CN208471529U - A kind of first cooling system of energy-saving hydrofluoric acid - Google Patents
A kind of first cooling system of energy-saving hydrofluoric acid Download PDFInfo
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- CN208471529U CN208471529U CN201821045765.7U CN201821045765U CN208471529U CN 208471529 U CN208471529 U CN 208471529U CN 201821045765 U CN201821045765 U CN 201821045765U CN 208471529 U CN208471529 U CN 208471529U
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- cooler
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- saving
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
The utility model relates to cooling system at the beginning of a kind of energy-saving hydrofluoric acid, crude acid slot is connected to thick cooler through crude acid feeding line, and crude acid feeding line is used to crude acid being delivered to thick cooler as the cold source of thick cooler, and crude acid feeding line is equipped with regulating valve；Thick cooler is connected to rectifying column through crude acid discharging pipeline, and crude acid discharging pipeline is used to the crude acid after exchanging heat in thick cooler being delivered to rectifying column；Reboiler is connected to tower bottom of rectifying tower, and crude acid discharging pipeline is connected to the vapor delivery line between reboiler and rectifying column.The utility model using it is thick it is cold to cool down, the precondition that rectifying to be heated up, realize that the crude acid in crude acid slot is first transported to thick cooler as cold source and substitutes cooling water to cool down the gaseous mixture from scrubbing tower, crude acid goes the vapor delivery line of reboiler again after heat exchange heating, reduce the amount of hot water of reboiler, achieve the purpose that energy-saving, there is no because of the problem of leakage causes moisture content to enter production system influence product quality in thick cooler, the corrosion to equipment is reduced.
Description
Technical field
The utility model relates to a kind of just cooling systems, more particularly to cooling system at the beginning of a kind of energy-saving hydrofluoric acid.
Background technique
Anhydrous hydrogen fluoride for industrial use (AHF) is a kind of widely used chemical products, be widely used to atomic energy, chemical industry,
The industries such as petroleum, are strong oxidizers, still produce element fluorine, various fluorine refrigerants, inorganic fluoride, various organic fluorides
Base stock, can be configured to it is for various purposes have water hydrofluoric acid, for graphite manufacture and manufacture organic compound catalyst etc..
Existing hydrofluoric acid it is first it is cold during, scrubbing tower come mixed gas (about 60 DEG C) (thick cooler after thick cooler tentatively condenses
The temperature control system of outlet is at 36~38 DEG C), uncooled gas pass through again it is one cold, two cold, three it is cold cool down three times altogether, what is condensed out is thick
Acid is buffered in crude acid slot (less than 15 DEG C), and crude acid withdraws deposit to produce using rectifying column, degassing tower removal high-boiling components and low-boiling-point substance
Product HF.The existing just thick cooler of cooling system needs additional cold source (recirculated water), and when the crude acid in crude acid slot enters rectifying column
The gasification that need to be heated up by reboiler could purify.The amount of hot water of reboiler is big, the cooling circulating water that thick cooler must use, energy
Consumption is big.
Utility model content
The utility model aim is to provide a kind of energy-saving hydrofluoric acid just cooling system, based on it is thick it is cold to cool down, rectifying
Crude acid (temperature is less than 15 DEG C) in crude acid slot is first got to thick cooler as cold source and substitutes cooling water by the precondition to be heated up
To cool down the gaseous mixture from scrubbing tower, reduction energy consumption.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of first cooling system of energy-saving hydrofluoric acid,
The just cooling system includes crude acid slot, thick cooler, reboiler and rectifying column；The crude acid slot is connected to institute through crude acid feeding line
State thick cooler, crude acid feeding line is used to crude acid being delivered to thick cooler as the cold source of thick cooler, sets on crude acid feeding line
There is regulating valve；The thick cooler is connected to the rectifying column through crude acid discharging pipeline, and crude acid discharging pipeline is used for will be in thick cooler
Crude acid after middle heat exchange is delivered to rectifying column；The reboiler is connected to the tower bottom of rectifying tower, and crude acid discharging pipeline is connected to
Vapor delivery line between the reboiler and rectifying column.
The first cooling system of a kind of energy-saving hydrofluoric acid as described above, the just cooling system further includes level-one cooler, two
Grade cooler and three-level cooler；The level-one cooler connects the thick cooler, and the secondary coolers connect the level-one
Cooler；The three-level cooler connects the secondary coolers；Level-one cooler, secondary coolers and three-level cooler are through cold
Condensate liquid is delivered to the crude acid slot by lime set pipeline.The mixed gas (about 60 DEG C) that scrubbing tower comes is after thick cooler tentatively condenses
(thick cooler outlet temperature control system is at 36~38 DEG C), uncooled gas is cooling by level-one cooler, secondary coolers and three-level
Device is cooled down, and the crude acid (less than 15 DEG C) condensed out is delivered to crude acid slot through condensate liquid pipeline and caches.
Just cooling system, the three-level cooler are connected with fixed gas efferent duct to a kind of energy-saving hydrofluoric acid as described above
Line.Fixed gas is delivered to existing absorption tower and passes through 98% sulfuric acid absorption by fixed gas export pipeline.
A kind of energy-saving hydrofluoric acid as described above first cooling system is connected with crude acid conveying on the crude acid feeding line
Pump.Crude acid delivery pump realizes that crude acid is delivered to thick cooler as the cold source of thick cooler by crude acid feeding line.
Just cooling system, the thick cooler are connected with tapping line to a kind of energy-saving hydrofluoric acid as described above.Thick cooler
The condensate liquid of interior generation is delivered to existing scrubbing tower and is washed.
A kind of energy-saving hydrofluoric acid as described above is just connected with incomplete tube line in cooling system, the rectifying column lower part, essence
It evaporates top of tower and is connected with exhaust line.Crude acid in thick cooler goes the vapor delivery line of reboiler after heat exchange heating, into rectifying
Tower is purified, and crude acid gasifies in the collet of rectifying column.
The beneficial effects of the utility model are: using it is thick it is cold to cool down, the precondition that rectifying to be heated up, realize crude acid slot
Interior crude acid (temperature is less than 15 DEG C) is first transported to thick cooler as cold source and substitutes cooling water to cool down the mixing from scrubbing tower
Gas, crude acid are gone the vapor delivery line of rectifying still reboiler again after heat exchange heating, are purified into rectifying column, crude acid is in collet
Gasification, reduces the amount of hot water of reboiler, can also deactivate the cooling circulating water used before thick cooler, reach energy-saving
Purpose, there is no because in thick cooler leakage cause moisture content enter production system influence product quality the problem of, also reduce simultaneously
Corrosion to equipment.
Detailed description of the invention
Fig. 1 is the first cooling system structural schematic diagram of energy-saving hydrofluoric acid in embodiment.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.Many details are explained in the following description in order to abundant
Understand the utility model.But the utility model can be implemented with being much different from other way described herein, this field
Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs
The limitation for the specific embodiment opened.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
As shown in Figure 1, a kind of energy-saving hydrofluoric acid just cooling system, it is described just cooling system include crude acid slot 1, thick cooler 2,
Reboiler 3 and rectifying column 4；The crude acid slot 1 is connected to the thick cooler 2 through crude acid feeding line 5, and crude acid feeding line 5 is used
In crude acid is delivered to cold source of the thick cooler 2 as thick cooler 2, crude acid feeding line 5 is equipped with regulating valve 6；The thick cooler 2
It is connected to the rectifying column 4 through crude acid discharging pipeline 7, crude acid discharges pipeline 7 for the crude acid after exchanging heat in thick cooler 2 is defeated
It send to rectifying column 4；The reboiler 3 is connected to 4 tower reactor of rectifying column, crude acid discharging pipeline 7 be connected to the reboiler 3 with
Vapor delivery line 8 between rectifying column 4.
For energy-saving hydrofluoric acid just in one embodiment of cooling system, the just cooling system further includes level-one cooler 9, two
Grade cooler 10 and three-level cooler 11；The level-one cooler 9 connects the thick cooler 2, and the secondary coolers 10 connect
The level-one cooler 9；The three-level cooler 11 connects the secondary coolers 10；Level-one cooler 9, secondary coolers 10
Condensate liquid is delivered to the crude acid slot 1 through condensate liquid pipeline 12 with three-level cooler 11.The mixed gas (about 60 that scrubbing tower comes
DEG C) after the tentatively condensation of thick cooler 2 (thick cooler 2 exports temperature control system at 36~38 DEG C), uncooled gas is cooling by level-one
Device 9, secondary coolers 10 and three-level cooler 11 are cooled down, and the crude acid (less than 15 DEG C) condensed out is through condensate liquid pipeline 12
It is delivered to the caching of crude acid slot 1.The three-level cooler 11 is connected with fixed gas export pipeline 13.Fixed gas export pipeline 13 will not
Solidifying gas is delivered to existing absorption tower and passes through 98% sulfuric acid absorption.
In one embodiment of cooling system, it is defeated to be just connected with crude acid on the crude acid feeding line 5 for energy-saving hydrofluoric acid
Send pump 14.Crude acid delivery pump 14 realizes that crude acid is delivered to cold source of the thick cooler 2 as thick cooler 2 by crude acid feeding line 5.It is described
Thick cooler 2 is connected with tapping line 15.The condensate liquid generated in thick cooler 2 is delivered to existing scrubbing tower and is washed.
For energy-saving hydrofluoric acid just in one embodiment of cooling system, 4 lower part of rectifying column is connected with incomplete tube line 16,
Exhaust line 17 is connected at the top of rectifying column 4.Crude acid in thick cooler 2 goes the vapor delivery line 8 of reboiler 3 after heat exchange heating,
It is purified into rectifying column 4, crude acid gasifies in the collet of rectifying column 4.Crude acid delivery pump 14 realizes that crude acid feeding line 5 will
Crude acid is delivered to cold source of the thick cooler 2 as thick cooler 2.
(thick cooler 2 exports temperature to the mixed gas (about 60 DEG C) that the utility model scrubbing tower comes after the tentatively condensation of thick cooler 2
Control is at 36~38 DEG C), uncooled gas is carried out cold by level-one cooler 9, secondary coolers 10 and three-level cooler 11
But, the crude acid (less than 15 DEG C) condensed out is delivered to crude acid slot 1 through condensate liquid pipeline 12 and caches.The utility model utilizes thick cold
Cool down, the precondition that rectifying to be heated up, realizes that the crude acid (temperature is less than 15 DEG C) in crude acid slot 1 is first transported to thick cooler 2
Cooling water is substituted as cold source to cool down the gaseous mixture from scrubbing tower, and crude acid removes rectifying still reboiler 3 after heat exchange heating again
Vapor delivery line 8, purified into rectifying column 4, crude acid gasifies in collet, reduces the amount of hot water of reboiler 3, can also
To deactivate the cooling circulating water used before thick cooler 2, achieve the purpose that energy-saving, there is no cause because leaking in thick cooler 2
Moisture content enters the problem of production system influences product quality, while also reducing the corrosion to equipment.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (6)
1. a kind of first cooling system of energy-saving hydrofluoric acid, it is characterised in that: the just cooling system includes crude acid slot (1), thick cooler
(2), reboiler (3) and rectifying column (4)；The crude acid slot (1) is connected to the thick cooler (2) through crude acid feeding line (5), slightly
Sour feeding line (5) is used to crude acid being delivered to cold source of the thick cooler (2) as thick cooler (2), and crude acid feeding line is set on (5)
There are regulating valve (6)；The thick cooler (2) is connected to the rectifying column (4) through crude acid discharging pipeline (7), and crude acid discharges pipeline (7)
For the crude acid after the heat exchange in thick cooler (2) to be delivered to rectifying column (4)；The reboiler (3) is connected to the rectifying column
(4) tower reactor, crude acid discharging pipeline (7) are connected to the vapor delivery line (8) between the reboiler (3) and rectifying column (4).
2. a kind of first cooling system of energy-saving hydrofluoric acid according to claim 1, it is characterised in that: the just cooling system is also
Including level-one cooler (9), secondary coolers (10) and three-level cooler (11)；Level-one cooler (9) connection is described thick
Cooler (2), the secondary coolers (10) connect the level-one cooler (9)；Three-level cooler (11) connection described two
Grade cooler (10)；Level-one cooler (9), secondary coolers (10) and three-level cooler (11) will be cold through condensate liquid pipeline (12)
Lime set is delivered to the crude acid slot (1).
3. a kind of first cooling system of energy-saving hydrofluoric acid according to claim 2, it is characterised in that: the three-level cooler
(11) fixed gas export pipeline (13) are connected with.
4. a kind of first cooling system of energy-saving hydrofluoric acid according to claim 1, it is characterised in that: the crude acid feed pipe
Crude acid delivery pump (14) are connected on line (5).
5. a kind of first cooling system of energy-saving hydrofluoric acid according to claim 1, it is characterised in that: the thick cooler (2)
It is connected with tapping line (15).
6. a kind of first cooling system of energy-saving hydrofluoric acid according to claim 1, it is characterised in that: the rectifying column (4)
Lower part is connected with incomplete tube line (16), is connected with exhaust line (17) at the top of rectifying column (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821045765.7U CN208471529U (en) | 2018-07-03 | 2018-07-03 | A kind of first cooling system of energy-saving hydrofluoric acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821045765.7U CN208471529U (en) | 2018-07-03 | 2018-07-03 | A kind of first cooling system of energy-saving hydrofluoric acid |
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| Publication Number | Publication Date |
|---|---|
| CN208471529U true CN208471529U (en) | 2019-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821045765.7U Active CN208471529U (en) | 2018-07-03 | 2018-07-03 | A kind of first cooling system of energy-saving hydrofluoric acid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110193254A (en) * | 2019-06-13 | 2019-09-03 | 湖北兴瑞硅材料有限公司 | A kind of energy saver and technique of methyl chlorosilane monomer wet dedusting |
-
2018
- 2018-07-03 CN CN201821045765.7U patent/CN208471529U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110193254A (en) * | 2019-06-13 | 2019-09-03 | 湖北兴瑞硅材料有限公司 | A kind of energy saver and technique of methyl chlorosilane monomer wet dedusting |
| CN110193254B (en) * | 2019-06-13 | 2021-07-13 | 湖北兴瑞硅材料有限公司 | Energy-saving device and process for wet dust removal of methyl chlorosilane monomer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211012 Address after: 353000 No. 51, dalukou village, Longjin Town, Qingliu County, Sanming City, Fujian Province Patentee after: FUJIAN QINGLIU DONGYING CHEMICAL Co.,Ltd. Address before: 365300 No.51, dalukou village, Longjin Town, Qingliu County, Sanming City, Fujian Province Patentee before: FUJIAN QINGLIU DONGYING CHEMICAL Co.,Ltd. Patentee before: SANMING University |
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| TR01 | Transfer of patent right |