CN217025394U - Hydrochloric acid feeding device for glass production wastewater treatment - Google Patents
Hydrochloric acid feeding device for glass production wastewater treatment Download PDFInfo
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- CN217025394U CN217025394U CN202221012719.3U CN202221012719U CN217025394U CN 217025394 U CN217025394 U CN 217025394U CN 202221012719 U CN202221012719 U CN 202221012719U CN 217025394 U CN217025394 U CN 217025394U
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Abstract
The utility model belongs to the field of glass production wastewater treatment equipment, and particularly relates to a hydrochloric acid feeding device for glass production wastewater treatment, which comprises a feeding tank, wherein a hydrochloric acid supply pipeline and a hydrochloric acid conveying pipeline are connected to the feeding tank, the hydrochloric acid feeding device also comprises an acid mist absorption tank, an air outlet and a liquid outlet are arranged on the acid mist absorption tank, an air supply port, an air outlet and a liquid return port are arranged on the feeding tank, a one-way vent valve is arranged on the air supply port, an air pipe is connected to the air outlet, the air pipe is inserted into the inner bottom of the acid mist absorption tank, a liquid return pipe is connected between the liquid return port and the liquid outlet, and a liquid return valve is arranged on the liquid return pipe. The hydrochloric acid feeding device for glass production wastewater treatment can recycle hydrochloric acid mist, not only reduces raw material waste, but also does not use chemicals, is safe and reliable, does not generate hazardous wastes, is more environment-friendly, and reduces the operation cost.
Description
Technical Field
The utility model relates to a hydrochloric acid feeding device for treating glass production wastewater, and belongs to the field of glass production wastewater treatment equipment.
Background
The production process of the carrier plate glass is accompanied with the generation of some production wastewater, at present, the treatment of the glass production wastewater is usually carried out by adding a hydrochloric acid reagent, but due to the volatility of the hydrochloric acid reagent, hydrogen chloride gas can be separated out in the use process of the carrier plate glass, the hydrogen chloride gas has strong corrosivity, has strong stimulation effect on eye and respiratory mucosa, and has great harm to the health of human bodies and the maintenance of equipment. Therefore, a special acid mist absorption device is arranged on a hydrochloric acid feeding device by some manufacturers, and the currently adopted hydrochloric acid mist absorption device can be generally divided into two types of alkaline solid and alkaline liquid according to different reaction fillers. When the hydrochloric acid mist absorption devices of the two types are normally used, the fillers or the reagents need to be replaced regularly, the operation process involves chemicals, certain risks exist, corresponding solid or liquid dangerous wastes are generated by replacing the fillers or the reagents and need to be treated, and the operation cost is increased for the treatment of the dangerous wastes; meanwhile, hydrochloric acid mist is absorbed, which also causes a certain amount of raw material waste.
SUMMERY OF THE UTILITY MODEL
According to the defects in the prior art, the technical problems to be solved by the utility model are as follows: provides a hydrochloric acid feeding device for treating glass production wastewater, which can recycle hydrochloric acid mist, is safe and reliable and does not generate hazardous wastes.
The utility model relates to a hydrochloric acid feeding device for treating glass production wastewater, which comprises a feeding tank, wherein a hydrochloric acid supply pipeline and a hydrochloric acid conveying pipeline are connected to the feeding tank, the hydrochloric acid feeding device also comprises an acid mist absorption tank, an air exhaust port and a liquid discharge port are arranged on the acid mist absorption tank, an air supply port, an air outlet and a liquid return port are arranged on the feeding tank, a one-way vent valve is arranged on the air supply port, a vent pipe is connected to the air outlet, the vent pipe is inserted into the bottom of the inner side of the acid mist absorption tank, a liquid return pipe is connected between the liquid return port and the liquid discharge port, and a liquid return valve is arranged on the liquid return pipe.
The working principle and the process are as follows:
when the hydrochloric acid feeding device is used, hydrochloric acid is fed into the feeding tank through the hydrochloric acid feeding pipeline, the hydrochloric acid in the feeding tank is conveyed to a use point through the hydrochloric acid conveying pipeline, and due to the fact that the feeding tank is in a sealed state, when the amount of the hydrochloric acid in the feeding tank is reduced, the air pressure in the feeding tank is reduced, and outside air can penetrate through the one-way vent valve and the air feeding port to enter the feeding tank, so that the influence of negative pressure formed in the feeding tank on conveying of the hydrochloric acid is prevented; when the hydrochloric acid amount in the charging tank is increased due to the supply, the internal air pressure is increased, and the gas can not be discharged from the gas supply port due to the arrangement of the one-way vent valve, therefore, the volatilized hydrogen chloride gas enters the acid mist absorption tank through the air outlet and the vent pipe along with the air in sequence, because the acid mist absorption tank is filled with water and the hydrogen chloride gas is very soluble in water, the volatilized hydrogen chloride gas is dissolved in water, the acid mist is recycled, and the residual air is discharged from the exhaust port and is continuously dissolved in the water along with the hydrogen chloride gas, because the volume of the water is not changed, the pH value of the dissolving solution is gradually reduced, when the pH value is reduced to a certain value, opening the liquid return valve, allowing the acid solution formed in the acid mist absorption tank to enter the feeding tank through the liquid outlet, the liquid return pipe and the liquid return port for reuse, closing the liquid valve when the liquid level in the acid mist absorption tank is reduced to a certain degree, then a certain amount of water is added into the acid mist absorption tank again, and the recycling of the acid mist can be continued.
Foretell acid mist absorption tank is fixed in the top of adding the material jar, and structural layout is more reasonable.
The acid meter is connected in the acid mist absorption tank, so that the pH value of the solution in the acid mist absorption tank can be observed conveniently at any time, the pH value does not need to be detected manually for many times, and the liquid return valve is opened in time to recycle the acid solution.
The acid mist absorption tank is connected with a tap water pipeline, a water inlet valve is arranged on the tap water pipeline, water can be injected into the acid mist absorption tank by opening the water inlet valve, and the acid mist absorption tank is simple to operate and convenient to use.
The hydrochloric acid feeding device further comprises a controller, a liquid level meter is connected in the acid mist absorption tank, the water inlet valve is an electromagnetic valve, the water inlet valve and the liquid level meter are both electrically connected with the controller, the liquid level meter can monitor the liquid level height in the acid mist absorption tank, when the liquid level is lower than the lower limit of the liquid level meter, the liquid level meter transmits a signal to the controller, the controller controls the water inlet valve to be opened to inject water, when the liquid level in the acid mist absorption tank is higher than the upper limit of the liquid level meter, the liquid level meter transmits the signal to the controller, and the controller controls the water inlet valve to be automatically closed, so that the purpose of automatically injecting water is achieved.
The liquid return valve is an electromagnetic valve, the liquid return valve and the acidimeter are electrically connected with the controller, the acidimeter can monitor the pH value in the acid mist absorption tank, when the solution reaches the pH value set by the acidimeter, the acidimeter transmits a signal to the controller, the controller controls the liquid return valve to be opened, the acid solution is recycled, when the liquid level in the acid mist absorption tank is as low as the lower limit of the liquid level meter, the liquid level meter transmits the signal to the controller, the controller controls the liquid return valve to be closed, meanwhile, the water inlet valve is opened, and the purpose of automatically recycling and recycling acid mist is achieved.
Compared with the prior art, the utility model has the following beneficial effects:
the hydrochloric acid feeding device for glass production wastewater treatment can recycle hydrochloric acid mist, not only reduces raw material waste, but also does not use chemicals, is safe and reliable, does not generate hazardous wastes, is more environment-friendly, and reduces the operation cost.
Drawings
FIG. 1 is a schematic diagram of the present invention.
In the figure: 1. a charging tank; 2. a hydrochloric acid delivery pipe; 3. a hydrochloric acid supply line; 4. an air supplement port; 5. a one-way vent valve; 6. An air outlet; 7. a liquid return port; 8. a liquid return pipe; 9. a liquid return valve; 10. a liquid discharge port; 11. an acidimeter; 12. an acid mist absorption tank; 13. a tap water pipeline; 14. a water inlet valve; 15. an exhaust port; 16. a breather pipe; 17. a liquid level meter.
Detailed Description
Embodiments of the utility model are further described below with reference to the accompanying drawings:
example 1:
as shown in fig. 1, the hydrochloric acid feeding device for treating glass production wastewater according to the present invention comprises a feeding tank 1, wherein the feeding tank 1 is connected with a hydrochloric acid supply pipeline 3 and a hydrochloric acid conveying pipeline 2, and further comprises an acid mist absorption tank 12, the acid mist absorption tank 12 is provided with an exhaust port 15 and a liquid discharge port 10, the feeding tank 1 is provided with a gas supply port 4, a gas outlet 6 and a liquid return port 7, the gas supply port 4 is provided with a one-way vent valve 5, the gas outlet 6 is connected with a vent pipe 16, the vent pipe 16 is inserted into the inner bottom of the acid mist absorption tank 12, a liquid return pipe 8 is connected between the liquid return port 7 and the liquid discharge port 10, and the liquid return pipe 8 is provided with a liquid return valve 9.
When the hydrochloric acid replenishing device is used, hydrochloric acid is replenished into the feeding tank 1 through the hydrochloric acid replenishing pipeline 3, the hydrochloric acid in the feeding tank 1 is conveyed to a use point through the hydrochloric acid conveying pipeline 2, and as the feeding tank 1 is in a sealed state, when the amount of the hydrochloric acid in the feeding tank 1 is reduced, the internal air pressure is reduced, and external air can pass through the one-way vent valve 5 and the air replenishing port 4 to enter the feeding tank 1, so that negative pressure formed in the feeding tank 1 is prevented from influencing the conveying of the hydrochloric acid; when the hydrochloric acid amount in the feed tank 1 increases due to replenishment, the internal air pressure increases, and due to the arrangement of the one-way vent valve 5, the gas cannot be discharged from the gas make-up port 4, so that the volatilized hydrogen chloride gas enters the acid mist absorption tank 12 through the gas outlet 6 and the vent pipe 16 in sequence along with the air, and because the acid mist absorption tank 12 is filled with water and the hydrogen chloride gas is very soluble in water, the volatilized hydrogen chloride gas is dissolved in water, the acid mist is recovered, while the residual air is discharged from the gas outlet 15, and along with the continuous dissolution of the hydrogen chloride gas in the water, because the volume of the water is unchanged, the pH value of the solution can be gradually reduced, when the pH value is reduced to a certain value, the liquid return valve 9 is opened, the acid solution formed in the acid mist absorption tank 12 can enter the feed tank 1 through the liquid discharge port 10, the liquid return pipe 8 and the liquid return port 7 for reuse, and when the liquid level in the acid mist absorption tank 12 is reduced to a certain degree, the liquid valve 9 is closed, and then a certain amount of water is added into the acid mist absorption tank 12 again, so that the recycling of the acid mist can be continued.
The hydrochloric acid feeding device for glass production wastewater treatment can recycle hydrochloric acid mist, not only reduces raw material waste, but also does not use chemicals, is safe and reliable, does not generate hazardous wastes, is more environment-friendly, and reduces the operation cost.
Example 2:
as shown in fig. 1, the hydrochloric acid feeding device for treating glass production wastewater according to the present invention comprises a feeding tank 1, wherein the feeding tank 1 is connected with a hydrochloric acid supply pipeline 3 and a hydrochloric acid conveying pipeline 2, and further comprises an acid mist absorption tank 12, the acid mist absorption tank 12 is provided with an exhaust port 15 and a liquid discharge port 10, the feeding tank 1 is provided with a gas supply port 4, a gas outlet 6 and a liquid return port 7, the gas supply port 4 is provided with a one-way vent valve 5, the gas outlet 6 is connected with a vent pipe 16, the vent pipe 16 is inserted into the inner bottom of the acid mist absorption tank 12, a liquid return pipe 8 is connected between the liquid return port 7 and the liquid discharge port 10, and the liquid return pipe 8 is provided with a liquid return valve 9.
In this embodiment: the acid mist absorption tank 12 is fixed above the feeding tank 1, so that the structural layout is more reasonable; the acidity meter 11 is connected in the acid mist absorption tank 12, so that the pH value of the solution in the acid mist absorption tank 12 can be observed conveniently at any time, the pH value does not need to be detected manually for many times, and the liquid return valve 9 is opened in time to recycle the acid solution; the acid mist absorption tank 12 is connected with a tap water pipeline 13, the tap water pipeline 13 is provided with a water inlet valve 14, water can be injected into the acid mist absorption tank 12 by opening the water inlet valve 14, and the acid mist absorption tank is simple to operate and convenient to use; the hydrochloric acid feeding device further comprises a controller, wherein a liquid level meter 17 is connected in the acid mist absorption tank 12, the water inlet valve 14 is an electromagnetic valve, the water inlet valve 14 and the liquid level meter 17 are both electrically connected with the controller, the liquid level meter 17 can monitor the liquid level height in the acid mist absorption tank 12, when the liquid level is lower than the lower limit of the liquid level meter 17, the liquid level meter 17 transmits a signal to the controller, the controller controls the water inlet valve 14 to be opened for water injection, when the liquid level in the acid mist absorption tank 12 is higher than the upper limit of the liquid level meter 17, the liquid level meter 17 transmits the signal to the controller, and the controller controls the water inlet valve 14 to be automatically closed, so that the purpose of automatic water injection is achieved; the liquid return valve 9 is an electromagnetic valve, the liquid return valve 9 and the acidity meter 11 are both electrically connected with the controller, the acidity meter 11 can monitor the pH value in the acid mist absorption tank 12, when the solution reaches the pH value set by the acidity meter 11, the acidity meter 11 transmits a signal to the controller, the controller controls the liquid return valve 9 to be opened and the acid solution to be recycled, when the liquid level in the acid mist absorption tank 12 is lower than the lower limit of the liquid level meter 17, the liquid level meter 17 transmits the signal to the controller, the controller controls the liquid return valve 9 to be closed, and meanwhile, the water inlet valve 14 is opened, so that the purpose of automatically recycling the acid mist is achieved.
When the hydrochloric acid replenishing device is used, hydrochloric acid is replenished into the feeding tank 1 through the hydrochloric acid replenishing pipeline 3, the hydrochloric acid in the feeding tank 1 is conveyed to a use point through the hydrochloric acid conveying pipeline 2, and as the feeding tank 1 is in a sealed state, when the amount of the hydrochloric acid in the feeding tank 1 is reduced, the internal air pressure is reduced, and external air can pass through the one-way vent valve 5 and the air replenishing port 4 to enter the feeding tank 1, so that negative pressure formed in the feeding tank 1 is prevented from influencing the conveying of the hydrochloric acid; when the amount of hydrochloric acid in the feed tank 1 increases due to replenishment, the internal gas pressure increases, and due to the arrangement of the one-way vent valve 5, gas is not discharged from the gas replenishment port 4, so that volatilized hydrogen chloride gas enters the acid mist absorption tank 12 through the gas outlet 6 and the vent pipe 16 in sequence along with air, and because water is contained in the acid mist absorption tank 12 and the hydrogen chloride gas is very soluble in water, the volatilized hydrogen chloride gas is dissolved in water, recovery of acid mist is completed, and the residual air is discharged from the gas outlet 15, and along with continuous dissolution of the hydrogen chloride gas in water, as the volume of the water is unchanged, the pH value of the dissolved liquid is gradually reduced, when the pH value is detected to be reduced to a certain value by the acidimeter 11, the acidimeter 11 transmits a signal to the controller, the controller controls the liquid return valve 9 to be opened, acid liquid formed in the acid mist absorption tank 12 can enter the feed tank 1 through the liquid discharge port 10, the liquid return pipe 8 and the liquid return port 7 for reuse, when the liquid level meter 17 detects that the liquid level in the acid mist absorption tank 12 is reduced to a set lower limit, the liquid level meter 17 transmits a signal to the controller, the controller controls the liquid return valve 9 to be closed, meanwhile, the water inlet valve 14 is opened, then water in the tap water pipeline 13 can be injected into the acid mist absorption tank 12, and when the liquid level meter 17 detects that the liquid level in the acid mist absorption tank 12 is high to a set upper limit, the controller can control the water inlet valve 14 to be automatically closed, so that the next recycling of the acid mist is carried out.
The hydrochloric acid feeding device for treating the glass production wastewater can recycle hydrochloric acid mist, not only reduces raw material waste, but also does not use chemicals, is safe and reliable, does not generate hazardous wastes, is more environment-friendly, and reduces the operation cost.
Claims (6)
1. The utility model provides a glass production is hydrochloric acid feeding device for waste water treatment, is connected with hydrochloric acid supply line (3) and hydrochloric acid pipeline (2) on adding feed tank (1) including adding feed tank (1), its characterized in that: still include acid mist tourie (12), be equipped with gas vent (15) and leakage fluid dram (10) on acid mist tourie (12), be equipped with tonifying qi mouth (4), gas outlet (6) and liquid return port (7) on the charging tank (1), be equipped with one-way breather valve (5) on tonifying qi mouth (4), be connected with breather pipe (16) on gas outlet (6), breather pipe (16) insert the inboard bottom of acid mist tourie (12), be connected with back liquid pipe (8) between liquid return port (7) and leakage fluid dram (10), be equipped with back liquid valve (9) on back liquid pipe (8).
2. The hydrochloric acid charging device for glass production wastewater treatment according to claim 1, characterized in that: the acid mist absorption tank (12) is fixed above the feeding tank (1).
3. The hydrochloric acid charging device for glass production wastewater treatment according to claim 1 or 2, characterized in that: the acid mist absorption tank (12) is internally connected with an acidimeter (11).
4. The hydrochloric acid charging device for glass production wastewater treatment according to claim 3, characterized in that: the acid mist absorption tank (12) is connected with a tap water pipeline (13), and a water inlet valve (14) is arranged on the tap water pipeline (13).
5. The hydrochloric acid charging device for glass production wastewater treatment according to claim 4, characterized in that: the acid mist absorption tank is characterized by further comprising a controller, a liquid level meter (17) is connected in the acid mist absorption tank (12), the water inlet valve (14) is an electromagnetic valve, and the water inlet valve (14) and the liquid level meter (17) are both electrically connected with the controller.
6. The hydrochloric acid charging device for glass production wastewater treatment according to claim 5, characterized in that: the liquid return valve (9) is an electromagnetic valve, and both the liquid return valve (9) and the acidimeter (11) are electrically connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221012719.3U CN217025394U (en) | 2022-04-28 | 2022-04-28 | Hydrochloric acid feeding device for glass production wastewater treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221012719.3U CN217025394U (en) | 2022-04-28 | 2022-04-28 | Hydrochloric acid feeding device for glass production wastewater treatment |
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| Publication Number | Publication Date |
|---|---|
| CN217025394U true CN217025394U (en) | 2022-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221012719.3U Active CN217025394U (en) | 2022-04-28 | 2022-04-28 | Hydrochloric acid feeding device for glass production wastewater treatment |
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| Country | Link |
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| CN (1) | CN217025394U (en) |
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2022
- 2022-04-28 CN CN202221012719.3U patent/CN217025394U/en active Active
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