CN211035229U - Reaction material input mechanism matched with integrated reforming hydrogen production device - Google Patents
Reaction material input mechanism matched with integrated reforming hydrogen production device Download PDFInfo
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- CN211035229U CN211035229U CN201921785964.6U CN201921785964U CN211035229U CN 211035229 U CN211035229 U CN 211035229U CN 201921785964 U CN201921785964 U CN 201921785964U CN 211035229 U CN211035229 U CN 211035229U
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Abstract
The utility model discloses a complete set is in reaction material input mechanism of integrated type reforming hydrogen plant, material input mechanism include: the setting is at the mixing head at casing top, and cavity formation mixing cavity in the mixing head, mixing cavity's top is connected with first gas input pipe, and mixing cavity's both ends are connected with mixing input pipe and mixing output tube respectively, are provided with the blowout pipe in the mixing input pipe, and the structure of blowout pipe includes: the spraying pipe body is provided with a spraying pipe head part and a spraying pipe tail part at two ends respectively, the spraying pipe head part extends into the mixing cavity, the spraying pipe tail part is fixed with the mixing input pipe, and the steam pipeline extends into the spraying pipe body; the mixed output pipe is connected with a material supply pipe, and the material supply pipe extends into a reaction material cavity of the integrated reforming hydrogen production device. The utility model has the advantages that: simple structure, ingenious and small volume, and greatly improves the uniformity of mixed reaction materials, thereby greatly improving the reaction efficiency.
Description
Technical Field
The utility model relates to the technical field of reforming hydrogen production equipment.
Background
Environmental pollution and the constant consumption of non-renewable fossil fuels are the focus of global attention. The development of clean, efficient and sustainable new energy has become common knowledge. Hydrogen energy has become a clean energy source recognized by the market because of its advantages such as high combustion heat value, no pollution to the environment by combustion product water, etc.
Because natural gas resources have proved the continuous increase of reserves and the technical advantages of natural gas hydrogen production, natural gas hydrogen production has become one of the more major hydrogen production methods at present. The hydrogen production process by reforming natural gas mainly comprises the following steps: firstly, steam reforming reaction: in the reaction, raw material methane and steam react under the condition of a steam reforming reaction catalyst to prepare primary reformed gas, the primary reformed gas mainly comprises hydrogen and carbon monoxide, a large amount of heat needs to be absorbed in the step, and the temperature is usually required to be maintained at 800-1000 ℃. Secondly, water vapor transfer catalytic reaction: in the reaction, carbon monoxide in the primary reformed gas reacts with water under the condition of a water-vapor transfer catalyst, so that the carbon monoxide in the primary reformed gas is removed to prepare a secondary reformed gas. The reaction requires controlling the temperature between 300 ℃ and 350 ℃. Thirdly, selective methanation reaction: in the reaction, under the condition of a selective methanation reaction catalyst, carbon monoxide in the secondary reformed gas is further reacted and removed, so that purified hydrogen is prepared.
The existing reforming hydrogen production equipment is relatively large. In order to further popularize hydrogen energy, the company develops an integrated reforming hydrogen production device, the volume of the integrated reforming hydrogen production device is greatly reduced, and the integrated reforming hydrogen production device is extremely suitable for being used in a scene with limited installation space and is particularly suitable for household use. For this reason, my company developed a reaction material input mechanism that fits in an integrated reforming hydrogen production apparatus.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the reaction material input mechanism matched with the integrated reforming hydrogen production device is small in size and can efficiently convey reaction raw materials required by reforming hydrogen production.
In order to achieve the above object, the utility model adopts the following technical scheme: the reaction material input mechanism matched with the integrated reforming hydrogen production device comprises a reaction chamber of the integrated reforming hydrogen production device, and the structure of the reaction chamber comprises: the reaction chamber is arranged in the closed shell, an inner cylinder is arranged in the outer cylinder, a reaction chamber is formed by an interlayer between the inner cylinder and the outer cylinder, the top of the reaction chamber is closed, a reaction material chamber is formed at the bottom of the reaction chamber, and the reaction chamber above the reaction material chamber is sequentially divided into a plurality of reaction areas from bottom to top; the material input mechanism comprises: the setting is at the mixing head at casing top, and cavity formation mixing cavity in the mixing head, mixing cavity's top is connected with first gas input pipe, and mixing cavity's both ends are connected with mixing input pipe and mixing output tube respectively, are provided with the blowout pipe in the mixing input pipe, and the structure of blowout pipe includes: the spraying pipe body is provided with a spraying pipe head and a spraying pipe tail at two ends respectively, the spraying pipe head extends into the mixing cavity, the spraying pipe tail is fixed with the mixing input pipe, and the steam pipeline extends into the spraying pipe body through the spraying pipe tail; the mixing output pipe is connected with the material supply pipe, and the discharge end of the material supply pipe extends downwards into the reaction material cavity from the top of the shell.
Further, the reaction material input mechanism matched with the integrated reforming hydrogen production device is provided, wherein the inner diameter of the steam pipeline and the inner diameter of the head of the ejection pipe are both smaller than the inner diameter of the ejection pipe body.
Furthermore, the reaction material input mechanism matched with the integrated reforming hydrogen production device comprises a mixing output pipe and a mixing cavity, wherein the mixing output pipe comprises a transition pipe section and an output pipe section, the transition pipe section is communicated with the mixing cavity, and the inner diameter of the output pipe section is gradually increased along the material output direction.
Furthermore, the reaction material input mechanism matched with the integrated reforming hydrogen production device is characterized in that the outer wall of the head of the spraying pipe is in a conical shape with the diameter gradually decreasing along the material spraying direction.
Further, the reaction material input mechanism matched with the integrated reforming hydrogen production device is provided, wherein each reaction area is formed by separating a pore plate.
Further, the reaction material input mechanism matched with the integrated reforming hydrogen production device is characterized in that the reaction chamber above the reaction material cavity is sequentially divided into a reforming reaction area for placing a reforming reaction catalyst, a water vapor transfer reaction area for placing a water vapor transfer reaction catalyst and a selective methanation reaction area for placing a selective methanation reaction catalyst from bottom to top.
Further, the reaction material input mechanism matched with the integrated reforming hydrogen production device is provided with a check ring at the tail part of the ejection pipe, and the check ring is blocked at the outer end part of the mixing input pipe.
The utility model has the advantages that: the device has the advantages of simple and ingenious structure and small volume, and can well provide required reaction raw materials for the reforming hydrogen production reaction. Secondly, reaction raw material gas gets into the reaction material cavity after mixing in the hybrid chamber, and the reaction material further mixes in the reaction material cavity after mixing in the hybrid chamber, mixes many times and makes the homogeneity after the reaction material mixes improve greatly, and this can effectively improve reaction efficiency.
Drawings
Fig. 1 is a schematic view of the installation structure of the reaction material input mechanism of the integrated reforming hydrogen production device of the present invention.
Fig. 2 is a schematic diagram of the material supply pipe in fig. 1 in an integrated reforming hydrogen production apparatus.
Fig. 3 is a schematic view of the internal structure of the mixing head of fig. 1.
Detailed Description
The invention will be described in further detail with reference to the drawings and preferred embodiments.
As shown in fig. 1, 2 and 3, the reaction material input mechanism of the integrated reforming hydrogen production apparatus is matched with the reaction material input mechanism of the integrated reforming hydrogen production apparatus, and the structure of the reaction chamber of the integrated reforming hydrogen production apparatus includes: the device comprises an outer barrel 1 arranged in a closed shell 10, an inner barrel 2 is arranged in the outer barrel 1, a reaction chamber 3 is formed by an interlayer between the inner barrel and the outer barrel, the top of the reaction chamber 3 is closed, a reaction material chamber 31 is formed at the bottom of the reaction chamber 3, and a plurality of reaction areas are sequentially separated from bottom to top in the reaction chamber 3 above the reaction material chamber 31. In this embodiment, the reaction chamber 3 above the reaction material chamber 31 is sequentially partitioned from bottom to top into a reforming reaction region 32 in which a reforming reaction catalyst is disposed, a water vapor shift reaction region 33 in which a water vapor shift reaction catalyst is disposed, and a selective methanation reaction region 34 in which a selective methanation reaction catalyst is disposed. Each reaction zone is divided by an orifice 9. The pore plate 9 forms separation and can keep the communication of each reaction area, so that gaseous reaction materials entering the reaction material cavity 31 can move upwards to enter the reforming reaction area 32 for reaction, gas generated by reaction in the reforming reaction area 32 can upwards enter the water vapor transfer reaction area 33 for further reaction, gas after reaction in the water vapor transfer reaction area 33 enters the selective methanation reaction area 34 for further reaction, and the gas after reaction in the selective methanation reaction area 34 can be output outwards through the pore plate. The reactant materials required for the reforming hydrogen production reaction may be methane gas and steam.
The material input mechanism comprises: the setting is at the mixing head 4 at casing 10 top, and cavity formation mixing cavity 41 in the mixing head 4, and the top of mixing cavity 41 is connected with first gas input pipe 5, and mixing cavity 41's both ends are connected with respectively and mix input tube 42 and mix output tube 43, are provided with ejection pipe 6 in the mixing input tube 42, and ejection pipe 6's structure includes: the two ends of the ejection pipe body 61 are respectively an ejection pipe head 62 and an ejection pipe tail 63, the ejection pipe head 62 extends into the mixing cavity 41, and the outer wall of the ejection pipe head 62 is in a conical shape with the diameter gradually decreasing along the material ejection direction.
The discharge pipe tail 63 is fixed to the mixing inlet pipe 42, and specifically, the discharge pipe tail 63 is provided with a retaining ring 631, and the retaining ring 631 is retained at the outer end of the mixing inlet pipe 42.
The water vapor pipe 7 extends into the ejection pipe body 61 through the ejection pipe end 63. The inner diameter of the water vapor pipe 7 and the inner diameter of the discharge pipe head 62 are smaller than the inner diameter of the discharge pipe body 61. The mixing output pipe 43 comprises a transition pipe section 431 and an output pipe section 432, the transition pipe section 431 is communicated with the mixing cavity 41, and the inner diameter of the output pipe section 432 is gradually increased along the material output direction, so that the output efficiency of the mixed material can be effectively improved. The mixing output pipe 43 is connected to the material supply pipe 8, i.e. the output pipe section 432 is communicated with the material supply pipe 8. The discharge end of the material supply pipe 8 projects downwardly from the top of the housing 10 into the reaction material chamber 31.
The specific working principle is as follows: methane gas participating in the reaction enters the mixing cavity 41 through the first gas input pipe 5, water vapor participating in the reaction enters the ejection pipe 6 through the water vapor pipeline 7, and the water vapor in the ejection pipe 6 is ejected into the mixing cavity 41 after sequentially passing through the ejection pipe tail 63, the ejection pipe body 61 and the ejection pipe head 62. The steam can be supplied externally or generated by the integrated reforming hydrogen production device. The methane gas and the water vapor are mixed in the mixing cavity 41, and the mixed gas enters the material supply pipe 8 from the mixing cavity 41 through the transition pipe section 431 and the output pipe section 432 in sequence. The mixed gas in the material supply pipe 8 moves downward into the reaction material chamber 31. The reaction material in the reaction material chamber 31 moves upward through the orifice plate 9 into the reforming reaction zone 32 for reaction. The reacted gas in the reforming reaction region 32 moves upwards to enter the water vapor transfer reaction region 33 for further reaction, the reacted gas in the water vapor transfer reaction region 33 enters the selective methanation reaction region 34 for further reaction, the reacted gas in the selective methanation reaction region 34 is pure hydrogen, and the hydrogen is output outwards.
The utility model has the advantages that: the device has the advantages of simple and ingenious structure and small volume, and can well provide required reaction raw materials for the reforming hydrogen production reaction. Secondly, reaction raw material gas gets into reaction material cavity 31 after mixing in mixing cavity 41, and the reaction material after the mixture further mixes at reaction material cavity 31, mixes many times and makes the homogeneity after the reaction material mixes improve greatly, and this can effectively improve reaction efficiency.
Claims (7)
1. The reaction material input mechanism matched with the integrated reforming hydrogen production device comprises a reaction chamber of the integrated reforming hydrogen production device, and the structure of the reaction chamber comprises: the reaction chamber is arranged in the closed shell, an inner cylinder is arranged in the outer cylinder, a reaction chamber is formed by an interlayer between the inner cylinder and the outer cylinder, the top of the reaction chamber is closed, a reaction material chamber is formed at the bottom of the reaction chamber, and the reaction chamber above the reaction material chamber is sequentially divided into a plurality of reaction areas from bottom to top; the method is characterized in that: the material input mechanism comprises: the setting is at the mixing head at casing top, and cavity formation mixing cavity in the mixing head, mixing cavity's top is connected with first gas input pipe, and mixing cavity's both ends are connected with mixing input pipe and mixing output tube respectively, are provided with the blowout pipe in the mixing input pipe, and the structure of blowout pipe includes: the spraying pipe body is provided with a spraying pipe head and a spraying pipe tail at two ends respectively, the spraying pipe head extends into the mixing cavity, the spraying pipe tail is fixed with the mixing input pipe, and the steam pipeline extends into the spraying pipe body through the spraying pipe tail; the mixing output pipe is connected with the material supply pipe, and the discharge end of the material supply pipe extends downwards into the reaction material cavity from the top of the shell.
2. The reaction material input mechanism matched with the integrated reforming hydrogen production device according to claim 1, wherein: the inner diameter of the steam pipeline and the inner diameter of the head of the spraying pipe are smaller than the inner diameter of the spraying pipe body.
3. The reaction material input mechanism matched with the integrated reforming hydrogen production device according to claim 2, wherein: the mixing output pipe comprises a transition pipe section and an output pipe section, the transition pipe section is communicated with the mixing cavity, and the inner diameter of the output pipe section is gradually increased along the material output direction.
4. The reaction material input mechanism matched with the integrated reforming hydrogen production device according to claim 2, wherein: the outer wall of the head part of the spraying pipe is in a conical shape with the diameter gradually reduced along the material spraying direction.
5. The reactant material input mechanism of claim 1, 2, 3 or 4 for use with an integrated reforming hydrogen production apparatus, wherein: each reaction zone is separated by an orifice plate.
6. The reaction material input mechanism matched with the integrated reforming hydrogen production device according to claim 5, wherein: the reaction chamber above the reaction material cavity is sequentially divided into a reforming reaction area for placing a reforming reaction catalyst, a water vapor transfer reaction area for placing a water vapor transfer reaction catalyst and a selective methanation reaction area for placing a selective methanation reaction catalyst from bottom to top.
7. The reactant material input mechanism of claim 1, 2, 3 or 4 for use with an integrated reforming hydrogen production apparatus, wherein: the tail part of the ejection pipe is provided with a check ring which is blocked at the outer end part of the mixing input pipe.
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CN110683512A (en) * | 2019-10-23 | 2020-01-14 | 张家港氢云新能源研究院有限公司 | Reaction material input mechanism matched with integrated reforming hydrogen production device |
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CN110683512A (en) * | 2019-10-23 | 2020-01-14 | 张家港氢云新能源研究院有限公司 | Reaction material input mechanism matched with integrated reforming hydrogen production device |
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