CN210486598U - Heat recovery device for combustion chamber - Google Patents
Heat recovery device for combustion chamber Download PDFInfo
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- CN210486598U CN210486598U CN201921089566.0U CN201921089566U CN210486598U CN 210486598 U CN210486598 U CN 210486598U CN 201921089566 U CN201921089566 U CN 201921089566U CN 210486598 U CN210486598 U CN 210486598U
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Abstract
The utility model relates to a heat recovery device for a combustion chamber, a plurality of fire rows are arranged on a fixed frame side by side, and a gap is reserved between two adjacent fire rows; the main gas pipe is arranged on the side surface of the fixing frame, the gas inlet pipe is arranged on the main gas pipe, a plurality of gas distribution pipes are arranged on the inner side of the main gas pipe, and the plurality of gas distribution pipes correspond to the inlets of the plurality of fire grates one by one respectively; the combustion chamber comprises three clapboards vertically arranged on the fixed frame, and the three clapboards form a semi-closed chamber with a rear opening and a top opening; the water cooling tubes are arranged on the first partition plate, the second partition plate and the third partition plate. The utility model relates to a water-cooling thick and thin burner, when the temperature is lower in winter, the temperature is higher than the temperature, the combustion chamber is easy to ignite; when the temperature is high in summer, the temperature in the combustion chamber is high, the temperature in the combustion chamber can be reduced to below 1200 ℃ by utilizing water cooling, and the generation of nitrogen oxides is reduced; the water cooling pipe exchanges heat with the wall surface of the combustion chamber, and hot water generated after cold water absorbs heat and is heated can be used as domestic water.
Description
Technical Field
The utility model relates to a heat reclamation device for combustion chamber. Belongs to the technical field of burners.
Background
The principle of the rich-lean burner is that one part of fuel is over-rich combusted, the other part of fuel is over-lean combusted, and the air quantity is kept unchanged as a whole. NOx is low because both portions are burning at off-stoichiometric ratios, which is also known as off-stoichiometric or non-stoichiometric combustion.
The increase in temperature has a promoting effect on the amount of fuel type NOx produced. Below 1200 ℃, it increases significantly with increasing temperature; when the temperature is over 1200 ℃, the speed increasing is smooth; the prior thick and thin burner has the following problems: 1. in winter, the combustion chamber is not easy to ignite when the temperature is low; 2. when the temperature is higher in summer, the temperature in the combustion chamber is high, and the discharge of nitrogen oxides can be increased when the temperature is above 1300 ℃; 3. when the combustor burns in the combustion chamber, the wall surface of the combustion chamber absorbs a large amount of heat, and the temperature is very high, so that the combustion chamber is easy to age, and the part of heat is not utilized.
Disclosure of Invention
An object of the utility model is to overcome above-mentioned not enough, provide a heat reclamation device for combustion chamber.
The purpose of the utility model is realized like this:
a heat recovery device for a combustion chamber is characterized in that: the device comprises a fixed frame, a fire grate, a fuel gas inlet pipe, a main gas pipe, a water cooling pipe and a combustion chamber;
the fire rows are arranged on the fixing frame side by side, and a gap is reserved between every two adjacent fire rows;
the main gas pipe is arranged on the side surface of the fixing frame, the gas inlet pipe is arranged on the main gas pipe, a plurality of gas distribution pipes are arranged on the inner side of the main gas pipe, and the plurality of gas distribution pipes correspond to the inlets of the plurality of fire grates one by one respectively;
the combustion chamber is arranged on the fixing frame and comprises a first partition plate, a second partition plate and a third partition plate, the first partition plate, the second partition plate and the third partition plate are vertically arranged on the fixing frame, the first partition plate is arranged on the right side of the fixing frame, the second partition plate is arranged on the front side of the fixing frame, the third partition plate is arranged on the left side of the fixing frame, and the three partition plates form a semi-closed chamber with a rear-side opening and a top-side opening;
the water cooling tubes are arranged on the first partition plate, the second partition plate and the third partition plate.
Further, the number of the gas inlet pipes is two.
Furthermore, the water-cooling pipe is S-shaped.
Furthermore, an axial first guide plate and a radial second guide plate are arranged on the main air pipe.
Furthermore, a reinforcing rib plate is arranged on the gas pipe, one side of the reinforcing rib plate is connected with the main gas pipe, and the other side of the reinforcing rib plate is connected with the gas inlet pipe.
Furthermore, a cold water inlet of the water-cooling pipe is arranged on the first partition plate, and a hot water outlet of the water-cooling pipe is arranged on the third partition plate.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model relates to a heat recovery device for a combustion chamber, when the temperature is lower in winter, the water temperature is higher than the temperature, so the combustion chamber is easy to ignite; when the temperature is higher in summer, the temperature in the combustion chamber is high, the temperature in the combustion chamber can be reduced to below 1200 ℃ by utilizing water cooling, the generation of nitrogen oxides is reduced, and the requirement of low-nitrogen emission is met.
The utility model relates to a heat reclamation device for combustion chamber, water-cooling pipe and combustion chamber wall heat transfer, the hot water that produces after cold water absorbs the heat intensification can be used for domestic water, the utilization of resources maximize.
Drawings
Fig. 1 is a schematic view of a heat recovery device for a combustion chamber according to the present invention.
In the figure:
the utility model provides a gas burner, including mount 1, fire row 2, gas advance pipe 3, deep floor 3.1, main gas tube 4, first guide plate 4.1, second guide plate 4.2, water-cooled tube 5, combustion chamber 6, first baffle 6.1, second baffle 6.2, third baffle 6.3.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Referring to fig. 1, the utility model relates to a heat recovery device for a combustion chamber, which comprises a fixed frame 1, a fire grate 2, a fuel gas inlet pipe 3, a main gas pipe 4, a water cooling pipe 5 and a combustion chamber 6;
a plurality of fire rows 2 are arranged on the fixed frame 1 side by side, and a gap is reserved between every two adjacent fire rows 2;
the main gas pipe 4 is arranged on the side face of the fixing frame 1, the two gas inlet pipes 3 are respectively arranged on the main gas pipe 4, the gas pipe 3 is provided with a reinforcing rib plate 3.1, one side of the reinforcing rib plate 3.1 is connected with the main gas pipe 4, the other side of the reinforcing rib plate 3.1 is connected with the gas inlet pipe 3, the inner side of the main gas pipe 4 is provided with a plurality of gas distribution pipes, and the plurality of gas distribution pipes correspond to the inlets of the plurality of fire grates 2 one by one; the main air pipe 4 is provided with an axial first guide plate 4.1 and a radial second guide plate 4.2, and the two guide plates are helpful for air to enter a gap between adjacent fire grates;
the combustion chamber 6 sets up on mount 1, combustion chamber 6 includes first baffle 6.1, second baffle 6.2 and third baffle 6.3, first baffle 6.1, second baffle 6.2 and the perpendicular setting of third baffle 6.3 are on mount 1, first baffle 6.1 sets up the right side at mount 1, second baffle 6.2 sets up the front side at mount 1, third baffle 6.3 sets up the left side at mount 1, three baffle forms the semi-closed cavity that has back side opening and open-top.
The water cooling pipes are arranged on the first partition plate 6.1, the second partition plate 6.2 and the third partition plate 6.3 in an S shape, a cold water inlet 5.1 of each water cooling pipe 5 is arranged on the first partition plate 6.1, and a hot water outlet 5.2 of each water cooling pipe 5 is arranged on the third partition plate 6.3.
The working principle is as follows:
the utility model relates to a heat reclamation device for combustion chamber, the gas enters into main trachea 4 through gas intake pipe 3, then gets into the mixing chamber in each fire row 2 respectively through the gas-distributing pipe, the air gets into from between two adjacent fire rows 2, at the flame opening department of fire row 2, form middle dense flame, the light flame in both sides, the gas burns in combustion chamber 6, the three baffle of combustion chamber 6 absorbs the heat, produce high temperature on its wall, under the effect of water-cooling tube 5, the wall and the 5 heat exchange of water-cooling tube of combustion chamber 6, thereby make the wall temperature greatly reduced of combustion chamber 6, and then reduce the temperature in combustion chamber 6;
the utility model relates to a heat recovery device for a combustion chamber, when the temperature is lower in winter, the water temperature is higher than the temperature, so the combustion chamber is easy to ignite; when the temperature is higher in summer, the temperature in the combustion chamber is high, the temperature in the combustion chamber can be reduced to below 1200 ℃ by utilizing water cooling, the generation of nitrogen oxides is reduced, and the requirement of low-nitrogen emission is met.
The utility model relates to a heat reclamation device for combustion chamber, water-cooling tube 5 and combustion chamber wall heat transfer, the hot water that produces after cold water absorbs the heat and heaies up can be used for domestic water, the resource utilization maximize.
In the above embodiments, the present invention has been described only by way of example, but various modifications may be made by those skilled in the art after reading the present patent application without departing from the spirit and scope of the invention.
Claims (6)
1. A heat recovery device for a combustion chamber, characterized by: the device comprises a fixed frame, a fire grate, a fuel gas inlet pipe, a main gas pipe, a water cooling pipe and a combustion chamber;
the fire rows are arranged on the fixing frame side by side, and a gap is reserved between every two adjacent fire rows;
the main gas pipe is arranged on the side surface of the fixing frame, the gas inlet pipe is arranged on the main gas pipe, a plurality of gas distribution pipes are arranged on the inner side of the main gas pipe, and the plurality of gas distribution pipes correspond to the inlets of the plurality of fire grates one by one respectively;
the combustion chamber is arranged on the fixing frame and comprises a first partition plate, a second partition plate and a third partition plate, the first partition plate, the second partition plate and the third partition plate are vertically arranged on the fixing frame, the first partition plate is arranged on the right side of the fixing frame, the second partition plate is arranged on the front side of the fixing frame, the third partition plate is arranged on the left side of the fixing frame, and the three partition plates form a semi-closed chamber with a rear-side opening and a top-side opening;
the water cooling tubes are arranged on the first partition plate, the second partition plate and the third partition plate.
2. A heat recovery device for a combustor as claimed in claim 1, wherein: the gas inlet pipe has two.
3. A heat recovery device for a combustor as claimed in claim 1, wherein: the water-cooling pipe is S-shaped.
4. A heat recovery device for a combustor as claimed in claim 1, wherein: the main air pipe is provided with an axial first guide plate and a radial second guide plate.
5. A heat recovery device for a combustor as claimed in claim 1, wherein: be provided with deep floor on the gas pipe, one side and the main gas piping connection of deep floor, the another side and the gas of deep floor advance union coupling.
6. A heat recovery device for a combustor as claimed in claim 1, wherein: the cold water inlet of the water-cooling pipe is arranged on the first partition plate, and the hot water outlet of the water-cooling pipe is arranged on the third partition plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921089566.0U CN210486598U (en) | 2019-07-12 | 2019-07-12 | Heat recovery device for combustion chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921089566.0U CN210486598U (en) | 2019-07-12 | 2019-07-12 | Heat recovery device for combustion chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210486598U true CN210486598U (en) | 2020-05-08 |
Family
ID=70530687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921089566.0U Active CN210486598U (en) | 2019-07-12 | 2019-07-12 | Heat recovery device for combustion chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210486598U (en) |
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2019
- 2019-07-12 CN CN201921089566.0U patent/CN210486598U/en active Active
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