Gas mixing device

Abstract

The utility model provides a gas mixing device. The gas mixing device comprises a mixing bent pipe and a spiral blade, the mixing bent pipe comprises a fixed seat, and the fixed seat is arranged on the inner wall of the mixing bent pipe in advance; the spiral blade is composed of a plurality of preset shapes according to a preset angle; the spiral blade is connected with the fixed seat, and the spiral blade is positioned in the mixing bent pipe; the uniform mixing of the coal gas and the air in the pipeline is further enhanced, and the gas combustion effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas mixing technical field, in particular to a gas mixing device. BACKGROUND

[0002] The combustion process of coal gas is divided into three stages; one is the mixing of coal gas and air, which belongs to a physical process and needs to consume certain power and time to complete; two is heating the combustible mixture to the ignition temperature; three is the continuous and stable combustion of the combustible and oxygen, and the kinetic chemical process is determined by the concentration of reactants and related to temperature.

[0003] In order to make the composition of flammable gas more stable, coal gas and air are mixed according to a certain ratio to form gas combustion.

[0004] From the above, it can be seen that the mixing of coal gas and air in the prior art is directly through the pipeline to the next working point, and the coal gas and air are not well mixed in the pipeline, so that the gas combustion cannot achieve good results. UTILITY MODEL CONTENT

[0005] In view of the above problems, the utility model is provided to overcome the above problems or at least partially solve the above problems.

[0006] In order to solve the above problems, the utility model discloses a gas mixing device, which comprises a mixing elbow and a spiral blade.

[0007] Preferably, the spiral blade is in a circular shape.

[0008] Preferably, the spiral blade is provided with a bearing hole in the middle, which is used for rotating the spiral blade.

[0009] Preferably, the fixed seat further comprises a gasket, which is connected with the fixed seat and the bearing hole respectively.

[0010] Preferably, it further comprises an air inlet pipeline and an air outlet pipeline, and the mixing elbow is connected with the air inlet pipeline and the air outlet pipeline respectively.

[0011] Preferably, the air inlet pipeline further comprises a coal gas pipeline and an air pipeline, and the air inlet pipeline is connected with the coal gas pipeline and the air pipeline respectively.

[0012] Preferably, the fixed assembly is at the turning of the mixed elbow pipe, and the fixed seat is fixedly connected to the turning of the mixed elbow pipe.

[0013] The utility model discloses the following advantages: further strengthen gas mixing through the spiral blade in mixed elbow, the spiral blade is fixedly assembled through the fixed seat and gasket of mixed pipeline inner wall and rotates, strengthen the uniform mixing of gas, further uniform mixing gas improves gas full combustion effect, effectively reduces the emission of harmful gas. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be to the embodiment needed to use the drawing briefly introduced, should understand, the following drawing only shows some embodiment of the utility model, therefore should not be regarded as the limited scope, for the ordinary skilled person in the art, under the premise of not paying the creative labor, can also obtain other related drawings according to these drawings.

[0015] Figure 1 It is a mixed elbow pipe structure schematic diagram of a gas mixing device provided in an embodiment of the utility model;

[0016] Figure 2 It is a spiral blade front view schematic diagram of a gas mixing device provided in an embodiment of the utility model.

[0017] In the drawing: 100, mixed elbow pipe;200, spiral blade;201, bearing hole position;300, fixed seat;301, gasket. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantage of the embodiment of the utility model more clearly, the following will be combined with the drawing in the embodiment of the utility model, and the technical scheme in the embodiment of the utility model is clearly and completely described, obviously, the described embodiment is a part of the embodiment of the utility model, instead of all the embodiments;The components of the embodiment of the utility model described and shown in the drawing here can be arranged and designed in various different configurations.

[0019] The following will be combined with the drawing, and some embodiments of the application will be described in detail.In the case of no conflict, each embodiment and each feature in the embodiment described below can be combined with each other.

[0020] Please refer to Figure 1 And Figure 2As shown in the utility model embodiment, the gas mixing device comprises a mixing elbow 100 and a spiral blade 200, the utility model adopts the elbow to mix the gas, on the one hand, provides a mixing process for the coal gas and the air gas, on the other hand, the elbow can further strengthen the mixing of the gas, the mixing elbow 100 comprises a fixed seat 300, the fixed seat 300 is pre-set on the inner wall of the mixing elbow 100, the spiral blade 200 is composed of a plurality of preset shapes according to a preset angle, the rotation track of the spiral blade 200 is less than the inner diameter of the mixing elbow 100, the spiral blade 200 is connected with the fixed seat 300, and the spiral blade 200 is located in the mixing elbow 100.

[0021] It needs to be further explained that the gas mixed by the mixing elbow 100 is gas combustion, the gas combustion refers to a kind of oxidation process that gas generates heat and light in combustion-supporting medium, and the gas combustion can be divided into three forms of diffusion combustion, mixed combustion and combustion wave, the combustible gas is injected from the system, diffuses with air and burns simultaneously, which is called diffusion combustion, and the combustible gas and the combustion-supporting gas are mixed into combustion system according to certain proportion and ignited, which is called mixed combustion.

[0022] In the embodiment, the coal gas and the air are respectively sent into the mixing elbow 100 under the action of gas input, and then the gas is further mixed and output to the next working point by the spiral blade 200, the combustion speed of the coal gas depends on the physical process that combustible and air molecules contact each other, the further uniform mixing of the gas improves the full combustion effect of the gas, and effectively reduces the emission of harmful gas.

[0023] As a preferred embodiment, the spiral blade 200 is in circular shape, the utility model adopts the spiral blade 200 in circular shape to adapt to the increase of pipe diameter and improve the gas mixing effect, in addition to the spiral blade 200 in circular shape adopted by the utility model, other spiral blades in square, triangular and rectangular shapes or other baffle assemblies that can improve the gas mixing effect can be replaced, and the utility model preferably adopts the spiral blade 200 in circular shape.

[0024] As a preferred embodiment, the spiral blade 200 is provided with a bearing hole 201 in the middle, and the bearing hole 201 is used for rotating the spiral blade 200, the bearing hole 201 in the middle of the spiral blade 200 is used for the stable rotation and fixed connection of the spiral blade 200, and the bearing hole 201 in the middle of the spiral blade 200 can realize simple and long-term mechanical operation.

[0025] Further, the fixed seat 300 further comprises a gasket 301 connected with the fixed seat 300 and the bearing hole site 201 respectively; the fixed seat 300 is fixedly connected to the turning part of the mixed elbow pipe 100; the fixed seat 300 is welded at the turning part of the elbow pipe, the gasket 301 is connected with the fixed seat 300, the gasket 301 is connected with the bearing hole site 201, and the spiral blade 200 can rotate stably when the coal gas and the gas pass through, further strengthening the gas mixing and improving the gas combustion effect through the connection of the gasket 301 and the bearing hole site 201.

[0026] It should be further explained that the combustion process of the coal gas is divided into three stages; the first is the mixing of the coal gas and the air, which is a physical process, and requires a certain amount of power and time to complete; the second is to heat the combustible mixture to the ignition temperature; the third is that the combustible material reacts with oxygen to continuously and stably burn, and the kinetic chemical process is determined by the concentration of the reactants and is related to the temperature; combustion is a complex physical and chemical process, and when the combustible material and oxygen have been heated to the ignition temperature, the chemical reaction proceeds quickly, at which time the mixing process is the determining factor; the classification of coal gas combustion, there are two ways of coal gas combustion, namely power combustion and diffusion combustion; power combustion (flameless combustion) can be divided into two stages, namely the combustion of the uniformly mixed coal gas and air in the combustion chamber; the gas mixing device provided by the utility model is one of the stages of the combustion process of the coal gas, namely the above-mentioned coal gas and air mixing process.

[0027] As a better implementation manner, the utility model provides a kind of mixing device further comprising gas inlet pipeline and gas outlet pipeline, the mixed elbow pipe 100 is connected with the gas inlet pipeline and the gas outlet pipeline respectively, and the gas inlet pipeline and the gas outlet pipeline are located at the two ends of the mixed elbow pipe 100 respectively;The gas inlet pipeline further comprises a coal gas pipeline and an air pipeline, and the gas inlet pipeline is connected with the coal gas pipeline and the air pipeline respectively;The gas inlet pipeline and the gas outlet pipeline provide coal gas and air output and mixed gas output for the mixed elbow pipe 100 respectively, and the spiral blade 200 provided in the utility model is rotated by the gas flow in the gas inlet pipeline to further strengthen the gas mixing of input coal gas and air, further uniformly mix gas to improve the full combustion effect of gas, effectively reduce the emission of harmful gas.

[0028] As a kind of more preferred embodiment, the utility model discloses a kind of gas mixing device, including mixing elbow 100 and helical blade 200;The mixing elbow 100 includes fixed seat 300, the fixed seat 300 is preset to be arranged in the inner wall of mixing elbow 100;The helical blade 200 is by several preset shapes according to preset angle, the rotation track of the helical blade 200 is less than the inner diameter of the mixing elbow 100;The helical blade 200 and the fixed seat 300 are connected, and the helical blade 200 is located in the inside of the mixing elbow 100;The helical blade 200 is circular shape, and the utility model uses circular shape helical blade 200, to adapt to the increase of pipeline diameter and improve gas mixing effect;Bearing hole 201 is provided in the helical blade 200, and the bearing hole 201 is used for the rotation of the helical blade 200;Bearing hole 201 is arranged in the helical blade 200, to facilitate the stable rotation and fixed connection of helical blade 200;The fixed seat 300 further includes gasket 301, and the gasket 301 is connected with fixed seat 300 and the bearing hole 201 respectively;The fixed seat 300 is fixedly connected at the turning portion of the mixing elbow 100;The fixed seat 300 is welded at the turning portion of elbow pipe, the gasket 301 is connected with the fixed seat 300, the gasket 301 is connected with the bearing hole 201, by the connection of the gasket 301 and the bearing hole 201, when rotating the helical blade 200, gas and gas can stably rotate to further strengthen gas uniform mixing;The utility model realizes further strengthened uniform mixing of gas and air in pipeline by the above specific embodiment, and further uniform mixed gas improves gas combustion effect, effectively reduces harmful gas emission.

[0029] Finally, it also needs to be explained that, in this paper, such relational terms as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or terminal device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or terminal device. Without more limitation, the element defined by the sentence "including a …" does not exclude the existence of other identical elements in the process, method, article or terminal device including the element.

[0030] The above has carried out the detailed introduction to the gas mixing device provided by the utility model, the principle and implementation mode of the utility model have been described in this paper by applying specific examples, the above embodiment is only used for helping understanding the method and core idea of the utility model; simultaneously, for the general technical personnel in the field, according to the idea of the utility model, there will be changes in specific implementation mode and application range, and the above, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A gas mixing device, characterized by, The mixing elbow comprises a fixed seat, which is preset on the inner wall of the mixing elbow. The spiral blade is composed of several preset shapes according to preset angles. The spiral blade is connected with the fixed seat and located inside the mixing elbow. The spiral blade is in a circular shape.

2. The gas mixing device of claim 1, wherein A bearing hole is arranged in the middle of the spiral blade for the rotation of the spiral blade.

3. The gas mixing device of claim 2, wherein The fixed seat further comprises a gasket, which is connected with the fixed seat and the bearing hole respectively.

4. The gas mixing device of claim 3, wherein The mixing elbow is connected with an air inlet pipe and an air outlet pipe, which are located at two ends of the mixing elbow respectively.

5. The gas mixing device of claim 1, wherein The air inlet pipe further comprises a coal gas pipe and an air pipe, which are connected with the air inlet pipe respectively.

6. The gas mixing device of claim 5, wherein The fixed seat is fixedly connected with the turning part of the mixing elbow.

7. The gas mixing device according to claim 1 or 3, wherein ​

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