CN203959827U - Tripping device for process for preparation of CS 2 molten sulfur - Google Patents
Tripping device for process for preparation of CS 2 molten sulfur Download PDFInfo
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- CN203959827U CN203959827U CN201420317455.1U CN201420317455U CN203959827U CN 203959827 U CN203959827 U CN 203959827U CN 201420317455 U CN201420317455 U CN 201420317455U CN 203959827 U CN203959827 U CN 203959827U
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Abstract
The utility model discloses a kind of tripping device for process for preparation of CS 2 molten sulfur, comprise separating tank and drainer, described separating tank top is provided with molten sulfur import and pneumatic outlet, bottom is provided with molten sulfur vent pipe, in described separating tank, be fixedly installed steam heating coil, described steam heating coil is positioned at molten sulfur import below; Described drainer bottom is connected with drain pipe, top is provided with vapor pipe, in described drainer, is fixedly installed jacket pipe, and described jacket pipe comprises inner tube and the outer tube circulating for water coolant, one end of described inner tube communicates with pneumatic outlet, and the other end communicates with vapor pipe.The utility model can be separated dithiocarbonic anhydride and hydrogen sulfide fully from molten sulfur, and the dithiocarbonic anhydride of separating is recycled; Can also solve the problem of sewage pollution environment in prior art simultaneously.
Description
Technical field
The utility model relates to separation and the recovery of molten sulfur in dithiocarbonic anhydride preparation process, is specifically related to Sweet natural gas and sulphur uncatalyzed reaction and produces the tripping device to dithiocarbonic anhydride and hydrogen sulfide in excessive molten sulfur in dithiocarbonic anhydride process.
Background technology
At present, take Sweet natural gas and sulphur, as raw material uncatalyzed reaction, to produce dithiocarbonic anhydride be production technique the most widely.In the preparation process of dithiocarbonic anhydride, Sweet natural gas and sulphur enter dithiocarbonic anhydride reaction boiler tube, after the equipment such as reactor, sulfur condenser, sulphur separator and dithiocarbonic anhydride condenser, obtain dithiocarbonic anhydride.But in preparation process, because the temperature of reaction of reaction boiler tube is between 680-720 ℃, this just causes Sweet natural gas to be easily cracked into carbon simple substance (CH4 → C+H2) being adsorbed onto on reaction coil pipe, not only having affected the reaction effect of Sweet natural gas and sulphur, the work-ing life that also can reduce reaction boiler tube.
In order to address the above problem, generally all to take the ratio of proportioning raw materials sulphur excessive 5-10% to solve the problems referred to above, and after reaction completes, also need this part excessive molten sulfur to reclaim and re-use.But owing to often containing a small amount of dithiocarbonic anhydride and hydrogen sulfide in molten sulfur, can not directly deliver in the storage tank of molten sulfur and re-use, therefore need to carry out separating treatment to it.Separation method conventional in prior art is: (as shown in Figure 1) molten sulfur, after sulphur separator is separated, stands the flash distillation of sulphur device to sulphur flasher, by flash distillation, molten sulfur and dithiocarbonic anhydride, hydrogen sulfide is separated; Molten sulfur is recovered in molten sulfur storage tank and re-starts utilization from flasher bottom, and dithiocarbonic anhydride and hydrogen sulfide enter liquid packing, by liquid packing, reclaim dithiocarbonic anhydride, sulfureted hydrogen burning discharge.But this separate mode also exists following shortcoming: one, in flasher, the carbon disulfide gas in molten sulfur and hydrogen sulfide are by Spontaneous release in flasher, and the gas being contained in molten sulfur cannot discharge completely, and the recovery of leading dithiocarbonic anhydride is incomplete.The temperature of the mixed gas two, obtaining through flash distillation (carbon disulfide gas and hydrogen sulfide) is 120 ℃ of left and right, in by water seal removal process, water temperature can increase, and the boiling point of dithiocarbonic anhydride is 46.5 ℃, the increase of water temperature causes the dithiocarbonic anhydride can not total condensation, and then causes the recovering effect of dithiocarbonic anhydride poor.Three, employing and water mixing condensation reclaim dithiocarbonic anhydride and can produce sewage, and the discharge of sewage pollutes the environment equally.
Utility model content
The purpose of this utility model is to overcome the above-mentioned problems in the prior art, a kind of tripping device for process for preparation of CS 2 molten sulfur is provided, the utility model can be separated dithiocarbonic anhydride and hydrogen sulfide fully from molten sulfur, and the dithiocarbonic anhydride of separating is recycled; Can also solve the problem of sewage pollution environment in prior art simultaneously.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of tripping device for process for preparation of CS 2 molten sulfur, it is characterized in that: comprise separating tank and drainer, described separating tank top is provided with molten sulfur import and pneumatic outlet, bottom is provided with molten sulfur vent pipe, in described separating tank, be fixedly installed steam heating coil, described steam heating coil is positioned at molten sulfur import below; Described drainer bottom is connected with drain pipe, top is provided with vapor pipe, in described drainer, is fixedly installed jacket pipe, and described jacket pipe comprises inner tube and the outer tube circulating for water coolant, one end of described inner tube communicates with pneumatic outlet, and the other end communicates with vapor pipe.
On the inwall of described separating tank, be fixedly installed overflow weir, described overflow weir is corresponding with molten sulfur import, and overflow weir is positioned at the top of steam heating coil.
Described jacket pipe is coil arrangement.
The side wall upper part of described drainer is provided with the entrance of cooling water being communicated with jacket pipe upper end, and lower sidewall is provided with the cooling water outlet being communicated with jacket pipe lower end.
On the sidewall of described separating tank, be provided with and steam inlet and condensed water discharge outlet, the upper end of described steam heating coil is connected with steam inlet, and lower end is connected with condensed water discharge outlet.
Described molten sulfur vent pipe comprises the pipeline of a horizontal positioned, on this pipeline, be fixedly connected with an inverted-loop tube and three valves, described inverted-loop tube is erected at the top of pipeline, one of them valve is arranged between two junctions of inverted-loop tube and molten sulfur vent pipe, and another two valves are arranged on the both sides of inverted-loop tube.
Described drainer is fixed on separating tank top by bracing frame, and one end of bracing frame is fixed on the bottom of drainer, and the other end is fixed on the top of separating tank.
Employing the utility model has the advantage of:
One, in the utility model, because molten sulfur import is arranged on the top of steam heating coil, molten sulfur is from top to bottom through steam heating coil, therefore can continuous heating molten sulfur by steam heating coil, make dithiocarbonic anhydride and hydrogen sulfide in molten sulfur become upwards outflow of gas, thereby the dithiocarbonic anhydride in molten sulfur and hydrogen sulfide are separated fully.In addition, in jacket pipe, mobile water coolant has not only guaranteed cooling temperature, also avoided dithiocarbonic anhydride directly to contact with water coolant, therefore adopt the type of cooling of jacket pipe can prevent that carbon disulfide gas from discharging with hydrogen sulfide, when guaranteeing the recovery of carbon disulfide gas total condensation, solved the problem of the easy contaminate environment of sewage in prior art.
Two, in the utility model, on the inwall of described separating tank, be fixedly installed overflow weir, by overflow weir, make molten sulfur as waterfall, flow through constantly, equably steam heating coil from top to bottom, be conducive to cmpletely the dithiocarbonic anhydride in molten sulfur and hydrogen sulfide be separated, this structure guarantees that the separating effect of molten sulfur is better.
Three, in the utility model, described jacket pipe is coil arrangement, and this structure can continue condensation to carbon disulfide gas, guarantees better to the condensation effect of carbon disulfide gas, can prevent that carbon disulfide gas from discharging with hydrogen sulfide.
Four, in the utility model, the side wall upper part of described drainer is provided with the entrance of cooling water being communicated with jacket pipe upper end, and lower sidewall is provided with the cooling water outlet being communicated with jacket pipe lower end, and this structure further guarantees the condensation effect of water coolant to dithiocarbonic anhydride.
Five, in the utility model, on the sidewall of described separating tank, be provided with and steam inlet and condensed water discharge outlet, the upper end of described steam heating coil is connected with steam inlet, lower end is connected with condensed water discharge outlet, this structure can flow out condensed water of condensation fast, guarantees that steam heating coil is better to the heats of molten sulfur.
Six, in the utility model, the top of described molten sulfur vent pipe is fixedly connected with an inverted-loop tube, by the equal principle of same pipeline liquid level, by inverted-loop tube, make can keep at any time a certain amount of molten sulfur in molten sulfur vent pipe, be conducive to prevent that air from entering separating tank.
Seven, in the utility model, described drainer is fixed on separating tank top by bracing frame, and this structure is conducive to reduce the space hold of whole tripping device.
Accompanying drawing explanation
Fig. 1 is the structural representation of molten sulfur tripping device in prior art;
Fig. 2 is structural representation of the present utility model;
Being labeled as in figure: 1, separating tank, 2, molten sulfur import, 3, pneumatic outlet, 4, molten sulfur vent pipe, 5, steam heating coil, 6, drainer, 7, drain pipe, 8, vapor pipe, 9, jacket pipe, 10, overflow weir, 11, entrance of cooling water, 12, cooling water outlet, 13, steam inlet, 14, condensed water discharge outlet, 15, inverted-loop tube, 16, bracing frame.
Embodiment
Embodiment 1
A kind of tripping device for process for preparation of CS 2 molten sulfur, comprise separating tank 1 and drainer 6, described separating tank 1 top is provided with molten sulfur import 2 and pneumatic outlet 3, bottom is provided with molten sulfur vent pipe 4, in described separating tank 1, be fixedly installed steam heating coil 5, described steam heating coil 5 is positioned at molten sulfur import 2 belows; Described drainer 6 bottoms are connected with drain pipe 7, top is provided with vapor pipe 8, in described drainer 6, be fixedly installed jacket pipe 9, jacket pipe 9 is coil arrangement, jacket pipe 9 comprises for the inner tube of gas communication with for the outer tube of water coolant circulation, one end of described inner tube communicates with pneumatic outlet 3, and the other end communicates with vapor pipe 8.
In the present embodiment, pneumatic outlet 3 on described separating tank 1 is communicated with the bottom of drainer 6 by pipeline, one end of described inner tube is positioned at drainer 6 bottoms, import as carbon disulfide gas and hydrogen sulfide, the other end is positioned at drainer 6 tops and communicates with vapor pipe 8, for discharging hydrogen sulfide.
The preferred implementation of the present embodiment is, the side wall upper part of described drainer 6 is provided with the entrance of cooling water 11 being communicated with jacket pipe 9 upper ends, and lower sidewall is provided with the cooling water outlet 12 being communicated with jacket pipe 9 lower ends.Wherein, in order to guarantee the condensation effect to carbon disulfide gas, the temperature of described water coolant is lower than 5 degree.
Further, be provided with and steam inlet 13 and condensed water discharge outlet 14 on the sidewall of described separating tank 1, the upper end of described steam heating coil 5 is connected with steam inlet 13, and lower end is connected with condensed water discharge outlet 14.
In the present embodiment, when the dithiocarbonic anhydride in separated molten sulfur and hydrogen sulfide, vapor pressure in steam heating coil 5 remains on 0.3-0.4Mpa, makes the steam heating coil 5 can continuous heating molten sulfur, and the dithiocarbonic anhydride in molten sulfur and hydrogen sulfide are become to gas upwards flows out.
Embodiment 2
A kind of tripping device for process for preparation of CS 2 molten sulfur, comprise separating tank 1 and drainer 6, described separating tank 1 top is provided with molten sulfur import 2 and pneumatic outlet 3, bottom is provided with molten sulfur vent pipe 4, in described separating tank 1, be fixedly installed steam heating coil 5 and overflow weir 10, described overflow weir 10 is corresponding with molten sulfur import 2, and overflow weir 10 is positioned at the top of steam heating coil 5; Described drainer 6 bottoms are connected with drain pipe 7, top is provided with vapor pipe 8, in described drainer 6, be fixedly installed jacket pipe 9, jacket pipe 9 is coil arrangement, jacket pipe 9 comprises for the inner tube of gas communication with for the outer tube of water coolant circulation, one end of described inner tube communicates with pneumatic outlet 3, and the other end communicates with vapor pipe 8.
In the present embodiment, described overflow weir 10 is by hollow cylinder lower end outward, and by kink, be fixed on the circular overflow weir 10 forming on separating tank 1 inwall, so that liquid can be continued to flow through equably steam heating coil 5 by sulphur, thereby guarantee dithiocarbonic anhydride and hydrogen sulfide in abundant fully separated molten sulfur.
Embodiment 3
A kind of tripping device for process for preparation of CS 2 molten sulfur, comprise separating tank 1 and drainer 6, described separating tank 1 top is provided with molten sulfur import 2 and pneumatic outlet 3, bottom is provided with molten sulfur vent pipe 4, described molten sulfur vent pipe 4 comprises the pipeline of a horizontal positioned, on this pipeline, be provided with three valves, and be vertically connected with an inverted-loop tube 15 on the outside surface top of this pipeline, one of them valve is arranged between two junctions of inverted-loop tube 15 and molten sulfur vent pipe 4, another two valves are arranged on the both sides of inverted-loop tube 15, be used for preventing that air from entering separating tank 1 by molten sulfur vent pipe 4.In described separating tank 1, be fixedly installed steam heating coil 5, described steam heating coil 5 is positioned at molten sulfur import 2 belows; Described drainer 6 bottoms are connected with drain pipe 7, top is provided with vapor pipe 8, in described drainer 6, be fixedly installed jacket pipe 9, jacket pipe 9 is coil arrangement, jacket pipe 9 comprises for the inner tube of gas communication with for the outer tube of water coolant circulation, one end of described inner tube communicates with pneumatic outlet 3, and the other end communicates with vapor pipe 8.
Embodiment 4
A kind of tripping device for process for preparation of CS 2 molten sulfur, comprise separating tank 1 and drainer 6, described separating tank 1 top is provided with molten sulfur import 2 and pneumatic outlet 3, bottom is provided with molten sulfur vent pipe 4, in described separating tank 1, be fixedly installed steam heating coil 5, described steam heating coil 5 is positioned at molten sulfur import 2 belows; Described drainer 6 bottoms are connected with drain pipe 7, top is provided with vapor pipe 8, in described drainer 6, be fixedly installed jacket pipe 9, jacket pipe 9 is coil arrangement, jacket pipe 9 comprises for the inner tube of gas communication with for the outer tube of water coolant circulation, one end of described inner tube communicates with pneumatic outlet 3, and the other end communicates with vapor pipe 8.
The preferred implementation of the present embodiment is, described drainer 6 is fixed on separating tank 1 top by bracing frame 16, and one end of bracing frame 16 is fixed on the bottom of drainer 6, and the other end is fixed on the top of separating tank 1.The space hold of whole tripping device that adopted such Structure Decreasing, is conducive to save plant area.
Principle of work of the present utility model is: molten sulfur is after sulphur separator is separated, by molten sulfur import 2, enter in the overflow weir 10 in flash steam, when the liquid level of molten sulfur is during higher than overflow weir 10, molten sulfur flows to steam heating coil 5 constantly, equably from top to bottom, in steam heating coil 5, pass into the steam that pressure is 0.3-0.4Mpa, top-down molten sulfur is through steam heating coil 5 ebuillition of heated, dithiocarbonic anhydride and hydrogen sulfide in molten sulfur become gas, and by pneumatic outlet 3, enter the inner tube of jacket pipe 9.Enter after inner tube, carbon disulfide gas and hydrogen sulfide move upward along inner tube, now, carbon disulfide gas is become liquid by the cooling water condensation in outer tube, under the effect of gravity, along inner tube, flow to drainer 6 bottoms, and discharge by drain pipe 7, hydrogen sulfide continues to move upward, and discharges by vapor pipe 8.
Claims (7)
1. the tripping device for process for preparation of CS 2 molten sulfur, it is characterized in that: comprise separating tank (1) and drainer (6), described separating tank (1) top is provided with molten sulfur import (2) and pneumatic outlet (3), bottom is provided with molten sulfur vent pipe (4), in described separating tank (1), be fixedly installed steam heating coil (5), described steam heating coil (5) is positioned at molten sulfur import (2) below; Described drainer (6) bottom is connected with drain pipe (7), top is provided with vapor pipe (8), in described drainer (6), be fixedly installed jacket pipe (9), described jacket pipe (9) comprises inner tube and the outer tube circulating for water coolant, one end of described inner tube communicates with pneumatic outlet (3), and the other end communicates with vapor pipe (8).
2. a kind of tripping device for process for preparation of CS 2 molten sulfur as claimed in claim 1, it is characterized in that: on the inwall of described separating tank (1), be fixedly installed overflow weir (10), described overflow weir (10) is corresponding with molten sulfur import (2), and overflow weir (10) is positioned at the top of steam heating coil (5).
3. a kind of tripping device for process for preparation of CS 2 molten sulfur as claimed in claim 1 or 2, is characterized in that: described jacket pipe (9) is coil arrangement.
4. a kind of tripping device for process for preparation of CS 2 molten sulfur as claimed in claim 3, it is characterized in that: the side wall upper part of described drainer (6) is provided with the entrance of cooling water (11) being communicated with jacket pipe (9) upper end, lower sidewall is provided with the cooling water outlet (12) being communicated with jacket pipe (9) lower end.
5. a kind of tripping device for process for preparation of CS 2 molten sulfur as claimed in claim 1, it is characterized in that: on the sidewall of described separating tank (1), be provided with and steam inlet (13) and condensed water discharge outlet (14), the upper end of described steam heating coil (5) is connected with steam inlet (13), and lower end is connected with condensed water discharge outlet (14).
6. a kind of tripping device for process for preparation of CS 2 molten sulfur as described in claim 1,2 or 5, it is characterized in that: described molten sulfur vent pipe (4) comprises the pipeline of a horizontal positioned, on this pipeline, be fixedly connected with an inverted-loop tube (15) and three valves, described inverted-loop tube (15) is erected at the top of pipeline, one of them valve is arranged between inverted-loop tube (15) and two junctions of molten sulfur vent pipe (4), and another two valves are arranged on the both sides of inverted-loop tube (15).
7. a kind of tripping device for process for preparation of CS 2 molten sulfur as claimed in claim 1, it is characterized in that: described drainer (6) is fixed on separating tank (1) top by bracing frame (16), one end of bracing frame (16) is fixed on the bottom of drainer (6), and the other end is fixed on the top of separating tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420317455.1U CN203959827U (en) | 2014-06-16 | 2014-06-16 | Tripping device for process for preparation of CS 2 molten sulfur |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420317455.1U CN203959827U (en) | 2014-06-16 | 2014-06-16 | Tripping device for process for preparation of CS 2 molten sulfur |
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| CN203959827U true CN203959827U (en) | 2014-11-26 |
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| CN201420317455.1U Expired - Fee Related CN203959827U (en) | 2014-06-16 | 2014-06-16 | Tripping device for process for preparation of CS 2 molten sulfur |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108298539A (en) * | 2018-04-10 | 2018-07-20 | 上海东庚设备工程技术有限公司 | A kind of sulphur high temperature condensation separator for during carbon disulphide production |
| CN108483446A (en) * | 2018-04-10 | 2018-09-04 | 上海东庚设备工程技术有限公司 | The separation method and system of excessive sulphur during a kind of carbon disulphide production |
-
2014
- 2014-06-16 CN CN201420317455.1U patent/CN203959827U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108298539A (en) * | 2018-04-10 | 2018-07-20 | 上海东庚设备工程技术有限公司 | A kind of sulphur high temperature condensation separator for during carbon disulphide production |
| CN108483446A (en) * | 2018-04-10 | 2018-09-04 | 上海东庚设备工程技术有限公司 | The separation method and system of excessive sulphur during a kind of carbon disulphide production |
| CN108483446B (en) * | 2018-04-10 | 2021-12-10 | 上海东庚化工技术有限公司 | Method and system for separating excessive sulfur in carbon disulfide production process |
| CN108298539B (en) * | 2018-04-10 | 2024-02-27 | 上海东庚化工技术有限公司 | Sulfur high-temperature condensation separator used in carbon disulfide production process |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20200616 |
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| CF01 | Termination of patent right due to non-payment of annual fee |