CN210915298U

CN210915298U - Hydrogen production machine

Info

Publication number: CN210915298U
Application number: CN201921531865.5U
Authority: CN
Inventors: 张会强
Original assignee: Luoyang Woda Energy Saving Technology Co ltd
Current assignee: Luoyang Woyouda Technology Co.,Ltd.
Priority date: 2019-08-08
Filing date: 2019-09-16
Publication date: 2020-07-03
Anticipated expiration: 2029-09-16
Also published as: CN211310825U; CN210973872U; CN211310827U; CN210915299U; CN211310826U; CN210795757U; CN210973871U

Abstract

The utility model provides a hydrogen production machine, which comprises a hydrogen production machine and a liquid storage tank connected with the hydrogen production machine, wherein the liquid storage tank provides raw materials for the hydrogen production machine, the hydrogen production machine comprises a shell, a raw material liquid chamber, a steam chamber and a catalysis chamber, the raw material liquid chamber is arranged outside a combustion chamber, the raw material liquid chamber is communicated with the steam chamber, and the steam chamber is communicated with the catalysis chamber; a liquid level detection device is arranged on the hydrogen production machine, one or more detection probes are arranged in the liquid level detection device, and the liquid level detection device can detect the liquid level in the raw material liquid chamber; the utility model has the advantages that: the liquid level detection device is arranged to detect the liquid levels of the raw material liquid chamber at different heights in the hydrogen production machine, so that the raw material in the raw material liquid chamber is controlled to be always in a normal demand range, and the normal operation of the hydrogen production machine is ensured.

Description

Hydrogen production machine

Technical Field

The utility model relates to the technical field of chemical equipment, in particular to a hydrogen production machine.

Background

Hydrogen is the most clean fuel recognized and is also an important chemical synthesis raw material. It is not a primary energy source, but it is an energy carrier to be produced from the primary energy source by conversion. Hydrogen as a new energy fuel represents a very broad and potential market. The inevitable development of how to prepare and meet from planning and technology is a very important matter. It is a future trend to select advanced technologies, rational methods to produce and use hydrogen to achieve maximum economic and environmental benefits.

In the prior art, the catalyst is usually used for combustion in industrial combustion furnaces, and hydrogen is generated from raw materials under the catalytic action of the catalyst. When the combustion furnace runs, reaction raw materials need to be supplied to the combustion furnace uninterruptedly, so that a raw material liquid chamber for storing the raw materials is arranged on the combustion furnace; in order to ensure the normal operation of the combustion furnace, the amount of raw materials in the raw material liquid chamber needs to be accurately controlled, so that the raw materials in the raw material liquid chamber are always in a proper storage range, and the normal operation of the whole combustion furnace is concerned.

Therefore, it is necessary to improve the structure of the combustion furnace and precisely control the raw material content in the raw material liquid chamber of the combustion furnace.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hydrogen manufacturing machine through set up liquid level detection device on the raw materials liquid chamber at hydrogen manufacturing machine for detect the raw materials of different liquid level height in the raw materials liquid chamber, adjust hydrogen manufacturing machine's real-time operating condition.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a hydrogen production machine comprises a hydrogen production machine and a liquid storage tank connected with the hydrogen production machine, wherein the liquid storage tank is used for providing raw materials for the hydrogen production machine, the hydrogen production machine is connected with a purification device, the purification device is used for purifying generated hydrogen, the hydrogen production machine comprises a shell and a combustion chamber, a raw material liquid chamber, a steam chamber, a catalysis chamber and a gas storage chamber are arranged outside the combustion chamber in a surrounding mode, the raw material liquid chamber is communicated with the steam chamber, the steam chamber is communicated with the catalysis chamber, and the catalysis chamber is communicated with the gas storage chamber; the hydrogen production machine is provided with a liquid level detection device, the liquid level detection device is provided with at least two detection probes with different lengths, and the liquid level detection device can detect the liquid level in the raw material liquid chamber.

Further, the liquid level detection device comprises a first liquid level pipe, a second liquid level pipe and a liquid storage bin, and the detection probe is arranged in the liquid storage bin.

Further, the first liquid level pipe is communicated with the top of the hydrogen production machine, the second liquid level pipe is communicated with the raw material liquid chamber, and the liquid level detection device utilizes the communicating device to be far away to detect the liquid level height in the raw material liquid chamber.

Further, the liquid storage bin is provided with an observation window, and the liquid level height of the raw materials in the liquid storage bin can be observed through the observation window.

Furthermore, the liquid storage bin is provided with a plurality of warning lines with different colors for prompting different ranges of the raw materials in the raw material liquid chamber.

Furthermore, the top of the hydrogen production machine is an arched top surface.

Furthermore, the furnace wall of the combustion chamber comprises an outer furnace wall and an inner furnace wall, and a hollow interlayer is arranged between the outer furnace wall and the inner furnace wall.

Further, the catalytic chamber be provided with the filter plate, the filter plate set up in catalytic chamber and steam chamber junction.

Furthermore, the raw material liquid chamber is connected with a pressure detection device, a safety valve and a pressure switch.

Further, the shell comprises an outer shell and an inner shell, and a heat insulation layer is filled between the outer shell and the inner shell.

Compared with the prior art, the hydrogen production machine of the utility model has the following advantages: the raw material liquid chamber of the hydrogen production machine is provided with the liquid level detection device connected with the raw material liquid chamber, so that liquid levels at different heights can be detected, the raw material in the raw material liquid chamber is controlled to be always within a normal demand range, and the normal operation of the hydrogen production machine is ensured.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

FIG. 1 is a schematic view of the overall structure of the hydrogen production machine of the present invention;

FIG. 2 is a schematic structural view of the hydrogen production machine equipped with the purification device of the present invention;

FIG. 3 is a schematic structural view of the hydrogen production machine of the present invention;

FIG. 4 is a sectional view of the liquid level detection device of the hydrogen production machine of the present invention.

Description of reference numerals:

1. a hydrogen production machine; 10. a housing; 101. an outer housing; 102. an inner housing; 11. a combustion chamber; 113. an outer furnace wall; 114. an inner furnace wall; 12. a raw material liquid chamber; 13. a steam chamber; 14. a catalyst chamber; 2. a liquid storage tank; 3. A liquid level detection device; 31. a first liquid level pipe; 32. a second liquid level tube; 33. a liquid storage bin; 34. and (3) detecting the probe.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present invention.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, the first information may also be referred to as second information, and similarly, the second information may also be referred to as first information, without departing from the scope of the present invention. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example 1

As shown in fig. 1, the present application provides a hydrogen production machine, which includes a hydrogen production machine 1 and a liquid storage tank 2 connected thereto, where the liquid storage tank 2 provides a raw material for the hydrogen production machine 1, and the raw material used in this embodiment is a mixed liquid of water and methanol; the hydrogen production machine 1 is connected with a purification device for purifying the generated hydrogen. Hydrogen machine 1 still includes casing 10, combustion chamber 11, raw materials liquid chamber 12, steam chamber 13 and catalytic chamber 14 and gas storage chamber 15, combustion chamber 11 sets up in hydrogen machine 1's inside, in the outside of combustion chamber 11, has set gradually raw materials liquid chamber 12, gas storage chamber 15, catalytic chamber 14 and steam chamber 13 from the top down, the annular setting in combustion chamber 11 of raw materials liquid chamber 12, catalytic chamber 14 and steam chamber 13 is peripheral.

When the hydrogen making machine works, heat generated by combustion of gas introduced into a combustion chamber 11 inside the hydrogen making machine is transferred to a raw material liquid chamber 12 through a furnace wall of the combustion chamber 11, raw materials (mixed liquid of water and methanol) in the raw material liquid chamber 12 are heated and evaporated to form mixed steam, the mixed steam enters a steam chamber 13 at the lower end of the hydrogen making machine and continues to move upwards, the mixed steam enters a catalytic chamber 14 through a filter plate arranged below the catalytic chamber 14 to react to generate mixed gas of hydrogen and carbon monoxide, wherein the hydrogen is main, the generated mixed gas of the hydrogen and the carbon monoxide enters a gas storage chamber 15, the mixed gas is discharged into a purifying device from a hydrogen outlet, is adsorbed and purified by the purifying device, and is guided out to be collected.

In order to ensure the normal operation of the hydrogen production machine, the raw materials in the raw material liquid chamber 12 need to be kept within a reasonable range, and the normal operation of the reaction is affected when the raw materials in the raw material liquid chamber 12 are too much or too little. Therefore, the liquid level detection device 3 is arranged on the hydrogen production machine and used for knowing the raw material condition in the raw material liquid chamber 12.

The top of the hydrogen production machine 1 is provided with a plurality of pipe orifices, two of which are used for being connected with a liquid level detection device 3, and the liquid level detection device 3 is used for measuring the height of the liquid level in the raw material liquid chamber 12 so as to supplement liquid in time or stop supplementing liquid; in this embodiment, a height difference exists between two interfaces of the hydrogen production machine 1, and the two interfaces are used for connecting a liquid level detection device, and a safety valve device for ensuring the pressure of mixed steam is arranged at the top of the hydrogen production machine 1.

The liquid level detection device 3 is provided with at least two detection probes 34 with different lengths, and the probes are used for detecting the liquid level in the raw material liquid chamber 12. Preferably, the liquid level detection device 3 is provided with three detection probes 34 with different lengths, and the three detection probes 34 are arranged at equal intervals and are used for detecting three liquid levels, namely, a high liquid level, a medium liquid level and a low liquid level, in the raw material liquid chamber 12. When the liquid level detection device 3 is in the middle, the raw material in the raw material liquid chamber 12 is at a proper liquid level, and the reaction normally proceeds; when the liquid level detection device 3 is high, the raw materials in the raw material liquid chamber 12 are excessive at the moment, so that the reaction is influenced, and the raw materials need to be stopped from being introduced into the hydrogen production machine 1 at the moment; when the liquid level detection device 3 is in a low state, the raw material in the raw material liquid chamber 12 is too little, and raw materials need to be added into the hydrogen production machine 1 to ensure the normal operation of the reaction.

Further, as shown in fig. 3, the liquid level detection device 3 includes a first liquid level pipe 31, a second liquid level pipe 32 and a liquid storage chamber 33, and the detection probe 34 is disposed in the liquid storage chamber 33. Preferably, a cylindrical liquid storage chamber 33 is arranged between the first liquid level pipe 31 and the second liquid level pipe 32, and the diameter of the liquid storage chamber 33 is larger than or equal to that of the first liquid level pipe 31 and the second liquid level pipe 32, so that a plurality of detection probes 34 are arranged in the liquid storage chamber 33. When the number of the detection probes 34 is small and the detection probes can be disposed on the first liquid level pipe 31 or the second liquid level pipe 32, the liquid storage tank 33 may be omitted.

Further, an observation window is arranged on the liquid storage bin 33, and a worker can directly see the liquid level in the raw material liquid chamber 12 through the observation window. Accurate liquid level height information can be obtained by utilizing the liquid level detection device 3 and a naked eye observation mode. In this embodiment, observation window adopts the observation window that glass constitutes, sets up the sign scale of different positions on observation window for judge the liquid level height in the stock solution storehouse.

Specifically, the periphery of the combustion chamber 11 is annularly provided with a raw material liquid chamber 12 and a steam chamber 13, the second liquid level pipe 32 is communicated with the raw material liquid chamber 12, and the first liquid level pipe 31 is communicated with a top shell of the hydrogen production machine. By utilizing the principle that the liquid levels of the U-shaped pipes are equal, the quantity of the raw materials in the raw material liquid chamber 12 can be judged through the liquid level in the liquid level detection device 3, and then the hydrogen production machine is adjusted.

Example 2

As shown in fig. 2, a hollow interlayer is provided on the wall of the combustion chamber 11 in order to secure the reaction temperature of the catalyst chamber 14. Specifically, in the present invention, the furnace wall of the combustion chamber 11 includes an outer furnace wall 113 and an inner furnace wall 114, a hollow interlayer 115 is disposed between the outer furnace wall 113 and the inner furnace wall 114, and the interlayer 115 is communicated with the steam chamber 13.

When the hydrogen production machine works, most of mixed steam entering the steam chamber 13 enters the catalytic chamber 14 above the steam chamber 13 to react, a small part of mixed steam enters the interlayer 115 of the combustion chamber 11, and a heat insulation layer formed by the mixed steam is arranged between the combustion chamber 11 and the catalytic chamber 14 to insulate and protect the temperature of the catalytic chamber 14, so that the chemical reaction in the catalytic chamber 14 can be prevented from being normally carried out when the temperature of the combustion chamber 11 is too high.

Preferably, a through hole 131 is provided in the outer furnace wall 113 adjacent to the steam chamber 13, the through hole 131 communicating the steam chamber 13 and the interlayer 115. The mixed steam in the steam chamber 13 directly enters the interlayer 115 through the through holes 131 to form a heat insulation layer for the catalytic chamber 14.

Without limitation, the outer furnace wall 113 may be provided with a plurality of through holes 131, and when the mixed steam in the steam chamber 13 enters the interlayer 115, the plurality of through holes 131 may also form different inlets and outlets, so as to accelerate the gas exchange between the interlayer 115 and the steam chamber 13, so that the temperature of the mixed steam in the interlayer is kept stable, and the mixed steam in the interlayer is prevented from being heated for a long time, and the temperature in the catalytic chamber 14 adjacent to the interlayer is prevented from being influenced by the temperature increase.

The plurality of through holes 131 may be uniformly arranged in a ring shape on the outer furnace wall 113, or may be arranged in a staggered manner, which is not particularly limited herein, as long as the gas exchange between the steam chamber 13 and the interlayer 115 is achieved.

Further, the housing 10 of the hydrogen production machine comprises an outer housing 101 and an inner housing 102, and an insulating layer is filled between the outer housing 101 and the inner housing 102. The heat-insulating layer is made of heat-insulating materials or heat-insulating materials and wraps the periphery of the catalytic chamber 14, and is used for stabilizing the reaction temperature in the catalytic chamber 14. Through setting up the heat preservation, can effectively avoid hydrogen manufacturing machine 11's heat to scatter and disappear, or prevent that the local temperature in the catalytic chamber 14 from appearing and overheat/super-cool scheduling problem, avoid the emergence of side reaction to be favorable to the synthesis of the target product of settlement more, improve the reaction efficiency in the catalytic chamber 14. In this application, there is not special restriction to the kind of the heat preservation material in the heat preservation, as long as can realize the heat preservation effect can, for example, the heat preservation can select for use materials such as heat preservation asbestos, ceramic fibre.

Further, the catalytic chamber 14 is provided with a filter plate, and the filter plate is arranged at the joint of the catalytic chamber 14 and the steam chamber 13.

The steam chamber 13 department of connecting the catalytic chamber 14 bottom sets up the filter plate, filters mixed steam, and mixed steam after the filtration gets into catalytic chamber 14, and the inside catalyst that fills of catalytic chamber 14, mixed steam are heated under the catalyst effect and are formed hydrogen and carbon monoxide gas mixture.

Preferably, the raw material liquid chamber 12 is connected with a pressure detection device, a safety valve and a pressure switch, so as to precisely control the use condition of the raw material in the raw material liquid chamber 12.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The hydrogen production machine comprises a hydrogen production machine (1) and a liquid storage tank (2) connected with the hydrogen production machine, wherein the liquid storage tank (2) provides raw materials for the hydrogen production machine (1), and is characterized in that the hydrogen production machine (1) is connected with a purification device, the purification device is used for purifying generated hydrogen, the hydrogen production machine (1) comprises a shell (10) and a combustion chamber (11), a raw material liquid chamber (12), a steam chamber (13), a catalytic chamber (14) and a gas storage chamber (15) are arranged on the outer side of the combustion chamber (11) in a surrounding manner, the raw material liquid chamber (12) is communicated with the steam chamber (13), the steam chamber (13) is communicated with the catalytic chamber (14), and the catalytic chamber (14) is communicated with the gas storage chamber (15); the hydrogen production machine (1) is provided with a liquid level detection device (3), at least two detection probes (34) with different lengths are arranged in the liquid level detection device (3), and the liquid level detection device (3) can detect the liquid level in the raw material liquid chamber (12).

2. The hydrogen production machine according to claim 1, characterized in that the liquid level detection device (3) comprises a first liquid level pipe (31), a second liquid level pipe (32) and a liquid storage tank (33), and the detection probe (34) is arranged in the liquid storage tank (33).

3. The hydrogen generator according to claim 2, wherein the first liquid level pipe (31) is communicated with the top of the hydrogen generator (1), the second liquid level pipe (32) is communicated with the raw material liquid chamber (12), and the liquid level detection device detects the liquid level height in the raw material liquid chamber (12) by utilizing the communicator distance.

4. The hydrogen production machine according to claim 3, characterized in that the liquid storage bin (33) is provided with an observation window through which the liquid level of the raw material in the liquid storage bin (33) can be observed.

5. The hydrogen production machine according to claim 4, characterized in that a plurality of warning lines with different colors are arranged on the liquid storage bin (33) and used for warning different ranges of raw materials in the raw material liquid chamber (12).

6. The hydrogen production machine according to claim 1, characterized in that the top of the hydrogen production machine (1) is an arched top surface.

7. The hydrogen generator according to claim 1, characterized in that the furnace wall of the combustion chamber (11) comprises an outer furnace wall (113) and an inner furnace wall (114), a hollow interlayer (115) being provided between the outer furnace wall (113) and the inner furnace wall (114).

8. The hydrogen generator as claimed in claim 1, characterized in that the catalytic chamber (14) is provided with a filter plate, which is arranged at the connection of the catalytic chamber (14) and the steam chamber (13).

9. The hydrogen generator as claimed in claim 1, characterized in that the raw material liquid chamber (12) is connected with a pressure detection device, a safety valve and a pressure switch.

10. The hydrogen production machine according to claim 1, characterized in that the housing (10) comprises an outer housing (101) and an inner housing (102), and an insulating layer is filled between the outer housing (101) and the inner housing (102).