CN112023658A - Multisection processing system to sodium silicate tail gas - Google Patents
Multisection processing system to sodium silicate tail gas Download PDFInfo
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- CN112023658A CN112023658A CN202010900242.1A CN202010900242A CN112023658A CN 112023658 A CN112023658 A CN 112023658A CN 202010900242 A CN202010900242 A CN 202010900242A CN 112023658 A CN112023658 A CN 112023658A
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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
- B01D53/75—Multi-step processes
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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
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/24—Sulfates of ammonium
- C01C1/242—Preparation from ammonia and sulfuric acid or sulfur trioxide
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D5/00—Sulfates or sulfites of sodium, potassium or alkali metals in general
- C01D5/02—Preparation of sulfates from alkali metal salts and sulfuric acid or bisulfates; Preparation of bisulfates
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
- C01F11/464—Sulfates of Ca from gases containing sulfur oxides
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/30—Alkali metal compounds
- B01D2251/304—Alkali metal compounds of sodium
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/602—Oxides
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- 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
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Abstract
The invention discloses a multi-section treatment system for sodium silicate tail gas, which comprises a dust remover, a primary treatment system, a secondary treatment system and a tertiary treatment system, wherein a first air pump is arranged on a sleeve, one end of the sleeve is connected with an outlet of the dust remover, a reaction module is arranged in the sleeve, the secondary treatment system and the tertiary treatment system respectively comprise a first reaction tank and a second reaction tank, ammonia water and sodium hydroxide solution are respectively arranged in the first reaction tank and the second reaction tank, different chemical reactions occur when the tail gas passes through the primary treatment system, the secondary treatment system and the tertiary treatment system after being dedusted by the dust remover, the content of sulfur dioxide in the tail gas is greatly reduced, and the tail gas can reach the standard discharge, the desulfurization effect is limited, the whole system structure is simple, the use is convenient and reliable, and the popularization is facilitated.
Description
Technical Field
The invention relates to the technical field, in particular to a multi-section treatment system for sodium silicate tail gas.
Background
Sodium silicate is commonly called water glass and sodium silicate, has wide application and almost spreads all over various departments of national economy. The method is widely used for manufacturing various silicate products such as silica gel, white carbon black, zeolite molecular sieve, sodium metasilicate, silica sol, layered silicon, instant powdery sodium silicate and potassium sodium silicate in the chemical industry, and is a basic raw material of silicon compounds; the water-soluble polymer is an indispensable raw material in detergents such as washing powder, soap and the like in the light industry, and is also a water softener and a settling agent; in the textile industry for dyeing, bleaching and sizing; in addition, the method is widely used for casting, grinding wheel manufacturing, metal corrosion inhibitors and the like in the mechanical industry.
Sodium silicate is produced by using sodium carbonate as a raw material, and has the defects of large heat waste, large carbon emission, high cost and the like, so sodium silicate is produced by using anhydrous sodium sulphate, namely sodium sulfate, as the raw material instead of sodium carbonate. The method has the advantages of greatly reducing the cost, reducing the carbon emission by more than 95 percent and the like, thereby being widely applied.
When sodium silicate is produced by taking anhydrous sodium sulphate and quartz sand as raw materials, a large amount of kiln tail gas and furnace body flue gas are generated in the calcining process of a kiln, and the tail gas contains sulfur dioxide and dust. Adopt sack dust collector to carry out desulfurization dust removal processing, though dust collection efficiency is high, and dust discharge to reach standard in the tail gas, but sulfur dioxide in the tail gas is not effectively processed, and sulfur dioxide can not realize discharge to reach standard in the tail gas, can cause serious pollution to the environment.
The invention with the application number of CN201210507766.X discloses a sodium silicate tail gas treatment process and treatment equipment thereof to solve the problems, but the technical scheme still has certain disadvantages: the tail gas is desulfurized only by using sodium hydroxide, the desulfurization effect is limited, and a novel multi-section treatment system for the sodium silicate tail gas is provided to solve the problem.
Disclosure of Invention
The invention aims to provide a multi-section treatment system for sodium silicate tail gas, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a multisection processing system to sodium silicate tail gas, includes dust remover, primary treatment system, secondary treatment system and tertiary processing system, the import and the tail gas export of dust remover link to each other, primary treatment system includes the sleeve pipe, be equipped with first air pump on the sleeve pipe, sheathed tube one end with the export of dust remover links to each other, the intraductal reaction module that is equipped with of cover, reaction module includes the installation pipe, installation pipe sliding connection is in the sheathed tube inside, the terminal surface of installation pipe with be connected with compression spring's both ends between the sleeve pipe, be equipped with a plurality of mounting panels in the installation pipe, all be equipped with the calcium oxide coating on the mounting panel, be equipped with stop gear on the sleeve pipe, secondary treatment system with tertiary treatment system includes first reaction tank and second reaction tank respectively, be equipped with aqueous ammonia and sodium hydroxide solution in first reaction tank and the second reaction tank respectively, the first reaction tank with be equipped with first apron and second apron on the second reaction tank respectively, be equipped with the second air pump on the first apron, first apron with all be equipped with actuating mechanism on the second apron, first reaction tank with all be equipped with rabbling mechanism in the second reaction tank, one side of first reaction tank is equipped with the third reaction tank, be equipped with water in the third reaction tank, be equipped with the third apron on the third reaction tank, the sleeve pipe with between the first reaction tank, first reaction tank with between the third reaction tank and all link to each other through the connecting pipe between the second reaction tank.
Preferably, stop gear includes the connecting block, the connecting block sets up on the sheathed tube lateral wall, the cavity has been seted up in the connecting block, sliding connection has the gag lever post in the cavity, the chute has been seted up on the gag lever post, the gag lever post orientation the terminal surface of cavity with be connected with reset spring's both ends between the cavity, the gag lever post runs through the sheathed tube lateral wall, set up flutedly on the lateral wall of installation pipe, the recess with the adaptation is gone up to the other end of gag lever post, it has the control rod to run through sliding connection on the connecting block, the control rod is close to the one end of gag lever post is equipped with rolling mechanism, rolling mechanism with chute looks adaptation, the control rod is kept away from the one end of gag lever post is equipped with the pressure.
Preferably, actuating mechanism includes the motor frame, be equipped with driving motor on the motor frame, first apron with all run through to rotate on the second apron and be connected with the pivot, the one end of pivot with driving motor's output links to each other.
Preferably, the stirring mechanism comprises a shell, the shell is respectively arranged on the lower side wall of the interior of the first reaction tank and the second reaction tank, the side wall of the shell is connected with a stirring shaft in a penetrating and rotating mode, one end, opposite to the stirring shaft, of the stirring shaft is provided with a driven bevel gear, the other end of the rotating shaft penetrates through the side wall of the shell and is connected with a driving bevel gear, the driving bevel gear is meshed with the driven gear in a homogeneous mode, and one end, far away from the stirring shaft, of the stirring shaft is provided with a stirring rod.
Preferably, the rolling mechanism comprises a connecting frame arranged at the end part of the limit rod, and the connecting frame is rotatably connected with a roller.
Preferably, one end of the limiting rod, which is matched with the groove, is an arc surface.
Compared with the prior art, the invention has the beneficial effects that: the invention discloses a multi-section treatment system for sodium silicate tail gas, wherein the tail gas is dedusted by a deduster, then sequentially enters a primary treatment system, a secondary treatment system and a tertiary treatment system, and when flowing through the primary treatment system and passing through the secondary treatment system and the tertiary treatment system, different chemical reactions occur, so that the content of sulfur dioxide in the tail gas is greatly reduced, and the tail gas can reach the standard emission.
Drawings
FIG. 1 is a schematic top view of a primary processing system according to the present invention;
FIG. 2 is a schematic diagram of a right-view structure of the limiting mechanism of the present invention;
FIG. 3 is a schematic diagram of a two-stage processing system according to the present invention;
FIG. 4 is a schematic front view of a three-stage treatment system according to the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 1A;
fig. 6 is a block diagram of the system of the present invention.
In the figure: 1-sleeve pipe, 2-first air pump, 3-mounting pipe, 4-compression spring, 5-mounting plate, 6-calcium oxide coating, 7-limiting mechanism, 701-connecting block, 702-chamber, 703-limiting rod, 704-chute, 705-reset spring, 706-groove, 707-operating rod, 708-pressing plate, 709-connecting frame, 710-roller, 8-first reaction tank, 9-second reaction tank, 10-first cover plate, 11-second cover plate, 12-second air pump, 13-driving mechanism, 1301-motor frame, 1302-driving motor, 1303-rotating shaft, 14-stirring mechanism, 1401-shell, 1402-stirring shaft, 1403-driven bevel gear, 1404-driving bevel gear, 1405-stirring rod, 15-third reaction tank, 16-third cover plate and 17-connecting pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a multi-section treatment system for sodium silicate tail gas comprises a dust remover, a primary treatment system, a secondary treatment system and a tertiary treatment system, wherein an inlet of the dust remover is connected with a tail gas outlet, the dust remover can be a bag-type dust remover, the primary treatment system comprises a sleeve pipe 1, a first air pump 2 is arranged on the sleeve pipe 1, one end of the sleeve pipe 1 is connected with the outlet of the dust remover, a reaction module is arranged in the sleeve pipe 1 and comprises an installation pipe 3, as shown in figure 2, the installation pipe 3 is connected in the sleeve pipe 1 in a sliding manner, two ends of a compression spring 4 are connected between the end surface of the installation pipe 3 and the sleeve pipe 1, a plurality of installation plates 5 are arranged in the installation pipe 3, calcium oxide coatings 6 are arranged on the installation plates 5, a limiting mechanism 7 is arranged on the sleeve pipe 1, the secondary treatment system and the tertiary treatment system respectively comprise a first reaction tank 8 and a second reaction tank 9, ammonia water and sodium hydroxide solution are respectively, be equipped with first apron 10 and second apron 11 on first reaction tank 8 and the second reaction tank 9 respectively, be equipped with second air pump 12 on the first apron 10, all be equipped with actuating mechanism 13 on first apron 10 and the second apron 11, all be equipped with rabbling mechanism 14 in first reaction tank 8 and the second reaction tank 9, one side of first reaction tank 8 is equipped with third reaction tank 15, be equipped with water in the third reaction tank 15, be equipped with third apron 16 on the third reaction tank 15, between sleeve pipe 1 and the first reaction tank 8, all link to each other through connecting pipe 17 between first reaction tank 8 and the third reaction tank 15 and between third reaction tank 15 and the second reaction tank 9.
Specifically, the limiting mechanism 7 includes a connecting block 701, as shown in fig. 2 and 5, the connecting block 701 is disposed on the outer side wall of the casing 1, a cavity 702 is formed in the connecting block 701, a limiting rod 703 is slidably connected in the cavity 702, a chute 704 is formed in the limiting rod 703, two ends of a return spring 705 are connected between the end surface of the limiting rod 703 facing the cavity 702 and the cavity 702, the limiting rod 703 penetrates through the side wall of the casing 1, a groove 706 is formed in the outer side wall of the installation pipe 3, the groove 706 is adapted to the other end of the limiting rod 703, a control lever 707 is slidably connected on the connecting block 701, a rolling mechanism is disposed at one end of the control lever 707 close to the limiting rod 703, the rolling mechanism is adapted to the chute 704, and a pressing plate 708 is disposed at.
Specifically, the driving mechanism 13 includes a motor frame 1301, a driving motor 1302 is disposed on the motor frame 1301, a rotating shaft 1303 is rotatably connected to each of the first cover plate 10 and the second cover plate 11, and one end of the rotating shaft 1303 is connected to an output end of the driving motor 1302.
Specifically, the stirring mechanism 14 includes a housing 1401 as shown in fig. 3 and 4. Casing 1401 sets up respectively on the inside lower lateral wall of first reaction tank 8 and second reaction tank 9, it is connected with (mixing) shaft 1402 to run through to rotate on the lateral wall of casing 1401, the one end that (mixing) shaft 1402 is relative all is equipped with driven bevel gear 1403, the other end of pivot 1303 runs through the lateral wall of casing 1301 and is connected with drive bevel gear 1404, drive bevel gear 1404 meshes with driven gear 1403 homogeneous phase, the one end that (mixing) shaft 1402 kept away from mutually all is equipped with puddler 1405, (mixing) shaft 1402 can set up the multiunit, pass through transfer line transmission torque between every group (mixing) shaft 1402, the inside at the casing is connected in the transfer line rotation, its both ends all set up middle bevel gear, middle bevel gear meshes with the driven.
Specifically, the rolling mechanism includes a connecting frame 709 provided at an end of the stopper rod 703, and a roller 710 is rotatably connected to the connecting frame 709.
Specifically, one end of the limiting rod 703, which is matched with the groove 706, is an arc surface, as shown in fig. 2 and 5, so that the limiting mechanism 7 can be automatically effective without operating the limiting mechanism 7 when the installation pipe 3 is installed.
Example 1:
tail gas generated in the production of silicic acid, wherein the generation amount of the tail gas is 30000m3H, the concentration of sulfur dioxide is 35g/m3；
After the dust is removed by the dust remover, the temperature of the sleeve is 350 ℃, and the concentration of sulfur dioxide in the tail gas is reduced to 15g/m after the tail gas is treated by a primary treatment system3The removal efficiency was 57.14%;
after being treated by a secondary treatment system, the tail gasThe concentration of sulfur dioxide is reduced to 2.12g/m3The removal efficiency was 85.86%;
after being treated by the three-stage treatment system, the concentration of sulfur dioxide in the tail gas is reduced to 0.06g/m3The removal efficiency was 97.16%;
the total removal efficiency of the primary treatment system, the secondary treatment system and the tertiary treatment system on sulfur dioxide in the tail gas is 99.83 percent, and the tail gas can reach the standard after being treated and then is discharged.
Example 2:
tail gas generated in the production of silicic acid, wherein the generation amount of the tail gas is 25000m3H, the concentration of sulfur dioxide is 30g/m3；
After the dust is removed by the dust remover, the temperature of the sleeve is 350 ℃, and the concentration of sulfur dioxide in the tail gas is reduced to 12g/m after the sleeve is treated by a primary treatment system3The removal efficiency is 60.00%;
after being treated by the secondary treatment system, the concentration of sulfur dioxide in the tail gas is reduced to 1.97g/m3The removal efficiency was 83.58%;
after being treated by the three-stage treatment system, the concentration of sulfur dioxide in the tail gas is reduced to 0.05g/m3The removal efficiency is 97.46%;
the total removal efficiency of the primary treatment system, the secondary treatment system and the tertiary treatment system on sulfur dioxide in the tail gas is 99.83 percent, and the tail gas can reach the standard after being treated and then is discharged.
The working principle is as follows: when the invention is used, the tail gas is dedusted by the deduster and then enters the primary treatment system, the secondary treatment system and the tertiary treatment system in sequence, in the primary treatment system, the sulfur dioxide in the tail gas reacts with the calcium oxide 6 coating on the mounting plate 5 and the oxygen in the air pumped by the first air pump 2 to generate calcium sulfate, so that the sulfur dioxide content in the tail gas is greatly reduced, in the secondary treatment system, the sulfur dioxide in the tail gas reacts with ammonia water and the oxygen in the air pumped by the second air pump 12 to generate ammonium sulfate, the ammonium sulfate in the second reaction tank 8 can be used as a fertilizer preparation material after being crystallized, the ammonia in the tail gas can be removed when the tail gas flows through the third reaction tank, in the tertiary treatment system, the sulfur dioxide in the tail gas reacts with sodium hydroxide to generate sodium sulfate, the sodium sulfate continuously reacts to generate sodium bisulfate, after the tail gas passes through the primary treatment system, the secondary treatment system and the tertiary treatment system, the content of sulfur dioxide in the tail gas is greatly reduced, the tail gas can reach the standard emission, the reaction module is in sliding connection with the sleeve 1, the axial position of the reaction module is limited by the limiting mechanism 7, when the reaction module needs to be replaced, the limiting rod 703 is retracted into the cavity 702 by only pressing the pressing plate 708 downwards and moving the operating rod 707 downwards, and the reaction module can be automatically ejected under the action of the elastic force of the compression spring 4, so that the replacement of the reaction module can be facilitated; the stirring mechanism 14 can make the chemical reaction in the first reaction tank 8 and the second reaction tank 9 more efficient, so that the sulfur dioxide in the tail gas can be removed more effectively and thoroughly.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a multisection processing system to sodium silicate tail gas, includes dust remover, primary treatment system, secondary treatment system and tertiary processing system, its characterized in that: the import and the tail gas outlet of dust remover link to each other, primary treatment system includes sleeve pipe (1), be equipped with first air pump (2) on sleeve pipe (1), the one end of sleeve pipe (1) with the export of dust remover links to each other, be equipped with reaction module in sleeve pipe (1), reaction module includes installation pipe (3), installation pipe (3) sliding connection is in the inside of sleeve pipe (1), the terminal surface of installation pipe (3) with be connected with compression spring (4)'s both ends between sleeve pipe (1), be equipped with a plurality of mounting panels (5) in installation pipe (3), all be equipped with calcium oxide coating (6) on mounting panel (5), be equipped with stop gear (7) on sleeve pipe (1), secondary treatment system with tertiary treatment system includes first reaction tank (8) and second reaction tank (9) respectively, first reaction tank (8) with be equipped with ammonia and sodium hydroxide solution in second reaction tank (9) respectively, first reaction tank (8) with be equipped with first apron (10) and second apron (11) on second reaction tank (9) respectively, be equipped with second air pump (12) on first apron (10), first apron (10) with all be equipped with actuating mechanism (13) on second apron (11), first reaction tank (8) with all be equipped with rabbling mechanism (14) in second reaction tank (9), one side of first reaction tank (8) is equipped with third reaction tank (15), be equipped with water in third reaction tank (15), be equipped with third apron (16) on third reaction tank (15), sleeve pipe (1) with between first reaction tank (8), first reaction tank (8) with between third reaction tank (15) and third reaction tank (15) with second reaction tank (9) Are connected with each other through a connecting pipe (17).
2. The multi-section treatment system for sodium silicate tail gas as claimed in claim 1, characterized in that: the limiting mechanism (7) comprises a connecting block (701), the connecting block (701) is arranged on the outer side wall of the sleeve (1), a cavity (702) is formed in the connecting block (701), a limiting rod (703) is connected in the cavity (702) in a sliding manner, an inclined groove (704) is formed in the limiting rod (703), the limiting rod (703) faces towards the end face of the cavity (702) and two ends of a reset spring (705) are connected between the cavity (702) and the cavity (702), the limiting rod (703) penetrates through the side wall of the sleeve (1), a groove (706) is formed in the outer side wall of the installation pipe (3), the groove (706) is matched with the other end of the limiting rod (703), a control rod (707) penetrates through the connecting block (701) in a sliding manner, and a rolling mechanism is arranged at one end, close to the limiting rod (703), of the control rod (707), the rolling mechanism is matched with the inclined groove (704), and a pressing plate (708) is arranged at one end, far away from the limiting rod (703), of the operating rod (707).
3. The multi-section treatment system for sodium silicate tail gas as claimed in claim 1, characterized in that: the driving mechanism (13) comprises a motor frame (1301), a driving motor (1302) is arranged on the motor frame (1301), a rotating shaft (1303) is connected to the first cover plate (10) and the second cover plate (11) in a penetrating and rotating mode, and one end of the rotating shaft (1303) is connected with the output end of the driving motor (1302).
4. The multi-section treatment system for sodium silicate tail gas as claimed in claim 3, characterized in that: the stirring mechanism (14) comprises a shell (1401), the shell (1401) is respectively arranged on the lower side wall of the interior of the first reaction tank (8) and the second reaction tank (9), a stirring shaft (1402) is connected to the side wall of the shell (1401) in a penetrating and rotating mode, one end, opposite to the stirring shaft (1402), of the stirring shaft (1403) is arranged, the other end of the rotating shaft (1303) penetrates through the side wall of the shell (1301) and is connected with a driving bevel gear (1404), the driving bevel gear (1404) is meshed with the driven gear (1403) in a homogeneous mode, and one end, far away from the stirring shaft (1402), of the stirring shaft (1405) is arranged.
5. The multi-section treatment system for sodium silicate tail gas as claimed in claim 2, characterized in that: the rolling mechanism comprises a connecting frame (709) arranged at the end part of the limiting rod (703), and a roller (710) is rotatably connected to the connecting frame (709).
6. The multi-section treatment system for sodium silicate tail gas as claimed in claim 5, characterized in that: one end of the limiting rod (703) matched with the groove (706) is an arc surface.
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| CN109012077A (en) * | 2018-09-12 | 2018-12-18 | 王旭 | A kind of environmental protection flue gas high-efficient purification treatment device |
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Application publication date: 20201204 |