CN208839321U - A kind of the hydrogen chloride tail gas processing and purification recycling equipment of industrial chlorinations reaction generation - Google Patents
A kind of the hydrogen chloride tail gas processing and purification recycling equipment of industrial chlorinations reaction generation Download PDFInfo
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- CN208839321U CN208839321U CN201820528422.XU CN201820528422U CN208839321U CN 208839321 U CN208839321 U CN 208839321U CN 201820528422 U CN201820528422 U CN 201820528422U CN 208839321 U CN208839321 U CN 208839321U
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- hydrogen chloride
- cooling tank
- tail gas
- chloride tail
- spray column
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Abstract
The hydrogen chloride tail gas processing and purification generated the utility model discloses a kind of reaction of industrial chlorinations recycles equipment, including pedestal, described base top one end is provided with spray column, the spray column side is provided with first order cooler, first order cooling tank side is provided with second-stage cooler, the second-stage cooler side is provided with accurate demister, the first order cooler is internally provided with heat and changes pipe, is provided with the first gas-guide tube between second-stage cooler bottom at the top of the first order cooler.The utility model passes through setting spray column, first order cooler, second-stage cooler and accurate demister, be conducive to remove the organic matter of the entrainment in hydrogen chloride tail gas, the purity for improving hydrogen chloride gas changes pipe, and the baffle being arranged by the way that heat is arranged, water is flowed by the hand of spiral, be conducive to the cooling to hydrogen chloride tail gas, improve cooling efficiency, reduce the consumption of cooling water, by the way that organic liquor recovery tube is arranged, be conducive to recycle organic solution.
Description
Technical field
The utility model relates to hydrogen chloride tail gas processing and field of purification, in particular to what a kind of industrial chlorinations reaction generated
Hydrogen chloride tail gas processing and purification recycle equipment.
Background technique
Main component is hydrogen chloride (accounting for about 80% or so) in the tail gas of production of chloroacetic acid reaction discharge, one ton of production of every production
For product there are about the generation of 388 kilograms of hydrogen chloride gas, remaining has chloroacetic chloride, chloro-acetyl chloride, sulfur chloride, chlorine and acetic acid etc..
Such as without processing direct emission, environment is caused seriously to pollute, human body causes rhinitis, nose after sucking a certain concentration hydrogen chloride gas
Septal perforation, laryngitis, bronchitis, pneumonia, leads to headache and palpitaition, has sensation of asphyxia tooth erosion.Long Term Contact low concentration chlorination
Hydrogen also will appear slow poisoning.Such as tail gas is simply absorbed with water, then because sulfur chloride therein meets water decomposition, solid is precipitated
Sulphur, occluding device and pipeline cause production that can not be normally carried out.The sulfur chloride and acetic acid derivative carried secretly in tail gas also can not benefits
With so cannot be recycled, and greatly waste.Product consumption is high, at high cost, causes seriously to pollute to environment.So
For the heterogeneity and content of tail gas in production, suitable treatment process is selected, is used to produce Peak output after purifying hydrogen chloride
Product, while isolating remaining organic constituents, return it to reaction kettle, generate product, reduce unit consumption, it is single to reach reduction
It consumes, improve efficiency.At the same time, reduce the discharge of pollutant, protect environment, improve people's lives environmental quality.
Therefore, the hydrogen chloride tail gas for inventing a kind of industrial chlorinations reaction generation handles and purification recycles equipment to solve
It is necessary to state problem.
Utility model content
The hydrogen chloride tail gas processing and purification generated the purpose of this utility model is to provide a kind of reaction of industrial chlorinations is again
Using equipment, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of chlorination that industrial chlorinations reaction generates
Hydrogen vent gas treatment and purification recycle equipment, including pedestal, described base top one end to be provided with spray column, the spray column one
Side is provided with first order cooling tank, and first order cooling tank side is provided with second level cooling tank, the second level cooling tank
Side is provided with accurate demister, and the first order cooling tank is internally provided with heat and changes pipe, at the top of the first order cooling tank with
It is provided with the first gas-guide tube between the cooling pot bottom in the second level, the first air guide pipe surface is provided with the first valve, and described the
Two cooling tanks are internally provided with spiral heat and change pipe, are provided with the at the top of the second level cooling tank between accurate demister bottom
Two gas-guide tubes, the second air guide pipe surface are provided with the second valve, are provided with pure hydrogen chloride at the top of the precision demister and go out
Port.
Preferably, the chassis interior is provided with organic liquor recovery tube.
Preferably, pressure gauge and thermometer are provided at the top of the first order cooling tank and second level cooling tank.
Preferably, the base top side is provided with water tank, and the tank top is provided with recycling toluene solution medicine-chest,
The water tank is internally provided with water pump, and the spray column is internally provided with sprinkler head, is provided between the water pump and sprinkler head
Aqueduct.
Preferably, the base top is provided with exhaust fan, is provided with exhausting between the exhaust fan and spray column top
Pipe is provided with the first air inlet pipe between the cooling pot bottom of the first order and exhaust fan.
Preferably, the spray tower bottom is provided with air inlet.
The technical effect and advantage of the utility model: by setting spray column, first order cooling tank, second level cooling tank and
Accurate demister, hydrogen chloride tail gas first pass around spray column, with recycling toluene solution spray washing cooling, remove part toluene,
The cooling water amount of part after reduction recycles level-one cooling, second level freezing, three-level precision demister processing system, in tradition
On the basis of condensation technology, cooperates pressure gauge and thermometer, reaction pressure and temperature, the organic matter in hydrogen chloride is all become
0.5 μm or more of droplet is conducive to remove the toluene in hydrogen chloride tail gas, improves the purity of hydrogen chloride gas, improves hydrogen chloride
Recycling effect, change pipe and spiral heat changes pipe by the way that heat is arranged, be conducive to the cooling to hydrogen chloride tail gas, improve cooling effect
Rate reduces the consumption of cooling water, by the way that organic liquor recovery tube is arranged, is conducive to recycle organic toluene solution, improve back
It produces effects rate.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the top view cross section structural schematic diagram of the utility model first order cooling tank；
Fig. 3 is the top view cross section structural schematic diagram of the utility model second level cooling tank；
In figure: 1 pedestal, 2 spray columns, 3 first order cooling tanks, 4 second level cooling tanks, 5 accurate demisters, 6 heat change pipe, 7
First gas-guide tube, 8 first valves, 9 spiral heat change pipe, 10 second gas-guide tubes, 11 second valves, 12 pure hydrogen chloride gas outlets, 13
Organic liquor recovery tube, 14 pressure gauges, 15 thermometers, 16 water tanks, 17 recycling toluene solution medicine-chests, 18 water pumps, 19 sprinkler heads, 20
Aqueduct, 21 exhaust fans, 22 exhaust columns, 23 air inlet pipe, 24 air inlets.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides the hydrogen chloride tail gas processing that a kind of industrial chlorinations reaction as shown in Figs. 1-3 generates and net
Change and recycle equipment, including pedestal 1, described 1 top one end of pedestal is provided with spray column 2, and 2 side of spray column is provided with the
Hydrogen chloride tail gas is cooled to room temperature by level-one cooling tank 3 using the cooling water from factory's cooling tower, and the first order is cooling
3 side of tank is provided with second level cooling tank 4, and using from -20 DEG C of chilled waters coolings of factory's chilled water system, hydrogen chloride is reduced
To -7 DEG C or so.At this moment, toluene forms the droplet of larger particles, and 4 side of second level cooling tank is provided with accurate demister
5, the accurate demister of my company's research and development is used for gas-liquid separation, and gas passes through completely, and droplet is in 0.5 μm of diameter above, energy
99.5% retention organic matter droplet, at 1 μm of diameter or more, can achieve 100% retention, sets inside the first order cooling tank 3
It is equipped with heat and changes pipe 6, be provided with the first gas-guide tube 7, institute between 3 top of first order cooling tank and 4 bottom of second level cooling tank
It states 7 surface of the first gas-guide tube and is provided with the first valve 8, second cooling tank 4 is internally provided with spiral heat and changes pipe 9, utilizes spiral shell
Shape is revolved, increases film-cooled heat, improves efficiency, reduces the consumption of -20 DEG C of chilled waters, 4 top of second level cooling tank and essence
The second gas-guide tube 10 is provided between close 5 bottom of demister, 10 surface of the second gas-guide tube is provided with the second valve 11, described
Pure hydrogen chloride gas outlet 12 is provided at the top of accurate demister 5.
The pedestal 1 is internally provided with organic liquor recovery tube 13, organic liquor recovery tube 13 with first order cooling tank 3,
Second level cooling tank 4 is connected to 5 bottom of accurate demister, recycling first order cooling tank 3, second level cooling tank 4 and accurate demister 5
The toluene solution of generation is provided with pressure gauge 14 and thermometer at the top of the first order cooling tank 3 and second level cooling tank 4
15, by pressure gauge 14 and 15 reaction pressure of thermometer and temperature, to adjust first order cooling tank 3 and second level cooling tank 4
Organic matter in hydrogen chloride, is all become 0.5 μm or more of droplet, 1 top side of pedestal by internal pressure and temperature
It is provided with water tank 16, recycling toluene solution medicine-chest 17 is provided at the top of the water tank 16, the water tank 16 is internally provided with water pump
18, the spray column 2 is internally provided with sprinkler head 19, and aqueduct 20 is provided between the water pump 18 and sprinkler head 19, described
It is provided with exhaust fan 21 at the top of pedestal 1, is provided with exhaust column 22 between 2 top of the exhaust fan 21 and spray column, described first
It is provided with the first air inlet pipe 23 between grade 3 bottom of cooling tank and exhaust fan 21,2 bottom of spray column is provided with air inlet 24,
It will be in the hydrogen chloride tail gas access spray column 2 of generation.
This practical working principle: when this apparatus is used, the hydrogen chloride tail gas that industrial chlorinations reaction is generated is from air inlet
24 are linked into spray column 2, and the recycling toluene solution recycled in toluene solution medicine-chest 17 is mixed with water in water tank 16, pass through water pump
Mixed solution is carried out spraying cooling, recycling toluene solution recycling to the hydrogen chloride tail gas in spray column 2 by sprinkler head 19 by 18
Toluene in hydrogen chloride tail gas, exhaust fan 21 extract the hydrogen chloride tail gas after spray out spray column 2, and it is cooling to be transported to the first order
In tank 3, heat changes pipe 6 and connects the cooling water from factory's cooling tower, hydrogen chloride tail gas is cooled to room temperature, hydrogen chloride tail gas passes through
First gas-guide tube 7 enters in second level cooling tank 4, and spiral heat is changed pipe 9 and connected from -20 DEG C of chilled waters of factory's chilled water system,
Hydrogen chloride tail gas is cooled to -7 DEG C or so, organic droplet is removed into accurate demister 5 by the second gas-guide tube 10, it is pure
Hydrogen chloride gas from pure hydrogen chloride gas outlet 12 connect conduit recycling, first order cooling tank 3, second level cooling tank 4 and precision
The toluene solution that demister 5 generates is recycled by the organic liquor recovery tube 13 of bottom.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of hydrogen chloride tail gas processing that industrial chlorinations reaction generates and purification recycle equipment, including pedestal (1), feature
Be: one end is provided with spray column (2) at the top of the pedestal (1), and spray column (2) side is provided with first order cooling tank
(3), first order cooling tank (3) side is provided with second level cooling tank (4), second level cooling tank (4) the side setting
Have accurate demister (5), the first order cooling tank (3) is internally provided with heat and changes pipe (6), first order cooling tank (3) top
It is provided with the first gas-guide tube (7) between portion and second level cooling tank (4) bottom, the first gas-guide tube (7) surface is provided with
One valve (8), the second level cooling tank (4) are internally provided with spiral heat and change pipe (9), at the top of the second level cooling tank (4)
It is provided with the second gas-guide tube (10) between accurate demister (5) bottom, the second gas-guide tube (10) surface is provided with second
Valve (11), precision demister (5) top are provided with pure hydrogen chloride gas outlet (12).
2. a kind of hydrogen chloride tail gas processing that industrial chlorinations reaction generates according to claim 1 and purification are recycled and are set
It is standby, it is characterised in that: the pedestal (1) is internally provided with organic liquor recovery tube (13).
3. a kind of hydrogen chloride tail gas processing that industrial chlorinations reaction generates according to claim 1 and purification are recycled and are set
It is standby, it is characterised in that: to be provided with pressure gauge (14) and temperature at the top of the first order cooling tank (3) and second level cooling tank (4)
It spends table (15).
4. a kind of hydrogen chloride tail gas processing that industrial chlorinations reaction generates according to claim 1 and purification are recycled and are set
It is standby, it is characterised in that: pedestal (1) top side is provided with water tank (16), is provided with recycling first at the top of the water tank (16)
Benzole soln medicine-chest (17), the water tank (16) are internally provided with water pump (18), and the spray column (2) is internally provided with sprinkler head
(19), aqueduct (20) are provided between the water pump (18) and sprinkler head (19).
5. a kind of hydrogen chloride tail gas processing that industrial chlorinations reaction generates according to claim 1 and purification are recycled and are set
It is standby, it is characterised in that: to be provided with exhaust fan (21) at the top of the pedestal (1), the exhaust fan (21) and spray column (2) top
Between be provided with exhaust column (22), be provided with the first air inlet pipe between first order cooling tank (3) bottom and exhaust fan (21)
(23)。
6. a kind of hydrogen chloride tail gas processing that industrial chlorinations reaction generates according to claim 1 and purification are recycled and are set
It is standby, it is characterised in that: spray column (2) bottom is provided with air inlet (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820528422.XU CN208839321U (en) | 2018-04-14 | 2018-04-14 | A kind of the hydrogen chloride tail gas processing and purification recycling equipment of industrial chlorinations reaction generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820528422.XU CN208839321U (en) | 2018-04-14 | 2018-04-14 | A kind of the hydrogen chloride tail gas processing and purification recycling equipment of industrial chlorinations reaction generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208839321U true CN208839321U (en) | 2019-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820528422.XU Active CN208839321U (en) | 2018-04-14 | 2018-04-14 | A kind of the hydrogen chloride tail gas processing and purification recycling equipment of industrial chlorinations reaction generation |
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| Country | Link |
|---|---|
| CN (1) | CN208839321U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110836599A (en) * | 2019-12-04 | 2020-02-25 | 上海旷彩环保科技发展有限公司 | Electromagnetic heating rotary kiln with reducing atmosphere control function |
| CN114777421A (en) * | 2022-03-31 | 2022-07-22 | 中科瑞奥能源科技股份有限公司 | System and method for purifying hydrogen chloride from chloroacetic acid or chloroacetyl chloride synthesis tail gas |
-
2018
- 2018-04-14 CN CN201820528422.XU patent/CN208839321U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110836599A (en) * | 2019-12-04 | 2020-02-25 | 上海旷彩环保科技发展有限公司 | Electromagnetic heating rotary kiln with reducing atmosphere control function |
| CN114777421A (en) * | 2022-03-31 | 2022-07-22 | 中科瑞奥能源科技股份有限公司 | System and method for purifying hydrogen chloride from chloroacetic acid or chloroacetyl chloride synthesis tail gas |
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