CN208361897U - A kind of knockout tower for during carbon disulphide production - Google Patents
A kind of knockout tower for during carbon disulphide production Download PDFInfo
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- CN208361897U CN208361897U CN201820501429.2U CN201820501429U CN208361897U CN 208361897 U CN208361897 U CN 208361897U CN 201820501429 U CN201820501429 U CN 201820501429U CN 208361897 U CN208361897 U CN 208361897U
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Abstract
The utility model belongs to separator technical field, discloses a kind of knockout tower for during carbon disulphide production, is provided with separation ontology, and the separation body interior has been sequentially filled the first filler, the second filler, third filler and the 4th filler from top to bottom；The separation ontology of the upper end of 4th filler is provided with distributor, and carbon disulfide fluid-tight overflow port is equipped between the third filler and the distributor；Mixed raw material gas feed inlet is provided on the separation ontology of the 4th filler lower end.The separation of the weights component and product such as sulphur, hydrogen sulfide during carbon disulphide production is realized using single column, make full use of the heat of reaction in production process, the energy consumption of carbon bisulfide refining is reduced, reduces equipment investment, while the process simplified also drastically reduces the loss of carbon disulfide.
Description
Technical field
The utility model belongs to separator technical field more particularly to a kind of point for during carbon disulphide production
From tower.
Background technique
Carbon disulfide is a kind of important organic solvent, may further be used to manufacture insecticide, fungicide, organic medicinal intermediate
Deng.Currently, the carbon disulphide production technology of industrialization comparative maturity has methane method and two kinds of coke method according to raw material sources division.
Due to production technology, methane method high degree of automation, device good airproof performance, continuous operation, normal operating is substantially to environment
It does not pollute, and coke method, due to intermittently operated, the degree of automation is low, and environmental pollution is serious and security risk is larger.
Methane method production carbon disulfide, which uses, contains methane or the carbon containing gaseous hydrocarbons of C1~C3 and sulphur as raw material, is adding
It is preheated to 600~700 DEG C in hot stove, is obtained after reaction natural containing carbon disulfide, hydrogen sulfide, excessive sulphur, unreacted
The mixed raw material gas of the substances such as gas.Three parts can be roughly divided into according to boiling point difference, are the recombination using sulphur as representative respectively
Divide and mainly contain sulphur, carbon, byproduct tar etc., has hydrogen sulfide, methane, nitrogen by the light component main component of representative of hydrogen sulfide
Gas, carbon monoxide etc. and product carbon disulfide.
The carbon disulfide product for meeting standard and customer requirement in order to obtain, industrially generally use three towers or double tower to
On the carbon disulfide synthesis gas containing weight component purified.The operation of three towers is first by the above mixed raw material air cooling to one
Determine to be sent into after temperature to catch in sulphur tower, is re-fed into desulfurizing tower after separating a large amount of excessive sulphur, passes through tower bottom reboiler and overhead condensation
Device separates a small amount of sulphur, is finally sent into separation ontology and separates the light components such as carbon disulfide and hydrogen sulfide.Double tower operates
Sulphur tower will be caught and be reduced to gas-liquid separator, then pass through desulfurizing tower and the purification for separating ontology realization carbon disulfide respectively.Patent
CN1919732 discloses a kind of desulfurizing tower, and for realizing the initial gross separation of carbon disulfide, but polishing also needs one or two
A separation ontology is just able to achieve.
In conclusion problem of the existing technology is: traditional three towers or double tower separation and purification carbon disulfide, need by
The cooling liquid of unstripped gas elder generation regasifies operation repeatedly and is just able to achieve separation, duplicate gasification and liquefaction increase steam consumption and
Energy waste, complicated operation increases the loss of carbon disulfide, while multiple towers also increase equipment investment.
Summary of the invention
In view of the problems of the existing technology, the utility model provides a kind of point for during carbon disulphide production
From tower.
The utility model is realized in this way a kind of knockout tower for during carbon disulphide production is provided with separation originally
Body, the separation body interior have been sequentially filled the first filler, the second filler, third filler and the 4th filler from top to bottom；
The separation ontology of the upper end of 4th filler is provided with distributor, between the third filler and the distributor
Carbon disulfide fluid-tight overflow port is installed；Mixed raw material gas feed inlet is provided on the separation ontology of the 4th filler lower end.
Further, between separation body outer wall and the separation body outer wall of the 4th filler upper end of first filler lower end
It is installed by welding with gas-phase feed pipe.
Further, carbon disulfide reboiler, the carbon disulfide reboiler are installed by welding in the middle part of the separation ontology
Lower end be equipped with carbon disulfide product extraction mouth；The bottom of the separation ontology is provided with tower bottom sulphur and heavy constituent mouth.
Further, it is bolted on the tower top of the separation ontology and high-effect cooling device is installed, the efficient cooling
The upper end of device is provided with hydrogen sulfide and light component mouth.
The advantages of the utility model and good effect are as follows: realize sulphur, sulphur during carbon disulphide production using single column
The separation for changing the weights components and product such as hydrogen, makes full use of the heat of reaction in production process, reduces carbon bisulfide refining
Energy consumption reduces equipment investment, while the process simplified also drastically reduces the loss of carbon disulfide.
1, separation ontology can realize by-product or excessive weight in product carbon disulfide and reaction process using single column
The separation of component, reduces equipment investment, simplifies operating process.
2, separation ontology makes full use of reaction heat during carbon disulphide production, reduces repeatedly cold in traditional separation process
But, the process boiled again, energy consumption needed for reducing separation.
3, ontology is separated since process is simple, is drastically reduced the loss of carbon disulfide in operating process, is improved dress
Set whole product yield.
4, ontology is separated, is entered in tower in tower using carbon disulfide fluid-tight one side prevention Tower bottom gas, is on the other hand worked as
Overflow enters tower lower part when carbon disulfide liquid level is sufficiently high in tower, avoids asking for flooding caused by separation ontology maloperation etc.
Topic.
Detailed description of the invention
Fig. 1 is the structural representation provided by the embodiment of the utility model for the knockout tower during carbon disulphide production
Figure；
In figure: 1, the first filler；2, the second filler；3, third filler；4, the 4th filler；5, high-effect cooling device；6, gas phase
Feed pipe；7, carbon disulfide fluid-tight overflow port；8, distributor；9, carbon disulfide reboiler；10, carbon disulfide product produces mouth；
11, mixed raw material gas feed inlet；12, tower bottom sulphur and heavy constituent mouth；13, ontology is separated；14, hydrogen sulfide and light component mouth.
Specific embodiment
For the invention, features and effects that can further appreciate that the utility model, the following examples are hereby given, and cooperates
Detailed description are as follows for attached drawing.
The structure of the utility model is explained in detail with reference to the accompanying drawing.
A kind of knockout tower for during carbon disulphide production is provided with separation ontology 13, in the separation ontology 13
Portion has been sequentially filled the first filler 1, the second filler 2, third filler 3 and the 4th filler 4 from top to bottom；
The separation ontology 13 of the upper end of 4th filler 4 is provided with distributor 8, the third filler 3 and the distribution
Carbon disulfide fluid-tight overflow port 7 is installed between device 8；It is former that mixing is provided on the separation ontology 13 of 4th filler, 4 lower end
Expect gas feed inlet 11.
As the preferred embodiment of the utility model, 13 outer wall of separation ontology of 1 lower end of the first filler is filled out with the 4th
Expect to be installed by welding with gas-phase feed pipe 6 between 13 outer wall of separation ontology of 4 upper ends.
As the preferred embodiment of the utility model, the middle part of the separation ontology 13 is installed by welding with carbon disulfide and boils again
Device 9, the lower end of the carbon disulfide reboiler 9 are equipped with carbon disulfide product extraction mouth 10；The bottom of the separation ontology 13
It is provided with tower bottom sulphur and heavy constituent mouth 12.
As the preferred embodiment of the utility model, it is bolted on the tower top of the separation ontology 13 and height is installed
Cooler 5 is imitated, the upper end of the high-effect cooling device 5 is provided with hydrogen sulfide and light component mouth 14.
Working principle of the utility model is:
Sulphur heavy constituent, carbon disulfide, hydrogen sulfide light component separate simultaneously to be realized to carbon disulphide production process.Separation is originally
Body 13 takes the heavy constituents such as tower bottom extraction sulphur, the qualified carbon disulfide of extraction in tower, the light components such as overhead extraction hydrogen sulfide, sufficiently
The heat to be come using carbon disulfide reactor band, avoids that traditional handicraft process is cooling, boils, cools down again again, reduces two
The energy consumption of nitric sulfid separation, reduces investment cost, reduces carbon disulfide in the loss of separation process.
It separates ontology 13 and uses four sections of structured packings, by the desulfurizing tower used during former carbon disulphide production, separation
Ontology 13 is caught sulphur and catches the towers function such as carbon tower and completed using tower, is raw material using C1-C3 hydrocarbon, is realized carbon disulfide product, sulphur
The separation of sulphur and heavy constituent, hydrogen sulfide and light component.And tower bottom makes full use of the heat of reaction process, is not provided with reboiler,
Realize the separation of sulphur and heavy constituent；Carbon disulfide fluid-tight and reboiler are set in tower, guarantee product quality；Tower top uses built-in height
Imitate lamella heat exchanger partial condensation, it is ensured that the separative efficiency of carbon disulfide.Under the premise of guaranteeing carbon disulfide product quality,
The rate of recovery for improving carbon disulfide to greatest extent reduces heating, cooling operation repeatedly in former carbon disulfide separation process
Caused by energy consumption it is excessively high, while former 2~3 towers are reduced to 1 tower, equipment investment are greatly saved, shortens separation stream
Journey.
It is divided into four sections from tower top to tower bottom using structured packing, is respectively as follows: the first filler 1, the second filler 2, third filler
3, the 4th filler 4；Wherein the mixed raw materials such as sulphur, carbon disulfide, hydrogen sulfide gas enters separation ontology from 4 lower part of the 4th filler
13, a root canal road is drawn for gas phase in conveying tower to the first filler 1 and second from the side of separation ontology 13 on the 4th filler 4
Between filler 2, reboiler be set to third filler 3 hereinafter, between third filler 3 and the 4th filler 4 be arranged carbon disulfide fluid-tight,
Carbon disulfide is set to flow down from fluid-tight, gas phase cannot pass through, and finished product carbon disulfide is under third filler 3 and on the 4th filler 4
Liquid level extraction, efficient plate-type heat-exchanger built in 1 arrangement above of the first filler.
Liquid distribution trough 8 is set on the 4th filler 4.
The operating pressure for separating ontology 13 is 0.2~2.0MPa, preferably 0.4~1.8MPa, further preferably for 0.6~
1.2MPa is 50~180 DEG C according to operating pressure difference tower bottom operation temperature, and tower top operation temperature is -30~10 DEG C.
Mixed raw material gas containing impurity such as carbon disulfide, hydrogen sulfide, sulphur enters separation ontology from 4 lower part of the 4th filler
13, it makes full use of unstripped gas from reaction system bring heat, carries out gas-liquid in the 4th filler 4 with the carbon disulfide from tower top
Exchange, the heavy constituents such as sulphur are discharged from tower bottom, and the light components such as carbon disulfide, hydrogen sulfide are among the first filler 1 and the second filler 2
13 upper section of separation ontology enter and separate inside ontology 13, the second filler 2 with carried out in third filler 3 carbon disulfide with
The separation of hydrogen sulfide.The carbon disulfide fluid-tight that special designing is used in tower, when separation 13 middle part carbon disulfide of ontology reaches certain
After liquid level, the heavy constituents such as sulphur are separated in the 4th filler 4 with unstripped gas automatically into separation 13 lower section of ontology by fluid-tight.Separation
The middle part carbon disulfide of ontology 13, which is sent by reboiler to 3 or less third filler, ensures carbon disulfide quality, and carbon disulfide is qualified
It is produced afterwards by reboiler import.Tower top cools down the light components such as hydrogen sulfide using efficient plate-type heat-exchanger, and fixed gas is logical
It crosses tower top discharge and is sent into sulphur recovery process.
The above is only the preferred embodiment to the utility model, is not made in any form to the utility model
Limitation, it is all according to the technical essence of the utility model any simple modification made to the above embodiment, equivalent variations with
Modification, is all within the scope of the technical scheme of the utility model.
Claims (4)
1. a kind of knockout tower for during carbon disulphide production, which is characterized in that described to be used for carbon disulphide production process
In knockout tower be provided with separation ontology, the separation body interior be sequentially filled from top to bottom the first filler, the second filler,
Third filler and the 4th filler；
The separation ontology of the upper end of 4th filler is provided with distributor, installs between the third filler and the distributor
There is carbon disulfide fluid-tight overflow port；Mixed raw material gas feed inlet is provided on the separation ontology of the 4th filler lower end.
2. as described in claim 1 for the knockout tower during carbon disulphide production, which is characterized in that under first filler
Gas-phase feed pipe is installed by welding between separation body outer wall and the separation body outer wall of the 4th filler upper end at end.
3. as described in claim 1 for the knockout tower during carbon disulphide production, which is characterized in that the separation ontology
Middle part is installed by welding with carbon disulfide reboiler, and the lower end of the carbon disulfide reboiler is equipped with the extraction of carbon disulfide product
Mouthful；The bottom of the separation ontology is provided with tower bottom sulphur and heavy constituent mouth.
4. as described in claim 1 for the knockout tower during carbon disulphide production, which is characterized in that the separation ontology
It is bolted on tower top and high-effect cooling device is installed, the upper end of the high-effect cooling device is provided with hydrogen sulfide and light component
Mouthful.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820501429.2U CN208361897U (en) | 2018-04-10 | 2018-04-10 | A kind of knockout tower for during carbon disulphide production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820501429.2U CN208361897U (en) | 2018-04-10 | 2018-04-10 | A kind of knockout tower for during carbon disulphide production |
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| Publication Number | Publication Date |
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| CN208361897U true CN208361897U (en) | 2019-01-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115430260A (en) * | 2022-04-28 | 2022-12-06 | 宁夏紫光天化蛋氨酸有限责任公司 | Gas-liquid three-phase continuous separation equipment and method for removing carbon disulfide from hydrogen sulfide |
-
2018
- 2018-04-10 CN CN201820501429.2U patent/CN208361897U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115430260A (en) * | 2022-04-28 | 2022-12-06 | 宁夏紫光天化蛋氨酸有限责任公司 | Gas-liquid three-phase continuous separation equipment and method for removing carbon disulfide from hydrogen sulfide |
| CN115430260B (en) * | 2022-04-28 | 2023-09-26 | 宁夏紫光天化蛋氨酸有限责任公司 | Gas-liquid three-phase continuous separation equipment and method for removing carbon disulfide from hydrogen sulfide |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190314 Address after: 201799 Room 1926, 1st floor A, 9565 Huqingping Highway, Qingpu District, Shanghai Patentee after: Shanghai Donggeng Chemical Technology Co., Ltd. Address before: Room 207, 2-storey Z District, No. 9565 Huqingping Highway, Qingpu District, Shanghai, 201799 Patentee before: Shanghai East Geng equipment Engineering Technology Co., Ltd. |
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| TR01 | Transfer of patent right |