阅读说明：本技术 一种可控的化学制氢反应装置 (A kind of controllable chemical hydrogen making reaction device ) 是由 刘艺培 侯向理 叶龙 于 2019-08-23 设计创作，主要内容包括：本发明提供一种可控的化学制氢反应装置,包括储水罐、若干反应器、冷凝器和过滤器,输液泵通过并联的管道泵水至各个反应器中,反应器内部设有包裹预混均匀的固体制氢药剂的初滤装置,进水管道直接插入初滤装置,运行输液泵即可制氢,反应产生的气体经冷凝后连同冷凝水回流至储水罐,随后经过滤通至燃料电池。该装置以直接向固体制氢药剂加水制氢的方式制氢,简化结构,有效提高原料利用率,提高氢气纯度,防止管道堵塞；将过大的氢气压力用于进水,制氢反应不受气体压力影响,反应速率高,安全可控。通过增加或减少反应器数量及大小,实现不同的制氢要求,操作简单,适用性好。(The present invention provides a kind of controllable chemical hydrogen making reaction device, including water tank, several reactors, condenser and filter, infusion pump is pumped by pipeline in parallel into each reactor, inside reactor is equipped with the initial filter device that package premixes uniform solid hydrogen manufacturing medicament, water inlet line is inserted directly into initial filter device, run infusion pump can hydrogen manufacturing, react the gas of generation after condensing together with condensate return to water tank, then pass through filter and pass to fuel cell.Device hydrogen manufacturing in a manner of directly adding water hydrogen manufacturing to solid hydrogen manufacturing medicament simplifies structure, effectively improves raw material availability, improves hydrogen purity, prevents line clogging；Excessive Hydrogen Vapor Pressure is used to intake, for hydrogen production reaction not by gas pressure influence, reaction rate is high, safely controllable.By increasing or decreasing reactor quantity and size, different hydrogen manufacturing requirements is realized, easy to operate, applicability is good.)

1. a kind of controllable chemical hydrogen making reaction device, including water tank (1), reactor (3), condenser (5) and filter (6), it is characterised in that: it is connected with the first water inlet pipe (8) and the first hydrogen efferent duct (9) on the reactor (3), described first Water inlet pipe (8) is equipped with infusion pump (2) and is delivered to reactor through the first water inlet pipe (8) with the water for storing the water tank (1) (3), the first hydrogen efferent duct (9) is used to the gas that the reactor (3) generate being delivered to the storage through condenser (5) Water pot (1), the filter (6) are connect by the second hydrogen efferent duct (10) with the water tank (1), the filter (6) Equipped with third hydrogen efferent duct (11)；The initial filter device (4) of package solid hydrogen manufacturing medicament, institute are equipped with inside the reactor (3) It states the first water inlet pipe (8) and reactor (3) connected end protrudes into the initial filter device (4).

2. controllable chemical hydrogen making reaction device according to claim 1, it is characterised in that: the water tank (1) and instead It answers and is also connected with the second water inlet pipe (12) between device (3), the water outlet generated by water storage by Hydrogen Vapor Pressure for conveying water tank (1), Second water inlet pipe (12) is equipped with flow valve (13).

3. controllable chemical hydrogen making reaction device according to claim 1, it is characterised in that: the second hydrogen efferent duct (10) pressure regulator valve (15) are equipped with, the pressure regulator valve (15) automatic opening when detecting that air inlet pressure force value is higher than setting value.

4. controllable chemical hydrogen making reaction device according to claim 1, it is characterised in that: first water inlet pipe (8) It is connected multiple reactors (3) by way of in parallel, the gas that each reactor (3) generates is through on the first hydrogen efferent duct (9) The multiple-way valve (7) of setting exports after converging.

5. controllable chemical hydrogen making reaction device according to claim 1, it is characterised in that: the water tank (1) is equipped with Detect the pressure gauge (14) of air pressure inside.

6. controllable chemical hydrogen making reaction device according to claim 1, it is characterised in that: the initial filter device (4) is The water inlet pipe (8) is fixed on non-woven bag top by binding by non-woven bag.

7. controllable chemical hydrogen making reaction device according to claim 1, it is characterised in that: the condenser (5) is by dissipating Hot device and fan composition.

8. controllable chemical hydrogen making reaction device according to claim 1, it is characterised in that: the filter (6) includes There is the ion exchange resin for removing gaseous impurity and absorbs molecular sieve, the water-absorbing resin etc. of extra vapor.

Technical field

The invention belongs to field of fuel cell technology, in particular to a kind of controllable chemical hydrogen making reaction device.

Background technique

Fuel cell system converts output source as energy, and hydrogen-feeding system is needed to provide stable, reliable hydrogen for its power generation Gas supply, this determines the effect of fuel cell power generation simultaneously.Using boron hydride as the chemical hydrogen making and hydrogen supply mode of raw material, both may be used It to eliminate the inconvenience of hydrogen storage and transport aspect, and can be realized environmental-friendly in chemical hydrogen manufacturing, furthermore which has Produce the advantages that hydrogen purity is high, reaction starting is fast, hydrogen-producing speed is controllable, product cleaning is recyclable, thereby be thought to be a kind of safety, The efficient and very strong hydrogen-preparing hydrogen-storing technology of practicability.Pure boron hydride dynamic performance in independent hydrolysis is poor, needs It adds catalyst, addition acid or heating etc. and promotes its hydrolysis.Wherein, using effective catalyst be realize rapid reaction starting and The effectively most effectual way of control hydrogen-producing speed is reacted as follows by taking sodium borohydride as an example:

Whole hydrogen can be released rapidly under room temperature and low temperature by catalyzing hydrolysis sodium borohydride, with changing for traditional chemical hydride Matter compares (methane, methanol etc.), and sodium borohydride production hydrogen process is simple, high-efficient, is widely applied hydrogen production process.

The performance indicators such as gas production rate, response time, fuel conversion and the system energy efficiency of catalyzing hydrolysis hydrogen manufacturing are removed It is closely related outer with system operating condition, also depend greatly on device design.Existing boron hydride hydrogen production bioreactor It is made of mostly storage tank, residual liquid tank, reactor and condensing unit, it is anti-with catalyst that borohydride solution is delivered to reactor It answers, controls hydrogen production process by the start and stop or speed of the adjustment charging of detection system pressure change, product liquid after gas-liquid separation State object is stored in residual liquid tank, uses after gas condensation for fuel cell.It is this to design the utilization that not only consider reaction process raw material Rate, also to carry out product separation and control pressure inside the tank prevent it is excessively high, it is complicated for operation in practical application, transport, carry not Just and energy consumption is high, and the mode that furthermore boron hydride is configured to aqueous solution reduces whole hydrogen-storage density, but also whole system It is lengthy and jumbled.

Application No. is 20111049658.8 Chinese invention patents, disclose a kind of portable secured controllable hydrolysis system Solid reactant is placed directly in reactor by hydrogen production device, makes reaction mass that hydrolysis occur by conveying water to reactor anti- Hydrogen should be generated, inflow is adjusted according to reactor pressure situation of change to control reaction rate.The invention hydrolysis system Hydrogen production device is by the way of directly adding water hydrogen manufacturing to solid reactant, compared with boron hydride is configured to aqueous solution, improves Hydrogen-storage density avoids double jar structure (storage tank and raffinates because by-product aqueous solution infiltration solid reactant can continue hydrogen manufacturing Tank), construction is simplified, and easy to operate；But be not directed to catalyst it is possible that influence efficiency, and generate gas can have it is miscellaneous Matter influences purity, can damage to battery, and the pipeline of long-term so conveying gas may block, and furthermore passes through pressure Variation adjusts inflow, so that reaction rate is big by pressure variations influence, reduces efficiency.

Summary of the invention

To solve the above problems, the present invention provides a kind of controllable chemical hydrogen making reaction device, operation simple with structure Feature convenient, safely controllable, production gas is with high purity, raw material availability and reaction efficiency are high.

In order to achieve the above objectives, the specific technical solution that the present invention uses is as follows:

A kind of controllable chemical hydrogen making reaction device, including water tank, reactor, condenser and filter, on the reactor It is connected with the first water inlet pipe and the first hydrogen efferent duct, first water inlet pipe is equipped with infusion pump to store the water tank Water is delivered to reactor through the first water inlet pipe, and the gas that the first hydrogen efferent duct is used to generate the reactor is through condensing Device is delivered to the water tank, and the filter is connect by the second hydrogen efferent duct with the water tank, and the filter is set There is third hydrogen efferent duct；The inside reactor is equipped with the initial filter device of package solid hydrogen manufacturing medicament, first water inlet pipe The initial filter device is protruded into reactor connected end.

Reactor integrates storing hydrogen manufacturing in chemistry hydrogen making reaction device of the present invention, and solid hydrogen manufacturing medicament is preparatory The initial filter device in reactor is poured into, by being reacted from water tank to reactor water inlet, solid hydrogen manufacturing medicament produces after meeting water Raw hydrogen can pass through initial filter device, and the lye generated in hydrogen-making reaction procedure and foam are trapped in initial filter device, no Double jar structures are not only saved in the removal recycling that must consider by-product, but also gaseous product filters off a large amount of impurity and effectively prevent outlet Pipeline blocks, and improves safety while simplifying structure.The hydrogen just filtered is again with condensed water after condenser is cooling It is back in water tank, is used after being handled using filter for battery.Device institute's hydrogen is through initial filter, cooling washing and filtering It is with high purity after drying, effectively avoid damage of the lye to battery；One tank of water tank is multi-purpose, play water supply, cooling washing hydrogen and Recycle the effect of condensed water.

Hydrogen manufacturing medicament includes hydrogen production agent and catalyst, and hydrogen production agent is one of sodium borohydride, potassium borohydride, lithium borohydride Or it is a variety of, catalyst is one of precious metal salt, transition metal salt, solid acid or a variety of.Existing solid sodium borohydride system Hydrogen methods, be by catalyst solution be added solid sodium borohydride in, this method the problem is that with reaction progress, One layer of kodalk crystallizing layer can be accumulated on sodium borohydride core, later reaction depends on effectively infiltration kodalk crystallizing layer The water of sodium borohydride core is reached, sodium borohydride utilization rate is low.And the present invention pours into hydrogen production agent and catalyst after mixing Initial filter device makes have biggish contact area always between the two, then hydrogen production reaction occurs by water inlet, even if generating inclined boron Sour sodium crystallization, the contained crystallization water can also supply the hydrogen agent of surrounding and catalyst continues to react, and effectively improve raw material utilization Rate.

Preferably, the second water inlet pipe is also connected between the water tank and reactor, for convey water tank because water storage by The water outlet that Hydrogen Vapor Pressure generates, second water inlet pipe are equipped with flow pump.In the prior art when gas pressure is excessive, usually Slow down reaction speed by reducing inflow or pause water inlet, pressure reduction restores to intake again after gas conveying, reaction speed Rate is big by pressure influence.For this problem, the second water inlet pipe of present invention setting dredges gas pressure, when water tank internal pressure mistake When big, water storage enters the second water inlet pipe, and flow valve is opened when reaching certain flow, and water enters reactor and hydrogen production reaction occurs, because This reaction rate by gas pressure influence and can not efficiently use gas pressure.

Preferably, the second hydrogen efferent duct is equipped with pressure regulator valve, and the pressure regulator valve is detecting that air inlet pressure force value is higher than It is automatically turned on when setting value, carries out subsequent delivery after inlet pressure is reduced to a certain steady state value.

Preferably, first water inlet pipe connects multiple reactors, the gas that each reactor generates by way of in parallel Multiple-way valve of the body through being arranged on the first hydrogen efferent duct exports after converging.Different hydrogen manufacturing is realized using reactor design in parallel It is required that different demands can be met by increasing or decreasing reactor quantity and size, it is easy to operate.

Preferably, the water tank is equipped with the pressure gauge of detection air pressure inside, and real-time monitoring understands response situation.

Preferably, the initial filter device is non-woven bag, and the water inlet pipe is fixed on non-woven bag top by binding. Non-woven fabrics has good gas permeability, and hydrogen is penetrated by non-woven fabrics and impurity is trapped in bag, reaches good initial filter effect, Water inlet pipe, which is fixed on non-woven bag top, prevents its nozzle to be detached from non-woven bag and pouring in a large amount of hydrogen influences water inlet.

Preferably, the condenser is made of radiator and fan.

Preferably, the filter includes the ion exchange resin for removing gaseous impurity and point for absorbing extra vapor Sub- sieve, water-absorbing resin etc..

The invention has the following advantages:

By the way that the initial filter device of package solid hydrogen manufacturing medicament is arranged in reactor, directly to add water hydrogen manufacturing to solid hydrogen manufacturing medicament Mode hydrogen manufacturing avoids double jar structures, reduces hydrogen impurity, pipeline blockage is prevented, but also the alkali generated in hydrogen-making reaction procedure Liquid and foam are effectively controlled, thus existing security risk during avoiding operation, structure is simple, highly-safe. Institute's hydrogen is after initial filter, cooling washing and filtration drying, purity is high, and the damage to battery is small.Excessive Hydrogen Vapor Pressure is used In water inlet, so that hydrogen production reaction improves reaction rate not by gas pressure influence, it is safely controllable.In addition, can according to hydrogen output and Corresponding volume, quality requirement freely adjust reactor quantity and size, realize different hydrogen manufacturing requirements, easy to operate, are applicable in Property is good.

Hydrogen manufacturing medicament is the solid homogeneous mixture of hydrogen production agent and catalyst, and catalyst solution is added admittedly with the prior art It is compared in body hydrogen production agent, the method for operation is simple, effectively reduces crystallization and inhibits, improves raw material availability, guarantees that hydrogen production process continues It carries out.

Detailed description of the invention

Fig. 1: structural schematic diagram of the invention.

In figure: 1- water tank, 2- infusion pump, 3- reactor, 4- initial filter device, 5- condenser, 6- filter, 7- multi-pass Valve, the first water inlet pipe of 8-, 9- the first hydrogen efferent duct, 10- the second hydrogen efferent duct, 11- third hydrogen efferent duct, 12- second Water inlet pipe, 13- flow valve, 14- pressure gauge, 15- pressure regulator valve.

Specific embodiment

Below in conjunction with attached drawing, the present invention is further illustrated.