CN216954094U

CN216954094U - Heating furnace waste heat utilization equipment

Info

Publication number: CN216954094U
Application number: CN202220690941.2U
Authority: CN
Inventors: 郭宏伟
Original assignee: Nanyang Weipeng Electromechanical Equipment Co ltd
Current assignee: Nanyang Weipeng Electromechanical Equipment Co ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-07-12
Anticipated expiration: 2032-03-28

Abstract

The utility model discloses a heating furnace waste heat utilization device which comprises a heating furnace, wherein a first connecting pipe is installed at the upper end of the heating furnace, the other end of the first connecting pipe is connected with a material preheating disc, a second connecting pipe is connected to the right side of the upper end face of the material preheating disc, the other end of the second connecting pipe is connected with a spiral condensing pipe, and the other end of the spiral condensing pipe is connected with a collecting barrel through an air inlet. According to the utility model, waste heat is recycled through the material preheating disc and the preheating water barrel, the waste heat utilization efficiency can be improved, water vapor can be condensed by arranging the spiral condensing pipe and combining the spiral condensing pipe with the preheating water barrel, then the water vapor flows into the collecting barrel through the air inlet, the collected condensed water is analyzed and researched, a reasonable method and application can be formulated according to the quantity range, the air filter screen can filter the discharged air, the service life of the exhaust fan can be prolonged, and the corrosion of hot smoke to the air filter screen is reduced.

Description

Heating furnace waste heat utilization equipment

Technical Field

The utility model relates to the technical field of heating furnaces, in particular to a heating furnace waste heat utilization device.

Background

In the metallurgical industry, furnaces are devices that heat a material or a metal workpiece to a rolling forging temperature. The application of the heating furnace is in various fields of petroleum, chemical industry, metallurgy, machinery, heat treatment, surface treatment, building materials, electronics, materials, light industry, daily chemicals, pharmacy and the like. The heating furnace is high in temperature during heating, a large amount of high-temperature heat is taken away by flue gas, waste is caused, and the heat utilization rate is low. The waste of heat energy is reduced by generally recycling the heat of the flue gas through a waste heat recycling device.

The utility model provides a waste heat utilization device of a heating furnace, which solves the problems that when the heat in the heating furnace is recovered and conveyed by a blower, the service life of the waste heat utilization device is influenced due to the erosion of hot flue gas, the recovery and utilization efficiency is low, the function is single, and the waste heat cannot be fully utilized.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the prior art, the utility model discloses a heating furnace waste heat utilization device, which adopts the technical scheme that the heating furnace waste heat utilization device comprises: the heating furnace, first connecting pipe is installed to the heating furnace upper end, the other end and the material of first connecting pipe preheat the dish and be connected, the up end right side that the material preheats the dish is connected with the second connecting pipe, the other end and the spiral condenser pipe of second connecting pipe are connected, the other end of spiral condenser pipe passes through the air inlet and is connected with the collecting vessel, the gas outlet has been seted up to the side of collecting vessel, the exhaust fan is installed in the outside of gas outlet, the heating furnace passes through first connecting pipe with the material preheats the dish and is linked together, the material preheats the dish and passes through the second connecting pipe with the collecting vessel is connected, preheating water bucket is installed to the periphery of spiral condenser pipe.

As a preferable aspect of the present invention, the heating furnace and the first connecting pipe are fixedly connected by a first flange and a second flange.

As a preferable scheme of the utility model, a placing cavity is arranged in the middle of the material preheating plate, and the lower end face of the material preheating plate is in threaded connection with a lower end cover which is convenient to open and clean the interior.

As a preferable scheme of the utility model, the peripheral side walls of the placing cavity are all hollow structures.

As a preferable scheme of the present invention, a sealing ring for improving sealing performance is installed between the lower end cover and the material preheating plate.

As a preferred scheme of the present invention, the preheating water tank is provided with a water inlet pipe and a water outlet pipe on the upper end surface and the lower end surface respectively.

As a preferred scheme of the utility model, an air filter screen for filtering air is sleeved in an inner cavity of the air outlet.

The utility model has the beneficial effects that: the utility model recycles waste heat through the material preheating plate and the preheating water barrel, heats materials and water, can improve the waste heat utilization efficiency, can condense water vapor through the arrangement of the spiral condensing pipe and is combined with the preheating water barrel, then flows into the collecting barrel through the air inlet, analyzes and researches the collected condensed water, can set reasonable method and application according to quantity range, is provided with the hollow placing cavity on the side wall, can heat materials more quickly, the lower end cover can be opened to clean the inside, avoids water accumulation in the material preheating plate, the sealing ring can improve the sealing property between the lower end cover and the material preheating plate, the water inlet pipe and the water outlet pipe can facilitate the inflow and the discharge of water, can circularly heat the water in the preheating water barrel, and the air filtering net can filter the discharged air, the environment is facilitated, the service life of the exhaust fan can be prolonged, and the erosion of hot smoke to the exhaust fan is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and 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 creative efforts.

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

FIG. 2 is a bottom view of a partial structure of the present invention;

fig. 3 is a schematic view of the internal structure of the preheating water tank of the present invention.

In the figure: 1-heating furnace, 101-first flange plate, 2-first connecting pipe, 201-second flange plate, 3-material preheating plate, 301-placing cavity, 4-second connecting pipe, 5-preheating water barrel, 501-water inlet pipe, 502-water outlet pipe, 6-collecting barrel, 601-air outlet, 602-air inlet, 7-exhaust fan, 8-lower end cover and 9-spiral condensing pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the utility model, and further, the terms "first", "second", etc., are used only for descriptive purposes and are not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated, whereby the features defined as "first", "second", etc., may explicitly or implicitly include one or more of such features, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, and the two elements may be communicated with each other, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art through specific situations.

Example 1

As shown in fig. 1 to 3, a specific embodiment of a heating furnace waste heat utilization device of the present invention includes: heating furnace 1, first connecting pipe 2 is installed to heating furnace 1 upper end, the other end and the material of first connecting pipe 2 preheat dish 3 and are connected, the up end right side that the material preheats dish 3 is connected with second connecting pipe 4, the other end of second connecting pipe 4 is connected with spiral condenser pipe 9, spiral condenser pipe 9's the other end passes through air inlet 602 and is connected with collecting vessel 6, gas outlet 601 has been seted up to collecting vessel 6's side, exhaust fan 7 is installed in the outside of gas outlet 601, heating furnace 1 preheats dish 3 through first connecting pipe 2 and material and is linked together, material preheats dish 3 and is connected with the collecting vessel through second connecting pipe 4, preheat water bucket 5 is installed to spiral condenser pipe 9's periphery.

The heating furnace 1 and the first connecting pipe 2 are fixedly connected through a first flange plate 101 and a second flange plate 201.

The intermediate position of material preheating plate 3 is provided with places chamber 301, and lower terminal surface threaded connection has lower end cover 8, and lower end cover 8 can be opened and to inside clearance, and avoids the inside ponding of material preheating plate 3.

The side walls all around of the placing cavity 301 are of hollow structures, the placing cavity 301 is hollow through the side walls, and heating of materials can be carried out faster.

And a sealing ring is arranged between the lower end cover 8 and the material preheating plate 3, and the sealing ring can improve the sealing property between the lower end cover 8 and the material preheating plate 3.

The upper end face and the lower end face of the preheating water barrel 5 are respectively provided with a water inlet pipe 501 and a water outlet pipe 502, the water inlet pipe 501 and the water outlet pipe 502 can facilitate the inflow and the discharge of water, and the water in the preheating water barrel 5 can be heated circularly.

An air filter screen is sleeved in the inner cavity of the air outlet 601, the air filter screen can filter exhausted air, the environment is facilitated, the service life of the exhaust fan 7 can be prolonged, and erosion of hot smoke to the exhaust fan is reduced.

The working principle of the utility model is as follows: when the waste heat recovery device is used, hot smoke exhausted by the heating furnace 1 enters the material preheating disc 3 through the first connecting pipe 2, then preheats the material through the heat of the smoke, then enters the spiral condensing pipe 9 through the second connecting pipe 4, the hot smoke can preheat water in the preheating water barrel 5, the water in the preheating water barrel 5 can also cool the hot smoke, then the hot smoke can be condensed through the bent pipeline, then the hot smoke flows into the collecting barrel 6 through the air inlet 602, the gas is exhausted through the air outlet 601, the condition of condensed water for recovering the waste heat is clearly known, and a reasonable method and application can be formulated according to the quantity range.

Through setting up the lateral wall for hollow chamber 301 of placing, can be faster carry out the heating of material, lower end cover 8 can be opened and to inside clearance, and avoid the material to preheat 3 inside ponds of dish, the sealing washer can improve the leakproofness between lower end cover 8 and the material preheats the dish 3, inlet tube 501 and outlet pipe 502 can be convenient for the inflow and the discharge of water, can circulate the water to preheating water bucket 5 in heat, airstrainer can filter exhaust air, more be favorable to the environment, and can prolong the life of exhaust fan 7, reduce the erosion of hot flue gas to it.

Components not described in detail herein are prior art.

Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes and modifications without inventive changes may be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.

Claims

1. A heating furnace waste heat utilization device comprises: heating furnace (1), its characterized in that: a first connecting pipe (2) is arranged at the upper end of the heating furnace (1), the other end of the first connecting pipe (2) is connected with a material preheating tray (3), the right side of the upper end surface of the material preheating plate (3) is connected with a second connecting pipe (4), the other end of the second connecting pipe (4) is connected with a spiral condensing pipe (9), the other end of the spiral condensation pipe (9) is connected with the collecting barrel (6) through an air inlet (602), an air outlet (601) is formed in the side surface of the collecting barrel (6), an exhaust fan (7) is installed on the outer side of the air outlet (601), the heating furnace (1) is communicated with the material preheating plate (3) through the first connecting pipe (2), the material preheating plate (3) is connected with the collecting barrel through the second connecting pipe (4), and a preheating water barrel (5) is arranged on the periphery of the spiral condensation pipe (9).

2. The waste heat utilization device of the heating furnace according to claim 1, characterized in that: the heating furnace (1) and the first connecting pipe (2) are fixedly connected through a first flange plate (101) and a second flange plate (201).

3. The waste heat utilization device of the heating furnace according to claim 1, characterized in that: the middle position of the material preheating plate (3) is provided with a placing cavity (301), and the lower end face of the material preheating plate is in threaded connection with a lower end cover (8).

4. A heating furnace waste heat utilization device according to claim 3, characterized in that: the peripheral side walls of the placing cavity (301) are all hollow structures.

5. A heating furnace waste heat utilization device according to claim 3, characterized in that: and a sealing ring is arranged between the lower end cover (8) and the material preheating disc (3).

6. The waste heat utilization device of the heating furnace according to claim 1, characterized in that: the upper end surface and the lower end surface of the preheating water barrel (5) are respectively provided with a water inlet pipe (501) and a water outlet pipe (502).

7. The waste heat utilization device of the heating furnace according to claim 1, characterized in that: an air filter screen is sleeved in the inner cavity of the air outlet (601).