CN114159941A - Method and equipment for synthesizing ammonium bisulfite - Google Patents
Method and equipment for synthesizing ammonium bisulfite Download PDFInfo
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- CN114159941A CN114159941A CN202111433067.0A CN202111433067A CN114159941A CN 114159941 A CN114159941 A CN 114159941A CN 202111433067 A CN202111433067 A CN 202111433067A CN 114159941 A CN114159941 A CN 114159941A
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- AOSFMYBATFLTAQ-UHFFFAOYSA-N 1-amino-3-(benzimidazol-1-yl)propan-2-ol Chemical compound C1=CC=C2N(CC(O)CN)C=NC2=C1 AOSFMYBATFLTAQ-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 230000002194 synthesizing effect Effects 0.000 title abstract description 11
- 238000000034 method Methods 0.000 title abstract description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 43
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 43
- 239000011593 sulfur Substances 0.000 claims abstract description 43
- 238000010521 absorption reaction Methods 0.000 claims abstract description 21
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims description 46
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 26
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims description 24
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical group N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 16
- 230000015572 biosynthetic process Effects 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 12
- 238000003786 synthesis reaction Methods 0.000 claims description 12
- 229910021529 ammonia Inorganic materials 0.000 claims description 9
- 239000012535 impurity Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000000779 smoke Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 2
- 238000001308 synthesis method Methods 0.000 claims description 2
- 239000002994 raw material Substances 0.000 abstract description 29
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 abstract description 20
- 230000006378 damage Effects 0.000 abstract description 7
- 230000003647 oxidation Effects 0.000 abstract description 7
- 238000007254 oxidation reaction Methods 0.000 abstract description 7
- 238000002485 combustion reaction Methods 0.000 abstract description 5
- 238000002156 mixing Methods 0.000 abstract description 3
- 238000012824 chemical production Methods 0.000 abstract description 2
- 239000005864 Sulphur Substances 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 30
- 238000000605 extraction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004792 oxidative damage Effects 0.000 description 1
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Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/017—Combinations of electrostatic separation with other processes, not otherwise provided for
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/22—Sulfites of ammonium
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to the technical field of chemical production equipment, in particular to a method and equipment for synthesizing ammonium bisulfite; including the bottom plate, handle the case, the baffle, the sulfur burning furnace, the evaporimeter, the over heater, the absorption tower, the aspiration pump, filtering component and dry subassembly, handle the case, the sulfur burning furnace, the evaporimeter, over heater and absorption tower from left to right install in proper order on the bottom plate, and communicate inside through the pipe, the baffle sets up in the inside of handling the case, and will handle incasement division three cavity, be left cavity respectively, right cavity and lower cavity, the aspiration pump sets up in the outside of handling the case, the output and the left cavity intercommunication of aspiration pump, filtering component sets up on handling the case, dry subassembly is used for the dry air that gets into and handles incasement portion, through getting rid of the moisture in the air raw materials, sulphur mixing combustion again, prevent to produce sulfur trioxide in the burning furnace and cause the oxidation damage to the sulfur burning furnace, the life of sulfur burning furnace is prolonged.
Description
Technical Field
The invention relates to the technical field of chemical production equipment, in particular to a method and equipment for synthesizing ammonium bisulfite.
Background
The ammonium bisulfite solution is an important industrial raw material, and is a raw material for preparing liquid sulfur dioxide, sodium hydrosulfite and sodium hydrosulfite.
In the prior art, ammonium bisulfite is produced by burning sulfur to produce sulfur dioxide and then absorbing the sulfur dioxide with ammonia.
However, in the production process, the air raw material contains more moisture, sulfur trioxide is easily generated by directly mixing and burning the air raw material with sulfur, and the sulfur trioxide has strong oxidizing property, so that the oxidation damage to the sulfur incinerator is easily caused, and the service life of the sulfur incinerator is shortened.
Disclosure of Invention
The invention aims to provide ammonium bisulfite synthesis equipment, which aims to solve the technical problems that in the prior art, ammonium bisulfite is produced by burning sulfur to prepare sulfur dioxide during production and then is produced by absorbing ammonia, but in the production process, air raw materials contain more moisture and are directly mixed with sulfur to be burnt to easily generate sulfur trioxide, and the sulfur trioxide has strong oxidizing property, so that the oxidation damage to an incinerator is easily caused, and the service life of the incinerator is shortened.
In order to achieve the purpose, the invention adopts ammonium bisulfite synthesis equipment which comprises a bottom plate, a treatment box, a partition plate, a sulfur incinerator, an evaporator, a superheater, an absorption tower, an air suction pump, a filtering component and a drying component;
the treatment box the sulfur incinerator the evaporimeter the over heater with the absorption tower from left to right installs in proper order on the bottom plate to respectively through the pipe with inside intercommunication, the baffle sets up the inside of treatment box, and will the treatment incasement divides into three cavity, is left cavity, right cavity and lower cavity respectively, the aspiration pump sets up the outside of handling the case, the output of aspiration pump with left cavity intercommunication, filter assembly sets up on the treatment box, drying assembly is used for the dry entering handle the inside air of incasement portion.
The drying component comprises a heating pipe, an installation box and a fan, the installation box is arranged on the right side face of the treatment box, and the installation box is communicated with the inside of the treatment box; the fan is arranged in the mounting box; the heating pipe is arranged in the right cavity.
Wherein the drying assembly further comprises an activated carbon layer disposed in the lower cavity.
Wherein the drying assembly further comprises a sponge layer disposed in the lower cavity and positioned to the right of the activated carbon layer.
The drying assembly further comprises a drying box, and the drying box is fixedly connected with the treatment box and is positioned on the right side of the sponge layer.
The filter assembly comprises a filter box, an installation groove body and a filter plate, the filter box is arranged on the treatment box and is positioned at the left end of the air suction pump, and the interior of the filter box is communicated with the input end of the air suction pump; the installation groove body is arranged inside the filter box; the filter plate is detachably connected with the installation groove body.
The filter assembly further comprises a filter cover, and the filter cover is detachably connected with the input end of the air suction pump.
A method for synthesizing ammonium bisulfite comprises the following steps:
radiating heat through a heating pipe, and starting a fan to blow the heat radiated by the heating pipe into a left cavity;
starting an air pump to pump outside air into the filter box;
air is filtered through a filter plate and a filter cover arranged at the output end of the air pump, and the filtered air is transferred into the left cavity through the air pump to be mixed with dry hot air and dried;
the dried air is further treated with impurities in the air through an activated carbon layer, and is further dried and dehydrated through a sponge layer;
drying the furnace gas in a drying oven, transferring the furnace gas into a sulfur burning furnace for mixed burning to form sulfur dioxide furnace gas, gradually exchanging heat and cooling the furnace gas through an evaporator, a superheater and an absorption tower, absorbing the furnace gas through secondary ammonia to generate an ammonium bisulfite product, and absorbing the tail gas through primary water to remove smoke and electric defogging, and discharging the tail gas up to the standard.
According to the ammonium bisulfite synthesis equipment, dry hot gas is generated by the drying component and transferred into the left cavity, outside air is extracted by the air extraction pump, the extracted air raw material is filtered by the filtering component to remove impurities in the air, the filtered air raw material is transferred into the left cavity by the air extraction pump, the air raw material enters the left cavity and is mixed and dried with the dry hot gas in the left cavity, after the drying component is dried, the air raw material is transferred into the sulfur burning furnace through a conduit to be mixed and burned with sulfur to form furnace gas rich in sulfur dioxide, the furnace gas gradually exchanges heat and cools by the evaporator, the superheater and the absorption tower, and is absorbed by secondary ammonia to generate an ammonium bisulfite product, and the tail gas is subjected to primary water absorption smoke removal and electric defogging, discharge up to standard, through getting rid of the moisture in the air raw materials, sulfur co-combustion again prevents to be in it produces sulfur trioxide to burn in the sulfur incinerator to cause the oxidation damage, extension the life of sulfur incinerator.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the construction of an ammonium bisulfite synthesizing apparatus of the present invention.
FIG. 2 is a front view of an ammonium bisulfite synthesis apparatus of the present invention.
FIG. 3 is a schematic view of the inside structure of the treatment tank of the present invention.
FIG. 4 is a step diagram of the ammonium bisulfite synthesis method of the present invention.
In the figure: 1-bottom plate, 2-treatment box, 3-partition plate, 4-sulfur burner, 5-evaporator, 6-superheater, 7-absorption tower, 8-air pump, 9-filtering component, 10-drying component, 11-left cavity, 12-right cavity, 13-lower cavity, 14-rotating motor, 15-shaft rod, 16-blade, 17-spiral pipe, 91-filtering box, 92-installation groove body, 93-filtering plate, 94-filtering cover, 101-heating pipe, 102-installation box, 103-fan, 104-activated carbon layer, 105-sponge layer and 106-drying box.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 3, the present invention provides an ammonium bisulfite synthesizing apparatus, which includes a bottom plate 1, a treatment tank 2, a partition plate 3, a sulfur incinerator 4, an evaporator 5, a superheater 6, an absorption tower 7, an air pump 8, a filter assembly 9 and a drying assembly 10;
the treatment box 2, the sulfur incinerator 4, the evaporator 5, the over heater 6 and the absorption tower 7 are sequentially installed from left to right on the bottom plate 1 and are communicated with the inside through a guide pipe respectively, the partition plate 3 is arranged in the treatment box 2 and divides the inside of the treatment box 2 into three cavities, namely a left cavity 11, a right cavity 12 and a lower cavity 13 respectively, the air suction pump 8 is arranged on the outer side of the treatment box 2, the output end of the air suction pump 8 is communicated with the left cavity 11, the filtering component 9 is arranged on the treatment box 2, and the drying component 10 is used for drying air entering the inside of the treatment box 2.
In this embodiment, the type of the air pump 8 is VCH1028, the air pump 8 is bolted to the upper surface of the processing box 2, the partition plate 3 is fixed inside the processing box 2, the partition plate 3 is T-shaped, the inside of the processing box 2 is partitioned into three cavities by the partition plate 3, so that dry hot air is generated by the drying assembly 10 and transferred into the left cavity 11, outside air is extracted by the air pump 8, the extracted air raw material is filtered by the filtering assembly 9 to remove impurities in the air, the filtered air raw material is transferred into the left cavity 11 by the air pump 8, the air raw material is mixed and dried with the dry hot air inside the left cavity 11 after entering the left cavity 11, and after the drying assembly 10 is dried, the air raw material is transferred into the sulfur incinerator 4 through a conduit to be mixed and incinerated with sulfur, form the burner gas that is rich in sulfur dioxide, the burner gas warp evaporimeter 5 the over heater 6 with absorption tower 7 is after the heat transfer cooling gradually, again through second grade ammonia absorption back, generates ammonium bisulfite product, and tail gas is again through one-level water absorption smoke abatement and electric defogging back, discharge to reach standard, through getting rid of the moisture in the air raw materials, sulfur co-combustion again prevents to burn in the sulfur incinerator 4 and produce sulfur trioxide right the sulfur incinerator 4 causes the oxidation damage, prolongs the life of sulfur incinerator 4.
Further, referring to fig. 3, the drying assembly 10 includes a heating pipe 101, a mounting box 102 and a fan 103, the mounting box 102 is disposed on the right side surface of the processing box 2, and the mounting box 102 is communicated with the inside of the processing box 2; the fan 103 is arranged in the installation box 102; the heating pipe 101 is disposed in the right cavity 12.
Further, referring to fig. 3, the drying assembly 10 further includes an activated carbon layer 104, and the activated carbon layer 104 is disposed in the lower cavity 13.
Further, referring to fig. 3, the drying assembly 10 further includes a sponge layer 105, and the sponge layer 105 is disposed in the lower cavity 13 and right to the activated carbon layer 104.
Further, referring to fig. 3, the drying assembly 10 further includes a drying box 106, and the drying box 106 is fixedly connected to the processing box 2 and is located at the right side of the sponge layer 105.
In this embodiment, the installation box 102 is fixed on the right side of the processing box 2 by bolts, the installation box 102 is communicated with the inside of the processing box 2, the installation box 102 is made of a material with good heat conduction effect, the type of the fan 103 is XH12038S, the fan 103 is fixed inside the installation box 102 by bolts, the heating pipe 101 is fixedly installed in the right cavity 12, the partition plate 3 is provided with through holes to communicate the left cavity 11 with the right cavity 12, heat is generated by the operation of the heating pipe 101, the fan 103 is operated to blow dry hot air in the right cavity 12 into the left cavity 11, then external air is extracted by the air extraction pump 8, and after being filtered by the filter assembly 9, the dry hot air is transferred to the left cavity 11 to be mixed with the dry hot air in the left cavity 11 for drying treatment, the air after the processing passes through the through-hole of baffle 3 gets into in the cavity 13 down, and pass through activated carbon layer 104 filters, goes the impurity processing once more, through sponge layer 105 absorbs water again and handles, passes through at last the drier in the drying cabinet 106 carries out final drying, thereby accomplishes the moisture desorption processing to the air raw materials, prevents to burn in the incinerator 4 and produce sulfur trioxide to it is right incinerator 4 causes the oxidative damage, the extension the life of incinerator 4.
Further, referring to fig. 1 to 3, the filter assembly 9 includes a filter box 91, a mounting groove 92 and a filter plate 93, the filter box 91 is disposed on the treatment box 2 and is located at the left end of the air pump 8, and the inside of the filter box 91 is communicated with the input end of the air pump 8; the installation groove 92 is arranged inside the filter box 91; the filter plate 93 is detachably connected with the installation groove body 92.
Further, referring to fig. 3, the filter assembly 9 further includes a filter cover 94, and the filter cover 94 is detachably connected to the input end of the air pump 8.
In this embodiment, the filter box 91 is bolted to the upper surface of the treatment box 2 and is located at the left end of the air pump 8, the filter box 91 is provided with an openable box door, two installation groove bodies 92 are provided, which are respectively installed on the upper top surface and the lower bottom surface inside the filter box 91 and are arranged in an up-and-down symmetrical manner with the center line of the filter box 91, the filter plate 93 is inserted into the two installation groove bodies 92, the filter plate 93 is provided with a plurality of filter holes, the filter cover 94 is in threaded connection with the input end of the air pump 8 and is located at the right side of the filter plate 93 inside the filter box 91, the filter cover 94 is provided with a plurality of fine filter holes, and the air filtered by the air pump 8 is pumped into the filter box 91 and filtered by the filter plate 93, and the filtered air is transferred to the left cavity 11 inside the treatment box 2 by the air pump 8, thereby realizing the suction and filtration of the outside air into the inside of the treatment tank 2, and the filter plate 93 and the filter housing 94 are easily detached and cleaned by opening the tank cover of the filter tank 91.
Further, referring to fig. 2 and 3, the ammonium bisulfite synthesizing apparatus further includes a rotating motor 14, a shaft rod 15 and a blade 16, wherein the rotating motor 14 is fixedly connected to the processing box 2 and is located on a side of the processing box 2 away from the installation box 102; one end of the shaft lever 15 is fixedly connected with the output end of the rotating motor 14, and the other end of the shaft lever extends into the left cavity 11; the paddle 16 is fixedly attached to the outside of the shaft 15.
In this embodiment, the rotating electrical machine 14 is mounted on the left side surface of the processing box 2 by bolts, the left end of the shaft rod 15 is fixed to the output end of the rotating electrical machine 14, the right end of the shaft rod 15 extends into the left cavity 11 and the bearing inside the partition plate 3, the shaft rod 15 is supported by the bearing, a plurality of paddles 16 are distributed on the outer circumference of the shaft rod 15 in an array manner, the rotating electrical machine 14 drives the shaft rod 15 to rotate, so that the paddles 16 are driven to rotate in the left cavity 11, dry hot air is more fully contacted with filtered air raw materials, and drying efficiency is improved.
Further, referring to fig. 3, the ammonium bisulfite synthesizing apparatus further includes a spiral pipe 17, and the spiral pipe 17 is fixedly connected to the partition plate 3 and communicates the left cavity 11 with the lower cavity 13.
In the present embodiment, the spiral pipe 17 is fixed in the through hole of the partition board 3, and the left chamber 11 and the lower chamber 13 are communicated through the spiral pipe 17, the filtered air raw material and the dry hot air in the left chamber 11 are mixed and dried, and when entering the lower chamber 13 through the spiral pipe 17, the two are spirally conveyed in the spiral pipe 17 through the spiral pipe 17, so that the two are more fully contacted, and the drying is more sufficient.
Referring to fig. 4, a method for synthesizing ammonium bisulfite includes the following steps:
s601: radiating heat through a heating pipe 101, and starting a fan 103 to blow the heat radiated by the heating pipe 101 into a left cavity 11;
s602, starting the air suction pump 8 to suck outside air into the filter box 91;
s603: air is filtered through a filter plate 93 and a filter cover 94 arranged at the output end of the air suction pump 8, and the filtered air is transferred into the left cavity 11 through the air suction pump 8 to be mixed with dry hot air for drying treatment;
s604: the dried air passes through an activated carbon layer to further treat impurities in the air, and passes through a sponge layer 105 to be further dried and dehydrated;
s605: after being dried by the drying box 106, the flue gas is transferred into the sulfur incinerator 4 for mixed incineration to form sulfur dioxide furnace gas, the furnace gas is subjected to heat exchange and temperature reduction gradually by the evaporator 5, the superheater 6 and the absorption tower 7, and then is subjected to secondary ammonia absorption to generate an ammonium bisulfite product, and the tail gas is subjected to primary water absorption smoke removal and electric defogging and then is discharged after reaching the standard.
In this embodiment, heat is generated by the operation of the heating pipe 101, the fan 103 operates to blow dry hot air in the right chamber 12 into the left chamber 11, outside air is sucked into the filter box 91 by starting the air suction pump 8, and after being filtered by the filter plate 93 and the filter cover 94, the filtered air is transferred into the left chamber 11 inside the treatment box 2 by the air suction pump 8, the shaft rod 15 is driven to rotate by the rotating motor 14, so that the paddle 16 is driven to rotate in the left chamber 11, so that the dry hot air is mixed with the filtered air raw material, and when entering the lower chamber 13 through the spiral pipe 17, the dry hot air and the filtered air raw material are spirally conveyed in the spiral pipe 17 through the spiral pipe 17, so that the dry hot air and the filtered air raw material are more fully contacted, filtering through an activated carbon layer 104, removing impurities again, absorbing water again through a sponge layer 105, finally drying through a drying agent in a drying box 106, thereby completing the moisture removal treatment of air raw materials, preventing sulfur trioxide generated by combustion in the sulfur incinerator 4 from causing oxidation damage to the sulfur incinerator 4, prolonging the service life of the sulfur incinerator 4, leading dry air raw materials to enter the sulfur incinerator 4, mixing and burning with atomized liquid sulfur sprayed by a sulfur pump to form sulfur dioxide-rich furnace gas, generating high temperature about 1000 ℃ in the process, leading the furnace gas to pass through an evaporator 5, a superheater 6 and an absorption tower 7 for gradually exchanging heat and cooling, reducing the temperature of the furnace gas to be below 60 ℃, simultaneously purifying impurities such as ash in the furnace gas, and generating a low-pressure superheated steam jacket of 1.0MPa and 210 ℃ in the heat exchange process for a plant area heat unit, and absorbing the cooled sulfur dioxide gas by secondary ammonia to generate an ammonium bisulfite product, and absorbing the tail gas by primary water to remove smoke and electric defogging, so that the tail gas reaches the standard and is discharged.
According to the ammonium bisulfite synthesizing equipment, dry hot gas is generated by the drying component 10 and transferred into the left cavity 11, outside air is extracted by the air extracting pump 8, the extracted air raw material is filtered by the filtering component 9 to remove impurities in the air, the filtered air raw material is transferred into the left cavity 11 by the air extracting pump 8, the air raw material is mixed and dried with the dry hot gas in the left cavity 11 after entering the left cavity 11, the air raw material is transferred into the sulfur incinerator 4 through a conduit after being dried by the drying component 10 to be mixed and incinerated with sulfur to form sulfur dioxide-rich furnace gas, the furnace gas is gradually subjected to heat exchange and temperature reduction by the evaporator 5, the superheater 6 and the absorption tower 7, and then is absorbed by secondary ammonia to generate an ammonium bisulfite product, tail gas absorbs smoke abatement and electric defogging back through one-level water again, and discharge to reach standard through getting rid of the moisture in the air raw materials, sulfur co-combustion again prevents to burn in the sulfur incinerator 4 and produces sulfur trioxide right the sulfur incinerator 4 causes the oxidation damage, prolongs the life of sulfur incinerator 4.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The ammonium bisulfite synthesis equipment is characterized by comprising a bottom plate, a treatment box, a partition plate, a sulfur incinerator, an evaporator, a superheater, an absorption tower, an air suction pump, a filtering component and a drying component;
the treatment box the sulfur incinerator the evaporimeter the over heater with the absorption tower from left to right installs in proper order on the bottom plate to respectively through the pipe with inside intercommunication, the baffle sets up the inside of treatment box, and will the treatment incasement divides into three cavity, is left cavity, right cavity and lower cavity respectively, the aspiration pump sets up the outside of handling the case, the output of aspiration pump with left cavity intercommunication, filter assembly sets up on the treatment box, drying assembly is used for the dry entering handle the inside air of incasement portion.
2. The ammonium bisulfite synthesis apparatus according to claim 1,
the drying component comprises a heating pipe, an installation box and a fan, the installation box is arranged on the right side face of the treatment box, and the installation box is communicated with the inside of the treatment box; the fan is arranged in the mounting box; the heating pipe is arranged in the right cavity.
3. The ammonium bisulfite synthesis apparatus according to claim 2,
the drying assembly further includes an activated carbon layer disposed in the lower cavity.
4. The ammonium bisulfite synthesis apparatus according to claim 3,
the drying assembly further comprises a sponge layer, and the sponge layer is arranged in the lower cavity and positioned on the right of the activated carbon layer.
5. The ammonium bisulfite synthesis apparatus according to claim 4,
the drying component further comprises a drying box, and the drying box is fixedly connected with the processing box and is positioned on the right side of the sponge layer.
6. The ammonium bisulfite synthesis apparatus according to claim 1,
the filter assembly comprises a filter box, an installation groove body and a filter plate, the filter box is arranged on the treatment box and is positioned at the left end of the air pump, and the interior of the filter box is communicated with the input end of the air pump; the installation groove body is arranged inside the filter box; the filter plate is detachably connected with the installation groove body.
7. The ammonium bisulfite synthesis apparatus according to claim 6,
the filter assembly further comprises a filter cover, and the filter cover is detachably connected with the input end of the air suction pump.
8. An ammonium bisulfite synthesis method applied to the ammonium bisulfite synthesis apparatus according to claim 1, characterized by comprising the following steps:
radiating heat through a heating pipe, and starting a fan to blow the heat radiated by the heating pipe into a left cavity;
starting an air pump to pump outside air into the filter box;
air is filtered through a filter plate and a filter cover arranged at the output end of the air pump, and the filtered air is transferred into the left cavity through the air pump to be mixed with dry hot air and dried;
the dried air is further treated with impurities in the air through an activated carbon layer, and is further dried and dehydrated through a sponge layer;
drying the furnace gas by a drying box, transferring the furnace gas into a sulfur burning furnace for mixed burning to form sulfur dioxide furnace gas, gradually exchanging heat and cooling the furnace gas by an evaporator, a superheater and an absorption tower, absorbing the furnace gas by secondary ammonia to generate an ammonium bisulfite product, and absorbing the tail gas by primary water to remove smoke and electric defogging, and discharging the tail gas up to the standard.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111433067.0A CN114159941A (en) | 2021-11-29 | 2021-11-29 | Method and equipment for synthesizing ammonium bisulfite |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111433067.0A CN114159941A (en) | 2021-11-29 | 2021-11-29 | Method and equipment for synthesizing ammonium bisulfite |
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| CN114159941A true CN114159941A (en) | 2022-03-11 |
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| CN202111433067.0A Pending CN114159941A (en) | 2021-11-29 | 2021-11-29 | Method and equipment for synthesizing ammonium bisulfite |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5273727A (en) * | 1991-07-16 | 1993-12-28 | Energy Conservation Partnership, Ltd. | Flue gas purification and production of dry ammonium bisulfites and bisulfates |
| AR059455A1 (en) * | 2007-02-15 | 2008-04-09 | Angelini Holmer Victorio | PROCESS OF CONVERSION OF SULFUR DIOXIDE IN SALTS OF COMMERCIAL INTEREST |
| CN102228777A (en) * | 2011-05-23 | 2011-11-02 | 潍坊恒安散热器集团有限公司 | Double-oxidation ammonia desulfurization process and device |
| CN111017957A (en) * | 2019-11-06 | 2020-04-17 | 启东亚太药业有限公司 | Production device for producing ammonium bisulfite by sulfur burning method |
| CN210602621U (en) * | 2019-07-10 | 2020-05-22 | 湖北兴田生物科技有限公司 | Automatic dry discharging device of fertilizer |
| CN112973412A (en) * | 2021-04-04 | 2021-06-18 | 山东天泰钢塑有限公司 | Process and device for producing ammonium sulfite and by-producing ammonium thiosulfate liquid fertilizer |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5273727A (en) * | 1991-07-16 | 1993-12-28 | Energy Conservation Partnership, Ltd. | Flue gas purification and production of dry ammonium bisulfites and bisulfates |
| AR059455A1 (en) * | 2007-02-15 | 2008-04-09 | Angelini Holmer Victorio | PROCESS OF CONVERSION OF SULFUR DIOXIDE IN SALTS OF COMMERCIAL INTEREST |
| CN102228777A (en) * | 2011-05-23 | 2011-11-02 | 潍坊恒安散热器集团有限公司 | Double-oxidation ammonia desulfurization process and device |
| CN210602621U (en) * | 2019-07-10 | 2020-05-22 | 湖北兴田生物科技有限公司 | Automatic dry discharging device of fertilizer |
| CN111017957A (en) * | 2019-11-06 | 2020-04-17 | 启东亚太药业有限公司 | Production device for producing ammonium bisulfite by sulfur burning method |
| CN112973412A (en) * | 2021-04-04 | 2021-06-18 | 山东天泰钢塑有限公司 | Process and device for producing ammonium sulfite and by-producing ammonium thiosulfate liquid fertilizer |
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