CN203976396U - Concentrated hydrochloric acid production equipment - Google Patents
Concentrated hydrochloric acid production equipment Download PDFInfo
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- CN203976396U CN203976396U CN201420427824.2U CN201420427824U CN203976396U CN 203976396 U CN203976396 U CN 203976396U CN 201420427824 U CN201420427824 U CN 201420427824U CN 203976396 U CN203976396 U CN 203976396U
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- hydrochloric acid
- salt concentration
- concentrated hydrochloric
- absorption column
- purity
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Abstract
The utility model discloses a kind of concentrated hydrochloric acid production equipment, comprise the synthetic furnace for the synthesis of HCL gas, for storing the high-purity hydrochloric acid tundish of high-purity hydrochloric acid, also comprise high salt concentration acid absorption column and for storing the concentrated hydrochloric acid tundish of concentrated hydrochloric acid, between high salt concentration acid absorption column and high-purity hydrochloric acid tundish, be provided with high-purity hydrochloric acid transfer lime, high-purity hydrochloric acid transfer lime is provided with for high-purity hydrochloric acid is delivered to the concentrated hydrochloric acid absorption pump of high salt concentration acid absorption column by high-purity hydrochloric acid tundish, between high salt concentration acid absorption column and synthetic furnace, be provided with the air shooter for transport of H CL gas in high salt concentration acid absorption column, the bottom of high salt concentration acid absorption column is provided with delivery pipe, between high salt concentration acid absorption column and concentrated hydrochloric acid tundish, by delivery pipe, be connected.The utility model carries out processing unit to the two-in-one oven process production of tradition high purity hydrochloric acid device to be improved, and makes the production equipment of producing high purity hydrochloric acid can produce high purity hydrochloric acid and two products of concentrated hydrochloric acid simultaneously.The utility model is compared with traditional production equipment, and technique is simple, invests lowly, and production cost reduces greatly.
Description
Technical field
The utility model relates to hydrochloric acid production technical field, particularly concentrated hydrochloric acid production equipment.
Background technology
The concentration of technical hydrochloric acid is generally more than 31%, but the concentration of hydrochloric acid that part pharmacy corporation or other industry are used requires more than 37%, the production of concentrated hydrochloric acid is generally directly to adopt HCL gas or distillation hydrochloric acid to produce HCL gas to pass into 31% hydrochloric acid soln and further absorb the content that improves HCL and make.The production of above-mentioned concentrated hydrochloric acid all needs to build separately production equipment, and the complex structure of this production equipment has caused the production cost of concentrated hydrochloric acid too high.
As shown in Figure 1, existing a kind of high-purity high-concentration hydrochloric acid production equipment comprises two-in-one synthetic furnace 11, one-level falling-film absorber 12, secondary falling-film absorber 13, tail gas absorber 14, high-purity hydrochloric acid tundish 15, between one-level falling-film absorber 12 and high-purity hydrochloric acid tundish 15, be provided with liquid discharge pipe, the absorption water that this high-purity high-concentration hydrochloric acid production equipment adopts is deionized water, one time falling-film absorber adopts circulating water, the hydrochloric acid Production Flow Chart of this concentrated hydrochloric acid production equipment is: chlorine and hydrogen enter mixed firing in two-in-one synthetic furnace 11 and generates HCL gas, then HCL gas enters one-level falling-film absorber 12 successively, secondary falling-film absorber 13, tail gas absorber 14 is absorbed from top to bottom by the hydrochloric acid soln of pure water or lower concentration, tail gas enters atmosphere, absorb pure water or diluted acid and first enter tail gas absorber 14, then by potential difference, enter secondary falling-film absorber 13, finally by potential difference, enter one-level falling-film absorber 12, the hydrochloric acid gravity flow that one-level falling-film absorber 12 generates enters hydrochloric acid tundish.Yet above-mentioned concentrated hydrochloric acid production equipment can only be for the production of high-purity hydrochloric acid, concentration of hydrochloric acid of preparing is the highest can only reach 33-34% for it, can not meet the need of production of concentrated hydrochloric acid.
Summary of the invention
The purpose of this utility model is to provide a kind of concentrated hydrochloric acid production equipment, can produce high-purity hydrochloric acid and concentrated hydrochloric acid simultaneously, to solve the baroque problem of existing high density concentrated hydrochloric acid production equipment.
To achieve these goals, the utility model adopts following technical scheme:
A kind of concentrated hydrochloric acid production equipment, comprise the synthetic furnace for the synthesis of HCL gas, for storing the high-purity hydrochloric acid tundish of high-purity hydrochloric acid, also comprise high salt concentration acid absorption column and for storing the concentrated hydrochloric acid tundish of concentrated hydrochloric acid, between described high salt concentration acid absorption column and high-purity hydrochloric acid tundish, be provided with high-purity hydrochloric acid transfer lime, described high-purity hydrochloric acid transfer lime is provided with for high-purity hydrochloric acid is delivered to the concentrated hydrochloric acid absorption pump of high salt concentration acid absorption column by high-purity hydrochloric acid tundish, between described high salt concentration acid absorption column and synthetic furnace, be provided with the air shooter for transport of H CL gas in high salt concentration acid absorption column, the bottom of described high salt concentration acid absorption column is provided with delivery pipe, between high salt concentration acid absorption column and concentrated hydrochloric acid tundish, by delivery pipe, be connected.
Further, by connecting bypass pipe on delivery pipe, the underproof concentrated hydrochloric acid of concentration can be transmitted back to high-purity hydrochloric acid tundish, on the one hand, can improve the qualification rate of the concentrated hydrochloric acid in concentrated hydrochloric acid tundish, on the other hand, can realize the recycling of defective concentrated hydrochloric acid, avoid waste.
Further, gas recovery pipe can not be delivered to one-level falling-film absorber or secondary falling-film absorber by being absorbed HCL gas completely in high salt concentration acid absorption column, has realized the recycling of this part HCL gas, has avoided waste.
Further, adopt graphite falling film absorber as high salt concentration acid absorption column, be conducive to discharge absorption liberated heat, make absorption maintain lower temperature, be conducive to the absorption of hydrogen chloride gas, can effectively guarantee the content of concentrated hydrochloric acid.
The beneficial effects of the utility model: the utility model improves existing high-purity high-concentration hydrochloric acid production equipment, has increased high salt concentration acid absorption column, concentrated hydrochloric acid absorption pump, concentrated hydrochloric acid tundish.The utlity model has advantage simple in structure, adopt this concentrated hydrochloric acid production equipment can carry out the production of high-purity hydrochloric acid and concentrated hydrochloric acid simultaneously.The use principle of this concentrated hydrochloric acid production equipment is: on the one hand, high-purity hydrochloric acid tundish can store high-purity hydrochloric acid; On the other hand, by high density, absorbing hydrochloric acid pump is delivered to high-purity hydrochloric acid in high salt concentration acid absorption column by high-purity hydrochloric acid tundish, by air shooter, the HCL gas in synthetic furnace can be delivered in high salt concentration acid absorption column, high-purity hydrochloric acid can further absorb HCL gas in high salt concentration acid absorption column, thereby can obtain concentrated hydrochloric acid, by delivery pipe, the concentrated hydrochloric acid in high salt concentration acid absorption column can be disposed in concentrated hydrochloric acid tundish.Compare with building separately high density concentrated hydrochloric acid production equipment in prior art, the utlity model has the advantage that cost of investment is low, can greatly reduce the production cost of concentrated hydrochloric acid.
The utility model carries out processing unit to the two-in-one oven process production of tradition high purity hydrochloric acid device to be improved, and makes the production equipment of producing high purity hydrochloric acid can produce high purity hydrochloric acid and two products of concentrated hydrochloric acid simultaneously.The utility model is compared with traditional production equipment, and technique is simple, invests lowly, and production cost reduces greatly.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of existing high-purity high-concentration hydrochloric acid production equipment;
Fig. 2 is the structural representation of a kind of embodiment of concentrated hydrochloric acid production equipment of the present utility model.
Embodiment
A kind of embodiment of concentrated hydrochloric acid production equipment of the present utility model:
As shown in Figure 2, this concentrated hydrochloric acid production equipment comprise synthetic furnace 1 for the synthesis of HCL gas, one-level falling-film absorber 2, secondary falling-film absorber 3, tail gas absorber 4, for storing the high-purity hydrochloric acid tundish 5, high salt concentration acid absorption column 6 of high-purity hydrochloric acid and for storing the concentrated hydrochloric acid tundish 7 of concentrated hydrochloric acid.
The bottom of synthetic furnace 1 is connected with hydrogen pipe 101 and chlorine tube 102, synthetic furnace 1 is communicated with by the first gas pipeline 103 with one-level falling-film absorber 2, between one-level falling-film absorber 2 and secondary falling-film absorber 3, be provided with the second gas pipeline 104, between tail gas absorber 4 and secondary falling-film absorber 3, be provided with the first absorption water pipe 105, between secondary falling-film absorber 3 and one-level falling-film absorber 2, be provided with the second absorption water pipe 106.Between one-level falling-film absorber 2 and high-purity hydrochloric acid tundish 5, be provided with liquid discharge pipe 107, by liquid discharge pipe 107, the high-purity hydrochloric acid in one-level falling-film absorber 2 can be delivered in high-purity hydrochloric acid tundish 5.The bottom of one-level falling-film absorber 2 is provided with circulating pipe 108.
Between high salt concentration acid absorption column 6 and high-purity hydrochloric acid tundish 5, be provided with high-purity hydrochloric acid transfer lime 7, high-purity hydrochloric acid transfer lime 7 is provided with for high-purity hydrochloric acid is delivered to the concentrated hydrochloric acid absorption pump 8 of high salt concentration acid absorption column by high-purity hydrochloric acid tundish, between high salt concentration acid absorption column 6 and synthetic furnace 1, be provided with the air shooter 109 for transport of H CL gas in high salt concentration acid absorption column, the bottom of this high salt concentration acid absorption column 6 is provided with delivery pipe 110, between high salt concentration acid absorption column 6 and concentrated hydrochloric acid tundish 7, by delivery pipe 110, is connected.On delivery pipe 110, be connected with for the underproof concentrated hydrochloric acid of concentration being transmitted back to the bypass pipe 111 of high-purity hydrochloric acid tundish 5.This bypass pipe 11 is provided with for controlling the switch-valve of the break-make of bypass pipe.On high salt concentration acid absorption column 6, be also provided with for unabsorbed HCL gas being delivered to the gas recovery pipe 112 of secondary falling-film absorber.
In the present embodiment, the entrance end of air shooter 109 is located at the top of synthetic furnace, and the exit end of air shooter 109 is located at the top of high salt concentration acid absorption column.The entrance end of gas recovery pipe 112 is located at the bottom of high salt concentration acid absorption column, and the exit end of gas recovery pipe 102 is located at the top of secondary falling-film absorber.The exit end of high-purity hydrochloric acid transfer lime 111 is located at the top of high salt concentration acid absorption column, and the entrance end of high-purity hydrochloric acid transfer lime is located at the bottom of high-purity hydrochloric acid tundish.The exit end of bypass pipe 111 is located at the top of high-purity hydrochloric acid tundish.
In the present embodiment, high salt concentration acid absorption column adopts graphite falling film absorber.In other is implemented, high salt concentration acid absorption column can also adopt airtight enamel still, and this airtight enamel still has cooling jacket.
In order to guarantee the quality of concentrated hydrochloric acid, to the purity of the chlorine of inputting in synthetic furnace, be greater than more than 90%.
The design is the improvement of producing high purity hydrochloric acid device at existing two-in-one oven process, uses concentrated hydrochloric acid production equipment of the present utility model can produce high-purity hydrochloric acid and two kinds of products of concentrated hydrochloric acid simultaneously.
The use principle of above-described embodiment: chlorine and hydrogen enter mixed firing in synthetic furnace 1 and generates HCL gas, then HCL gas enters successively one-level falling-film absorber 2, secondary falling-film absorber 3, tail gas absorber 4 and is absorbed from top to bottom by the hydrochloric acid soln of pure water or lower concentration, tail gas enters atmosphere, absorb pure water or diluted acid and first enter tail gas absorber, then by potential difference, enter secondary falling-film absorber 3, finally by potential difference, enter one-level falling-film absorber 2, the high-purity hydrochloric acid gravity flow generating in one-level falling-film absorber 2 enters high-purity hydrochloric acid tundish 5, in high density, absorb under the effect of hydrochloric acid pump 8, high-purity hydrochloric acid in high-purity hydrochloric acid tundish 5 can be delivered in high salt concentration acid absorption column 6, by air shooter 109, the hydrogen chloride gas in synthetic furnace 1 can be delivered in high salt concentration acid absorption column 6 simultaneously, high-purity hydrochloric acid further absorbing hydrogen chloride gas in high salt concentration acid absorption column, thereby can obtain concentrated hydrochloric acid, by detection, work as the concentration of concentrated hydrochloric acid when qualified, can directly qualified concentrated hydrochloric acid be disposed in concentrated hydrochloric acid tundish 7 by delivery pipe 110, when the concentration of concentrated hydrochloric acid is defective, by bypass pipe 111, underproof concentrated hydrochloric acid is conveyed into recycling in high-purity hydrochloric acid tundish 5.
Compared with prior art, adopt concentrated hydrochloric acid production equipment of the present utility model to prepare concentrated hydrochloric acid, there is production technique simple, invest low, the advantage that production cost is low.
In other embodiment of the present utility model, can also save this gas recovery pipe; Also can save the bypass pipe being connected with delivery pipe.
In other embodiment of the present utility model, gas recovery pipe exit end can also be connected with one-level falling-film absorber.
Claims (8)
1. a concentrated hydrochloric acid production equipment, comprise the synthetic furnace for the synthesis of HCL gas, for storing the high-purity hydrochloric acid tundish of high-purity hydrochloric acid, it is characterized in that: also comprise high salt concentration acid absorption column and for storing the concentrated hydrochloric acid tundish of concentrated hydrochloric acid, between described high salt concentration acid absorption column and high-purity hydrochloric acid tundish, be provided with high-purity hydrochloric acid transfer lime, described high-purity hydrochloric acid transfer lime is provided with for high-purity hydrochloric acid is delivered to the concentrated hydrochloric acid absorption pump of high salt concentration acid absorption column by high-purity hydrochloric acid tundish, between described high salt concentration acid absorption column and synthetic furnace, be provided with the air shooter for transport of H CL gas in high salt concentration acid absorption column, the bottom of described high salt concentration acid absorption column is provided with delivery pipe, between high salt concentration acid absorption column and concentrated hydrochloric acid tundish, by delivery pipe, be connected.
2. concentrated hydrochloric acid production equipment according to claim 1, is characterized in that: on described delivery pipe, be connected with for the underproof concentrated hydrochloric acid of concentration being transmitted back to the bypass pipe of high-purity hydrochloric acid tundish.
3. concentrated hydrochloric acid production equipment according to claim 1, it is characterized in that: also comprise one-level falling-film absorber and secondary falling-film absorber, described high salt concentration acid absorption column is provided with for unabsorbed HCL gas being delivered to the gas recovery pipe of one-level falling-film absorber or secondary falling-film absorber.
4. concentrated hydrochloric acid production equipment according to claim 3, is characterized in that: the entrance end of described gas recovery pipe is located at the bottom of high salt concentration acid absorption column.
5. concentrated hydrochloric acid production equipment according to claim 1, is characterized in that: the exit end of described air shooter is located at the top of high salt concentration acid absorption column.
6. concentrated hydrochloric acid production equipment according to claim 1, is characterized in that: the exit end of described high-purity hydrochloric acid transfer lime is located at the top of high salt concentration acid absorption column.
7. according to the concentrated hydrochloric acid production equipment described in any one in claim 1-6, it is characterized in that: described high salt concentration acid absorption column is graphite falling film absorber.
8. according to the concentrated hydrochloric acid production equipment described in any one in claim 1-6, it is characterized in that: described high salt concentration acid absorption column is airtight enamel still, described airtight enamel still has cooling jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420427824.2U CN203976396U (en) | 2014-07-31 | 2014-07-31 | Concentrated hydrochloric acid production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420427824.2U CN203976396U (en) | 2014-07-31 | 2014-07-31 | Concentrated hydrochloric acid production equipment |
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| CN203976396U true CN203976396U (en) | 2014-12-03 |
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| CN201420427824.2U Expired - Fee Related CN203976396U (en) | 2014-07-31 | 2014-07-31 | Concentrated hydrochloric acid production equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104150443A (en) * | 2014-07-31 | 2014-11-19 | 河南永银化工实业有限公司 | High-concentration hydrochloric acid production device |
| CN109758874A (en) * | 2019-03-11 | 2019-05-17 | 崔立军 | A kind of environment-protective process purifying potassium sulfate production tail gas |
-
2014
- 2014-07-31 CN CN201420427824.2U patent/CN203976396U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104150443A (en) * | 2014-07-31 | 2014-11-19 | 河南永银化工实业有限公司 | High-concentration hydrochloric acid production device |
| CN109758874A (en) * | 2019-03-11 | 2019-05-17 | 崔立军 | A kind of environment-protective process purifying potassium sulfate production tail gas |
| CN109758874B (en) * | 2019-03-11 | 2021-05-28 | 崔立军 | Environment-friendly process for purifying tail gas in potassium sulfate production |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20150731 |
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| EXPY | Termination of patent right or utility model |