CN210464025U

CN210464025U - Kiln heat recovery device

Info

Publication number: CN210464025U
Application number: CN201921486606.5U
Authority: CN
Inventors: 相飞
Original assignee: Jiangsu Rose Industry Group Co Ltd
Current assignee: Jiangsu Rose Industry Group Co Ltd
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-05-05
Anticipated expiration: 2029-09-09

Abstract

The utility model relates to a kiln technical field just discloses a kiln heat recovery unit, including the kiln body. The kiln heat recovery device introduces gas from the outside to a kiln body through the arrangement of the gas inlet pipe and the first suction fan, provides oxygen required by combustion for the interior of the kiln body, combusts through the spray gun, the air entering the kiln body is divided into a plurality of sections through the arrangement of the heat exchange vent pipe, so that the air is more uniformly distributed in the kiln body, the combustion efficiency is higher, through the arrangement of the air outlet pipe, the high-temperature smoke after internal combustion enters the air outlet pipe, and the smoke is subjected to double filtration through two layers of filter screens, the smoke is cleaner, because the air outlet pipe penetrates through the air inlet pipe, the smoke inside also passes through the heat exchange breather pipe, the heat is transferred under the action of the heat exchange vent pipe and the heat conducting foil, so that the external gas can be preheated when passing through the heat exchange vent pipe, the heat of the flue gas is effectively recovered and utilized, and the purposes of energy conservation and environmental protection are achieved.

Description

Kiln heat recovery device

Technical Field

The utility model relates to a cellar for storing things stove technical field specifically is a kiln heat reclamation device.

Background

The kiln or furnace is a furnace for firing ceramic articles and sculptures or fusing enamel on the surface of metal articles, and is generally constructed with bricks and stones, and can be made in various sizes according to the need, and can be operated by using combustible gas, oil or electricity.

Various kilns on the market at present generally have the defect of not being energy-saving and environment-friendly, when the interior of a general kiln is combusted, a large amount of smoke is discharged to the outside, the smoke is waste gas generated after combustion and has higher temperature, however, the heat is discharged without being utilized, and the discharged smoke can pollute the air, so that the kiln heat recovery device is provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To prior art not enough, the utility model provides a kiln heat reclamation device possesses advantages such as energy-concerving and environment-protective, has solved general kiln inside when burning, can discharge a large amount of flue gases to the external world usually, and these flue gases are the waste gas that produces after the burning, and possess higher temperature, however these heats are not utilized and just are discharged, and exhaust flue gas still can cause the problem of pollution to the air.

(II) technical scheme

In order to realize the above-mentioned energy-concerving and environment-protective purpose, the utility model provides a following technical scheme: a kiln heat recovery device comprises a kiln body, wherein an air inlet pipe is fixedly arranged at the left side of the kiln body, a first air suction machine is fixedly arranged inside the air inlet pipe, a heat exchange breather pipe is fixedly arranged inside the air inlet pipe and positioned at the right side of the first air suction machine, a heat conduction foil is fixedly arranged at the outer side of the heat exchange breather pipe, a spray gun is fixedly arranged at the bottom wall of an inner cavity of the kiln body, an air outlet pipe is fixedly arranged at the right side of the top of the kiln body, two pipeline supports are fixedly arranged at the bottom of the air outlet pipe, two filter screens are fixedly arranged inside the air outlet pipe, a collection box is fixedly arranged at the bottom of the air outlet pipe and positioned at the right side of the filter screens, one end, away from the kiln body, of the air outlet pipe penetrates through the top of the air inlet pipe and extends, the utility model discloses a heat pipe, including the air-out pipe, the inside fixed mounting who goes out the outside of tuber pipe and be located the water tank has the heat pipe, the inside packing of heat pipe has heat-conducting medium, the outside fixed mounting of heat pipe has heat conduction fin, the inside fixed mounting who goes out the tuber pipe and be located the water tank has a fender stream board, the left side fixed mounting of water tank has the blast pipe, the inside fixed mounting of blast pipe has the active carbon adsorption layer, the top of blast pipe and the top fixed mounting who is located the active carbon adsorption layer have the second suction fan.

Preferably, the number of the heat exchange breather pipes is twelve, and the heat exchange breather pipes are cylinders which are hollow inside and have two missing surfaces.

Preferably, the kiln body is a hollow cuboid, the collection box is located above the kiln body, and the collection box is communicated with the air outlet pipe.

Preferably, the heat exchange breather pipe is a copper pipe, and two heat conduction foils are fixedly mounted on the outer side of each heat exchange breather pipe.

Preferably, the number of the heat pipes is five, the five heat pipes are uniformly distributed on the outer side of the air pipe, and the heat-conducting medium is acetone solution.

Preferably, the number of the flow baffle plates is five, the five flow baffle plates are uniformly distributed on the top wall and the bottom wall of the inner cavity of the air outlet pipe, and the diameter of the air outlet pipe is smaller than that of the air outlet pipe.

(III) advantageous effects

Compared with the prior art, the utility model provides a kiln heat recovery unit possesses following beneficial effect:

1. the kiln heat recovery device introduces gas from the outside to a kiln body through the arrangement of the gas inlet pipe and the first suction fan, provides oxygen required by combustion for the interior of the kiln body, combusts through the spray gun, the air entering the kiln body is divided into a plurality of sections through the arrangement of the heat exchange vent pipe, so that the air is more uniformly distributed in the kiln body, the combustion efficiency is higher, through the arrangement of the air outlet pipe, the high-temperature smoke after internal combustion enters the air outlet pipe, and the smoke is subjected to double filtration through two layers of filter screens, the smoke is cleaner, because the air outlet pipe penetrates through the air inlet pipe, the smoke inside also passes through the heat exchange breather pipe, the heat is transferred under the action of the heat exchange vent pipe and the heat conducting foil, so that the external gas can be preheated when passing through the heat exchange vent pipe, the heat of the flue gas is effectively recovered and utilized, and the purposes of energy conservation and environmental protection are achieved.

2. This kiln heat recovery unit, setting through the water tank, make the tuber pipe pass the water tank, and through the setting of heat pipe, absorb the waste heat of the inside flue gas of tuber pipe, heat-conducting medium is heated the vaporization and takes away a large amount of heats, and liquefy a large amount of heats of release on the top of heat pipe, make the water in the water tank heat up fast, thereby retrieve the waste heat of flue gas and utilize on cold water heating, and through the setting of heat conduction fin, heat transfer area has been increased, and through the setting of baffling the board, the flue gas velocity of flow has been slowed down, the diameter of blast pipe is less than the diameter of tuber pipe, the flue gas velocity of flow has also been reduced, make the time of heat conduction longer, make the heat fully absorbed, the peculiar smell in the flue gas adsorbs through the setting of active carbon adsorption layer at last, discharge gas by the second suction fan, the.

Drawings

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

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

fig. 3 is a right side view of the intake pipe of the present invention.

In the figure: the device comprises a kiln body 1, an air inlet pipe 2, a first suction fan 3, a heat exchange vent pipe 4, a heat conduction foil 5, a spray gun 6, an air outlet pipe 7, a pipeline bracket 8, a filter screen 9, a collecting box 10, a water tank 11, a heat pipe 12, a heat conduction medium 13, a heat conduction fin 14, a flow baffle 15, an air outlet pipe 16, an active carbon adsorption layer 17 and a second suction fan 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, 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. 1-3, a kiln heat recovery device comprises a kiln body 1, an air inlet pipe 2 is fixedly installed on the left side of the kiln body 1, a first suction fan 3 is fixedly installed inside the air inlet pipe 2, heat exchange vent pipes 4 are fixedly installed inside the air inlet pipe 2 and on the right side of the first suction fan 3, the number of the heat exchange vent pipes 4 is twelve, the heat exchange vent pipes 4 are cylinders which are hollow and have two missing sides, heat conducting foils 5 are fixedly installed on the outer sides of the heat exchange vent pipes 4, the heat exchange vent pipes 4 are copper pipes, copper is a metal with a front thermal conductivity rank and can accelerate heat exchange between flue gas and the heat exchange vent pipes 4, two heat conducting foils 5 are fixedly installed on the outer sides of each heat exchange vent pipe 4, a spray gun 6 is fixedly installed on the bottom wall of an inner cavity of the kiln body 1, an air outlet pipe 7 is fixedly installed on the right side of the top of the kiln, the inside of the air outlet pipe 7 is fixedly provided with two filter screens 9, through the arrangement of the air inlet pipe 2 and the first air suction fan 3, gas is led into the kiln body 1 from the outside, oxygen required by combustion is provided for the inside of the kiln body 1, combustion is carried out through the spray gun 6, the air entering the kiln body 1 is divided into a plurality of sections through the arrangement of the heat exchange vent pipe 4, the air is more uniformly distributed in the kiln body 1, the combustion efficiency is higher, through the arrangement of the air outlet pipe 7, high-temperature smoke after internal combustion enters the air outlet pipe 7, and double filtration is carried out on smoke through the two layers of filter screens 9, so that the smoke is cleaner, because the air outlet pipe 7 penetrates through the air inlet pipe 2, the internal smoke also passes through the heat exchange vent pipe 4, heat is transferred under the action of the heat exchange vent pipe 4 and the heat conducting foil 5, and the outside gas can be, the heat of the flue gas is effectively recovered and utilized, the purposes of energy saving and environmental protection are achieved, a collecting box 10 is fixedly arranged at the bottom of an air outlet pipe 7 and positioned on the right side of a filter screen 9, a kiln body 1 is a cuboid with a hollow interior, the collecting box 10 is positioned above the kiln body 1, the collecting box 10 is communicated with the air outlet pipe 7, one end, far away from the kiln body 1, of the air outlet pipe 7 penetrates through the top of an air inlet pipe 2 and extends to the bottom of the air inlet pipe 2, a water tank 11 is fixedly arranged at one end, far away from the kiln body 1, of the air outlet pipe 7, heat pipes 12 are fixedly arranged on the outer side of the air outlet pipe 7 and positioned inside the water tank 11, heat conducting media 13 are filled inside the heat pipes 12, the number of the heat pipes 12 is five, the five heat pipes 12 are uniformly distributed on the outer side of the air pipe 7, the heat conducting media, the heat conduction fins 14 are fixedly installed on the outer sides of the heat pipes 12, flow baffle plates 15 are fixedly installed inside the air outlet pipe 7 and inside the water tank 11, an exhaust pipe 16 is fixedly installed on the left side of the water tank 11, the number of the flow baffle plates 15 is five, the five flow baffle plates 15 are uniformly distributed on the top wall and the bottom wall of the inner cavity of the air outlet pipe 7, the diameter of the exhaust pipe 16 is smaller than that of the air outlet pipe 7, an activated carbon adsorption layer 17 is fixedly installed inside the exhaust pipe 16, a second suction fan 18 is fixedly installed on the top of the exhaust pipe 16 and on the top of the activated carbon adsorption layer 17, the types of the first suction fan 3 and the second suction fan 18 can be RT-H21, the air outlet pipe 7 penetrates through the water tank 11 through the arrangement of the water tank 11, the heat pipes 12 are arranged to absorb the residual heat of the flue gas inside the air outlet pipe 7, the heat conduction medium 13 is heated, make the water in the water tank 11 heat up fast, thereby with the waste heat recovery of flue gas and utilize on cold water heating, and through the setting of heat conduction fin 14, heat transfer area has been increased, and through the setting of baffling board 15, the flue gas velocity of flow has been slowed down, the diameter of blast pipe 16 is less than the diameter of tuber pipe 7, the flue gas velocity of flow has also been reduced, make the time of heat conduction longer, make the heat fully absorbed, the peculiar smell in the flue gas is adsorbed through the setting of active carbon adsorption layer 17 at last, discharge gas by second suction fan 18, energy-concerving and environment-protective purpose has been reached.

When the kiln is used, high-temperature flue gas passes through the heat exchange ventilation pipe 4 through the air outlet pipe 7 to carry out heat transfer on the high-temperature flue gas, so that gas in the heat exchange ventilation pipe 4 is preheated before entering the kiln body 1, the residual heat of the flue gas is absorbed by cold water in the water tank 11, the heat of the flue gas is recycled again, the flue gas is filtered by the filter screen 9 in the air outlet pipe 7 and adsorbed by peculiar smell of the active carbon adsorption layer 17, the purification effect is achieved, and the purposes of energy conservation and environmental protection are achieved.

To sum up, the kiln heat recovery device introduces gas from the outside to the kiln body 1 through the arrangement of the air inlet pipe 2 and the first air suction fan 3, provides oxygen required by combustion for the inside of the kiln body 1, performs combustion through the spray gun 6, divides the air entering the kiln body 1 into a plurality of sections through the arrangement of the heat exchange vent pipe 4, enables the air to be distributed more uniformly inside the kiln body 1, enables the combustion efficiency to be higher, enables the high-temperature flue gas after internal combustion to enter the air outlet pipe 7 through the arrangement of the air outlet pipe 7, and performs double filtration on the smoke through the two-layer filter screen 9, enables the flue gas to be cleaner, because the air outlet pipe 7 penetrates through the air inlet pipe 2, the internal flue gas also passes through the heat exchange vent pipe 4, transfers heat under the action of the heat exchange vent pipe 4 and the heat conducting foil 5, enables the outside gas to be preheated when passing through the heat exchange vent pipe 4, effectively, the purposes of energy conservation and environmental protection are achieved.

Moreover, through the arrangement of the water tank 11, the air outlet pipe 7 penetrates through the water tank 11, and through the arrangement of the heat pipe 12, the waste heat of the flue gas in the air outlet pipe 7 is absorbed, the heat-conducting medium 13 is heated and vaporized to take away a large amount of heat, and is liquefied at the top end of the heat pipe 12 to release a large amount of heat, so that the water in the water tank 11 is rapidly heated, the waste heat of the flue gas is recovered and utilized for heating cold water, through the arrangement of the heat-conducting fins 14, the heat-conducting area is increased, through the arrangement of the baffle plate 15, the flue gas flow rate is slowed down, the diameter of the exhaust pipe 16 is smaller than that of the air outlet pipe 7, the flue gas flow rate is also reduced, so that the heat-conducting time is longer, the heat is fully absorbed, finally, through the arrangement of the activated carbon adsorption layer 17, the peculiar smell in the flue gas is adsorbed, the gas is exhausted by the second, usually, a large amount of flue gas is discharged to the outside, the flue gas is waste gas generated after combustion and has a high temperature, however, the heat is discharged without being utilized, and the discharged flue gas also causes a problem of pollution to air.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A kiln heat recovery device comprises a kiln body (1), and is characterized in that: the left side fixed mounting of the kiln body (1) has intake pipe (2), the inside fixed mounting of intake pipe (2) has first suction fan (3), the inside of intake pipe (2) and the right side fixed mounting that is located first suction fan (3) have heat transfer breather pipe (4), the outside fixed mounting of heat transfer breather pipe (4) has heat conduction foil (5), the diapire fixed mounting of the kiln body (1) inner chamber has spray gun (6), the right side fixed mounting at the kiln body (1) top has air-out pipe (7), the bottom fixed mounting that goes out air pipe (7) has quantity to be two pipe support (8), the inside fixed mounting that goes out air pipe (7) has quantity to be two filter screen (9), the bottom that goes out air pipe (7) and the right side fixed mounting that is located filter screen (9) has collecting box (10), the one end that goes out air pipe (7) and keep away from kiln body (1) runs through the top of intake pipe (2) and extends to intake (2) The bottom of, the one end fixed mounting who keeps away from the kiln body (1) of play tuber pipe (7) has water tank (11), the inside fixed mounting who goes out the outside of tuber pipe (7) and be located water tank (11) has heat pipe (12), the inside packing of heat pipe (12) has heat-conducting medium (13), the outside fixed mounting of heat pipe (12) has heat-conducting fin (14), the inside fixed mounting who goes out tuber pipe (7) and be located water tank (11) has fender stream board (15), the left side fixed mounting of water tank (11) has blast pipe (16), the inside fixed mounting of blast pipe (16) has active carbon adsorption layer (17), the top fixed mounting that just is located active carbon adsorption layer (17) of blast pipe (16) has second suction fan (18).

2. A kiln heat recovery device according to claim 1, characterized in that: the number of the heat exchange ventilation pipes (4) is twelve, and the heat exchange ventilation pipes (4) are cylinders which are hollow inside and have two missing surfaces.

3. A kiln heat recovery device according to claim 1, characterized in that: the kiln body (1) is a hollow cuboid, the collecting box (10) is located above the kiln body (1), and the collecting box (10) is communicated with the air outlet pipe (7).

4. A kiln heat recovery device according to claim 1, characterized in that: the heat exchange ventilation pipes (4) are copper pipes, and two heat conduction foils (5) are fixedly mounted on the outer side of each heat exchange ventilation pipe (4).

5. A kiln heat recovery device according to claim 1, characterized in that: the heat pipe heat dissipation device is characterized in that the number of the heat pipes (12) is five, the five heat pipes (12) are uniformly distributed on the outer side of the air pipe (7), and the heat-conducting medium (13) is acetone solution.

6. A kiln heat recovery device according to claim 1, characterized in that: the number of the flow blocking plates (15) is five, the flow blocking plates (15) are uniformly distributed on the top wall and the bottom wall of the inner cavity of the air outlet pipe (7), and the diameter of the exhaust pipe (16) is smaller than that of the air outlet pipe (7).