CN112591769A - Device for preparing sodium sulfite solution - Google Patents
Device for preparing sodium sulfite solution Download PDFInfo
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- CN112591769A CN112591769A CN202011486564.2A CN202011486564A CN112591769A CN 112591769 A CN112591769 A CN 112591769A CN 202011486564 A CN202011486564 A CN 202011486564A CN 112591769 A CN112591769 A CN 112591769A
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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
- C01D5/14—Preparation of sulfites
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
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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
- B01D53/26—Drying gases or vapours
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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
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/502—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific solution or suspension
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/836—Mixing plants; Combinations of mixers combining mixing with other treatments
- B01F33/8362—Mixing plants; Combinations of mixers combining mixing with other treatments with chemical reactions
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/48—Sulfur dioxide; Sulfurous acid
- C01B17/50—Preparation of sulfur dioxide
- C01B17/54—Preparation of sulfur dioxide by burning elemental sulfur
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- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B01D2251/60—Inorganic bases or salts
- B01D2251/604—Hydroxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/2204—Mixing chemical components in generals in order to improve chemical treatment or reactions, independently from the specific application
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a device for preparing sodium sulfite solution, and relates to the technical field of sodium sulfite preparation equipment. Including air treatment case, sulfur burning furnace and blending tank, its characterized in that: the output end of the air treatment box is provided with a sulfur incinerator, the output end of the sulfur incinerator is provided with a mixing tank, the left end of the air treatment box is provided with an air inlet pipe, the right end of the air inlet pipe is provided with an air pump, the right end of the air pump is provided with a dust falling pipe, and the right end of the dust falling pipe is provided with a filter pipe; through setting up first puddler and second puddler and stirring sodium bisulfite solution's preparation and the mixed solution of neutralization in-process, improve the mixing uniformity of reactant to improve mixing efficiency, utilize the infiltration groove to be stranded trickle with the alkali lye reposition of redundant personnel of participating in sodium bisulfite solution preparation, improve its and sulfur dioxide gas's area of contact, further promote solution preparation in-process chemical reaction's efficiency.
Description
Technical Field
The invention relates to the technical field of sodium sulfite preparation equipment, in particular to a device for preparing sodium sulfite solution.
Background
Sodium sulfite, formula Na2SO3, common sulfite, white, monoclinic crystals or powder. It has irritation to eyes, skin, and mucosa, and can pollute water source. Toxic sulfide fume is generated by high-temperature decomposition. The industrial production is mainly used for preparing cellulose sulfite, sodium thiosulfate, organic chemicals, bleaching fabrics and the like, and is also used as a reducing agent, a preservative, a dechlorinating agent and the like.
1. In the prior art, sulfur dioxide gas needs to be prepared firstly in the preparation process of sodium sulfite, dry compressed air needs to be introduced into a sulfur incinerator in the preparation process of the sulfur dioxide gas, and a common air compression device has insufficient dust removal effect and does not meet the environmental requirement that the air environment of a common industrial area is not changed well;
2. in the prior art, in the process of preparing sodium sulfite, the dioxygen disulfide gas and the alkali liquor are required to be mixed to generate a sodium bisulfite solution, then the sodium bisulfite solution is obtained by the neutralization of caustic soda, and the mixing efficiency is low due to insufficient mixing of the common sulfur dioxide gas and the alkali liquor in the mixing process.
Disclosure of Invention
In view of the defects of the prior art, the invention provides a device for preparing sodium sulfite solution, which solves the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a device for preparing sodium sulfite solution comprises an air treatment box, a sulfur incinerator and a mixing tank, wherein the sulfur incinerator is arranged at the output end of the air treatment box, and the mixing tank is arranged at the output end of the sulfur incinerator;
the left end of the air treatment box is provided with an air inlet pipe, the right end of the air inlet pipe is provided with an air pump, the right end of the air pump is provided with a dust falling pipe, the right end of the dust falling pipe is provided with a filter pipe, and the right end of the filter pipe is provided with a compressed air dryer;
an air inlet is formed in one side of the sulfur incinerator, a material injection port is formed in the upper end of the sulfur incinerator, an incineration chamber is arranged in the sulfur incinerator, a waste pot is arranged on the side face of the sulfur incinerator, and a sulfur removal reactor is arranged at the output end of the waste pot;
the upper end of blending tank is provided with the gas-liquid mixing groove, one side of gas-liquid mixing groove sets up the admission valve, the side of gas-liquid mixing groove is provided with the temporary storage tank, the side of temporary storage tank is provided with the shunt tubes, one side of temporary storage tank is provided with the lye pipe that extends to the blending tank outside, the lower extreme of gas-liquid mixing groove passes through the relay valve body and links to each other with the neutralizing tank, the side of neutralizing tank is provided with the discharging pipe.
As a preferred technical scheme of the invention, a spraying spray pipe is arranged at the top of the dust-falling pipe, the input end of the spraying spray pipe is connected with a water pump, the input end of the water pump is connected with an external clean water source, a water seepage port is arranged at the bottom of the dust-falling pipe, and a drain pipe is arranged at the bottom of the dust-falling pipe.
As a preferred technical scheme of the invention, a filter plate is arranged in the filter tube, an activated carbon net is arranged on the side surface of the filter plate, and the activated carbon net is composed of an activated carbon layer which is uniformly laid by cotton yarn in a wrapping mode.
As a preferred technical solution of the present invention, the inlet of the shunt tube is disposed at the upper end of the sidewall of the temporary holding tank close to the gas-liquid mixing tank, the shunt tube extends into the gas-liquid mixing tank and forms a plurality of parallel branches, each branch is fixedly connected with a permeate tank, the upper end of the permeate tank is open, and the upper edge of the permeate tank is uniformly provided with grooves at equal intervals.
As a preferable technical scheme of the present invention, a first stirring rod is disposed at the bottom of the gas-liquid mixing tank, the first stirring rod penetrates through a side wall of the gas-liquid mixing tank and extends into the mixing tank to be in transmission connection with a driving motor in the mixing tank, and a mechanical seal is disposed at a connection position of the first stirring rod and the gas-liquid mixing tank.
In a preferred embodiment of the present invention, a caustic soda tube is disposed on a side surface of the neutralization tank, a second stirring rod is disposed inside the neutralization tank, and one end of the second stirring rod penetrates through the neutralization tank and extends into the mixing tank to be in transmission connection with the driving motor.
As a preferred technical scheme of the invention, a rotor of the driving motor is fixedly connected with a driving gear, a side face of the driving gear is meshed with a fluted disc, one side of the fluted disc, which is far away from the driving gear, is fixedly connected with a transfer gear, two sides of the transfer gear are meshed with transmission rods, the transmission rods are in rod-shaped structures, two ends of each transmission rod are parallelly provided with gears, one end, far away from the transfer gear, is meshed with a transmission gear, the side face of each transmission gear is meshed with a connecting gear, the two connecting gears are positioned on the same straight line, and the two connecting gears are respectively fixed on the first stirring rod and the second stirring.
As a preferred technical scheme of the present invention, the exhalation end of the compressed air dryer is communicated with an air inlet of a sulfur incinerator, the injection port is communicated with an external sulfur pipeline, the output end of the sulfur removal reactor is communicated with an air inlet valve, the alkali liquor pipe is communicated with an external soda solution pipeline, and the soda pipe is communicated with an external soda solution pipeline.
Compared with the prior art, the invention provides a device for preparing sodium sulfite solution, which has the following beneficial effects:
1. this configuration sodium sulfite solution device removes dust and filters the processing to the outside air through setting up the air treatment case, subsides the dust in the dust fall pipe, has reduced the influence of equipment outside air quality to sulfur dioxide preparation in the incinerator, makes the device more be fit for the relatively poor industry garden of air quality, and improve equipment is at the operational capability under environments such as sand storm simultaneously, reduces because of the air quality and prepares the harm that produces to sodium sulfite solution.
2. This configuration sodium sulfite solution device stirs the preparation of sodium bisulfite solution and the mixed solution of neutralization in-process through setting up first puddler and second puddler, improves the mixing uniformity of reactant to improve mixing efficiency, utilize the infiltration groove to be stranded trickle with the alkali lye reposition of redundant personnel that participates in sodium bisulfite solution preparation, improve its and sulfur dioxide gas's area of contact, further promote the efficiency of solution preparation in-process chemical reaction.
Drawings
FIG. 1 is a schematic structural diagram of a device for preparing sodium sulfite solution according to the present invention;
FIG. 2 is a schematic view of an air treatment box of the apparatus for preparing sodium sulfite solution according to the present invention;
FIG. 3 is a schematic view of a sulfur burner equipped with a sodium sulfite solution device according to the present invention;
FIG. 4 is a schematic structural diagram of a mixing tank of the apparatus for preparing sodium sulfite solution according to the present invention;
FIG. 5 is a schematic view of a structure of a device for preparing sodium sulfite solution according to the present invention, illustrating a connection structure of a driving motor;
FIG. 6 is a schematic view of the connection of a transfer gear of the apparatus for preparing sodium sulfite solution according to the present invention;
FIG. 7 is a schematic view of the transmission gear connection of a device for preparing sodium sulfite solution according to the present invention;
in the figure: 1. an air treatment box; 11. an air inlet pipe; 12. an air pump; 13. a dust settling pipe; 131. a spray pipe; 132. a water pump; 133. a water seepage port; 134. a drain pipe; 14. a filter tube; 141. a filter plate; 142. an activated carbon mesh; 15. a compressed air dryer; 2. a sulfur incinerator; 21. an air inlet; 22. a material injection port; 23. an incineration chamber; 24. a waste pot; 25. a sulphur removal reactor; 3. a mixing tank; 31. a gas-liquid mixing tank; 311. a seepage tank; 312. a groove; 313. a first stirring rod; 32. an intake valve; 33. a temporary holding groove; 34. a shunt tube; 35. an alkali liquor tube; 36. a relay valve body; 37. a neutralization tank; 371. a caustic soda tube; 372. a second stirring rod; 38. a discharge pipe; 39. a drive motor; 391. a drive gear; 392. a fluted disc; 393. a transfer gear; 394. a transmission rod; 395. a transmission gear; 396. a connecting gear.
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.
Please refer to fig. 1-7, a configuration sodium sulfite solution device, includes air treatment box 1, sulphur burning furnace 2 and blending tank 3, the output of air treatment box 1 is provided with sulphur burning furnace 2, the output of sulphur burning furnace 2 is provided with blending tank 3, the left end of air treatment box 1 is provided with intake pipe 11, the right-hand member of intake pipe 11 is provided with air pump 12, the right-hand member of air pump 12 is provided with dust fall pipe 13, the right-hand member of dust fall pipe 13 is provided with filter tube 14, the right-hand member of filter tube 14 is provided with compressed air dryer 15, one side of sulphur burning furnace 2 is provided with air inlet 21, the upper end of sulphur burning furnace 2 is provided with sprue 22, the inside of sulphur burning furnace 2 is provided with combustion chamber 23, the side of sulphur burning furnace 2 is provided with waste boiler 24, the output of waste boiler 24 is provided with sulphur removal reactor 25.
The upper end of the mixing tank 3 is provided with a gas-liquid mixing tank 31, one side of the gas-liquid mixing tank 31 is provided with an air inlet valve 32, the side of the gas-liquid mixing tank 31 is provided with a temporary holding tank 33, the side of the temporary holding tank 33 is provided with a shunt pipe 34, one side of the temporary holding tank 33 is provided with an alkali liquor pipe 35 extending to the outside of the mixing tank 3, the lower end of the gas-liquid mixing tank 31 is connected with a neutralization tank 37 through a relay valve body 36, and the side of the neutralization tank 37 is provided with a discharge pipe 38.
As a specific technical solution of this embodiment, a spray nozzle 131 is disposed at the top of the dust falling pipe 13, an input end of the spray nozzle 131 is connected to a water pump 132, an input end of the water pump 132 is connected to an external clean water source, a water seepage port 133 is disposed at the bottom of the dust falling pipe 13, a drain pipe 134 is disposed at the bottom of the dust falling pipe 13, clean water is pumped into the spray nozzle 131 by the water pump 132 in a high pressure state and sprayed out in a water mist form, dust in air is adsorbed by formed water droplets to form a precipitate, dust in the air is removed, and the precipitated dust and water flow are discharged together through the drain pipe 134.
As a specific technical scheme of this embodiment, a filter plate 141 is arranged inside the filter pipe 14, an activated carbon mesh 142 is arranged on the side surface of the filter plate 141, the activated carbon mesh 142 is composed of an activated carbon layer uniformly laid by cotton yarn wrapping, and the air after dust fall enters the filter pipe 14 and then sequentially passes through the filter plate 141 and the activated carbon mesh 142 for filtering, so as to ensure that the air entering the sulfur incinerator 2 through the compressed air dryer 15 is in a clean state.
As a specific technical solution of this embodiment, an inlet of the shunt tube 34 is disposed at an upper end of a sidewall of the temporary holding tank 33 close to the gas-liquid mixing tank 31, the shunt tube 34 extends into the gas-liquid mixing tank 31 and forms a plurality of parallel branches, each branch is fixedly connected to a permeate tank 311, an upper end of the permeate tank 311 is open and has a semi-cylindrical structure, grooves 312 are uniformly formed at an upper edge of the permeate tank 311 at equal intervals, the temporary holding tank 33 stores alkali solution, when a liquid level crosses the inlet of the shunt tube 34, the alkali solution enters the permeate tank 311 through the shunt tube 34 and seeps out from the grooves 312, a plurality of strands of fine solution fluid are formed, a contact area between the alkali solution and sulfur dioxide is increased, and reaction efficiency is improved.
As a specific technical scheme of this embodiment, the bottom of gas-liquid mixing tank 31 is provided with first puddler 313, first puddler 313 runs through gas-liquid mixing tank 31 lateral wall and extends to in the blending tank 3 and be connected with the driving motor 39 transmission in the blending tank 3, just the junction of first puddler 313 and gas-liquid mixing tank 31 sets up mechanical seal, and first puddler 313 stirs the alkali lye to gas-liquid mixing tank 31 bottom, promotes the contact of alkali lye and sulfur dioxide gas, further improves reaction efficiency.
As a specific technical scheme of this embodiment, the side of neutralization tank 37 is provided with caustic soda pipe 371, the inside of neutralization tank 37 is provided with second puddler 372, the one end of second puddler 372 runs through neutralization tank 37 and extends to and be connected with driving motor 39 transmission in blending tank 3, and second puddler 372 stirs the mixed liquid in neutralization tank 37, improves the mixed degree of consistency of sodium bisulfite solution and caustic soda, improves neutralization reaction efficiency.
As a specific technical solution of this embodiment, a driving gear 391 is fixedly connected to a rotor of the driving motor 39, a fluted disc 392 is engaged with a side surface of the driving gear 391, a transfer gear 393 is fixedly connected to a side of the fluted disc 392 facing away from the driving gear 391, transmission rods 394 are engaged with both sides of the transfer gear 393, the transmission rods 394 are rod-shaped structures with gears arranged in parallel at both ends, a transmission gear 395 is engaged with one end far away from the transfer gear 393, a connection gear 396 is engaged with a side surface of the transmission gear 395, the two connection gears 396 are positioned on the same straight line, the two connection gears 396 are respectively fixed on the first stirring rod 313 and the second stirring rod 372, the driving motor 39 drives the first stirring rod 313 and the second stirring rod 372 to rotate through transmission connection with the two transmission rods 394, the rotation speeds of the first stirring rod 313 and the second stirring rod 372 are respectively adjusted by changing the specifications of the gears on the two transmission rods 394, the stirring speeds required for the mixing reaction in the gas-liquid mixing tank 31 and the neutralization tank 37 are respectively set.
As a specific technical scheme of this embodiment, compressed air dryer 15 exhales the end and communicates with the air inlet 21 of burning sulphur stove 2, sprue 22 and outside sulphur pipeline intercommunication, the output and the admission valve 32 intercommunication of sulphur removal reactor 25, lye pipe 35 and outside soda solution pipeline intercommunication, burn soda pipe 371 and outside soda solution pipeline intercommunication, compressed air dryer 15 send into burning sulphur stove 2 internal reference sulphur burning after with air treatment case 1 internal purification, the product gas, burner gas obtain sulfur dioxide gas through sulphur removal reactor 25 after the cooling of spent pot 24, sulfur dioxide gas passes through admission valve 32 and mixes with the soda lye, obtains sodium hydrosulfite sodium solution, sodium hydrosulfite sodium solution gets into neutralization groove 37 and the neutralization of soda, finally obtains the sodium hydrosulfite solution.
In conclusion, the device for preparing the sodium sulfite solution is provided with the air treatment box 1 to remove dust and filter the external air, and settle dust in the dust-settling pipe 13, so that the influence of the quality of the external air of the device on the preparation of sulfur dioxide in the sulfur incinerator 2 is reduced, the device is more suitable for industrial parks with poor air quality, the working capacity of the device in environments such as sand storm and the like is improved, and the harm to the preparation of the sodium sulfite solution due to the air quality is reduced; through setting up first puddler 313 and second puddler 372 and stirring sodium sulfite sodium hydrogen solution's preparation and the mixed solution of neutralization in-process, improve the mixing uniformity of reactant to improve mixing efficiency, utilize infiltration groove 311 to be the alkali lye reposition of redundant personnel that participates in sodium sulfite sodium hydrogen solution preparation and be stranded trickle, improve its and sulfur dioxide gas's area of contact, further promote solution preparation in-process chemical reaction's efficiency.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
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 (8)
1. The utility model provides a configuration sodium sulfite solution device, includes air treatment case (1), sulfur burner (2) and blending tank (3), its characterized in that: a sulfur incinerator (2) is arranged at the output end of the air treatment box (1), and a mixing tank (3) is arranged at the output end of the sulfur incinerator (2);
an air inlet pipe (11) is arranged at the left end of the air treatment box (1), an air pump (12) is arranged at the right end of the air inlet pipe (11), a dust falling pipe (13) is arranged at the right end of the air pump (12), a filter pipe (14) is arranged at the right end of the dust falling pipe (13), and a compressed air dryer (15) is arranged at the right end of the filter pipe (14);
an air inlet (21) is formed in one side of the sulfur incinerator (2), a feeding port (22) is formed in the upper end of the sulfur incinerator (2), an incineration chamber (23) is formed in the sulfur incinerator (2), a waste pot (24) is arranged on the side face of the sulfur incinerator (2), and a sulfur removal reactor (25) is arranged at the output end of the waste pot (24);
the upper end of blending tank (3) is provided with gas-liquid mixing tank (31), one side of gas-liquid mixing tank (31) sets up admission valve (32), the side of gas-liquid mixing tank (31) is provided with temporary storage tank (33), the side of temporary storage tank (33) is provided with shunt tubes (34), one side of temporary storage tank (33) is provided with lye pipe (35) that extend to blending tank (3) outside, the lower extreme of gas-liquid mixing tank (31) passes through relay valve body (36) and links to each other with neutralization groove (37), the side of neutralization groove (37) is provided with discharging pipe (38).
2. The apparatus of claim 1, wherein the apparatus comprises: the top of dust fall pipe (13) is provided with spraying spray tube (131), the input of spraying spray tube (131) links to each other with water pump (132), the input of water pump (132) links to each other with outside clean water source, the bottom of dust fall pipe (13) is provided with infiltration mouth (133), the bottom of dust fall pipe (13) is provided with drain pipe (134).
3. The apparatus of claim 1, wherein the apparatus comprises: the filter pipe is characterized in that a filter plate (141) is arranged inside the filter pipe (14), an activated carbon net (142) is arranged on the side face of the filter plate (141), and the activated carbon net (142) is formed by uniformly laying activated carbon layers wrapped by cotton yarns.
4. The apparatus of claim 1, wherein the apparatus comprises: the inlet of shunt tubes (34) is arranged at the upper end of the side wall of a temporary holding tank (33) close to a gas-liquid mixing tank (31), the shunt tubes (34) extend to the inside of the gas-liquid mixing tank (31) and form a plurality of parallel branch circuits, each branch circuit is fixedly connected with a seepage tank (311), the upper end of the seepage tank (311) is provided with an open semi-cylindrical structure, and grooves (312) are uniformly formed in the upper edge of the seepage tank (311) at equal intervals.
5. The apparatus of claim 1, wherein the apparatus comprises: the bottom of gas-liquid mixing tank (31) is provided with first puddler (313), first puddler (313) run through gas-liquid mixing tank (31) lateral wall and extend to in blending tank (3) and be connected with driving motor (39) transmission in blending tank (3), just first puddler (313) sets up mechanical seal with the junction of gas-liquid mixing tank (31).
6. The apparatus of claim 1, wherein the apparatus comprises: the side of neutralization groove (37) is provided with caustic soda pipe (371), the inside of neutralization groove (37) is provided with second puddler (372), the one end of second puddler (372) is run through neutralization groove (37) and is extended to in mixing tank (3) and is connected with driving motor (39) transmission.
7. The apparatus of claim 5, wherein the apparatus comprises: the rotor of driving motor (39) fixedly connected with drive gear (391), the side meshing of drive gear (391) has fluted disc (392), one side fixedly connected with transfer gear (393) that fluted disc (392) deviates from drive gear (391), the both sides meshing of transfer gear (393) has transfer line (394), transfer line (394) are both ends parallel arrangement has the shaft-like structure of gear, and the one end meshing of keeping away from transfer gear (393) has drive gear (395), the side meshing of drive gear (395) has connecting gear (396), two connecting gear (396) are in on the same straight line, and two connecting gear (396) are fixed respectively on first puddler (313) and second puddler (372).
8. The apparatus of claim 6, wherein the apparatus comprises: the air inlet (21) intercommunication of the exhalation end of compressed air desiccator (15) and sulfur burning furnace (2), sprue (22) and outside sulphur pipeline intercommunication, the output and admission valve (32) intercommunication of sulphur removal reactor (25), lye pipe (35) and outside soda solution pipeline intercommunication, soda pipe (371) and outside soda solution pipeline intercommunication.
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| CN202011486564.2A CN112591769A (en) | 2020-12-16 | 2020-12-16 | Device for preparing sodium sulfite solution |
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| CN202011486564.2A CN112591769A (en) | 2020-12-16 | 2020-12-16 | Device for preparing sodium sulfite solution |
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Application publication date: 20210402 |