CN212068279U - Hydrogen chloride absorption system - Google Patents
Hydrogen chloride absorption system Download PDFInfo
- Publication number
- CN212068279U CN212068279U CN202020504255.2U CN202020504255U CN212068279U CN 212068279 U CN212068279 U CN 212068279U CN 202020504255 U CN202020504255 U CN 202020504255U CN 212068279 U CN212068279 U CN 212068279U
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- CN
- China
- Prior art keywords
- tower body
- hydrogen chloride
- absorption tower
- hydrochloric acid
- absorption
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- 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.)
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- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 title claims abstract description 135
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 87
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 229910000041 hydrogen chloride Inorganic materials 0.000 title claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000007788 liquid Substances 0.000 claims abstract description 36
- 238000005507 spraying Methods 0.000 claims abstract description 27
- 238000001179 sorption measurement Methods 0.000 claims abstract description 26
- 239000007921 spray Substances 0.000 claims abstract description 14
- 239000011148 porous material Substances 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 6
- RHBGITBPARBDPH-ZPUQHVIOSA-N (E,E)-piperic acid Chemical compound OC(=O)\C=C\C=C\C1=CC=C2OCOC2=C1 RHBGITBPARBDPH-ZPUQHVIOSA-N 0.000 claims description 2
- 230000001815 facial effect Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 45
- 239000003513 alkali Substances 0.000 abstract description 6
- 230000009471 action Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000000605 extraction Methods 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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Abstract
The utility model discloses a hydrogen chloride absorption system, which comprises an absorption tower body; an absorption layer and a spraying layer are sequentially arranged in the absorption tower body from bottom to top; the absorption tower body below the adsorption layer is communicated with a hydrochloric acid storage tank through an air inlet pipe, the spraying layer is communicated with a liquid outlet of a circulating water tank through a liquid inlet pipe, and a liquid inlet of the circulating water tank is communicated with the bottom of the absorption tower body. The advantages are that: hydrochloric acid formed on the Raschig ring is washed to the bottom of the absorption tower body by spray water through the absorption of the Raschig ring on hydrogen chloride gas; the hydrogen chloride gas volatilized in the hydrochloric acid storage tank can be completely absorbed through one absorption tower body without the extraction of external force action of an induced draft fan and the long-term operation of a delivery pump, so that no tail gas is discharged, the electric energy is saved, and the maintenance cost of equipment is reduced; after the water absorbs the volatilized hydrogen chloride gas to form hydrochloric acid, the hydrochloric acid can be recycled, resource waste is effectively avoided, a large amount of alkali liquor is not required to be consumed, and the investment cost is low.
Description
The technical field is as follows:
the utility model relates to a hydrochloric acid volatile gas absorbs technical field, in particular to hydrogen chloride absorption system.
Background art:
a large amount of hydrochloric acid produced in industry is usually stored in an underground storage tank for later use, the storage capacity of the hydrochloric acid storage tank is large, safety and no leakage can be guaranteed, the hydrochloric acid is volatile, volatilized hydrogen chloride gas can cause environmental pollution, the tank opening of the hydrochloric acid storage tank is usually sealed in order to avoid the pollution of the volatilized hydrogen chloride gas to the environment, but the volatilized large amount of hydrogen chloride gas can cause the increase of the pressure in the tank, the hydrogen chloride gas can easily escape into the air, and the service life of the hydrochloric acid storage tank can be shortened; in order to avoid environmental pollution and prolong the service life of a hydrochloric acid storage pool, the measures adopted at present are that hydrogen chloride gas volatilized from a closed hydrochloric acid storage pool is generally extracted into an absorption tower, the hydrogen chloride gas is neutralized by spraying alkali liquor in the absorption tower, and in order to completely absorb the volatilized hydrogen chloride gas, a plurality of absorption towers and fans are generally required to be connected in series to sequentially absorb the hydrogen chloride gas, so that a plurality of devices are required to be put into the absorption tower, the maintenance cost is high, the volatilized hydrogen chloride gas is neutralized by the alkali liquor, a large amount of alkali liquor is required to be consumed, the input cost is high, the waste of the hydrogen chloride gas is also caused, and the recycle of the hydrogen chloride gas cannot be realized.
The utility model has the following contents:
an object of the utility model is to provide an effectively retrieve hydrogen chloride gas and hydrogen chloride absorption system that reduce cost drops into.
The utility model discloses by following technical scheme implement: a hydrogen chloride absorption system comprises an absorption tower body and a circulating water tank; an adsorption layer and a spraying layer are sequentially arranged in the absorption tower body from bottom to top, and an exhaust port is formed in the top end of the absorption tower body; the absorption tower body of adsorbed layer below passes through intake pipe and hydrochloric acid reservoir intercommunication, spray the layer pass through the feed liquor pipe with circulation tank's liquid outlet intercommunication the feed liquor pipe facial make-up is equipped with the delivery pump, circulation tank's inlet pass through the drain pipe with the bottom intercommunication of absorption tower body.
Further, the adsorption layer comprises a pore plate horizontally fixed in the absorption tower body and Raschig rings filled on the pore plate; the outer edge of the pore plate is fixedly connected with the inner wall of the absorption tower body in an attaching mode.
Furthermore, the raschig ring comprises a cylindrical raschig ring body with openings at two ends, an adsorption plate is fixed in the raschig ring body, and a plurality of adsorption side edges are fixed on the outer wall of the raschig ring body along the circumferential direction.
Further, the spraying layer comprises a spraying pipe fixed in the absorption tower body, a liquid inlet of the spraying pipe is communicated with the liquid inlet pipe, and an atomizing nozzle communicated with the spraying pipe is arranged at the bottom of the spraying pipe.
Furthermore, a liquid discharge pipe is communicated with the bottom of the circulating water tank, and a switch valve is arranged on the liquid discharge pipe.
Further, the top of circulation tank is equipped with detection mouth.
Further, a liquid level meter is arranged on the side wall of the circulating water tank.
Further, spray the layer top the internal level of absorption tower is fixed with the gas-water separation board, the outward flange of gas-water separation board with the inner wall laminating fixed connection of absorption tower body.
Furthermore, an induced draft fan is arranged on the air inlet pipe.
The utility model has the advantages that: the utility model introduces the hydrogen chloride gas in the hydrochloric acid storage tank into the absorption tower body through the air inlet pipe, sprays the water mist sprayed by the atomizing nozzles on the spraying layer downwards onto the adsorption layer, provides enough contact area for the spraying water and the hydrogen chloride gas through the Raschig ring on the adsorption layer, is favorable for absorbing the hydrogen chloride gas, washes the hydrochloric acid formed on the Raschig ring to the bottom of the absorption tower body through the spraying water, flows into the bottom of the absorption tower body, and then flows into the circulating water tank through the liquid outlet pipe; therefore, the utility model can completely absorb the hydrogen chloride gas volatilized in the hydrochloric acid storage tank through the tower body of the absorption tower without the extraction of external force action of the induced draft fan and the long-term operation of the delivery pump, thereby having no tail gas emission, saving electric energy and reducing the maintenance cost of equipment; the utility model discloses a water absorbs formation hydrochloric acid to volatile hydrogen chloride gas after, can retrieve and recycle, effectively avoids the wasting of resources, need not consume a large amount of alkali lye moreover, and the input cost is low.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic structural diagram of the Raschig ring of the present invention.
Fig. 3 is a sectional view a-a of fig. 2.
The parts in the drawings are numbered as follows: the device comprises an absorption tower body 1, an exhaust port 1.1, a circulating water tank 2, a detection port 2.1, an adsorption layer 3, a pore plate 3.1, a Raschig ring 3.2, a Raschig ring body 3.21, an adsorption plate 3.22, an adsorption side edge 3.23, a spray layer 4, a spray pipe 4.1, an atomization nozzle 4.2, an air inlet pipe 5, a hydrochloric acid storage pool 6, a liquid inlet pipe 7, a delivery pump 8, a liquid outlet pipe 9, a liquid discharge pipe 10, a switch valve 11, a liquid level meter 12, a gas-water separation plate 13 and an induced draft fan 14.
The specific implementation mode is as follows:
as shown in fig. 1 to 3, a hydrogen chloride absorption system includes an absorption tower body 1 and a circulation water tank 2; an absorption layer 3 and a spraying layer 4 are sequentially arranged in the absorption tower body 1 from bottom to top, the spraying layer 4 is communicated with a liquid outlet of the circulating water tank 2 through a liquid inlet pipe 7, a conveying pump 8 is arranged on the liquid inlet pipe 7, and the conveying pump 8 in the embodiment is an anti-corrosion pump; in the embodiment, three spraying layers 4 are arranged, wherein each spraying layer 4 comprises a spraying pipe 4.1 fixed in an absorption tower body 1, a liquid inlet of each spraying pipe 4.1 is communicated with a liquid inlet pipe 7, and the bottom of each spraying pipe 4.1 is provided with a plurality of atomizing spray heads 4.2 which are communicated; the circulating water is arranged in the circulating water tank 2, the circulating water is pumped to the spray layer 4 in the absorption tower body 1 through the delivery pump 8, the circulating water is downwards sprayed to the adsorption layer 3 through the atomizing nozzles 4.2 through the spray pipes 4.1, and the water sprayed to the adsorption layer 3 through the atomizing nozzles 4.2 can be more dispersedly sprayed, so that the improvement of the absorption efficiency of the hydrogen chloride gas is facilitated.
The adsorption layer 3 comprises a pore plate 3.1 horizontally fixed in the absorption tower body 1 and a Raschig ring 3.2 filled on the pore plate 3.1; the outer edge of the pore plate 3.1 is fixedly connected with the inner wall of the absorption tower body 1 in an attaching manner; the raschig ring 3.2 comprises a cylindrical raschig ring body 3.21 with openings at two ends, an adsorption plate 3.22 is fixed in the raschig ring body 3.21, a plurality of adsorption side edges 3.23 are fixed on the outer wall of the raschig ring body 3.21 at equal intervals along the circumferential direction, each adsorption side edge 3.23 is arranged along the axial direction of the cylindrical raschig ring body 3.21, the raschig ring 3.2 is made of a ceramic material, the raschig ring body 3.21, the adsorption plate 3.22 and the adsorption side edges 3.23 are of an integrally formed structure, and the inner wall and the outer wall of the cylindrical raschig ring body 3.21, the two side faces of the adsorption plate 3.22 and the outer wall of the adsorption side edges 3.23 can provide enough contact areas for spray water and hydrogen chloride gas, so that the absorption of the hydrogen chloride gas is facilitated; the absorption tower body 1 below the adsorption layer 3 is communicated with the hydrochloric acid storage tank 6 through the air inlet pipe 5, under the action of self pressure, hydrogen chloride gas in the hydrochloric acid storage tank 6 is introduced into the absorption tower body 1 through the air inlet pipe 5, and the hydrogen chloride gas entering the absorption tower body 1 is adsorbed in the adsorption layer 3 with moisture after passing through the pore plate 3.1.
A liquid inlet of the circulating water tank 2 is communicated with the bottom of the absorption tower body 1 through a liquid outlet pipe 9; a liquid discharge pipe 10 is communicated with the bottom of the circulating water tank 2, a switch valve 11 is arranged on the liquid discharge pipe 10, a detection port 2.1 is arranged at the top of the circulating water tank 2, a liquid level meter 12 is arranged on the side wall of the circulating water tank 2, and the liquid level in the circulating water tank 2 can be observed at any time through the liquid level meter 12; the spray water adsorbed on the Raschig ring 3.2 is combined with the hydrogen chloride gas to form hydrochloric acid, and simultaneously, under the action of downward continuous spraying of the spray water, the hydrochloric acid on the Raschig ring 3.2 is washed to the bottom of the absorption tower body 1 through the pore plate 3.1 and then flows into the circulating water tank 2 through the liquid outlet pipe 9, and the liquid at the bottom of the absorption tower body 1 can preliminarily absorb the hydrogen chloride gas introduced from the gas inlet pipe 5, so that the hydrogen chloride absorption efficiency can be improved; in the circulating operation process of the water in the circulating water tank 2, the absorbed hydrochloric acid amount is gradually increased, in the operation process, sampling is carried out through a detection port 2.1 for detection, and when the detected hydrochloric acid concentration meets the requirement, a switch valve 11 is opened, and the liquid in the circulating water tank 2 is discharged from a liquid discharge pipe 10 for recycling; because raschig ring 3.2 can adsorb moisture, can realize the absorption to the hydrogen chloride gas through the moisture on the raschig ring 3.2 in the absorption tower body 1, so the utility model discloses a delivery pump 8 does not need to start continuously, only needs to open at intervals, washes away the hydrochloric acid that forms on raschig ring 3.2 through shower water, remains new moisture on raschig ring 3.2 simultaneously, is convenient for absorb subsequent hydrogen chloride gas, therefore, the utility model discloses do not need delivery pump 8 long-term operation, can realize the absorption to the hydrogen chloride gas, save the electric energy, and be favorable to reducing the maintenance cost; the utility model can completely absorb the hydrogen chloride gas volatilized in the hydrochloric acid storage tank 6, has no tail gas emission, avoids environmental pollution, has less input equipment, low energy consumption, no need of consuming a large amount of alkali liquor, simple operation and low input cost; after the volatilized hydrogen chloride gas is absorbed by water to form hydrochloric acid, the hydrochloric acid can be recycled, and resource waste is effectively avoided.
A gas-water separation plate 13 is horizontally fixed in the absorption tower body 1 above the spraying layer 4, the outer edge of the gas-water separation plate 13 is fixedly connected with the inner wall of the absorption tower body 1 in an attaching manner, and the top end of the absorption tower body 1 is provided with an exhaust port 1.1; the gas-water separation plate 13 is used for separating liquid water and water mist gas in the absorption tower body 1, so that liquid water drops flow to the bottom of the absorption tower body 1, and the water mist gas is discharged from the gas outlet 1.1, thereby being beneficial to reducing the pressure in the absorption tower body 1 and facilitating the hydrogen chloride gas volatilized in the hydrochloric acid storage tank 6 to enter the absorption tower body 1 more smoothly; the draught fan 14 is arranged on the air inlet pipe 5, the draught fan 14 used in the embodiment is an anti-corrosion fan, and in the normal production process, when the hydrogen chloride is absorbed, the draught fan 14 is not required to extract, the absorption tower body 1 absorbs the entering hydrogen chloride, and water gas in the absorption tower body 1 is discharged from the air outlet 1.1, so that the hydrogen chloride enters the absorption tower body 1 only by the self pressure of hydrogen chloride gas in the hydrochloric acid storage tank 6 to absorb the hydrogen chloride, therefore, in the production process, the utility model discloses the absorption of the hydrogen chloride can be realized through one absorption tower body 1 without the extraction of the external force action of the draught fan 14, the electric energy is saved, and the maintenance cost is reduced; the utility model discloses only when pouring hydrochloric acid into hydrochloric acid reservoir 6, handle in extracting absorption tower body 1 through the quick gaseous hydrogen chloride that will volatilize of draught fan 14, or when needs maintain hydrochloric acid reservoir 6, extract the back with hydrochloric acid in the hydrochloric acid reservoir 6, the rethread the utility model discloses remaining hydrogen chloride gas in the absorption hydrochloric acid reservoir 6 is handled in extracting absorption tower body 1 through draught fan 14 to remaining hydrogen chloride gas more quick thorough taking out, avoids causing the injury to maintainer's health.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A hydrogen chloride absorption system is characterized by comprising an absorption tower body and a circulating water tank; an adsorption layer and a spraying layer are sequentially arranged in the absorption tower body from bottom to top, and an exhaust port is formed in the top end of the absorption tower body; the absorption tower body of adsorbed layer below passes through intake pipe and hydrochloric acid reservoir intercommunication, spray the layer pass through the feed liquor pipe with circulation tank's liquid outlet intercommunication the feed liquor pipe facial make-up is equipped with the delivery pump, circulation tank's inlet pass through the drain pipe with the bottom intercommunication of absorption tower body.
2. The hydrogen chloride absorption system of claim 1, wherein the adsorption layer comprises a perforated plate horizontally fixed in the tower body of the absorption tower and Raschig rings filled on the perforated plate; the outer edge of the pore plate is fixedly connected with the inner wall of the absorption tower body in an attaching mode.
3. The hydrogen chloride absorption system of claim 2, wherein the raschig ring comprises a cylindrical raschig ring body with openings at two ends, an adsorption plate is fixed in the raschig ring body, and a plurality of adsorption side edges are fixed on the outer wall of the raschig ring body along the circumferential direction.
4. The hydrogen chloride absorption system of claim 1, wherein the spraying layer comprises a spraying pipe fixed in the absorption tower body, a liquid inlet of the spraying pipe is communicated with the liquid inlet pipe, and an atomizing nozzle communicated with the spraying pipe is arranged at the bottom of the spraying pipe.
5. The hydrogen chloride absorption system according to claim 1, wherein a drain pipe is connected to the bottom of the circulation water tank, and an on-off valve is installed on the drain pipe.
6. The hydrogen chloride absorption system according to claim 5, wherein a detection port is provided at the top of the circulation tank.
7. The hydrogen chloride absorption system according to claim 5, wherein a liquid level meter is provided on a side wall of the circulation tank.
8. The hydrogen chloride absorption system according to any one of claims 1 to 7, wherein a gas-water separation plate is horizontally fixed in the absorption tower body above the spray layer, and the outer edge of the gas-water separation plate is fixedly attached to the inner wall of the absorption tower body.
9. The hydrogen chloride absorption system according to claim 8, wherein an induced draft fan is installed on the intake pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020504255.2U CN212068279U (en) | 2020-04-08 | 2020-04-08 | Hydrogen chloride absorption system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020504255.2U CN212068279U (en) | 2020-04-08 | 2020-04-08 | Hydrogen chloride absorption system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212068279U true CN212068279U (en) | 2020-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020504255.2U Expired - Fee Related CN212068279U (en) | 2020-04-08 | 2020-04-08 | Hydrogen chloride absorption system |
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| CN (1) | CN212068279U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116870668A (en) * | 2023-07-31 | 2023-10-13 | 云浮市未来环保科技有限公司 | Hydrochloric acid fog waste gas absorbs processing apparatus |
-
2020
- 2020-04-08 CN CN202020504255.2U patent/CN212068279U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116870668A (en) * | 2023-07-31 | 2023-10-13 | 云浮市未来环保科技有限公司 | Hydrochloric acid fog waste gas absorbs processing apparatus |
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| 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: 20201204 |