CN116328520A - Waste gas treatment device for carbon neutralization - Google Patents

Waste gas treatment device for carbon neutralization Download PDF

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Publication number
CN116328520A
CN116328520A CN202310124209.8A CN202310124209A CN116328520A CN 116328520 A CN116328520 A CN 116328520A CN 202310124209 A CN202310124209 A CN 202310124209A CN 116328520 A CN116328520 A CN 116328520A
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China
Prior art keywords
filter
neutralization
pipe
air inlet
wall
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CN202310124209.8A
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Chinese (zh)
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CN116328520B (en
Inventor
冉世松
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Wanlvguyi Agricultural Consulting Service Heyuan City Co ltd
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Wanlvguyi Agricultural Consulting Service Heyuan City Co ltd
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Publication of CN116328520A publication Critical patent/CN116328520A/en
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B01D33/11—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for outward flow filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42—Auxiliary equipment or operation thereof
    • B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
    • 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
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
    • B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
    • 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
    • B01D53/46—Removing components of defined structure
    • B01D53/62—Carbon oxides
    • 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
    • B01D53/96—Regeneration, reactivation or recycling of reactants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/40—Alkaline earth metal or magnesium compounds
    • B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/60—Inorganic bases or salts
    • B01D2251/604—Hydroxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/02—Other waste gases

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention discloses an exhaust gas treatment device for carbon neutralization, which comprises a neutralization tank, an air inlet channel and an exhaust gas discharge port, wherein the neutralization tank is internally provided with a neutralization reagent, the air inlet channel is used for connecting the neutralization tank with the outside, and the joint of the air inlet channel and the neutralization tank is positioned below the liquid level of the neutralization reagent; the filter screen is arranged in the air inlet channel; the cleaning component is arranged on the air inlet channel and is used for cleaning the filter screen; a discharge pipe connected to the top of the neutralization tank for discharging the gas. According to the invention, through the cooperation between the structures, when the waste gas passes through the air inlet channel, the filter screen arranged in the waste gas can filter impurities such as smoke dust in the waste gas, so that the waste gas is prevented from being influenced by the fact that the waste gas is introduced into the neutralization tank, and meanwhile, the filter screen can be cleaned under the action of the cleaning assembly, and the air circulation is prevented from being influenced by the fact that the filter screen is blocked by the impurities under the filtering.

Description

Waste gas treatment device for carbon neutralization
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to a waste gas treatment device for carbon neutralization.
Background
Carbon neutralization refers to the total emission amount of carbon dioxide or greenhouse gases generated by countries, enterprises, products, activities or individuals directly or indirectly in a certain time, and the carbon dioxide or greenhouse gas emission generated by the countries, enterprises, products, activities or individuals is offset by modes of tree planting, energy conservation, emission reduction and the like, so that positive and negative offset is realized, and the purpose of relatively zero emission is achieved.
In the prior art, some of the carbon dioxide emissions are generated by combustion of chemical fuels, such as thermal power and coal combustion, and in order to reduce the amount of carbon dioxide emitted from a room gas such as the isothermal chamber, the exhaust gas generated by the combustion is generally treated and then discharged into the atmosphere, for example, chinese patent publication No. CN216498403U, which discloses an exhaust gas treatment device for carbon neutralization for easy maintenance, wherein the exhaust gas is introduced into a neutralizing agent, and the exhaust gas is neutralized by the neutralizing agent, so as to reduce the exhaust gas emission.
However, the exhaust gas generated by combustion is doped with impurities such as smoke dust, floating ash, etc., and if the exhaust gas is directly introduced into the neutralizing agent, the doped impurities may affect the use of the neutralizing agent, and the neutralizing tank for the reaction is difficult to clean.
Disclosure of Invention
The present invention is directed to an exhaust gas treatment device for carbon neutralization, which solves at least one technical problem of the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: an exhaust gas treatment device for carbon neutralization, comprising a neutralization tank, wherein a neutralization reagent is contained in the neutralization tank, and the exhaust gas treatment device further comprises:
the air inlet channel is used for connecting the neutralization tank with an external exhaust gas discharge port, and the joint of the air inlet channel and the neutralization tank is positioned below the liquid level of the neutralization reagent;
the filter screen is arranged in the air inlet channel;
the cleaning component is arranged on the air inlet channel and is used for cleaning the filter screen;
a discharge pipe connected to the top of the neutralization tank for discharging the gas.
Preferably, the filter further comprises a circulating filter assembly, wherein the circulating filter assembly comprises a fixed cylinder which is arranged side by side with the neutralization tank, a rotatable filter cylinder is arranged on the inner wall of the fixed cylinder, the filter cylinder is horizontally arranged, and a filter hole is formed in the annular outer wall of the filter cylinder;
the utility model discloses a neutralization tank, including fixed cylinder, neutralizing tank, drain pipe, pump, water pump, neutralizing tank's bottom and fixed cylinder between the intercommunication has the drain pipe, the drain pipe lets in the cartridge filter, the bottom of fixed cylinder and neutralizing tank are close to the outer wall intercommunication at top have the liquid return pipe, just install the water pump on the liquid return pipe.
Preferably, the air inlet channel comprises an air delivery pipe and an air inlet pipe which are coaxially arranged, the air delivery pipe is communicated with an external waste gas discharge port, and the air inlet pipe is communicated with the neutralization tank;
holes are formed in the two side walls of the fixed cylinder, the air pipe and the air inlet pipe are respectively fixed in the two holes, the air pipe and the filter cylinder are eccentrically arranged, the filter screen is fixedly arranged in the air inlet pipe, the cleaning assembly is arranged between the air inlet pipe and the filter box, and the air pipe is communicated with the air inlet pipe in a sealing mode.
Preferably, the clean subassembly is including rotating the rose box of connection between gas-supply pipe and intake pipe, the intercommunicating pore has all been seted up to the both sides outer wall of rose box, the inner wall sliding connection of rose box has the sliding plate, just the sliding plate contacts with the plane of filter screen, the both sides outer wall of sliding plate all is fixed with the sleeve pipe that wears out outside the rose box, two the equal sliding connection of sheathed tube inner wall has the telescopic link, just be connected with the spring between telescopic link and the sheathed tube inner wall, two the one end that the rose box was kept away from to the telescopic link is all rotated and is connected the inner wall at the cartridge filter.
Preferably, a spiral plate is fixed in the communication hole between the filter box and the air pipe, extends into the air pipe and contacts with the inner wall of the air pipe.
Preferably, the cleaning assembly comprises an internal gear rotatably arranged between the air delivery pipe and the air inlet pipe, a through hole is formed in the middle of the internal gear, a scraper contacted with the plane of the filter screen is fixed on the inner wall of the through hole, a ring gear is fixed on the inner wall of the filter cartridge, and the ring gear is meshed with the internal gear.
Preferably, the side wall of the fixed cylinder is provided with a hole, a discharge groove extending upwards into the fixed cylinder is fixed in the hole, a scraper plate integrally formed with the discharge groove is further fixed on the discharge groove, and the scraper plate is in contact with the inner wall of the filter cylinder.
Preferably, the middle part of the neutralization tank is provided in an hourglass shape.
Preferably, the air inlet pipe is obliquely communicated with the neutralization tank, the communicating part is positioned below the sand leakage hole, and the diameter of a section of the air inlet pipe, which is close to the neutralization tank, is gradually reduced.
Preferably, the outer ring of the filter cartridge is fixed with a driven gear, the outer wall of the fixed cartridge is rotatably provided with a driving gear meshed with the driven gear, and the driving gear is driven by a motor.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through the cooperation between the structures, when the waste gas passes through the air inlet channel, the filter screen arranged in the waste gas can filter impurities such as smoke dust in the waste gas, so that the waste gas is prevented from being influenced by the fact that the waste gas is introduced into the neutralization tank, and meanwhile, the filter screen can be cleaned under the action of the cleaning assembly, and the air circulation is prevented from being influenced by the fact that the filter screen is blocked by the filtered impurities;
2. the invention realizes continuous circulation of the aqueous solution and simultaneously separates the precipitate generated by the reaction by arranging the circulating filter assembly so as to ensure the treatment effect on the waste gas.
Drawings
FIG. 1 is a left side perspective view of a first embodiment of the present invention;
FIG. 2 is a right side perspective view of a first embodiment of the present invention;
FIG. 3 is a front view of a first embodiment of the present invention;
FIG. 4 is a left side view of a first embodiment of the present invention;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4 in accordance with the present invention;
FIG. 6 is a cross-sectional perspective view taken along line B-B of FIG. 4 in accordance with the present invention;
FIG. 7 is a cross-sectional view taken along line C-C of FIG. 4 in accordance with the present invention;
FIG. 8 is a cross-sectional view taken along line D-D of FIG. 7 in accordance with the present invention;
FIG. 9 is a cross-sectional view taken along E-E in FIG. 7 in accordance with the present invention;
FIG. 10 is a front cross-sectional view of a stationary barrel in accordance with a second embodiment of the present invention;
FIG. 11 is a cross-sectional view taken along line F-F in FIG. 10 in accordance with the present invention;
fig. 12 is a cut-away perspective view of the view of fig. 10 in accordance with the present invention.
In the figure: 1. a neutralization tank; 2. a fixed cylinder; 3. a gas pipe; 4. a liquid outlet pipe; 5. a liquid return pipe; 6. an air inlet pipe; 7. a discharge pipe; 8. a filter box; 9. a filter cartridge; 10. a discharge chute; 11. a filter screen; 12. a sliding plate; 13. a sleeve; 14. a telescopic rod; 15. a spring; 16. a spiral plate; 17. a driven gear; 18. a drive gear; 19. a scraper; 20. an internal gear; 21. a ring gear; 22. a scraper.
Description of the embodiments
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
Referring to fig. 1 to 9, the present invention provides a technical solution: an exhaust gas treatment device for carbon neutralization, comprising a neutralization tank 1, wherein a neutralization reagent is contained in the neutralization tank 1, and the exhaust gas treatment device further comprises:
the air inlet channel is used for connecting the neutralization tank 1 with an external exhaust gas discharge port, and the joint of the air inlet channel and the neutralization tank 1 is positioned below the liquid level of the neutralization reagent;
a filter screen 11 installed in the intake passage;
the cleaning component is arranged on the air inlet channel and is used for cleaning the filter screen 11;
a discharge pipe 7 connected to the top of the neutralization tank 1 for the discharge of the gas.
When the waste gas treatment device is used, a neutralizing agent is pre-stored in the neutralizing tank 1, an air inlet channel is connected with an external waste gas discharge port, waste gas generated by combustion is introduced into the neutralizing tank 1 through the air inlet channel, the waste gas is subjected to neutralization treatment through the neutralizing agent, the treated waste gas is discharged from a discharge pipe 7 above the neutralizing tank 1, if the waste gas meets the discharge condition, the waste gas can be directly discharged into the atmosphere, and if the waste gas does not meet the discharge condition, the waste gas can be further treated;
and in the above-mentioned in-process, when waste gas is through the inlet channel, its internally mounted's filter screen 11 can filter impurity such as smoke and dust in the waste gas, prevents that it from letting in and in 1 the processing that influences waste gas, simultaneously under clean subassembly's effect, can clean filter screen 11, prevents that impurity under the filtration from causing the jam to the filter screen and influencing the circulation of air.
In one of the preferred embodiments, the device further comprises a circulating filter assembly, wherein the circulating filter assembly comprises a fixed cylinder 2 which is arranged side by side with the neutralization tank 1, a rotatable filter cylinder 9 is arranged on the inner wall of the fixed cylinder 2, the filter cylinder 9 is horizontally arranged, and a filter hole is formed in the annular outer wall of the filter cylinder 9;
a liquid outlet pipe 4 is communicated between the bottom of the neutralization tank 1 and the fixed cylinder 2, the liquid outlet pipe 4 is led into a filter cylinder 9, the bottom of the fixed cylinder 2 is communicated with the outer wall of the neutralization tank 1, which is close to the top, of the neutralization tank 1, a liquid return pipe 5 is communicated, and a water pump is arranged on the liquid return pipe 5.
In the process of treating the waste gas, when the waste gas is treated by the neutralizing agent, the neutralizing agent mainly reacts greenhouse gas in the waste gas, namely carbon dioxide, so as to achieve the aim of carbon neutralization;
the neutralizing agent can be an aqueous solution of calcium hydroxide or other solvents which can react with carbon dioxide to generate precipitate, calcium carbonate and water can be generated through the reaction of the neutralizing agent and carbon dioxide, so that the carbon dioxide is converted into other substances for separation, the precipitate generated by the reaction is discharged into the fixed cylinder 2 along with the liquid outlet pipe 4 and is introduced into the filter cylinder 9, the precipitate is filtered and separated, meanwhile, the filter cylinder 9 can rotate under the driving of an external structure to further improve the filtering effect on the precipitate, and finally, the aqueous solution is replenished back into the neutralizing tank 1 through the liquid return pipe 5, so that the purpose of continuous circulation of the aqueous solution is achieved, and meanwhile, the precipitate generated by the reaction can be separated out during circulation, so that the treatment effect on waste gas is ensured, and the method can be particularly referred to as fig. 5.
In one of the preferred embodiments, the air inlet channel comprises an air delivery pipe 3 and an air inlet pipe 6 which are coaxially arranged, the air delivery pipe 3 is communicated with an external exhaust gas discharge port, and the air inlet pipe 6 is communicated with the neutralization tank 1;
holes are formed in two side walls of the fixed cylinder 2, the air pipe 3 and the air inlet pipe 6 are respectively fixed in the two holes, the air pipe 3 and the filter cylinder 9 are eccentrically arranged, the filter screen 11 is fixedly installed in the air inlet pipe 6, the cleaning assembly is installed between the air inlet pipe 6 and the filter box 8, and the air pipe 3 is communicated with the air inlet pipe 6 in a sealing mode.
When in air intake, external waste gas sequentially passes through the air pipe 3, the cleaning component and the air inlet pipe 6 and then enters the neutralization tank 1, and then the cleaning component cleans the filter screen 11 in the process;
notably, the cleaning assembly serves to sealingly communicate the air delivery conduit 3 with the air inlet conduit 6.
In one of the preferred embodiments, the cleaning assembly comprises a filter box 8 rotatably connected between the air pipe 3 and the air inlet pipe 6, communication holes are formed in the outer walls of two sides of the filter box 8, a sliding plate 12 is slidably connected to the inner wall of the filter box 8, the sliding plate 12 is in plane contact with a filter screen 11, sleeves 13 penetrating out of the filter box 8 are fixedly arranged on the outer walls of two sides of the sliding plate 12, telescopic rods 14 are slidably connected to the inner walls of the two sleeves 13, springs 15 are connected between the telescopic rods 14 and the inner walls of the sleeves 13, and one ends, far away from the filter box 8, of the two telescopic rods 14 are rotatably connected to the inner wall of the filter cartridge 9.
Referring to fig. 7-9, when the cleaning assembly is used, the filter cartridge 9 rotates to filter sediment, and drives the filter box 8 to rotate through the two telescopic rods 14, and because the air pipe 3 and the filter cartridge 9 are eccentrically arranged, when the filter cartridge 9 drives the filter box 8 to rotate through the telescopic rods 14, the two telescopic rods 14 are driven to stretch, and when the telescopic rods 14 stretch to the limit, the sliding plate 12 is driven to slide in the filter box 8, so that the sliding plate 12 can be driven to slide back and forth along with the inner wall of the filter box 8 while rotating along with the circumference of the filter box 8 along with the rotation of the filter cartridge 9, the filter screen 11 is scraped back and forth, and the filtered impurities on the filter screen 11 are removed, so that the effect of cleaning the filter screen 11 is achieved;
it should be noted that, since the sliding plate 12 also rotates along with the filter box 8, the scraping direction of the filter screen 11 can be continuously changed when the filter screen 11 is scraped by the sliding plate in a reciprocating manner, so that the filter screen 11 can be cleaned more conveniently.
In one preferred embodiment, a spiral plate 16 is fixed in the communication hole between the filter box 8 and the air delivery pipe 3, and the spiral plate 16 extends into the air delivery pipe 3 and contacts with the inner wall of the air delivery pipe 3.
Referring to fig. 7, in the above process, when the filter box 8 rotates to drive the sliding plate 12 to scrape the filter screen 11, the spiral plate 16 is also driven to rotate, and since the smoke dust is easy to adhere to the inner wall of the gas pipe 3 when passing through the gas pipe 3, the rotation of the spiral plate 16 can scrape the inner wall of the gas pipe 3, and the scraped smoke dust can be conveyed to the filter box 8 along with the rotation of the spiral plate 16, so that the impurity can be removed by detaching the filter box 8 after the work is completed.
Examples
The second embodiment is basically the same as the first embodiment except that the second embodiment provides a second cleaning assembly implementation.
Referring specifically to fig. 10-12, the cleaning assembly of the second embodiment includes an inner gear 20 rotatably mounted between the air delivery pipe 3 and the air inlet pipe 6, a through hole is provided in the middle of the inner gear 20, a scraper 22 contacting with the plane of the filter screen 11 is fixed on the inner wall of the through hole, a ring gear 21 is fixed on the inner wall of the filter cartridge 9, and the ring gear 21 is meshed with the inner gear 20.
As can be seen from the above description, when the filter cartridge 9 rotates to filter the sediment, the ring gear 21 mounted on the inner wall of the filter cartridge drives the inner gear 20 to rotate, so as to drive the scraper 22 in the through hole to rotate, and the scraper 22 rotates to scrape the impurity on the filter screen 11, thereby achieving the effect of cleaning the filter screen 11.
In one preferred embodiment, a hole is formed in the side wall of the fixed cylinder 2, a discharge groove 10 extending upwards into the fixed cylinder 2 is fixed in the hole, a scraper 19 integrally formed with the discharge groove 10 is also fixed on the discharge groove 10, and the scraper 19 is in contact with the inner wall of the filter cartridge 9.
Referring to fig. 5 to 9, in the above description, as the filter cartridge 9 rotates, the precipitate generated by the reaction can be filtered, and the filtered precipitate is attached to the inner wall of the filter cartridge 9 after being separated from the solution, and if the precipitate is not cleaned, the filter hole of the filter cartridge 9 may be blocked, so that the precipitate needs to be cleaned;
and because gas-supply pipe 3 and intake pipe 6 all lie in cartridge filter 9, and be eccentric setting with cartridge filter 9, therefore the waste gas that the burning produced is in the time of in through gas-supply pipe 3, its heat that carries can be conducted to cartridge filter 9 in, dry the attached precipitate of cartridge filter 9 inner wall, moreover because its eccentric setting, along with cartridge filter 9's rotation, the precipitate can be close to gradually from gas-supply pipe 3, improve its stoving effect, still can not cause the influence to the filtration process simultaneously, then the precipitate after drying can be scraped to discharge groove 10 when rotating to scraper 19 department, then carry outside fixed section of thick bamboo 2, thereby accomplish the drying and the separation to the precipitate, and then also guaranteed the filter effect of cartridge filter 9.
It should be noted that, as a result of the above-mentioned implementation; the spiral plate 16 can clean the smoke dust attached to the inner wall of the air pipe 3, so that the wall thickness of the air pipe 3 can be always kept at a certain thickness, and the heat conduction rate of the air pipe 3 can be ensured, thereby ensuring the drying and drying effects on the sediment.
In one of the preferred embodiments, the intermediate portion of the neutralization tank 1 is provided in an hourglass shape.
Referring to fig. 5, the solution flowing back slowly passes through the narrow hole by arranging the hourglass shape, and when the waste gas floats up from the narrow hole, bubbles are formed in the neutralizing agent and then burst open to form a beep phenomenon, so that the waste gas and the neutralizing agent are fully contacted, and the waste gas and the neutralizing agent can fully react, and the treatment effect is further improved.
In one of the preferred embodiments, the air inlet pipe 6 is obliquely communicated with the neutralization tank 1, the communication part is positioned below the sand leakage hole, and the diameter of a section of the air inlet pipe 6, which is close to the neutralization tank 1, is gradually reduced.
Through intake pipe 6 and neutralization jar 1 slant intercommunication, can make waste gas provide a rotation force to neutralization reagent when filling in neutralization jar 1 to make the solution in the neutralization jar 1 be rotatory state, so both can be favorable to the solution to discharge from drain pipe 4 of below, rotatory state also can improve the reaction degree simultaneously, and rotatory solution also can make the precipitate suspension in the solution, avoids its direct deposit to adhere to the bottom of neutralization jar 1, thereby is convenient for follow-up clearance to neutralization jar 1.
It should be noted that the gradual decrease of the diameter of the inlet pipe 6 can further increase the speed of the exhaust gas entering the neutralization tank 1, thereby increasing the rotation speed of the solution.
In one of the preferred embodiments, the outer ring of the filter cartridge 9 is fixed with a driven gear 17, the outer wall of the fixed cartridge 2 is rotatably mounted with a driving gear 18 engaged with the driven gear 17, and the driving gear 18 is driven by a motor.
Referring to fig. 6 and 9, the motor is used to drive the driving gear 18 to rotate, and then the driven gear 17 and the filter cartridge 9 are driven to rotate under the meshing action to perform filtration.
The standard parts used in the embodiment of the invention can be directly purchased from the market, and nonstandard structural parts according to the description of the specification and the drawings can also be processed according to the prior art without doubt, meanwhile, the connection mode of each part adopts the conventional means which are mature in the prior art, and the machinery, the parts and the equipment adopt the conventional types in the prior art, so the specific description is not made here.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. An exhaust gas treatment device for carbon neutralization, comprising a neutralization tank (1), wherein a neutralization reagent is contained in the neutralization tank (1), characterized by further comprising:
the air inlet channel is used for connecting the neutralization tank (1) and an external exhaust emission port, and the joint of the air inlet channel and the neutralization tank (1) is positioned below the liquid level of the neutralization reagent;
a filter screen (11) installed in the air intake passage;
the cleaning assembly is arranged on the air inlet channel and is used for cleaning the filter screen (11);
a discharge pipe (7) connected to the top of the neutralization tank (1) for the discharge of the gas.
2. The exhaust gas treatment device for carbon neutralization according to claim 1, wherein: the filter comprises a neutralization tank (1), and is characterized by further comprising a circulating filter assembly, wherein the circulating filter assembly comprises a fixed cylinder (2) which is arranged side by side with the neutralization tank (1), a rotatable filter cylinder (9) is arranged on the inner wall of the fixed cylinder (2), the filter cylinder (9) is horizontally arranged, and a filter hole is formed in the annular outer wall of the filter cylinder (9);
the utility model discloses a water pump, including neutralization jar (1), fixed section of thick bamboo (2), the bottom of neutralizing jar (1) and fixed section of thick bamboo (2) between the intercommunication have drain pipe (4), in drain pipe (4) let in cartridge filter (9), the bottom of fixed section of thick bamboo (2) and the outer wall intercommunication that neutralization jar (1) is close to the top have back liquid pipe (5), just install the water pump on back liquid pipe (5).
3. The exhaust gas treatment device for carbon neutralization according to claim 2, characterized in that: the air inlet channel comprises an air conveying pipe (3) and an air inlet pipe (6) which are coaxially arranged, the air conveying pipe (3) is communicated with an external exhaust emission port, and the air inlet pipe (6) is communicated with the neutralization tank (1);
holes are formed in two side walls of the fixed cylinder (2), the air pipe (3) and the air inlet pipe (6) are respectively fixed in the two holes, the air pipe (3) and the filter cylinder (9) are eccentrically arranged, the filter screen (11) is fixedly installed in the air inlet pipe (6), the cleaning assembly is installed between the air inlet pipe (6) and the filter box (8), and the air pipe (3) is communicated with the air inlet pipe (6) in a sealing mode.
4. An exhaust gas treatment device for carbon neutralization according to claim 3, characterized in that: the cleaning assembly comprises a filter box (8) which is rotationally connected between a gas pipe (3) and a gas inlet pipe (6), communication holes are formed in the outer walls of the two sides of the filter box (8), a sliding plate (12) is slidably connected with the inner wall of the filter box (8), the sliding plate (12) is in plane contact with a filter screen (11), two sleeves (13) penetrating out of the filter box (8) are fixedly arranged on the outer walls of the two sides of the sliding plate (12), telescopic rods (14) are slidably connected with the inner walls of the sleeves (13), springs (15) are connected between the telescopic rods (14) and the inner walls of the sleeves (13), and one ends, far away from the filter box (8), of the telescopic rods (14) are rotationally connected with the inner walls of filter cartridges (9).
5. The exhaust gas treatment device for carbon neutralization according to claim 4, wherein: the filter box (8) and the air delivery pipe (3) are internally fixed with a spiral plate (16), and the spiral plate (16) extends into the air delivery pipe (3) and is contacted with the inner wall of the air delivery pipe (3).
6. An exhaust gas treatment device for carbon neutralization according to claim 3, characterized in that: the cleaning assembly comprises an inner gear (20) rotatably arranged between the air delivery pipe (3) and the air inlet pipe (6), a through hole is formed in the middle of the inner gear (20), a scraper (22) in contact with the plane of the filter screen (11) is fixed on the inner wall of the through hole, a ring gear (21) is fixed on the inner wall of the filter cartridge (9), and the ring gear (21) is meshed with the inner gear (20).
7. An exhaust gas treatment device for carbon neutralization according to claim 3, characterized in that: the side wall of the fixed cylinder (2) is provided with a hole, a discharge groove (10) extending upwards into the fixed cylinder (2) is fixed in the hole, a scraper (19) integrally formed with the discharge groove (10) is further fixed on the discharge groove (10), and the scraper (19) is in contact with the inner wall of the filter cylinder (9).
8. An exhaust gas treatment device for carbon neutralization according to claim 3, characterized in that: the middle part of the neutralization tank (1) is arranged in an hourglass shape.
9. The exhaust gas treatment device for carbon neutralization according to claim 8, wherein: the air inlet pipe (6) is obliquely communicated with the neutralization tank (1), the communicating position is located below the sand leakage hole, and the diameter of a section of the air inlet pipe (6) close to the neutralization tank (1) is gradually reduced.
10. The exhaust gas treatment device for carbon neutralization according to any one of claims 2 to 9, characterized in that: the outer ring of the filter cartridge (9) is fixedly provided with a driven gear (17), the outer wall of the fixed cartridge (2) is rotatably provided with a driving gear (18) meshed with the driven gear (17), and the driving gear (18) is driven by a motor.
CN202310124209.8A 2023-02-16 2023-02-16 Waste gas treatment device for carbon neutralization Active CN116328520B (en)

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