CN201089722Y - Device for preparing sulfur hexafluoride - Google Patents
Device for preparing sulfur hexafluoride Download PDFInfo
- Publication number
- CN201089722Y CN201089722Y CNU2007200968249U CN200720096824U CN201089722Y CN 201089722 Y CN201089722 Y CN 201089722Y CN U2007200968249 U CNU2007200968249 U CN U2007200968249U CN 200720096824 U CN200720096824 U CN 200720096824U CN 201089722 Y CN201089722 Y CN 201089722Y
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- reactor
- sulfur hexafluoride
- sulfur
- fluorine gas
- molten sulphur
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Abstract
The utility model discloses a device for preparing sulfur hexafluoride, comprising a sulfur melting furnace, wherein, a sulfur inlet is arranged on the upper end of the sulfur melting furnace; a discharge opening is arranged on the lower end of the sulfur melting furnace; the sulfur melting furnace and a reactor are separately arranged and communicated with each other through a pipe; a fluorine gas inlet and a sulfur hexafluoride outlet are respectively arranged on a shell of the reactor; two partition boards are arranged inside the reactor; heating devices are arranged on the circumference of a shell of the sulfur melting furnace and the pipe and the lower part of the reactor; a cooling jacket is arranged on the upper part of the reactor. By utilization of the utility model for preparing the sulfur hexafluoride, charging operation is convenient; the reaction is stable; fluorine gas conversion rate is more than 95 percents; the reactor can bear large pressure fluctuation and the pipe is difficult to block, etc.
Description
Technical field
The utility model belongs to the reaction unit of a kind of fluorine gas and sulphur gas liquid reaction generation sulfur hexafluoride, is specifically related to a kind of device for preparing sulfur hexafluoride.
Background technology
Sulfur hexafluoride is widely used in the dielectric in semi-conductor industry, various High-Voltage Electrical Appliances and the electronics.The preparation method of sulfur hexafluoride has multiple, but is used for the method for having only element fluorine and elemental sulfur reaction basically of suitability for industrialized production.The reaction unit form of the preparation sulfur hexafluoride of prior art has multiple, and present most of producers adopt typical reaction unit.
As shown in Figure 1, the reaction unit of the preparation sulfur hexafluoride of prior art comprises molten sulphur device 1, inside at molten sulphur device 1 is provided with liquid baffle plate 6 and gas baffle 10, be provided with sulphur in a side of an end of molten sulphur device 1, liquid baffle plate 6 and add inlet 2, opposite side in liquid bulkhead 6 is provided with fluorine gas inlet 7, is provided with sulfur hexafluoride outlet 11 at the other end that melts sulphur device 1.Bottom at molten sulphur device 1 is provided with heating unit 4, respectively is provided with a thermometer 5 at the two ends, bottom of molten sulphur device 1, is provided with watercooling jacket 9 on the top of molten sulphur device 1.Form passage 3 between the bottom of molten sulphur device 1 and the liquid baffle plate 6.
The reaction process of the preparation sulfur hexafluoride of prior art is: sulphur (S) adds inlet 1 by sulphur and enters sulfur melting region A, and the sulphur after the liquefaction enters reaction zone B by passage 3, and heating unit 4 is kept sulphur liquefaction, and controls fluorine gas (F by thermometer 5
2) enter in the reaction zone B by fluorine gas inlet 7 and to react with sulphur, watercooling jacket 9 cools off, and gas baffle 10 reacts completely fluorine gas as far as possible, and the sulfur hexafluoride of generation enters the hypomere operation from exporting 11.
Above-mentioned reaction unit, though simple in structure, easy to operate, it is bigger to fluctuate during reaction, and the balance of reaction unit is poor, and the fluorine gas reaction is not exclusively, and separate unit reactor fluorine gas capacity is little, and the sulphur obstruction often takes place in the pipeline of reaction unit back.
Summary of the invention
The utility model proposes in order to overcome the shortcoming that exists in the prior art, and its objective is provides a kind of reaction unit of producing sulfur hexafluoride.The technical solution of the utility model is: a kind of device for preparing sulfur hexafluoride comprises molten sulphur device, be provided with the sulphur inlet in the upper end of molten sulphur device, lower end at molten sulphur device is provided with relief outlet, molten sulphur device communicates by pipeline and reactor, on reactor shell, be respectively arranged with fluorine gas inlet, sulfur hexafluoride outlet, be provided with two dividing plates at inside reactor.
It is downward-sloping that fluorine gas inlet is deep into an end of reactor, is not more than 30 ° with sea line angle α.
Around molten sulphur device housing and pipeline and the bottom of reactor be provided with heating unit.
Top at reactor is provided with watercooling jacket.Reactor adopts plain carbon stool.
Utilize the utility model to prepare sulfur hexafluoride, reinforced easy to operate, reacting balance, fluorine gas transformation efficiency are greater than 95%, and reactor can bear bigger pressure surge, and pipeline is difficult for stopping up etc.
Description of drawings
Fig. 1 is the device synoptic diagram of the preparation sulfur hexafluoride of prior art;
Fig. 2 is the device synoptic diagram of preparation sulfur hexafluoride of the present utility model.
Wherein:
1 molten sulphur device 2 sulphur add inlet
3 passages, 4 heating units
5 thermometers, 6 liquid baffle plates
7 fluorine gas, 9 watercooling jackets that enter the mouth
The outlet of 10 gas baffles, 11 sulfur hexafluorides
12 sulphur inlet, 13 molten sulphur devices
14 pipelines, 15 reactors
16 fluorine gas, 17 dividing plates that enter the mouth
18 sulfur hexafluorides export 19 heating units
20 thermometers, 21 watercooling jackets
22 cold water inlets, 23 cooling water inlets
24 relief outlets
A, C sulfur melting region B, D reaction zone
Embodiment
With embodiment the device of preparation sulfur hexafluoride of the present utility model is elaborated with reference to the accompanying drawings:
As shown in Figure 2, a kind of preparation sulfur hexafluoride device of the present utility model comprises molten sulphur device 12, is provided with sulphur inlet 13 in the upper end of molten sulphur device 12, is provided with thermometer 20 at the middle part of molten sulphur device 12, is provided with in the lower end of molten sulphur device 12 and discharges 24.Molten sulphur device 12 and reactor were arranged and communicated by pipeline 14 in 15 minutes, were respectively arranged with fluorine gas inlet 16, sulfur hexafluoride outlet 18 on reactor 15 housings, were respectively arranged with dividing plate 17, thermometer 20 in reactor 15 inside.It is downward-sloping that wherein fluorine gas inlet 16 is deep into an end of reactor 15, is not more than 30 ° with sea line angle α.Around molten sulphur device 12 housings and pipeline 14 and the bottom of reactor 15 be provided with heating unit 19, heating unit 19 can adopt commercial heating watt.Be provided with watercooling jacket 21 on the top of reactor 15, watercooling jacket 21 is provided with cooling water inlet 22 and cooling water outlet 23.
The reaction process that the utility model prepares sulfur hexafluoride is: solid sulphur (S) 12 enters sulfur melting region C by entering the mouth, and fused sulphur enters reaction zone D by pipeline 14.At sulfur melting region C, temperature is controlled at 120～160 ℃, and optimum temps is controlled at 125～135 ℃; The temperature of circulation duct 14 is controlled at 120～150 ℃, and optimum control is at 125～135 ℃; Reaction zone D internal temperature is 120～150 ℃, and optimum control is at 125～140 ℃.
Fluorine gas (F
2) 16 enter in the reaction zone D sulphur (S) and fluorine gas (F by entering the mouth
2) carry out chemical reaction, the sulfur hexafluoride (SF of generation
6) enter the hypomere operation from outlet conduit 18.
The inlet pressure of reaction zone D is that normal pressure is to negative pressure 10kpa (pressure of electrolysis fluorine gas is negative pressure usually).In reaction was carried out, the liquid level of reaction zone D was according to the pressure-controlling of fluorine gas inlet tube 16 or sulfur hexafluoride outlet conduit 18.According to liquid level height and reactor 15 inlets or top hole pressure interpolation sulphur.
Utilize the sulfur hexafluoride (SF of the utility model preparation
6), each component concentration sees Table 1
Table 1 reactor outlet sulfur hexafluoride and other component concentration
| Component | SF 6(sulfur hexafluoride) | HF (hydrogen fluoride) | O 2(oxygen) | N 2(nitrogen) | F 2(fluorine gas) | SOF 2(Thionyl difluoride) | SO 2F 2(sulfuryl fluoride) |
| Content | ＞95％ | ＜0.5％ | ＜1％ | ＜2％ | ＜1％ | ＜300ppm | ＜100ppm |
Utilize the utility model to prepare sulfur hexafluoride, reinforced easy to operate, reacting balance, fluorine gas transformation efficiency are greater than 95%, and reactor can bear bigger pressure surge, and pipeline is difficult for stopping up etc.
Claims (5)
1. device for preparing sulfur hexafluoride, comprise molten sulphur device (12) and reactor (15), it is characterized in that: be provided with sulphur inlet (13) in the upper end of molten sulphur device (12), lower end at molten sulphur device (12) is provided with relief outlet (24), molten sulphur device (12) and reactor (15) branch are arranged, also communicate by pipeline (14), on reactor (15) housing, be respectively arranged with fluorine gas inlet (16), sulfur hexafluoride outlet (18), be provided with two dividing plates (17) in reactor (15) inside.
2. a kind of device for preparing sulfur hexafluoride according to claim 1 is characterized in that: it is downward-sloping that fluorine gas inlet (16) is deep into an end of reactor (15), is not more than 30 ° with sea line angle α.
3. a kind of device for preparing sulfur hexafluoride according to claim 1 is characterized in that: around molten sulphur device (12) housing and pipeline (14) and the bottom of reactor (15) be provided with heating unit (19).
4. a kind of device for preparing sulfur hexafluoride according to claim 1 is characterized in that: be provided with watercooling jacket (21) on the top of reactor (15).
5. a kind of device for preparing sulfur hexafluoride according to claim 1 is characterized in that: reactor (15) adopts plain carbon stool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200968249U CN201089722Y (en) | 2007-07-20 | 2007-07-20 | Device for preparing sulfur hexafluoride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200968249U CN201089722Y (en) | 2007-07-20 | 2007-07-20 | Device for preparing sulfur hexafluoride |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201089722Y true CN201089722Y (en) | 2008-07-23 |
Family
ID=39861480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200968249U Expired - Lifetime CN201089722Y (en) | 2007-07-20 | 2007-07-20 | Device for preparing sulfur hexafluoride |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201089722Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101955165A (en) * | 2010-10-18 | 2011-01-26 | 天津市泰旭物流有限公司 | Technology for producing sulfur hexafluoride by utilizing fluorine and molten sulfur surface contact reaction method |
| CN101973529A (en) * | 2010-10-18 | 2011-02-16 | 天津市泰旭物流有限公司 | Technology for producing sulfur hexafluoride through reaction of fluorine and steam of sulfur in jet reactor |
| CN102031533A (en) * | 2011-01-10 | 2011-04-27 | 洛阳福盛德电子制品有限公司 | Waste heat utilization device used in production of sulfur hexafluoride and heat circulation method |
| CN103449525A (en) * | 2013-08-30 | 2013-12-18 | 核工业理化工程研究院华核新技术开发公司 | Preparation method of molybdenum hexafluoride |
-
2007
- 2007-07-20 CN CNU2007200968249U patent/CN201089722Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101955165A (en) * | 2010-10-18 | 2011-01-26 | 天津市泰旭物流有限公司 | Technology for producing sulfur hexafluoride by utilizing fluorine and molten sulfur surface contact reaction method |
| CN101973529A (en) * | 2010-10-18 | 2011-02-16 | 天津市泰旭物流有限公司 | Technology for producing sulfur hexafluoride through reaction of fluorine and steam of sulfur in jet reactor |
| CN102031533A (en) * | 2011-01-10 | 2011-04-27 | 洛阳福盛德电子制品有限公司 | Waste heat utilization device used in production of sulfur hexafluoride and heat circulation method |
| CN102031533B (en) * | 2011-01-10 | 2013-04-10 | 洛阳福盛德电子制品有限公司 | Waste heat utilization device used in production of sulfur hexafluoride and heat circulation method |
| CN103449525A (en) * | 2013-08-30 | 2013-12-18 | 核工业理化工程研究院华核新技术开发公司 | Preparation method of molybdenum hexafluoride |
| CN103449525B (en) * | 2013-08-30 | 2015-05-13 | 核工业理化工程研究院华核新技术开发公司 | Preparation method of molybdenum hexafluoride |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TIANJIN CHANGLU HUAXIN CHEMICAL INDUSTRY CO., LTD. Free format text: FORMER OWNER: RESEARCH INSTITUTE OF PHYSICAL AND CHEMICAL ENGINEERING OF NUCLEAR INDUSTRY HUAH Effective date: 20150515 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 300180 HEDONG, TIANJIN TO: 300280 BINHAI NEW DISTRICT, TIANJIN |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150515 Address after: Comprehensive service area Nangang Industrial Zone Development Zone 300280 Tianjin Binhai New Area Office Building second floor D building site 216 Patentee after: Huahe New-Technology Development Company, Research Institute of Physical and Chemical Engineering of Nuclear Industry Address before: 300180 Hedong District, Tianjin Jintang Road, No. 168 Patentee before: Huahe New Technology Development Company, Research Institute of Physical and Chemical Engineering of Nuclear Industry |
|
| CX01 | Expiry of patent term |
Granted publication date: 20080723 |
|
| CX01 | Expiry of patent term |