CN209226583U - A kind of tail gas of acid production with sulphur prepares the device of sulphur - Google Patents
A kind of tail gas of acid production with sulphur prepares the device of sulphur Download PDFInfo
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- CN209226583U CN209226583U CN201822090031.7U CN201822090031U CN209226583U CN 209226583 U CN209226583 U CN 209226583U CN 201822090031 U CN201822090031 U CN 201822090031U CN 209226583 U CN209226583 U CN 209226583U
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- sulphur
- import
- tail gas
- acid production
- outlet connection
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Abstract
The utility model belongs to the technical field of vent gas treatment, the tail gas for being specifically related to a kind of acid production with sulphur prepares the device of sulphur, the tail gas of acid production with sulphur provided by the utility model prepares the device of sulphur, including absorption tower, cooler, the liquid-inlet of the liquid outlet connection reaction kettle on the absorption tower, the import of the outlet connection condensing crystallizing kettle of the reaction kettle, the condensing crystallizing kettle is sequentially connected the first centrifuge, heater, condensate cooler, second centrifuge, the import connection hydrogen sulfide waste gas outlet of the cooler, the import of the outlet connection demister of the cooler, the hydrogen sulfide import of the outlet connection reaction kettle of the demister.The device that the tail gas of the acid production with sulphur of the utility model prepares sulphur can handle the tail gas containing sulfur dioxide generated in acid production with sulphur production process, and combine hydrogen sulfide waste gas, is sulphur by Sulphur Dioxide, realizes resource reutilization, protects environment.
Description
Technical field
The utility model relates to the field of tail gas treatment, the tail gas for being specifically related to a kind of acid production with sulphur prepares the dress of sulphur
It sets.
Background technique
Sulfur dioxide is a kind of global atmosphere pollution, and harm predominantly forms acid rain.In addition, two in environment
Sulfur oxide can cause immunization programs for children power function reduction, common people's respiratory tract, the increase of eye illness rate etc..It is produced in acid production with sulphur technique
The exhaust emissions containing sulfur dioxide generated in the process pollutes the environment.Hydrogen sulfide is that waste water has stench, severe toxicity and height rotten
The features such as corrosion, such as cannot be removed effectively the problems such as often causing environmental pollution, equipment burn into line clogging, cause equipment
Failure is simultaneously detrimental to health.So needing to take measures to handle tail gas.
With environmental protection it is increasingly strict, country it is more and more harsh to Emissions requirements.For the hydrogen sulfide generated in production
Exhaust gas, the SO 2 tail gas generated in acid production with sulphur production process, we will have the processing method of science, should control absorption
This part SO 2 tail gas, hydrogen sulfide waste gas, while absorbing liquid is converted to again the substance for being suitble to us to use, so not
Only to environmental benefits, while certain economic benefit can also be created.Therefore sulfur dioxide is turned, hydrogen sulfide becomes added value high yield
Product are the preferable modes for solving environmental pollution and resource recycling.
Summary of the invention
In order to solve the above technical problems, the tail gas that the utility model provides a kind of acid production with sulphur prepares the device of sulphur.This
The device that the tail gas for the acid production with sulphur that utility model provides prepares sulphur can handle containing of generating in acid production with sulphur production process
There is the tail gas of sulfur dioxide, and combine hydrogen sulfide waste gas, is sulphur by Sulphur Dioxide, protects environment, realize resource
It recycles.To achieve the above objectives, the present invention adopts the following technical solutions:
A kind of tail gas of acid production with sulphur prepares the device of sulphur, including absorption tower, cooler, the liquid discharge on the absorption tower
The liquid-inlet of mouth connection reaction kettle, the import of the outlet connection condensing crystallizing kettle of the reaction kettle, the condensing crystallizing kettle
The import of the first centrifuge of outlet connection, the solids inlet of the solid outlet connection heater of first centrifuge are described to add
The import of the outlet connection condensate cooler of hot device, the import of the second centrifuge of outlet connection of the condensate cooler are described
The import connection hydrogen sulfide waste gas outlet of cooler, the import of the outlet connection demister of the cooler, the demister
The hydrogen sulfide import of outlet connection reaction kettle.The absorbing liquid is the aqueous solution of organic amine absorbent, and sulfur dioxide encounters absorption
Liquid is present in absorbing liquid in the form of inferior sulfate radical, and treated hydrogen sulfide encounters absorbing liquid and is changed into sulphur hydrogen radical ion,
It is reacted with sulfite ion and generates sulphur, sulphur handles to obtain sulphur by heating condensation, centrifugal drying, can enter relieving haperacidity
Process continues to use, and reduces the harm to environment of the discharge generation of sulfur dioxide gas and hydrogen sulfide waste gas.
The top on the absorption tower is provided with absorbing liquid import, and the lower part on the absorption tower is provided with gas feed, described
The outlet of gas feed connection bag filter.It is using bag filter that the dust of the tail gas of acid production with sulphur, particulate matter etc. is miscellaneous
Object removal, and the heat of a part is taken away, damage of the hot gas to absorption tower entrained by tail gas is reduced, the absorbent is organic
The aqueous solution of amine absorbent can more fully absorb the sulfur dioxide in flue gas, further purifying smoke, and be conducive to
The positive of reaction carries out, to further increase the conversion ratio of reaction.
The liquid outlet of first centrifuge, the liquid outlet of the second centrifuge are all connected with the liquid-inlet of reaction kettle,
Product is centrifuged by entering the first centrifuge after condensing crystallizing kettle condensing crystallizing, and the solid come out from the first centrifuge enters
In heater, and it is passed through vapor into heater, heating purification is carried out to sulphur, is carried out at centrifugation into the second centrifuge
Reason, there are also a small amount of sulfur dioxide for the liquid come out from the first centrifuge and the second centrifuge, thus by from centrifuge out
Liquid is conveyed into reaction kettle participates in reaction again.
The reaction kettle includes autoclave body, and the top of autoclave body is provided with absorbing liquid import, and the lower part of the autoclave body is provided with sulphur
Change hydrogen import.
The inner wall of the autoclave body is provided with spray tube, the spray tube be arranged in the inside of autoclave body and with absorbing liquid import phase
Even.Absorbing liquid can be subjected to counter current contacting with hydrogen sulfide gas by way of spray in this way, to further increase reaction
Efficiency.
Agitating device is provided in the condensing crystallizing kettle, the entrance of the condensate cooler is provided with refractory ceramics guarantor
Bushing pipe is protected, setting refractory ceramics protects bushing to can protect the heat exchange pipeline section of condensate cooler entrance from high temperature in inlet
The sulfidation corrosion of gas.
The beneficial effects of the utility model
(1) tail gas of the acid production with sulphur of the utility model prepares the device of sulphur, tail gas and vulcanization using acid production with sulphur
Hydrogen exhaust gas is by processing, and in a kettle, sulfur dioxide can be present in suction through absorbing liquid absorption in the form of sulfite ion
It receives in liquid, hydrogen sulfide gas, which encounters absorbing liquid, can be transformed into sulphur hydrogen radical, be reacted with sulfite ion to generate sulphur, and to production
Raw sulphur carries out heating condensation, centrifugal drying obtains sulphur, is conducive to the purity for improving product and guarantees product quality, simultaneously
It can be used in sulphur process processed, reduce the pollution to environment, realize the recycling of resource.And it will be obtained by centrifugation
The liquid containing a small amount of sulfur dioxide reused, improve the recovery efficiency of sulfur dioxide.
(2) tail gas of the acid production with sulphur of the utility model prepares the device of sulphur, can handle acid production with sulphur production process
Sulphur Dioxide is sulphur, it is sharp again to realize resource by the tail gas and hydrogen sulfide waste gas containing sulfur dioxide of middle generation
With protecting environment, realize resource recycling.
Detailed description of the invention
Fig. 1 is that the tail gas of the acid production with sulphur of the utility model prepares the device of sulphur.
In figure: 1: tail gas pipeline 2: bag filter 3: absorption tower 4: absorbing liquid import 5: reaction kettle 51: spray tube
6: demister 7: cooler 8: hydrogen sulfide waste gas outlet 9: 10: the first centrifuge 11 of condensing crystallizing kettle: heater 12: cold
Solidifying 13: the second centrifuge of cooler.
Specific embodiment
The dress of sulphur is prepared to a kind of tail gas of acid production with sulphur of the utility model in the following with reference to the drawings and specific embodiments
It sets and is described further.
Embodiment 1
A kind of tail gas of acid production with sulphur prepares the device of sulphur, including absorption tower 3, cooler 7, the liquid on the absorption tower 3
The liquid-inlet of body outlet connection reaction kettle 5, the import of the outlet connection condensing crystallizing kettle 9 of the reaction kettle 5, the concentration knot
Brilliant kettle 9 outlet connection the first centrifuge 10 import, first centrifuge 10 solid outlet connection heater 11 into
Mouthful, the heater 11 outlet connection condensate cooler 12 import, the condensate cooler 12 outlet connection second from
The import of scheming 13, the import connection hydrogen sulfide waste gas outlet 8 of the cooler 7, the outlet of the cooler 7 connects demister
6 import, the hydrogen sulfide import of the outlet connection reaction kettle 5 of the demister 6.The absorbing liquid is the water of organic amine absorbent
Solution, sulfur dioxide encounter absorbing liquid, are present in absorbing liquid in the form of inferior sulfate radical, and treated hydrogen sulfide encounters suction
It receives liquid and is changed into sulphur hydrogen radical ion, reacted with sulfite ion and generate sulphur, sulphur is by heating condensation, centrifugal drying processing
Sulphur is obtained, relieving haperacidity process can be entered and continued to use, reduces the discharge generation of sulfur dioxide gas and hydrogen sulfide waste gas
Harm to environment.
Embodiment 2
A kind of tail gas of acid production with sulphur prepares the device of sulphur, including absorption tower 3, cooler 7, the liquid on the absorption tower 3
The liquid-inlet of body outlet connection reaction kettle 5, the import of the outlet connection condensing crystallizing kettle 9 of the reaction kettle 5, the concentration knot
Brilliant kettle 9 outlet connection the first centrifuge 10 import, first centrifuge 10 solid outlet connection heater 11 into
Mouthful, the heater 11 outlet connection condensate cooler 12 import, the condensate cooler 12 outlet connection second from
The import of scheming 13, the import connection hydrogen sulfide waste gas outlet 8 of the cooler 7, the outlet of the cooler 7 connects demister
6 import, the hydrogen sulfide import of the outlet connection reaction kettle 5 of the demister 6.The absorbing liquid is the water of organic amine absorbent
Solution, sulfur dioxide encounter absorbing liquid, are present in absorbing liquid in the form of inferior sulfate radical, and treated hydrogen sulfide encounters suction
It receives liquid and is changed into sulphur hydrogen radical ion, reacted with sulfite ion and generate sulphur, sulphur is by heating condensation, centrifugal drying processing
Sulphur is obtained, relieving haperacidity process can be entered and continued to use, reduces the discharge generation of sulfur dioxide gas and hydrogen sulfide waste gas
Harm to environment.
The top on the absorption tower 3 is provided with absorbing liquid import 4, and the lower part on the absorption tower 3 is provided with gas feed, institute
State the outlet of gas feed connection bag filter 2.Using bag filter 2 by the dust of the tail gas of acid production with sulphur, particulate matter
Equal sundries removal, and the heat of a part is taken away, reduce damage of the hot gas to absorption tower 3 entrained by tail gas, the absorbent
For the aqueous solution of organic amine absorbent, the sulfur dioxide in tail gas can be more fully absorbed, further cleaning of off-gas, and
Be conducive to the positive of reaction to carry out, to further increase the conversion ratio of reaction.
The liquid outlet of first centrifuge 10, the second centrifuge 13 liquid outlet be all connected with the liquid of reaction kettle 5
Import, product are centrifuged into the first centrifuge 10 after passing through 9 condensing crystallizing of condensing crystallizing kettle, are come out from the first centrifuge 10
Solid enter in heater 11, and be passed through vapor and heating purification carried out to sulphur, through entering the second centrifugation after supercooling
Machine 13, there are also a small amount of sulfur dioxide for the liquid come out from the first centrifuge 10, therefore the liquid that will be come out from the first centrifuge 10
Body is conveyed into reaction kettle participates in reaction again, and the liquid come out from the second centrifuge 13 likewise enters in reaction kettle to be participated in again
Reaction, the solid come out from the second centrifuge 13 are sulphur, and rear Collection utilization is dried.
The reaction kettle 5 includes autoclave body, and the top of autoclave body is provided with absorbing liquid import, and the lower part of the autoclave body is provided with sulphur
Change hydrogen import.
The inner wall of the autoclave body is provided with spray tube 51, the spray tube 51 be arranged in the inside of autoclave body and and absorbing liquid into
Mouth is connected.Absorbing liquid can be subjected to counter current contacting with hydrogen sulfide gas by way of spray in this way, to further increase
The efficiency of reaction.
Agitating device is provided in the condensing crystallizing kettle 9, the entrance of the condensate cooler 12 is provided with high temperature pottery
Porcelain protect bushing pipe inlet setting refractory ceramics protect bushing can protect the heat exchange pipeline section of 12 import of condensate cooler from
The sulfidation corrosion of the gas of high temperature.
Utility model works process are as follows: the tail gas that acid production with sulphur obtains enters bag filter 2 by tail gas pipeline 1,
Bag filter 2 removes the dust carried in tail gas, particulate matter etc., and takes away a part of heat of tail gas, prevents overheat
The influence that tail gas runs absorption tower 3 enters absorption tower 3 from the bottom on absorption tower 3 by the tail gas that bag filter 2 is handled,
Absorbing liquid import 4 is opened simultaneously, absorbing liquid is injected in absorption tower 3, the absorbing liquid is organic amine compound, passes through absorption
The spraying layer of tower 3 sprays into absorbing liquid in tower, comes into full contact with the tail gas risen from tower bottom, completes the processing to tail gas, will
To the absorbing liquid containing sulfite ion be passed through in reaction kettle 5, while by hydrogen sulfide waste gas processing be passed through in reaction kettle 5,
Hydrogen sulfide waste gas enters the cooling of cooler 7, then the hydrogen sulfide waste gas that will be handled through subcooler 7 by hydrogen sulfide waste gas outlet 8
Be passed through in demister 6, remove aqueous vapor, the fog etc. that carry in hydrogen sulfide waste gas, then by hydrogen sulfide waste gas be passed through in reaction kettle 5 with
It is reacted by the reaction solution that sparge pipe 51 sprays into, hydrogen sulfide can be changed into sulphur hydrogen radical after contacting with absorbing liquid, with sulfurous acid
Radical ion reaction generates sulphur, and obtained reactant is transferred in condensing crystallizing kettle 9 and carries out condensing crystallizing, by the first centrifuge 10
It is centrifuged in obtained liquid also containing a small amount of sulfur dioxide, liquid is returned and continue to participate in reaction in reaction kettle 5, by the
The centrifugation of one centrifuge 10 obtains sulphur solid and is added in heater 11, and is passed through vapor and is heated, and obtains sulphur and water
Mixture is passed through in condensate cooler 12 and is cooled down, and is centrifuged by the second centrifuge 13, obtains solid and be dried
To sulphur, also contains a small amount of sulfur dioxide in the liquid obtained by the centrifugation of the second centrifuge 13, liquid is returned in reaction kettle 5
Continue to participate in reaction.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that a variety of to the progress of these embodiments can change without departing from the principles and spirit of the present invention, modify,
Replacement and variant, the scope of the present invention is defined by the appended.
Claims (6)
1. the device that a kind of tail gas of acid production with sulphur prepares sulphur, which is characterized in that including absorption tower, cooler, the absorption
The liquid-inlet of the liquid outlet connection reaction kettle of tower, the import of the outlet connection condensing crystallizing kettle of the reaction kettle are described dense
Contracting crystallization kettle outlet connection the first centrifuge import, first centrifuge solid outlet connection heater solid into
Mouthful, the import of the outlet connection condensate cooler of the heater, the second centrifuge of outlet connection of the condensate cooler
Import, the import connection hydrogen sulfide waste gas outlet of the cooler, the import of the outlet connection demister of the cooler are described
The hydrogen sulfide import of the outlet connection reaction kettle of demister.
2. the device that the tail gas of acid production with sulphur according to claim 1 prepares sulphur, which is characterized in that the absorption tower
Top is provided with absorbing liquid import, and the lower part on the absorption tower is provided with gas feed, and the gas feed connects bag-type dust
The outlet of device.
3. the device that the tail gas of acid production with sulphur according to claim 1 prepares sulphur, which is characterized in that first centrifugation
The liquid outlet of machine, the second centrifuge liquid outlet be all connected with the liquid-inlet of reaction kettle.
4. the device that the tail gas of acid production with sulphur according to claim 1 prepares sulphur, which is characterized in that the reaction kettle packet
Autoclave body is included, the top of autoclave body is provided with liquid-inlet, and the lower part of the autoclave body is provided with hydrogen sulfide import.
5. the device that the tail gas of acid production with sulphur according to claim 4 prepares sulphur, which is characterized in that the autoclave body it is interior
Wall is provided with spray tube, and the spray tube is arranged in the inside of autoclave body and is connected with absorbing liquid import.
6. the device that the tail gas of acid production with sulphur according to claim 1 prepares sulphur, which is characterized in that the condensing crystallizing
Agitating device is provided in kettle, the entrance of the condensate cooler is provided with refractory ceramics protection bushing pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822090031.7U CN209226583U (en) | 2018-12-12 | 2018-12-12 | A kind of tail gas of acid production with sulphur prepares the device of sulphur |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822090031.7U CN209226583U (en) | 2018-12-12 | 2018-12-12 | A kind of tail gas of acid production with sulphur prepares the device of sulphur |
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| CN209226583U true CN209226583U (en) | 2019-08-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114408871A (en) * | 2022-01-28 | 2022-04-29 | 山东明大化学科技股份有限公司 | Heat recovery device for sulfur acid production |
-
2018
- 2018-12-12 CN CN201822090031.7U patent/CN209226583U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114408871A (en) * | 2022-01-28 | 2022-04-29 | 山东明大化学科技股份有限公司 | Heat recovery device for sulfur acid production |
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