CN216205409U - Energy-saving steam condensate recovery unit is used in chlor-alkali production - Google Patents
Energy-saving steam condensate recovery unit is used in chlor-alkali production Download PDFInfo
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- CN216205409U CN216205409U CN202122674892.1U CN202122674892U CN216205409U CN 216205409 U CN216205409 U CN 216205409U CN 202122674892 U CN202122674892 U CN 202122674892U CN 216205409 U CN216205409 U CN 216205409U
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- outlet pipe
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- 239000003513 alkali Substances 0.000 title claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000011084 recovery Methods 0.000 title claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 84
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 81
- 238000010521 absorption reaction Methods 0.000 claims abstract description 29
- 238000001704 evaporation Methods 0.000 claims abstract description 26
- 238000009833 condensation Methods 0.000 claims abstract description 19
- 230000005494 condensation Effects 0.000 claims abstract description 19
- 230000008020 evaporation Effects 0.000 claims abstract description 15
- 230000004069 differentiation Effects 0.000 claims description 13
- 238000007670 refining Methods 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims description 2
- 238000005057 refrigeration Methods 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 5
- 239000000872 buffer Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses an energy-saving steam condensate water recovery device for chlor-alkali production, which comprises a main cooling pipe, wherein a first cooling part and a second cooling part are arranged on the main cooling pipe, the tops of the first cooling part and the second cooling part are fixedly provided with a first evaporating plate and a second evaporating plate respectively, a first water outlet pipe arranged on the first cooling part, a second water outlet pipe arranged on the second cooling part and a third water outlet pipe are respectively provided with a condensation spiral pipe, and the ports of the first water outlet pipe, the second water outlet pipe and the third water outlet pipe extend into a water vapor absorption tank arranged below the main cooling pipe. The utility model discloses a chlor-alkali production is with energy-saving steam condensate recovery unit, let in main cooling tube through the chlor-alkali steam to the evaporation in to carry out first step condensation through being provided with first cooling part and second cooling part on the main cooling tube, the condensation spiral pipe carries out the cooling of second step to chlor-alkali steam, and unnecessary vapor absorbs through the aqueous vapor absorption tank.
Description
Technical Field
The utility model relates to an energy-saving steam condensate water recovery device for chlor-alkali production.
Background
In the process of chlor-alkali evaporation crystallization, water in dilute chlor-alkali solution is generally required to be evaporated so as to increase the concentration of chlor-alkali solution, and finally, chlor-alkali extraction production is carried out on chlor-alkali solution with the concentration of chlor-alkali solution.
According to patent No. CN201822205440.7, a chlor-alkali multiple effect evaporation condensate recovery device is disclosed, comprising: the system comprises a first-effect evaporator, a second-effect evaporator, a third-effect evaporator, a surface condenser, a low-temperature condensation water tank, a catholyte head tank and an electrolytic bath; the first-effect evaporator is communicated with a boiler steam pipeline and then sequentially communicated with the second-effect evaporator, the third-effect evaporator, the surface condenser and the low-temperature condensate water tank; the two-effect evaporator and the three-effect evaporator are communicated with a low-temperature condensation water tank, the low-temperature condensation water tank is communicated with a first feed port of the cathode liquid head tank, an electrolytic bath is communicated with a discharge port of the cathode liquid head tank, and meanwhile, a second feed port of the cathode liquid head tank is communicated with an alkali liquor circulation tank.
In a general evaporation extraction process, a common single-port condensation method cannot completely recover evaporated water gas due to low condensation efficiency, so that chlor-alkali doped steam is leaked in the air, the air is polluted, waste is caused to chlor-alkali steam leaked by evaporation, the cost is increased, and the problem of low efficiency is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an energy-saving steam condensate water recovery device for chlor-alkali production, which greatly increases the efficiency of chlor-alkali steam condensation by multi-stage condensation and absorption and utilization of redundant steam.
In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides an energy-saving steam condensate recovery unit is used in chlor-alkali production, includes the main cooling tube, be provided with first cooling portion and second cooling portion on the main cooling tube, first evaporating plate and second evaporating plate are installed respectively to the top of first cooling portion and second cooling portion is fixed, install the condensation spiral pipe on second outlet pipe, the third outlet pipe that sets up on the first cooling portion and the second cooling portion respectively, the port of first outlet pipe, second outlet pipe and third outlet pipe extends to in the aqueous vapor absorption tank that sets up under the main cooling tube.
Preferably, the ports of the first water outlet pipe, the second water outlet pipe and the third water outlet pipe are provided with bubble refining mesh enclosures, the inside of the first cooling part and the inside of the second cooling part communicating pipe are fixedly provided with steam buffering meshes, and the refrigerating surfaces of the first evaporating plate and the second evaporating plate are respectively attached to the tops of the first cooling part and the second cooling part.
Preferably, a boss is arranged in the water vapor absorption groove, and condensate is filled in the water vapor absorption groove.
Preferably, a boss is arranged in the water vapor absorption tank, a bubble differentiation net is erected on the boss, a through hole is formed in the bubble differentiation net, and the first water outlet pipe, the second water outlet pipe and the third water outlet pipe penetrate through the through hole and extend to the bottom of the water vapor absorption tank.
Preferably, the bubble differentiation network and the moisture absorption groove are made of corrosion-resistant metal.
In the technical scheme, the energy-saving steam condensate water recovery device for chlor-alkali production provided by the utility model has the following beneficial effects: the chlor-alkali steam through to the evaporation lets in main cooling tube in, and carry out first step condensation through being provided with first cooling portion and second cooling portion on the main cooling tube, be located the first outlet pipe of connecting on first cooling portion and the second cooling portion, the condensation spiral pipe of second outlet pipe and third outlet pipe outer wall installation, carry out the cooling of second step to chlor-alkali steam, unnecessary vapor absorbs through aqueous vapor absorption tank, make chlor-alkali steam absorb refrigerated efficiency greatly increased, and can retrieve the liquid of condensation.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic diagram of an overall structure of a main cooling pipe according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a primary cooling tube according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a portion of a main cooling pipe according to an embodiment of the present invention.
Description of reference numerals:
1. a primary cooling tube; 2. a first evaporation plate; 3. a condensing spiral tube; 4. a second evaporation plate; 5. a steam buffer net; 6. bubble refining net cover; 7. a bubble differentiation network; 8. a water vapor absorption tank; 11. a first cooling section; 12. a second cooling section; 13. a first water outlet pipe; 14. a second water outlet pipe; 15. a third water outlet pipe; 71. perforating; 81. and (4) a boss.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1-3, an energy-saving steam condensate recovery device for chlor-alkali production comprises a main cooling pipe 1, wherein a first cooling part 11 and a second cooling part 12 are arranged on the main cooling pipe 1, a first evaporating plate 2 and a second evaporating plate 4 are fixedly arranged at the top of the first cooling part 11 and the top of the second cooling part 12 respectively, a first water outlet pipe 13 arranged on the first cooling part 11, a second water outlet pipe 14 arranged on the second cooling part 12, and a condensing spiral pipe 3 are arranged on a third water outlet pipe 15 respectively, and the ports of the first water outlet pipe 13, the second water outlet pipe 14, and the third water outlet pipe 15 extend into a water vapor absorption tank 8 arranged below the main cooling pipe 1. Through leading into main cooling tube 1 to the chlor-alkali steam of evaporation, and carry out first step condensation through being provided with first cooling portion 11 and second cooling portion 12 on the main cooling tube 1, be located first outlet pipe 13 of connecting on first cooling portion 11 and the second cooling portion 12, the condensation spiral pipe 3 of the installation of second outlet pipe 14 and the 15 outer walls of third outlet pipe, carry out the cooling of second step to chlor-alkali steam, unnecessary vapor absorbs through aqueous vapor absorption tank 8, make chlor-alkali steam absorb refrigerated efficiency greatly increased, and can retrieve the liquid of condensation.
As shown in fig. 1, as a further technical solution provided by the present invention, in order to perform the first-step cooling of the chlor-alkali steam in the first cooling section 11 and the second cooling section 12, and at the same time to ensure the cooling efficiency, the first and second evaporating plates 2 and 4 are respectively installed on the tops of the first and second cooling parts 11 and 12, and the refrigeration surfaces of the first evaporation plate 2 and the second evaporation plate 4 are respectively attached to the tops of the first cooling part 11 and the second cooling part 12, in order to make the chlor-alkali vapor stay in the first cooling section 11 and the second cooling section 12 longer, a steam buffer net 5 is fixedly arranged in a communication pipe of the first cooling part 11 and the second cooling part 12, the steam buffer net 5 buffers the steam in the pipeline, and simultaneously, in order to enable the chlor-alkali steam flowing into the water vapor absorption tank 8 to be absorbed more easily, the ports of the first water outlet pipe 13, the second water outlet pipe 14 and the third water outlet pipe 15 are respectively provided with a bubble refining mesh enclosure 6.
Furthermore, in order to absorb and cool the chlor-alkali steam which is not completely condensed, condensate is filled in the water vapor absorption tank 8, and the condensate can be distilled water or reaction solution for absorbing chlor-alkali, so that the chlor-alkali steam can be conveniently treated or recycled and the like.
Furthermore, in order to enable the chlor-alkali steam in the first water outlet pipe 13, the second water outlet pipe 14 and the third water outlet pipe 15 to be completely absorbed by the condensate in the water vapor absorption tank 8, a boss 81 is arranged in the water vapor absorption tank 8, a bubble differentiation net 7 is erected on the boss 81, a perforation 71 is formed in the bubble differentiation net 7, so that the first water outlet pipe 13, the second water outlet pipe 14 and the third water outlet pipe 15 can conveniently penetrate through the perforation 71 to reach the bottom of the water vapor absorption tank 8, and the bubble differentiation net 7 differentiates and scatters the bubbles differentiated by the bubble refining net cover 6 of the first water outlet pipe 13, the second water outlet pipe 14 and the third water outlet pipe 15 again, so that the bubbles can be completely absorbed by the condensate, and redundant circulation of chlor-alkali steam and air are avoided, and the air is prevented from being polluted.
In order to adapt the device bubble differentiation net 7 and the water vapor absorption tank 8 to the chemical properties of the chlor-alkali steam, the bubble differentiation net 7 and the water vapor absorption tank 8 are made of corrosion-resistant metal, and can be replaced by corrosion-resistant plastic and the like.
The working principle is as follows: the chlor-alkali steam in the first cooling part 11 and the second cooling part 12 is cooled for the first time through the first evaporation plate 2 and the second evaporation plate 4 arranged at the top of the first cooling part 11 and the second cooling part 12, and flows to the water vapor absorption tank 8 from the first water outlet pipe 13, the second water outlet pipe 14 and the third water outlet pipe 15, meanwhile, the condensation spiral pipes 3 on the first water outlet pipe 13, the second water outlet pipe 14 and the third water outlet pipe 15 cool the redundant chlor-alkali steam for the second time, and the residual incompletely cooled chlor-alkali steam is absorbed and treated through the condensate in the water vapor absorption tank 8 and the bubble refining mesh enclosure 6 on the first water outlet pipe 13, the second water outlet pipe 14 and the third water outlet pipe 15 and the bubble differentiation mesh 7 in the water vapor absorption tank 8.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.
Claims (5)
1. The utility model provides an energy-saving steam condensate water recovery unit is used in chlor-alkali production, its characterized in that, including main cooling tube (1), be provided with first cooling portion (11) and second cooling portion (12) on main cooling tube (1), first evaporating plate (2) and second evaporating plate (4) are installed respectively to the top of first cooling portion (11) and second cooling portion (12) is fixed, install condensation spiral pipe (3) on second outlet pipe (14), third outlet pipe (15) that set up on first outlet pipe (13) and second cooling portion (12) that set up on first cooling portion (11) respectively, the port of first outlet pipe (13), second outlet pipe (14) and third outlet pipe (15) extends to in aqueous vapor absorption tank (8) that set up under main cooling tube (1).
2. The energy-saving steam condensate water recovery device for chlor-alkali production according to claim 1, wherein the ports of the first outlet pipe (13), the second outlet pipe (14) and the third outlet pipe (15) are provided with bubble refining mesh enclosures (6), the first cooling part (11) and the second cooling part (12) are internally and fixedly provided with steam buffering mesh (5), and the refrigeration surfaces of the first evaporation plate (2) and the second evaporation plate (4) are respectively attached to the tops of the first cooling part (11) and the second cooling part (12).
3. The energy-saving steam condensate recovery device for chlor-alkali production as claimed in claim 1, wherein a boss (81) is arranged in said water vapor absorption tank (8), and said water vapor absorption tank (8) is filled with condensate.
4. The energy-saving steam condensate water recovery device for chlor-alkali production according to claim 3, wherein a boss (81) is formed in the water vapor absorption tank (8), a bubble differentiation net (7) is erected on the boss (81), a perforation (71) is formed in the bubble differentiation net (7), and the first water outlet pipe (13), the second water outlet pipe (14) and the third water outlet pipe (15) penetrate through the perforation (71) and extend to the bottom of the water vapor absorption tank (8).
5. The energy-saving steam condensate recovery device for chlor-alkali production according to claim 4, characterized in that said bubble differentiation network (7) and said water vapor absorption tanks (8) are made of corrosion-resistant metals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122674892.1U CN216205409U (en) | 2021-11-03 | 2021-11-03 | Energy-saving steam condensate recovery unit is used in chlor-alkali production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122674892.1U CN216205409U (en) | 2021-11-03 | 2021-11-03 | Energy-saving steam condensate recovery unit is used in chlor-alkali production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216205409U true CN216205409U (en) | 2022-04-05 |
Family
ID=80900721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122674892.1U Expired - Fee Related CN216205409U (en) | 2021-11-03 | 2021-11-03 | Energy-saving steam condensate recovery unit is used in chlor-alkali production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216205409U (en) |
-
2021
- 2021-11-03 CN CN202122674892.1U patent/CN216205409U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220405 |
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| CF01 | Termination of patent right due to non-payment of annual fee |