阅读说明：本技术 一种氢气生产系统 (Hydrogen production system ) 是由 陈嘉俊 于 2019-12-26 设计创作，主要内容包括：本发明公开了一种氢气生产系统,包括蒸汽锅炉、与所述蒸汽锅炉相配合的反应炉、与所述反应炉相连通的提纯炉及与所述反应炉相配合的废气处理装置；所述废气处理装置包括与所述反应炉相连通的导气管、与所述导气管相连通的吸收室及与所述吸收室相配合的再生室；本发明通过导气管和吸收室的设置,将反应炉中的气体导入到吸收室内,除去其中的废气,从而起到了保护环境和保护工作人员身体健康的作用。(The invention discloses a hydrogen production system, which comprises a steam boiler, a reaction furnace matched with the steam boiler, a purification furnace communicated with the reaction furnace and a waste gas treatment device matched with the reaction furnace, wherein the reaction furnace is communicated with the purification furnace; the waste gas treatment device comprises an air guide pipe communicated with the reaction furnace, an absorption chamber communicated with the air guide pipe and a regeneration chamber matched with the absorption chamber; according to the invention, through the arrangement of the gas guide tube and the absorption chamber, gas in the reaction furnace is introduced into the absorption chamber, and waste gas in the reaction furnace is removed, so that the effects of protecting the environment and protecting the health of workers are achieved.)

1. A hydrogen production system comprises a steam boiler (1), a reaction furnace (2) matched with the steam boiler (1), a purification furnace (3) communicated with the reaction furnace (2) and an exhaust gas treatment device matched with the reaction furnace (2); the method is characterized in that: the waste gas treatment device comprises a gas guide pipe (61) communicated with the reaction furnace (2), an absorption chamber (62) communicated with the gas guide pipe (61) and a regeneration chamber (63) matched with the absorption chamber (62);

the absorption chamber (62) comprises a first absorption cavity (621) communicated with the air guide pipe (61), a second absorption cavity (622) communicated with the first absorption cavity (621), a third absorption cavity (623) communicated with the second absorption cavity (622), a spraying cavity (624) communicated with the third absorption cavity (623) and a centrifugal atomizer (7) arranged in the spraying cavity (624);

the regeneration chamber (63) comprises a liquid guide pipe (631) with one end communicated with the third absorption cavity (623), a regeneration cavity (632) communicated with the other end of the liquid guide pipe (631), and a liquid conveying pipe (633) used for communicating the regeneration cavity (632) with the centrifugal atomizer (7);

the first absorption chamber (621) is in communication with the second absorption chamber (622) through a first connection pipe (625); one end of the first connection pipe (625) is arranged at the top of the first absorption cavity (621), and the other end is arranged close to the bottom of the second absorption cavity (622);

the second absorption cavity (622) is communicated with the third absorption cavity (623) through a second connecting pipe (626); one end of the second connection pipe (626) is disposed at the top of the second absorption chamber (621), and the other end is disposed close to the bottom of the third absorption chamber (623);

the regeneration cavity (632) is communicated with the steam boiler (1) through a steam pipe (12); the steam pipe (12) is arranged close to the bottom of the regeneration chamber (632); the top of the regeneration cavity (632) is provided with a gas collecting pipe (634);

the centrifugal atomizer (7) comprises an atomizing chamber (71) communicated with the infusion tube (633), a driving piece (72) arranged in the atomizing chamber (71), a centrifugal fan (73) detachably connected with the output end of the driving piece (72) and atomizing holes (74) uniformly distributed along the circumferential direction of the atomizing chamber (71);

the top of the spraying cavity (624) is provided with a gas pipe (627) communicated with the purifying furnace (3); the bottom of the spraying cavity (624) is provided with a connecting channel (628) communicated with the third absorption cavity (623); the gas conveying pipe (627) is far away from the connecting channel (628);

the reaction furnace (2) comprises a reaction chamber (21) communicated with the steam boiler (1), a heating chamber (22) arranged below the reaction chamber (21) and a switch device matched with the reaction chamber (21); the heating chamber comprises a combustion chamber (222), a slag chamber (223) and a slag discharge channel (224), an air inlet device is installed in the heating chamber, the air inlet device comprises an air inlet pipe (23), a branch air pipe (24) and an air supply part (25), the air supply part (25) is an air blower, the branch air pipe is arranged at the bottom of the combustion chamber, one end of the air inlet pipe is communicated with the air blower, the other end of the air inlet pipe is communicated with the branch air pipe, a plurality of uniformly distributed air holes (241) are formed in the branch air pipe, a flaring section (242) is formed in each air hole, and a filter screen part (243) is installed on each flaring section; the switching device comprises a discharge valve (41), a transmission assembly, a connecting rod (42), a control rod (43), a transmission chain (44) and a feeding valve (45);

a discharge channel (46) is arranged on the bottom surface of the reaction chamber, a movable groove (461) is arranged on the discharge channel, an axial groove for rotating the transmission shaft is arranged on the movable groove, and the rotary connection between the discharge valve and the movable groove is realized through the matching between the axial groove and the transmission shaft;

a scraping component is arranged in the reaction chamber and comprises an upper scraping piece (463) and a lower scraping piece (462), wherein the upper scraping piece is arranged on the transmission shaft and is in bolt connection with the transmission shaft, so that when the transmission shaft rotates, the upper scraping piece is driven to rotate;

a valve assembly is mounted in the reaction chamber, the valve assembly comprising baffle members (51), a moveable arm (52) and urging members (53); the baffle piece is arranged on the inner wall of the reaction chamber, is hinged with the inner wall of the reaction chamber and is just positioned above the opening of the reaction chamber connected with the steam pipe, so that the baffle piece can be naturally suspended under the action of gravity to seal the steam pipe; the movable arm is arranged on the upper scraping part and is connected with the upper scraping part through a screw, and the pushing part is arranged on the movable arm and is welded with the movable arm;

the transmission assembly comprises a transmission shaft (411), a first transmission gear (412), a second transmission gear (413), a third transmission gear (414) and a rotating shaft (415); the transmission shaft (411) is arranged on the discharge valve (41) and welded with the discharge valve (41); an installation cavity for installing a switch device is formed in the reaction furnace (2), a first transmission gear (412) is installed on a transmission shaft (411) and is in key connection with the transmission shaft (411), a second transmission gear (413) is in rotary connection with the side wall of the installation cavity through a gear shaft, and the second transmission gear (413) is meshed with the first transmission gear (412); the third transmission gear (414) is meshed with the second transmission gear (413), and the third transmission gear (414) is arranged on the rotating shaft and is in key connection with the rotating shaft; one end of the rotating shaft is connected with a supporting rod bearing, the other end of the rotating shaft is provided with two grooves (4151), and one end of the connecting rod (42) is provided with two convex shafts (421); two reset pieces (48) are arranged in the valve groove, the reset pieces are springs, one end of each spring acts on the bottom end of the feeding valve (45), and the other end of each spring acts on the bottom of the valve groove; the bottom of the feeding valve (45) is also fixedly connected with a transmission chain, the bottom of the valve groove is provided with a chain hole for the transmission chain to pass through, and the other end of the transmission chain (44) is connected with a control rod (43); the control rod (43) penetrates out of the rod groove; the rod slot comprises a first slot segment (2111) and a second slot segment (2112); the first groove section is transversely arranged.

Technical Field

The invention belongs to the technical field of hydrogen production, and particularly relates to a hydrogen production system.

Background

Hydrogen is the cleanest energy source, has rich raw materials, can be recycled, and does not generate pollutants harmful to the environment such as carbon monoxide, carbon dioxide, hydrocarbon, lead compounds, dust particles and the like except for generating water and a small amount of hydrogen nitride during combustion.

Among the methods for preparing hydrogen, the water gas method for preparing hydrogen is a method with low cost and large output, and the method needs a high-temperature environment and is heated by burning anthracite; however, the combustion of coal produces a large amount of harmful and polluting gases, which pollute the environment and endanger the health of the workers.

Disclosure of Invention

The invention provides a pollution-free hydrogen production system capable of treating combustion tail gas in order to overcome the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a hydrogen production system comprises a steam boiler, a reaction furnace matched with the steam boiler, a purification furnace communicated with the reaction furnace and an exhaust gas treatment device matched with the reaction furnace; the waste gas treatment device comprises an air guide pipe communicated with the reaction furnace, an absorption chamber communicated with the air guide pipe and a regeneration chamber matched with the absorption chamber; through the arrangement of the gas guide pipe, the gas in the reaction furnace is guided into the absorption chamber, and the harmful gas and the polluted gas in the absorption chamber are all absorbed, so that the emission of the harmful gas and the polluted gas is avoided, and the effects of protecting the environment and protecting the health of workers are achieved; and the absorption liquid for absorbing the waste gas is regenerated and utilized through the arrangement of the regeneration chamber, so that the absorption liquid can be repeatedly recycled, and the effect of reducing the cost is achieved.

Furthermore, the absorption chamber comprises a first absorption cavity communicated with the gas guide pipe, a second absorption cavity communicated with the first absorption cavity, a third absorption cavity communicated with the second absorption cavity, a spraying cavity communicated with the third absorption cavity and a centrifugal atomizer arranged in the spraying cavity; through the setting of a plurality of absorption chambers for not only can detach different waste gas, also can carry out a lot of absorption to waste gas, thereby guarantee to absorb the waste gas in the gas totally, and the setting that sprays chamber and centrifugal atomizer then has further played the effect of filtering waste gas.

Furthermore, the regeneration chamber comprises a liquid guide pipe, a regeneration cavity and a liquid conveying pipe, wherein one end of the liquid guide pipe is communicated with the third absorption cavity, the regeneration cavity is communicated with the other end of the liquid guide pipe, and the liquid conveying pipe is used for communicating the regeneration cavity with the centrifugal atomizer; through the setting of catheter, be linked together third absorption chamber and regeneration chamber, thereby make the absorption liquid in the third absorption chamber can be led into regeneration chamber regeneration, when playing the effect of saving cost, also make the absorption liquid have better effect of absorbing waste gas all the time, the rethread transfer line is linked together regeneration chamber and centrifugal nebulizer, thereby to be guided into the centrifugal nebulizer blowout by the absorption liquid after regenerating, complete circulation has been established, make absorption liquid can cyclic utilization, play better effect of purifying waste gas.

Further, the first absorption cavity is communicated with the second absorption cavity through a first connecting pipe; one end of the first connecting pipe is arranged at the top of the first absorption cavity, and the other end of the first connecting pipe is close to the bottom of the second absorption cavity; one end of the first connecting pipe is arranged at the top of the first absorption cavity, so that the gas introduced into the first absorption cavity can better enter the first connecting pipe and is introduced into the second absorption cavity; and the other end of the first connecting pipe is arranged at a position close to the bottom of the second absorption cavity, so that the gas guided into the second absorption cavity can float upwards from the bottom, the contact time with the absorption liquid in the second absorption cavity is longer, the reaction is more sufficient, and the waste gas in the gas can be better treated.

Further, the second absorption cavity is communicated with the third absorption cavity through a second connecting pipe; one end of the second connecting pipe is arranged at the top of the second absorption cavity, and the other end of the second connecting pipe is close to the bottom of the third absorption cavity; one end of the second connecting pipe is arranged at the top of the second absorption cavity, so that the gas introduced into the second absorption cavity can better enter the second connecting pipe and is introduced into the third absorption cavity; and the other end of the second connecting pipe is arranged at a position close to the bottom of the third absorption cavity, so that the gas guided into the third absorption cavity can float upwards from the bottom, the contact time with the absorption liquid in the third absorption cavity is longer, the reaction is more sufficient, and the waste gas in the gas can be better treated.

Furthermore, the regeneration cavity is communicated with the steam boiler through a steam pipe; the steam pipe is arranged close to the bottom of the regeneration cavity; the top of the regeneration cavity is provided with a gas collecting pipe; the regeneration cavity is communicated with the steam boiler through the arrangement of the steam pipe, so that the absorption liquid in the regeneration cavity can be regenerated and reduced by utilizing the steam, and the effect of saving the cost is achieved; the outlet of the steam pipe is arranged at the bottom of the regeneration cavity, so that the water vapor can better release heat to heat the absorption liquid in the regeneration cavity in the rising process; and a gas collecting pipe is arranged at the top of the regeneration cavity, so that a gas product obtained by heating the absorption liquid is collected and reused.

Furthermore, the centrifugal atomizer comprises an atomizing chamber communicated with the liquid conveying pipe, a driving piece arranged in the atomizing chamber, a centrifugal fan detachably connected with the output end of the driving piece and atomizing holes uniformly distributed along the circumferential direction of the atomizing chamber; through centrifugal fan's setting, not only play the effect of breaing up the absorption liquid, also played the effect of absorbing the absorption liquid in the regeneration chamber into the atomizer chamber to need not extra driving piece, can practice thrift the cost, also play energy saving and emission reduction's effect, and the setting of a plurality of atomizing holes then further played the effect with absorption liquid atomizing spun, thereby make the contact between absorption liquid and the gas more closely, and then guarantee that the waste gas in the gas can be handled cleaner.

Further, the top of the spraying cavity is provided with a gas pipe communicated with the purification furnace; the bottom of the spraying cavity is provided with a connecting channel communicated with the third absorption cavity; the gas transmission pipe is arranged far away from the connecting channel; through the arrangement of the connecting channel, the absorption liquid after being atomized and reacted with the waste gas can be converged again and then flows into the third absorption cavity, and finally is guided into the regeneration cavity by the liquid guide pipe for recycling, and the gas can also enter the spraying cavity through the connecting channel; the gas pipe is arranged on one side far away from the connecting channel, so that gas entering the spraying cavity can enter the gas pipe only through a long path, and the contact time between the gas and the atomized absorption liquid is longer and the reaction is more sufficient.

Furthermore, the reaction furnace comprises a reaction chamber communicated with the steam boiler, a heating chamber arranged below the reaction chamber and a switch device matched with the reaction chamber; the coal used for reacting with the water vapor and the coal used for heating are separated through the arrangement of the reaction chamber and the heating chamber and are reacted in two places, so that the problem that a large amount of waste gas generated by burning the coal is mixed with the water gas is solved, the impurity content is low, and the subsequent separation and purification are more convenient; and the separation setting of the two makes the reaction of vapor and coal can be carried out continuously, and need not to carry out intermittent type nature heating to coal, thereby makes the production of water gas more high-efficient quick.

In conclusion, the gas in the reaction furnace is introduced into the absorption chamber through the arrangement of the gas guide pipe and the absorption chamber, and the waste gas in the reaction furnace is removed, so that the effects of protecting the environment and protecting the health of workers are achieved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is a sectional view showing the three-dimensional structures of a steam boiler and a reaction furnace according to the present invention;

FIG. 4 is an enlarged schematic view at B of FIG. 3;

FIG. 5 is a top view of a steam boiler according to the present invention;

FIG. 6 is a schematic cross-sectional view taken at A-A in FIG. 5;

FIG. 7 is an enlarged schematic view at C of FIG. 6;

FIG. 8 is an enlarged schematic view at D of FIG. 6;

FIG. 9 is a schematic cross-sectional view taken at B-B in FIG. 5;

FIG. 10 is an enlarged schematic view at E of FIG. 9;

FIG. 11 is a schematic cross-sectional view of a steam boiler and a reaction furnace according to the present invention;

FIG. 12 is an enlarged schematic view at F of FIG. 11;

FIG. 13 is a schematic perspective view of a purification furnace according to the present invention;

FIG. 14 is an enlarged schematic view at G of FIG. 13;

FIG. 15 is a schematic structural view of an exhaust gas treatment apparatus according to embodiment 2 of the present invention;

fig. 16 is an enlarged schematic view at H in fig. 15.

Detailed Description