CN214406044U - Flat flame mixed combustion device - Google Patents
Flat flame mixed combustion device Download PDFInfo
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- CN214406044U CN214406044U CN202120319380.0U CN202120319380U CN214406044U CN 214406044 U CN214406044 U CN 214406044U CN 202120319380 U CN202120319380 U CN 202120319380U CN 214406044 U CN214406044 U CN 214406044U
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Abstract
The utility model discloses a flat flame mixed combustion device, in particular to the technical field of flat flame control, which comprises a fire barrel, wherein a sufficient mixing mechanism is arranged inside the fire barrel; intensive mixing mechanism includes the gas pipeline, the fixed combustion air pipeline that is equipped with in fire bucket outer end, the fixed gas valve that is equipped with in gas pipeline outer end, the fixed blast gate that is equipped with in combustion air pipeline outer end, the inside leading blender that is equipped with of fire bucket, leading blender is established in gas pipeline port department, the fixed rearmounted blender that is equipped with of fire bucket one end, be the gas mixing district between rearmounted blender and the leading blender, fire bucket one end is equipped with the steady steel sheet of high temperature resistant flame, rearmounted blender is established inside the connecting cylinder. The utility model discloses a intensive mixing mechanism makes gas and combustion air mix completely, and the burning is more abundant, and the flame temperature is high, and the excess air coefficient is low, does not contain unburned carbon monoxide in the flue gas of emission, and not only the energy saving can also reduce environmental pollution.
Description
Technical Field
The embodiment of the utility model provides a flat flame control technical field, concretely relates to flat flame co-combustion device.
Background
At present, in some industrial kilns at home and abroad, because of the requirements of production process, the direct contact of flame on the surface of a heating workpiece during combustion is reduced, and the oxidation burning loss of a product is caused, in order to reduce the oxidation burning loss during the design of the kiln, a flat flame burner is designed in a partial heating zone of the kiln, so that the process requirement is reduced, the oxidation burning loss is saved, the efficiency is improved, most industrial kilns adopt a flat flame burner for diffusion combustion, the flat flame burner is high in manufacturing and installation requirements, the arrangement direction on the industrial furnace is limited, the load of the burner cannot be too large, the flat flame burner is mainly used in copper-iron and mechanical forging furnaces and annealing furnaces, the flat flame burner mainly adopts a forced air distribution spiral-flow type as a main part, the spiral-flow type flat flame burner consists of a cyclone piece and a special brick burner, before the gas is combusted, the gas and air are mixed and combusted in the furnace, the diffusion combustion is adopted, the flat flame is different from the traditional straight flame burner, the flame sprayed by the flame-spraying device is not a straight flame, but is a disc-shaped flame which is tightly attached to a furnace wall or uniformly extends towards the periphery of a furnace top, a flat airflow can be formed by utilizing the rotating airflow through an expanding flame path, and the gas is combusted in the flat airflow to obtain the flat flame.
The prior art has the following defects: most flat flame mixed combustion devices adopt excessive air to mix the gas for the burning is more abundant, causes the burning insufficient, and flame temperature is low, contains unburned carbon monoxide in the flue gas of emission, and the oxygen content is on the high side in the flue gas, causes a large amount of heats to discharge in natural environment, not only extravagant energy still causes environmental pollution.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a flat flame mixed combustion device, make gas and combustion air mix completely through abundant mixing mechanism, the burning is more abundant, and the flame temperature is higher, and the air excess coefficient is low; no longer contain unburned carbon monoxide in the flue gas of emission, the air excess coefficient is low, not only the energy saving can also reduce environmental pollution, because most of flat flame mixed combustion device are more abundant for the burning among the solution prior art, adopt excessive air to mix the gas, lead to appearing the burning inadequately, flame temperature is low, contain unburned carbon monoxide in the flue gas of emission, the oxygen content is on the high side in the flue gas, cause a large amount of heats to discharge in the natural environment, not only the energy of wasting still causes environmental pollution's problem.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: a flat flame mixed combustion device comprises a fire barrel, wherein a sufficient mixing mechanism is arranged inside the fire barrel;
intensive mixing mechanism includes the gas pipeline, the gas pipeline is fixed to be established in the fire bucket outer end, the fixed combustion air pipeline that is equipped with in fire bucket outer end, the gas pipeline is established in combustion air pipeline one side, the fixed gas valve that is equipped with in gas pipeline outer end, the fixed blast gate that is equipped with in combustion air pipeline outer end, the inside leading blender that is equipped with of fire bucket, leading blender is established in gas pipeline port department, the fixed rearmounted blender that is equipped with of fire bucket one end, rearmounted blender is established in leading blender one side, be the gas mixing district between rearmounted blender and the leading blender, fire bucket one end is equipped with high temperature resistant steady flame steel sheet, high temperature resistant steady flame steel sheet passes through the connecting cylinder and connects in fire bucket one end, rearmounted blender is established inside the connecting cylinder.
Furthermore, an outer reinforcing barrel is sleeved at the outer end of the fire barrel.
Further, the outer end of the outer reinforcing barrel is fixedly provided with a plurality of positioning fixing bolts, one ends of the positioning fixing bolts penetrate through the outer reinforcing barrel and extend to the inner wall of the fire barrel, and the positioning fixing bolts are connected with the outer reinforcing barrel and the fire barrel in a threaded mode.
Further, the connecting cylinder is mostly arranged inside the outer reinforcing barrel, the connecting cylinder is partially extended to one side of the outer reinforcing barrel, and the high-temperature-resistant flame-stabilizing steel plate is arranged on one side of the outer reinforcing barrel.
Further, the gas valve controls the gas to flow from the gas pipeline to the inside of the fire barrel.
Further, the air valve controls the flow of combustion air from the combustion air duct to the inside of the fire barrel.
The embodiment of the utility model provides a have following advantage:
the utility model discloses a according to the best mixing ratio of gas and air, thereby adjust gas valve and blast gate control gas and air and enter into the pre-mixer according to certain proportion in, because the gas and the air of pre-mixer of flowing through have reached certain best mixing ratio, then the mist can fully burn, all the other probably not enough phenomenon of burning that leads to because the fluctuation of gas pressure is handled the back via the post-mixer, two kinds of gases can reach hundreds of percent's mixture, compare with prior art, gas and combustion-supporting air can the complete mixing, the burning is more abundant, flame temperature is high, the excess air coefficient is low, no longer contain unburned carbon monoxide in the flue gas of emission, not only the energy saving can also reduce environmental pollution.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic view of the overall structure provided by the present invention;
in the figure: the device comprises an outer reinforced barrel 1, a gas pipeline 1-1, a combustion air pipeline 1-2, a fire barrel 2, a gas valve 3, an air valve 4, a pre-mixer 5, a post-mixer 6, a positioning fixing bolt 7 and a high-temperature-resistant flame-stabilizing steel plate 8.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.
Referring to the attached figure 1 of the specification, the flat flame mixed combustion device of the embodiment comprises a fire barrel 2, wherein a sufficient mixing mechanism is arranged inside the fire barrel 2;
the intensive mixing mechanism comprises a gas pipeline 1-1, the gas pipeline 1-1 is fixedly arranged at the outer end of a fire barrel 2, a combustion-supporting air pipeline 1-2 is fixedly arranged at the outer end of the fire barrel 2, the gas pipeline 1-1 is arranged at one side of the combustion-supporting air pipeline 1-2, a gas valve 3 is fixedly arranged at the outer end of the gas pipeline 1-1, an air valve 4 is fixedly arranged at the outer end of the combustion-supporting air pipeline 1-2, a front mixer 5 is arranged inside the fire barrel 2, the front mixer 5 is arranged at the port of the gas pipeline 1-1, a rear mixer 6 is fixedly arranged at one end of the fire barrel 2, the rear mixer 6 is arranged at one side of the front mixer 5, a gas mixing area is arranged between the rear mixer 6 and the front mixer 5, a high-temperature-resistant flame-stabilizing steel plate 8 is arranged at one end of the fire barrel 2, the high-temperature-resistant flame-stabilizing steel plate 8 is connected at one end of the fire barrel 2 through a connecting cylinder, the post mixer 6 is arranged inside the connecting cylinder.
Further, an outer reinforcing barrel 1 is sleeved at the outer end of the fire barrel 2.
Further, the fixed a plurality of positioning fixing bolts 7 that are equipped with of 1 outer end of outer reinforcement bucket, it is a plurality of 7 one ends of positioning fixing bolts all pass and consolidate outer reinforcement bucket 1 and extend to the fire bucket 2 inner walls inside, positioning fixing bolt 7 and outer reinforcement bucket 1 and the equal threaded connection of fire bucket 2.
Further, the connecting cylinder is mostly arranged inside the outer reinforcing barrel 1, the connecting cylinder is partially extended to one side of the outer reinforcing barrel 1, and the high-temperature-resistant flame-stabilizing steel plate 8 is arranged on one side of the outer reinforcing barrel 1.
Further, the gas valve 3 controls the gas to flow from the gas pipe 1-1 to the inside of the fire bucket 2.
Further, the air valve 4 controls the flow of combustion air from the combustion air duct 1-2 to the inside of the fire bucket 2.
The implementation scenario is specifically as follows: firstly, an ignition needle and a flame detector extend into a furnace through holes of the ignition needle and the flame detector, then the whole body is firmly installed through a positioning fixing bolt 7, then a gas valve 3 and an air valve 4 are adjusted according to the optimal mixing ratio of gas and air, namely the ratio when the gas and the air are fully combusted, so that the gas and the air enter a pre-mixer 5 according to a certain ratio, the mixed gas can be fully combusted because the gas and the air flowing through the pre-mixer 5 reach a certain optimal mixing ratio, the rest possible combustion phenomena caused by the fluctuation of the gas pressure are treated by a post-mixer 6, the two gases can be mixed by hundreds, the combustion efficiency is greatly improved, the flame temperature is about 300 ℃ higher than that of the conventional diffusion combustion flame, the carbon monoxide in the smoke is zero, and the complete combustion can be realized under the condition that the excess coefficient of the air is very small, the heating rate can be improved by about 20 percent, the gas can be saved by about 20 percent, meanwhile, the high-temperature resistant flame stabilizing steel plate 8 forms pressure to the gas and the air to form flat airflow under the action of pressure, the sprayed flame can be tightly attached to the furnace wall or the furnace top to form disc-shaped high-temperature flame which uniformly extends to the periphery, the utility model completely mixes the gas and the combustion-supporting air through the sufficient mixing mechanism, the combustion is more sufficient, the flame temperature is high, the excess air coefficient is low, the discharged flue gas does not contain unburned carbon monoxide any more, not only the energy is saved, but also the environmental pollution is reduced, the embodiment mode particularly solves the problems that most of flat flame mixing combustion devices in the prior art adopt excessive air to mix the gas to cause insufficient combustion, the flame temperature is low, the discharged flue gas contains unburned carbon monoxide, and the oxygen content in the flue gas is higher, causing a great deal of heat to be discharged to the natural environment, not only wasting energy but also causing environmental pollution.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (6)
1. A flat flame mixed combustion device comprises a fire barrel (2), and is characterized in that: a full mixing mechanism is arranged inside the fire barrel (2);
the intensive mixing mechanism comprises a gas pipeline (1-1), the gas pipeline (1-1) is fixedly arranged at the outer end of a fire barrel (2), a combustion air pipeline (1-2) is fixedly arranged at the outer end of the fire barrel (2), the gas pipeline (1-1) is arranged at one side of the combustion air pipeline (1-2), a gas valve (3) is fixedly arranged at the outer end of the gas pipeline (1-1), an air valve (4) is fixedly arranged at the outer end of the combustion air pipeline (1-2), a front mixer (5) is arranged inside the fire barrel (2), the front mixer (5) is arranged at the port part of the gas pipeline (1-1), a rear mixer (6) is fixedly arranged at one end of the fire barrel (2), the rear mixer (6) is arranged at one side of the front mixer (5), and a gas mixing area is arranged between the rear mixer (6) and the front mixer (5), fire bucket (2) one end is equipped with high temperature resistant steady flame steel sheet (8), high temperature resistant steady flame steel sheet (8) are connected in fire bucket (2) one end through the connecting cylinder, rearmounted blender (6) are established inside the connecting cylinder.
2. A flat flame mixed combustion apparatus as claimed in claim 1, wherein: the outer end of the fire barrel (2) is sleeved with an outer reinforcing barrel (1).
3. A flat flame hybrid combustion device as claimed in claim 2, wherein: the fixed a plurality of location fixing bolt (7) that are equipped with in outer reinforcement bucket (1) outer end, it is a plurality of location fixing bolt (7) one end all passes outer reinforcement bucket (1) and extends to inside fire bucket (2) inner wall, location fixing bolt (7) and outer reinforcement bucket (1) and the equal threaded connection of fire bucket (2).
4. A flat flame hybrid combustion device as claimed in claim 2, wherein: the connecting cylinder is mainly arranged inside the outer reinforcing barrel (1), the small part of the connecting cylinder extends to one side of the outer reinforcing barrel (1), and the high-temperature-resistant flame-stabilizing steel plate (8) is arranged on one side of the outer reinforcing barrel (1).
5. A flat flame mixed combustion apparatus as claimed in claim 1, wherein: the gas valve (3) controls gas to flow from the gas pipeline (1-1) to the fire barrel (2).
6. A flat flame mixed combustion apparatus as claimed in claim 1, wherein: the air valve (4) controls combustion air to flow from the combustion air pipeline (1-2) to the interior of the fire barrel (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120319380.0U CN214406044U (en) | 2021-02-04 | 2021-02-04 | Flat flame mixed combustion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120319380.0U CN214406044U (en) | 2021-02-04 | 2021-02-04 | Flat flame mixed combustion device |
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| Publication Number | Publication Date |
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| CN214406044U true CN214406044U (en) | 2021-10-15 |
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| CN202120319380.0U Active CN214406044U (en) | 2021-02-04 | 2021-02-04 | Flat flame mixed combustion device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131672A (en) * | 2018-02-13 | 2018-06-08 | 项玮 | The low nitrogen nitride flat flame heat-accumulating burner of industrial furnace |
-
2021
- 2021-02-04 CN CN202120319380.0U patent/CN214406044U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131672A (en) * | 2018-02-13 | 2018-06-08 | 项玮 | The low nitrogen nitride flat flame heat-accumulating burner of industrial furnace |
| CN108131672B (en) * | 2018-02-13 | 2024-03-12 | 项玮 | Low-nitride flat flame heat accumulating type burner of industrial furnace |
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