CN212409456U - Double-layer efficient hydrogen fluoride gas heater utilizing waste heat - Google Patents
Double-layer efficient hydrogen fluoride gas heater utilizing waste heat Download PDFInfo
- Publication number
- CN212409456U CN212409456U CN202020418165.1U CN202020418165U CN212409456U CN 212409456 U CN212409456 U CN 212409456U CN 202020418165 U CN202020418165 U CN 202020418165U CN 212409456 U CN212409456 U CN 212409456U
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- Prior art keywords
- pipe
- hydrogen fluoride
- gas
- fluoride gas
- air inlet
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- 239000007789 gas Substances 0.000 title claims abstract description 74
- 229910000040 hydrogen fluoride Inorganic materials 0.000 title claims abstract description 41
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 239000002918 waste heat Substances 0.000 title claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 39
- 238000011084 recovery Methods 0.000 claims abstract description 6
- 239000007921 spray Substances 0.000 claims abstract description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 9
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 229910021502 aluminium hydroxide Inorganic materials 0.000 abstract description 3
- 230000009257 reactivity Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- IRPGOXJVTQTAAN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanal Chemical compound FC(F)(F)C(F)(F)C=O IRPGOXJVTQTAAN-UHFFFAOYSA-N 0.000 description 1
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides an utilize double-deck high-efficient hydrogen fluoride gas body heater of waste heat, including hydrogen fluoride gas pipe, first heating pipe, outside cover are worn to be equipped with in hydrogen fluoride gas pipe's inside, the afterbody of hydrogen fluoride gas pipe is equipped with first air inlet, the top is equipped with first gas outlet, the top of first heating pipe is equipped with the second air inlet, the afterbody is equipped with the second gas outlet, the second air inlet communicates with the tail gas discharge pipe of spray column, the top of second heating pipe is equipped with third air inlet, the afterbody is equipped with the third gas outlet, the third air inlet communicates with steam generator's steam pipe intercommunication, third gas outlet and steam condensate recovery pipe. The utility model discloses can utilize the heat of the high temperature tail gas that production system produced and steam at the in-process of processing anhydrous aluminium oxide, improve hydrogen fluoride gas temperature to promote hydrogen fluoride gas and aluminium hydroxide's reactivity, avoid using high power consumption electrical heating equipment with reduce cost.
Description
Technical Field
The utility model belongs to the technical field of chemical industry equipment, a utilize double-deck high-efficient hydrogen fluoride gas heater of waste heat is related to.
Background
In the process of preparing anhydrous aluminum fluoride, one of the raw materials, namely hydrogen fluoride, is generally required to be vaporized and heated, if the temperature is not enough, the bond energy required by the breakage of an H-F bond in a large degree cannot be met, so that the reaction activity of the hydrogen fluoride and the aluminum hydroxide is influenced, and the reaction is not sufficient, and the hydrogen fluoride and the aluminum hydroxide are generally heated independently by using an electric heating device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a double-deck high-efficient hydrogen fluoride gas heater who utilizes the waste heat to the problem that prior art exists, solved at the in-process of producing anhydrous aluminium oxide, do not have the waste heat of effective utilization production system, need the hydrogen fluoride gas of separate heating to lead to the problem that the cost improves, the energy is extravagant.
Therefore, the utility model adopts the following technical proposal:
the utility model provides an utilize double-deck high-efficient hydrogen fluoride gas body heater of waste heat, includes hydrogen fluoride gas pipe, first heating pipe, outside cover are worn to be equipped with by hydrogen fluoride gas pipe's inside, the afterbody of hydrogen fluoride gas pipe is equipped with first air inlet, the top is equipped with first gas outlet, the top of first heating pipe is equipped with the second air inlet, the afterbody is equipped with the second gas outlet, the second air inlet communicates with the tail gas discharge pipe of spray column, the top of second heating pipe is equipped with third air inlet, the afterbody is equipped with the third gas outlet, the third air inlet communicates with steam generator's steam pipe intercommunication, third gas outlet and steam condensate recovery pipe intercommunication.
Further, the outer pipe walls of the first heating pipe and the hydrogen fluoride gas pipe are provided with helical blades.
The beneficial effects of the utility model reside in that:
the utility model discloses can be at the in-process of processing anhydrous aluminium oxide, utilize the heat of system high temperature tail gas and steam, improve the hydrogen fluoride gas temperature, in order to promote the hydrogen fluoride gas and aluminium hydroxide's reactivity, avoid using high power consumption electrical heating to establish with reduce cost, in addition, through set up spray assembly and swash plate in the return water tank, can make saturated steam become liquid as early as possible under the ordinary pressure state, reduce the waste of water resource, continue to flow back to steam generator in, realize the secondary recycle of steam, reduce the manufacturing cost of enterprise, and economic benefits is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is the schematic view of the sectional structure of the utility model with the helical blades removed.
In the figure, 1-hydrogen fluoride gas pipe, 1 a-first gas inlet, 1 b-first gas outlet, 2-first heating pipe, 2 a-second gas inlet, 2 b-second gas outlet, 3-second heating pipe, 3 a-third gas inlet, 3 b-third gas outlet, 4-helical blade, 5-spray tower, 5 a-tail gas discharge pipe, 6-steam generator, 6 a-steam pipe and 7-condensate water recovery pipe.
Detailed Description
The technical solution of the present invention will be described below with reference to the accompanying drawings and implementation methods.
As shown in fig. 1 and 2, a double-layer high-efficiency hydrogen fluoride gas heater using waste heat comprises a hydrogen fluoride gas pipe 1, wherein a first heating pipe 2 is arranged inside the hydrogen fluoride gas pipe 1 in a penetrating manner, a second heating pipe 3 is sleeved outside the hydrogen fluoride gas pipe 1, and helical blades 4 are arranged on the outer pipe walls of the hydrogen fluoride gas pipe 1 and the first heating pipe 2, and the helical blades 4 are arranged to ensure smooth gas circulation, avoid short circuit of gas flow, prolong a gas heating path and improve heating efficiency; the tail part of the hydrogen fluoride gas pipe 1 is provided with a first gas inlet 1a, the top part of the hydrogen fluoride gas pipe 1 is provided with a first gas outlet 1b, the top part of the first heating pipe 2 is provided with a second gas inlet 2a, the tail part of the first heating pipe 2 is provided with a second gas outlet 2b, the second gas inlet 2a is communicated with a tail gas discharge pipe 5a of the spray tower 5, and the tail gas of the system still has higher heat, so that the first heating pipe 2 is communicated with the tail gas discharge pipe 5a to provide partial heat for heating hydrogen fluoride gas, and the low-temperature tail gas discharged from the second gas outlet 2b is discharged in; the top of the second heating pipe 3 is provided with a third air inlet 3a, the tail of the second heating pipe is provided with a third air outlet 3b, the third air inlet 3a is communicated with a steam pipe 6a of the steam generator 6 after heating, and the third air outlet 3b is communicated with a condensate water recovery pipe 7, wherein the steam pipe 6a still has higher heat after primary heating is completed, so that the second heating pipe 3 is continuously introduced, the double-layer heating of the hydrogen fluoride gas pipe 1 is completed by matching with the first heating pipe 2, and the condensate water recovery pipe 7 is used for re-feeding liquefied steam into the production and utilization system.
Furthermore, the first heating pipe 2 adopts a DN600 thick-wall alloy pipeline, and the first heating pipe 2 and the second heating pipe 3 respectively adopt DN700 carbon steel pipelines and DN800 carbon steel pipelines.
The utility model discloses in the use, after the gaseous body of hydrogen fluoride by supreme letting in down in the hydrogen fluoride gas pipe 1, let in the tail gas waste heat from top to bottom in the first heating pipe 2 again, let in high-pressure steam can realize the double-deck heating to hydrogen fluoride gas pipe 1 from top to bottom in the second heating pipe 3, and realized reverse heat transfer between the three, can improve heat exchange efficiency by a wide margin, not only can satisfy the required bond energy of the great degree fracture of H-F bond, improve the reactivity of hydrogen fluoride and aluminium hydroxide, electric heater has been replaced simultaneously, the electric energy consumption is reduced, can reduce the manufacturing cost of enterprise conscientiously, and economic benefits is improved.
Claims (2)
1. The utility model provides an utilize double-deck high-efficient hydrogen fluoride gas body heater of waste heat, its characterized in that, includes hydrogen fluoride gas pipe, first heating pipe, outside cover are worn to be equipped with in hydrogen fluoride gas pipe's inside, the outside cover is equipped with the second heating pipe, hydrogen fluoride gas pipe's afterbody is equipped with first air inlet, the top is equipped with first gas outlet, the top of first heating pipe is equipped with the second air inlet, the afterbody is equipped with the second gas outlet, the second air inlet communicates with the tail gas discharge pipe of spray column, the top of second heating pipe is equipped with third air inlet, the afterbody is equipped with the third gas outlet, the third air inlet communicates with steam generator's steam pipe intercommunication, third gas outlet and steam condensate recovery pipe intercommunication.
2. The double-layer high-efficiency hydrogen fluoride gas heater using waste heat as claimed in claim 1, wherein the outer walls of the first heating pipe and the hydrogen fluoride gas pipe are provided with helical blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020418165.1U CN212409456U (en) | 2020-03-27 | 2020-03-27 | Double-layer efficient hydrogen fluoride gas heater utilizing waste heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020418165.1U CN212409456U (en) | 2020-03-27 | 2020-03-27 | Double-layer efficient hydrogen fluoride gas heater utilizing waste heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212409456U true CN212409456U (en) | 2021-01-26 |
Family
ID=74378586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020418165.1U Active CN212409456U (en) | 2020-03-27 | 2020-03-27 | Double-layer efficient hydrogen fluoride gas heater utilizing waste heat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212409456U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606966A (en) * | 2021-08-12 | 2021-11-05 | 东部超导科技（苏州）有限公司 | Tail gas cooling device of MOCVD equipment |
-
2020
- 2020-03-27 CN CN202020418165.1U patent/CN212409456U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606966A (en) * | 2021-08-12 | 2021-11-05 | 东部超导科技（苏州）有限公司 | Tail gas cooling device of MOCVD equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Kang Wenpeng Inventor after: Ling Xiaoqiang Inventor after: Song Dexiong Inventor after: Liu Yibao Inventor after: Hu Kanbo Inventor after: Wu Zhijing Inventor before: Kang Wenpeng Inventor before: Ling Xiaoqiang Inventor before: Song Dexiong Inventor before: Liu Yibao Inventor before: Hu Kanbo Inventor before: Wu Zhijing |
|
| CB03 | Change of inventor or designer information |