CN203529928U - Hydrogen fluoride air washer - Google Patents
Hydrogen fluoride air washer Download PDFInfo
- Publication number
- CN203529928U CN203529928U CN201320678322.2U CN201320678322U CN203529928U CN 203529928 U CN203529928 U CN 203529928U CN 201320678322 U CN201320678322 U CN 201320678322U CN 203529928 U CN203529928 U CN 203529928U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- water
- cold heat
- thick cold
- level
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 229910000040 hydrogen fluoride Inorganic materials 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 238000001816 cooling Methods 0.000 claims abstract description 46
- 238000005406 washing Methods 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 14
- 239000007789 gas Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a hydrogen fluoride air washer. The hydrogen fluoride air washer comprises first level rough cooling heat exchangers, a second level rough cooling heat exchanger and a water-cooling device, wherein an air outlet of each first level rough cooling heat exchanger is communicated with an air inlet of the second level rough cooling heat exchanger; the water-cooling device comprises a cooling tower, a water inlet pipeline and a water return pipeline, one end of the water inlet pipeline is connected with a water outlet of the cooling tower and the other end of the water inlet pipeline is connected with a water inlet of the first level rough cooling heat exchanger and a water inlet of the second level rough cooling heat exchanger, and one end of the water return pipeline is connected with a water inlet of the cooling tower and the other end of the water return pipeline is connected with a water outlet of the first level rough cooling heat exchanger and a water outlet of the second level rough cooling heat exchanger. The rough cooling heat exchangers are cooled by adopting water cycle provided by the cooling tower instead of being cooled by adopting an ice maker in the prior art; the power consumption is 400 kW/h for producing a ton of AHF (Anhydrous Hydrogen Fluoride), and equivalent to half of the conventional power consumption; the power can be saved for 6 million kW/h per year, so that the power consumption is reduced greatly, and the cost of an enterprise is reduced.
Description
Technical field
The utility model relates to a kind of air-washer, specifically, has related to and in a kind of industry, has manufactured the hydrogen fluoride air-washer that anhydrous hydrogen fluoride is used.
Background technology
In the production technique of current anhydrous hydrogen fluoride, in the furnace gas of just having made, except hydrogen fluoride, also contain plurality of impurities, as: water, sulfuric acid, SiF
4, H
2s, H
2, SO
2, SO
3, CO
2deng gas and other micro-residue.In the process of purifying at hydrogen fluoride, often need first furnace gas to be entered in washing tower and carries out countercurrent washing purification with washing acid, to remove moisture and the trace solid residue in furnace gas, then washed furnace gas is entered and in thick cold heat exchanger, remove sulfuric acid and moisture, then furnace gas enters condenser again and is further processed.In this process, thick cold heat exchanger need to be equipped with cooling system, and in prior art, conventional cooling system is ice maker, yet ice maker current consumption in actual production is too large, one ton of AHF of every product needs power consumption 800kW/h, and this has increased enterprise cost greatly, and is unfavorable for the realization of energy-saving and emission-reduction.
In order to solve the problem of above existence, people are seeking a kind of desirable technical solution always.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, thereby the hydrogen fluoride air-washer that a kind of design science, current consumption are low, reduce enterprise cost is provided.
To achieve these goals, the technical scheme that the utility model adopts is: a kind of hydrogen fluoride air-washer, comprise the thick cold heat exchanger of one-level and the thick cold heat exchanger of secondary and water cooling plant, the air outlet of the thick cold heat exchanger of described one-level is communicated with the inlet mouth of the thick cold heat exchanger of described secondary, described water cooling plant comprises cooling tower, inlet channel and water return pipeline, described inlet channel one end connects the water outlet of described cooling tower and the water-in that the other end connects the thick cold heat exchanger of described one-level and the thick cold heat exchanger of secondary, described water return pipeline one end connects the water-in of described cooling tower and the water outlet that the other end connects the thick cold heat exchanger of described one-level and the thick cold heat exchanger of secondary.
Based on above-mentioned, the thick cold heat exchanger of described one-level comprises at least two thick cold heat exchanger bodies of one-level, described in each, the air outlet of the thick cold heat exchanger body of one-level is all communicated with the inlet mouth of the thick cold heat exchanger of described secondary, described inlet channel comprises the water inlet main pipeline being connected with described cooling tower water outlet and at least three branch road water inlet pipes that are connected with the water-in of the thick cold heat exchanger body of described one-level and the water-in of the thick cold heat exchanger of described secondary respectively, described water return pipeline comprises the water inlet main pipeline being connected with described cooling tower water-in and at least three branch road water inlet pipes that are connected with the water-in of the thick cold heat exchanger body of described one-level and the water outlet of the thick cold heat exchanger of described secondary respectively.
Based on above-mentioned, described water cooling plant also comprises first-stage condenser, and the air outlet of the thick cold heat exchanger of described secondary connects the inlet mouth of described first-stage condenser.
Based on above-mentioned, the inlet mouth of the thick cold heat exchanger of described one-level connects the air outlet of washing tower by intake ducting, at the bottom of the thick cold heat exchanger of described one-level with at the bottom of the thick cold heat exchanger of described secondary, is connected respectively the liquid return hole of washing tower by back liquid pipeline.
The relative prior art of the utility model has substantive distinguishing features and progress, specifically, in prior art, one ton of AHF of every product needs power consumption 800kW/h, utilize now water cycle that described cooling tower provides to lowering the temperature in described thick cold heat exchanger, replaced the mode of utilizing ice maker to lower the temperature in prior art, produce one ton of AHF power consumption 400kW/h, be equivalent to half of original current consumption, by producing 1.5 ten thousand tons of AHF per year, calculate, every year can brownout 6,000,000 kW/h, greatly reduce current consumption, reduced enterprise cost.This hydrogen fluoride air-washer has advantages of that design science, current consumption are low, reduces enterprise cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1. the thick cold heat exchanger of one-level; 2. the thick cold heat exchanger of secondary; 3. cooling tower; 4. inlet channel; 5. water return pipeline; 6. washing tower; 7. intake ducting; 8. back liquid pipeline; 9. first-stage condenser.
Embodiment
Below by embodiment, the technical solution of the utility model is described in further detail.
As shown in Figure 1, a kind of hydrogen fluoride air-washer, comprise the thick cold heat exchanger 1 of one-level and the thick cold heat exchanger 2 of secondary and water cooling plant, the air outlet of the thick cold heat exchanger 1 of described one-level is communicated with the inlet mouth of the thick cold heat exchanger 2 of described secondary, described water cooling plant comprises cooling tower 3, inlet channel 4 and water return pipeline 5, described inlet channel 4 one end connect the water outlet of described cooling tower 3 and the water-in that the other end connects the thick cold heat exchanger 1 of described one-level and the thick cold heat exchanger 2 of secondary, described water return pipeline 5 one end connect the water-in of described cooling tower 3 and the water outlet that the other end connects the thick cold heat exchanger 1 of described one-level and the thick cold heat exchanger 2 of secondary.In prior art, one ton of AHF of every product needs power consumption 800kW/h, utilize now the water cycle that described cooling tower 3 provides to lower the temperature to the thick cold heat exchanger of two-stage inside, replaced the mode of utilizing ice maker to lower the temperature in prior art, produce only power consumption 400kW/h of one ton of AHF, be equivalent to half of original current consumption, by producing 1.5 ten thousand tons of AHF per year, calculate, every year can brownout 6,000,000 kW/h, greatly reduce current consumption, reduced enterprise cost.
The thick cold heat exchanger 1 of described one-level comprises at least two thick cold heat exchanger bodies of one-level, described in each, the air outlet of the thick cold heat exchanger body of one-level is all communicated with the inlet mouth of the thick cold heat exchanger 2 of described secondary, described inlet channel 4 comprises the water inlet main pipeline being connected with described cooling tower 3 water outlets and at least three branch road water inlet pipes that are connected with the water-in of the thick cold heat exchanger body of described one-level and the water-in of the thick cold heat exchanger 2 of described secondary respectively, described water return pipeline 5 comprises the water inlet main pipeline being connected with described cooling tower 3 water-ins and at least three branch road water inlet pipes that are connected with the water-in of the thick cold heat exchanger body of described one-level and the water outlet of the thick cold heat exchanger 2 of described secondary respectively.Thick cold heat exchanger is for removing sulfuric acid and the moisture in furnace gas, furnace gas enters respectively and in two thick cold heat exchanger bodies of described one-level, carries out slightly coldly from discharge at described washing tower 6 tops, and at least two thick cold heat exchanger bodies of described one-level side by side work are easier to remove most of sulfuric acid and the moisture in furnace gas; The thick cold heat exchanger 4 of described secondary is removed not removed small portion sulfuric acid and moisture in the thick cold heat exchanger 5 of described one-level again.And water cooling plant must provide Water-cooling circulating one to one to the cooperating of this multistage thick cold heat exchanger or a plurality of thick cold heat exchanger bodies.
Described water cooling plant also comprises first-stage condenser 9, and the air outlet of the thick cold heat exchanger 2 of described secondary connects the inlet mouth of described first-stage condenser 9, and described first-stage condenser 9 is carried out condensation by gas out from the thick cold heat exchanger 2 of described secondary.
The inlet mouth of the thick cold heat exchanger 1 of described one-level connects the air outlet of washing tower 6 by intake ducting 7,1 end of the thick cold heat exchanger of described one-level is connected respectively the liquid return hole of washing tower 6 with 2 ends of the thick cold heat exchanger of described secondary by back liquid pipeline 8.In the sulfuric acid and moisture being removed, still contain part furnace gas in each thick cold heat exchanger, need to again reclaim gas washing again, so sulfuric acid and moisture reenter in described washing tower 6 by described back liquid pipeline 8.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characterictic is equal to replacement embodiment of the present utility model; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (4)
1. a hydrogen fluoride air-washer, comprise the thick cold heat exchanger of one-level and the thick cold heat exchanger of secondary, the air outlet of the thick cold heat exchanger of described one-level is communicated with the inlet mouth of the thick cold heat exchanger of described secondary, it is characterized in that: also comprise water cooling plant, described water cooling plant comprises cooling tower, inlet channel and water return pipeline, described inlet channel one end connects the water outlet of described cooling tower and the water-in that the other end connects the thick cold heat exchanger of described one-level and the thick cold heat exchanger of secondary, described water return pipeline one end connects the water-in of described cooling tower and the water outlet that the other end connects the thick cold heat exchanger of described one-level and the thick cold heat exchanger of secondary.
2. hydrogen fluoride air-washer according to claim 1, it is characterized in that: the thick cold heat exchanger of described one-level comprises at least two thick cold heat exchanger bodies of one-level, described in each, the air outlet of the thick cold heat exchanger body of one-level is all communicated with the inlet mouth of the thick cold heat exchanger of described secondary, described inlet channel comprises the water inlet main pipeline being connected with described cooling tower water outlet and at least three branch road water inlet pipes that are connected with the water-in of the thick cold heat exchanger body of described one-level and the water-in of the thick cold heat exchanger of described secondary respectively, described water return pipeline comprises the water inlet main pipeline being connected with described cooling tower water-in and at least three branch road water inlet pipes that are connected with the water-in of the thick cold heat exchanger body of described one-level and the water outlet of the thick cold heat exchanger of described secondary respectively.
3. hydrogen fluoride air-washer according to claim 1 and 2, is characterized in that: described water cooling plant also comprises first-stage condenser, and the air outlet of the thick cold heat exchanger of described secondary connects the inlet mouth of described first-stage condenser.
4. hydrogen fluoride air-washer according to claim 1 and 2, it is characterized in that: the inlet mouth of the thick cold heat exchanger of described one-level connects the air outlet of washing tower by intake ducting, at the bottom of the thick cold heat exchanger of described one-level with at the bottom of the thick cold heat exchanger of described secondary, by back liquid pipeline, be connected respectively the liquid return hole of washing tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320678322.2U CN203529928U (en) | 2013-10-31 | 2013-10-31 | Hydrogen fluoride air washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320678322.2U CN203529928U (en) | 2013-10-31 | 2013-10-31 | Hydrogen fluoride air washer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203529928U true CN203529928U (en) | 2014-04-09 |
Family
ID=50416164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320678322.2U Expired - Lifetime CN203529928U (en) | 2013-10-31 | 2013-10-31 | Hydrogen fluoride air washer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203529928U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108928804A (en) * | 2018-10-17 | 2018-12-04 | 杨松 | A kind of application method preparing hydrogen fluoride wash tower |
-
2013
- 2013-10-31 CN CN201320678322.2U patent/CN203529928U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108928804A (en) * | 2018-10-17 | 2018-12-04 | 杨松 | A kind of application method preparing hydrogen fluoride wash tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: LUOYANG FLUORIDE + POTASSIUM TECHNOLOGY COMPANY Free format text: FORMER NAME: LUOYANG FLUORIDE + POTASSIUM TECHNOLOGY LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 471400, Luoyang, Songxian, Henan province Township Po Industrial Agglomeration Area Luoyang fluorine potassium Technology Co., Ltd. Patentee after: LUOYANG POTASSIUM FLUORIDE TECHNOLOGY CO.,LTD. Address before: 471400, Luoyang, Songxian, Henan province Township Po Industrial Agglomeration Area Luoyang fluorine potassium Technology Co., Ltd. Patentee before: Luoyang Fluoride & Potassium Technology Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140409 |