CN201250111Y - Reactor for preparing boron trifluoride gas - Google Patents
Reactor for preparing boron trifluoride gas Download PDFInfo
- Publication number
- CN201250111Y CN201250111Y CNU2008200751091U CN200820075109U CN201250111Y CN 201250111 Y CN201250111 Y CN 201250111Y CN U2008200751091 U CNU2008200751091 U CN U2008200751091U CN 200820075109 U CN200820075109 U CN 200820075109U CN 201250111 Y CN201250111 Y CN 201250111Y
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- reactor
- cylinder
- cylindrical shell
- sieve plate
- top cover
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Abstract
The utility model discloses a reactor for preparing boron trifluoride gas, which comprises a cylinder, a top cap and a screen plate, wherein the top portion of the cylinder is open, and is hermitically connected with the top cap through a flange, the screen plate is arranged on the lower end of the inner portion of the cylinder, a plurality of small holes are arranged on the screen plate, and the screen plate is supported by a bracket. A feed inlet is arranged on the top cover, and is hermetically connected with a blankoff flange through a flange, a fluorine gas inlet is arranged on the upper wall of the cylinder, an extract opening and a products outlet are respectively arranged on the lower wall of the cylinder, and a heating device is arranged on the periphery of the outer wall of the cylinder. A temperature measuring device is inserted inside the cylinder through the top cap. The reactor for preparing boron trifluoride gas has the advantages of stable reaction, easy control of reaction temperature, high fluorine gas conversion rate, less solid residue, and long service life of devices and the like.
Description
Technical field
The utility model belongs to a kind of reactor of producing fluoride gas, is specifically related to a kind of fluorine gas (F
2) and boron trioxide (B
2O
3) reaction generation boron triflouride gas (BF
3) a kind of reactor for preparing boron triflouride gas.
Background technology
Boron triflouride gas (BF
3) in organic synthesis, can be used as the raw material that synthesizes organoboron compound, also can be used for nuclear technique and photoconductive fiber.It mainly is used as P type doping agent, source ion implantation and plasma etch gases in the electronic industry, and boron trifluoride and compound thereof are used as solidifying agent in Resins, epoxy.
At present, the method for preparing boron triflouride gas has multiple, and the method for preparing boron triflouride gas commonly used has fluoroborate method, fluorite boric anhydride method, fluorite borax method etc.
The main raw material that the fluoroborate method adopts is fluoroborate, boric anhydride and the vitriol oil, its preparation method is with after boric anhydride mixes by a certain percentage with fluoroborate, join in the reactor, under agitation add the vitriol oil, have boron triflouride gas to produce behind the heating certain hour.
The main raw material that fluorite boric anhydride method adopts is Calcium Fluoride (Fluorspan) (fluorite), boric anhydride and the vitriol oil, its preparation method is with after boric anhydride mixes by a certain percentage with Calcium Fluoride (Fluorspan), join in the reactor, under agitation add the vitriol oil, have boron triflouride gas to produce behind the heating certain hour.
It is the raw material production boron triflouride gas that the fluorite borax method adopts Calcium Fluoride (Fluorspan) (fluorite), borax and the vitriol oil.
What aforesaid method adopted is the solid-liquid reaction, and reactor used is tank reactor, its shortcoming: residual in reactor have a solid residue that is difficult to remove, and the sulfuric acid consumption is big, and is serious to equipment corrosion.
Summary of the invention
The shortcoming that the utility model exists for the solid-liquid reactor that overcomes prior art, its purpose is to adopt gas-solid reaction method, and a kind of reactor for preparing boron triflouride gas is provided.
The technical solution of the utility model is: a kind of reactor for preparing boron triflouride gas comprises cylindrical shell, top cover, sieve plate and blind plate.The open top of cylindrical shell also is connected with top seal by flange, is provided with sieve plate in the interior lower end of cylindrical shell, forms a plurality of apertures on the sieve plate, and a plurality of apertures adopt equilateral triangles to arrange, and sieve plate is by stent support.Top cover is provided with charging opening, and charging opening is connected with blind plate sealing by flange.The top wall of cylindrical shell is provided with the fluorine gas inlet, is respectively arranged with bleeding point and products export on the lower part wall of cylindrical shell, is provided with heating unit around the outer wall of cylindrical shell, and temperature measuring equipment is inserted into the inside of cylindrical shell by top cover.
The a plurality of apertures that form on sieve plate adopt equilateral triangle to arrange.
Heating unit adopts electrical heating net.
Temperature measuring equipment adopts thermopair.
The reacting appliance of preparation boron triflouride gas of the present utility model responds steadily, and temperature of reaction is easy to control, fluorine gas transformation efficiency height, and solid residue is few, advantages such as service life of equipment length.
Description of drawings
Fig. 1 is the structural profile synoptic diagram of the reactor of preparation boron triflouride gas of the present utility model.
Wherein:
1 cylindrical shell, 2 lids
3 sieve plates, 4 blind plates
5 charging openings, 6 flanges
7 flanges, 8 fluorine gas inlet
9 bleeding points, 10 products exports
11 supports, 12 heating units
13 temperature measuring equipments
Embodiment
Below, be elaborated with reference to the reactor of drawings and Examples to preparation boron triflouride gas of the present utility model:
As shown in Figure 1, a kind of preparation boron triflouride gas (BF
3) reactor, comprise cylindrical shell 1, top cover 2, sieve plate 3 and blind plate 4.The open top of cylindrical shell 1 also is tightly connected by flange 6 and top cover 2, and top cover 2 is provided with charging opening 5, and charging opening 5 is tightly connected by flange 7 and blind plate 4.
Interior lower end at cylindrical shell 1 is provided with sieve plate 3, and the hole on the sieve plate 3 adopts triangular to arrange, and sieve plate 3 is supported by support 11.
The top wall of cylindrical shell 1 is provided with fluorine gas inlet 8, on the lower part wall of cylindrical shell 1, be respectively arranged with bleeding point 9 and products export 10, around the outer wall of cylindrical shell 1, be provided with heating unit 12, heating unit 12 adopts commercially available electrical heating net, heat by 12 pairs of reactors of heating unit, make the inside reactor temperature keep 150～400 ℃, find time, make the pressure of reactor keep 0.01～0.03Mpa by 9 pairs of reactors of bleeding point.
Reactor adopts stainless steel, anti-fluorine gas and 120～400 ℃ of high temperature corrosions.
Temperature measuring equipment 13 adopts thermopair.
The reactor of preparation boron triflouride gas of the present utility model has simple in structure, operation side But just, the reaction advantage such as steady production that operates steadily.
Claims (4)
1, a kind of reactor for preparing boron triflouride gas, comprise cylindrical shell (1), top cover (2), sieve plate (3) and blind plate (4), it is characterized in that: the open top of cylindrical shell (1), and be tightly connected by flange (6) and top cover (2), interior lower end at cylindrical shell (1) is provided with sieve plate (3), sieve plate (3) is gone up and is formed a plurality of apertures, sieve plate (3) is supported by support (11), top cover (2) is provided with charging opening (5), the top wall of cylindrical shell (1) is provided with fluorine gas inlet (8), on the lower part wall of cylindrical shell (1), be respectively arranged with bleeding point (9) and products export (10), be provided with heating unit (12) around the outer wall of cylindrical shell (1), temperature measuring equipment (13) is inserted into the inside of cylindrical shell (1) by top cover (2).
2, the reactor of preparation boron triflouride gas according to claim 1 is characterized in that: going up a plurality of apertures that form at sieve plate (3) is that equilateral triangle is arranged.
3, the reactor of preparation boron triflouride gas according to claim 1 is characterized in that: heating unit (12) adopts electrical heating net.
4, the reactor of preparation boron triflouride gas according to claim 1 is characterized in that: temperature measuring equipment (13) adopts thermopair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200751091U CN201250111Y (en) | 2008-06-24 | 2008-06-24 | Reactor for preparing boron trifluoride gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200751091U CN201250111Y (en) | 2008-06-24 | 2008-06-24 | Reactor for preparing boron trifluoride gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201250111Y true CN201250111Y (en) | 2009-06-03 |
Family
ID=40745782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200751091U Expired - Lifetime CN201250111Y (en) | 2008-06-24 | 2008-06-24 | Reactor for preparing boron trifluoride gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201250111Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113968877A (en) * | 2021-10-29 | 2022-01-25 | 湖南法恩莱特新能源科技有限公司 | Preparation method of lithium difluoroborate |
-
2008
- 2008-06-24 CN CNU2008200751091U patent/CN201250111Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113968877A (en) * | 2021-10-29 | 2022-01-25 | 湖南法恩莱特新能源科技有限公司 | Preparation method of lithium difluoroborate |
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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: 300384 NANKAI, 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: The 300384 Tianjin City Huayuan Industrial Zone Development Road six No. 6 Haitai green industry base building J room 104 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: 20090603 |
|
| CX01 | Expiry of patent term |