CN203421981U - Heat exchanger for kiln flue gas waste heat recovery - Google Patents
Heat exchanger for kiln flue gas waste heat recovery Download PDFInfo
- Publication number
- CN203421981U CN203421981U CN201320352655.6U CN201320352655U CN203421981U CN 203421981 U CN203421981 U CN 203421981U CN 201320352655 U CN201320352655 U CN 201320352655U CN 203421981 U CN203421981 U CN 203421981U
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- CN
- China
- Prior art keywords
- heat
- heat exchanger
- evaporation cavity
- heat pipe
- gas waste
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Abstract
The utility model relates to a heat exchanger for kiln flue gas waste heat recovery. The heat exchanger is of a box type structure. A separating plate is transversely installed on the middle-top portion inside a case in a sealing mode and divides the case into an evaporation cavity in the upper portion and a heat exchange cavity in the lower portion. A cold water inlet and a vapor outlet are formed in the portion, on one side of the evaporation cavity, of the case. A plurality of heat pipes are vertically and uniformly installed on the separating plate at intervals, the bottom ends of the heat pipes are installed on an installation plate on the bottom inside the case, the evaporation ends of the heat pipes extend into the evaporation cavity, and the heat exchange ends of the heat pipes extend into the heat exchange cavity. According to the heat exchanger without fins outside the heat pipes, raw materials are saved, the size is reduced, and the heat exchange area is enlarged, so that heat transfer is fast and high in efficiency. Meanwhile, the heat exchanger enables the waste heat of clean high-heating-value energy to be fully utilized, and provides technical support for improving the comprehensive benefits of enterprises.
Description
Technical field
The utility model belongs to exchange heat apparatus field, especially a kind of kiln gas waste heat recovery heat exchanger.
Background technology
Kiln is the equipment in order to burnt product being built into refractory material, is the indispensable facility in pottery art moulding.Mankind's pottery of up to ten thousand years burns makes history, has accumulated abundant kiln pattern and the experience made.From the ground of primitive society outdoor burnt in a heap, digging pit to build burns steamed bun shape and rises flame circular kiln, half downdraf horse shoe flame furnace, half way up the mountain dragon kiln, oval kiln, then to Indoor Air kiln, electrical kiln now, kiln science and technology is in continuous improvement.
At present, energy-conservation is a large theme of China's society, and it is the important topic that energy utilization rate improves in current China enterprise, relates to again the large problem of Sustainable Development in Future.People are in using the process of kiln, kiln can produce a large amount of useless flue gases, while discharging fume due to kiln, taken away kiln fuel heat energy sizable part, generally, tunnel cave and roller kilns are about 25% ~ 35%, the periodic kilns such as shuttle kiln are 45% ~ 80%, and this heat loss is a maximum part in kiln heat energy expenditure as seen.As can be seen here, if directly will give up fume emission to air, not only can cause serious environmental pollution, also cause the waste greatly of the energy simultaneously.Reclaiming and utilize this part heat, has been to reduce the most effectively means of kiln energy consumption.
In addition, in order to reduce, be directly disposed to airborne useless flue gas pollution on the environment, meeting use deduster is removed the dust granules in useless flue gas etc., but because the temperature of the useless flue gas generally giving off from kiln is all higher, be approximately 600 ℃ of left and right, and the serviceability temperature of deduster is when surpassing 130 ℃, can damages the production of deduster ，Zhe Gei enterprise and bring great inconvenience.
Hot pipe technique is the heat transfer element of a kind of being called " heat pipe " of George Ge Luofo (George Grover) invention of U.S. Los Alamos (Los Alamos) National Laboratory in 1963, it takes full advantage of the Rapid Thermal hereditary property of heat-conduction principle and refrigeration filling, see through heat pipe the heat of thermal objects is delivered to rapidly outside thermal source, its capacity of heat transmission surpasses the capacity of heat transmission of any known metal.Hot pipe technique has been widely used in, in the industries such as metallurgy, chemical industry, oil refining, boiler, pottery, traffic, light textile, machinery, carrying out the heat energy in recuperation of heat and comprehensive utilization process process, has obtained significant economic benefit.
The heat pipe outside of existing heat exchanger is mostly provided with fin, has not only virtually increased the volume of heat pipe, has reduced heat exchange area, has reduced heat transfer effect.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art part, provide a kind of rational in infrastructure, heat exchange efficiency is high, be convenient to installation and maintenance, make full use of the kiln gas waste heat recovery heat exchanger of the energy.
The technical scheme that the utility model technical solution problem adopts is:
A kind of kiln gas waste heat recovery heat exchanger, this heat exchanger is case structure, this case structure comprises housing and dividing plate, in housing, middle and upper part transverse sealing is installed described dividing plate, this dividing plate will be separated into the evaporation cavity on top and the heat exchanging chamber of bottom in housing, one cooling water inlet and a steam outlet are installed on evaporation cavity one side body, cold air import and steam outlet are separately positioned on the housing both sides of evaporation cavity position, wherein steam outlet is higher than the liquid level in evaporation cavity, cooling water inlet is in the liquid level of evaporation cavity, a plurality of heat pipes of the uniform installation of vertical spacing on described dividing plate, the bottom of heat pipe is installed on the installing plate of being located at housing inner bottom part, the evaporator section of heat pipe stretches in evaporation cavity, the heat exchanging segment of heat pipe stretches in heat exchanging chamber.
And, the evaporator section of described heat pipe: the length ratio of the heat exchanging segment of heat pipe is 2:1.5.
And, 2 ~ 4 universal wheels are installed on the bottom surface of described hull outside.
Advantage of the present utility model and good effect are:
1, the utility model heat exchanger is not provided with fin in the outside of heat pipe, not only saved raw material, and reduced volume, increased heat exchange area, make heat transmit more rapid, efficiency is high, meanwhile, with fin, do not make dust granules in useless flue gas that kiln enters etc. can not be attached on heat pipe yet, further improved the heat-transfer effect of heat pipe; And make the heat exchanging segment of heat pipe overcome hot environment, prevent booster.Meanwhile, this radiator not only makes clean high heating value energy waste heat be fully used, and provides technical support for improving Enterprise Integrated benefit.
2, the evaporator section of the heat pipe of the utility model heat exchanger: the length ratio of the heat exchanging segment of heat pipe is 2:1.5, and this length ratio has also improved the heat transfer effect of heat pipe; A universal wheel is installed, mobile this heat exchanger in the convenient process using on the bottom surface of the hull outside of this radiator.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The specific embodiment:
Below in conjunction with accompanying drawing and by specific embodiment, the utility model is described in further detail, and following examples are descriptive, are not determinate, can not limit protection domain of the present utility model with this.
A kind of kiln gas waste heat recovery heat exchanger, as shown in Figure 1, this heat exchanger is case structure, this case structure comprises housing 2 and dividing plate 7, in housing, middle and upper part transverse sealing is installed described dividing plate, this dividing plate will be separated into the evaporation cavity 4 on top and the heat exchanging chamber 8 of bottom in housing, one cooling water inlet 1 and a steam outlet 5 are installed on evaporation cavity one side body, cold air import and steam outlet are separately positioned on the housing both sides of evaporation cavity position, wherein steam outlet is higher than the liquid level in evaporation cavity, and cooling water inlet is in the liquid level of evaporation cavity.
Innovative point of the present utility model is:
(1) a plurality of heat pipes of the uniform installation of vertical spacing on described dividing plate, the bottom of heat pipe is installed on the installing plate 9 of being located at housing inner bottom part, and the evaporator section 3 of heat pipe stretches in evaporation cavity, and the heat exchanging segment 10 of heat pipe stretches in heat exchanging chamber.Fin is not installed on the heat pipe of this radiator, not only saved raw material, and reduced volume, increased heat exchange area, make heat transmit more rapid, efficiency is high, meanwhile, with fin, do not make dust granules in useless flue gas that kiln enters etc. can not be attached on heat pipe yet, further improved the heat-transfer effect of heat pipe; And make the heat exchanging segment of heat pipe overcome hot environment, prevent booster.
(2) the evaporator section of described heat pipe: the length ratio of the heat exchanging segment of heat pipe is 2:1.5, and this length ratio has also improved the heat transfer effect of heat pipe.
(3) 2 ~ 4 universal wheels 6 are installed, mobile this heat exchanger in the convenient process using on the bottom surface of described hull outside.
Operation principle of the present utility model is:
After the useless flue gas of kiln discharge enters in the heat exchanging chamber of this radiator, by the heat exchanging segment of heat pipe, transfer heat to the evaporator section of heat pipe, then the evaporator section of heat pipe transfers heat to by cooling water inlet and enters the cold water in evaporation cavity, by cool water heating and then be evaporated to steam, the upper surface of cold water is lower than the installation site of steam outlet, after steam is discharged by steam outlet, can utilize again, the temperature of the useless flue gas of kiln discharge simultaneously has also obtained cooling, can re-use the equipment such as deduster and process.This radiator has not only improved the utilization rate of the energy, and has simplified the processing of the useless flue gas of kiln discharge, environmental protection and energy saving.
Use this radiator the temperature of the useless flue gas of 600 ℃ of left and right that give off in kiln can be reduced to 100 ℃ of left and right.
Claims (3)
1. a kiln gas waste heat recovery heat exchanger, this heat exchanger is case structure, this case structure comprises housing and dividing plate, in housing, middle and upper part transverse sealing is installed described dividing plate, this dividing plate will be separated into the evaporation cavity on top and the heat exchanging chamber of bottom in housing, one cooling water inlet and a steam outlet are installed on evaporation cavity one side body, cold air import and steam outlet are separately positioned on the housing both sides of evaporation cavity position, wherein steam outlet is higher than the liquid level in evaporation cavity, cooling water inlet is in the liquid level of evaporation cavity, it is characterized in that: a plurality of heat pipes of the uniform installation of vertical spacing on described dividing plate, the bottom of heat pipe is installed on the installing plate of being located at housing inner bottom part, the evaporator section of heat pipe stretches in evaporation cavity, the heat exchanging segment of heat pipe stretches in heat exchanging chamber.
2. kiln gas waste heat recovery heat exchanger according to claim 1, is characterized in that: the evaporator section of described heat pipe: the length ratio of the heat exchanging segment of heat pipe is 2:1.5.
3. kiln gas waste heat recovery heat exchanger according to claim 1, is characterized in that: 2 ~ 4 universal wheels are installed on the bottom surface of described hull outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320352655.6U CN203421981U (en) | 2013-06-19 | 2013-06-19 | Heat exchanger for kiln flue gas waste heat recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320352655.6U CN203421981U (en) | 2013-06-19 | 2013-06-19 | Heat exchanger for kiln flue gas waste heat recovery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203421981U true CN203421981U (en) | 2014-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320352655.6U Expired - Fee Related CN203421981U (en) | 2013-06-19 | 2013-06-19 | Heat exchanger for kiln flue gas waste heat recovery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203421981U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112432511A (en) * | 2020-11-16 | 2021-03-02 | 无锡晶瑜智能机械有限公司 | Environment-friendly industrial furnace with waste gas treatment function |
| CN112648869A (en) * | 2020-04-10 | 2021-04-13 | 山东黄金集团有限公司 | Heat pipe and ground source heat pump system thereof |
-
2013
- 2013-06-19 CN CN201320352655.6U patent/CN203421981U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648869A (en) * | 2020-04-10 | 2021-04-13 | 山东黄金集团有限公司 | Heat pipe and ground source heat pump system thereof |
| CN112648869B (en) * | 2020-04-10 | 2022-02-22 | 山东黄金集团有限公司 | Heat pipe and ground source heat pump system thereof |
| CN112432511A (en) * | 2020-11-16 | 2021-03-02 | 无锡晶瑜智能机械有限公司 | Environment-friendly industrial furnace with waste gas treatment function |
| CN112432511B (en) * | 2020-11-16 | 2024-02-20 | 无锡晶瑜智能机械有限公司 | Environment-friendly industrial furnace with waste gas treatment function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140205 Termination date: 20140619 |
|
| EXPY | Termination of patent right or utility model |