CN208511908U - A kind of hydrogen chloride and sulfur dioxide system for separating and purifying - Google Patents
A kind of hydrogen chloride and sulfur dioxide system for separating and purifying Download PDFInfo
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- CN208511908U CN208511908U CN201820976467.3U CN201820976467U CN208511908U CN 208511908 U CN208511908 U CN 208511908U CN 201820976467 U CN201820976467 U CN 201820976467U CN 208511908 U CN208511908 U CN 208511908U
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- hydrogen chloride
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Abstract
The utility model discloses a kind of hydrogen chloride and sulfur dioxide system for separating and purifying, it include: gas buffer tank, first-stage condenser, secondary condenser receiving tank and reaction kettle, the gas buffer tank outlet is connected to the entrance of first-stage condenser, the liquid outlet of the first-stage condenser is connected to the entrance of receiving tank, the gas vent of the first-stage condenser is connected to the entrance of secondary condenser, the liquid outlet of the secondary condenser is connected to the entrance of receiving tank, the liquid outlet of the receiving tank is connected to the entrance of reaction kettle, the tracheae for blowing to reactor bottom is connected on the reaction kettle.It is different with the boiling point of hydrogen chloride using sulfur dioxide, using the method separating SO 2 and hydrogen chloride of cryogenic condensation, good separating effect, and energy conservation and environmental protection, separative efficiency height.By being passed through air toward reaction kettle, stirring and air-blowing mode remove remaining a small amount of hydrogen chloride in sulfur dioxide, to greatly improve sulfur dioxide purity.
Description
Technical field
The utility model relates to a kind of hydrogen chloride and sulfur dioxide system for separating and purifying, belong to chemical field.
Background technique
Exhaust emission environment is relatively conventional in chemical production field at present, and most acid waste gas are dispersed into air,
Air quality is not only influenced, is also easy to form acid rain, to soil and causes acid pollution.Hydrogen chloride, sulfur dioxide are that comparison is normal
The sour gas seen is that independent generate is easier to recycle, but if the two is recycled simultaneously will generate very in more situations
Big difficulty recycles after how separating them, cannot be solved the problems, such as very well in traditional handicraft.
Summary of the invention
The utility model in order to solve the problems, such as it is above-mentioned exist in the prior art, a kind of hydrogen chloride and sulfur dioxide separation are provided
Purification system, to solve the technical issues of mixed gas of present hydrogen chloride and sulfur dioxide is not easily recycled.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
The utility model provides a kind of hydrogen chloride and sulfur dioxide system for separating and purifying, comprising: gas buffer tank, level-one
Condenser, secondary condenser receiving tank and reaction kettle, the gas buffer tank outlet is connected to the entrance of first-stage condenser, described
The liquid outlet of first-stage condenser is connected to the entrance of receiving tank, and the gas vent of the first-stage condenser is connected to B-grade condensation
The entrance of device, the liquid outlet of the secondary condenser are connected to the entrance of receiving tank, the liquid outlet connection of the receiving tank
In being connected with the tracheae for blowing to reactor bottom on the entrance of reaction kettle, the reaction kettle.
Preferably, the tracheae is connected with the gas source of compressed air, for being blown into air into reaction kettle, convenient for separation two
Hydrogen chloride gas in sulfur oxide.
Preferably, the gas vent of the secondary condenser and the gas vent of reaction kettle are connected to hydrogen chloride collection device
On, the collection device of hydrogen chloride gas is for collecting the hydrogen chloride gas isolated.
Preferably, the entrance of the gas buffer tank is connected with for being passed through the mixed of hydrogen chloride and sulfur dioxide to be processed
Close the conduit of gas.
Preferably, the coolant liquid that the first-stage condenser and the cooling medium of secondary condenser are -20 DEG C, sulfur dioxide
Boiling point is higher than -20 DEG C, and the boiling point of hydrogen chloride is lower than -20 DEG C, so sulfur dioxide can be condensed into liquid at this temperature, and chlorine
Change hydrogen and also keep gaseous state, hydrogen chloride and sulfur dioxide can be efficiently separated.
Preferably, the reaction kettle is the jacket reactor with agitating device, and the medium in the collet is -20 DEG C cold
But liquid, for preventing the sulfur dioxide of condensation from gasifying again.
Preferably, the liquid outlet of the reactor bottom is connected with dnockout pumps, for the pure dioxy after separation
Change sulphur and is pumped into the workshop for using this raw material.
Preferably, dnockout pumps, the dnockout pumps are connected between the liquid outlet of the receiving tank and the entrance of reaction kettle
Outlet be located at reaction kettle side, for the liquid sulfur dioxide of receiving tank to be pumped into reaction kettle.The gas of the receiving tank
The entrance of outlet connection and secondary condenser, for the pressure in balance reception tank, while the chlorination volatilized in receiving tank
Hydrogen discharge.
The beneficial effects of the utility model are: it is different with the boiling point of hydrogen chloride using sulfur dioxide, using cryogenic condensation
Method separating SO 2 and hydrogen chloride, good separating effect, and energy conservation and environmental protection, separative efficiency are high.By being passed through toward reaction kettle
Air, stirring and air-blowing mode remove remaining a small amount of hydrogen chloride in sulfur dioxide, so that it is pure to greatly improve sulfur dioxide
Degree.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is the hydrogen chloride of the utility model embodiment and the structural schematic diagram of sulfur dioxide system for separating and purifying.
Description of symbols:
In Fig. 1, gas buffer tank 1；First-stage condenser 2；Secondary condenser 3；Receiving tank 4；Hydrogen chloride collection device 5；
Gas source 6；Reaction kettle 7；Dnockout pumps 8.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for the attached drawing description examined is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.It further illustrates with reference to the accompanying drawing.
The utility model provides a kind of hydrogen chloride and sulfur dioxide system for separating and purifying, comprising: gas buffer tank 1, one
Grade condenser 2,3 receiving tank 4 of secondary condenser and reaction kettle 7, gas buffer tank 1 export the entrance for being connected to first-stage condenser 2,
The liquid outlet of first-stage condenser 2 is connected to the entrance of receiving tank 4, and the gas vent of first-stage condenser 2 is connected to B-grade condensation
The entrance of device 3, the liquid outlet of secondary condenser 3 are connected to the entrance of receiving tank 4, and the liquid outlet of receiving tank 4 is connected to instead
The entrance of kettle 7 is answered, is connected on reaction kettle 7 for the tracheae to 7 bottom blowing of reaction kettle.
Receiving tank 4 is sulfur dioxide receiving tank 4, due to temporarily storing sulfur dioxide.
Tracheae is connected with the gas source 6 of compressed air, for being blown into air into reaction kettle 7, convenient in separating SO 2
Hydrogen chloride gas.Tracheae passes through the bottom that reaction kettle 7 extend into reaction kettle 7, and many apertures are arranged at the bottom of tracheae, is used for anti-
It answers and is uniformly blown into air in kettle 7, the stirring of the blender of complex reaction kettle 7, the sulfur dioxide being more conducive in reaction kettle 7
The hydrogen chloride gas of middle dissolution evaporates, and is discharged by the gas vent of reaction kettle 7, to greatly improve sulfur dioxide
Purity.
The gas vent of secondary condenser 3 and the gas vent of reaction kettle 7 are connected on hydrogen chloride collection device 5, chlorination
The collection device of hydrogen is for collecting the hydrogen chloride gas isolated.Hydrogen chloride gas can be inhaled by falling film absorption and alkali
It receives, for producing byproducts such as hydrochloric acid and salt etc..
The entrance of gas buffer tank 1 is connected with leading for the mixed gas for being passed through hydrogen chloride and sulfur dioxide to be processed
Pipe, the effect of gas buffer tank 1 is buffered to the gas for the system that is passed through, and the play of air pressure in the impact and system of air-flow is prevented
Strong fluctuation improves the stability and service life of system.
The coolant liquid that first-stage condenser 2 and the cooling medium of secondary condenser 3 are -20 DEG C, the boiling point of sulfur dioxide is higher than -
20 DEG C, and the boiling point of hydrogen chloride is lower than -20 DEG C, so sulfur dioxide can be condensed into liquid at this temperature, and hydrogen chloride is also protected
Gaseous state is held, hydrogen chloride and sulfur dioxide can be efficiently separated.
Reaction kettle 7 is the jacket reactor with agitating device, and the coolant liquid that the medium in the collet is -20 DEG C is used for
Prevent the sulfur dioxide of condensation from gasifying again.
The liquid outlet of 7 bottom of reaction kettle is connected with dnockout pumps 8, for the pure sulfur dioxide suction after separation to be made
With the workshop of this raw material.
Dnockout pumps 8 are connected between the liquid outlet of receiving tank 4 and the entrance of reaction kettle 7, the outlet of dnockout pumps 8 is located at anti-
7 side of kettle is answered, for the liquid sulfur dioxide in receiving tank 4 to be pumped into reaction kettle 7, the gas vent of receiving tank 4 is connected to
The entrance of secondary condenser 3 is arranged for the pressure in balance reception tank 4, while the hydrogen chloride gas volatilized in receiving tank 4
Out.
In use, the mixed gas of hydrogen chloride and sulfur dioxide from chlorination workshop is passed into gas buffer by conduit
In tank 1, later from the output flow of gas buffer tank 1 to first-stage condenser 2 and secondary condenser 3, condensed through condensed in two stages device,
The high sulfur dioxide of boiling point becomes liquid, flows out from the liquid outlet of first-stage condenser 2 and the bottom of secondary condenser 3, stream
Into sulfur dioxide receiving tank 4, the hydrogen chloride at boiling point bottom keeps gas, is discharged from the gas vent of secondary condenser 3, is discharged to chlorine
In the collection device for changing hydrogen, the liquid sulfur dioxide in sulfur dioxide receiving tank 4 is extracted into reaction kettle 7 through dnockout pumps 8, into
The further purifying of row, high-purity sulfur dioxide liquid after purification are sent to sulfonic acid chloride workshop as raw material by dnockout pumps 8 and carry out
It uses, and the hydrogen chloride gas isolated is discharged in the collection device of hydrogen chloride gas, is handled, and is recycled.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective
And modification, the scope of the utility model are defined by the claims and their equivalents.
Claims (9)
1. a kind of hydrogen chloride and sulfur dioxide system for separating and purifying, comprising: gas buffer tank, first-stage condenser, secondary condenser
Receiving tank and reaction kettle, which is characterized in that the gas buffer tank outlet is connected to the entrance of first-stage condenser, and the level-one is cold
The liquid outlet of condenser is connected to the entrance of receiving tank, and the gas vent of the first-stage condenser is connected to entering for secondary condenser
Mouthful, the liquid outlet of the secondary condenser is connected to the entrance of receiving tank, and the liquid outlet of the receiving tank is connected to reaction
The entrance of kettle is connected with the tracheae for blowing to reactor bottom on the reaction kettle.
2. hydrogen chloride according to claim 1 and sulfur dioxide system for separating and purifying, which is characterized in that the tracheae and pressure
The gas source of contracting air is connected.
3. hydrogen chloride according to claim 1 and sulfur dioxide system for separating and purifying, which is characterized in that the B-grade condensation
The gas vent of device and the gas vent of reaction kettle are both connected on hydrogen chloride collection device.
4. hydrogen chloride according to claim 1 and sulfur dioxide system for separating and purifying, which is characterized in that the gas buffer
The entrance of tank is connected with the conduit of the mixed gas for being passed through hydrogen chloride and sulfur dioxide to be processed.
5. hydrogen chloride according to claim 1 and sulfur dioxide system for separating and purifying, which is characterized in that the level-one condensation
The coolant liquid that the cooling medium of device and secondary condenser is -20 DEG C.
6. hydrogen chloride according to claim 1 and sulfur dioxide system for separating and purifying, which is characterized in that the reaction kettle is
Jacket reactor with agitating device, the coolant liquid that the medium in the collet is -20 DEG C.
7. hydrogen chloride according to claim 1 and sulfur dioxide system for separating and purifying, which is characterized in that the reaction kettle bottom
The liquid outlet in portion is connected with dnockout pumps.
8. hydrogen chloride according to claim 1 and sulfur dioxide system for separating and purifying, which is characterized in that the receiving tank
Dnockout pumps are connected between outlet and the entrance of reaction kettle, the outlet of the dnockout pumps is located at reaction kettle side.
9. hydrogen chloride according to claim 1 and sulfur dioxide system for separating and purifying, which is characterized in that the receiving tank
The entrance of gas vent connection and secondary condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820976467.3U CN208511908U (en) | 2018-06-22 | 2018-06-22 | A kind of hydrogen chloride and sulfur dioxide system for separating and purifying |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820976467.3U CN208511908U (en) | 2018-06-22 | 2018-06-22 | A kind of hydrogen chloride and sulfur dioxide system for separating and purifying |
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| CN208511908U true CN208511908U (en) | 2019-02-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112730403A (en) * | 2020-12-29 | 2021-04-30 | 中国南方电网有限责任公司超高压输电公司柳州局 | Portable measuring device for chlorine and chloride content in atmosphere and gas measuring method thereof |
-
2018
- 2018-06-22 CN CN201820976467.3U patent/CN208511908U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112730403A (en) * | 2020-12-29 | 2021-04-30 | 中国南方电网有限责任公司超高压输电公司柳州局 | Portable measuring device for chlorine and chloride content in atmosphere and gas measuring method thereof |
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