CN208516942U - A kind of residual AHF process units of energy conservation row - Google Patents
A kind of residual AHF process units of energy conservation row Download PDFInfo
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- CN208516942U CN208516942U CN201821045778.4U CN201821045778U CN208516942U CN 208516942 U CN208516942 U CN 208516942U CN 201821045778 U CN201821045778 U CN 201821045778U CN 208516942 U CN208516942 U CN 208516942U
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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 a kind of energy conservations to arrange residual AHF process units, storage tower reactor is collected on the basis of existing rectifying tower kettle liquid row is residual arranges raffinate, make first to flow automatically to settling tank from tower bottom of rectifying tower row's raffinate, then it is evacuated at the top of scrubbing tower using the residual circulating pump of row, enter scrubbing tower top spray by controlling pump discharge stability of flow, row's residual is able to maintain constant, system negative pressure is also relatively stable, operator is in the row's of adjusting raffinate valve, it will not influence into scrubbing tower flow, avoid because arrange raffinate blocking dredging when cause valve opening excessive due to caused by system positive pressure problem.In addition, since row's raffinate is mostly by the scrubbing tower for washing, exchanging heat together, reducing the outlet temperature of scrubbing tower crude product after engineered, the usage amount of the thick cooler cooling capacity of rear process being made to decrease.The utility model is easy to operate, is conducive to systems stabilisation negative pressure, avoids AHF gas leak, while also reducing the cooling capacity of thick cooler, reaches energy-efficient effect.
Description
Technical field
The utility model relates to a kind of energy conservations to arrange residual AHF process units, be related to AHF production technical field.
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..
Traditional AHF process units is tiny structure production, is not leaked with the AHF gas ensured in system.Traditional AHF process units
It has the following problems: (1) from rectifying tower kettle liquid (mainly H2SO4、H2O) arranging residual is to enter prewashing by way of gravity flow
Top of tower is washed, since row's residual size is unstable, to influence the control of system negative pressure；(2) operator is in the row's of adjusting raffinate
When valve, influence whether to enter scrubbing tower flow；(3) because row raffinate blocking dredging when caused by valve opening it is excessive, caused by be
System positive pressure problem；(4) outlet temperature of scrubbing tower crude product is high, increases the usage amount of the thick cooler cooling capacity of rear process.
Utility model content
The utility model aim is to provide a kind of residual AHF process units of energy conservation row, arrange in existing rectifying tower kettle liquid
Storage tower reactor is collected on the basis of residual and arranges raffinate, makes first to flow automatically to settling tank from tower bottom of rectifying tower row's raffinate, it is then residual using arranging
Circulating pump is evacuated at the top of scrubbing tower, enters scrubbing tower top spray by controlling pump discharge stability of flow, row's residual is able to maintain
It is constant.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of residual AHF process units of energy conservation row, described
Production system includes settling tank, the residual circulating pump of row, prewashing column, scrubbing tower and thick cooler；Institute is connected at the top of the settling tank
It states at the top of prewashing column, settling tank is connected with tower bottom of rectifying tower incomplete tube line, and the tower bottom of rectifying tower incomplete tube line is connected to institute
Prewashing column top is stated, settling tank lower part is connected to the top of the scrubbing tower through the residual circulating pump of the row；The prewashing column
Top connects the lower part of the scrubbing tower, and wash tower bottoms are connected to the prewashing column top；The thick cooler lower part connection
To the scrubbing tower top, the top of thick cooler is connected at the top of scrubbing tower.
Residual AHF process units is arranged in a kind of energy conservation as described above, is connected with back between the settling tank top and scrubbing tower
Flow tube line, the reflux pipeline are equipped with return valve；It is connected on pipeline between at the top of the settling tank and the prewashing column
There is gas valve.The residual night that reflux pipeline is transported to scrubbing tower for settling tank by arranging residual circulating pump flows back, and passes through return valve reality
The control of existing residual night reflux.Gas valve can adjust the air pressure between settling tank and prewashing column.
Residual AHF process units is arranged in a kind of energy conservation as described above, and the prewashing column is connected with nitration mixture circulating pump.Scrubbing tower
Interior material enters prewashing column, and nitration mixture circulating pump mixes the material in prewashing column.
Residual AHF process units is arranged in a kind of energy conservation as described above, and the prewashing column lower part is connected with nitration mixture slot, described mixed
Acid tank, which is connected with, throws acid tube line, and nitration mixture slot is connected with outer mixed pipeline.Material in prewashing column enters nitration mixture slot, passes through 105%
Sulfuric acid is dry, and material is delivered to mixed device outside existing rotary reaction furnace by outer mixed pipeline by nitration mixture slot.
Residual AHF process units is arranged in a kind of energy conservation as described above, and the scrubbing tower is connected with absorption line, the absorption tube
Conveying has 98% sulfuric acid in line.98% sulfuric acid is transported to scrubbing tower by absorption line, by 98% sulfuric acid absorption scrubbing tower not
The HF of condensation.
Residual AHF process units is arranged in a kind of energy conservation as described above, and the thick cooler is connected with cooling back with water inlet line, cooling goes out
Water pipeline and vapor delivery line.It is passed through cooling water to thick cooler by cooling back with water inlet line, the cooling water after use is gone out by cooling
Water pipeline is discharged, and the gas phase in vapor delivery line removes existing three-level cooler.
The beneficial effects of the utility model are: it is residual to collect storage tower reactor row on the basis of existing rectifying tower kettle liquid row is residual
Liquid is made first to flow automatically to settling tank from tower bottom of rectifying tower row's raffinate, is then evacuated at the top of scrubbing tower, is passed through using the residual circulating pump of row
Control pump discharge stability of flow enters scrubbing tower top spray, and row's residual is able to maintain constant, and system negative pressure is also relatively stable, behaviour
Make personnel in the row's of adjusting raffinate valve, will not influence into scrubbing tower flow, when avoiding because of row's raffinate blocking dredging
Cause that valve opening is excessive and caused by system positive pressure problem.In addition, washed together after engineered since row's raffinate passes through more,
The scrubbing tower of heat exchange reduces the outlet temperature of scrubbing tower crude product, drops the usage amount of the thick cooler cooling capacity of rear process
It is low.The utility model is not only easy to operate, but also is conducive to systems stabilisation negative pressure, avoids AHF gas leak, while also dropping
The low cooling capacity of thick cooler, reaches energy-efficient effect.
Detailed description of the invention
Fig. 1 is that residual AHF process units structural schematic diagram is arranged in energy conservation 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, residual AHF process units is arranged in a kind of energy conservation, the production system includes settling tank 1, the residual circulating pump of row
2, prewashing column 3, scrubbing tower 4 and thick cooler 5；3 top of prewashing column is connected at the top of the settling tank 1, settling tank 1 connects
It is connected to tower bottom of rectifying tower incomplete tube line 6, the tower bottom of rectifying tower incomplete tube line 6 is connected to 3 top of prewashing column, settling tank
1 lower part is connected to the top of the scrubbing tower 4 through the residual circulating pump 2 of the row；The scrubbing tower is connected at the top of the prewashing column 3
4 lower part, 4 bottom of scrubbing tower are connected to 3 top of prewashing column；5 lower part of thick cooler is connected on the scrubbing tower 4
Portion is connected to the top of thick cooler 5 at the top of scrubbing tower 4.
Energy conservation is arranged in one embodiment of residual AHF process units, is connected between 1 top of settling tank and scrubbing tower 4
Reflux pipeline 7, the reflux pipeline 7 are equipped with return valve 8；Pipeline between 3 top of the settling tank 1 and the prewashing column
On be connected with gas valve 9.The reflux of residual night that reflux pipeline 7 is transported to scrubbing tower 4 by arranging residual circulating pump 2 for settling tank 1, leads to
Cross the control that return valve 8 realizes residual night reflux.Gas valve 9 can adjust the air pressure between settling tank 1 and prewashing column 3.
Energy conservation is arranged in one embodiment of residual AHF process units, and the prewashing column 3 is connected with nitration mixture circulating pump 10.It washes
It washs the material in tower 4 and enters prewashing column 3, nitration mixture circulating pump 10 mixes the material in prewashing column 3.It is described to pre-wash
3 lower part of tower is connected with nitration mixture slot 11, and the nitration mixture slot 11, which is connected with, throws acid tube line 12, and nitration mixture slot 11 is connected with outer mixed pipeline.In advance
Material in scrubbing tower 3 enters nitration mixture slot 11, dry by 105% sulfuric acid, and nitration mixture slot 11 is conveyed material by outer mixed pipeline
Mixed device outside to existing rotary reaction furnace.
Energy conservation is arranged in one embodiment of residual AHF process units, and the scrubbing tower 4 is connected with absorption line 13, the suction
Conveying has 98% sulfuric acid in closed tube line 13.98% sulfuric acid is transported to scrubbing tower 4 by absorption line 13, is washed by 98% sulfuric acid absorption
Wash uncooled HF in tower 4.The thick cooler 5 is connected with cooling back with water inlet line 14, cooling water outlet pipeline 15 and vapor delivery line 16.
It is passed through cooling water to thick cooler 5 by cooling back with water inlet line 14, the cooling water after use is discharged by cooling water outlet pipeline 15, gas
Gas phase in phase pipeline 16 removes existing three-level cooler.
The utility model collects storage tower reactor on the basis of existing rectifying tower kettle liquid row is residual and arranges raffinate, comes from rectifying column
Tower reactor row's raffinate first flows automatically to settling tank 1 by tower bottom of rectifying tower incomplete tube line 6, is then evacuated to washing using the residual circulating pump 2 of row
4 top of tower enters 4 top spray of scrubbing tower by controlling pump discharge stability of flow, and row's residual is able to maintain constant, system negative pressure
Also relatively stable, operator will not influence in the row's of adjusting raffinate valve into 4 flow of scrubbing tower, avoid because of row
Raffinate blocking dredging when cause valve opening excessive and caused by system positive pressure problem.In addition, after engineered, since row's raffinate is more
By the scrubbing tower 4 for washing, exchanging heat together, the outlet temperature of 4 crude product of scrubbing tower is reduced, keeps the thick cooler 5 of rear process cold
The usage amount of amount decreases.The utility model is not only easy to operate, but also is conducive to systems stabilisation negative pressure, avoids AHF
Gas leak, while the cooling capacity of thick cooler 5 is also reduced, reach energy-efficient effect.
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. residual AHF process units is arranged in a kind of energy conservation, it is characterised in that: the process units includes settling tank (1), the residual circulating pump of row
(2), prewashing column (3), scrubbing tower (4) and thick cooler (5)；The prewashing column (3) top is connected at the top of the settling tank (1)
Portion, settling tank (1) are connected with tower bottom of rectifying tower incomplete tube line (6), and the tower bottom of rectifying tower incomplete tube line (6) is connected to described pre-
Scrubbing tower (3) top, settling tank (1) lower part are connected to the top of the scrubbing tower (4) through the residual circulating pump of the row (2)；It is described
The lower part of the scrubbing tower (4) is connected at the top of prewashing column (3), scrubbing tower (4) bottom is connected on the prewashing column (3)
Portion；Thick cooler (5) lower part is connected to the scrubbing tower (4) top, is connected to the upper of thick cooler (5) at the top of scrubbing tower (4)
Portion.
2. residual AHF process units is arranged in a kind of energy conservation according to claim 1, it is characterised in that: settling tank (1) top
It is connected between scrubbing tower (4) reflux pipeline (7), the reflux pipeline (7) is equipped with return valve (8)；The settling tank (1)
Gas valve (9) are connected on pipeline between the prewashing column (3) top.
3. residual AHF process units is arranged in a kind of energy conservation according to claim 1, it is characterised in that: the prewashing column (3) is even
It is connected to nitration mixture circulating pump (10).
4. residual AHF process units is arranged in a kind of energy conservation according to claim 1, it is characterised in that: under the prewashing column (3)
Portion is connected with nitration mixture slot (11), and the nitration mixture slot (11), which is connected with, throws acid tube line (12), and nitration mixture slot (11) is connected with outer mixed pipeline.
5. residual AHF process units is arranged in a kind of energy conservation according to claim 1, it is characterised in that: scrubbing tower (4) connection
Have absorption line (13), conveying has 98% sulfuric acid in the absorption line (13).
6. residual AHF process units is arranged in a kind of energy conservation according to claim 1, it is characterised in that: thick cooler (5) connection
There are cooling back with water inlet line (14), cooling water outlet pipeline (15) and vapor delivery line (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821045778.4U CN208516942U (en) | 2018-07-03 | 2018-07-03 | A kind of residual AHF process units of energy conservation row |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821045778.4U CN208516942U (en) | 2018-07-03 | 2018-07-03 | A kind of residual AHF process units of energy conservation row |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208516942U true CN208516942U (en) | 2019-02-19 |
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ID=65337288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821045778.4U Active CN208516942U (en) | 2018-07-03 | 2018-07-03 | A kind of residual AHF process units of energy conservation row |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208516942U (en) |
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2018
- 2018-07-03 CN CN201821045778.4U patent/CN208516942U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211011 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 |