CN112142002A - Controllable hydrogen manufacturing system of aluminium alkali reaction - Google Patents
Controllable hydrogen manufacturing system of aluminium alkali reaction Download PDFInfo
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- CN112142002A CN112142002A CN202011059950.3A CN202011059950A CN112142002A CN 112142002 A CN112142002 A CN 112142002A CN 202011059950 A CN202011059950 A CN 202011059950A CN 112142002 A CN112142002 A CN 112142002A
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- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/06—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
- C01B3/08—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents with metals
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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Abstract
The invention discloses a controllable hydrogen production system for an aluminum-alkali reaction, which comprises a water injection device, a reaction device and a collection device which are sequentially communicated through a pipeline, wherein the reaction device comprises a rack, a reaction bottle and a turnover mechanism, the reaction bottle is arranged on the rack in a turnover manner through the turnover mechanism, a permeation partition plate is arranged in the reaction bottle so as to divide the interior of the reaction bottle into a left cavity for storing aluminum powder and a right cavity for storing an alkali material, the water injection device is communicated with the right cavity through the pipeline, and the collection device is communicated with the left cavity through the pipeline; during gas production operation, the turnover mechanism drives the reaction bottle to be in a vertical state or a non-vertical state with the right chamber on the upper part; when gas production is stopped, the turnover mechanism drives the reaction bottle to quickly turn over to be in a non-vertical state with the left chamber on the upper side. The invention has the advantages of simple and compact structure, high integration level, low energy consumption, fast hydrogen production reaction and controllable aluminum-alkali reaction hydrogen production system which can realize the fast start-stop control of the aluminum-alkali reaction at any time.
Description
Technical Field
The invention mainly relates to the field of hydrogen production equipment, in particular to a hydrogen production system with controllable aluminum-alkali reaction.
Background
As a renewable energy source, the hydrogen is not only applied to new energy automobiles, but also widely applied to various fields such as medical treatment, meteorology, entertainment and the like. However, the existing aluminum-alkali reaction hydrogen production equipment is often poor in controllability and cannot ensure the purity of the produced hydrogen. The following technical problems are specifically present:
firstly, the existing aluminum-alkali reaction hydrogen production equipment lacks a buffer device in a system, and the instantaneous pressure is too large when hydrogen is produced easily, so that the pipeline leakage is caused.
Secondly, the existing aluminum-alkali reaction hydrogen production equipment can not discharge residual air in each device and pipeline, so that the purity of the produced hydrogen is insufficient.
Thirdly, the reaction time of the existing aluminum-base reaction hydrogen production system is slow. For example, some aluminum bars are reacted with alkaline water, so that the contact area of the aluminum alkali is limited, and the efficiency of producing hydrogen by the aluminum alkali is greatly influenced.
Fourthly, the existing aluminum alkali reaction hydrogen production system has poor control effect, can not effectively control the start and stop of hydrogen production reaction, namely can not control the aluminum alkali hydrogen production reaction at any time and quickly, when the system stops collecting operation, the aluminum alkali can not be separated in time and still can react for a period of time to produce hydrogen, thus not only greatly causing resource consumption and waste, but also easily causing safety accidents. Meanwhile, the existing aluminum-alkali reaction hydrogen production system cannot be stopped immediately after being stopped, and has the advantages of slow system start, low working efficiency and inflexible operation mode.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and provides the aluminum-alkali reaction controllable hydrogen production system which has the advantages of simple and compact structure, high integration level, low energy consumption, quick hydrogen production reaction and capability of realizing the quick start-stop control of the aluminum-alkali reaction at any time.
In order to solve the technical problems, the invention adopts the following technical scheme:
a controllable hydrogen production system of aluminum alkali reaction comprises a water injection device, a reaction device and a collection device which are sequentially communicated through a pipeline, wherein the reaction device comprises a rack, a reaction bottle and a turnover mechanism, the reaction bottle is arranged on the rack in a turnover manner through the turnover mechanism, a permeation partition plate is arranged in the reaction bottle to divide the interior of the reaction bottle into a left cavity for storing aluminum powder and a right cavity for storing alkali materials, the water injection device is communicated with the right cavity through the pipeline, and the collection device is communicated with the left cavity through the pipeline; during gas production operation, the turnover mechanism drives the reaction bottle to be in an upright state or a non-upright state with the right chamber above so that water injected into the right chamber by the water injection device is dissolved into alkaline water and then quickly permeates into the left chamber through the permeation partition plate to quickly react with aluminum powder to generate hydrogen; when gas production is stopped, the turnover mechanism drives the reaction bottle to rapidly turn over to be in a non-vertical state with the left chamber above, and the turnover mechanism is used for enabling alkaline water in the left chamber to rapidly flow back to the right chamber to rapidly stop reaction.
As a further improvement of the invention, the inner wall of the reaction bottle is provided with two vertically and symmetrically arranged limiting grooves for detachably limiting and fixing the permeation partition plate in the reaction bottle after the permeation partition plate is inserted.
As a further improvement of the invention, the permeable partition comprises a plurality of frame plates, a plurality of support rods and a water permeable material layer, wherein the frame plates surround to form a frame of the permeable partition, the water permeable material layer is laid in the surrounding area, and the support rods are fixedly connected with the frame plates and used for supporting the water permeable material layer in the surrounding area.
As a further improvement of the present invention, the turnover mechanism includes two first bases symmetrically disposed on the frame and a turnover driving assembly, two sides of the outer wall of the reaction bottle are respectively provided with a protruding rotating shaft for being respectively mounted on the two first bases, and the turnover driving assembly is disposed near one of the rotating shafts for driving the rotating shaft to rotate so as to enable the reaction bottle to turn forward and backward.
As a further improvement of the invention, the turnover driving component comprises a gear and a driving rod, the gear is fixed on the rotating shaft, the driving rod is rotatably fixed on the frame through two second bases, a thread part on the circumferential surface of the driving rod is meshed with the gear, and one end of the driving rod is provided with a hand wheel which is used for driving the gear to rotate through hand-cranking the driving rod so as to drive the reaction bottle to turn forwards and backwards.
As a further improvement of the invention, an auxiliary device is arranged on a pipeline communicated with the reaction bottle and the collecting device, the auxiliary device comprises a buffer bottle, and when the collecting device stops collecting and turns over the reaction bottle to stop producing gas, residual gas produced in the turning over process of the reaction bottle is collected and absorbed by the buffer bottle so as to prevent the residual gas from damaging the pipeline of the system.
As a further improvement of the invention, the auxiliary device comprises a vacuum pump assembly which is arranged on a pipeline communicated with the buffer bottle and the collecting device and is used for vacuumizing the system pipeline before gas production operation so as to improve the purity of the produced hydrogen.
As a further improvement of the invention, the auxiliary device comprises a pressure stabilizing assembly, and the pressure stabilizing assembly comprises a pressure stabilizing valve, a speed regulating valve and a flow meter which are arranged on the pipeline, so that the output of the hydrogen flow is stable and controllable.
As a further improvement of the invention, a condenser and a first filter are sequentially arranged on a pipeline output by the reaction bottle, the condenser is provided with a continuously circulating condensate and is used for cooling passing hydrogen so as to primarily filter water vapor in the hydrogen through condensation, and a drying agent is arranged in the first filter so as to further dry and purify the hydrogen transmitted by the condenser.
As a further improvement of the invention, the water injection device comprises a cold water conveying pipeline, a hot water conveying pipeline and a main conveying pipeline, the cold water conveying pipeline and the hot water conveying pipeline are communicated with the reaction bottle through the main conveying pipeline, the cold water conveying pipeline and the hot water conveying pipeline are respectively provided with an adjusting valve for controlling the water injection temperature through flow regulation, and the main conveying pipeline is provided with a second filter for filtering impurities in water.
Compared with the prior art, the invention has the advantages that:
the controllable hydrogen production system for the aluminum-alkali reaction is provided with the special reaction bottle and the turnover mechanism, the forward and reverse turnover of the reaction bottle can be realized, the excellent quick start-stop effect of the aluminum-alkali reaction can be realized through the turnover, the reaction can be immediately stopped, the reaction can be immediately re-started after the reaction is stopped, and the aluminum-alkali reaction can be quickly started and stopped at any time. The alkaline water and the aluminum powder do not participate in the reaction at once, so that the resource consumption and the raw material waste are greatly reduced, the reaction is quickly stopped, more residual hydrogen cannot be generated, too much residual gas cannot exist in the pipeline, and safety accidents such as pipe explosion and the like are not easy to cause.
The hydrogen production system with controllable aluminum-alkali reaction realizes isolation and permeation through the permeation partition plate, so that aluminum powder can be stored in the left chamber, and can contact and react with alkali water more comprehensively during reaction, so that the reaction time is shorter, and the hydrogen production efficiency is higher.
Thirdly, the reaction bottle can realize the turnover at various angles so as to realize various postures and functions. For example, the method can be used for completely contacting injected water with an alkali material, completely dissolving and reacting the water with the alkali material, and then turning the water to permeate the water, wherein the method is characterized in that the purity of the dissolved alkali water is higher, and the later-stage aluminum alkali reaction is better generated; secondly, the permeation is faster, the reaction time is shorter, and the hydrogen production efficiency is higher. For example, when the amount of alkaline water in the left chamber is large and needs to be suspended immediately (after the reaction operation is performed soon), the inversion can be driven to be in an absolute state that the left chamber is completely above and the right chamber is completely below, and the alkaline water in the left chamber tends to flow back to the right chamber more quickly and stops more quickly. And if the alkaline water in the left chamber is not too much and needs to be immediately suspended (the reaction operation is carried out for a long time or the amount of the alkaline water injected at this time is not too much), the left chamber is turned over by a certain angle by quick driving, so that the left chamber is in a relative state with the right chamber upward, and the small amount of the alkaline water in the left chamber also quickly flows back to the right chamber to realize quick stop (the driving cost is lower and the driving time is shorter).
Fourthly, the hydrogen production system with controllable aluminum-alkali reaction of the invention has extremely strong adaptability because the overturning control is convenient and fast, and the alkali-alkali infiltration participates in the reaction or the backflow stops the reaction, thus realizing the hydrogen production operation with extremely high precision by controlling, and being very convenient for the subsequent hydrogen collection and test development. For example, the circulation is performed by immediately collecting hydrogen production, immediately stopping the hydrogen production after collection for testing, immediately collecting the hydrogen production again after testing for secondary collection, and immediately stopping the hydrogen production for secondary testing. In the rapid and repeated process, the operation is simple and rapid, and raw materials such as alkali materials, aluminum powder, water and the like do not need to be added for many times.
Fifthly, the hydrogen production system with controllable aluminum-alkali reaction realizes the detachable fixation of the permeation partition plate through the arrangement of the limiting groove, and is convenient for the replacement and maintenance of the permeation partition plate in the later period. And secondly, the penetration partition plate is positioned in the limiting groove, so that the alkali materials and the aluminum powder on the two sides of the penetration partition plate are not easy to leak and mix from the gap at the edge.
Sixthly, the hydrogen production system with controllable aluminum-alkali reaction of the invention has two functions of a buffer bottle: firstly, when the operation is started, the buffer bottle can buffer the hydrogen provided by the reaction bottle, so that the pipeline leakage caused by overlarge instantaneous pressure during the reaction can be avoided, and the safety of the hydrogen production process is ensured. Secondly, when the collection device stops collecting, minute residual gas is generated in time in the extremely short time of solid-liquid separation, but the residual gas still can be collected and absorbed by the buffer bottle, so that the residual gas does not damage the system pipeline, and the safety of the system is greatly improved.
Drawings
FIG. 1 is a schematic diagram of the structural principle of the aluminum-base reaction controllable hydrogen production system of the present invention.
FIG. 2 is a schematic diagram 1 of the three-dimensional structure principle of the aluminum-base reaction controllable hydrogen production system of the present invention.
FIG. 3 is a schematic diagram 2 of the schematic three-dimensional structure of the aluminum-base reaction-controllable hydrogen production system of the present invention.
FIG. 4 is a schematic perspective view of the reaction apparatus of the present invention, schematically showing FIG. 1.
FIG. 5 is a schematic view of the internal structure of the reaction apparatus of the present invention.
FIG. 6 is a schematic perspective view of the reaction apparatus of the present invention, schematically showing FIG. 2.
Fig. 7 is a schematic view of the structural principle of the permeation barrier of the present invention.
The reference numerals in the figures denote:
1. a water injection device; 11. a cold water delivery line; 12. a hot water delivery line; 13. a main conveying line; 14. adjusting a valve; 15. a second filter; 2. a reaction device; 21. a frame; 22. a reaction bottle; 221. a permeate spacer; 2211. a frame plate; 2212. a support bar; 2213. a water permeable material layer; 222. a left chamber; 223. a right chamber; 224. a limiting groove; 225. a rotating shaft; 23. a turnover mechanism; 231. a first base; 232. a turnover drive assembly; 2321. a gear; 2322. a drive rod; 2323. a second base; 2324. a hand wheel; 3. a collection device; 4. an auxiliary device; 41. caching bottles; 42. a vacuum pump assembly; 43. a voltage stabilizing assembly; 5. a condenser; 6. a first filter.
Detailed Description
The invention will be described in further detail below with reference to the drawings and specific examples.
As shown in fig. 1 to 7, the present invention provides a controllable hydrogen production system by aluminum alkali reaction, which comprises a water injection device 1, a reaction device 2 and a collection device 3 sequentially communicated through a pipeline, wherein the reaction device 2 comprises a frame 21, a reaction bottle 22 and a turnover mechanism 23, the reaction bottle 22 is mounted on the frame 21 through the turnover mechanism 23 in a turnover manner, a permeable partition 221 is arranged in the reaction bottle 22 to divide the interior of the reaction bottle 22 into a left chamber 222 for storing aluminum powder and a right chamber 223 for storing alkali materials, the water injection device 1 is communicated with the right chamber 223 through a pipeline, and the collection device 3 is communicated with the left chamber 222 through a pipeline; during gas production operation, the turnover mechanism 23 drives the reaction bottle 22 to be in an upright state or a non-upright state with the right chamber 223 upwards, so that water injected into the right chamber 223 by the water injection device 1 is dissolved into alkaline water and then quickly permeates into the left chamber 222 through the permeation partition plate 221 to quickly react with aluminum powder to generate hydrogen; when stopping generating gas, the turnover mechanism 23 drives the reaction bottle 22 to rapidly turn over to a non-vertical state with the left chamber 222 upward, so that the alkaline water in the left chamber 222 rapidly flows back to the right chamber 223 to rapidly stop reaction. In this embodiment, the top cover of the reaction flask 22 can be opened, before operation, the aluminum powder is stored in the left chamber 222 of the reaction flask 22, and the alkali material is stored in the right chamber 223.
The following two different embodiments are described, and the specific implementation principle is as follows:
example 1: during gas production operation, the turnover mechanism 23 drives the reaction bottle 22 to be in a vertical state, the water injection device 1 injects water into the right chamber 223, the injected water reacts with alkali materials and is dissolved into alkaline water, the alkaline water quickly permeates into the left chamber 222 through the permeation partition plate 221 and reacts with aluminum powder quickly to generate hydrogen, and the hydrogen is collected by the collection device 3 through a pipeline.
When gas production needs to be stopped, the turnover mechanism 23 drives the reaction bottle 22 in the upright state to rapidly turn over, so that the reaction bottle is in a non-upright state (turning towards the right side as shown in fig. 3) with the left chamber 222 in the upper chamber 223 and the right chamber 223 in the lower state. This non-upright state may be a state where the left chamber 222 is completely above and the right chamber 223 is completely below, by turning 90 degrees; it may be turned by a certain angle (less than 90 degrees) so that the left chamber 222 is in a state of being up relative to the right chamber 223 (the state shown in fig. 3). At this time, the alkaline water permeated into the left chamber 222 tends to flow back into the right chamber 223 quickly, and the solid-liquid separation makes the left chamber 222 have no alkaline water, so that the reaction is stopped quickly, and hydrogen is not produced any more.
When gas production needs to be started again, the turning mechanism 23 only needs to drive the reaction bottle 22 in the non-upright state to turn back rapidly (turn to the left side as shown in fig. 3) again, so that the reaction bottle 22 is in the upright state again. At this time, the alkaline water in the right chamber 223 rapidly permeates into the left chamber 222 through the permeation partition plate 221 to rapidly react with the aluminum powder to generate hydrogen, so that rapid restarting is realized.
Example 2: during gas production, the turnover mechanism 23 drives the reaction bottle 22 to be in a vertical state, the water injection device 1 injects water into the right chamber 223, and the injected water reacts with alkali materials and is dissolved into alkaline water. When the right chamber 223 is filled with water, the water will contact all the alkali materials in the right chamber 223 and complete the overall reaction, so that the purity of the dissolved alkali water is higher (of course, as in example 1, a part of the alkali water still permeates into the left chamber 222). After complete contact and complete dissolution reaction, the turning mechanism 23 rapidly turns the reaction flask 22 in the upright state (in the left direction as shown in fig. 3) so as to assume a non-upright state in which the right chamber 223 is located above the left chamber 222. This arrangement is relative to the upright position of the reaction flask 22 of example 1, and the inversion makes the alkaline water affected by gravity, and it is easy to permeate downwards more quickly, and quickly permeate into the left chamber 222 below through the permeation partition 221, and react with the aluminum powder quickly to generate hydrogen, which is collected by the collecting device 3 through the pipeline. The method has the advantages that firstly, the purity of the dissolved alkaline water is higher, and the later-stage aluminum-alkali reaction is better generated; secondly, the permeation is faster, the reaction time is shorter, and the hydrogen production efficiency is higher.
When gas generation is required to be stopped, as in example 1, the turnover mechanism 23 drives the reaction flask 22 to turn over rapidly (to the right as shown in fig. 3) so as to assume a non-standing state in which the left chamber 222 is located above the right chamber 223. At this time, the alkaline water permeated into the left chamber 222 tends to flow back into the right chamber 223 quickly, so that there is no alkaline water in the left chamber 222, and the reaction is stopped quickly, and hydrogen is no longer produced. When the absolute state is reversed such that the left chamber 222 is completely up and the right chamber 223 is completely down, the alkaline water in the left chamber 222 tends to flow back into the right chamber 223 faster.
When gas production needs to be started again, the turnover mechanism 23 drives the reaction bottle 22 in the non-vertical state to quickly turn back, so that the reaction bottle 22 is in the vertical state again, or is in the non-vertical state with the right chamber 223 at the upper part and the left chamber 222 at the lower part. At this time, the alkaline water in the right chamber 223 rapidly permeates into the left chamber 222 through the permeation partition plate 221 to rapidly react with the aluminum powder to generate hydrogen, so that rapid restarting is realized.
Through the special scientific design, the method has the following technical advantages:
the controllable hydrogen production system for the aluminum-alkali reaction is provided with the special reaction bottle 22 and the turnover mechanism 23, the forward and reverse turnover of the reaction bottle 22 can be realized, the excellent quick start-stop effect of the aluminum-alkali reaction can be realized through the turnover, the reaction can be immediately stopped during the reaction, the reaction can be immediately re-started after the reaction is stopped, and the quick start-stop control at any time can be realized during the aluminum-alkali reaction. The alkaline water and the aluminum powder do not participate in the reaction at once, so that the resource consumption and the raw material waste are greatly reduced, the reaction is quickly stopped, more residual hydrogen cannot be generated, too much residual gas cannot exist in the pipeline, and safety accidents such as pipe explosion and the like are not easy to cause.
Secondly, in the hydrogen production system with controllable aluminum-alkali reaction, the permeation partition plate 221 is used for realizing isolation and permeation, so that aluminum powder can be stored in the left chamber 222, and the aluminum powder can contact and react with alkali water more comprehensively during reaction, so that the reaction time is shorter, and the hydrogen production efficiency is higher.
Thirdly, the reaction bottle 22 of the controllable hydrogen production system by aluminum-alkali reaction of the invention can realize the turnover of various angles, thereby realizing various postures and functions. For example, the method can be used for completely contacting injected water with an alkali material, completely dissolving and reacting the water with the alkali material, and then turning the water to permeate the water, wherein the method is characterized in that the purity of the dissolved alkali water is higher, and the later-stage aluminum alkali reaction is better generated; secondly, the permeation is faster, the reaction time is shorter, and the hydrogen production efficiency is higher. For example, when the amount of alkaline water in the left chamber 222 is large and needs to be suspended immediately (the reaction operation is soon performed), the inversion can be driven to an absolute state where the left chamber 222 is completely above and the right chamber 223 is completely below, and the alkaline water in the left chamber 222 tends to flow back into the right chamber 223 more quickly and stops more quickly. If the amount of alkaline water in the left chamber 222 is small and needs to be immediately suspended (the reaction operation is performed for a long time or the amount of alkaline water injected at this time is small), the operation is reversed by a certain angle only through rapid driving, so that the left chamber 222 is in a relative state of being above the right chamber 223, and the small amount of alkaline water in the left chamber 222 rapidly flows back into the right chamber 223, thereby achieving rapid stopping (the driving cost is lower, and the driving time is shorter).
Fourthly, the hydrogen production system with controllable aluminum-alkali reaction of the invention has extremely strong adaptability because the overturning control is convenient and fast, and the alkali-alkali infiltration participates in the reaction or the backflow stops the reaction, thus realizing the hydrogen production operation with extremely high precision by controlling, and being very convenient for the subsequent hydrogen collection and test development. For example, the circulation is performed by immediately collecting hydrogen production, immediately stopping the hydrogen production after collection for testing, immediately collecting the hydrogen production again after testing for secondary collection, and immediately stopping the hydrogen production for secondary testing. In the rapid and repeated process, the operation is simple and rapid, and raw materials such as alkali materials, aluminum powder, water and the like do not need to be added for many times.
As shown in fig. 5, further, in the preferred embodiment, two vertically symmetrical limiting grooves 224 are formed on the inner wall of the reaction flask 22 for detachably limiting and fixing the permeation partition 221 in the reaction flask 22 after being inserted. In this embodiment, the top cover of the reaction flask 22 is closed to tightly press the permeation barrier 221. Through setting up spacing recess 224, realized firstly that the dismantlement of infiltration baffle 221 is fixed, the later stage of being convenient for is changed the maintenance to infiltration baffle 221. Secondly, the penetration partition 221 is located in the limiting groove 224, so that the alkali materials and the aluminum powder on two sides of the penetration partition 221 are not easy to leak and mix from the edge gap.
As shown in fig. 7, in a preferred embodiment, the permeable partition 221 includes a plurality of frame plates 2211, a plurality of support bars 2212 and a water permeable material layer 2213, the frame plates 2211 surround to form a frame of the permeable partition 221, the water permeable material layer 2213 is laid in the surrounding area, and the support bars 2212 are fixedly connected to the frame plates 2211 for supporting the water permeable material layer 2213 in the surrounding area. Because alkali material and aluminite powder all have certain weight, in order to realize nimble upset many times, alleviate alkali material and aluminite powder to the impact of infiltration material layer 2213, can form fine support through setting up many spinal branchs vaulting pole 2212. In this embodiment, the water permeable material layer 2213 comprises a high-density water permeable mesh cloth (similar to a mesh bag material for hanging cup coffee) in the prior art, which can realize rapid water permeation without leakage of aluminum powder and alkali materials. Of course, in other embodiments, the water permeable material layer 2213 can be made of other materials as long as water permeability can be achieved but discharging is not performed, which can cause leakage of aluminum powder and alkali materials.
As shown in fig. 2 to 6, further, in a preferred embodiment, the turnover mechanism 23 includes two first bases 231 symmetrically disposed on the frame 21 and a turnover driving assembly 232, wherein two sides of the outer wall of the reaction flask 22 are respectively provided with a protruding rotating shaft 225 for being respectively mounted on the two first bases 231, and the turnover driving assembly 232 is disposed near one of the rotating shafts 225 for driving the rotating shaft 225 to rotate so as to enable the reaction flask 22 to turn forward and backward. In this embodiment, the turning driving assembly 232 includes a gear 2321 and a driving rod 2322, the gear 2321 is fixed on the rotating shaft 225, the driving rod 2322 is rotatably fixed on the frame 21 through two second bases 2323, a threaded portion on a circumferential surface of the driving rod 2322 is engaged with the gear 2321, one end of the driving rod 2322 is provided with a handwheel 2324 for rotating the gear 2321 by shaking the driving rod 2322 to drive the reaction vial 22 to turn forward and backward. This makes the staff only need hand rotatory hand wheel 2324 just can realize the upset of drive reaction bottle 22 forward and reverse to the angle of upset is very controllable, and operating personnel can just can adjust reaction bottle 22's gesture according to the real-time needs of oneself, with the control of opening and stopping that realizes quick, accurate. Of course, in other embodiments, the turning driving assembly 232 includes a forward and reverse driving motor, and a driving shaft end of the forward and reverse driving motor is used for connecting with the rotating shaft 225, so as to realize automatic turning control by controlling the forward and reverse driving motor. And shall also fall within the scope of the present invention.
As shown in fig. 1, further, in the preferred embodiment, an auxiliary device 4 is disposed on the pipeline connecting the reaction bottle 22 and the collecting device 3, the auxiliary device 4 includes a buffer bottle 41, when the collecting device 3 stops collecting and the reaction bottle 22 is turned over to stop producing gas, the residual gas generated during the turning over process of the reaction bottle 22 is collected and absorbed by the buffer bottle 41, so that the residual gas does not damage the pipeline of the system. Although the aluminum-base reaction controllable hydrogen production system can realize the rapid start-stop control at any time. However, when gas production is required to be stopped, the reaction bottle 22 is rotated to a certain angle, and trace residual gas is still likely to be produced in a very short time of solid-liquid separation, so that the buffer bottle 41 is further arranged. The buffer bottle 41 has two functions: firstly, when the operation is started, the buffer bottle 41 can buffer the hydrogen provided by the reaction bottle 22, so as to ensure that the pipeline leakage caused by the excessive instantaneous pressure during the reaction is avoided, and the safety of the hydrogen production process is ensured. Secondly, when the collecting device 3 stops collecting, a trace amount of residual gas is generated in time in a very short time of solid-liquid separation, but the residual gas is still collected and absorbed by the buffer bottle 41, so that the residual gas does not damage the system pipeline. The safety of the system is greatly improved.
As shown in fig. 1, further, in the preferred embodiment, the auxiliary device 4 includes a vacuum pump assembly 42, the vacuum pump assembly 42 is disposed on the pipeline connecting the buffer bottle 41 and the collecting device 3, and is used for evacuating the system pipeline before gas production operation, and exhausting the residual air in each device and pipeline, thereby greatly improving the purity of the produced hydrogen.
Further, as shown in fig. 1, in the preferred embodiment, the auxiliary device 4 includes a pressure-stabilizing assembly 43, and the pressure-stabilizing assembly 43 includes a pressure-stabilizing valve, a speed-regulating valve and a flow meter which are arranged on the pipeline so as to make the output of the hydrogen gas flow smooth and controllable.
Further, in the preferred embodiment, a condenser 5 and a first filter 6 are sequentially disposed on the pipeline outputting from the reaction flask 22, the condenser 5 is provided with a continuously circulating condensate for cooling the passing hydrogen (the purpose of cooling is that the lower the temperature is, the smaller the volume occupied by the same amount of hydrogen is), so as to primarily filter the water vapor in the hydrogen by condensation, and a drying agent is disposed in the first filter 6, so as to further dry and purify the hydrogen transmitted from the condenser 5. The combination of the two components makes the hydrogen purity extremely high.
As shown in fig. 1, further, in the preferred embodiment, the water injection device 1 includes a cold water conveying pipeline 11, a hot water conveying pipeline 12 and a main conveying pipeline 13, the cold water conveying pipeline 11 and the hot water conveying pipeline 12 are communicated with the reaction bottle 22 through the main conveying pipeline 13, and an adjusting valve 14 is disposed on each of the cold water conveying pipeline 11 and the hot water conveying pipeline 12 for controlling the water injection temperature through flow regulation, so that the subsequent hydrogen production reaction is greatly facilitated due to the water with the optimal reaction temperature. The main conveying pipe 13 is provided with a second filter 15 for filtering impurities in the water. In this embodiment, the main feed line 13 is provided with a check valve for preventing the reverse flow of hydrogen gas in the reaction apparatus.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.
Claims (10)
1. The utility model provides a controllable hydrogen manufacturing system of aluminium alkali reaction, includes water injection device (1), reaction unit (2) and collection device (3) that communicate in proper order through the pipeline, its characterized in that: the reaction device (2) comprises a rack (21), a reaction bottle (22) and a turnover mechanism (23), wherein the reaction bottle (22) is installed on the rack (21) in a turnover manner through the turnover mechanism (23), a permeation partition plate (221) is arranged in the reaction bottle (22) to divide the interior of the reaction bottle (22) into a left chamber (222) for storing aluminum powder and a right chamber (223) for storing alkali materials, the water injection device (1) is communicated with the right chamber (223) through a pipeline, and the collection device (3) is communicated with the left chamber (222) through a pipeline; during gas production operation, the turnover mechanism (23) drives the reaction bottle (22) to be in a vertical state or a non-vertical state with the right chamber (223) on the upper part, so that water injected into the right chamber (223) by the water injection device (1) is dissolved into alkaline water and then quickly permeates into the left chamber (222) through the permeation partition plate (221) to quickly react with aluminum powder to generate hydrogen; when gas production is stopped, the turnover mechanism (23) drives the reaction bottle (22) to rapidly turn over to be in a non-vertical state with the left chamber (222) on the upper part, and the turnover mechanism is used for enabling the alkaline water in the left chamber (222) to rapidly flow back to the right chamber (223) to rapidly stop reaction.
2. The aluminum-base reaction-controllable hydrogen production system according to claim 1, characterized in that: two limiting grooves (224) which are vertically and symmetrically arranged are formed in the inner wall of the reaction bottle (22) so that the permeation partition plate (221) can be detachably and limitedly fixed in the reaction bottle (22) after being inserted.
3. The aluminum-base reaction-controllable hydrogen production system according to claim 1, characterized in that: infiltration baffle (221) include many frame board (2211), many spinal branchs vaulting pole (2212) and infiltration material layer (2213), many frame board (2211) surround the frame that forms infiltration baffle (221), infiltration material layer (2213) are laid in surrounding the region, many bracing piece (2212) and frame board (2211) fixed connection, in order to be used for supporting to surround regional infiltration material layer (2213).
4. The aluminum-base reaction-controllable hydrogen production system according to claim 1, characterized in that: the turnover mechanism (23) comprises two first bases (231) and a turnover driving assembly (232) which are symmetrically arranged on the rack (21), wherein two convex rotating shafts (225) are arranged on two sides of the outer wall of the reaction bottle (22) and used for being respectively arranged on the two first bases (231), and the turnover driving assembly (232) is arranged close to one of the rotating shafts (225) and used for driving the rotating shaft (225) to rotate so as to enable the reaction bottle (22) to do forward and reverse turnover movement.
5. The aluminum-base reaction-controllable hydrogen production system according to claim 4, characterized in that: upset drive assembly (232) include gear (2321) and drive lever (2322), gear (2321) are fixed in on rotation axis (225), drive lever (2322) are fixed in frame (21) through two rotatable being fixed in of second base (2323), screw thread portion and gear (2321) meshing on the periphery of drive lever (2322), be equipped with hand wheel (2324) on the one end of drive lever (2322), be used for making gear (2321) rotatory with drive reaction bottle (22) forward reverse upset motion through hand drive lever (2322).
6. The aluminum-base reaction-controllable hydrogen production system according to claim 1, characterized in that: an auxiliary device (4) is arranged on a pipeline through which the reaction bottle (22) is communicated with the collecting device (3), the auxiliary device (4) comprises a buffer bottle (41), and when the collecting device (3) stops collecting and the reaction bottle (22) is turned over to stop gas production, residual gas generated in the turning process of the reaction bottle (22) is collected and absorbed by the buffer bottle (41) so that the residual gas does not damage the system pipeline.
7. The aluminum-base reaction-controllable hydrogen production system according to claim 6, characterized in that: the auxiliary device (4) comprises a vacuum pump assembly (42), wherein the vacuum pump assembly (42) is arranged on a pipeline communicated with the buffer bottle (41) and the collecting device (3) and used for vacuumizing the interior of a system pipeline before gas production operation so as to improve the purity of produced hydrogen.
8. The aluminum-base reaction-controllable hydrogen production system according to claim 6, characterized in that: the auxiliary device (4) comprises a pressure stabilizing assembly (43), wherein the pressure stabilizing assembly (43) comprises a pressure stabilizing valve, a speed regulating valve and a flow meter which are arranged on a pipeline, so that the output of the hydrogen flow is stable and controllable.
9. The aluminum-base reaction-controllable hydrogen production system according to claim 1, characterized in that: be equipped with condenser (5) and first filter (6) on the pipeline of reaction bottle (22) output in proper order, condenser (5) are equipped with the condensate of continuous circulation, are used for cooling down the hydrogen of process, pass through the condensation prefilter with the vapor in the hydrogen, be equipped with the drier in first filter (6), further dry purification with the hydrogen that condenser (5) transmitted.
10. The aluminum-base reaction-controllable hydrogen production system according to claim 1, characterized in that: the water injection device (1) comprises a cold water conveying pipeline (11), a hot water conveying pipeline (12) and a main conveying pipeline (13), wherein the cold water conveying pipeline (11) and the hot water conveying pipeline (12) are communicated with a reaction bottle (22) through the main conveying pipeline (13), a regulating valve (14) is arranged on each of the cold water conveying pipeline (11) and the hot water conveying pipeline (12) and used for regulating and controlling the water injection temperature through flow, and a second filter (15) is arranged on the main conveying pipeline (13) and used for filtering impurities in water.
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Cited By (1)
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| CN112142002B (en) | 2022-03-11 |
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