulling rope 33, the reactant solution is led out through the second output liquid pipe 43, the liquid falling on the first partition plate 4 is led out through the first output liquid pipe 39, the rotating pipe 29 moves upwards, so that the pushing block 25 pushes the liquid bag 27 to be contacted with the inner wall of the top of the tower body 1, the pressure in the liquid bag 27 extruded by the pushing block 25 and the inner wall of the top of the tower body 1 is increased, the second pressure valve 44 is opened, the reactant solution in the liquid bag 27 enters the rotating pipe 29 through the second hole groove 37, the rotating pipe 29 rotates upwards and rises, the reactant solution in the rotating pipe 29 is thrown out of the rotating pipe 29 through the fourth through hole 20 under the action of centrifugal force to form water beads, the contact area with the waste gas is increased, the waste gas is stopped to be conveyed to the gas inlet cavity 2, the pressure in the first reaction cavity 8 is reduced, the conical block 10 descends, the rotating pipe 29 and the pushing block 10 move downwards, the liquid bag 27 is not extruded, the hydraulic pressure in the liquid bag 27 is reduced, the reactant solution in the liquid inlet cavity 28 is absorbed, the reactant solution in, the second absorbent cotton 36 absorbs the reactant solution, and the exhaust gas reacts with the reactant solution absorbed on the surface of the second absorbent cotton 36 to purify the remaining exhaust gas.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A chemical processing waste gas purification method is characterized in that: the method comprises the following steps:
s1: an air inlet pipe (13) of the purification tower is communicated with a waste gas source through a hose, a corresponding reactant solution is selected according to the type of waste gas, the reactant solution is placed in a water tank, and a water outlet of the water tank is communicated with a liquid inlet pipe (19) of the purification tower through a pipeline;
s2: in the purification process of the purification tower, collecting redundant reactant solution at the positions of a first output liquid pipe (39) and a second output liquid pipe (43) of the purification tower, and filtering the reactant solution;
s3: carrying out chemical treatment on the redundant reactant solution after the filtration treatment in the S2, and then collecting the redundant reactant solution;
the purification tower in S1 comprises a tower body (1), wherein the tower body (1) is cylindrical; the bottom of the side wall of the tower body (1) is fixedly connected with an air inlet pipe (13); one end of the air inlet pipe (13) penetrates into the tower body (1) and is designed, and the other end of the air inlet pipe is connected with waste gas; a first one-way valve (38) is arranged in the air inlet pipe (13); the inner wall of the tower body (1) is fixedly connected with a first clapboard (4); the first clapboard (4) is positioned above the air inlet pipe (13); the first partition plate (4) is circular and the center of the first partition plate is in an arc-shaped convex design; the space below the first partition plate (4) in the tower body (1) is an air inlet cavity (2); the middle part of the first clapboard (4) is fixedly connected with an air duct (6); the air duct (6) is communicated with the upper space and the lower space of the first clapboard (4); a pressure air valve (3) is arranged in the air duct (6); the side wall of the air duct (6) is provided with a first through hole (5); the first through hole (5) is positioned above the first partition plate (4); the top of the air duct (6) is fixedly connected with a cap (7); the cap (7) is circular and is provided with an arc-shaped bulge at the center; the side wall of the tower body (1) is fixedly connected with a first output liquid pipe (39); the first output liquid pipe (39) is designed to be inclined downwards, and one end of the first output liquid pipe and the periphery of the first partition plate (4) are positioned on the same horizontal line and used for leading out the reactant solution on the upper surface of the first partition plate (4); a valve is arranged in the first output liquid pipe (39); the inner wall of the tower body (1) is fixedly connected with a circular ring (9); the circular ring (9) is in an arc-shaped bent design from the outer periphery to the inner periphery; the circular ring (9) is positioned above the first partition plate (4); the space in the tower body (1) between the circular ring (9) and the first partition plate (4) is a first reaction cavity (8); one side of the circular ring (9) far away from the inner wall of the tower body (1) is fixedly connected with rubber (42), and the rubber pad (42) is designed in an annular shape; a conical block (10) is arranged in the tower body (1); the conical block (10) is positioned in the circular ring (9), and the peripheral surface of the conical block (10) is in contact with and extrudes the rubber gasket (42); the conical block (10) is made of light materials; the maximum diameter of the conical block (10) is larger than the inner diameter of the circular ring (9); the side surface and the upper surface of the conical block (10) are designed in an arc shape; the middle part of the upper surface of the conical block (10) is fixedly connected with a rotating pipe (29); the rotating pipe (29) is made of light materials; the inner wall of the tower body (1) is fixedly connected with a second clapboard (24); the second partition plate (24) is connected with the rotating pipe (29) in a sliding manner, and the upper end of the rotating pipe (29) penetrates through the second partition plate (24); the second baffle plate (24) is located above the annular ring (9); the space in the tower body (1) above the second partition plate (24) is a liquid inlet cavity (28); the space in the tower body (1) between the second clapboard (24) and the circular ring (9) is a second reaction cavity (14); the top of the second reaction chamber (14) is fixedly connected with an output air pipe (18) on the side wall of the tower body (1); the output air pipe (18) is connected with the inside and the outside of the tower body (1); a second one-way valve (40) is arranged in the output air pipe (18); the surface of the rotating pipe (29) above the second partition plate (24) is fixedly connected with a rotating disc (23), and the lower surface of the rotating disc (23) is tightly attached to the upper surface of the second partition plate (24) when the rubber pad (42) is extruded by the conical block (10); the diameter of the rotary disc (23) is smaller than that of the second partition plate (24); second through holes (22) are uniformly formed in the surface of the second partition plate (24), and the second through holes (22) are located right below the bottom of the rotary table (23); when the second partition plate (24) is tightly attached to the rotary disc (23), the second through hole (22) is sealed through the rotary disc (23); the lower surface of the second clapboard (24) is fixedly connected with a first water absorbing streamer (21); the first water absorbing ribbons (21) and the second through holes (22) are arranged in a one-to-one correspondence manner; the top of the side wall of the tower body (1) is fixedly connected with a liquid inlet pipe (19); one end of the liquid inlet pipe (19) penetrates into the tower body (1), and the other end of the liquid inlet pipe is communicated with a reactant; and a third one-way valve (41) is arranged in the liquid inlet pipe (19).
2. A method of purifying exhaust gas from a chemical process according to claim 1, wherein: the top circumference of the arc-shaped side surface of the conical block (10) is fixedly connected with second water absorbing ribbons (30) which are uniformly distributed; the lower surface of the second water absorption streamer (30) is fixedly connected with first water absorption cotton threads (31) which are uniformly distributed; the second water absorbing streamer (30) is folded on the surface of the circular ring (9) in the initial state.
3. A method of purifying exhaust gas from a chemical process according to claim 1, wherein: the side wall of the tower body (1) is fixedly connected with a second output liquid pipe (43) which is designed in an inclined manner; one end of the second liquid output pipe (43) penetrates into the tower body (1) and is designed, and the second liquid output pipe (43) is communicated to the upper surface of the circular ring (9) and used for guiding out the solution on the upper surface of the circular ring (9); the inner wall of the tower body (1) is connected with a floating block (34) in a sliding way; the floating block (34) and the second output liquid pipe (43) are designed correspondingly, and the floating block (34) is positioned above the second output liquid pipe (43); the lower surface of the floating block (34) is connected with a rubber ball (32) through a pull rope (33); the diameter of the rubber ball (32) is larger than that of the second output liquid pipe (43), and the rubber ball (32) seals the second output liquid pipe (43) in an initial state.
4. A method of purifying exhaust gas from a chemical process according to claim 1, wherein: annular plates (15) which are uniformly arranged up and down are arranged in the second reaction cavity (14); the annular plates (15) are fixedly connected with the rotating pipes (29); the outer ring and the inner ring of the annular plate (15) are positioned on the same horizontal line, and the middle part of the annular plate (15) is in an arc concave design; third through holes (16) are uniformly distributed on the surface of the annular plate (15); and the upper surface of the annular plate (15) is fixedly connected with third water absorbing ribbons (17) which are uniformly arranged.
5. A method of purifying exhaust gas from a chemical process according to claim 1, wherein: a liquid storage cavity (11) is formed in the center of the conical block (10); a first hole groove (12) is formed in the middle of the upper surface of the conical block (10), and the first hole groove (12) is connected with the interior of the rotating pipe (29) and the liquid storage cavity (11); a pressure valve (44) is arranged in the first hole groove (12); arc-shaped grooves (35) which are uniformly distributed are formed in the side surface of the conical block (10); the side surface of the conical block (10) is fixedly connected with second water absorption cotton threads (36) which are uniformly distributed, and the second water absorption cotton threads (36) are connected with the liquid storage cavity (11); the top of the rotating pipe (29) is fixedly connected with a push block (25); a liquid bag (27) is fixedly connected above the push block (25); the lower surface of the liquid sac (27) is fixedly connected with evenly distributed liquid guide pipes (26); a fourth one-way valve (15) is arranged in the liquid guide pipe (26); the liquid sac (27) is communicated with the interior of the rotating pipe (29) through a second hole groove (37); the sac (27) is filled with a reactant solution in the initial state.
6. A chemical process exhaust gas purification method according to claim 5, wherein: the side wall surface of the rotating pipe (29) below the second partition plate (24) is provided with fourth through holes (20) which are uniformly distributed; the fourth through hole (20) is designed to be inclined downwards from the middle part of the rotating pipe (29) to the outside, and the fourth through hole (20) is communicated with the inner space of the tower body (1) and the inner space of the rotating pipe (29).
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| CN113499597A (en) * | 2021-07-17 | 2021-10-15 | 海南富山油气化工有限公司 | Benzene production device and use method thereof |
| CN114100339A (en) * | 2021-11-09 | 2022-03-01 | 徐作元 | Desulfurization and denitrification integrated desulfurization tower |
| CN114686283A (en) * | 2022-04-25 | 2022-07-01 | 刘昕怡 | Purification and separation system of natural gas |
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| CN110368791A (en) * | 2019-08-06 | 2019-10-25 | 王亚威 | A kind of industrial waste gas purifying technique |
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| CN113318583A (en) * | 2021-04-30 | 2021-08-31 | 郭建成 | Biomass fuel's SOx/NOx control system |
| CN113385009A (en) * | 2021-05-18 | 2021-09-14 | 郭建成 | Combustion flue gas desulfurization and denitrification tower |
| CN113385009B (en) * | 2021-05-18 | 2024-02-02 | 朝阳市宏晟机械制造有限公司 | Combustion flue gas desulfurization and denitrification tower |
| CN113499597A (en) * | 2021-07-17 | 2021-10-15 | 海南富山油气化工有限公司 | Benzene production device and use method thereof |
| CN114100339A (en) * | 2021-11-09 | 2022-03-01 | 徐作元 | Desulfurization and denitrification integrated desulfurization tower |
| CN114686283A (en) * | 2022-04-25 | 2022-07-01 | 刘昕怡 | Purification and separation system of natural gas |
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