CN114057210A - Method and equipment for synthesizing food-grade potassium bisulfite - Google Patents
Method and equipment for synthesizing food-grade potassium bisulfite Download PDFInfo
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- CN114057210A CN114057210A CN202111286559.1A CN202111286559A CN114057210A CN 114057210 A CN114057210 A CN 114057210A CN 202111286559 A CN202111286559 A CN 202111286559A CN 114057210 A CN114057210 A CN 114057210A
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- aqueous solution
- storage cylinder
- potassium bisulfite
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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
Abstract
The invention relates to the technical field of potassium bisulfite synthesis equipment, in particular to a method and equipment for synthesizing food-grade potassium bisulfite; storage cylinder and base swing joint, and be located the top of base, installation semi-ring and storage cylinder fixed connection, and be located the inside wall of storage cylinder, cross filter bag and installation semi-ring fixed connection, and be located the inside wall of installation semi-ring, the one end and the installation semi-ring fixed connection of elasticity rope, the other end and the filter bag fixed connection of elasticity rope, reation kettle and base fixed connection, and be located the top of base, the one end and the reation kettle of feed cylinder are linked together, fortune gas subassembly is linked together with reation kettle and gas holder respectively, the transportation subassembly links to each other with reation kettle, cross the filter bag through the restriction of elasticity rope and rock the orbit, cross the crystal in the filter storage cylinder of filter bag, realize improving the synthetic efficiency of potassium bisulfite.
Description
Technical Field
The invention relates to the technical field of potassium bisulfite synthesis equipment, in particular to a method and equipment for synthesizing food-grade potassium bisulfite.
Background
Potassium bisulfite, also known as potassium bisulfite, is an inorganic chemical product, white crystalline powder. Has strong reducibility, and can be gradually oxidized into sulfate in the air. Decomposed when heated to 190 ℃. Soluble in water and insoluble in ethanol.
At present, potassium bisulfite is prepared by introducing excessive sulfur dioxide into potassium carbonate solution, but the synthesis efficiency of the potassium bisulfite is not good in the synthesis and preparation process.
Disclosure of Invention
The invention aims to provide a method and equipment for synthesizing food-grade potassium bisulfite, and aims to solve the technical problem of poor synthesis efficiency of the potassium bisulfite in the prior art.
In order to achieve the purpose, the food-grade potassium bisulfite synthesis equipment adopted by the invention comprises a base, a storage cylinder, a mounting semi-ring, a filter bag, an elastic rope, a reaction kettle, a charging barrel, an air transportation component, an air storage tank and a transportation component, wherein the storage cylinder is movably connected with the base and is positioned above the base, the mounting semi-ring is fixedly connected with the storage cylinder and is positioned on the inner side wall of the storage cylinder, the filter bag is fixedly connected with the mounting semi-ring and is positioned on the inner side wall of the mounting semi-ring, one end of the elastic rope is fixedly connected with the mounting semi-ring, the other end of the elastic rope is fixedly connected with the filter bag, the reaction kettle is fixedly connected with the base and is positioned above the base, one end of the charging barrel is communicated with the reaction kettle, the gas transporting assembly is respectively communicated with the reaction kettle and the gas storage tank, and the transporting assembly is connected with the reaction kettle.
The elastic rope limits the shaking track of the filter bag, and the filter bag filters crystals in the storage cylinder, so that the synthesis efficiency of the potassium bisulfite is improved.
The gas transporting assembly comprises a gas transporting pipe and a gas valve, one end of the gas transporting pipe is communicated with the reaction kettle, the other end of the gas transporting pipe is communicated with the gas storage tank, and the gas valve is arranged on the gas transporting pipe.
And controlling the gas valve to operate, and circulating the sulfur dioxide gas in the gas storage tank into the reaction kettle through the gas conveying pipe to prepare a concentrated aqueous solution.
The conveying assembly comprises a valve and a dropper, wherein the input end of the valve is communicated with the reaction kettle, and the dropper is communicated with the output end of the valve.
And (4) controlling the valve to be opened by a manufacturer, and enabling the concentrated aqueous solution in the reaction kettle to flow out so as to dry the crystals in the concentrated aqueous solution subsequently.
The food-grade potassium bisulfite synthesis equipment further comprises a closed cover, wherein the closed cover is detachably connected with the charging barrel and is positioned at one end, far away from the reaction kettle, of the charging barrel.
The closed cover is embedded in the charging barrel, so that the reaction kettle is sealed, and sulfur dioxide gas is introduced into the reaction kettle.
The food-grade potassium bisulfite synthesizing equipment further comprises a handle, wherein the handle is fixedly connected with the storage cylinder and is positioned on the outer side wall of the storage cylinder.
The manufacturer may hold the handle and apply a force to move the cartridge into position for potassium bisulfite synthesis.
The food-grade potassium bisulfite synthesis equipment further comprises an observation window, wherein the observation window is fixedly connected with the storage cylinder and penetrates through the outer side wall of the storage cylinder.
The observation window is made of transparent materials, and a producer can observe whether crystals exist in the aqueous solution in the storage cylinder through the observation window so as to determine whether the aqueous solution is saturated.
The invention also provides a synthesis method of the synthesis equipment for the food-grade potassium bisulfite, which comprises the following steps:
adding potassium carbonate into the potassium carbonate aqueous solution until a potassium carbonate saturated aqueous solution is obtained;
filtering crystals in the saturated aqueous solution of potassium carbonate by using the filter bag, and pouring the saturated aqueous solution of potassium carbonate into the reaction kettle;
controlling the gas storage tank to operate, and introducing sulfur dioxide gas into the saturated potassium carbonate aqueous solution through the gas conveying assembly to obtain a concentrated aqueous solution until no carbon dioxide gas is generated in the concentrated aqueous solution, wherein the concentrated aqueous solution is acidic;
controlling the transportation assembly, and carrying out suction filtration and washing on crystals in the concentrated aqueous solution;
and drying the crystals to obtain the potassium bisulfite.
The invention relates to a method and equipment for synthesizing food-grade potassium bisulfite, wherein a worker adds a potassium carbonate aqueous solution into a storage cylinder, adds potassium carbonate into the potassium carbonate aqueous solution until crystals are suspended in the potassium carbonate aqueous solution, so as to determine that the aqueous solution in the storage cylinder is a saturated potassium carbonate aqueous solution, the worker takes up the storage cylinder and pours the saturated potassium carbonate aqueous solution into a reaction kettle, the filter bag filters the crystals in the saturated potassium carbonate aqueous solution, the saturated potassium carbonate aqueous solution extrudes the filter bag in the pouring process, an elastic rope stretches and has a reaction force, after the worker pours the saturated potassium carbonate aqueous solution, the crystals are blocked in the filter bag, the worker puts down the storage cylinder, and the crystals are bounced into the storage cylinder under the reaction force of the elastic rope, the staff controls the operation of the gas transportation assembly, sulfur dioxide gas in the gas storage tank flows into the reaction kettle, so that potassium bisulfite is synthesized, crystals in the storage cylinder are filtered after the aqueous solution in the storage cylinder is determined to be potassium carbonate saturated aqueous solution, and the synthesis efficiency of the potassium bisulfite is improved.
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 structural diagram of a food grade potassium bisulfite synthesizing apparatus of the present invention.
FIG. 2 is a top view of the apparatus for synthesizing food grade potassium bisulfite of the present invention.
FIG. 3 is a front view of the apparatus for synthesizing food grade potassium bisulfite of the present invention.
Fig. 4 is a cross-sectional view of the a-a line structure of fig. 3 of the present invention.
FIG. 5 is a flow chart of the steps of the method of synthesizing food grade potassium bisulfite of the present invention.
1-base, 2-storage cylinder, 3-semi-ring installation, 4-filter bag, 5-elastic rope, 6-reaction kettle, 7-charging cylinder, 8-gas transportation component, 9-gas storage tank, 81-gas transportation pipe, 82-gas valve, 101-transportation component, 102-closing cover, 103-handle, 104-observation window, 105-tabling strip, 106-driving motor, 107-speed reducer, 108-rotating shaft, 109-stirring block, 1011-valve and 1012-dropper.
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 4, the present invention provides a food grade potassium bisulfite synthesizing apparatus, which includes a base 1, a storage cylinder 2, a mounting semi-ring 3, a filter bag 4, an elastic rope 5, a reaction kettle 6, a material cylinder 7, a gas transporting assembly 8, a gas storage tank 9 and a transporting assembly 101, wherein the storage cylinder 2 is movably connected with the base 1 and is located above the base 1, the mounting semi-ring 3 is fixedly connected with the storage cylinder 2 and is located on an inner side wall of the storage cylinder 2, the filter bag 4 is fixedly connected with the mounting semi-ring 3 and is located on an inner side wall of the mounting semi-ring 3, one end of the elastic rope 5 is fixedly connected with the mounting semi-ring 3, the other end of the elastic rope 5 is fixedly connected with the filter bag 4, the reaction kettle 6 is fixedly connected with the base 1 and is located above the base 1, one end of the charging barrel 7 is communicated with the reaction kettle 6, the gas transporting assembly 8 is respectively communicated with the reaction kettle 6 and the gas storage tank 9, and the transporting assembly 101 is connected with the reaction kettle 6.
In this embodiment, the staff adds the potassium carbonate aqueous solution into storage cylinder 2, and adds potassium carbonate into the potassium carbonate aqueous solution, until there is the alert crystal in the suspension of potassium carbonate aqueous solution, thereby confirm that the aqueous solution in storage cylinder 2 is the potassium carbonate saturated aqueous solution, and the staff will storage cylinder 2 is taken up, and pours the potassium carbonate saturated aqueous solution into reation kettle 6 in, at this moment filter bag 4 filters the crystal in the potassium carbonate saturated aqueous solution, and the potassium carbonate saturated aqueous solution is pouring the in-process, extrudeing filter bag 4, elastic rope 5 is tensile, and has reaction force, and after the staff pours the potassium carbonate saturated aqueous solution, the crystal is stopped in filter bag 4, and the staff puts down storage cylinder 2, under the reaction force of elastic rope 5, the crystal is popped into in storage cylinder 2, and the staff controls fortune gas subassembly 8 operates, sulfur dioxide gas in the gas storage tank 9 flows into the reaction kettle 6, so that potassium bisulfite is synthesized, crystals in the storage cylinder 2 are filtered after the aqueous solution in the storage cylinder 2 is determined to be potassium carbonate saturated aqueous solution, and the synthesis efficiency of the potassium bisulfite is improved.
Further, the gas transporting assembly 8 comprises a gas transporting pipe 81 and a gas valve 82, one end of the gas transporting pipe 81 is communicated with the reaction kettle 6, the other end of the gas transporting pipe 81 is communicated with the gas storage tank 9, and the gas valve 82 is arranged on the gas transporting pipe 81.
In the present embodiment, the operator controls the operation of the gas valve 82, and the sulfur dioxide gas in the gas holder 9 is circulated into the reaction vessel 6 through the gas conveying pipe 81 to produce a concentrated aqueous solution, thereby synthesizing potassium bisulfite.
Further, the transportation assembly 101 comprises a valve 1011 and a dropper 1012, wherein an input end of the valve 1011 is communicated with the reaction kettle 6, and the dropper 1012 is communicated with an output end of the valve 1011.
In this embodiment, after the reaction is completed, the manufacturer controls the valve 1011 to open, so that the concentrated aqueous solution in the reaction kettle 6 flows out, so as to perform a subsequent drying process on the crystals in the concentrated aqueous solution.
Further, the food-grade potassium bisulfite synthesis equipment further comprises a closed cover 102, wherein the closed cover 102 is detachably connected with the cylinder 7 and is positioned at one end of the cylinder 7 far away from the reaction kettle 6.
In the present embodiment, the closed cover 102 is fitted into the cartridge 7 to close the inside of the reaction vessel 6, so that sulfur dioxide gas is introduced into the reaction vessel 6, thereby improving the synthesis efficiency.
Further, the food-grade potassium bisulfite synthesis equipment further comprises a handle 103, and the handle 103 is fixedly connected with the storage cylinder 2 and is positioned on the outer side wall of the storage cylinder 2.
In this embodiment, the manufacturer may hold the handle 103 and apply a force to move the cartridge 2 into position for potassium bisulfite synthesis.
Further, the food-grade potassium bisulfite synthesis equipment further comprises an observation window 104, wherein the observation window 104 is fixedly connected with the storage cylinder 2, and the observation window 104 penetrates through the outer side wall of the storage cylinder 2.
In this embodiment, the observation window 104 is made of a transparent material, and a manufacturer can observe whether the aqueous solution in the storage cylinder 2 contains crystals through the observation window 104, thereby determining whether the aqueous solution is saturated.
Further, the food-grade potassium bisulfite synthesizing equipment further comprises an embedding strip 105, a driving motor 106, a speed reducer 107, a rotating shaft 108 and a stirring block 109, wherein the embedding strip 105 is fixedly connected with the storage cylinder 2 and is positioned above the storage cylinder 2, the driving motor 106 is fixedly connected with the embedding strip 105 and is positioned on the outer side wall of the embedding strip 105, the speed reducer 107 is fixedly connected with the output end of the driving motor 106, one end of the rotating shaft 108 is fixedly connected with the output end of the speed reducer 107, the stirring blocks 109 are multiple in number, and each stirring block 109 is respectively fixedly connected with the rotating shaft 108 and is positioned on the outer side wall of the rotating shaft 108.
In this embodiment, the fitting strip 105 supports the driving motor 106, and the driving motor 106 is engaged with the speed reducer 107 to drive the rotating shaft 108 to rotate, so as to drive the plurality of stirring blocks 109 to rotate, so as to stir the aqueous solution in the storage cylinder 2, so that the aqueous solution is sufficiently and uniformly mixed, and the synthesis efficiency of the potassium bisulfite is improved.
Referring to fig. 5, the invention further provides a synthesis method using the above food-grade potassium bisulfite synthesis apparatus, which includes the following steps:
s1: adding potassium carbonate into the potassium carbonate aqueous solution until a potassium carbonate saturated aqueous solution is obtained;
s2: filtering crystals in the saturated aqueous solution of potassium carbonate by using the filter bag 4, waiting for the saturated aqueous solution of potassium carbonate to be sufficiently cooled, and pouring the saturated aqueous solution of potassium carbonate into the reaction kettle 6;
s3: controlling the gas storage tank 9 to operate, and introducing sulfur dioxide gas into the saturated potassium carbonate aqueous solution through the gas transportation assembly 8 to obtain a concentrated aqueous solution until no carbon dioxide gas is generated in the concentrated aqueous solution, wherein the concentrated aqueous solution is acidic;
s4: controlling the transportation assembly 101, and carrying out suction filtration and washing on crystals in the concentrated aqueous solution;
s5: the crystals were placed on filter paper and placed in a nitrogen stream and dried to give potassium bisulfite.
Wherein, potassium carbonate is firstly added into the potassium carbonate aqueous solution until a potassium carbonate saturated aqueous solution is obtained, then the filter bag 4 is used for filtering the crystal in the potassium carbonate saturated aqueous solution, the potassium carbonate saturated aqueous solution is waited for to be fully cooled, then pouring the saturated potassium carbonate aqueous solution into the reaction kettle 6, controlling the gas storage tank 9 to operate, introducing sulfur dioxide gas into the saturated potassium carbonate aqueous solution through the gas transporting assembly 8 to obtain a concentrated aqueous solution until no carbon dioxide gas is generated in the concentrated aqueous solution, wherein the concentrated aqueous solution is acidic, the transport assembly 101 is then controlled, the crystals in the concentrated aqueous solution are filtered with suction and washed, finally the crystals are placed on filter paper and placed in a nitrogen stream, and drying the crystal to obtain the potassium bisulfite, wherein the obtained potassium bisulfite has high synthesis efficiency.
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 (7)
1. A synthesis device of food-grade potassium bisulfite is characterized in that,
the food-grade potassium bisulfite synthesizing equipment comprises a base, a storage cylinder, a mounting semi-ring, a filter bag, an elastic rope, a reaction kettle, a charging barrel, a gas transporting component, a gas storage tank and a transporting component, wherein the storage cylinder is movably connected with the base, and is positioned above the base, the mounting semi-ring is fixedly connected with the storage cylinder and positioned on the inner side wall of the storage cylinder, the filter bag is fixedly connected with the mounting semi-ring, and is positioned on the inner side wall of the installation semi-ring, one end of the elastic rope is fixedly connected with the installation semi-ring, the other end of the elastic rope is fixedly connected with the filter bag, the reaction kettle is fixedly connected with the base, and the gas conveying assembly is respectively communicated with the reaction kettle and the gas storage tank, and the transportation assembly is communicated with the reaction kettle.
2. A plant for the synthesis of food grade potassium bisulfite according to claim 1,
the gas transporting assembly comprises a gas transporting pipe and a gas valve, one end of the gas transporting pipe is communicated with the reaction kettle, the other end of the gas transporting pipe is communicated with the gas storage tank, and the gas valve is arranged on the gas transporting pipe.
3. A plant for the synthesis of food grade potassium bisulfite according to claim 1,
the transportation assembly comprises a valve and a dropper, wherein the input end of the valve is communicated with the reaction kettle, and the dropper is communicated with the output end of the valve.
4. A plant for the synthesis of food grade potassium bisulfite according to claim 1,
the food-grade potassium bisulfite synthesizing equipment further comprises a closed cover, wherein the closed cover is detachably connected with the charging barrel and is positioned at one end, far away from the reaction kettle, of the charging barrel.
5. A plant for the synthesis of food grade potassium bisulfite according to claim 1,
the synthesis equipment of the food-grade potassium bisulfite also comprises a handle, wherein the handle is fixedly connected with the storage cylinder and is positioned on the outer side wall of the storage cylinder.
6. A plant for the synthesis of food grade potassium bisulfite according to claim 1,
the food-grade potassium bisulfite synthesizing equipment further comprises an observation window, wherein the observation window is fixedly connected with the storage cylinder and penetrates through the outer side wall of the storage cylinder.
7. The synthesis method of the synthesis equipment of the food-grade potassium bisulfite according to the claim 1 is characterized by comprising the following steps:
adding potassium carbonate into the potassium carbonate aqueous solution until a potassium carbonate saturated aqueous solution is obtained;
filtering crystals in the saturated aqueous solution of potassium carbonate by using the filter bag, and pouring the saturated aqueous solution of potassium carbonate into the reaction kettle;
controlling the gas storage tank to operate, and introducing sulfur dioxide gas into the saturated potassium carbonate aqueous solution through the gas conveying assembly to obtain a concentrated aqueous solution until no carbon dioxide gas is generated in the concentrated aqueous solution, wherein the concentrated aqueous solution is acidic;
controlling the transportation assembly, and carrying out suction filtration and washing on crystals in the concentrated aqueous solution;
and drying the crystals to obtain the potassium bisulfite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111286559.1A CN114057210B (en) | 2021-11-02 | 2021-11-02 | Method and equipment for synthesizing food-grade potassium hydrogen sulfite |
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| CN202111286559.1A CN114057210B (en) | 2021-11-02 | 2021-11-02 | Method and equipment for synthesizing food-grade potassium hydrogen sulfite |
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| CN114057210A true CN114057210A (en) | 2022-02-18 |
| CN114057210B CN114057210B (en) | 2023-06-27 |
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