CN203295556U - Heat-treatment furnace system for waste heat recovery - Google Patents
Heat-treatment furnace system for waste heat recovery Download PDFInfo
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- CN203295556U CN203295556U CN201320247461XU CN201320247461U CN203295556U CN 203295556 U CN203295556 U CN 203295556U CN 201320247461X U CN201320247461X U CN 201320247461XU CN 201320247461 U CN201320247461 U CN 201320247461U CN 203295556 U CN203295556 U CN 203295556U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model discloses a heat-treatment furnace system for waste heat recovery. The system comprises a first heat-treatment furnace, a second heat-treatment furnace, a blower and a heat exchanger. Firstly, waste gas produced by a preheating zone of the first heat-treatment furnace is transported to a preheating zone of the second heat-treatment furnace, so that waste heat of the waste gas produced by the preheating zone of the first heat-treatment furnace is used by the preheating zone of the second heat-treatment furnace, and energy required for preheating the second heat-treatment furnace is reduced; and secondly, the heat exchanger is communicated with a flue duct of the preheating zone of the second heat-treatment furnace, when waste gas produced by the preheating zone of the second heat-treatment furnace passes through the heat exchanger, the heat is transferred to the blower to be transported to air of the heat exchanger, and the preheated air is transported to at least one burner position of the first heat-treatment furnace and the second heat-treatment furnace for combustion-supporting, so that the utilization rate of the energy is improved, and the production cost is reduced.
Description
Technical field
The utility model relates to the heat treatment process technical field, particularly a kind of waste heat recovery thermal treatment furnace system.
Background technology
thermal treatment is one of important process in machinofacture, thermal treatment does not generally change shape and the whole chemical composition of workpiece, but by changing the microstructure of inside workpiece, or the chemical composition of change workpiece surface, give or improve the use properties of workpiece, for instance, at present with Sweet natural gas as an alternative the gasfueled vehicles of fuel need vehicle-mounted bomb carry out natural gas-storing, technical process according to bomb production, heat treatment step is also the critical process during bomb is produced, the next operation that the bomb that the quality of thermal treatment control directly affects is produced and the use properties of bomb.In heat treatment process, need to use heat treatment furnace.Heat treatment furnace can be divided into quenching furnance, tempering stove, annealing furnace etc. according to the purposes difference.
In prior art, the flue gas that heat treatment furnace produces directly is disposed in atmosphere, not only causes environmental pollution also to waste energy, and increases greenhouse gas emission, has reduced the rate of utilization of the energy, and then has improved the production cost of product.
Therefore, how to improve heat treatment furnace, make its utilization ratio that improves the energy, reduce the discharging of pollutent, and then reduce the production cost of product, become the important technological problems that those skilled in the art need to be resolved hurrily.
The utility model content
In view of this, main purpose of the present utility model is to provide a kind of waste heat recovery thermal treatment furnace system,, so that it reaches the raising energy utilization rate, has reduced greenhouse gas emission, has reduced the discharging of pollutent, and then the purpose that reduces production costs.
For achieving the above object, the utility model provides following technical scheme:
A kind of waste heat recovery thermal treatment furnace system comprises:
The first heat treatment furnace;
The second heat treatment furnace, the preheating zone of described the second heat treatment furnace is communicated with the preheating zone of described the first heat treatment furnace; Blower fan;
Interchanger, comprise entrance, the first outlet and the second outlet, be communicated with the flue of the preheating zone of described the second heat treatment furnace, described entrance is communicated with the outlet of described blower fan, described the first outlet is communicated with at least one the burner in described the first heat treatment furnace and described the second heat treatment furnace, and described second exports and be communicated with the preheating waste gas delivery pipe.
Preferably, described the first heat treatment furnace is quenching furnance, and described the second heat treatment furnace is tempering stove.
Preferably, the preheating zone of described the first heat treatment furnace is communicated with the preheating zone of described the second heat treatment furnace by the waste heat transfer lime.
Preferably, described waste heat transfer lime is made by heat resisting pipe, and outside is coated with attemperator.
Preferably, described attemperator is cellucotton.
Preferably, on described waste heat transfer lime, air valve is installed.
Preferably, first of described interchanger the outlet is communicated with by the combustion air transfer lime with at least one the burner in described the first heat treatment furnace and described the second heat treatment furnace.
Preferably, described combustion air transfer lime comprises supervisor and arm, and described supervisor is communicated with the outlet of described interchanger, and described arm is at least one the burner that is communicated with described supervisor and described the first heat treatment furnace and described the second heat treatment furnace.
Preferably, described combustion air transfer lime is made by carbon steel, and outside is coated with attemperator.
Preferably, described interchanger is tube and shell heat exchanger.
Can find out from technique scheme, the waste heat recovery thermal treatment furnace system that the utility model provides, comprise the first heat treatment furnace, the second heat treatment furnace, blower fan and interchanger, at first, the waste gas of the first heat treatment furnace preheating zone generation is transported to the preheating zone of the second heat treatment furnace, the waste gas residual heat that the first heat treatment furnace preheating zone produces is utilized by the preheating zone of the second heat treatment furnace, reduced the preheating energy of heat treatment furnace needs for the second time; Secondly, interchanger is communicated with the flue of the preheating zone of the second heat treatment furnace, when the waste gas that the second heat treatment furnace preheating zone produces passes through interchanger, transfer heat to the air that is transported to interchanger by blower fan, at least one the burner place that an air part after being preheated is transported in the first heat treatment furnace and the second heat treatment furnace carries out combustion-supporting, a part is discharged into outdoor by second outlet at interchanger top through exhaust pipe, improved the utilization ratio of the energy, reduced the discharging of greenhouse gases, reduce the discharging of pollutent, reduced production cost.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The front view of the waste heat recovery thermal treatment furnace system that Fig. 1 provides for the utility model embodiment;
The vertical view of the waste heat recovery thermal treatment furnace system that Fig. 2 provides for the utility model embodiment.
Embodiment
The utility model provides a kind of waste heat recovery thermal treatment furnace system,, so that it improves the utilization ratio of the energy, has reduced the discharging of greenhouse gases, has reduced the discharging of pollutent, and then has reduced production costs.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making under the creative work prerequisite the every other embodiment that obtains, and all belong to the scope of the utility model protection.
See also Fig. 1 and Fig. 2, the front view of the waste heat recovery thermal treatment furnace system that Fig. 1 provides for the utility model embodiment; The vertical view of the waste heat recovery thermal treatment furnace system that Fig. 2 provides for the utility model embodiment.
A kind of waste heat recovery thermal treatment furnace system that the utility model provides, comprise the first heat treatment furnace 1, the second heat treatment furnace 2, blower fan 3 and interchanger 5.
The preheating zone 9 of the first heat treatment furnace 1 is communicated with the preheating zone 10 of the second heat treatment furnace 2, interchanger 5 comprises entrance, the first outlet and the second outlet, be communicated with the flue of the preheating zone 10 of the second heat treatment furnace 2, the entrance of interchanger 5 is communicated with the outlet of blower fan 3, the first outlet is communicated with at least one the burner 6 in the first heat treatment furnace 1 and the second heat treatment furnace 2, and second exports and be communicated with the preheating waste gas delivery pipe 4 at interchanger 5 tops.
Compared with prior art, the waste heat recovery thermal treatment furnace system that the utility model provides, the waste gas of the first heat treatment furnace 1 preheating zone 9 generations is transported to the preheating zone 10 of the second heat treatment furnace 2, utilizes the waste heat of waste gas to heat the preheating zone 10 of the second heat treatment furnace 2; On the second heat treatment furnace 2 preheating zones, interchanger 5 is set, with the waste gas that the second heat treatment furnace 2 preheating zones produce, the air that enters into interchanger 5 through blower fan 3 is carried out preheating, at least one the burner 6 that an air part after preheating is transported in the first heat treatment furnace 1 and the second heat treatment furnace 2 carries out combustion-supporting, a part is discharged into outdoor by the second outlet of interchanger 5 through preheating waste gas delivery pipe 4, improved the utilization ratio of the energy, reduced the discharging of greenhouse gases, reduce the discharging of waste gas, reduced production cost.
In the utility model embodiment, the first heat treatment furnace 1 is quenching furnance, and the second heat treatment furnace 2 is tempering stove.quenching is that metal works is heated to a certain proper temperature and keeps for some time, immerse immediately quick cooling metal heating processing technology in quenching media, tempering is that the alloy workpiece after quenching is heated to proper temperature, the insulation some time, then slowly or quick cooling metal heating processing technology, quench and coordinate with the tempering of differing temps, can increase substantially the intensity of metal, toughness and fatigue strength, and can obtain cooperation between these performances to meet different service requirementss, so, preferably, the first heat treatment furnace 1 is quenching furnance, the waste gas of quenching furnance preheating zone is transported to the preheating zone of tempering stove, utilize the preheating zone preheating of waste gas residual heat to tempering stove, reduced in the prior art the required energy has been heated separately in the tempering stove preheating zone, simultaneously, make the second heat treatment furnace 2 preheating zones 10, the waste gas of namely tempering stove preheating zone generation is by interchanger 5, utilize waste gas residual heat to carry out preheating to the air that is transported to interchanger 5 by blower fan 3, at least one the burner 6 that an air part after preheating is transported in quenching furnance and tempering stove carries out combustion-supporting, a part is discharged into outdoor by interchanger 5 second outlets through preheating waste gas delivery pipe 4.In addition, the waste gas that the preheating zone 10 of the second heat treatment furnace 2 produces is after interchanger 5, and temperature significantly reduces, and usually can not reduce the discharging of greenhouse gases and pollutent higher than 100 ℃, is conducive to environment protection.
The preheating zone 9 of the first heat treatment furnace 1 is communicated with the preheating zone 10 of the second heat treatment furnace 2 by waste heat transfer lime 7, because the temperature of waste gas is higher, for fear of frequent replacing waste heat transfer lime 7, cause the rising of workload and production cost, in the utility model embodiment, the employing heat resisting pipe is made, and externally be coated with attemperator, heat resisting pipe can improve the life-span of waste heat transfer lime 7, reduce workman's workload, attemperator can reduce the thermal losses of waste gas in course of conveying, cuts the waste, and improves the utilization ratio of the energy.Attemperator is cellucotton in the utility model embodiment, and cellucotton is lightweight, and heat absorption is few, is desirable lagging material.
For the ease of controlling, reach the purpose of the waste gas residual heat of applying in a flexible way, in the utility model embodiment, on waste heat transfer lime 7, air valve is installed, by the circulation of Air Valve Control waste gas.Air valve has switch advantage rapidly, when needed, air valve is opened, and waste gas is along 7 circulations of waste heat transfer lime; , when not required, air valve is closed the circulation of blocking-up waste gas.
The first outlet of interchanger 5 is communicated with by combustion air transfer lime 8 with at least one the burner 6 in the first heat treatment furnace 1 and the second heat treatment furnace 2, in the utility model embodiment, combustion air transfer lime 8 comprises supervisor and arm, supervisor is communicated with the outlet of interchanger 5, arm be used for to be communicated with at least one burner 6 of supervisor and the first heat treatment furnace 1 and the second heat treatment furnace 2, the air that is preheated is transported in the supervisor of combustion air transfer lime 8 from interchanger 4, carry out combustion-supporting being transported to each burner 6 by each arm.
Combustion air transfer lime 8 is made by carbon steel, and in order to reduce calorific loss, combustion air transfer lime 8 outsides are coated with attemperator equally, and attemperator is cellucotton.
Interchanger 5 is the equipment of cold fluid that the part heat of hot-fluid is passed to, and claims again heat exchanger.The kind of interchanger 5 is a lot, but according to principle and the mode of cold and hot fluid thermal exchange, basically can divide three major types namely: dividing wall type, hybrid and heat accumulating type.In three class interchanger, the recuperative heat exchanger application at most.In the utility model embodiment, interchanger 5 adopts tube and shell heat exchanger, and tube and shell heat exchanger is a kind of of recuperative heat exchanger.
Pass through practical proof; the waste heat recovery thermal treatment furnace system that provides in the utility model embodiment; compared with prior art; can save 25%～35% the energy; reduce production cost, improved the utilization ratio of the energy, reduced the discharging of greenhouse gases; thereby reduced the discharging of pollutent, positive effect has been played in environment protection.
In this specification sheets, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment that between each embodiment, identical similar part is mutually referring to getting final product.
, to the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent for those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, realization in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a waste heat recovery thermal treatment furnace system, is characterized in that, comprising:
The first heat treatment furnace (1);
The second heat treatment furnace (2), the preheating zone (10) of described the second heat treatment furnace (2) is communicated with the preheating zone (9) of described the first heat treatment furnace (1);
Blower fan (3);
Interchanger (5), comprise entrance, the first outlet and the second outlet, interchanger is communicated with the flue of the preheating zone (10) of described the second heat treatment furnace (2), described entrance is communicated with the outlet of described blower fan (3), described the first outlet is communicated with at least one the burner (6) in described the first heat treatment furnace (1) and described the second heat treatment furnace (2), and described second exports and be communicated with preheating waste gas delivery pipe (4).
2. waste heat recovery thermal treatment furnace system according to claim 1, is characterized in that, described the first heat treatment furnace (1) is quenching furnance, and described the second heat treatment furnace (2) is tempering stove.
3. waste heat recovery thermal treatment furnace system according to claim 1, is characterized in that, the preheating zone (9) of described the first heat treatment furnace (1) is communicated with the preheating zone (10) of described the second heat treatment furnace (2) by waste heat transfer lime (7).
4. waste heat recovery thermal treatment furnace system according to claim 3, is characterized in that, described waste heat transfer lime (7) is made by heat resisting pipe, and outside is coated with attemperator.
5. waste heat recovery thermal treatment furnace system according to claim 4, is characterized in that, described attemperator is cellucotton.
6. waste heat recovery thermal treatment furnace system according to claim 3, is characterized in that, on described waste heat transfer lime (7), air valve is installed.
7. waste heat recovery thermal treatment furnace system according to claim 1, it is characterized in that, the first outlet of described interchanger (5) is communicated with by combustion air transfer lime (8) with at least one the burner (6) in described the first heat treatment furnace (1) and described the second heat treatment furnace (2).
8. waste heat recovery thermal treatment furnace system according to claim 7, it is characterized in that, described combustion air transfer lime (8) comprises supervisor and arm, the first outlet of described supervisor and described interchanger (5) is communicated with, and described arm is at least one the burner (6) that is communicated with described supervisor and described the first heat treatment furnace (1) and described the second heat treatment furnace (2).
9. waste heat recovery thermal treatment furnace system according to claim 7, is characterized in that, described combustion air transfer lime (8) is made by carbon steel, and outside is coated with attemperator.
10. waste heat recovery thermal treatment furnace system according to claim 1, is characterized in that, described interchanger (5) is tube and shell heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320247461XU CN203295556U (en) | 2013-05-09 | 2013-05-09 | Heat-treatment furnace system for waste heat recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320247461XU CN203295556U (en) | 2013-05-09 | 2013-05-09 | Heat-treatment furnace system for waste heat recovery |
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| CN203295556U true CN203295556U (en) | 2013-11-20 |
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| CN201320247461XU Expired - Fee Related CN203295556U (en) | 2013-05-09 | 2013-05-09 | Heat-treatment furnace system for waste heat recovery |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103290191A (en) * | 2013-05-09 | 2013-09-11 | 自贡大业高压容器有限责任公司 | Device for recycling afterheat of thermal treatment furnace |
| CN106225490A (en) * | 2016-07-11 | 2016-12-14 | 东南大学 | A kind of steel tube factory's perforating apparatus waste heat recovery device and method thereof |
| CN107419075A (en) * | 2017-08-02 | 2017-12-01 | 芜湖君华材料有限公司 | A kind of energy-efficient non-crystaline amorphous metal magnetic core vacuum heat system |
| CN112011678A (en) * | 2020-08-31 | 2020-12-01 | 重庆长江工业炉制造有限公司 | Heat treatment furnace for transmission shaft |
-
2013
- 2013-05-09 CN CN201320247461XU patent/CN203295556U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103290191A (en) * | 2013-05-09 | 2013-09-11 | 自贡大业高压容器有限责任公司 | Device for recycling afterheat of thermal treatment furnace |
| CN106225490A (en) * | 2016-07-11 | 2016-12-14 | 东南大学 | A kind of steel tube factory's perforating apparatus waste heat recovery device and method thereof |
| CN106225490B (en) * | 2016-07-11 | 2018-09-18 | 东南大学 | A kind of steel tube factory's perforating apparatus waste heat recovery device and its method |
| CN107419075A (en) * | 2017-08-02 | 2017-12-01 | 芜湖君华材料有限公司 | A kind of energy-efficient non-crystaline amorphous metal magnetic core vacuum heat system |
| CN107419075B (en) * | 2017-08-02 | 2019-04-12 | 广东添富镁热处理有限公司 | A kind of energy-efficient amorphous alloy magnetic core vacuum heat treatment system |
| CN112011678A (en) * | 2020-08-31 | 2020-12-01 | 重庆长江工业炉制造有限公司 | Heat treatment furnace for transmission shaft |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 Termination date: 20150509 |
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