CN113701537A

CN113701537A - Heat storage device special for industrial furnace and kiln for strengthening heat exchange

Info

Publication number: CN113701537A
Application number: CN202110985122.0A
Authority: CN
Inventors: 满毅
Original assignee: Nanjing Vocational University of Industry Technology NUIT
Current assignee: Nanjing Vocational University of Industry Technology NUIT
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2021-11-26

Abstract

The invention discloses a heat storage device special for an industrial furnace for enhancing heat exchange, which relates to the technical field of industrial equipment and comprises a shell, wherein the left side surface and the right side surface of the shell are fixedly connected with a heat through pipe in a penetrating way, a water pump is arranged below the heat through pipe, the right side surface of the water pump is fixedly connected with a first connecting pipe, the right side of the upper surface of the first connecting pipe is fixedly connected with a second connecting pipe, the upper surface of the second connecting pipe is fixedly connected with a first heat exchange pipe, the left opening of the first heat exchange pipe is fixedly connected with a third connecting pipe, the rear side of the third connecting pipe is provided with a fourth connecting pipe, the lower opening of the fourth connecting pipe is fixedly connected with a second heat exchange pipe, the left opening of the second heat exchange pipe is fixedly connected with a fifth connecting pipe, and the rear side of the fifth connecting pipe is provided with a sixth connecting pipe, so that the temperature difference between the liquid in the heat exchange pipe and the outer wall of the through pipe is gradually reduced due to the gradual temperature absorption of the liquid in the heat exchange pipe in the heat exchange process of the heat exchange pipe in the contact with the through pipe, the heat exchange efficiency is lower and lower, and the effect is not good enough.

Description

Heat storage device special for industrial furnace and kiln for strengthening heat exchange

Technical Field

The invention relates to the technical field of industrial equipment, in particular to a heat storage device special for an industrial furnace for enhancing heat exchange.

Background

The creation and development of industrial kilns play an important role in human progress. In China, relatively perfect copper smelting kilns appear in the generations, the temperature of the kilns reaches 1200 ℃, the inner diameter of the kilns reaches 0.8 m, waste gas is generated when the industrial kilns work, the heat contained in the waste gas can be dissipated in the air, and if the waste gas cannot be effectively utilized, the heat can be lost, so that resources are wasted, and therefore the heat storage device special for the industrial kilns is adopted.

According to "a special heat accumulation device of industrial furnace kiln" that chinese patent grant publication No. CN 210464086U provided, through setting up the heat exchange tube, the heat exchange tube is the screw thread form, the area of contact of heat exchange tube and siphunculus has been increased, and the equal fixedly connected with water pipe in both ends of heat exchange tube, utilize water piping connection's water pump, follow liquid, thereby can carry out abundant heat transfer to the liquid in the heat exchange tube, however its heat exchange tube carries out the in-process of heat transfer at the contact siphunculus, liquid heat absorption in the heat exchange tube risees gradually and leads to diminishing gradually with siphunculus outer wall difference in temperature, heat exchange efficiency is lower and lower, the effect is not good enough.

Disclosure of Invention

The invention aims to provide a heat storage device special for an industrial furnace for enhancing heat exchange, which solves the technical problems that in the process of heat exchange of a heat exchange tube in contact with a through tube, the temperature difference between the heat exchange tube and the outer wall of the through tube is gradually reduced due to gradual temperature rise of liquid in the heat exchange tube after absorbing heat, the heat exchange efficiency is lower and lower, and the effect is not good enough.

In order to achieve the purpose, the invention provides the following technical scheme: a heat storage device special for an industrial furnace for enhancing heat exchange comprises a shell, wherein a heat exchange tube is fixedly connected to the left side surface and the right side surface of the shell in a penetrating manner, a water pump is arranged below the heat exchange tube, a first connecting tube is fixedly connected to the right side surface of the water pump, a second connecting tube is fixedly connected to the right side surface of the first connecting tube, a first heat exchange tube is fixedly connected to the upper surface of the second connecting tube, a third connecting tube is fixedly connected to the left opening of the first heat exchange tube, a fourth connecting tube is arranged on the rear side of the third connecting tube, a second heat exchange tube is fixedly connected to the lower opening of the fourth connecting tube, a fifth connecting tube is fixedly connected to the left opening of the second heat exchange tube, a sixth connecting tube is arranged on the rear side of the fifth connecting tube, a seventh connecting tube is fixedly connected to the lower opening of the sixth connecting tube, an eighth connecting tube is fixedly connected to the left opening of the seventh connecting tube, the lower end of the connecting pipe eighth is fixedly connected with a connecting pipe ninth, the right side surface of the connecting pipe ninth is fixedly connected with the left side surface of the water pump, the upper ends of the connecting pipe III and the connecting pipe V are respectively provided with a heat conducting block, the left side surface and the right side surface of the heat conducting block are respectively fixedly connected with a heat conducting plate, the side surface of the heat conducting plate, which is far away from the heat conducting block, is fixedly connected with a radiating fin, a water groove is arranged in the heat conducting block, the lower surface water groove opening of the left side heat conducting block is fixedly connected with the upper surface of the connecting pipe V, the upper surface water groove opening of the left side heat conducting block is fixedly connected with the upper opening of the connecting pipe VI, the lower surface water groove opening of the right side heat conducting block is fixedly connected with the upper surface of the connecting pipe III, the upper surface water groove opening of the right side heat conducting block is fixedly connected with the upper opening of the connecting pipe IV, the front side surface of the heat conducting block is fixedly connected with the inner wall of the shell, the lower ends of the second connecting pipe and the eighth connecting pipe all penetrate through the lower surface of the fixedly connected shell, the inner walls of the first heat exchange pipe, the second heat exchange pipe and the seventh connecting pipe are all fixedly connected with the outer wall of the heat exchange pipe in a spiral mode, fan blades are arranged above the heat conducting block, and air holes are formed in the lower surface of the shell.

Preferably, the last fixed surface of shell is connected with the upper cover plate, the upper surface of upper cover plate runs through and has seted up the opening and at opening inner wall fixedly connected with net, the last fixed surface of upper cover plate is connected with the backup pad, the side runs through fixedly connected with bracing piece about the backup pad, the equal fixedly connected with motor in side about the bracing piece, the upper surface center department of the fixed surface connection flabellum under the pivot of motor, the pivot lower extreme of motor runs through the upper surface of rotating connection upper cover plate.

Preferably, the upper surface of the upper cover plate is fixedly connected with a housing, and the center of the upper surface of the housing is fixedly connected with a heat-discharging pipe.

Preferably, the front side surface of the shell is provided with a through hole in a penetrating way, and the inner wall of the through hole is rotatably connected with a side plate through a spring shaft.

Preferably, the four corners of the lower surface of the shell are fixedly connected with supporting columns, the lower surfaces of the supporting columns are fixedly connected with a bottom plate, and the lower surface of the water pump is fixedly connected with the upper surface of the bottom plate.

Preferably, the water tank is shaped like an S.

Preferably, the inner wall of the heat exhaust pipe is fixedly connected with a dust screen.

Compared with the prior art, the heat storage device special for the industrial furnace and kiln for enhancing heat exchange has the following beneficial effects:

the invention provides a heat storage device special for an industrial furnace for enhancing heat exchange, which is characterized in that a heat conducting block is arranged at an interval, so that absorbed heat can be timely dissipated by cooling liquid in the heat exchange process, the problem of poor heat absorption effect caused by temperature rise after heat absorption of the cooling liquid is avoided, and the technical problems of gradually reduced temperature difference with the outer wall of a through pipe, lower heat exchange efficiency and insufficient effect caused by gradual temperature rise of the liquid in the heat exchange pipe due to heat absorption of the liquid in the heat exchange pipe in the process of heat exchange of the heat exchange pipe in contact with the through pipe are solved.

The invention provides a heat storage device special for an industrial furnace and kiln, which can enhance heat exchange, wherein the heat storage device is provided with fan blades and a heat conducting block, heat emitted by the outer wall of a heat through pipe is finally extracted upwards by the fan blades while heat emitted by a heat radiating fin is extracted, outside air enters through a vent hole in the lower surface of a shell, and heat exchanged by cooling liquid and heat emitted by the heat through pipe are uniformly discharged from the upper part, so that the heat storage device is convenient to recycle.

The invention provides a heat storage device special for an industrial furnace for enhancing heat exchange, which is characterized in that a heat conduction block and fan blades are arranged, so that sucked heat can be discharged in time by cooling liquid in a flowing heat exchange process, the heat dissipation and cooling of the heat storage device can be completed on the basis of improving the heat exchange efficiency, a cooling device does not need to be arranged on a cooling liquid pipeline independently, the number of devices is reduced, and the cost is saved.

Drawings

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

FIG. 2 is a disassembled view of the upper structure of the present invention;

FIG. 3 is a schematic view of the inner wall structure of the housing of the present invention;

FIG. 4 is a disassembled view of the inner wall structure of the housing of the present invention;

FIG. 5 is a schematic view of the internal structure of the housing of the present invention;

FIG. 6 is a disassembled view of the heat-conducting block of the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 2 according to the present invention.

In the figure: 1. the heat exchanger comprises a shell, 2, a heat conduction pipe, 3, a water pump, 4, a first connecting pipe, 5, a second connecting pipe, 6, a first heat exchange pipe, 7, a third connecting pipe, 8, a fourth connecting pipe, 9, a second heat exchange pipe, 10, a fifth connecting pipe, 11, a sixth connecting pipe, 12, a seventh connecting pipe, 13, an eighth connecting pipe, 14, a ninth connecting pipe, 15, a heat conducting block, 16, a heat conducting plate, 17, a radiating fin, 18, a water tank, 19, a fixed block, 20, an upper cover plate, 21, a grid, 22, a supporting plate, 23, a supporting rod, 24, a motor, 25, fan blades, 26, a housing, 27, a heat discharge pipe, 28, a side plate, 29, a supporting column, 30 and a bottom plate.

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; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 2 to 7, the present invention provides a technical solution, which includes a housing 1, a heat pipe 2 is fixedly connected to the left and right side surfaces of the housing 1 in a penetrating manner, a water pump 3 is disposed below the heat pipe 2, a first connection pipe 4 is fixedly connected to the right side surface of the water pump 3, a second connection pipe 5 is fixedly connected to the right side surface of the first connection pipe 4, a first heat exchange pipe 6 is fixedly connected to the upper surface of the second connection pipe 5, a third connection pipe 7 is fixedly connected to the left opening of the first heat exchange pipe 6, a fourth connection pipe 8 is disposed at the rear side of the third connection pipe 7, a second heat exchange pipe 9 is fixedly connected to the lower opening of the fourth connection pipe 8, a fifth connection pipe 10 is fixedly connected to the left opening of the second heat exchange pipe 9, a sixth connection pipe 11 is disposed at the rear side of the fifth connection pipe 10, a seventh connection pipe 12 is fixedly connected to the lower opening of the sixth connection pipe 11, and an eighth connection pipe 13 is fixedly connected to the left opening of the seventh connection pipe 12, the lower end of the connecting pipe eight 13 is fixedly connected with a connecting pipe nine 14, the right side surface of the connecting pipe nine 14 is fixedly connected with the left side surface of the water pump 3, the upper ends of the connecting pipe three 7 and the connecting pipe five 10 are respectively provided with a heat conducting block 15, the left side surface and the right side surface of the heat conducting block 15 are respectively fixedly connected with a heat conducting plate 16, the side surface of the heat conducting plate 16 departing from the heat conducting block 15 is fixedly connected with a radiating fin 17, the inside of the heat conducting block 15 is provided with a water groove 18, the lower surface water groove 18 opening of the left side heat conducting block 15 is fixedly connected with the upper surface of the connecting pipe five 10, the upper surface water groove 18 opening of the left side heat conducting block 15 is fixedly connected with the upper opening of the connecting pipe six 11, the lower surface water groove 18 opening of the right side heat conducting block 15 is fixedly connected with the upper surface of the connecting pipe three 7, the upper surface water groove 18 opening of the right side heat conducting block 15 is fixedly connected with the upper opening of the connecting pipe four 8, and the front side surface of the heat conducting block 15 is fixedly connected with a fixing block 19, the front side surface of the fixed block 19 is fixedly connected with the inner wall of the shell 1, the lower ends of the connecting pipe two 5 and the connecting pipe eight 13 penetrate through the lower surface of the fixedly connected shell 1, the inner walls of the heat exchange pipe one 6, the heat exchange pipe two 9 and the connecting pipe seven 12 are spirally and fixedly connected with the outer wall of the heat exchange pipe 2, the fan blade 25 is arranged above the heat conducting block 15, the lower surface of the shell 1 is provided with an air vent, the upper surface of the shell 1 is fixedly connected with an upper cover plate 20, the upper surface of the upper cover plate 20 penetrates through an opening and is fixedly connected with a grid 21 on the inner wall of the opening, the upper surface of the upper cover plate 20 is fixedly connected with a supporting plate 22, the left side surface and the right side surface of the supporting plate 22 penetrate through and are fixedly connected with a supporting rod 23, the left side surface and the right side surface of the supporting rod 23 are fixedly connected with a motor 24, the lower surface of the rotating shaft of the motor 24 is fixedly connected with the center of the upper surface of the fan blade 25, the lower end of the rotating shaft of the upper cover plate 20, the water tank 18 is shaped like an S.

In this embodiment: connecting the right end of a heat through pipe 2 to corresponding industrial furnace cellar equipment, discharging hot waste gas to the left end of the heat through pipe 2, connecting the left end of the heat through pipe 2 to waste gas treatment equipment, starting a water pump 3 to drive a coolant to flow, enabling the coolant to flow into a first heat exchange pipe 6 along a first connecting pipe 4 and a second connecting pipe 5, enabling the inner wall of the first heat exchange pipe 6 to be spirally attached to the outer wall of the heat through pipe 2, conducting heat to the coolant in the first heat exchange pipe 6 through the heat through pipe 2 when the hot waste gas in the heat through pipe 2 flows so as to exchange heat, spirally arranging the first heat exchange pipe 6 to increase the contact area with the heat through pipe 2 and increase the heat exchange time, along with the heat exchange, when the coolant flows to the left end opening of the first heat exchange pipe 6, the coolant is raised to a certain degree, then the coolant flows into a heat conducting block 15 through a third connecting pipe 7 and flows along the inner wall of a water tank 18, then the heat of the coolant is conducted to a heat radiating fin 17 through a heat conducting plate 16, then the cooling liquid is emitted into the air from the heat radiating fins 17 and is pumped out by the fan blades 25 above, the water tank 18 is S-shaped, the flowing time of the cooling liquid in the heat conducting block 15 is prolonged, the heat exchange effect is improved, the heat conducting plates 16 and the heat radiating fins 17 are arranged on the left side and the right side of the heat conducting block 15, so that the cooling liquid can exchange heat on two sides simultaneously, the heat exchange effect is further improved, the cooling liquid with the temperature reduced flows into the heat exchange tube II 9 from the connecting tube IV 8 and then flows into the heat conducting block 15 on the left side from the connecting tube V10, the heat exchange flow is the same as before, then flows into the connecting tube VII 12 through the connecting tube VI 11 and then flows into the water pump 3 through the connecting tube VIII 13 and the connecting tube VII 14, the water circulation is completed, the heat conducting block 15 is arranged, so that the cooling liquid can timely dissipate the absorbed heat in the heat exchange process, the problem of poor heat absorption effect caused by the temperature rise after the heat absorption of the cooling liquid is solved, the heat exchange tube is in the process of contacting with the through tube, liquid heat absorption in the heat exchange tube rises gradually and leads to diminishing with the siphunculus outer wall difference in temperature gradually, heat exchange efficiency is more and more low, the not enough technical problem of effect, through setting up flabellum 25 and heat conduction piece 15, when taking out the heat that gives off on fin 17, the heat that gives off of 2 outer walls of logical heat pipe self also finally can be taken out by flabellum 25 upwards, the air vent that the external air passes through the shell 1 lower surface gets into, the heat of coolant liquid heat transfer and the heat that leads to 2 self of heat pipe to give off are unified to be discharged from the top, in the time of convenient recycle, need not set up cooling device alone on coolant liquid pipeline, the reducing means, and the cost is saved.

Example two:

referring to fig. 1 and fig. 5, on the basis of the first embodiment, the present invention provides a technical solution: upper cover plate 20's last fixed surface is connected with housing 26, housing 26's upper surface center fixedly connected with heat extraction pipe 27, and the leading flank of shell 1 runs through and has seted up the opening and rotate through the spring shaft at the opening inner wall and be connected with curb plate 28, the equal fixedly connected with support column 29 in lower surface four corners of shell 1, the lower fixed surface of support column 29 is connected with bottom plate 30, the upper surface of water pump 3's lower fixed surface connection bottom plate 30, the inner wall fixedly connected with dust screen of heat extraction pipe 27.

In this embodiment: cover 26 covers on upper cover plate 20, the heat extraction pipe 27 upper shed connects on heat recovery unit, the exhaust heat is all arranged to recovery unit from heat extraction pipe 27, the recycle of being convenient for, the dust screen of heat extraction pipe 27 blocks in the dust falls into cover 26 when the device does not use, when the device needs regularly to be maintained, rotate curb plate 28 with shell 1 front side opening open, then to shell 1 inner structure maintain can, convenient maintenance, it is more convenient to use.

The working principle is as follows: connecting the right end of a heat through pipe 2 to corresponding industrial furnace cellar equipment, discharging hot waste gas to the left end of the heat through pipe 2, connecting the left end of the heat through pipe 2 to waste gas treatment equipment, starting a water pump 3 to drive a coolant to flow, enabling the coolant to flow into a first heat exchange pipe 6 along a first connecting pipe 4 and a second connecting pipe 5, enabling the inner wall of the first heat exchange pipe 6 to be spirally attached to the outer wall of the heat through pipe 2, conducting heat to the coolant in the first heat exchange pipe 6 through the heat through pipe 2 when the hot waste gas in the heat through pipe 2 flows so as to exchange heat, spirally arranging the first heat exchange pipe 6 to increase the contact area with the heat through pipe 2 and increase the heat exchange time, along with the heat exchange, when the coolant flows to the left end opening of the first heat exchange pipe 6, the coolant is raised to a certain degree, then the coolant flows into a heat conducting block 15 through a third connecting pipe 7 and flows along the inner wall of a water tank 18, then the heat of the coolant is conducted to a heat radiating fin 17 through a heat conducting plate 16, then the cooling liquid flows into the second heat exchange tube 9 from the fourth connecting tube 8, then flows into the left heat conducting block 15 from the fifth connecting tube 10, the heat exchange process is the same as before, then flows into the seventh connecting tube 12 through the sixth connecting tube 11, and then flows into the water pump 3 through the eighth connecting tube 13 and the ninth connecting tube 14, so as to complete water circulation, the cover 26 covers the upper cover plate 20, the upper opening of the heat exhaust tube 27 is connected to the heat recovery device, all the discharged heat is discharged to the recovery device from the heat exhaust tube 27, so that the heat is convenient to recycle, the dust screen of the heat exhaust tube 27 blocks dust from falling into the cover 26 when the device is not used, when the device needs to be regularly maintained, the side plate 28 is rotated to open the front side opening of the shell 1, and then the internal structure of the shell 1 is maintained.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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.

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. The utility model provides a special heat accumulation device of industrial furnace of reinforcing heat transfer, includes shell (1), its characterized in that: the heat exchanger is characterized in that a heat conduction pipe (2) penetrates through and is fixedly connected to the left side surface and the right side surface of the shell (1), a water pump (3) is arranged below the heat conduction pipe (2), a first connecting pipe (4) is fixedly connected to the right side surface of the water pump (3), a second connecting pipe (5) is fixedly connected to the right side surface of the upper surface of the first connecting pipe (4), a first heat exchange pipe (6) is fixedly connected to the upper surface of the second connecting pipe (5), a third connecting pipe (7) is fixedly connected to the left opening of the first heat exchange pipe (6), a fourth connecting pipe (8) is arranged on the rear side of the third connecting pipe (7), a second heat exchange pipe (9) is fixedly connected to the lower opening of the fourth connecting pipe (8), a fifth connecting pipe (10) is fixedly connected to the left opening of the second heat exchange pipe (9), a sixth connecting pipe (11) is arranged on the rear side of the fifth connecting pipe (10), and a seventh connecting pipe (12) is fixedly connected to the lower opening of the sixth connecting pipe (11), a connecting pipe eight (13) is fixedly connected to the left opening of the connecting pipe seven (12), a connecting pipe nine (14) is fixedly connected to the lower end of the connecting pipe eight (13), the left side surface of the connecting pipe nine (14) is fixedly connected to the left side surface of the water pump (3), heat-conducting blocks (15) are arranged at the upper ends of the connecting pipe three (7) and the connecting pipe five (10), heat-conducting plates (16) are fixedly connected to the left and right side surfaces of the heat-conducting blocks (15), heat-radiating fins (17) are fixedly connected to the side surfaces of the heat-conducting plates (16) deviating from the heat-conducting blocks (15), water grooves (18) are formed in the heat-conducting blocks (15), the lower surface water groove (18) opening of the left heat-conducting block (15) is fixedly connected to the upper surface of the connecting pipe five (10), the upper surface water groove (18) opening of the left heat-conducting block (15) is fixedly connected to the upper opening of the connecting pipe six (11), the right side the upper surface of the third connecting pipe (7) of lower surface basin (18) opening part fixed connection of heat conduction piece (15), the right side the upper surface of the fourth connecting pipe (8) of upper surface basin (18) opening part fixed connection of heat conduction piece (15), the leading flank fixedly connected with fixed block (19) of heat conduction piece (15), the inner wall of the leading flank fixed connection shell (1) of fixed block (19), the lower extreme of connecting pipe two (5) and connecting pipe eight (13) all runs through the lower surface of fixed connection shell (1), the outer wall of the equal spiral fixed connection of inner wall of heat exchange tube one (6), heat exchange tube two (9) and connecting pipe seven (12) leads to heat pipe (2), the top of heat conduction piece (15) is provided with flabellum (25), the air vent has been seted up to the lower surface of shell (1).

2. The heat storage device special for the industrial furnace and kiln for enhancing heat exchange as claimed in claim 1, wherein: the last fixed surface of shell (1) is connected with upper cover plate (20), the upper surface of upper cover plate (20) runs through and has seted up the opening and at opening inner wall fixedly connected with net (21), the last fixed surface of upper cover plate (20) is connected with backup pad (22), fixedly connected with bracing piece (23) is run through to the side about backup pad (22), the equal fixedly connected with motor (24) in side about bracing piece (23), the upper surface center department of the pivot lower fixed surface of motor (24) connection flabellum (25), the pivot lower extreme of motor (24) runs through the rotation and connects the upper surface of upper cover plate (20).

3. The heat storage device special for the industrial furnace and kiln for enhancing heat exchange as claimed in claim 2, wherein: the upper surface of the upper cover plate (20) is fixedly connected with a cover shell (26), and the center of the upper surface of the cover shell (26) is fixedly connected with a heat exhaust pipe (27).

4. The heat storage device special for the industrial furnace and kiln for enhancing heat exchange as claimed in claim 1, wherein: the front side of the shell (1) is provided with a through opening in a penetrating way, and the inner wall of the through opening is rotatably connected with a side plate (28) through a spring shaft.

5. The heat storage device special for the industrial furnace and kiln for enhancing heat exchange as claimed in claim 1, wherein: the equal fixedly connected with support column (29) in lower surface four corners of shell (1), the lower fixed surface of support column (29) is connected with bottom plate (30), the upper surface of the lower fixed surface of water pump (3) connection bottom plate (30).

6. The heat storage device special for the industrial furnace and kiln for enhancing heat exchange as claimed in claim 1, wherein: the water tank (18) is S-shaped.

7. The heat storage device special for the industrial furnace and kiln for enhancing heat exchange as claimed in claim 3, wherein: the inner wall of the heat exhaust pipe (27) is fixedly connected with a dust screen.