CN218469081U

CN218469081U - Hydrogen combustion premixing device

Info

Publication number: CN218469081U
Application number: CN202222522543.2U
Authority: CN
Inventors: 王鑫; 张红
Original assignee: Zhengzhou Bona Thermal Equipment Co ltd
Current assignee: Zhengzhou Bona Thermal Equipment Co ltd
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-02-10
Anticipated expiration: 2032-09-22

Abstract

The utility model relates to a hydrogen combustion premixing device includes the casing, the fixed baffle that is equipped with on the inner wall of casing, one side of baffle just is located the fixed honeycomb duct that is equipped with of intermediate position, the other end of honeycomb duct stretches out the casing and fixes and be equipped with first flange, just be located the fixed input tube that is equipped with in inside of casing on the outer wall of honeycomb duct, the input tube all communicates with the honeycomb duct, the fixed connecting pipe that is equipped with in a side of baffle, the connecting pipe all is connected with the input tube, the inside of honeycomb duct just is located the fixed hydrogen pipe that is equipped with of intermediate position, the outer wall and the casing that the honeycomb duct was passed to the one end of hydrogen pipe just fix and be equipped with the second flange, the other end of hydrogen pipe passes the baffle and is located the inside of casing, owing to set up a plurality of input tubes, consequently can make its inside oxygen and the inside hydrogen intensive mixing of honeycomb duct to play the effect of abundant burning.

Description

Hydrogen combustion premixing device

Technical Field

The utility model relates to a premixing device technical field specifically is a hydrogen combustion premixing device.

Background

The ignition point of the hydrogen is high, but the ignition energy is small, so that the hydrogen is easy to ignite, the flame propagation speed is high, and the density of the hydrogen is small, if a combustor with a general structure is adopted, the hydrogen is difficult to ensure that the hydrogen is fully mixed with the oxygen in the air, and at the moment, a premixing device is needed to fully mix the hydrogen energy with the oxygen in the air, but most of mixing devices in the prior art only have one oxygen input pipe, so that the phenomenon of non-uniform mixing of the hydrogen energy and the air often occurs, and the hydrogen energy is not fully combusted; and the phenomenon that gas leakage often can appear in the junction of input tube, lead to some oxygen then can't participate in mixing in advance and cause the waste, the utility model discloses new solution has been proposed to above problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the problem that exists among the prior art, the utility model provides a hydrogen burning premixing device to solve the current mixing arrangement that mentions in the background art most all only possess an oxygen input tube, thereby often can appear both mixed inhomogeneous phenomenon, lead to the insufficient technical problem of hydrogen energy burning.

(II) technical scheme

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a hydrogen combustion premixing device, includes the casing, the fixed baffle that is equipped with on the inner wall of casing, one side of baffle just is located the fixed honeycomb duct that is equipped with of intermediate position, the other end of honeycomb duct stretches out the casing and fixes and be equipped with first flange, the fixed input tube that is equipped with in inside that just is located the casing on the outer wall of honeycomb duct, the input tube is provided with a plurality ofly and all communicates with the honeycomb duct, the fixed connecting pipe that is equipped with in a side of baffle, the connecting pipe correspondence is provided with a plurality ofly and all is connected with the input tube, the inside of honeycomb duct just is located the fixed hydrogen pipe that is equipped with of intermediate position, the outer wall and the casing that the honeycomb duct was passed to the one end of hydrogen pipe just fix and be equipped with the second flange, the other end of hydrogen pipe passes the baffle and is located the inside of casing.

Preferably, the fixed first conical surface that is equipped with of one end of input tube, one side of the first conical surface just is located the fixed retainer plate that is equipped with on the outer wall of input tube, be equipped with the second conical surface on the inner wall of connecting pipe, the first conical surface is located the inside of second conical surface, the junction of input tube and connecting pipe is equipped with fastening nut, is convenient for increase the leakproofness between input tube and the connecting pipe.

Preferably in further, the one end of honeycomb duct just is located and is equipped with the filter on its inner wall, the fixed sliding block that is equipped with on the outer wall of filter, the sliding tray has been seted up on the inner wall of honeycomb duct, sliding block and sliding tray all correspond and are provided with a plurality ofly and form the circumference and arrange, the sliding block is convenient for install the filter with sliding tray slidable mounting.

In a further preferred mode, the other end of the shell is fixedly provided with a conical pipe, the other end of the conical pipe is fixedly provided with a third flange, so that the hydrogen and the oxygen meet and are mixed in the conical pipe, and a user can conveniently and fixedly connect the device with the combustion chamber by arranging the third flange.

In a further preferred embodiment, the first and second tapered surfaces have equal inclinations, further increasing the sealing between the inlet tube and the connecting tube.

Preferably in further, a plurality of nozzles are arranged on the other side surface of the partition plate and communicated with the connecting pipe, so that oxygen can be uniformly sprayed out conveniently.

Preferably in the further, the sliding block is provided with a fixing hole, the inner wall of the sliding groove is provided with a mounting hole, and the fixing hole and the mounting hole are internally provided with fixing screws, so that the filter plate and the guide pipe can be conveniently and fixedly mounted.

(III) advantageous effects

Compared with the prior art, the utility model provides a hydrogen combustion premixing device possesses following beneficial effect:

1. the utility model discloses in through setting up the baffle, the honeycomb duct, first flange, the input tube, the connecting pipe, hydrogen pipe and second flange, thereby the user can be earlier with first flange and outside oxygen hose fixed connection, then with second flange and outside hydrogen hose fixed connection, oxygen just can enter the opposite side of baffle through input tube and connecting pipe this moment, hydrogen just can also enter the opposite side of baffle and meet the mixture with oxygen through hydrogen pipe, owing to be provided with a plurality of input tubes and become the circumference and arrange, consequently can make its inside oxygen fully mix with the hydrogen inside the honeycomb duct, in order to play the effect of abundant burning;

2. in the utility model, the first conical surface and the fixing ring are arranged at one end of the input pipe, and the second conical surface is arranged in the connecting pipe, so that when a user needs to carry out sealing connection on the input pipe and the connecting pipe, the first conical surface can be inserted into the second conical surface, then the fixing ring is tightly supported in the first conical surface by screwing the fastening nut, and when one side wall of the fixing ring is contacted with one end of the connecting pipe, the sealing effect of the connecting part of the connecting pipe and the input pipe is optimal;

3. the utility model discloses in through setting up filter, sliding block, sliding tray, fixed orifices, mounting hole and set screw to can filter the inside impurity of oxygen through setting up the filter, so that it is purer, make then more abundant of hydrogen burning, and the user can also come to dismantle the filter through set screw, so that later stage washs and changes.

Drawings

FIG. 1 is a schematic view of the overall structure of a hydrogen combustion premixing device according to the present invention;

fig. 2 is a partial schematic view of the region a in fig. 1 according to the present invention;

FIG. 3 is a cross-sectional view of a hydrogen combustion premixing device in accordance with the present invention;

fig. 4 is a partial schematic view of the area B in fig. 3 according to the present invention;

fig. 5 is an exploded view of the installation of the middle flow guide tube, the filter plate and the fixing screws of the present invention.

In the figure: 1. a housing; 2. a partition plate; 3. a flow guide pipe; 4. a first flange; 5. an input tube; 6. a connecting pipe; 7. a hydrogen gas conduit; 8. a second flange; 9. a first conical surface; 10. a fixed ring; 11. a second tapered surface; 12. fastening a nut; 13. a filter plate; 14. a slider; 15. a sliding groove; 16. a tapered tube; 17. a third flange; 18. a nozzle; 19. a fixing hole; 20. mounting holes; 21. and fixing the screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-5, a hydrogen combustion premixing device includes a housing 1, a partition plate 2 is fixedly disposed on an inner wall of the housing 1, a flow guide pipe 3 is fixedly disposed at a middle position of one side of the partition plate 2, the other end of the flow guide pipe 3 extends out of the housing 1 and is fixedly provided with a first flange 4, an input pipe 5 is fixedly disposed inside the housing 1 and on an outer wall of the flow guide pipe 3, the input pipes 5 are disposed in a plurality and are all communicated with the flow guide pipe 3, a connecting pipe 6 is fixedly disposed at one side surface of the partition plate 2, the connecting pipe 6 is correspondingly disposed in a plurality and is connected with the input pipe 5, a hydrogen guide pipe 7 is fixedly disposed inside the flow guide pipe 3 and at the middle position, one end of the hydrogen guide pipe 7 penetrates through an outer wall of the flow guide pipe 3 and the housing 1 and is fixedly provided with a second flange 8, and the other end of the hydrogen guide pipe 7 penetrates through the partition plate 2 and is disposed inside the housing 1.

In this embodiment, a first conical surface 9 is fixedly arranged at one end of the input tube 5, a fixing ring 10 is fixedly arranged on one side of the first conical surface 9 and on the outer wall of the input tube 5, a second conical surface 11 is arranged on the inner wall of the connecting tube 6, the first conical surface 9 is arranged inside the second conical surface 11, a fastening nut 12 is arranged at the joint of the input tube 5 and the connecting tube 6, and a user can hermetically install the input tube 5 and the connecting tube 6 by tightening the fastening nut 12.

In this embodiment, the one end of honeycomb duct 3 just is located and is equipped with filter 13 on its inner wall, the fixed sliding block 14 that is equipped with on filter 13's the outer wall, sliding tray 15 has been seted up on honeycomb duct 3's the inner wall, sliding block 14 and sliding tray 15 all correspond and are provided with a plurality of and become the circumference and arrange, sliding block 14 and sliding tray 15 slidable mounting, cooperation through sliding block 14 and sliding tray 15, the user can easily install filter 13 in honeycomb duct 3's inside.

In this embodiment, the other end of the housing 1 is fixedly provided with a conical tube 16, the other end of the conical tube 16 is fixedly provided with a third flange 17, oxygen and hydrogen can be fully contacted in the conical tube 16 to be mixed, and the third flange 17 is provided, so that a user can conveniently and fixedly connect the device with an external combustion chamber.

In this embodiment, the first tapered surface 9 and the second tapered surface 11 have the same inclination, which can increase the sealing performance between the input pipe 5 and the connection pipe 6.

In the present embodiment, the nozzle 18 is fixed to the other side surface of the partition plate 2, a plurality of nozzles 18 are provided and are communicated with the connection pipe 6, and the nozzle 18 is provided to eject the oxygen gas inside the connection pipe 6 so as to be in contact with the hydrogen gas along the inner wall of the tapered pipe 16.

In this embodiment, the sliding block 14 has a fixing hole 19, the inner wall of the sliding groove 15 has a mounting hole 20, and fixing screws 21 are disposed inside the fixing hole 19 and the mounting hole 20, so that a user can fix the filter plate 13 and the flow guide tube 3 by the fixing screws 21.

Example 2:

in summary, when using, the user can first fixedly connect the first flange 4 with the external oxygen tube, then fixedly connect the second flange 8 with the external hydrogen tube, at this time, the oxygen can be sprayed out from the nozzle 18 through the input tube 5 and the connecting tube 6 to enter the other side of the partition plate 2, the hydrogen can also enter the other side of the partition plate 2 through the hydrogen conduit 7 and meet and mix with the oxygen, because of the plurality of input tubes 5 and the circumferential arrangement, the oxygen inside the draft tube 3 can be fully mixed with the hydrogen inside the draft tube, so as to achieve the effect of full combustion, and further, the first conical surface 9 and the fixing ring 10 are arranged at one end of the input tube 5, the second conical surface 11 is arranged inside the connecting tube 6, so when the user needs to seal the conical surfaces of the input tube 5 and the connecting tube 6, the first conical surface 9 can be inserted into the second conical surface 11, then the fastening nut 12 is screwed to make the inside of the fixing ring 10 abut against, when one side wall of the fixing ring 10 is in contact with one end of the connecting tube 6, the connecting tube 6 and the optimum sealing effect of the connecting tube 6 can be firstly, and then the filter plate 13 can be cleaned by the screws, and the filter plate 13 can be further designed to be cleaned more conveniently.

In all the above-mentioned solutions, the actual choice of welding, bolt and nut fit connection, bolt or screw connection or other known connection methods related to the connection between two components is not repeated herein, and all the references in the above are related to the fixed connection, and preferably considered to be welding, although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydrogen combustion premixing device comprising a housing (1), characterized in that: the utility model discloses a hydrogen storage battery, including casing (1), baffle (2), the fixed baffle (2) that is equipped with on the inner wall of casing (1), one side of baffle (2) just is located the fixed honeycomb duct (3) that are equipped with of intermediate position, the other end of honeycomb duct (3) stretches out casing (1) and fixed first flange (4) of being equipped with, just the inside that is located casing (1) is fixed to be equipped with input tube (5) on the outer wall of honeycomb duct (3), input tube (5) are provided with a plurality ofly and all communicate with honeycomb duct (3), a side of baffle (2) is fixed to be equipped with connecting pipe (6), connecting pipe (6) correspond to be provided with a plurality ofly and all be connected with input tube (5), the inside of honeycomb duct (3) just is located the fixed hydrogen pipe (7) that is equipped with of intermediate position, the outer wall and casing (1) and the fixed second flange (8) that are equipped with of honeycomb duct (3) are passed to the one end of hydrogen pipe (7), the other end of hydrogen pipe (7) passes baffle (2) and is located the inside of casing (1).

2. A hydrogen-burning premixing device in accordance with claim 1, wherein: the fixed first conical surface (9) that is equipped with of one end of input tube (5), one side of first conical surface (9) just is located the fixed retainer plate (10) that is equipped with on the outer wall of input tube (5), be equipped with second conical surface (11) on the inner wall of connecting pipe (6), first conical surface (9) are located the inside of second conical surface (11), the junction of input tube (5) and connecting pipe (6) is equipped with fastening nut (12).

3. A hydrogen-burning premixing device in accordance with claim 1 wherein: the honeycomb duct is characterized in that a filter plate (13) is arranged at one end of the honeycomb duct (3) and on the inner wall of the honeycomb duct, a sliding block (14) is fixedly arranged on the outer wall of the filter plate (13), a sliding groove (15) is formed in the inner wall of the honeycomb duct (3), the sliding block (14) and the sliding groove (15) are correspondingly arranged in a plurality of circumferential forms, and the sliding block (14) and the sliding groove (15) are installed in a sliding mode.

4. A hydrogen-burning premixing device in accordance with claim 1 wherein: the other end of the shell (1) is fixedly provided with a conical pipe (16), and the other end of the conical pipe (16) is fixedly provided with a third flange (17).

5. A hydrogen-burning premixing device in accordance with claim 2 wherein: the inclination of the first conical surface (9) and the inclination of the second conical surface (11) are equal.

6. A hydrogen-burning premixing device in accordance with claim 1 wherein: the other side of baffle (2) is fixed and is equipped with nozzle (18), nozzle (18) are provided with a plurality ofly and all communicate with connecting pipe (6).

7. A hydrogen-burning premixing device in accordance with claim 3 wherein: the sliding block (14) is provided with a fixing hole (19), the inner wall of the sliding groove (15) is provided with a mounting hole (20), and fixing screws (21) are arranged in the fixing hole (19) and the mounting hole (20).