CN218764591U - Combustion-supporting air system of small furnace - Google Patents
Combustion-supporting air system of small furnace Download PDFInfo
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- CN218764591U CN218764591U CN202223133671.4U CN202223133671U CN218764591U CN 218764591 U CN218764591 U CN 218764591U CN 202223133671 U CN202223133671 U CN 202223133671U CN 218764591 U CN218764591 U CN 218764591U
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Abstract
The utility model discloses a small kiln combustion-supporting air system relates to the combustion-supporting technical field of industrial furnace cellar for storing things air, including stove cellar for storing things, proportional valve air capacity pipe, fan I, the combustion-supporting passageway of air, control system, flue gas processing system and oxygen boosting air extraction system, the outside of stove cellar for storing things is provided with send cigarette subassembly and waste heat recovery mechanism, flue gas processing system, oxygen boosting air extraction system, waste heat recovery mechanism and send the cigarette subassembly all to pass through electric connection with control system, air combustion-supporting passageway and flue gas processing system all with waste heat recovery mechanism looks adaptation, oxygen boosting air extraction system passes through pipe fitting and proportional valve air capacity pipe's air intake one end fixed connection. The utility model discloses in, through setting up heat pipe waste heat recoverer, the cigarette that has the high temperature sends the flue gas to heat pipe waste heat recoverer under the effect of sending cigarette subassembly, utilizes heat pipe waste heat recoverer to carry the heat in the combustion-supporting passageway of air with the heat through the heat preservation blast pipe.
Description
Technical Field
The utility model relates to an industrial furnace cellar for storing things air combustion-supporting technical field, more specifically says, it relates to a small furnace kiln combustion-supporting air system.
Background
The industrial kiln can be divided into two types according to the thermal regulation: one type is an intermittent kiln which is also called a periodic kiln and is characterized in that the kiln is intermittently produced, and the temperature of the kiln is changed in each heating period, such as a chamber kiln, a trolley type kiln, a well type kiln and the like; the second type is a continuous kiln, which is characterized in that the kiln is continuously produced, temperature sections are divided in a kiln chamber, the temperature of each section is constant in the heating process, and workpieces gradually enter a high-temperature heating zone from a low-temperature preheating zone, such as a continuous heating kiln, a heat treatment kiln, an annular kiln, a stepping kiln, a vibrating-bottom kiln and the like.
In the process of heating a workpiece by using a small furnace, an oxygen-enriched combustion-supporting mode is often adopted to improve the temperature inside the furnace, but in the existing combustion-supporting system, the waste heat of the furnace is not sufficiently utilized, the loss of heat energy is large, and therefore improvement is needed.
SUMMERY OF THE UTILITY MODEL
An it is not enough to prior art existence, the utility model aims to provide a small kiln combustion air system, including stove cellar for storing things, proportional valve air capacity pipe, fan I, air combustion-supporting passageway, control system, flue gas processing system and oxygen-enriched air extraction system, the outside of stove cellar for storing things is provided with send cigarette subassembly and waste heat recovery mechanism, flue gas processing system, oxygen-enriched air extraction system, waste heat recovery mechanism and send cigarette subassembly all to pass through electric connection with control system, air combustion-supporting passageway and flue gas processing system all with waste heat recovery mechanism looks adaptation, oxygen-enriched air extraction system passes through pipe fitting and proportional valve air capacity pipe's air intake one end fixed connection, proportional valve air capacity pipe's air outlet one end and the air intake one end fixed connection of fan I, the air outlet one end of fan I and air combustion-supporting passageway's air intake one end fixed connection, air outlet one end of air combustion-supporting passageway sets up the inside at the stove cellar for storing things.
In order to achieve the above purpose, the utility model provides a following technical scheme:
preferably, the smoke conveying assembly comprises a flue and a second fan, one end of a smoke inlet of the flue is arranged inside the furnace cellar, and one end of a smoke outlet of the flue is fixedly connected with one end of an air inlet of the second fan.
Preferably, the waste heat recovery mechanism comprises a heat pipe waste heat recoverer and a heat preservation air supply pipe, one end of an air outlet of the fan II is fixedly connected with one end of a smoke inlet of the heat pipe waste heat recoverer, one end of a smoke outlet of the heat pipe waste heat recoverer is connected with the smoke treatment system through a pipe fitting, one end of a clean air discharge outlet of the heat pipe waste heat recoverer is fixedly connected with one end of an air inlet of the heat preservation air supply pipe, and one end of an air outlet of the heat preservation air supply pipe is arranged inside the air combustion-supporting channel.
Preferably, a fan frequency converter is arranged on the fan I.
Preferably, a control valve is arranged on the proportional valve air measuring pipe.
Preferably, the system further comprises a condenser, a heat recovery pipeline and an air preheating channel, wherein one end of an air inlet of the condenser is connected with the flue gas treatment system through a pipe fitting, one end of an air outlet of the condenser is fixedly connected with one end of the air inlet of the heat recovery pipeline, one end of an air outlet of the heat recovery pipeline is arranged inside the air preheating channel, and two ends of the air preheating channel are fixedly connected with the air combustion-supporting channel and the first fan through pipe fittings respectively.
Compared with the prior art, the utility model discloses possess following beneficial effect:
the utility model discloses in, through setting up heat pipe waste heat recoverer, the cigarette that has the high temperature sends the flue gas to heat pipe waste heat recoverer under the effect of sending cigarette subassembly, utilizes heat pipe waste heat recoverer to carry the heat to the combustion-supporting passageway of air through the heat preservation blast pipe with the heat in, and then makes the air temperature in the combustion-supporting passageway of air obtain effectively improving, has utilized the waste heat effectively to it is better to make the combustion-supporting effect of air.
Drawings
Fig. 1 is a schematic diagram of an embodiment of the present invention;
fig. 2 is a schematic diagram of a second embodiment of the present invention.
1. An oxygen-enriched air extraction system; 2. a proportional valve air flow tube; 3. a control valve; 4. a first fan; 5. a fan frequency converter; 6. an air combustion-supporting channel; 7. a furnace cellar; 8. a flue; 9. a second fan; 10. a heat pipe waste heat recoverer; 11. a flue gas treatment system; 12. a heat preservation blast pipe; 13. a control system; 14. an air preheating channel; 15. a first temperature sensor; 16. a first electric heating tube; 17. a condenser; 18. a second temperature sensor; 19. a second electric heating tube; 20. and (4) a heat return pipeline.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts, all belong to the protection scope of the present invention.
Referring to fig. 1-2, the present application provides two preferred embodiments as follows.
Example one
The utility model provides a small furnace combustion air system, including stove cellar for storing things 7, proportional valve blast pipe 2, a fan 4, air combustion-supporting passageway 6, control system 13, flue gas processing system 11 and oxygen-enriched air extraction system 1, the outside of stove cellar for storing things 7 is provided with send cigarette subassembly and waste heat recovery mechanism, flue gas processing system 11, oxygen-enriched air extraction system 1, waste heat recovery mechanism and send the cigarette subassembly all to pass through electric connection with control system 13, filter, adsorb the harmful substance in the flue gas through flue gas processing system 11. Absorbing and the like to enable smoke to reach the emission standard, extracting or preparing oxygen-enriched air through an oxygen-enriched air extraction system 1, fixedly connecting the oxygen-enriched air extraction system 1 with one end of an air inlet of a proportional valve air pipe 2 through a pipe fitting, controlling the air inlet quantity through the proportional valve air pipe 2, arranging a control valve 3 on the proportional valve air pipe 2, controlling the proportional valve air pipe 2 through the control valve 3, adopting a noise reduction sleeve and a valve core inside the control valve 3 to further achieve the effect of reducing noise, fixedly connecting one end of an air outlet of the proportional valve air pipe 2 with one end of an air inlet of a fan I4, fixedly connecting one end of an air outlet of the fan I4 with one end of an air inlet of an air combustion supporting channel 6, arranging a fan frequency converter 5 on the fan I4, achieving stepless speed regulation of the fan I4 through the fan frequency converter 5 to further reduce the electric energy consumption of the fan I4, arranging one end of the air outlet of the air combustion supporting channel 6 inside a furnace pit 7, enabling the oxygen-enriched air extracted from the oxygen-enriched air extraction system 1 to enter the air recovery channel 6 through the proportional valve air pipe 2 and the fan I4 under the effect of heating the combustion supporting channel 6 by utilizing waste heat, and enabling the oxygen-enriched air to be in contact with the combustion supporting channel to generate higher temperature when the oxygen-enriched fuel combustion supporting air.
Referring to fig. 1, the smoke conveying assembly is composed of a flue 8 and a second fan 9, one end of a smoke inlet of the flue 8 is arranged inside the kiln 7, one end of a smoke outlet of the flue 8 is fixedly connected with one end of an air inlet of the second fan 9, high-temperature smoke is conveyed to the waste heat recovery mechanism through the second fan 9, and the second fan 9 and the fan frequency converter 5 can also be electrically connected to further achieve conveying of effectively controlled smoke volume.
Referring to fig. 1, the waste heat recovery mechanism is composed of a heat pipe waste heat recoverer 10 and a heat preservation air supply pipe 12, one end of an air outlet of a fan ii 9 is fixedly connected with one end of a smoke inlet of the heat pipe waste heat recoverer 10, one end of a smoke outlet of the heat pipe waste heat recoverer 10 is connected with a smoke treatment system 11 through a pipe fitting, one end of a clean air discharge outlet of the heat pipe waste heat recoverer 10 is fixedly connected with one end of an air inlet of the heat preservation air supply pipe 12, if no wind power equipment is arranged in the heat pipe waste heat recoverer 10, a blower needs to be additionally installed, heat is conveyed to the heat preservation air supply pipe 12 through one end of the clean air discharge outlet by the blower or the wind power equipment, heat preservation asbestos wraps the outer walls of the heat preservation air supply pipe 12, a flue 8 and an air combustion-supporting channel 6, so that the loss of the heat in the transfer process is reduced, one end of the air outlet of the heat preservation air supply pipe 12 is arranged inside the air combustion supporting channel 6, the heat preservation air supply pipe 12 conveys the heat to the combustion supporting channel 6, and drives oxygen-enriched air in the combustion supporting channel 6 to raise the temperature.
Example two
Referring to fig. 2, on the basis of the first embodiment, the first embodiment further includes a condenser 17, a regenerative duct 20 and an air preheating channel 14, one end of an air inlet of the condenser 17 is connected to the flue gas treatment system 11 through a pipe, the treated flue gas is conveyed to the condenser 17 to collect moisture in the air, one end of an air outlet of the condenser 17 is fixedly connected to one end of an air inlet of the regenerative duct 20, one end of an air outlet of the regenerative duct 20 is disposed inside the air preheating channel 14, and two ends of the air preheating channel 14 are fixedly connected to the air combustion channel 6 and the fan i 4 through pipes, the heat exchange function of the condenser 17 is utilized to convey hot gas to the regenerative duct 20, the heat in the regenerative duct 20 enters the air preheating channel to be preheated, so as to greatly improve the utilization rate of waste heat and reduce the loss of energy, when the regenerative duct 20 is long in distance, the fan i is required to be installed, so as to improve the heat conveying efficiency, the heat is required to wrap heat preservation or other heat preservation materials on the outer walls of the regenerative duct 20 and the air heating pipe 14, so as to reduce the heat loss of the heating pipe 12, the heating pipe 19, and the heat preservation temperature of the heating pipe 19 and the electric heating pipe 19, and the electric heating pipe 19 are kept within a reasonable range of the regenerative duct.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a small furnace kiln combustion air system which characterized in that: including stove cellar for storing things (7), proportional valve blast pipe (2), fan (4), air combustion-supporting passageway (6), control system (13), flue gas processing system (11) and oxygen-enriched air extraction system (1), the outside of stove cellar for storing things (7) is provided with send cigarette subassembly and waste heat recovery mechanism, flue gas processing system (11), oxygen-enriched air extraction system (1), waste heat recovery mechanism and send the cigarette subassembly all to pass through electric connection with control system (13), air combustion-supporting passageway (6) and flue gas processing system (11) all with waste heat recovery mechanism looks adaptation, oxygen-enriched air extraction system (1) passes through the air intake one end fixed connection of pipe fitting with proportional valve blast pipe (2), the air outlet one end of proportional valve blast pipe (2) and the air intake one end fixed connection of fan (4), the air outlet one end of fan (4) and the air intake one end fixed connection of air channel (6), the air outlet one end of air combustion-supporting passageway (6) sets up the inside in stove cellar for storing things (7).
2. The combustion air system for the small furnace kiln of claim 1, wherein: the smoke conveying assembly comprises a flue (8) and a second fan (9), one end of a smoke inlet of the flue (8) is arranged inside the furnace cellar (7), and one end of a smoke outlet of the flue (8) is fixedly connected with one end of an air inlet of the second fan (9).
3. The combustion air system for the small furnace kiln of claim 2, characterized in that: the waste heat recovery mechanism comprises a heat pipe waste heat recoverer (10) and a heat preservation air supply pipe (12), one end of an air outlet of the fan II (9) is fixedly connected with one end of a smoke inlet of the heat pipe waste heat recoverer (10), one end of a smoke outlet of the heat pipe waste heat recoverer (10) is connected with a smoke treatment system (11) through a pipe fitting, one end of a clean air discharge outlet of the heat pipe waste heat recoverer (10) is fixedly connected with one end of an air inlet of the heat preservation air supply pipe (12), and one end of an air outlet of the heat preservation air supply pipe (12) is arranged inside the air combustion-supporting channel (6).
4. The combustion air system for the small furnace kiln of claim 1, wherein: and a fan frequency converter (5) is arranged on the fan I (4).
5. The combustion air system for the small furnace kiln of claim 1, wherein: and the proportional valve air measuring pipe (2) is provided with a control valve (3).
6. The small furnace combustion air system according to claim 1, further comprising a condenser (17), a regenerative pipeline (20) and an air preheating channel (14), wherein one end of an air inlet of the condenser (17) is connected with the flue gas treatment system (11) through a pipe, one end of an air outlet of the condenser (17) is fixedly connected with one end of an air inlet of the regenerative pipeline (20), one end of an air outlet of the regenerative pipeline (20) is arranged inside the air preheating channel (14), and two ends of the air preheating channel (14) are respectively and fixedly connected with the air combustion channel (6) and the first fan (4) through pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223133671.4U CN218764591U (en) | 2022-11-24 | 2022-11-24 | Combustion-supporting air system of small furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223133671.4U CN218764591U (en) | 2022-11-24 | 2022-11-24 | Combustion-supporting air system of small furnace |
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| Publication Number | Publication Date |
|---|---|
| CN218764591U true CN218764591U (en) | 2023-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223133671.4U Active CN218764591U (en) | 2022-11-24 | 2022-11-24 | Combustion-supporting air system of small furnace |
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| Country | Link |
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| CN (1) | CN218764591U (en) |
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- 2022-11-24 CN CN202223133671.4U patent/CN218764591U/en active Active
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