CN108636064A - One kind is to containing HCl and MgCl2The method and system that is handled of exhaust gas - Google Patents
One kind is to containing HCl and MgCl2The method and system that is handled of exhaust gas Download PDFInfo
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- CN108636064A CN108636064A CN201810558485.4A CN201810558485A CN108636064A CN 108636064 A CN108636064 A CN 108636064A CN 201810558485 A CN201810558485 A CN 201810558485A CN 108636064 A CN108636064 A CN 108636064A
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- exhaust gas
- scrubbing tower
- washing solution
- hcl
- mgcl
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1456—Removing acid components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1412—Controlling the absorption process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/20—Halogens or halogen compounds
- B01D2257/204—Inorganic halogen compounds
- B01D2257/2045—Hydrochloric acid
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The present invention provides one kind to containing HCl and MgCl2The method and system that is handled of exhaust gas, this method includes that the exhaust gas is passed through scrubbing tower, and the washing solution by being accommodated in the scrubbing tower, to obtain primary treatment exhaust gas；In the scrubbing tower, the primary treatment exhaust gas is made to pass through spray liquid, to obtain secondary treatment exhaust gas；The drop in the secondary treatment exhaust gas is removed, to obtain ultimate processing exhaust gas, and the whole grade processing exhaust gas is discharged into air.The present invention is safe and reliable, efficient, at low cost, good to HCl recyclings effect, and washing solution can obtain Efficient Cycle recycling, reduce HCl and MgCl in exhaust gas2Content, prevent the exceeded pollution environment of exhaust gas, can substantially improve operating personnel's operating environment, improve working efficiency, improve the utilization rate of water resource, there is good business efficiency, environmental efficiency and social efficiency.
Description
Technical field
The present invention relates to technical field of waste gas treatment, method that especially a kind of exhaust gas to chloride is handled and
System.
Background technology
It will produce a large amount of exhaust gas in industrial processes, industrial gas emission can cause air in the air serious dirt
Dye, it is therefore desirable to which industrial waste gas is handled.In terms of industrial waste gas processing, existing following several treatment technologies.First, liquid
Body absorption process：Namely exhaust gas is effectively dissolved into absorbent using the similar principle to mix with physical chemistry absorption process and works as
In, to realize the purification of exhaust gas.Second, absorption method：It using the activated carbon of porous form, is adsorbed with physical method, so
After reuse vapor and be desorbed.Third, heat damage method：Under the effect of the catalyst, with the mode of burning make organic matter into
Row conversion, is converted to inorganic matter.4th, biological treatment：Exhaust gas is decomposed by microorganism, this mode is by state
Approved on border.5th, condensation method：Carrying out cooling to harmful substance makes its condensation, then exhaust gas is separated progress reasonably
Processing.6th, lower temperature plasma technology：According to thermodynamical equilibrium principle, the processing of cryogenic high pressure is carried out to exhaust gas, is allowed harmful
Substance decomposes within the shortest time.
The country is to containing HCl and MgCl at present2The research that is handled of exhaust gas it is also seldom, but in bischofite as raw material
In the technical process for preparing anhydrous magnesium chloride, it will produce and largely contain HCl and MgCl2Exhaust gas, therefore to containing HCl and MgCl2It is useless
It is essential that gas handle.
Invention content
For this technical deficiency, the present invention provide it is a kind of easy to operate, of low cost and can effectively to contain HCl and
MgCl2The method that is handled of exhaust gas so that exhaust gas reaches discharge standard.
To achieve the above object, the present invention uses liquid absorption method, using the similar principle that mixes, containing HCl and MgCl2's
Exhaust gas is effectively dissolved into washing solution and spray liquid, to realize the purification of exhaust gas.
According to the first aspect of the invention, one kind is provided to containing HCl and MgCl2The method that is handled of exhaust gas, including：
The exhaust gas is passed through scrubbing tower, and the washing solution by being accommodated in the scrubbing tower, to obtain primary treatment exhaust gas；Institute
It states in scrubbing tower, the primary treatment exhaust gas is made to pass through spray liquid, to obtain secondary treatment exhaust gas.
An embodiment according to a first aspect of the present invention, wherein the HCl is gaseous state, the MgCl2For dust
Shape.
An embodiment according to a first aspect of the present invention, wherein lead to from the bottom of the scrubbing tower by the exhaust gas
Enter the scrubbing tower.
An embodiment according to a first aspect of the present invention, wherein will be described useless from the side of the scrubbing tower lower part
Gas is passed through the scrubbing tower.
An embodiment according to a first aspect of the present invention, the exhaust gas, which is passed through the scrubbing tower, includes：It will be described
Exhaust gas is passed through the cavity for including multiple ventholes, wherein the cavity comprising multiple ventholes is immersed in the washing solution, with
So that the exhaust gas is discharged from the multiple venthole, with by the washing solution accommodated in the scrubbing tower.
An embodiment according to a first aspect of the present invention, wherein the washing solution is desalted water.
An embodiment according to a first aspect of the present invention, further comprises：Water cycle is carried out to the washing solution
Processing.
An embodiment according to a first aspect of the present invention, wherein water circular treatment packet is carried out to the washing solution
It includes：The washing solution is extracted from the bottom of the scrubbing tower；And by the washing solution extracted from the scrubbing tower
It more than portion is passed into the scrubbing tower.
An embodiment according to a first aspect of the present invention, wherein the Liquid level of the washing solution is washed described
Wash the 60%-80% of tower height degree.
An embodiment according to a first aspect of the present invention, wherein the spray liquid is desalted water.
An embodiment according to a first aspect of the present invention, wherein sprayed from the scrubbing tower top by spray nozzle
The spray liquid.
An embodiment according to a first aspect of the present invention, further comprises：It removes in the secondary treatment exhaust gas
Drop, to obtain ultimate processing exhaust gas.
An embodiment according to a first aspect of the present invention, wherein the drop in the secondary treatment exhaust gas is by removing
Day with fog removes.
An embodiment according to a first aspect of the present invention, further comprises：The whole grade processing exhaust gas is discharged into greatly
In gas.
An embodiment according to a first aspect of the present invention, wherein being negative pressure by the pressure control in the scrubbing tower.
An embodiment according to a first aspect of the present invention, further comprises：By the washing solution from the washing
Tower bottom is discharged, and obtains scrubbing tower discharge liquor, and the scrubbing tower discharge liquor is recycled.
According to the second aspect of the invention, one kind is provided to containing HCl and MgCl2The system that is handled of exhaust gas, wherein
Including：Scrubbing tower accommodates washing solution in the scrubbing tower；Enter tracheae, it is described enter tracheae be connected to the scrubbing tower, be used for
The exhaust gas is received, so that the exhaust gas passes through the washing solution in the scrubbing tower, to obtain primary treatment exhaust gas；Spray
Mouth is drenched, the spray nozzle is used to spray spray liquid from the scrubbing tower top, and the primary treatment exhaust gas is made to pass through the spray
Liquid, to obtain secondary treatment exhaust gas.
An embodiment according to a second aspect of the present invention, wherein the HCl is gaseous state, the MgCl2For dust
Shape.
An embodiment according to a second aspect of the present invention, wherein it is described enter tracheae and the scrubbing tower bottom connect
It is logical, so that the exhaust gas is passed through the scrubbing tower from the bottom of the scrubbing tower.
An embodiment according to a second aspect of the present invention, wherein it is described enter tracheae and the scrubbing tower lower part side
Face is connected to, and the exhaust gas is made to be passed through the scrubbing tower from the side of the scrubbing tower lower part.
An embodiment according to a second aspect of the present invention further includes the cavity for including multiple ventholes, the packet
Cavity containing multiple ventholes is connected to tracheae is entered, and is immersed in the washing solution, so that the exhaust gas is from described more
A venthole discharge, with by the washing solution accommodated in the scrubbing tower.
An embodiment according to a second aspect of the present invention, further includes circulating pump, the circulating pump is configured to：From institute
Extract the washing solution in the bottom for stating scrubbing tower；And the washing solution extracted is led to more than the middle part of the scrubbing tower
Enter into the scrubbing tower, to carry out water circular treatment to the washing solution.
An embodiment according to a second aspect of the present invention, further includes fluid level controller, and the fluid level controller will
60%-80% of the Liquid level of the washing solution in the washing tower height degree.
An embodiment according to a second aspect of the present invention, wherein further include demister in the scrubbing tower, it is described to remove
Day with fog is located at the top of scrubbing tower, for removing the drop in the secondary treatment exhaust gas, to obtain ultimate processing exhaust gas.
An embodiment according to a second aspect of the present invention, further includes frequency conversion fan, and the frequency conversion fan is located at institute
The outside of scrubbing tower is stated, and is connected with scrubbing tower top, for the whole grade processing exhaust gas to be discharged into air.
An embodiment according to a second aspect of the present invention, further includes pressure controller, and the pressure controller is made
For the frequency conversion fan, the frequency of the frequency conversion fan is adjusted, is negative pressure to control the pressure in the scrubbing tower.
The present invention is safe and reliable, efficient, at low cost, good to HCl recyclings effect, and washing solution can obtain effectively
Circulating repetition utilizes, and reduces HCl and MgCl in exhaust gas2Content, prevent the exceeded pollution environment of exhaust gas, operator can be substantially improved
Member's operating environment, improves working efficiency, improves the utilization rate of water resource, has good business efficiency, environmental efficiency and society
Efficiency.
Description of the drawings
Fig. 1 is the present invention to containing HCl and MgCl2The block diagram of system that is handled of exhaust gas.
Fig. 2 be it is heretofore described enter tracheae be connected to schematic diagram with the side of the scrubbing tower lower part
Fig. 3-a are perspective view of the heretofore described multiple venthole cavitys in the scrubbing tower, and Fig. 3-b are the present invention
Described in cross-sectional view of multiple venthole cavitys in the scrubbing tower.
Fig. 4 is the water circular treatment schematic diagram of heretofore described washing solution.
Fig. 5 is the operation principle schematic diagram of heretofore described fluid level controller.
Fig. 6 is the operation principle schematic diagram of heretofore described demister.
Fig. 7 is the operation principle schematic diagram of heretofore described frequency conversion fan.
Fig. 8 is the operation principle schematic diagram of heretofore described pressure controller.
Fig. 9 is the flow chart for the method that the present invention handles the exhaust gas containing HCl and MgCl2.
Specific implementation mode
The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, and reference label refers to the group in the present invention
Part, technology, being realized under appropriate circumstances so as to advantages and features of the invention can be easier to be understood.Following description is pair
The materialization of the claims in the present invention, and also belong to power with the relevant other specific implementations not clearly stated of claim
The range that profit requires.
Fig. 1 is shown according to one aspect of the invention to containing HCl and MgCl2The frame of system that is handled of exhaust gas
Figure.
As shown in Figure 1, system provided by the invention includes scrubbing tower 1, washing solution is accommodated in the scrubbing tower 1；Enter
Tracheae 2, it is described enter tracheae 2 be connected to the scrubbing tower 1, for receiving the exhaust gas so that the exhaust gas pass through described in wash
The washing solution in tower 1 is washed, to obtain primary treatment exhaust gas；Spray nozzle 3, the spray nozzle 3 are used for from the scrubbing tower 1
Spray liquid is sprayed in portion, so that the primary treatment exhaust gas is passed through the spray liquid, to obtain secondary treatment exhaust gas.
The above exhaust gas generally refers to the exhaust gas generated in anhydrous magnesium chloride with high purity production process.It is high-purity
It spends anhydrous magnesium chloride in process of production, needs to be dehydrated in the HCl atmospheres of 90% or more purity.Purity
90% or more HCl gases are to recycle HCl from acid-bearing wastewater to prepare, and in order to improve recovery utilization rate, while also needing to mend
Fill the hydrochloric acid solution of 20%-40%.Prepare HCl gases, the dehydration of HCl atmosphere, hydrochloric acid tank volatilization and anhydrous magnesium chloride transport etc.
It will produce large quantity of exhaust gas in the process.In above-mentioned exhaust gas, the HCl is gaseous state, the MgCl2For dust-like.
It is the above enter tracheae 3 be connected to the scrubbing tower 1, including numerous embodiments：
One of embodiment is, as shown in Figure 1, it is described enter tracheae 2 be connected to the bottom of the scrubbing tower 1, make the exhaust gas
Be passed through the scrubbing tower 1 from the bottom of the scrubbing tower 1, make the exhaust gas from it is described washing solution in by time it is longer,
To improve the washing solution to HCl in exhaust gas and MgCl2Absorption efficiency.
Fig. 2 shows be connected to signal with the side of the scrubbing tower lower part according to entering tracheae described in one aspect of the invention
Figure.
The two of embodiment are, as shown in Fig. 2, it is described enter tracheae 2 be connected to the side of 1 lower part of the scrubbing tower, make described
Exhaust gas is passed through the scrubbing tower 1 from the side of 1 lower part of the scrubbing tower, and the exhaust gas tangentially accesses the washing solution, avoids
The scrubbing tower 1 enters the problem of tracheae 2 blocks caused by particulate matter deposits in the long-term use.
Fig. 3-a show perspective of the multiple venthole cavity according to one aspect of the invention in the scrubbing tower
Figure, Fig. 3-b show cross-sectional view of the multiple venthole cavity according to one aspect of the invention in the scrubbing tower.
The three of embodiment are, as shown in figure 3, system provided by the invention further includes including the cavity 4 of multiple ventholes 41,
The cavity 4 comprising multiple ventholes 41 is connected to tracheae 2 is entered, and is immersed in the washing solution, so that described useless
Gas is discharged from the multiple venthole 41, with by the washing solution accommodated in the scrubbing tower 1.The multiple venthole 41
Cavity 4 can make the exhaust gas being passed through more fully contact the washing solution, increase the exhaust gas and wash connecing for solution with described
Contacting surface is accumulated, to improve the washing solution to HCl and MgCl in the exhaust gas2Absorption efficiency.
Fig. 4 shows the water circular treatment schematic diagram of the washing solution according to one aspect of the invention.
As shown in figure 4, system provided by the invention further includes circulating pump 5, the circulating pump 5 is configured to：From the washing
Extract the washing solution in the bottom of tower 1；And the washing solution extracted is passed into more than the middle part of the scrubbing tower 1
In the scrubbing tower 1, to carry out water circular treatment to the washing solution.Washing solution in the scrubbing tower 1 comes from institute
State the spray liquid of 1 top spray nozzle 3 of scrubbing tower ejection, wherein the spray liquid is desalted water.The scrubbing tower 1 establishes liquid level
To 60% or more of 1 height of the scrubbing tower, starts the circulating pump 5 and establish water cycle, keep the washing in the scrubbing tower 1 molten
Liquid continuously flows downward, and the exhaust gas being passed through in the scrubbing tower 1 continuously rises, to make the washing solution and the exhaust gas
Reverse contact, improves purification efficiency.
Fig. 5 shows the operation principle schematic diagram of the fluid level controller according to one aspect of the invention.
As shown in figure 5, system provided by the invention further includes fluid level controller, the fluid level controller is molten by the washing
60%-80% of the Liquid level of liquid in 1 height of the scrubbing tower.In purification process, need to control in the scrubbing tower 1
The liquid level of solution is washed, 1 water of scrubbing tower cycle is as absorption HCl and MgCl2The first step, the first step if liquid level is relatively low
Assimilation effect will not ensure that, eventually lead to exhaust gas and be unable to reach discharge standard.If liquid level is higher, the washing can be influenced
The spray liquid on 1 top of tower is to HCl and MgCl in the exhaust gas2Double absorption.The fluid level controller is set as automatically controlling, if
Definite value any value between 60%-80%, for example, 60%, 61%, 62%, 63%, 64%, 65%, 66%, 67%, 68%,
69%, 70%, 71%, 72%, 73%, 74%, 75%, 76%, 77%, 78%, 79%, 80%, level gauging pick-up device
The measured value of detection obtains a deviation with setting value by operation, which acts on the fluid level controller, to
The fluid level controller adjusts the aperture of fluid level control valve, ensures the level measurement of washing solution in normal value.
Fig. 6 shows the operation principle schematic diagram of the demister according to one aspect of the invention.
As shown in fig. 6, system provided by the invention, wherein further include demister 6, the demister in the scrubbing tower 1
6 are located at the top of scrubbing tower 1, for removing the drop in the secondary treatment exhaust gas, to obtain ultimate processing exhaust gas.
Fig. 7 shows the operation principle schematic diagram of the frequency conversion fan according to one aspect of the invention.
As described in Figure 7, system provided by the invention further includes frequency conversion fan 7, and the frequency conversion fan 7 is located at the scrubbing tower
1 outside, and be connected with 1 top of the scrubbing tower, for the whole grade processing exhaust gas to be discharged into air.
Fig. 8 shows the operation principle schematic diagram of the pressure controller according to one aspect of the invention.
As shown in figure 8, system provided by the invention further includes pressure controller, the pressure controller acts on the change
Frequency wind turbine 7 adjusts the frequency of the frequency conversion fan 7, is negative pressure to control the pressure in the scrubbing tower 1.The pressure control
Device processed is set as automatically controlling, setting value between -5 to -0.5, such as -5.0, -4.5, -4.0, -3.5, -3.0, -2.5, -
2.0, -1.5, -1.0, -0.5 any value, the frequency for concurrently setting frequency conversion fan 7 are to automatically control.Pressure measurement pick-up device
The measured value of detection obtains a deviation by operation with setting value and acts on the pressure controller, the pressure controller
Input of the output as fan frequency converter, frequency converter frequency size directly determines pumping of the frequency conversion fan 7 to the scrubbing tower 1
Pipette thereby realizes the Automatic Control of 1 pressure of the scrubbing tower.The pressure controller measurement point the exhaust gas into
Enter the manifold before the scrubbing tower 1, the pressure controller adjusts the frequency of the frequency conversion fan 7, so as in the washing
A fixed negative pressure value is maintained in tower 1.If pressure deviates its control range or signal fault occurs, and it is described enter tracheae 2
Valve in open position, then the exhaust gas will be cut into spare scrubbing tower automatically.
Fig. 9 is shown according to one aspect of the invention to containing HCl and MgCl2The flow of method that is handled of exhaust gas
Figure.
As shown in figure 9, the present invention also provides one kind to containing HCl and MgCl2The method that is handled of exhaust gas, including：It will
The exhaust gas is passed through scrubbing tower, and the washing solution by being accommodated in the scrubbing tower, to obtain primary treatment exhaust gas S1；Institute
It states in scrubbing tower, the primary treatment exhaust gas is made to pass through spray liquid, to obtain secondary treatment exhaust gas S2.Exhaust gas described above,
Wherein, the HCl is gaseous state, the MgCl2For dust-like.
Method provided by the invention can be passed through the scrubbing tower from the bottom of the scrubbing tower by the exhaust gas,
It can be that the exhaust gas is passed through the scrubbing tower from the side of the scrubbing tower lower part, can also be and the exhaust gas is passed through packet
Cavity containing multiple ventholes, wherein the cavity comprising multiple ventholes is immersed in the washing solution, so that described useless
Gas is discharged from the multiple venthole, with by the washing solution accommodated in the scrubbing tower.Washing solution described above is
Desalted water.
Method provided by the invention, further comprises：Water circular treatment is carried out to the washing solution.Can be specifically from
Extract the washing solution in the bottom of the scrubbing tower；And by the washing solution extracted more than the middle part of the scrubbing tower
It is passed into the scrubbing tower.
Method provided by the invention, wherein 60%- of the Liquid level of the washing solution in the washing tower height degree
80%.
Method provided by the invention sprays the spray liquid including from the scrubbing tower top by spray nozzle.On
It is desalted water to state the spray liquid.
Optionally, method provided by the invention can also include the drop removed in the secondary treatment exhaust gas, to obtain
Ultimate processing exhaust gas S3, and the whole grade processing exhaust gas is discharged into S4 in air.
It is negative pressure that method provided by the invention, which further includes by the pressure control in the scrubbing tower,.
Optionally, method provided by the invention can also include that the washing solution is discharged from the wash tower bottoms,
Scrubbing tower discharge liquor is obtained, and the scrubbing tower discharge liquor is recycled into S5.
The present invention is safe and reliable, efficient, at low cost, good to HCl recyclings effect, and washing solution can obtain effectively
Circulating repetition utilizes, and reduces HCl and MgCl in exhaust gas2Content, prevent the exceeded pollution environment of exhaust gas, operator can be substantially improved
Member's operating environment, improves working efficiency, improves the utilization rate of water resource, has good business efficiency, environmental efficiency and society
Efficiency.
It should be noted that the present invention will be described rather than limits the invention for above-described embodiment, and this
Field technology personnel can design alternative embodiment without departing from the scope of the appended claims.In claim
In, any reference mark between bracket should not be configured to limitations on claims.
Claims (10)
1. one kind is to containing HCl and MgCl2The method that is handled of exhaust gas, including：
The exhaust gas is passed through scrubbing tower, and the washing solution by being accommodated in the scrubbing tower, to obtain primary treatment exhaust gas；
In the scrubbing tower, the primary treatment exhaust gas is made to pass through spray liquid, to obtain secondary treatment exhaust gas.
2. according to the method described in claim 1, wherein, the HCl is gaseous state, the MgCl2For dust-like.
3. according to the method described in claim 1, the wherein described washing solution is desalted water.
4. according to the method described in claim 1, further comprising：Water circular treatment is carried out to the washing solution.
5. according to the method described in claim 4, wherein, carrying out water circular treatment to the washing solution includes：
The washing solution is extracted from the bottom of the scrubbing tower；And
The washing solution extracted is passed into from more than the middle part of the scrubbing tower in the scrubbing tower.
6. according to the method described in claim 1, wherein by the Liquid level of the washing solution in the washing tower height degree
60%-80%.
7. according to the method described in claim 1, further comprising：The drop in the secondary treatment exhaust gas is removed, to obtain
Ultimate processing exhaust gas, and the whole grade processing exhaust gas is discharged into air.
8. according to the method described in claim 1, being wherein negative pressure by the pressure control in the scrubbing tower.
9. according to the method described in claim 1, further comprising：The washing solution is discharged from the wash tower bottoms,
Scrubbing tower discharge liquor is obtained, and the scrubbing tower discharge liquor is recycled.
10. one kind is to containing HCl and MgCl2The system that is handled of exhaust gas, including：
Scrubbing tower accommodates washing solution in the scrubbing tower；
Enter tracheae, it is described enter tracheae be connected to the scrubbing tower, for receiving the exhaust gas, so that described in the exhaust gas passes through
Washing solution in scrubbing tower, to obtain primary treatment exhaust gas；
Spray nozzle, the spray nozzle are used to spray spray liquid from the scrubbing tower top, and the primary treatment exhaust gas is made to pass through institute
Spray liquid is stated, to obtain secondary treatment exhaust gas.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810558485.4A CN108636064A (en) | 2018-06-01 | 2018-06-01 | One kind is to containing HCl and MgCl2The method and system that is handled of exhaust gas |
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| CN201810558485.4A CN108636064A (en) | 2018-06-01 | 2018-06-01 | One kind is to containing HCl and MgCl2The method and system that is handled of exhaust gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479055A (en) * | 2019-07-30 | 2019-11-22 | 万泰（苏州）环境科技有限公司 | A kind of Waste Gas from Dimethyl Disulfide Production processing unit and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479055A (en) * | 2019-07-30 | 2019-11-22 | 万泰（苏州）环境科技有限公司 | A kind of Waste Gas from Dimethyl Disulfide Production processing unit and method |
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