CN211619952U - Industrial byproduct sodium chloride disposal system - Google Patents
Industrial byproduct sodium chloride disposal system Download PDFInfo
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- CN211619952U CN211619952U CN201922043264.6U CN201922043264U CN211619952U CN 211619952 U CN211619952 U CN 211619952U CN 201922043264 U CN201922043264 U CN 201922043264U CN 211619952 U CN211619952 U CN 211619952U
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- tank
- disposal system
- sodium chloride
- waste gas
- dissolving
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Abstract
The utility model relates to an industrial byproduct sodium chloride disposal system, which comprises an incinerator, a waste gas disposal system and a solid waste disposal system, wherein the top end of the incinerator is provided with an exhaust pipe which is connected with the waste gas disposal system, and the waste gas disposal system comprises a tail gas tank and an absorption tower; the bottom of the incinerator is provided with a discharge end, the discharge end is connected with the solid waste disposal system, and the solid waste disposal system comprises a transmission mechanism, a dissolving tank, an oxidation tank, a filtering device, a crystallization kettle and a drying tower which are sequentially connected. The utility model is suitable for a by-product is the chemical industry technology of sodium chloride, and by-product sodium chloride purity is higher, can reduce toxic gas's emission.
Description
Technical Field
The utility model relates to a device of processing industry byproduct sodium chloride in chemical machinery field.
Background
In the production of various chemical products, a large amount of by-product sodium chloride is generated, wherein various organic or inorganic impurities are doped, and the sodium chloride can be recycled only by purification or purification treatment.
The invention with the patent application number of 2019101770105 discloses a method for refining industrial sodium chloride waste salt slag, wherein the sodium chloride waste salt slag is pretreated by crushing and the like, then is subjected to heat treatment to remove organic matters, then is added with hot water and stirred to completely dissolve soluble salt and then is filtered, the obtained sodium chloride crude salt solution is subjected to purification treatment, is subjected to evaporation concentration, cooling crystallization and drying to obtain a sodium chloride product, and evaporation distilled water is completely recycled for dissolving the salt slag after the heat treatment.
Disclosure of Invention
Utility model purpose: in order to solve the problem, the utility model provides a rationally handle waste gas, waste liquid, obtain the process units of high-purity by-product sodium chloride.
The technical scheme is as follows: the utility model discloses an industrial byproduct sodium chloride disposal system, which comprises an incinerator, a waste gas disposal system and a solid waste disposal system, wherein the top end of the incinerator is provided with an exhaust pipe which is connected with the waste gas disposal system, and the waste gas disposal system comprises a tail gas tank and an absorption tower; the bottom of the incinerator is provided with a discharge end, the discharge end is connected with the solid waste disposal system, and the solid waste disposal system sequentially comprises a transmission mechanism, a dissolving tank, an oxidation tank, a decoloring device, a filtering device, a crystallization kettle and a drying tower from upstream to downstream; wherein the dissolving tank is connected with the oxidation tank through a thick slurry pump and a pipeline; the oxidation tank, the decoloring device, the filtering device, the crystallization kettle and the drying tower are connected through pipelines; the alkali liquor tank is positioned above the absorption tower and the dissolving tank and is respectively connected with the absorption tower and the dissolving tank through pipelines; the hypochlorous acid tank is connected with the oxidation tank through a pipeline.
Preferably, an interlayer is arranged in the dissolving tank and divides the dissolving tank into an upper part and a lower part, wherein the lower part is a sedimentation cavity. The interlayer is provided with holes which are densely distributed and arranged.
Preferably, a spray mechanism is provided in the absorption tower.
Preferably, an activated carbon layer is arranged in the decoloring device, and the lye tank is a sodium hydroxide solution tank.
The utility model discloses the during operation can get into 400 + and 1000 ℃ burn burning furnace through the pipeline with the waste water that contains industry byproduct sodium chloride, and the waste gas that burns the process production gets into from the below of absorption tower through the pipeline, and the solid useless bottom discharge end from burning furnace that produces pours out in burning to transport the dissolving tank through transmission device. The lye tank filled with sodium hydroxide is positioned at a high position and respectively conveys sodium hydroxide solution to the absorption tower and the dissolving tank pipeline. The spraying mechanism in the absorption tower sprays sodium hydroxide downwards to dissolve and absorb acid waste gas and quickly cool the high-temperature waste gas to be below 200 ℃. Dissolving the incinerated solid waste in a dissolving tank, adding a sodium hydroxide solution, and reacting ferric chloride, copper chloride and aluminum chloride contained in the solid waste with the sodium hydroxide solution to obtain a precipitate which is separated out; and pumping the precipitate into an oxidation tank by using a concentrated solution pump, adding hypochlorous acid into the oxidation tank by using a hypochlorous acid tank to remove organic impurities in the precipitate, removing the organic impurities by standing and layering, adding water into the residual inorganic precipitate, feeding the residual inorganic precipitate into a decoloring tank through a pipeline, decoloring and filtering the inorganic precipitate by using an active carbon layer, filtering the inorganic precipitate by using a filtering device, and then feeding the filtrate into a crystallization kettle and a drying tower to dry and crystallize to obtain a high-purity sodium chloride byproduct.
Has the advantages that:
the utility model discloses in set up tail gas jar, absorption tower, sodium hydroxide circulation and spray the structure, can handle the acid waste gas that produces after burning effectively, reduce the pollution of waste gas to the environment.
Ferric chloride, copper chloride and aluminum chloride can be changed into precipitates through reaction by using sodium hydroxide to be separated out, the ferric chloride, the copper chloride and the aluminum chloride are catalysts required by chlorobenzene synthesis of dioxin precursors, and further precursors synthesized by dioxin such as chlorobenzene and the like are prevented from being formed after combustion. The utility model discloses have green, safety and resource utilization's multiple function, be fit for the large-scale production of chemical industry enterprise and use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1-an incinerator; 2-tail gas tank; 3-an absorption column; 4-lye tank; 5-a pump; 6-a dissolving tank; 7-a sedimentation chamber; 8-filtering plate; 9-thick slurry pump; 10-an oxidation tank; 11-a decolorization device; 12-a filtration device; 13-crystallization kettle; 14-a drying tower; 15-an activated carbon layer; 16-a transport mechanism; 17-spraying mechanism.
Detailed Description
Example 1:
the disposal system of the industrial byproduct sodium chloride shown in fig. 1 comprises an incinerator 1, a waste gas disposal system and a solid waste disposal system, wherein an exhaust pipe is arranged at the top end of the incinerator 1 and is connected with the waste gas disposal system, and the waste gas disposal system comprises an exhaust tank 2 and an absorption tower 3; the bottom of the incinerator 1 is provided with a discharge end, the discharge end is connected with the solid waste disposal system, and the solid waste disposal system sequentially comprises a transmission mechanism 16, a dissolving tank 6, an oxidation tank 10, a decoloring device 11, a filtering device 12, a crystallization kettle 13 and a drying tower 14 from upstream to downstream; an activated carbon layer 15 is arranged in the decolorizing device 11. The dissolving tank 6 is connected with the oxidation tank through a thick slurry pump 9 and a pipeline.
Also comprises a sodium hydroxide lye tank 4 and a hypochlorous acid tank 18. The lye tank 4 is positioned above the absorption tower 3 and is respectively connected with the absorption tower 3 and the dissolving tank 6 through pipelines; the hypochlorous acid tank 18 is connected to the oxidation tank 10 through a pipe. And dissolving the incinerated solid waste in a dissolving tank 6, adding a sodium hydroxide solution, and reacting ferric chloride, copper chloride, aluminum chloride and the sodium hydroxide solution to obtain a precipitate which is separated out. And pumping the precipitate into an oxidation tank 10 by using a concentrated solution pump 9, adding hypochlorous acid into the oxidation tank by using a hypochlorous acid tank to remove organic impurities in the precipitate, removing the organic impurities by standing and layering, adding water into the residual inorganic precipitate, feeding the inorganic precipitate into a decoloring tank 11 through a pipeline, decoloring and filtering the inorganic precipitate by using an activated carbon layer 15, filtering the inorganic precipitate by using a filtering device 12, and feeding the filtrate into a crystallization kettle 13 and a drying tower 14 for crystallization and drying to obtain a sodium chloride byproduct with high purity.
Claims (3)
1. The utility model provides an industry by-product sodium chloride deals with system, includes burns burning furnace (1), waste gas handles the system, deals with the system useless admittedly, the top of burning furnace (1) sets up the blast pipe, this blast pipe with waste gas handles the system connection, the bottom of burning furnace (1) sets up the discharge end, this discharge end with it deals with the system connection useless admittedly, its characterized in that: the waste gas disposal system comprises a tail gas tank (2) and an absorption tower (3); the solid waste disposal system comprises a transmission mechanism (16), a dissolving tank (6), an oxidation tank (10), a decoloring device (11), a filtering device (12), a crystallization kettle (13) and a drying tower (14) which are sequentially connected from upstream to downstream; wherein the dissolving tank (6) is connected with the oxidation tank through a thick slurry pump (9) and a pipeline; the oxidation tank (10), the decoloring device (11), the filtering device (12), the crystallization kettle (13) and the drying tower (14) are connected through pipelines; the device also comprises an alkali liquor tank (4) and a hypochlorous acid tank (18), wherein the alkali liquor tank (4) is positioned above the absorption tower (3) and the dissolving tank (6) and is respectively connected with the absorption tower (3) and the dissolving tank (6) through pipelines; the hypochlorous acid tank (18) is connected with the oxidation tank (10) through a pipeline.
2. The system for disposing of industrial by-product sodium chloride according to claim 1, characterized in that: an interlayer (8) is arranged in the dissolving tank (6), the dissolving tank (6) is divided into an upper part and a lower part by the interlayer (8), and the lower part is a precipitation cavity (7); the interlayer (8) is provided with holes which are densely distributed and arranged.
3. The system for disposing of industrial by-product sodium chloride according to claim 1 or 2, characterized in that: an activated carbon layer (15) is arranged in the decoloring device (11); the alkali liquor tank (4) is a sodium hydroxide solution tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922043264.6U CN211619952U (en) | 2019-11-17 | 2019-11-17 | Industrial byproduct sodium chloride disposal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922043264.6U CN211619952U (en) | 2019-11-17 | 2019-11-17 | Industrial byproduct sodium chloride disposal system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211619952U true CN211619952U (en) | 2020-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922043264.6U Active CN211619952U (en) | 2019-11-17 | 2019-11-17 | Industrial byproduct sodium chloride disposal system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211619952U (en) |
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2019
- 2019-11-17 CN CN201922043264.6U patent/CN211619952U/en active Active
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