CN217220846U - Hydrogen chloride tail gas purification device - Google Patents
Hydrogen chloride tail gas purification device Download PDFInfo
- Publication number
- CN217220846U CN217220846U CN202220344076.6U CN202220344076U CN217220846U CN 217220846 U CN217220846 U CN 217220846U CN 202220344076 U CN202220344076 U CN 202220344076U CN 217220846 U CN217220846 U CN 217220846U
- Authority
- CN
- China
- Prior art keywords
- gas
- hydrogen chloride
- water
- pipeline
- tower
- 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 - Fee Related
Links
- 239000007789 gas Substances 0.000 title claims abstract description 64
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 229910000041 hydrogen chloride Inorganic materials 0.000 title claims abstract description 33
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 238000000746 purification Methods 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 239000007921 spray Substances 0.000 claims abstract description 21
- 238000005507 spraying Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract description 2
- 239000003513 alkali Substances 0.000 description 8
- 239000002585 base Substances 0.000 description 7
- 239000002351 wastewater Substances 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a hydrogen chloride tail gas purification device, when in use, hydrogen chloride gas can be sent into a main body tower from an air inlet pipeline, and the hydrogen chloride gas is sprayed by opening the spray header, the hydrogen chloride gas enters the water to form a hydrogen chloride solution, the sprayed gas is discharged from the first exhaust pipeline, the acid-base detector detects the purified gas in the discharging process, the electric gas valve on the exhaust pipeline I is opened after the gas is detected to be harmless, when the detected gas is unqualified, the second exhaust pipeline is closed, and the first electric gas valve on the gas return pipeline is opened to return the gas to the gas inlet pipeline for secondary spraying until the gas is clean and harmless, the utility model discloses a can detect exhaust gas, avoid clean not in place gas to discharge in the air, improve this utility model's security.
Description
Technical Field
The utility model relates to a hydrogen chloride tail gas purification technical field, concrete field is a hydrogen chloride tail gas cleanup unit.
Background
The hydrogen chloride is a colorless and non-combustible gas, has extremely pungent smell, has specific gravity greater than that of air, generates white fog when meeting humid air, is very easy to dissolve in water to generate hydrochloric acid, has strong corrosivity, can react with various metals to generate hydrogen, can form an explosive mixture with the air, and generates highly toxic hydrogen cyanide when meeting cyanide; when the hydrogen chloride tail gas is treated, alkali liquor is usually used for absorption, so that the alkali liquor is consumed, salt-containing wastewater which is difficult to treat is generated, and double waste is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydrogen chloride tail gas cleanup unit to solve and to provide in the above-mentioned background art when handling hydrogen chloride tail gas, use alkali lye to absorb usually, both consumed alkali lye like this, will generate the salt containing waste water of hardly handling, caused dual extravagant problem.
In order to achieve the above object, the utility model provides a following technical scheme: a hydrogen chloride tail gas purification device comprises a main body tower, wherein a spray pipeline is arranged on the upper surface of the main body tower, a spray head is arranged at one end, extending into the main body tower, of the spray pipeline, a connecting block is arranged at one end, extending out of the main body tower, of the spray pipeline, a first water pipe is arranged on one side of the connecting block, a water storage cavity is arranged at the lower end of the main body tower, a first water pump is arranged on the lower surface of the water storage cavity, a second water pipe is arranged at the output end of the first water pump, one end of the second water pipe extends out of the water storage cavity and is provided with an external water tank, a second water pump is arranged on the lower surface inside the external water tank, one end of the first water pipe extends into the external water tank and is communicated with the output end of the second water pump, an air inlet pipeline is arranged at the upper end of the side surface of the main body tower, an electric air pump is arranged on the side surface of the lower end of the main body tower, and an exhaust pipeline is arranged at the output end of the electric air pump, the gas-liquid separator is characterized in that a first acid-base detector is arranged on the first exhaust pipeline, a gas return pipeline is arranged at one end of the first exhaust pipeline, the other end of the gas return pipeline is communicated with the gas inlet pipeline, a second exhaust pipeline is arranged at one end of the first exhaust pipeline, and a first electric gas valve is arranged on the gas return pipeline and the second exhaust pipeline.
Preferably, the inside of external water tank is equipped with No. two acid-base detectors, be equipped with No. two electronic pneumatic valves on the admission line, be equipped with inlet tube and outlet pipe on the external water tank.
Preferably, the inside of main part tower is equipped with the sieve plate layer, the inside of sieve plate layer is equipped with the sieve of snakelike arranging.
Preferably, the main body tower is internally provided with a corrugated layer, and the corrugated layer is internally provided with a plurality of corrugated plates which are longitudinally arranged.
Preferably, the screen layer is below the corrugated layer.
Compared with the prior art, the beneficial effects of the utility model are that: a hydrogen chloride tail gas purification device has the advantages that:
(1) the spraying water is used for spraying, so that alkali liquor is avoided, the alkali liquor consumption can be reduced, and the generation of salt-containing wastewater is avoided.
(2) The utility model discloses a can detect exhaust gas, avoid clean not in place gas to discharge in the air, improve this utility model's security.
Drawings
FIG. 1 is a schematic sectional view of the front view of the present invention;
fig. 2 is a schematic view of an axial measurement structure of the liquid circulation system of the present invention;
fig. 3 is a schematic view of the axial measurement structure of the gas circulation system of the present invention.
In the figure: the device comprises a main tower 1, a spray pipeline 2, a spray head 3, a connecting block 4, a water pipe 5, a water storage cavity 6, a water pump 7, a water pipe 8, a water pipe II, an external water tank 9, an electric air pump 10, an exhaust pipeline 11, an acid-base detector 12, an air inlet pipeline 13, an air return pipeline 14, an exhaust pipeline 15, an electric air valve 16, an electric air valve 17, an acid-base detector 18, an electric air valve II, a water inlet pipe 19, a water outlet pipe 20, a sieve plate layer 21 and a corrugated layer 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a hydrogen chloride tail gas cleanup unit, includes main part tower 1, its characterized in that: the upper surface of the main body tower 1 is provided with a spray pipeline 2, one end of the spray pipeline 2 extending into the main body tower 1 is provided with a spray header 3, one end of the spray pipeline 2 extending out of the main body tower 1 is provided with a connecting block 4, one side of the connecting block 4 is provided with a first water pipe 5, the lower end of the main body tower 1 is provided with a water storage cavity 6, the lower surface of the water storage cavity 6 is provided with a first water pump 7, the output end of the first water pump 7 is provided with a second water pipe 8, one end of the second water pipe 8 extends out of the water storage cavity 6 and is provided with an external water tank 9, the lower surface inside the external water tank 9 is provided with a second water pump 7, one end of the first water pipe 5 extends into the external water tank 9 and is communicated with the output end of the second water pump 7, the upper end of the side surface of the main body tower 1 is provided with an air inlet pipeline 13, the side surface of the lower end of the main body tower 1 is provided with an electric air pump 10, the output end of the electric air pump 10 is provided with a first exhaust pipeline 11, when the acid and alkali detector is used, hydrogen chloride gas can be fed into the main body tower 3 from the gas inlet pipeline 13, the hydrogen chloride gas is sprayed by opening the spray head 3, the hydrogen chloride gas enters the water to form a hydrogen chloride solution, the sprayed gas is discharged from the first gas outlet pipeline 11, the acid and alkali detector detects the purified gas in the discharging process, the electric gas valve 16 on the second gas outlet pipeline 15 is opened after the gas is harmless, when the gas is unqualified, close No. two exhaust duct 15 to open an electronic pneumatic valve 16 on the return air duct 14, make gaseous getting back to and carry out the secondary in the inlet duct 13 and spray, until gaseous clean harmless, this utility model can detect exhaust gas, avoids clean not in place gas to discharge in the air, has improved this utility model's security.
Specifically, the inside of external water tank 9 is equipped with No. two acid-base detector 17, be equipped with No. two electronic pneumatic valve 18 on the admission line 14, be equipped with inlet tube 19 and outlet pipe 20 on the external water tank 9, become the hydrogen chloride solution after the hydrogen chloride sprays to absorb with water, can carry out recycle, nevertheless only once spray, the hydrogen chloride solution concentration is too low, be not convenient for use and waste water resource, consequently recycle the shower water, until the acidity of solution reaches the threshold value, No. two acid-base detector 17 sends the warning this moment, close No. two electronic pneumatic valve 18, retrieve the hydrogen chloride solution in external water tank 9 by operating personnel, and supply new shower water.
Specifically, the inside of main part tower 1 is equipped with sieve layer 21, the inside of sieve layer 21 is equipped with the sieve of snakelike arranging.
Specifically, the inside of the main body tower 1 is provided with a corrugated layer 22, and the inside of the corrugated layer 22 is provided with a plurality of corrugated plates arranged in the longitudinal direction.
Specifically, the screen deck layer 21 is below the corrugated layer 22.
The working principle is as follows: when using this utility model, can send into the main part tower 3 with hydrogen chloride gas from admission line 13, and will open shower head 3 hydrogen chloride gas and spray, make hydrogen chloride gas get into the aquatic and form hydrogen chloride solution, gas after spraying is discharged from exhaust duct 11, gas after exhaust in-process acid-base detector 12 detects the gas after purifying, will open an electric air valve 16 on No. two exhaust duct 15 after detecting gas is harmless, when detecting gas is unqualified, close No. two exhaust duct 15, and open an electric air valve 16 on the return air duct 14, make gas get back to and carry out the secondary and spray in the admission line 13, until gaseous clean harmless, the utility model discloses can detect exhaust gas, avoid clean not in place gas to discharge in the air, the security of this utility model is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a hydrogen chloride tail gas cleanup unit, includes main part tower (1), its characterized in that: the upper surface of the main body tower (1) is provided with a spray pipeline (2), one end of the spray pipeline (2) extending into the main body tower (1) is provided with a spray header (3), one end of the spray pipeline (2) extending out of the main body tower (1) is provided with a connecting block (4), one side of the connecting block (4) is provided with a water pipe (5), the lower end of the main body tower (1) is provided with a water storage cavity (6), the lower surface of the water storage cavity (6) is provided with a water pump (7), the output end of the water pump (7) is provided with a water pipe (8), one end of the water pipe (8) extends out of the water storage cavity (6) and is provided with an external water tank (9), the lower surface inside the external water tank (9) is provided with a water pump (7), one end of the water pipe (5) extends into the external water tank (9) and is communicated with the output end of the water pump (7), the upper end of main part tower (1) side surface is equipped with admission line (13), the side surface of main part tower (1) lower extreme is equipped with electronic air pump (10), the output of electronic air pump (10) is equipped with exhaust duct (11) No. one, be equipped with acid-base detector (12) on exhaust duct (11), the one end of exhaust duct (11) is equipped with return air duct (14), the other end and admission line (13) of return air duct (14) are linked together, the one end of exhaust duct (11) is equipped with No. two exhaust duct (15), be equipped with an electronic pneumatic valve (16) on return air duct (14) and No. two exhaust duct (15).
2. The hydrogen chloride off-gas purification device according to claim 1, characterized in that: the acid-base detector (17) is arranged inside the external water tank (9), the air inlet pipeline (13) is provided with the electric air valve (18) II, and the external water tank (9) is provided with the water inlet pipe (19) and the water outlet pipe (20).
3. The hydrogen chloride off-gas purification device according to claim 1, characterized in that: the inside of main part tower (1) is equipped with sieve plate layer (21), the inside of sieve plate layer (21) is equipped with snakelike sieve of arranging.
4. The hydrogen chloride tail gas purification device according to claim 3, characterized in that: the main body tower (1) is internally provided with a corrugated layer (22), and the corrugated layer (22) is internally provided with a plurality of corrugated plates which are longitudinally arranged.
5. The hydrogen chloride off-gas purification device according to claim 4, characterized in that: the screen layer (21) is below the corrugated layer (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220344076.6U CN217220846U (en) | 2022-02-21 | 2022-02-21 | Hydrogen chloride tail gas purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220344076.6U CN217220846U (en) | 2022-02-21 | 2022-02-21 | Hydrogen chloride tail gas purification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217220846U true CN217220846U (en) | 2022-08-19 |
Family
ID=82836651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220344076.6U Expired - Fee Related CN217220846U (en) | 2022-02-21 | 2022-02-21 | Hydrogen chloride tail gas purification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217220846U (en) |
-
2022
- 2022-02-21 CN CN202220344076.6U patent/CN217220846U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220819 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |