CN217340746U - Concentrated hydrochloric acid tail gas absorbing device that unloads - Google Patents
Concentrated hydrochloric acid tail gas absorbing device that unloads Download PDFInfo
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- CN217340746U CN217340746U CN202220452657.1U CN202220452657U CN217340746U CN 217340746 U CN217340746 U CN 217340746U CN 202220452657 U CN202220452657 U CN 202220452657U CN 217340746 U CN217340746 U CN 217340746U
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- hydrochloric acid
- absorption tower
- pipe
- absorption
- concentrated hydrochloric
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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
Abstract
The utility model provides a concentrated hydrochloric acid unloading tail gas absorption device, which comprises an acid gas absorption pipe connected with the top of a hydrochloric acid storage tank, a filler absorption tower connected with the tail end of the acid gas absorption pipe, a vacuum pump connected with the top of the filler absorption tower, and centrifugal pumps connected with the bottom and the upper part of the filler absorption tower; the filler absorption tower comprises an absorption tower body, a water pool, a gas inlet, a liquid outlet pipe, a liquid inlet pipe, a spraying device, a hydrochloric acid outlet and a gas outlet, wherein the gas inlet is connected with the tail end of the acid gas absorption pipe, the tail end of the liquid outlet pipe and the starting end of the liquid inlet pipe are both connected with a centrifugal pump, and the gas outlet is connected with an inlet of a vacuum pump; the vacuum pump is a water injection vacuum unit. The utility model relates to a solve concentrated hydrochloric acid and to the problem that storage tank in-process sour gas discharged at will, use water injection vacuum unit to replace the draught fan to realize the transport of sour gas, the entire system during operation is little negative pressure, has stopped to run and has emitted the drip leakage.
Description
Technical Field
The utility model relates to an inorganic chemistry technical field, concretely relates to concentrated hydrochloric acid tail gas absorbing device that unloads.
Background
Concentrated hydrochloric acid is a basic chemical raw material, the demand is large, the concentrated hydrochloric acid is generally transported by a tank truck, and when acid is discharged into a storage tank, a large amount of acid mist is emitted from the top of the storage tank, so that people around the storage tank burn and environmental pollution are caused.
In the prior art, the acid gas is introduced into the absorption tower by the induced draft fan, and the induced draft fan has serious leakage phenomenon in the use process, thereby affecting the absorption effect.
Disclosure of Invention
The utility model relates to a solve the problem that concentrated hydrochloric acid discharged at will to storage tank in-process sour gas of unloading, provide a concentrated hydrochloric acid tail gas absorbing device that unloads, used water injection vacuum unit to replace the draught fan to realize the transport of sour gas, stopped the leakage of running out.
The utility model provides a concentrated hydrochloric acid unloading tail gas absorption device, which comprises an acid gas absorption pipe connected with the top of a hydrochloric acid storage tank, a filler absorption tower connected with the tail end of the acid gas absorption pipe, a vacuum pump connected with the top of the filler absorption tower, and centrifugal pumps connected with the bottom and the upper part of the filler absorption tower;
the packing absorption tower comprises an absorption tower body, a water pool connected with the bottom of the absorption tower body, an air inlet connected with one side of the bottom of the absorption tower body, a liquid outlet pipe connected with one side of the water pool, a liquid inlet pipe connected with the upper part of the absorption tower body, a spraying device connected with the tail end of the liquid inlet pipe and arranged at the top in the absorption tower body, a hydrochloric acid outlet arranged at one side of the bottom of the water pool opposite to the liquid outlet pipe and an air outlet arranged at the upper end of the top of the absorption tower body, wherein the air inlet is connected with the tail end of the acid gas absorption pipe, the tail end of the liquid outlet pipe and the starting end of the liquid inlet pipe are both connected with a centrifugal pump, and the air outlet is connected with an inlet of a vacuum pump;
the vacuum pump is a water injection vacuum unit.
The concentrated hydrochloric acid unloading tail gas absorption device is preferably provided with a water replenishing port in a water tank.
As a preferred mode, the water tank is used for containing the absorbent.
According to the concentrated hydrochloric acid unloading tail gas absorption device, as a preferable mode, the absorbent is water.
The concentrated hydrochloric acid unloading tail gas absorption device is preferably used, and the vacuum pump is used for enabling the concentrated hydrochloric acid unloading tail gas absorption device to be in micro negative pressure.
When the hydrochloric acid tank truck unloads the hydrochloric acid storage tank, the acid gas on the top of the hydrochloric acid storage tank enters the lower part of the packing absorption tower through the acid gas absorption pipe, and the purified gas is led out from the top of the absorption tower to the vacuum pump. The whole system works under micro negative pressure.
The packing absorption tower takes fresh water as an absorbent, and the centrifugal pump sends liquid at the bottom of the tower to the top of the absorption tower for spraying absorption. When the concentration of the liquid hydrochloric acid at the bottom of the tower reaches a certain amount, dilute hydrochloric acid is led out, and a proper amount of fresh water is supplemented at the same time.
The utility model has the advantages of it is following:
the water injection vacuum unit is used for replacing a draught fan to realize the conveying of the acid gas, the leakage and leakage are avoided, and the system is also suitable for the absorption of other gases with pungent odor, such as hydrochloric acid gas, ammonia gas and the like.
Drawings
FIG. 1 is a schematic structural diagram of a concentrated hydrochloric acid unloading tail gas absorption device.
Reference numerals are as follows:
1. an acid gas absorption tube; 2. a packed absorption column; 21. an absorption tower body; 22. a pool; 23. an air inlet; 24. a liquid outlet pipe; 25. a liquid inlet pipe; 26. a spraying device; 27. a hydrochloric acid outlet; 28. an air outlet; 3. a vacuum pump; 4. a centrifugal pump.
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.
Example 1
As shown in fig. 1, a concentrated hydrochloric acid unloading tail gas absorption device comprises an acid gas absorption pipe 1 connected with the top of a hydrochloric acid storage tank, a packing absorption tower 2 connected with the tail end of the acid gas absorption pipe 1, a vacuum pump 3 connected with the top of the packing absorption tower 2, and centrifugal pumps 4 connected with the bottom and the upper part of the packing absorption tower 2;
the packing absorption tower 2 comprises an absorption tower body 21, a water tank 22 connected with the bottom of the absorption tower body 21, an air inlet 23 connected with one side of the bottom of the absorption tower body 21, a liquid outlet pipe 24 connected with one side of the water tank 22, a liquid inlet pipe 25 connected with the upper part of the absorption tower body 21, a spraying device 26 connected with the tail end of the liquid inlet pipe 25 and arranged at the top in the absorption tower body 21, a hydrochloric acid outlet 27 arranged at one side of the bottom of the water tank 22 opposite to the liquid outlet pipe 24 and an air outlet 28 arranged at the upper end of the top of the absorption tower body 21, wherein the air inlet 23 is connected with the tail end of the acid gas absorption pipe 1, the tail end of the liquid outlet pipe 24 and the starting end of the liquid inlet pipe 25 are both connected with the centrifugal pump 4, and the air outlet 28 is connected with the inlet of the vacuum pump 3;
the water pool 22 is provided with a water replenishing port; a tank 22 for holding an absorbent; the absorbent is water;
the vacuum pump 3 is a water jet vacuum unit, and the vacuum pump 3 is used for enabling the concentrated hydrochloric acid discharge tail gas absorption device to be in a micro-negative pressure state.
The method of use of example 1 was: when the hydrochloric acid tank truck unloads the hydrochloric acid storage tank, acid gas on the top of the hydrochloric acid storage tank enters the lower part of the filler absorption tower 2 through the acid gas absorption pipe 1, and purified gas is led out from the top of the filler absorption tower 2 to the vacuum pump 3. The whole system works under micro negative pressure.
The packed absorption tower 2 takes fresh water as an absorbent, and the centrifugal pump 4 pumps the liquid at the bottom of the packed absorption tower 2 to the top of the absorption tower for spraying absorption. When the concentration of the liquid hydrochloric acid at the bottom of the tower reaches a certain amount, dilute hydrochloric acid is led out, and a proper amount of fresh water is supplemented at the same time.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a concentrated hydrochloric acid tail gas absorbing device that unloads which characterized in that: the device comprises an acid gas absorption pipe (1) connected with the top of a hydrochloric acid storage tank, a packing absorption tower (2) connected with the tail end of the acid gas absorption pipe (1), a vacuum pump (3) connected with the top of the packing absorption tower (2), and centrifugal pumps (4) connected with the bottom and the upper part of the packing absorption tower (2);
the filler absorption tower (2) comprises an absorption tower body (21), a water pool (22) connected with the bottom of the absorption tower body (21), an air inlet (23) connected with one side of the bottom of the absorption tower body (21), a liquid outlet pipe (24) connected with one side of the water pool (22), a liquid inlet pipe (25) connected with the upper part of the absorption tower body (21), a spraying device (26) which is connected with the end of the liquid inlet pipe (25) and is arranged at the top in the absorption tower body (21), a hydrochloric acid outlet (27) arranged at the bottom of the water pool (22) and is opposite to one side of the liquid outlet pipe (24), and a gas outlet (28) arranged at the upper end of the top of the absorption tower body (21), wherein the air inlet (23) is connected with the end of the acid gas absorption pipe (1), the end of the liquid outlet pipe (24) and the starting end of the liquid inlet pipe (25) are both connected with the centrifugal pump (4), the air outlet (28) is connected with an inlet of the vacuum pump (3);
the vacuum pump (3) is a water injection vacuum unit.
2. The concentrated hydrochloric acid unloading tail gas absorption device according to claim 1, characterized in that: the water pool (22) is provided with a water replenishing port.
3. The concentrated hydrochloric acid unloading tail gas absorption device according to claim 1, characterized in that: the water tank (22) is used for containing absorbent.
4. The concentrated hydrochloric acid unloading tail gas absorption device according to claim 3, characterized in that: the absorbent is water.
5. The concentrated hydrochloric acid unloading tail gas absorption device according to claim 1, characterized in that: the vacuum pump (3) is used for enabling the concentrated hydrochloric acid discharge tail gas absorption device to be micro-negative pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220452657.1U CN217340746U (en) | 2022-03-02 | 2022-03-02 | Concentrated hydrochloric acid tail gas absorbing device that unloads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220452657.1U CN217340746U (en) | 2022-03-02 | 2022-03-02 | Concentrated hydrochloric acid tail gas absorbing device that unloads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217340746U true CN217340746U (en) | 2022-09-02 |
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ID=83051746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220452657.1U Active CN217340746U (en) | 2022-03-02 | 2022-03-02 | Concentrated hydrochloric acid tail gas absorbing device that unloads |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217340746U (en) |
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2022
- 2022-03-02 CN CN202220452657.1U patent/CN217340746U/en active Active
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