阅读说明：本技术 一种基于高温燃料余热利用制氢的气体净化设备 (Gas purification equipment for producing hydrogen based on utilization of waste heat of high-temperature fuel ) 是由 王伟平 李俊杰 戴彬婷 陈晓阳 李娜 黎国滨 于 2021-01-21 设计创作，主要内容包括：本发明公开了一种基于高温燃料余热利用制氢的气体净化设备,属于制氢领域,一种基于高温燃料余热利用制氢的气体净化设备,包括上端开设有出气口的净化箱,净化箱的一侧连通有进气管,净化箱的底部填充有氢氧化钠吸收液,且进气管的出气端位于氢氧化钠吸收液的底部,本方案先用饱和的氢氧化钠溶液吸收二氧化碳,而且在吸收的过程中可通过悬浮球的拉扯向溶液中添加氢氧化钠,以保持氢氧化钠的有效浓度,有效提高二氧化碳的去除率,拦截网上的选择吸附性树脂从内部吸收氯化亚铜的盐酸溶液,穿过拦截网的一氧化碳被选择吸附性树脂吸收,从而达到净化的目的,有效提高一氧化碳的去除率,还利用吸水树脂除去掺杂的水汽,进一步气体提高净化效果。(The invention discloses a gas purification device for producing hydrogen based on utilization of waste heat of high-temperature fuel, which belongs to the field of hydrogen production and comprises a purification box, wherein the upper end of the purification box is provided with an air outlet, one side of the purification box is communicated with an air inlet pipe, the bottom of the purification box is filled with sodium hydroxide absorption liquid, and the air outlet end of the air inlet pipe is positioned at the bottom of the sodium hydroxide absorption liquid. The removal rate of carbon monoxide is effectively improved, and the water-absorbent resin is used for removing doped water vapor, so that the gas purification effect is further improved.)

1. The utility model provides a gaseous clarification plant based on hydrogen is manufactured to high temperature fuel waste heat utilization, includes purifying box (1) of gas outlet is seted up to the upper end, one side intercommunication of purifying box (1) has intake pipe (2), its characterized in that: the bottom of the purification box (1) is filled with sodium hydroxide absorption liquid, the air outlet end of the air inlet pipe (2) is positioned at the bottom of the sodium hydroxide absorption liquid, the inner wall of the upper end of the purification box (1) is fixedly connected with a partition plate (3), a plurality of purification balls (4) are embedded in the partition plate (3), a cavity is formed in the purification balls (4), an interception net (5) is fixedly connected to the inner wall of the cavity, an air outlet channel (6) is formed in the upper half part of the purification balls (4), an air outlet hole (7) is communicated between the air outlet channel (6) and the cavity, an opening is formed in the uppermost end of the air outlet channel (6), a plurality of air inlet holes (8) communicated with the cavity are formed in the lower half part of the purification balls (4), a hollow plate (11) is fixedly connected to the inner wall of the purification box (1) positioned above the partition plate (3), and a plurality of dehumidifying balls (12) are, and the upper and lower side walls of the hollow plate (11) are provided with a plurality of air holes (13).

2. The gas purification device for producing hydrogen by utilizing waste heat of high-temperature fuel according to claim 1, characterized in that: the intercepting net (5) comprises a netted liquid passing pipe (501), the liquid passing pipe (501) is filled with carbon monoxide absorption liquid, the outer surface of the liquid passing pipe (501) is wrapped with selective adsorption resin (502), and the selective adsorption resin (502) is connected with an absorption extension body to the inside of the liquid passing pipe (501).

3. The gas purification device for producing hydrogen by utilizing waste heat of high-temperature fuel according to claim 2, characterized in that: liquid pipe has been seted up to the inner wall of division board (3), the both sides of interception net (5) all communicate have with communicating pipe (9) of the intercommunication that leads to liquid pipe (501), and communicate pipe (9) run through to leading to in the liquid pipe, the equal fixedly connected with of both sides lateral wall of purifying box (1) has liquid reserve tank (10) with the liquid pipe intercommunication, and has held the carbon monoxide absorption liquid in liquid reserve tank (10).

4. The gas purification device for producing hydrogen by utilizing waste heat of high-temperature fuel according to claim 1, characterized in that: the utility model discloses a purification box, including purifying box (1), the lateral wall fixedly connected with storage case (14) of intake pipe (2) are kept away from in purifying box (1), and hold the sodium hydroxide powder in storage case (14), the blanking passageway that communicates with purifying box (1) is seted up to the lower extreme of storage case (14), and the inner wall fixedly connected with elastic seal board (15) of blanking passageway, suspension has suspension ball (17) in the sodium hydroxide absorption liquid in purifying box (1), and suspension ball (17) through the lower extreme lateral wall fixed connection of connecting rope and elastic seal board (15).

5. The gas purification equipment for producing hydrogen based on the utilization of the waste heat of the high-temperature fuel as claimed in claim 4, wherein the gas purification equipment comprises: the elastic sealing plate (15) is made of a silica gel material, and a plurality of inverted triangular blanking holes (16) are formed in the side wall of the elastic sealing plate (15).

6. The gas purification equipment for producing hydrogen based on the utilization of the waste heat of the high-temperature fuel as claimed in claim 4, wherein the gas purification equipment comprises: the sodium hydroxide in the purifying box (1) is saturated solution, and the density of the suspension ball (17) is equal to that of the saturated solution of the sodium hydroxide.

7. The gas purification device for producing hydrogen by utilizing waste heat of high-temperature fuel according to claim 1, characterized in that: the dehumidifying ball (12) comprises a reticular keel (1201) and water-absorbent resin (1202), wherein the keel (1201) and the water-absorbent resin (1202) are connected in a mutual penetration mode.

8. The gas purification device for producing hydrogen by using waste heat of high-temperature fuel according to claim 7, wherein: the keel (1201) is made of a polyurethane material, and the water-absorbent resin (1202) is made of a water-absorbent resin material.

9. The gas purification device for producing hydrogen by utilizing waste heat of high-temperature fuel according to claim 1, characterized in that: the carbon monoxide absorption liquid is hydrochloric acid solution of cuprous chloride.

10. The gas purification device for producing hydrogen by utilizing waste heat of high-temperature fuel according to claim 1, characterized in that: the bottom of the purifying box (1) is also provided with a driving device.

Technical Field

The invention relates to the field of hydrogen production, in particular to gas purification equipment for producing hydrogen by utilizing waste heat of high-temperature fuel.

Background

Hydrogen production and hydrogen preparation. Hydrogen energy is a secondary energy source, hydrogen production by water is the most promising method in the long run, raw materials are inexhaustible, and water is generated after hydrogen burns to release energy, so that environmental pollution is avoided. Common methods for producing hydrogen are: hydrogen production by various fossil fuels, hydrogen production by water electrolysis, hydrogen production by biomass, hydrogen production by other hydrogen-synthesizing substances, recovery of hydrogen by-product in various chemical processes and the like. Hydrogen production from various fossil fuels is the most important hydrogen production method, but the reserves are limited, and the hydrogen production process causes pollution to the environment.

As energy consumption has increased, finding new energy sources has become an important task at present. As an energy source with the most development potential, hydrogen has wide sources, hardly generates pollution, has high conversion efficiency and wide application prospect. The natural gas is used for preparing the hydrogen, so that the energy crisis of China can be relieved to a certain extent, and the transformation of the energy utilization structure of China is further promoted. The principle of the natural gas hydrogen production process is that natural gas is pretreated, methane and water vapor are converted into carbon oxide, hydrogen and the like in a converter, after waste heat is recovered, carbon monoxide is converted into carbon dioxide and hydrogen in a conversion tower, and the process technology is realized on the basis of the natural gas steam conversion technology. In the shift tower, in the presence of catalyst, the reaction temperature is controlled, and the carbon monoxide in the converted gas reacts with water to produce hydrogen and carbon dioxide.

The gas from the shift converter needs to be purified because it contains carbon dioxide and a small amount of carbon monoxide which is not completely reacted in addition to the required hydrogen, and the conventional method for removing carbon dioxide is to press the gas into water to dissolve CO2 and remove the remaining CO from the solution containing cuprous carbamate (or cuprous acetate) to obtain relatively pure hydrogen, but the dissolution rate of carbon dioxide in water is low, the purification is not complete enough, and the concentration of the solution is gradually reduced after carbon monoxide is absorbed by the solution, and the absorption effect is gradually deteriorated.

Disclosure of Invention

1. Technical problem to be solved

The scheme includes that saturated sodium hydroxide solution is used for absorbing carbon dioxide, sodium hydroxide can be added into the solution through pulling of a suspension ball in the absorbing process to ensure that the concentration of the sodium hydroxide is not reduced, the removal rate of the carbon dioxide is effectively improved, carbon monoxide is absorbed by an interception net, cuprous chloride hydrochloric acid solution is absorbed from the inside by selective adsorption resin on the interception net, and the carbon monoxide passing through the interception net is absorbed by the selective adsorption resin, so that the purification purpose is achieved, the removal rate of the carbon monoxide is effectively improved, doped water vapor is removed by the water absorption resin, and the purification effect is further improved.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A gas purification device for producing hydrogen based on utilization of waste heat of high-temperature fuel comprises a purification box with an air outlet at the upper end, wherein an air inlet pipe is communicated with one side of the purification box, sodium hydroxide absorption liquid is filled in the bottom of the purification box, the air outlet end of the air inlet pipe is positioned at the bottom of the sodium hydroxide absorption liquid, a partition plate is fixedly connected to the inner wall of the upper end of the purification box, a plurality of purification balls are embedded in the partition plate, cavities are formed in the purification balls, an interception net is fixedly connected to the inner wall of each cavity, an air outlet channel is formed in the upper half part of each purification ball, an air outlet hole is communicated between each air outlet channel and each cavity, an opening is formed in the uppermost end of each air outlet channel, a plurality of air inlet holes communicated with the cavities are formed in the lower half part of each purification ball, a hollow plate is fixedly connected to the inner wall, and a plurality of air holes are formed in the side walls of the upper side and the lower side of the hollow plate.

Further, the interception net includes netted liquid pipe that leads to, it has the carbon monoxide absorption liquid to lead to the intussuseption of liquid pipe, the surface parcel that leads to the liquid pipe has selective adsorption resin, and the adsorption efficiency who selects adsorption resin is better, can effectively improve purifying effect, and selects adsorption resin to have the absorption extension body to the internal connection that leads to the liquid pipe, selects adsorption resin to absorb the inside cuprous chloride hydrochloric acid solution to the outside that leads to the liquid pipe to absorb carbon monoxide.

Further, the inner wall of division board has been seted up and has been led to the liquid pipe, the both sides of interception net all communicate have with the communicating pipe of the intercommunication that leads to the liquid pipe, and run through communicating pipe to leading to in the liquid pipe, the equal fixedly connected with of both sides lateral wall of purifying box and the liquid reserve tank that leads to the liquid pipe intercommunication, and contain the carbon monoxide absorption liquid in the liquid reserve tank, the absorption liquid uses concentration step-down after a period, and the absorption effect variation, and constantly supply new absorption liquid through the liquid reserve tank to leading to in the liquid pipe, can effectively improve the absorption effect.

Further, the lateral wall fixedly connected with storage case that the intake pipe was kept away from to the purifying box, and the storage case has held the sodium hydroxide powder, the blanking passageway with the purifying box intercommunication is seted up to the lower extreme of storage case, and the inner wall fixedly connected with elastic seal plate of blanking passageway, the suspension has the suspended ball in the sodium hydroxide absorption liquid in the purifying box, and the suspended ball passes through the lower extreme lateral wall fixed connection of connecting rope and elastic seal plate, and sodium hydroxide and carbon dioxide reaction generate sodium carbonate deposit and water to absorb carbon dioxide, and can reduce gradually along with the concentration of the absorption liquid that carries on of reaction, and the absorption effect variation replenishes sodium hydroxide in order to ensure the efficient absorption effect in the absorption liquid through the storage case.

Further, elastic sealing plate adopts the silica gel material to make, a plurality of triangle-shaped's of inverting blanking hole have been seted up to elastic sealing plate's lateral wall, and elastic sealing plate is straight state under natural state, and the blanking hole is closed state this moment, and when elastic sealing plate received the detailed dragging of suspension ball, elastic sealing plate is the bending state, and the blanking hole is open mode this moment for the sodium hydroxide powder falls into in the absorption liquid.

Further, sodium hydroxide in the purification box is saturated solution, the density of the suspension ball is equal to that of the saturated solution of sodium hydroxide, the suspension ball is suspended on the liquid level when the absorption liquid is in a saturated state, the density of the absorption liquid is reduced along with the reaction, so that the suspension ball sinks, and the suspension ball pulls the elastic sealing plate downwards to enable sodium hydroxide powder to fall into the absorption liquid.

Furthermore, the dehumidification ball comprises a reticular keel and water absorbent resin, wherein the keel and the water absorbent resin are mutually connected in a penetration manner, so that the ventilation holes are prevented from being blocked due to volume expansion after the water absorbent resin absorbs solution.

Furthermore, the keel is made of polyurethane materials, the polyurethane materials are stable in mechanical performance, the water-absorbent resin can be prevented from expanding in volume, the water-absorbent resin is made of water-absorbent resin materials, the absorption performance of the resin is good, and the absorption effect can be effectively improved.

Further, the carbon monoxide absorption liquid is a hydrochloric acid solution of cuprous chloride, so that carbon monoxide can be better absorbed.

Furthermore, the bottom of purifying box still is provided with drive arrangement for let sodium hydroxide fully absorb carbon dioxide, also for the sodium hydroxide of newly adding incoming dissolves fast.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) the scheme firstly absorbs carbon dioxide by using a saturated sodium hydroxide solution, and sodium hydroxide is added into the solution by pulling the suspension ball in the absorption process, so that the concentration of the sodium hydroxide is not reduced, the removal rate of the carbon dioxide is effectively improved, the interception net is used for absorbing the carbon monoxide, the selective adsorption resin on the interception net absorbs the hydrochloric acid solution of cuprous chloride from the inside, the carbon monoxide passing through the interception net is absorbed by the selective adsorption resin, the purification purpose is achieved, the removal rate of the carbon monoxide is effectively improved, in addition, the water absorption resin is used for removing doped water vapor, and the purification effect is further improved.

(2) The interception net includes netted liquid pipe that leads to, leads to the intraductal packing of liquid and has the carbon monoxide absorption liquid, and the surface parcel that leads to the liquid pipe has selective adsorption resin, and selective adsorption resin's adsorption performance is better than, can effectively improve purifying effect, and selects adsorption resin to have the absorption extension body to the internal connection that leads to the liquid pipe, selects adsorption resin to absorb the inside cuprous chloride hydrochloric acid solution that leads to the liquid pipe to outside to absorb carbon monoxide.

(3) The liquid pipe that leads to has been seted up to the inner wall of division board, the both sides of interception net all communicate have with the communicating pipe that leads to the intercommunication of liquid pipe, and run through communicating pipe to leading to in the liquid pipe, the equal fixedly connected with of both sides lateral wall of purifying box and the liquid reserve tank that leads to the liquid pipe intercommunication, and contain the carbon monoxide absorption liquid in the liquid reserve tank, the absorption liquid uses concentration step-down after a period, and the absorption effect variation, and constantly supply new absorption liquid through the liquid reserve tank in to leading to the liquid pipe, can effectively improve the absorption effect.

(4) The lateral wall fixedly connected with storage case that the intake pipe was kept away from to the purifying box, and the sodium hydroxide powder has been held in the storage case, the blanking passageway with the purifying box intercommunication is seted up to the lower extreme of storage case, and the inner wall fixedly connected with elastic seal plate of blanking passageway, the suspension has the suspension ball in the sodium hydroxide absorption liquid in the purifying box, and the suspension ball is through the lower extreme lateral wall fixed connection who connects rope and elastic seal plate, sodium hydroxide and carbon dioxide reaction generate sodium carbonate and deposit and water, thereby absorb the carbon dioxide, and can reduce gradually along with the concentration of the absorption liquid that carries on of reaction, the absorption effect variation, make up sodium hydroxide in order to ensure the efficient absorption effect in to the absorption liquid through the storage case.

(5) Elastic sealing plate adopts the silica gel material to make, and a plurality of triangle-shaped's of inverting blanking hole has been seted up to elastic sealing plate's lateral wall, and elastic sealing plate is straight state under natural condition, and the blanking hole is closed state this moment, and when elastic sealing plate received the detailed dragging of suspension ball, elastic sealing plate is the bending state, and the blanking hole is open mode this moment for the sodium hydroxide powder falls into in the absorption liquid.

(6) The sodium hydroxide in the purifying box is saturated solution, the density of the suspension ball is equal to that of the saturated solution of the sodium hydroxide, the suspension ball is suspended on the liquid level when the absorption liquid is in a saturated state, the density of the absorption liquid is reduced along with the reaction to enable the suspension ball to sink, and the suspension ball pulls the elastic sealing plate downwards to enable the sodium hydroxide powder to fall into the absorption liquid.

(7) The dehumidifying ball comprises a reticular keel and water-absorbent resin, the keel and the water-absorbent resin are mutually connected in a penetrating way, and the purpose is to prevent the air holes from being blocked due to volume expansion after the water-absorbent resin absorbs solution.

(8) The keel is made of polyurethane materials, the polyurethane materials are stable in mechanical performance and can prevent the volume of the water-absorbent resin from expanding, the water-absorbent resin is made of water-absorbent resin materials, the absorption performance of the resin is good, and the absorption effect can be effectively improved.

(9) The carbon monoxide absorption liquid is a hydrochloric acid solution of cuprous chloride, and is used for better absorbing carbon monoxide.

(10) The bottom of the purification box is also provided with a driving device for the sodium hydroxide to fully absorb the carbon dioxide and for the newly added sodium hydroxide to be quickly dissolved.

Drawings

FIG. 1 is a schematic structural diagram of a first operating state of the present invention;

FIG. 2 is a structural diagram illustrating a second operating state of the present invention;

FIG. 3 is a schematic cross-sectional view of the purification ball of the present invention;

FIG. 4 is a schematic view of the structure at A in FIG. 3;

FIG. 5 is a schematic view of the structure of the dehumidifying ball according to the present invention;

FIG. 6 is a schematic structural view of the elastic sealing plate of the present invention before deformation;

fig. 7 is a schematic structural view of the elastic sealing plate of the present invention after deformation.

The reference numbers in the figures illustrate:

1 purifying box, 2 air inlet pipes, 3 separating plates, 4 purifying balls, 5 intercepting nets, 501 liquid passing pipes, 502 selective adsorption resin, 6 air outlet channels, 7 air outlet holes, 8 air inlet holes, 9 communicating pipes, 10 liquid storage boxes, 11 hollow plates, 12 dehumidifying balls, 1201 keel, 1202 water absorption resin, 13 air vent holes, 14 material storage boxes, 15 elastic sealing plates, 16 blanking holes and 17 suspension balls.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-7, a gas purification apparatus for producing hydrogen by utilizing waste heat of high-temperature fuel, referring to fig. 1-2, comprises a purification box 1 with an air outlet at the upper end, the bottom of the purification box 1 is further provided with a driving device for allowing sodium hydroxide to fully absorb carbon dioxide and for rapidly dissolving newly added sodium hydroxide, one side of the purification box 1 is communicated with an air inlet pipe 2, the bottom of the purification box 1 is filled with sodium hydroxide absorption liquid, the air outlet end of the air inlet pipe 2 is positioned at the bottom of the sodium hydroxide absorption liquid, the inner wall of the upper end of the purification box 1 is fixedly connected with a partition plate 3, and a plurality of purification balls 4 are embedded in the partition plate 3;

referring to fig. 3-4, a cavity is formed inside the purification ball 4, an interception net 5 is fixedly connected to an inner wall of the cavity, the interception net 5 includes a netted liquid passing tube 501, a carbon monoxide absorption liquid is filled in the liquid passing tube 501, the carbon monoxide absorption liquid is a hydrochloric acid solution of cuprous chloride, in order to better absorb carbon monoxide, the outer surface of the liquid passing tube 501 is wrapped with a selective adsorption resin 502, the adsorption performance of the selective adsorption resin 502 is better, the purification effect can be effectively improved, the selective adsorption resin 502 is connected with an absorption extension body to the inside of the liquid passing tube 501, the selective adsorption resin 502 absorbs the hydrochloric acid solution of cuprous chloride inside the liquid passing tube 501 to the outside, so as to absorb carbon monoxide, the liquid passing tube is formed on an inner wall of the partition plate 3, the communicating tubes 9 communicated with the liquid passing tube 501 are communicated with both sides of the interception net 5, and the communicating tubes 9 penetrate, the side walls of two sides of the purifying box 1 are fixedly connected with a liquid storage box 10 communicated with the liquid through pipe, carbon monoxide absorption liquid is contained in the liquid storage box 10, the concentration of the absorption liquid becomes low after the absorption liquid is used for a period of time, the absorption effect becomes poor, and new absorption liquid is continuously supplemented into the liquid through pipe 501 through the liquid storage box 10, so that the absorption effect can be effectively improved;

referring to fig. 1-2 and 5, an air outlet channel 6 is formed at the upper half of the purification ball 4, an air outlet hole 7 is communicated between the air outlet channel 6 and the cavity, an opening is formed at the uppermost end of the air outlet channel 6, a plurality of air inlet holes 8 communicated with the cavity are formed at the lower half of the purification ball 4, a hollow plate 11 is fixedly connected to the inner wall of the purification box 1 above the partition plate 3, a plurality of dehumidification balls 12 are filled in the hollow plate 11, a plurality of air vents 13 are formed in the upper side wall and the lower side wall of the hollow plate 11, each dehumidification ball 12 comprises a reticular keel 1201 and a water-absorbent resin 1202, the keel 1201 and the water-absorbent resin 1202 are connected in a penetrating manner, so as to prevent the water-absorbent resin 1202 from absorbing the volume expansion after absorbing the solution to block the air vents 13, the keel 1201 is made of polyurethane material, the mechanical property of polyurethane is stable, the volume expansion of the, the resin has good absorption performance and can effectively improve the absorption effect;

referring to fig. 6-7, a material storage box 14 is fixedly connected to a side wall of the purification box 1 far from the air inlet pipe 2, sodium hydroxide powder is contained in the material storage box 14, a blanking channel communicated with the purification box 1 is formed at a lower end of the material storage box 14, an elastic sealing plate 15 is fixedly connected to an inner wall of the blanking channel, the elastic sealing plate 15 is made of a silica gel material, a plurality of inverted triangular blanking holes 16 are formed in the side wall of the elastic sealing plate 15, the elastic sealing plate 15 is in a flat state in a natural state, the blanking holes 16 are in a closed state, when the elastic sealing plate 15 is pulled by the suspension balls 17 in detail, the elastic sealing plate 15 is in a bent state, the blanking holes 16 are in an open state, so that the sodium hydroxide powder falls into the absorption liquid, the suspension balls 17 are suspended in the sodium hydroxide absorption liquid in the purification box 1, and the sodium hydroxide in the purification box 1 is a saturated solution, the density of suspension ball 17 equals with the density of sodium hydroxide saturated solution, suspension ball 17 suspends at the liquid level during absorption liquid saturated state, it makes suspension ball 17 sink to absorb the liquid density reduction along with the going on of reaction, suspension ball 17 drags elastic sealing plate 15 downwards and lets the sodium hydroxide powder fall into the absorption liquid, and suspension ball 17 is through connecting rope and elastic sealing plate 15's lower extreme lateral wall fixed connection, sodium hydroxide and carbon dioxide reaction generate sodium carbonate and deposit and water, thereby absorb the carbon dioxide, and can reduce gradually along with the concentration of the absorption liquid that carries on of reaction, the absorption effect variation, supplement the sodium hydroxide in order to ensure the efficient absorption effect in the absorption liquid through storage case 14.

The working principle of the device is as follows: the gaseous product that comes out from the shift tower lets in to the purifying box 1 in the sodium hydroxide saturated solution by intake pipe 2, sodium hydroxide and carbon dioxide reaction generate sodium carbonate and deposit and water, thereby absorb the carbon dioxide, along with the reduction of the absorption liquid density that goes on of reaction makes suspension ball 17 sink, suspension ball 17 pulls elastic sealing plate 15 downwards and lets the sodium hydroxide powder fall into the absorption liquid, gas after getting rid of the carbon dioxide rises to purifying ball 4 in coming out in the sodium hydroxide solution, select the inside cuprous chloride hydrochloric acid solution of adsorption resin 502 absorption liquid pipe 501 to outside, carbon monoxide is absorbed by selective adsorption resin 502 when passing through, thereby reach the mesh of getting rid of, gas after the purification continues to rise and obtains pure hydrogen after final drying.

The scheme firstly absorbs carbon dioxide by using a saturated sodium hydroxide solution, and sodium hydroxide is added into the solution by pulling the suspension ball in the absorption process, so that the concentration of the sodium hydroxide is not reduced, the removal rate of the carbon dioxide is effectively improved, the interception net is used for absorbing the carbon monoxide, the selective adsorption resin on the interception net absorbs the hydrochloric acid solution of cuprous chloride from the inside, the carbon monoxide passing through the interception net is absorbed by the selective adsorption resin, the purification purpose is achieved, the removal rate of the carbon monoxide is effectively improved, in addition, the water absorption resin is used for removing doped water vapor, and the purification effect is further improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the equivalent replacement or change according to the technical solution and the modified concept of the present invention should be covered by the scope of the present invention.