CN210346372U - Kiln air preheating equipment - Google Patents
Kiln air preheating equipment Download PDFInfo
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- CN210346372U CN210346372U CN202020329378.7U CN202020329378U CN210346372U CN 210346372 U CN210346372 U CN 210346372U CN 202020329378 U CN202020329378 U CN 202020329378U CN 210346372 U CN210346372 U CN 210346372U
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- preheating
- cavity
- heat exchange
- furnace body
- heat
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The utility model discloses a kiln air preheating device, which comprises a furnace body and a preheating device, wherein the furnace body is arranged adjacent to the preheating device, the preheating device comprises a preheating cavity, a heat exchange pipeline is arranged in the preheating cavity, the inlet end of the heat exchange pipeline passes through the upper part of one side end of the preheating cavity and is fixedly connected with the furnace body, the inlet end of the heat exchange pipeline is communicated with the interior of the furnace body, the outlet end of the heat exchange pipeline passes through the lower part of the other end of the preheating cavity, two side sections in the preheating cavity are both fixedly provided with reflecting plates, and the upper end of the preheating cavity is formed with a cold air inlet and a cold air outlet; the beneficial effects are that: the hot waste gas in the furnace body enters the preheating cavity through the heat exchange pipeline, the hot waste gas in the heat exchange pipeline is subjected to heat exchange with cold air through the heat conduction effect of the heat exchange pipeline, the reflecting plate is further installed in the preheating cavity, the heat reflection and the cold air which are scattered on the inner wall of the preheating cavity are contacted again, the waste heat in the furnace body is fully utilized, and the heat efficiency of the furnace body is improved.
Description
Technical Field
The utility model belongs to the technical field of the kiln and specifically relates to a kiln air preheating device is related to.
Background
The kiln is a furnace used for firing ceramic ware and sculpture or fusing enamel on the surface of metal ware, and is a necessary facility in ceramic art forming; from overground open-air stacking and pit digging and burning to steamed bun-shaped flame-rising circular kilns, semi-inverted-flame horseshoe-shaped kilns, semi-slope dragon kilns and duck egg-shaped kilns in the original society and to the current indoor air kilns and electric kilns, the kiln technology is continuously improved and developed, and the improvement is continuously made for adapting to the current production rule; the temperature of the kiln is high during working, a large amount of waste heat still exists after the kiln works, in order to further improve the heat efficiency of the kiln and achieve the purposes of energy saving and consumption reduction, the recovery of the waste heat of the waste gas of the kiln is an important energy-saving way, but the conventional waste gas waste heat recovery device of the kiln cannot fully preheat the air, and the utilization rate of the waste heat of the waste gas of the kiln is low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.
The utility model provides a kiln air preheating device, includes furnace body and preheating device, the furnace body sets up with preheating device is adjacent, preheating device has the heat transfer pipeline including preheating the cavity, preheats the internally mounted of cavity, the entrance point of heat transfer pipeline passes the upper portion of preheating a cavity side and furnace body fixed connection, and the entrance point of heat transfer pipeline communicates with each other with the furnace body is inside, the exit end of heat transfer pipeline passes the lower part of preheating the other end of cavity, the equal fixed mounting in both sides section of the inside of preheating the cavity has the reflecting plate, the upper end shaping of preheating the cavity has cold air inlet and cold air outlet.
Preferably, the heat exchange pipe is arranged in the preheating cavity from top to bottom in a spiral shape.
Preferably, the inner walls of the preheating cavities are adhered with insulating layers.
Preferably, the part of the heat exchange pipe inside the preheating cavity is made of heat conducting material.
Preferably, an exhaust fan is fixedly installed inside the inlet end of the heat exchange pipeline.
Preferably, the inside of the inlet end of the heat exchange pipeline is fixedly provided with a dustproof filter screen, and the dustproof filter screen is arranged behind the exhaust fan.
Compared with the prior art, the beneficial effects of the utility model are that: the cold air of preheating the intracavity can be preheated, make full use of the waste heat in the furnace body, simultaneously, through the transmitting plate with steam transmission, can let enter into wherein cold air be heated evenly, fully improved the utilization ratio of hot waste gas in the furnace body, hot waste gas after the heat exchange passes through the exit end discharge of heat transfer pipeline, concentrates the collection, reaches energy saving and consumption reduction's purpose.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. furnace body, 2, preheating device, 3, preheat the cavity, 4, heat preservation, 5, heat transfer pipeline, 6, air exhauster, 7, dustproof filter screen, 8, reflecting plate, 9, cold air entry, 10, cold air export.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. 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 fig. 1, in an embodiment of the present invention, a kiln air preheating device includes a furnace body 1 and a preheating device 2, the furnace body 1 and the preheating device 2 are disposed adjacent to each other, the preheating device 2 includes a preheating cavity 3, a heat insulating layer 4 is adhered to the inner wall of the preheating cavity 3, a heat exchange pipe 5 is disposed inside the preheating cavity 3, the heat exchange pipe 5 is disposed in the preheating cavity 3 from top to bottom according to a spiral shape, an inlet end of the heat exchange pipe 5 passes through an upper portion of one side end of the preheating cavity 3 and is fixedly connected to the furnace body 1, an inlet end of the heat exchange pipe 5 is communicated with the inside of the furnace body 1, an exhaust fan 6 is fixedly disposed inside the inlet end of the heat exchange pipe 5, so that hot air in the furnace body 1 enters the heat exchange pipe 5 at an accelerated rate, a dustproof filter screen 7 is fixedly disposed, the dustproof filter screen 7 is arranged behind the exhaust fan 6 and is used for filtering part of dust to avoid blocking the heat exchange pipeline 5;
the part of the heat exchange pipeline 5 in the preheating cavity 3 is made of heat conducting materials, so that heat exchange between hot air in the heat exchange pipeline 5 and cold air in the preheating cavity 3 can be effectively improved, the cold air is preheated, the outlet end of the heat exchange pipeline 5 penetrates through the lower part of the other end of the preheating cavity 3, reflecting plates 8 are fixedly mounted on two side sections in the preheating cavity 3, heat dissipated to the inner wall of the preheating cavity 3 can be effectively reflected back into the preheating cavity 3, the cold air in the preheating cavity 3 can be uniformly contacted with the heat, the preheating effect is improved, and a cold air inlet 9 and a cold air outlet 10 are formed in the upper end of the preheating cavity 3;
the utility model discloses a theory of operation is: cold air enters the preheating cavity 3 from a cold air inlet 9 at the upper end of the preheating cavity 3, an exhaust fan 6 at the inlet end of the heat exchange pipeline 5 is opened, waste heat air inside the furnace body 1 is rapidly introduced into the heat exchange pipeline 5, at the moment, the waste heat air in the heat exchange pipeline 5 and the cold air in the preheating cavity 3 are subjected to heat exchange, the cold air is preheated by utilizing the waste heat, wherein a heat preservation layer 4 is adhered to the preheating cavity 3, the preheated cold air and the outside are effectively isolated, the loss of heat is avoided, more preferably, a reflecting plate 8 is fixedly installed in the preheating cavity 3, the heat in the preheating cavity 3 can be reflected in time, the heat can be uniformly mixed with the cold air, the heat efficiency is improved, and waste heat gas of the furnace body 1 after heat exchange is discharged from the outlet end of the heat exchange pipeline 5.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (6)
1. The utility model provides a kiln air preheating device, its characterized in that, includes furnace body and preheating device, the furnace body sets up with preheating device is adjacent, preheating device has the heat transfer pipeline including preheating the cavity, preheats the internally mounted of cavity, the entrance point of heat transfer pipeline passes the upper portion of preheating one side of cavity and furnace body fixed connection, and the entrance point of heat transfer pipeline communicates with each other with the furnace body is inside, the exit end of heat transfer pipeline passes the lower part of preheating the other end of cavity, the equal fixed mounting in both sides section of the inside of preheating the cavity has the reflecting plate, the upper end shaping of preheating the cavity has cold air inlet and cold air outlet.
2. The kiln air preheating device according to claim 1, wherein the heat exchange tubes are arranged in the preheating cavity in a spiral shape from top to bottom.
3. The kiln air preheating device according to claim 1, wherein the inner walls of the preheating cavity are adhered with insulating layers.
4. Kiln air preheating equipment according to claim 1, characterized in that the part of the heat exchange duct inside the preheating chamber is of heat conducting material.
5. Kiln air preheating equipment according to claim 1, characterized in that an exhaust fan is fixedly mounted inside the inlet end of the heat exchange duct.
6. The kiln air preheating equipment as claimed in claim 5, wherein a dustproof filter screen is fixedly installed inside the inlet end of the heat exchange pipeline, and the dustproof filter screen is installed behind the exhaust fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020329378.7U CN210346372U (en) | 2020-03-17 | 2020-03-17 | Kiln air preheating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020329378.7U CN210346372U (en) | 2020-03-17 | 2020-03-17 | Kiln air preheating equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210346372U true CN210346372U (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020329378.7U Active CN210346372U (en) | 2020-03-17 | 2020-03-17 | Kiln air preheating equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210346372U (en) |
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2020
- 2020-03-17 CN CN202020329378.7U patent/CN210346372U/en active Active
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