CN212669226U - DTSA coproduction sodium sulfite aqueous solution clean production system - Google Patents
DTSA coproduction sodium sulfite aqueous solution clean production system Download PDFInfo
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- CN212669226U CN212669226U CN202020844754.6U CN202020844754U CN212669226U CN 212669226 U CN212669226 U CN 212669226U CN 202020844754 U CN202020844754 U CN 202020844754U CN 212669226 U CN212669226 U CN 212669226U
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- Prior art keywords
- treatment tank
- tank
- pipeline
- valve
- production system
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- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 title claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 41
- 235000010265 sodium sulphite Nutrition 0.000 title claims abstract description 21
- 239000007864 aqueous solution Substances 0.000 title abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 14
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 32
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 17
- 239000007921 spray Substances 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000013461 design Methods 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 40
- 239000000243 solution Substances 0.000 description 15
- 230000015572 biosynthetic process Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000003786 synthesis reaction Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- ZGRWZUDBZZBJQB-UHFFFAOYSA-N benzenecarbodithioic acid Chemical compound SC(=S)C1=CC=CC=C1 ZGRWZUDBZZBJQB-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- RWZYAGGXGHYGMB-UHFFFAOYSA-N anthranilic acid Chemical compound NC1=CC=CC=C1C(O)=O RWZYAGGXGHYGMB-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
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- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The utility model provides a DTSA co-production sodium sulfite aqueous solution clean production system, which comprises a reaction tank, wherein a gas outlet of the reaction tank is connected with a pipeline A, one strand of the pipeline A is connected with a bottom inlet of a treatment tank A, and the other strand of the pipeline A is connected with a bottom inlet of a treatment tank B; a flow meter A is arranged on the pipeline A, a valve A is arranged on a connecting pipeline between the flow meter A and the processing tank A, and a valve B is arranged on a connecting pipeline between the flow meter A and the processing tank B; a gas outlet on the top surface of the treatment tank A is connected with a pipeline B, one strand of the pipeline B is connected with a bottom inlet of the treatment tank A, and the other strand of the pipeline B is connected with a bottom inlet of the treatment tank B; a flow meter B is arranged on the pipeline B, a valve C is arranged on a connecting pipeline between the flow meter B and the treatment tank A, and a valve D is arranged on a connecting pipeline between the flow meter B and the treatment tank B; the liquid outlet of the treatment tank A and the liquid outlet of the treatment tank B are both connected with the adjusting tank. The production system has the advantages of reasonable design and high equipment utilization rate in the system.
Description
Technical Field
The utility model relates to a sodium sulfite aqueous solution production facility technical field, concretely relates to DTSA coproduction sodium sulfite aqueous solution clean production system.
Background
Dithiobenzoic acid is an intermediate, is widely applied to the fields of pharmaceutical industry, chemical industry and the like, has various production methods, takes anthranilic acid as a reactant, and adopts a sulfur dioxide vulcanization synthesis mode most commonly used, and the synthesis mode can produce high-purity dithiobenzoic acid, so that the dithiobenzoic acid is concerned, however, in the synthesis process, the post-treatment process of sulfur dioxide is an important factor for restricting the application of the synthesis mode, and how to have important significance on the post-treatment of sulfur dioxide in the synthesis process.
Among the prior art, the aftertreatment to sulfur dioxide is given first place to solution absorption method, and unnecessary sulfur dioxide in this kind of processing convenience not only can the make full use of system, can obtain different products according to the demand moreover, but, in the absorption process, often can adopt modes such as a plurality of equipment series connection or parallelly connected to absorb sulfur dioxide, cause the a large amount of and the utilization ratio of equipment low of equipment, have certain distance with clean production.
Disclosure of Invention
The utility model provides a DTSA coproduction sodium sulfite water agent clean production system specifically is a production system who is equipped with treatment tank A and treatment tank B, and this production system is through setting up treatment tank A and treatment tank B to through reasonable pipeline setting, improve treatment tank A and treatment tank B's utilization ratio, reduce the quantity of production system inner equipment. By applying the production system to DTSA production, the sodium sulfite aqua can be completely obtained from sulfur dioxide and solution, zero emission of sulfur dioxide is realized, and the aim of clean production is fulfilled. The production system has the advantages of reasonable design and high equipment utilization rate in the system.
On the basis of the prior art, the utility model provides a DTSA co-production sodium sulfite aqua clean production system, which comprises a reaction tank, a treatment tank A, a treatment tank B and an adjusting tank;
a gas outlet of the reaction tank is connected with a pipeline A, the pipeline A is divided into two parts, one part is connected with a bottom inlet of the treatment tank A, and the other part is connected with a bottom inlet of the treatment tank B;
the pipeline A is provided with a flowmeter A, a valve A is arranged on a connecting pipeline between the flowmeter A and the treatment tank A, and a valve B is arranged on a connecting pipeline between the flowmeter A and the treatment tank B;
according to the gas flow in the flowmeter A, the treatment tank A and/or the treatment tank B are/is opened by opening and closing the valve A and/or the valve B, so that the use flexibility of the equipment is improved;
a gas outlet on the top surface of the treatment tank A is connected with a pipeline B, the pipeline B is divided into two parts, one part is connected with a bottom inlet of the treatment tank A, and the other part is connected with a bottom inlet of the treatment tank B;
a flow meter B is arranged on the pipeline B, a valve C is arranged on a connecting pipeline between the flow meter B and the treatment tank A, and a valve D is arranged on a connecting pipeline between the flow meter B and the treatment tank B;
flexibly opening and closing the valve C and/or the valve D according to the gas flow in the flowmeter B, thereby determining the flow direction of the gas;
the liquid outlet of treatment tank A and the liquid outlet of treatment tank B all are connected with the surge tank, because pH value can influence the formation of sodium sulfite water agent, consequently, carry out the preliminary examination back in treatment tank A and treatment tank B, carry out the accuracy to the pH value of solution in the surge tank and adjust to improve the purity of sodium sulfite water agent.
Preferably, the treatment tank A, the treatment tank B and the adjusting tank are respectively provided with a pH detector for monitoring the pH value.
Preferably, the outside of the reaction tank is provided with a jacket, and the temperature of the solution in the reaction tank is controlled by introducing a cold medium or a hot medium into the jacket.
Preferably, the system further comprises a sodium carbonate storage tank connected to the top of the treatment tank a and the treatment tank B, respectively.
Preferably, the treatment tank A and the treatment tank B are both internally provided with spray heads, and the spray heads are both connected with a sodium carbonate storage tank through pipelines; the arrangement of the spray head can further adsorb the escaped sulfur dioxide gas which does not react with the solution in the treatment tank A or the treatment tank B, thereby reducing the discharge of the sulfur dioxide gas.
Preferably, a valve E is arranged on a connecting pipeline between the treatment tank A and the sodium carbonate storage tank, and a valve F is arranged on a connecting pipeline between the treatment tank B and the sodium carbonate storage tank.
Preferably, a valve G is arranged on a connecting pipeline between the liquid outlet of the treatment tank A and the regulating tank, and a valve H is arranged on a connecting pipeline between the liquid outlet of the treatment tank B and the regulating tank.
Compared with the prior art, the utility model has the advantages that the pipeline A is reasonably arranged, the flowmeter A is arranged on the pipeline A, the flow direction of sulfur dioxide gas can be effectively controlled according to the amount of sulfur dioxide, the treatment tank B is not opened under the condition that the treatment tank A can be loaded, and the use flexibility of the equipment is improved; the flexibility of opening and closing the equipment is further improved by arranging the valve A and the valve B; by arranging the pipeline B and the flowmeter B on the pipeline B, when the sulfur dioxide gas in the treatment tank A is excessively escaped, the valve D is opened, the treatment tank B is used for absorbing the redundant sulfur dioxide gas, and if the escaped sulfur dioxide gas is less, the valve C is opened, the sulfur dioxide is circulated into the treatment tank A for repeated absorption so as to achieve the purpose of zero emission, and the utilization rate of equipment and the rationality of the production system are improved; through the setting of equalizing basin, improve the accuracy of solution pH value to improve the purity of the sodium sulfite aqueous solution that obtains. Above-mentioned setting makes this production system have reasonable in design, the practicality is high, use nimble advantage, through rational use pipeline, valve, reaches the purpose that reduces equipment usage and green production.
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, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1-reaction tank, 2-treatment tank A, 3-treatment tank B, 4-regulation tank, 5-jacket, 6-pipeline A, 7-flowmeter A, 8-valve A, 9-valve B, 10-pipeline B, 11-flowmeter B, 12-valve C, 13-valve D, 14-sodium carbonate solution, 15-valve G, 16-valve H, 17-pH detector, 18-sodium carbonate storage tank, 19-spray head, 20-valve E, 21-valve F.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
As shown in fig. 1, the utility model provides a DTSA co-production sodium sulfite aqua clean production system, which comprises a reaction tank 1, a treatment tank a2, a treatment tank B3 and an adjusting tank 4;
a jacket 5 is arranged outside the reaction tank 1, and the temperature of the solution in the reaction tank 1 is controlled by introducing a cold medium or a hot medium into the jacket 5;
a gas outlet of the reaction tank 1 is connected with a pipeline A6, the pipeline A6 is divided into two parts, one part is connected with a bottom inlet of a treatment tank A2, and the other part is connected with a bottom inlet of a treatment tank B3; a pipeline A6 is provided with a flowmeter A7, a connecting pipeline between the flowmeter A7 and the treatment tank A2 is provided with a valve A8, and a connecting pipeline between the flowmeter A7 and the treatment tank B3 is provided with a valve B9;
when in use, a certain amount of sodium carbonate solution 14 can be placed in the treatment tank A2 and the treatment tank B3 in advance; according to the gas flow in the flowmeter A7, the treatment tank A2 and/or the treatment tank B3 are/is opened by opening and closing the valve A8 and/or the valve B9, so that the use flexibility of the equipment is improved;
a gas outlet on the top surface of the treatment tank A2 is connected with a pipeline B10, a pipeline B10 is divided into two parts, one part is connected with a bottom inlet of the treatment tank A2, and the other part is connected with a bottom inlet of the treatment tank B3; a flow meter B11 is arranged on the pipeline B10, a valve C12 is arranged on a connecting pipeline between the flow meter B11 and the treatment tank A2, and a valve D13 is arranged on a connecting pipeline between the flow meter B11 and the treatment tank B3;
according to the gas flow in the flowmeter B11, the valve C12 and/or the valve D13 are/is flexibly opened and closed, so that the flow direction of the gas is determined;
the liquid outlet of the treatment tank A2 and the liquid outlet of the treatment tank B3 are both connected with the adjusting tank 4, and the pH value can influence the formation of the sodium sulfite aqua, so after primary detection is carried out in the treatment tank A2 and the treatment tank B3, the pH value of the solution is accurately adjusted in the adjusting tank 4, so that the purity of the sodium sulfite aqua is improved;
a valve G15 is arranged on a connecting pipeline between the liquid outlet of the treatment tank A2 and the adjusting tank 4, and a valve H16 is arranged on a connecting pipeline between the liquid outlet of the treatment tank B3 and the adjusting tank 4;
the treatment tank A2, the treatment tank B3 and the adjusting tank 4 are respectively provided with a pH detector 17 for monitoring the pH value;
the system also includes a sodium carbonate reservoir 18 having a sodium carbonate solution therein;
a valve E20 is arranged on a connecting pipeline between the treatment tank A2 and the sodium carbonate storage tank 18, and a valve F21 is arranged on a connecting pipeline between the treatment tank B3 and the sodium carbonate storage tank 18;
through foretell setting, make the production system that this application provided in the use, can be nimble adjust sulfur dioxide gas's trend through opening and close of valve, improve equipment's utilization ratio, in addition, the reasonable setting of valve and pipeline has reduced the use amount of equipment in this production system, not only realizes the sulfur dioxide zero release, has realized repetition, make full use of equipment moreover, improve equipment's utilization ratio to make this production system have reasonable in design, convenient to use's advantage.
The present invention has been described in detail above. The terms "upper", "lower", "left" and "right" in the present embodiment are explained with respect to positions in the drawings of the specification. Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A DTSA co-production sodium sulfite aqua clean production system is characterized by comprising a reaction tank, a treatment tank A, a treatment tank B and an adjusting tank;
a gas outlet of the reaction tank is connected with a pipeline A, the pipeline A is divided into two parts, one part is connected with a bottom inlet of the treatment tank A, and the other part is connected with a bottom inlet of the treatment tank B;
the pipeline A is provided with a flowmeter A, a valve A is arranged on a connecting pipeline between the flowmeter A and the treatment tank A, and a valve B is arranged on a connecting pipeline between the flowmeter A and the treatment tank B;
a gas outlet on the top surface of the treatment tank A is connected with a pipeline B, the pipeline B is divided into two parts, one part is connected with a bottom inlet of the treatment tank A, and the other part is connected with a bottom inlet of the treatment tank B;
a flow meter B is arranged on the pipeline B, a valve C is arranged on a connecting pipeline between the flow meter B and the treatment tank A, and a valve D is arranged on a connecting pipeline between the flow meter B and the treatment tank B;
and the liquid outlet of the treatment tank A and the liquid outlet of the treatment tank B are both connected with the regulating tank.
2. The DTSA co-production sodium sulfite aqua clean production system of claim 1, wherein the treatment tank A, the treatment tank B and the adjusting tank are respectively provided with a pH detector.
3. The DTSA co-production sodium sulfite aqua clean production system of claim 1, wherein the outside of the reaction tank is provided with a jacket.
4. The DTSA co-production sodium sulfite aqua clean production system of any one of claims 1 to 3, further comprising a sodium carbonate storage tank, wherein the sodium carbonate storage tank is connected with the top of the treatment tank A and the treatment tank B respectively.
5. The DTSA co-production sodium sulfite aqua clean production system of claim 4, wherein spray heads are arranged in the treatment tank A and the treatment tank B, and the spray heads are connected with a sodium carbonate storage tank through pipelines.
6. The DTSA co-production sodium sulfite aqua clean production system of claim 5, wherein a valve E is arranged on a connecting pipeline between the treatment tank A and the sodium carbonate storage tank, and a valve F is arranged on a connecting pipeline between the treatment tank B and the sodium carbonate storage tank.
7. The DTSA co-production sodium sulfite aqua clean production system of claim 6, wherein a valve G is arranged on a connecting pipeline between the liquid outlet of the treatment tank A and the regulating tank, and a valve H is arranged on a connecting pipeline between the liquid outlet of the treatment tank B and the regulating tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020844754.6U CN212669226U (en) | 2020-05-19 | 2020-05-19 | DTSA coproduction sodium sulfite aqueous solution clean production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020844754.6U CN212669226U (en) | 2020-05-19 | 2020-05-19 | DTSA coproduction sodium sulfite aqueous solution clean production system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212669226U true CN212669226U (en) | 2021-03-09 |
Family
ID=74812807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020844754.6U Expired - Fee Related CN212669226U (en) | 2020-05-19 | 2020-05-19 | DTSA coproduction sodium sulfite aqueous solution clean production system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212669226U (en) |
-
2020
- 2020-05-19 CN CN202020844754.6U patent/CN212669226U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210309 |
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| CF01 | Termination of patent right due to non-payment of annual fee |