CN201648006U - Trichlorosilane synthetic furnace - Google Patents
Trichlorosilane synthetic furnace Download PDFInfo
- Publication number
- CN201648006U CN201648006U CN2010200132120U CN201020013212U CN201648006U CN 201648006 U CN201648006 U CN 201648006U CN 2010200132120 U CN2010200132120 U CN 2010200132120U CN 201020013212 U CN201020013212 U CN 201020013212U CN 201648006 U CN201648006 U CN 201648006U
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- middle casing
- synthetic furnace
- heat conduction
- trichlorosilane synthetic
- tubesheet
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Abstract
The utility model discloses a trichlorosilane synthetic furnace, which comprises a furnace body. The furnace body comprises an upper seal head, a middle shell and a lower seal head, wherein a closed chamber is formed in the furnace body, a silica powder inlet, a feed gasin and a synthesis gas outlet are arranged on the middle shell, and a plurality of heat conduction oil tube nests are arranged in the middle shell. The utility model adopts heat conduction oil to preheat silica powder and reduce the temperature, and has stable starting, simple operation and low equipment investment. During the production operation, the heat conduction oil enters an exhaust heat boiler to make full use of the heat, and thereby reducing the comprehensive energy consumption of the trichlorosilane production.
Description
Technical field
The utility model relates to a kind of chemical industry equipment, relates in particular to a kind of trichlorosilane synthetic furnace, belongs to the chemical industry equipment field.
Background technology
With regard to the technical equipment of trichlorosilane production, the trichlorosilane factory majority of up to the present having gone into operation still adopts the twentieth century production technology of the 1970s and 1980s.In the trichlorosilane industry, separate unit stove year maximum productivity is no more than 10000T/a at present, and all manufacturers all reach the purpose that increases output by skinny device, many covers.The size characteristics of small-sized trichlorosilane synthetic furnace is: direct tube section: inside diameter D=800～1400mm, this type of stove separate unit ability is little, the needs of incompatibility scale operation, and the constructional feature of this synthetic furnace is its top feed from body of heater, cause transformation efficiency lower, the instability of hardening, and difference variation is bigger, especially the technical Artificial Control that adopts causes high material consumption, high pollution more.
The utility model content
Problem to be solved in the utility model provides a kind of production efficiency height, cut down the consumption of energy and trichlorosilane synthetic furnace that output is big.
For addressing the above problem, the utility model institute by the following technical solutions:
A kind of trichlorosilane synthetic furnace, comprise body of heater, described body of heater comprises upper cover, middle casing and lower cover, form airtight chamber in the described body of heater, on middle casing, be provided with silica flour import, raw material gas inlet and syngas outlet, it is characterized in that: be provided with some thermal oil tubulations in the described middle casing.
Below be the utility model for further improvement of these options:
Described thermal oil tubulation is fitted together by interior pipe and outer tube sleeve and constitutes, and forms the heat conduction oil pocket between interior pipe and the outer tube, and described interior pipe and outer tube are communicated with in the bottom.
As further improvement:
Be provided with upper tubesheet between described upper cover and the middle casing, in middle casing, be provided with lower tubesheet, the chamber of described middle casing between upper tubesheet and lower tubesheet is the heat conduction grease chamber, one side of heat conduction grease chamber is provided with the thermal oil outlet, on upper cover, be provided with heat conductive oil inlet, the interior pipe of described thermal oil tubulation stretches out from lower tubesheet and is connected with upper tubesheet and is communicated with heat conductive oil inlet, and the outer tube of described thermal oil tubulation is connected with lower tubesheet makes the heat conduction oil pocket be communicated with the heat conduction grease chamber.
Further improve:
The position that is positioned at the top of raw material gas inlet in the described middle casing is equipped with grid distributor, and described silica flour import is arranged on the top position of grid distributor.
Several pressure tap and temperature-measuring port are installed on middle casing.
Described middle casing comprises straight length, transition section and the expanding reach that connects successively from top to bottom.
The internal diameter of described straight length is that the internal diameter of 1800mm, described expanding reach is 3800mm.
The height of described expanding reach is 2500mm, and the height of transition section is 2000mm.
Principle of work of the present utility model is: exsiccant HCL gas enters from raw material gas inlet, carries out fluidized reaction through behind the grid distributor with silica flour.Because reaction is thermopositive reaction, adopting needs thermal oil to enter to lower the temperature.The synthetic gas that reaction generates enters the subsequent disposal system by syngas outlet.There are a plurality of points for measuring temperature and pressure tap to monitor in the synthetic furnace simultaneously, detect Controlling System and adopt automatization DCS control.
The utility model adopts such scheme, has the following advantages:
1, increased its single device production capacity, the separate unit yearly capacity can reach 15000 tons;
2, the utility model can adopt DCS control, not only significantly reduces operator's quantity and labour intensity, has also improved operation stability of equipment greatly;
3, the utility model adopts thermal oil preheating silica flour and cooling, starts steadily, and simple to operate, facility investment is low.In production run, thermal oil advances waste heat boiler makes full use of heat, reduces the comprehensive energy consumption that trichlorosilane is produced.
4, each qualifying point controlled variable of the utility model is reasonable, not only accomplishes to take out of the silica flour reuse, has also avoided bag filter, condenser etc. that phenomenon of blocking takes place and has taken place.
5, the utility model can adopt the mode of continuous charging to produce, and not only helps the steady running of synthetic furnace, has also improved the production efficiency of synthetic furnace.
The utility model is described in further detail below in conjunction with drawings and Examples:
Description of drawings
Accompanying drawing is the structural representation of the utility model embodiment.
Among the figure: the 1-upper cover; The 2-heat conductive oil inlet; The 3-upper tubesheet; The outlet of 4-thermal oil; The 5-lower tubesheet; The 6-temperature-measuring port; The 7-pressure tap; The 8-syngas outlet; 9-thermal oil tubulation; The 10-expanding reach; The 11-transition section; The 12-straight length; The 13-slag-drip opening; The import of 14-silica flour; The 15-grid distributor; The 16-raw material gas inlet; The 17-lower cover.
Embodiment
Embodiment, as shown in the figure, a kind of trichlorosilane synthetic furnace, comprise body of heater, described body of heater comprises upper cover 1, middle casing and lower cover 17, form airtight chamber in the described body of heater, on middle casing, be provided with silica flour import 14, raw material gas inlet 16 and syngas outlet 8, be provided with some in the described middle casing and be fitted together the thermal oil tubulation 9 that constitutes by interior pipe and outer tube sleeve, form the heat conduction oil pocket between interior pipe and the outer tube, pipe and outer tube are communicated with in the bottom in described, be provided with upper tubesheet 3 between described upper cover 1 and the middle casing, in middle casing, be provided with lower tubesheet 5, the chamber of described middle casing between upper tubesheet 3 and lower tubesheet 5 is the heat conduction grease chamber, one side of heat conduction grease chamber is provided with thermal oil outlet 4, on upper cover 1, be provided with heat conductive oil inlet 2, the interior pipe of described thermal oil tubulation 9 stretches out from lower tubesheet 5 and is connected with upper tubesheet 3 and is communicated with heat conductive oil inlet 2, the outer tube of described thermal oil tubulation 9 is connected with lower tubesheet 5 makes the heat conduction oil pocket be communicated with the heat conduction grease chamber, the position that is positioned at the top of raw material gas inlet 16 in the described middle casing is equipped with grid distributor 15, described silica flour import 14 is arranged on the top position of grid distributor 15, two pressure tap 7 and five temperature-measuring ports 6 are installed on middle casing, and described middle casing comprises the straight length 12 that connects successively from top to bottom, transition section 11 and expanding reach 10.The internal diameter of described straight length 12 is that the internal diameter of 1800mm, described expanding reach 10 is 3800mm, be provided with slag-drip opening 13 in the bottom of straight length, the height of described expanding reach 10 is 2500mm, the height of transition section 11 is 2000mm, after the utility model adopted the said structure size, the separate unit annual capacity can reach 15000 tons.
During work, exsiccant HCL gas enters from raw material gas inlet 16, carry out fluidized reaction through grid distributor 15 backs with the silica flour that enters from silica flour import 14, the synthetic gas that reaction generates enters the subsequent disposal system by syngas outlet 8, there are a plurality of points for measuring temperature and pressure tap to monitor in the synthetic furnace simultaneously, detect Controlling System and adopt automatization DCS control.
Because above-mentioned reaction is thermopositive reaction, the utility model adopts the mode that is provided with thermal oil tubulation 9 in middle casing to lower the temperature, and in production run, thermal oil advances waste heat boiler makes full use of heat, reduces the comprehensive energy consumption that trichlorosilane is produced.
Claims (8)
1. trichlorosilane synthetic furnace, comprise body of heater, described body of heater comprises upper cover (1), middle casing and lower cover (17), form airtight chamber in the described body of heater, on middle casing, be provided with silica flour import (14), raw material gas inlet (16) and syngas outlet (8), it is characterized in that: be provided with some thermal oil tubulations (9) in the described middle casing.
2. a kind of trichlorosilane synthetic furnace according to claim 1 is characterized in that: described thermal oil tubulation (9) is fitted together by interior pipe and outer tube sleeve and constitutes, and forms the heat conduction oil pocket between interior pipe and the outer tube, and described interior pipe and outer tube are communicated with in the bottom.
3. a kind of trichlorosilane synthetic furnace according to claim 2, it is characterized in that: be provided with upper tubesheet (3) between described upper cover (1) and the middle casing, in middle casing, be provided with lower tubesheet (5), the chamber that described middle casing is positioned between upper tubesheet (3) and the lower tubesheet (5) is the heat conduction grease chamber, one side of heat conduction grease chamber is provided with thermal oil outlet (4), on upper cover (1), be provided with heat conductive oil inlet (2), the interior pipe of described thermal oil tubulation (9) stretches out from lower tubesheet (5) and is connected with upper tubesheet (3) and is communicated with heat conductive oil inlet (2), and the outer tube of described thermal oil tubulation (9) is connected with lower tubesheet (5) makes the heat conduction oil pocket be communicated with the heat conduction grease chamber.
4. a kind of trichlorosilane synthetic furnace according to claim 1, it is characterized in that: the position that is positioned at the top of raw material gas inlet (16) in the described middle casing is equipped with grid distributor (15), and described silica flour import (14) is arranged on the top position of grid distributor (15).
5. a kind of trichlorosilane synthetic furnace according to claim 1 is characterized in that: several pressure tap (7) and temperature-measuring port (6) are installed on middle casing.
6. a kind of trichlorosilane synthetic furnace according to claim 1 is characterized in that: described middle casing comprises straight length (12), transition section (11) and the expanding reach (10) that connects successively from top to bottom.
7. a kind of trichlorosilane synthetic furnace according to claim 6 is characterized in that: the internal diameter of described straight length (12) is that the internal diameter of 1800mm, described expanding reach (10) is 3800mm.
8. a kind of trichlorosilane synthetic furnace according to claim 6 is characterized in that: the height of described expanding reach (10) is 2500mm, and the height of transition section (11) is 2000mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200132120U CN201648006U (en) | 2010-01-04 | 2010-01-04 | Trichlorosilane synthetic furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200132120U CN201648006U (en) | 2010-01-04 | 2010-01-04 | Trichlorosilane synthetic furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201648006U true CN201648006U (en) | 2010-11-24 |
Family
ID=43113236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200132120U Expired - Lifetime CN201648006U (en) | 2010-01-04 | 2010-01-04 | Trichlorosilane synthetic furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201648006U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107619051A (en) * | 2017-09-20 | 2018-01-23 | 河南尚宇新能源股份有限公司 | A kind of method of trichlorosilane synthetic furnace and its volume increase consumption reduction |
-
2010
- 2010-01-04 CN CN2010200132120U patent/CN201648006U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107619051A (en) * | 2017-09-20 | 2018-01-23 | 河南尚宇新能源股份有限公司 | A kind of method of trichlorosilane synthetic furnace and its volume increase consumption reduction |
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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: SHANDONG XINLONG TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SHANDONG XINLONG SILICAS INDUSTRY SCIENCE AND TECHNOLOGY CO., LTD. Effective date: 20140208 |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 262700 WEIFANG, SHANDONG PROVINCE TO: 262709 WEIFANG, SHANDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140208 Address after: 262709 Wang Long Xinlong Industrial Park, Shouguang City, Shandong, Weifang Patentee after: Shandong Xinlong Technology Co., Ltd. Address before: 262700 New Dragon Industrial Zone, Shouguang City, Shandong Patentee before: Shandong Xinlong Silicas Industry Science and Technology Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101124 |
|
| CX01 | Expiry of patent term |