CN114042425A - Special hydrogenation fluidized bed for borohydride - Google Patents
Special hydrogenation fluidized bed for borohydride Download PDFInfo
- Publication number
- CN114042425A CN114042425A CN202111415910.2A CN202111415910A CN114042425A CN 114042425 A CN114042425 A CN 114042425A CN 202111415910 A CN202111415910 A CN 202111415910A CN 114042425 A CN114042425 A CN 114042425A
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- CN
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- Prior art keywords
- pipeline
- borohydride
- fluidized
- material recovery
- gas circulation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/1809—Controlling processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/1818—Feeding of the fluidising gas
- B01J8/1827—Feeding of the fluidising gas the fluidising gas being a reactant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/1836—Heating and cooling the reactor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00389—Controlling the temperature using electric heating or cooling elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00628—Controlling the composition of the reactive mixture
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
The invention belongs to the technical field of chemical equipment, and particularly discloses a special hydrogenated fluidized bed for borohydride, which comprises an air inlet pipe, wherein the air inlet pipe is connected with a gas circulation system and a fluidized fan through a pipeline, the fluidized fan is connected with a material recovery box through a pipeline, a first valve is connected on the pipeline between the fluidized fan and the material recovery box, the material recovery box is connected with the fluidized system through a pipeline, the fluidized system is connected with a feeding part and a first cyclone separator, the first cyclone separator is connected with the gas circulation system through a pipeline, and a one-way valve which is opened to the gas circulation system in one way is connected on the pipeline between the first cyclone separator and the gas circulation system. The scheme is mainly used for hydrogenation of borohydride and solves the problem that a reaction device which is rarely used for reacting borohydride with hydrogen in the prior art brings inconvenience to production.
Description
Technical Field
The invention belongs to the technical field of chemical equipment, and particularly discloses a special hydrogenation fluidized bed for borohydride.
Background
Fluidized bed refers to the suspension of a large number of solid particles in a moving fluid, such that the particles have certain apparent characteristics of the fluid. The fluidized bed is a part of a boiler, a plurality of air nozzles are distributed on the fluidized bed, coal is on the upper surface, and air is blown from the lower surface, so that the fluidized reaction of a material layer is more sufficient.
Although fluidized bed apparatus is widely used in industrial production, there are few reaction apparatus for reacting borohydride with hydrogen in the prior art, which causes inconvenience in production.
Disclosure of Invention
The invention aims to provide a special hydrogenation fluidized bed for borohydride, which solves the problem that production is inconvenient because few reaction devices for reacting borohydride with hydrogen exist in the prior art.
In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a special hydrogenation fluidized bed of borohydride, including the intake pipe, there are gas circulation system and fluidization fan through the pipe connection in the intake pipe, there is material recycling box fluidization fan through the pipe connection, be connected with first valve on the pipeline between fluidization fan and the material recycling box, material recycling box has fluidization system through the pipe connection, last feed portion and the first cyclone of being connected with of fluidization system, first cyclone passes through the pipeline and is connected with gas circulation system, be connected with the check valve to the one-way opening of gas circulation system on the pipeline between first cyclone and the gas circulation system.
The working principle of the technical scheme is as follows: when the equipment runs, opening fluidizing air, a first valve and a first cyclone separator, introducing hydrogen firstly, heating a fluidizing system, opening a feeding part when the fluidizing system is full of hydrogen and the temperature reaches reaction conditions, detecting the hydrogen concentration at the front end of gas drying in a gas circulating system, and closing a gas supply pipe to discharge when the hydrogen concentration is pure hydrogen and indicating that the fluidizing reaction in a fluidizing reaction chamber is finished; when the first cyclone separator works, gas and solid can be separated, and the separated solid enters the material recovery box.
The beneficial effects of this technical scheme lie in:
the invention can effectively produce the special borohydride, and has strong pertinence and good product quality.
Furthermore, the fluidization system comprises a pressure supplementing fan and a fluidization reaction chamber which are connected together, and a circulating feed back valve is connected on a pipeline between the pressure supplementing fan and the material recovery box.
Further, the gas circulation system includes a gas drying tower. The water vapor generated after the borohydride is generated and the residual hydrogen enter a drying tower together, and the dried hydrogen can be recycled.
Further, the fluidized reaction chamber is heated in an electric auxiliary heating mode. By this arrangement, a desired temperature can be provided for the fluidization reaction.
Further, a second cyclone separator is connected to the material recovery box through a pipeline.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a hydrogenation fluidized bed for borohydride of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises an air inlet pipe 1, a fluidization fan 2, a first valve 3, a circulating feed back valve 4, a fluidization reaction chamber 5, a feeding part 6, a first cyclone separator 7, a one-way valve 8, a drying tower 9, a discharge valve 10, a pressure supplementing fan 11, an air valve 12, a second cyclone separator 13 and a material recovery box 14.
The embodiment is basically as shown in figure 1, and the special hydrogenation fluidized bed for borohydride comprises a gas inlet pipe 1, wherein a gas circulation system and a fluidization fan 2 are connected to the gas inlet pipe 1 through a pipeline, and the gas circulation system comprises a gas drying tower 9. The water vapor generated after the production of the borohydride and the residual hydrogen enter the drying tower 9 together, and the dried hydrogen can be recycled.
The fluidization fan 2 is connected with a material recovery box 14 through a pipeline, a first valve 3 is connected on the pipeline between the fluidization fan 2 and the material recovery box 14, the material recovery box 14 is connected with a fluidization system through a pipeline, the fluidization system comprises a pressure compensating fan 11 and a fluidization reaction chamber 5 which are connected together, a circulating material return valve 4 is connected on the pipeline between the pressure compensating fan 11 and the material recovery box 14, and an air valve 12 is connected on the pipeline at the lower part of the pressure compensating fan 11.
The fluidized reaction chamber 5 is connected with a feeding part 6 and a first cyclone separator 7 through pipelines, the lower part of the first cyclone separator 7 is connected with a material recovery box 14, and the material recovery box 14 is also connected with a second cyclone separator 13 through a pipeline. In the scheme, the fluidized reaction chamber 5 is heated in an electric auxiliary heating mode. By this arrangement, a desired temperature can be provided for the fluidization reaction. A discharge valve 10 is connected on a pipeline between the material recovery box 14 and the second cyclone separator 13.
The first cyclone separator 7 is connected with the gas drying tower 9 through a pipeline, and a one-way valve 8 which is opened to the gas drying tower 9 in one way is connected on the pipeline between the first cyclone separator 7 and the gas drying tower 9.
The specific implementation process is as follows: when the equipment runs, the fluidized air, the first valve 3, the first cyclone separator 7, the second cyclone separator 13 and the pressure compensating fan 11 are opened, hydrogen is firstly introduced, the fluidized reaction chamber 5 is heated by using an electric auxiliary heating mode, the feeding part 6 is opened when the fluidized reaction chamber 5 is filled with hydrogen and the temperature reaches the reaction condition, the hydrogen concentration detection is carried out at the front end of the gas drying in the gas drying tower 9, the detection technology is the prior art, when the hydrogen concentration is pure hydrogen, the fluidized reaction in the fluidized reaction chamber 5 is finished, the gas supply inlet pipe 1 is closed, and the discharging system is opened for discharging; when the first cyclone separator 7 works, gas and solid can be separated, and the separated solid enters the material recovery box 14.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111415910.2A CN114042425A (en) | 2021-11-25 | 2021-11-25 | Special hydrogenation fluidized bed for borohydride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111415910.2A CN114042425A (en) | 2021-11-25 | 2021-11-25 | Special hydrogenation fluidized bed for borohydride |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114042425A true CN114042425A (en) | 2022-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111415910.2A Pending CN114042425A (en) | 2021-11-25 | 2021-11-25 | Special hydrogenation fluidized bed for borohydride |
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| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB646557A (en) * | 1947-09-19 | 1950-11-22 | Standard Oil Dev Co | Improvements in or relating to fluidised solid systems |
| US4781574A (en) * | 1987-05-08 | 1988-11-01 | Foster Wheeler Development Corporation | Method and system for controlling cyclone collection efficiency and recycle rate in fluidized bed reactors |
| CN1030918A (en) * | 1987-07-31 | 1989-02-08 | Bp化学有限公司 | Method with gas phase polymerisation of olefins in fluidised bed reactor |
| CN103946633A (en) * | 2011-09-20 | 2014-07-23 | Ifp新能源公司 | Chemical looping combustion method with removal of ash and fines in the reduction area, and a facility using such a method |
| CN110709428A (en) * | 2017-06-20 | 2020-01-17 | 博里利斯股份公司 | Method and device for producing polymers and use of the device |
| CN113477192A (en) * | 2021-08-16 | 2021-10-08 | 中氢云(浙江)生命科技有限公司 | Special hydrogenation fluidized bed device for borohydride |
-
2021
- 2021-11-25 CN CN202111415910.2A patent/CN114042425A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB646557A (en) * | 1947-09-19 | 1950-11-22 | Standard Oil Dev Co | Improvements in or relating to fluidised solid systems |
| US4781574A (en) * | 1987-05-08 | 1988-11-01 | Foster Wheeler Development Corporation | Method and system for controlling cyclone collection efficiency and recycle rate in fluidized bed reactors |
| CN1030918A (en) * | 1987-07-31 | 1989-02-08 | Bp化学有限公司 | Method with gas phase polymerisation of olefins in fluidised bed reactor |
| CN103946633A (en) * | 2011-09-20 | 2014-07-23 | Ifp新能源公司 | Chemical looping combustion method with removal of ash and fines in the reduction area, and a facility using such a method |
| CN110709428A (en) * | 2017-06-20 | 2020-01-17 | 博里利斯股份公司 | Method and device for producing polymers and use of the device |
| CN113477192A (en) * | 2021-08-16 | 2021-10-08 | 中氢云(浙江)生命科技有限公司 | Special hydrogenation fluidized bed device for borohydride |
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Application publication date: 20220215 |