CN203862112U - Hydrogen fluoride gas purification device for rare earth - Google Patents
Hydrogen fluoride gas purification device for rare earth Download PDFInfo
- Publication number
- CN203862112U CN203862112U CN201420123081.XU CN201420123081U CN203862112U CN 203862112 U CN203862112 U CN 203862112U CN 201420123081 U CN201420123081 U CN 201420123081U CN 203862112 U CN203862112 U CN 203862112U
- Authority
- CN
- China
- Prior art keywords
- hydrogen fluoride
- spray
- rare earth
- fluoride gas
- absorption chamber
- 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
- 239000007789 gas Substances 0.000 title claims abstract description 44
- 229910000040 hydrogen fluoride Inorganic materials 0.000 title claims abstract description 33
- 238000000746 purification Methods 0.000 title claims abstract description 31
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 20
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 title abstract description 24
- 150000002910 rare earth metals Chemical class 0.000 title abstract description 10
- 238000010521 absorption reaction Methods 0.000 claims abstract description 39
- 239000007788 liquid Substances 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000003513 alkali Substances 0.000 claims abstract description 26
- 239000007921 spray Substances 0.000 claims abstract description 13
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 57
- -1 rare earth hydrogen fluoride Chemical class 0.000 claims description 12
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000000889 atomisation Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- YZCKVEUIGOORGS-IGMARMGPSA-N Protium Chemical compound [1H] YZCKVEUIGOORGS-IGMARMGPSA-N 0.000 description 1
- 241000720974 Protium Species 0.000 description 1
- 229910004014 SiF4 Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000002085 irritant Substances 0.000 description 1
- 231100000021 irritant Toxicity 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- ABTOQLMXBSRXSM-UHFFFAOYSA-N silicon tetrafluoride Chemical compound F[Si](F)(F)F ABTOQLMXBSRXSM-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Landscapes
- Gas Separation By Absorption (AREA)
Abstract
The utility model belongs to the field of rare earth environmental protection and particularly relates to a hydrogen fluoride gas purification device for rare earth. With the adoption of the hydrogen fluoride gas purification device, the hydrogen fluoride gas absorption treatment method is good in effect and high in efficiency and the cost of an enterprise is reduced. The hydrogen fluoride gas purification device for the rare earth comprises a gas collection chamber, a spray absorption chamber, an alkali liquor water supply tank and a purification liquid tank, wherein the gas collection chamber is connected with the spray absorption chamber through a connecting pipe I, and the spray absorption chamber is connected with the purification liquid tank through a connecting pipe II. The device is simple in structure, alkali liquor can be fully contacted with a hydrogen fluoride gas with an atomization spray method, and the purified gas is retreated by the purification liquid tank, so that the device is good in purification effect and high in efficiency, the gas reaches emission standards, and the cost of the enterprise is reduced.
Description
Technical field
The utility model belongs to rare earth field of environment protection, is specifically related to the purifying processing device of hydrogen fluoride gas for a kind of rare earth.
Background technology
Hydrogen fluoride (chemical formula: binary compound HF) being formed by fluorine element and protium.It is the gas of colourless irritant smell, is a kind of monobasic weak acid.Hydrogen fluoride and the aqueous solution thereof are all toxic, easily make bone, deformity teeth.
In rare earth oxide production process, because raw material is bastnaesite [(Ce.La) (CO3) F], in the course of reaction with sulfuric acid, can produce ocratation (SiF4) and hydrogen fluoride (HF) gas.A large amount of waste gas that contain hydrogen fluoride gas not only cause environmental pollution by equipment exhausting in air, also can bring very large hidden danger to the healthy of operating personnel, so be the major issue of benefiting the nation and the people by the discharge standard that reaches the requirement of national environmental protection department for its purification.
At present, Rare Earth Enterprises conventionally adopts hydrogen fluoride gas is directly conducting in scavenging solution, and this mode clean-up effect is poor, can not eliminate fast and effectively hydrogen fluoride in waste gas, need to just can reach decontamination index through repetitious operation, like this, increase the production cost of enterprise.
In order better to process the pernicious gases such as hydrogen fluoride, save production cost, improve enterprise work environment, therefore design a kind of rare earth necessary with hydrogen fluoride gas purifier.
Utility model content
(1) technical problem that will solve
The utility model can not be thorough in order to overcome hydrogen fluoride gas absorption processing mode, easily cause environmental pollution, need repeated multiple times processing, the shortcoming that entreprise cost is high, the technical problems to be solved in the utility model is to provide a kind of hydrogen fluoride gas purifying processing device, make hydrogen fluoride gas absorb processing mode effective, efficiency is high, reduces entreprise cost.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of like this rare earth hydrogen fluoride gas purifying processing device, comprises that collection chamber, spray-absorption chamber, alkali lye are to water pot, purification liquid pool.Described collection chamber is connected by tube connector I with spray-absorption chamber, and described spray-absorption chamber is connected by tube connector II with purification liquid pool.Described spray-absorption chamber is connected by water pump I to water pot with alkali lye, and described purification liquid pool is connected to water pot water pump II with alkali lye.
Preferably, described spray-absorption chamber delivery port is provided with valve I.
Preferably, described purification liquid pool delivery port is provided with valve II.
Preferably, described spray-absorption chamber is provided with 2 spray throwers.
Preferably, alkali lye adopts sodium hydroxide solution.
Operation principle: the effect of collection chamber is by the exhaust collections such as hydrogen fluoride in Rare Earth Enterprises production process.First by water pump I, alkali lye is delivered to admission port, spray-absorption chamber, by spray thrower atomizing spray, the abundant haptoreaction of the gas such as atomized liquid and hydrogen fluoride, after reaction, waste water is discharged by spray-absorption chamber outlet valve I, purified gas enters purification liquid pool by gas outlet, spray-absorption chamber and again purifies, and the gas after purified treatment is discharged by clarifier-tank gas outlet.Purify admission port, liquid pool upper end and pass through water pump II and be connected alkali lye to water pot, purify liquid pool lower end delivery port and be provided with valve II, reacted waste liquid can be discharged.
(3) beneficial effect
This apparatus structure is simple, adopts the mode of atomizing spray that alkali lye can be contacted with hydrogen fluoride gas fully, purified gas is processed by purifying liquid pool again, and good purification, efficiency is high, and gas has reached discharge index, has reduced entreprise cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Being labeled as in accompanying drawing: 1-collection chamber, 2-spray-absorption chamber, 3-alkali lye is to water pot, and 4-purifies liquid pool gas outlet, and 5-purifies liquid pool, 6-spray thrower, 7-water pump I, 8-water pump II, 9-valve I, 10-valve II, 11-tube connector I, 12-tube connector II.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
embodiment 1
A rare earth hydrogen fluoride gas purifying processing device, as shown in Figure 1, comprises that collection chamber 1, spray-absorption chamber 2, alkali lye are to water pot 3, purification liquid pool 5.Described collection chamber 1 is connected by tube connector I11 with spray-absorption chamber 2, and described spray-absorption chamber 2 is connected by tube connector II 12 with purification liquid pool 5.Described spray-absorption chamber 2 is connected by water pump I7 to water pot 3 with alkali lye, and described purification liquid pool 5 is connected to water pot 3 water pump II 8 with alkali lye.
embodiment 2
A rare earth hydrogen fluoride gas purifying processing device, as shown in Figure 1, comprises that collection chamber 1, spray-absorption chamber 2, alkali lye are to water pot 3, purification liquid pool 5.Described collection chamber 1 is connected by tube connector I11 with spray-absorption chamber 2, and described spray-absorption chamber 2 is connected by tube connector II 12 with purification liquid pool 5.Described spray-absorption chamber 2 is connected by water pump I7 to water pot 3 with alkali lye, and described purification liquid pool 5 is connected to water pot 3 water pump II 8 with alkali lye.Described spray-absorption chamber 2 delivery ports are provided with valve I9.Described purification liquid pool 5 delivery ports are provided with valve II 10.
embodiment 3
A rare earth hydrogen fluoride gas purifying processing device, as shown in Figure 1, comprises that collection chamber 1, spray-absorption chamber 2, alkali lye are to water pot 3, purification liquid pool 5.Described collection chamber 1 is connected by tube connector I11 with spray-absorption chamber 2, and described spray-absorption chamber 2 is connected by tube connector II 12 with purification liquid pool 5.Described spray-absorption chamber 2 is connected by water pump I7 to water pot 3 with alkali lye, and described purification liquid pool 5 is connected to water pot 3 water pump II 8 with alkali lye.Described spray-absorption chamber 2 delivery ports are provided with valve I9.Described purification liquid pool 5 delivery ports are provided with valve II 10.Described spray-absorption chamber 2 is provided with 2 spray throwers 6.Alkali lye adopts sodium hydroxide solution.
Operation principle: the effect of collection chamber 1 is by the exhaust collections such as hydrogen fluoride in Rare Earth Enterprises production process.First by water pump I7, alkali lye is delivered to 2 admission ports, spray-absorption chamber, by spray thrower 6 atomizing sprays, the abundant haptoreaction of the gas such as atomized liquid and hydrogen fluoride, after reaction, waste water is discharged by spray-absorption chamber 2 outlet valve I9, purified gas enters purification liquid pool 5 by 2 gas outlets, spray-absorption chamber and again purifies, and the gas after purified treatment is discharged by clarifier-tank gas outlet.Purify liquid pool 5 admission ports, upper end and pass through water pump II 8 and be connected alkali lye to water pot 3, purify liquid pool 5 lower end delivery ports and be provided with valve II 10, reacted waste liquid can be discharged.
The above embodiment has only expressed preferred embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion, improvement and substitute, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (5)
1. a rare earth hydrogen fluoride gas purifying processing device, it is characterized in that, comprise that collection chamber (1), spray-absorption chamber (2), alkali lye are to water pot (3), purification liquid pool (5), described collection chamber (1) with spray-absorption chamber (2) by tube connector I(11) be connected, described spray-absorption chamber (2) is connected by tube connector II (12) with purification liquid pool (5), described spray-absorption chamber (2) and alkali lye to water pot (3) by water pump I(7) be connected, described purification liquid pool (5) is connected to water pot (3) water pump II (8) with alkali lye.
2. a kind of rare earth hydrogen fluoride gas purifying processing device according to claim 1, is characterized in that, described spray-absorption chamber (2) delivery port is provided with valve I(9).
3. a kind of rare earth hydrogen fluoride gas purifying processing device according to claim 1, is characterized in that, described purification liquid pool (5) delivery port is provided with valve II (10).
4. a kind of rare earth hydrogen fluoride gas purifying processing device according to claim 1, is characterized in that, described spray-absorption chamber (2) is provided with 2 spray throwers (6).
5. a kind of rare earth hydrogen fluoride gas purifying processing device according to claim 1, is characterized in that, alkali lye adopts sodium hydroxide solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420123081.XU CN203862112U (en) | 2014-03-19 | 2014-03-19 | Hydrogen fluoride gas purification device for rare earth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420123081.XU CN203862112U (en) | 2014-03-19 | 2014-03-19 | Hydrogen fluoride gas purification device for rare earth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203862112U true CN203862112U (en) | 2014-10-08 |
Family
ID=51643103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420123081.XU Expired - Lifetime CN203862112U (en) | 2014-03-19 | 2014-03-19 | Hydrogen fluoride gas purification device for rare earth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203862112U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104971609A (en) * | 2015-07-22 | 2015-10-14 | 南京格洛特环境工程股份有限公司 | Hydrogen fluoride waste gas control and recycling method and equipment |
| CN106310902A (en) * | 2015-06-29 | 2017-01-11 | 颜声林 | Waste gas treatment device |
| CN112156631A (en) * | 2020-10-10 | 2021-01-01 | 北京石晶光电科技股份有限公司 | Artificial crystal plate corrosion volatile liquid treatment device |
-
2014
- 2014-03-19 CN CN201420123081.XU patent/CN203862112U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106310902A (en) * | 2015-06-29 | 2017-01-11 | 颜声林 | Waste gas treatment device |
| CN104971609A (en) * | 2015-07-22 | 2015-10-14 | 南京格洛特环境工程股份有限公司 | Hydrogen fluoride waste gas control and recycling method and equipment |
| CN112156631A (en) * | 2020-10-10 | 2021-01-01 | 北京石晶光电科技股份有限公司 | Artificial crystal plate corrosion volatile liquid treatment device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141008 |
|
| CX01 | Expiry of patent term |