CN214841671U

CN214841671U - High-temperature hot-blast stove

Info

Publication number: CN214841671U
Application number: CN202121103167.2U
Authority: CN
Inventors: 周鹏; 孙伟东; 秦松
Original assignee: Changyang Qingjiang Machinery Manufacturing Co ltd
Current assignee: Changyang Qingjiang Machinery Manufacturing Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-11-23
Anticipated expiration: 2031-05-21

Abstract

The utility model provides a high temperature hot-blast furnace, including guard plate and device main part, be provided with the combustion chamber in the device main part, and the below of combustion chamber is provided with out the ash cavity, first air intake has been seted up on the lateral wall of combustion chamber, and be connected with the heat-conducting plate on the outer wall of combustion chamber, be connected with the guide duct on the heat-conducting plate, and be connected with the fixed plate on the guide duct, connect the via hole has been seted up to the position that the heat-conducting plate corresponds with first air intake, and the top of combustion chamber is provided with the heat transfer room, be provided with the heat exchanger in the heat transfer room, and the flue gas export has been seted up to the top of heat transfer room, the steam outlet has been seted up to one side of flue gas export, be connected with the air exhauster on its steam outlet, the mouth is put in to the fuel has been seted up in the front of device main part, and the below of putting in the fuel has been seted up except that the ash mouth. The utility model discloses a set up heat-conducting plate, guide duct and guard plate, can reach the purpose that improves device heat utilization efficiency.

Description

High-temperature hot-blast stove

Technical Field

The utility model relates to a tea wrap technical field specifically is high temperature hot-blast furnace.

Background

The tea leaves are required to be subjected to the step of enzyme deactivation in the production process, the efficiency of the step of enzyme deactivation in the production process of the tea leaves by adopting a high-temperature hot blast stove is higher, but the following defects or problems exist in the prior art:

1. the high-temperature hot blast stove in the current market has the advantages that the utilization rate of heat energy generated by fuel combustion is low, the heat generated by combustion is transferred to flowing air through the heat exchanger when the high-temperature hot blast stove is used, and hot air is introduced into the tea leaf enzyme-deactivating device through the fan, however, the heat which can be converted by the heat exchanger is limited, and a large amount of heat is lost to the atmosphere, so that waste is caused;

2. the high-temperature hot blast stove exists in the current market, heat generated by combustion of fuel in a combustion chamber can be transferred to the stove wall of the hot blast stove when the high-temperature hot blast stove is used, the heat transferred to the stove wall not only causes heat loss, but also can increase the temperature of the environment nearby the high-temperature hot blast stove to influence the work of workers, thereby influencing the efficiency of tea water-removing work.

Disclosure of Invention

An object of the utility model is to provide a high temperature hot-blast furnace to prior art's weak point to the solution is lower, easily causes the problem that operational environment temperature risees to thermal utilization ratio.

In order to achieve the above object, the utility model provides a following technical scheme: a high-temperature hot blast stove comprises a protection plate and a device main body, wherein a combustion chamber is arranged in the device main body, an ash outlet cavity is arranged below the combustion chamber, a first air inlet is formed in the side wall of the combustion chamber, a heat-conducting plate is connected to the outer wall of the combustion chamber, an air guide pipe is connected to the heat-conducting plate, a fixing plate is connected to the air guide pipe, a connecting through hole is formed in the position, corresponding to the first air inlet, of the heat-conducting plate, a heat exchange chamber is arranged above the combustion chamber, a heat exchanger is arranged in the heat exchange chamber, a flue gas outlet is formed above the heat exchange chamber, a hot gas outlet is formed in one side of the flue gas outlet, an exhaust fan is connected to the hot gas outlet, a fuel feeding port is formed in the front of the device main body, an ash removing port is formed below the fuel feeding port, a second air inlet is formed in the protection plate, an air filtering plate is connected to an air filtering plate, a third air inlet is formed below the second air inlet, and the third air inlet is connected with a blower.

As the utility model discloses a preferred technical scheme, first air intake is linked together through connecting pipe and third air intake, and connect the internal diameter size of through-hole and the external diameter size of connecting pipe agree with mutually.

As the utility model discloses a preferred technical scheme, the figure of heat-conducting plate is three groups, and three heat-conducting plate settings of group have fuel put in on the trilateral lateral wall of mouthful one side in the combustion chamber except that.

As the utility model discloses an optimal technical scheme, the guide duct passes through fixed plate and heat-conducting plate fixed connection, and the guide duct is made by heat conduction metal material with the fixed plate.

As the utility model discloses a preferred technical scheme, the heat exchanger is linked together through guide duct and second air intake, and the steam outlet is linked together through breather pipe and heat exchanger.

As the utility model discloses an optimized technical scheme, the suction opening of air exhauster is linked together through connecting piece and steam outlet, and the air outlet of air exhauster is linked together with the tealeaves device that completes of peripheral hardware.

As the utility model discloses a preferred technical scheme, the air-blower is linked together through connecting piece and third air inlet.

As the utility model discloses an optimal technical scheme, the guard plate is made by thermal insulation material, and sets up on the positive guard plate of device main part and puts in mouthful, the corresponding logical groove of ash removal mouth with the fuel.

Compared with the prior art, the utility model provides a high temperature hot-blast furnace possesses following beneficial effect:

1. the heat conducting plate is arranged on the outer wall of the combustion furnace, the air guide pipe and the fixing plate are arranged on the heat conducting plate, then the air guide pipe is communicated to the heat exchanger, and the heat conducting plate is used for transmitting the temperature on the furnace wall to the air guide pipe, so that the temperature on the furnace wall can be transmitted to the air in the air guide pipe through the heat conducting plate when the air guide pipe is ventilated, and then the heat is introduced into the externally-connected tea leaf water-removing device through the heat exchanger and the exhaust fan, and compared with a traditional high-temperature hot blast stove, the design has the advantage that the utilization rate of the heat generated by fuel combustion is higher;

2. the protection plate made of the heat insulation material is arranged on the outer side of the device main body, the temperature of the hot blast stove is isolated through the protection plate, so that the rising of the ambient temperature near the device is avoided, the heat can be accumulated in the gap between the device main body and the protection plate due to the arrangement of the protection plate, the heat conduction plate is favorable for transferring the temperature to the air guide pipe, the protection plate can play a role in protecting the device main body, and the device main body is prevented from being collided and damaged.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is a schematic diagram of the structure of the heat conducting plate of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a protection plate; 2. a device main body; 3. a combustion chamber; 4. an ash outlet cavity; 5. a first air inlet; 6. a heat conducting plate; 7. an air guide pipe; 8. a fixing plate; 9. a connecting through hole; 10. a heat exchange chamber; 11. a heat exchanger; 12. a flue gas outlet; 13. a hot gas outlet; 14. an exhaust fan; 15. a fuel input port; 16. a dust removing port; 17. a second air inlet; 18. an air filter plate; 19. a third air inlet; 20. a blower.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-4, in this embodiment: a high-temperature hot blast stove comprises a protection plate 1 and a device main body 2, wherein a combustion chamber 3 is arranged in the device main body 2, an ash outlet cavity 4 is arranged below the combustion chamber 3, a first air inlet 5 is formed in the side wall of the combustion chamber 3, a heat conducting plate 6 is connected to the outer wall of the combustion chamber 3, a wind guiding pipe 7 is connected to the heat conducting plate 6, a fixing plate 8 is connected to the wind guiding pipe 7, a connecting through hole 9 is formed in the position, corresponding to the first air inlet 5, of the heat conducting plate 6, a heat exchange chamber 10 is arranged above the combustion chamber 3, a heat exchanger 11 is arranged in the heat exchange chamber 10, a flue gas outlet 12 is formed above the heat exchange chamber 10, a hot gas outlet 13 is formed in one side of the flue gas outlet 12, an exhaust fan 14 is connected to the hot gas outlet 13, a fuel feeding port 15 is formed in the front surface of the device main body 2, an ash removing port 16 is formed below the fuel feeding port 15, a second air inlet 17 is formed in the protection plate 1, and the second air inlet 17 is connected with an air filter plate 18, a third air inlet 19 is arranged below the second air inlet 17, and the third air inlet 19 is connected with an air blower 20.

In this embodiment, the first air inlet 5 is communicated with the third air inlet 19 through a connecting pipe, and the inner diameter of the connecting through hole 9 is matched with the outer diameter of the connecting pipe, so as to ventilate into the combustion chamber 3; the number of the heat conducting plates 6 is three, and the three heat conducting plates 6 are arranged on the side walls of the combustion chamber 3 except the side wall with the fuel feeding port 15, so that the heat utilization rate of the device is improved; the air guide pipe 7 is fixedly connected with the heat conducting plate 6 through a fixing plate 8, and the air guide pipe 7 and the fixing plate 8 are both made of heat conducting metal materials so as to facilitate heat transfer; the heat exchanger 11 is communicated with the second air inlet 17 through the air guide pipe 7, and the hot air outlet 13 is communicated with the heat exchanger 11 through the vent pipe so as to realize the conversion and the transfer of heat; an air suction opening of the exhaust fan 14 is communicated with the hot air outlet 13 through a connecting piece, and an air outlet of the exhaust fan 14 is communicated with an external tea leaf enzyme deactivating device so as to realize the circulation of air in the air guide pipe 7; the blower 20 is communicated with the third air inlet 19 through a connecting piece so as to improve the combustion efficiency of the fuel; the protection plate 1 is made of heat insulation materials, and the protection plate 1 on the front surface of the device main body 2 is provided with a through groove corresponding to the fuel feeding port 15 and the ash removing port 16 so as to realize heat insulation of the device.

The utility model discloses a theory of operation and use flow: when the device is used, the smoke outlet 12 on the device is connected with an external smoke dust removal device, the air outlet of the exhaust fan 14 is connected with an external tea leaf enzyme-deactivating device, then coal fuel is put into the combustion chamber 3 through the fuel putting-in port 15, the exhaust fan 14 and the air blower 20 are started simultaneously, smoke generated after fuel combustion is discharged from the smoke outlet 12 through the heat exchange chamber 10, and along with the work of the exhaust fan 14, external air enters the air guide pipe 7 through the air filter plate 18 and the second air inlet 17, then flows through the heat conduction plate 6 along with the air guide pipe 7, flows into the exhaust fan 14 through the heat exchanger 11, and finally is introduced into the external tea leaf enzyme-deactivating device through the exhaust fan 14.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high temperature hot-blast furnace, includes guard plate (1) and device main part (2), its characterized in that: a combustion chamber (3) is arranged in the device main body (2), an ash outlet cavity (4) is arranged below the combustion chamber (3), a first air inlet (5) is formed in the side wall of the combustion chamber (3), a heat conduction plate (6) is connected to the outer wall of the combustion chamber (3), an air guide pipe (7) is connected to the heat conduction plate (6), a fixing plate (8) is connected to the air guide pipe (7), a connecting through hole (9) is formed in the position, corresponding to the first air inlet (5), of the heat conduction plate (6), a heat exchange chamber (10) is arranged above the combustion chamber (3), a heat exchanger (11) is arranged in the heat exchange chamber (10), a flue gas outlet (12) is formed above the heat exchange chamber (10), a hot gas outlet (13) is formed in one side of the flue gas outlet (12), an exhaust fan (14) is connected to the hot gas outlet (13), and a fuel feeding port (15) is formed in the front of the device main body (2), and the ash removal port (16) is arranged below the fuel feeding port (15), the protection plate (1) is provided with a second air inlet (17), the second air inlet (17) is connected with an air filter plate (18), the third air inlet (19) is arranged below the second air inlet (17), and the third air inlet (19) is connected with an air blower (20).

2. The high temperature hot blast stove according to claim 1, characterized in that: the first air inlet (5) is communicated with the third air inlet (19) through a connecting pipe, and the inner diameter of the connecting through hole (9) is matched with the outer diameter of the connecting pipe.

3. The high temperature hot blast stove according to claim 1, characterized in that: the number of the heat conducting plates (6) is three, and the three heat conducting plates (6) are arranged on the side wall of the combustion chamber (3) except the side wall with the fuel feeding port (15).

4. The high temperature hot blast stove according to claim 1, characterized in that: the air guide pipe (7) is fixedly connected with the heat conducting plate (6) through a fixing plate (8), and the air guide pipe (7) and the fixing plate (8) are both made of heat conducting metal materials.

5. The high temperature hot blast stove according to claim 1, characterized in that: the heat exchanger (11) is communicated with the second air inlet (17) through the air guide pipe (7), and the hot air outlet (13) is communicated with the heat exchanger (11) through the vent pipe.

6. The high temperature hot blast stove according to claim 1, characterized in that: an air suction opening of the exhaust fan (14) is communicated with the hot air outlet (13) through a connecting piece, and an air outlet of the exhaust fan (14) is communicated with an external tea leaf enzyme-deactivating device.

7. The high temperature hot blast stove according to claim 1, characterized in that: the blower (20) is communicated with the third air inlet (19) through a connecting piece.

8. The high temperature hot blast stove according to claim 1, characterized in that: the protection plate (1) is made of heat insulation materials, and a through groove corresponding to the fuel feeding port (15) and the ash removing port (16) is formed in the protection plate (1) on the front face of the device main body (2).