CN218329356U

CN218329356U - Calcining furnace kiln waste heat collecting and utilizing device

Info

Publication number: CN218329356U
Application number: CN202221819367.2U
Authority: CN
Inventors: 李春华; 连玉彬; 冯永林
Original assignee: Xinjiang Jingwei New Material Co Ltd
Current assignee: Xinjiang Jingwei New Material Co Ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2023-01-17
Anticipated expiration: 2032-07-15

Abstract

The utility model discloses a calcining kiln waste heat collection and utilization device, including waste heat collecting box and fan, the top fixedly connected with dust removal case of waste heat collecting box one side, fan fixed mounting is in one side of dust removal case. This calcining furnace kiln waste heat collection and utilization device is through being provided with the relief valve, the fixed plate, snakelike tuber pipe and heat transfer fin, when using, the inside of dust removal case is injected into with the high temperature flue gas to the fan, later get into inside the snakelike tuber pipe, the high temperature flue gas has the inside water heat transfer of sufficient time and waste heat collecting box at the inside mobile in-process of snakelike tuber pipe, and heat transfer fin's setting can increase the area of contact of snakelike tuber pipe and water, thereby effectively improve heat exchange efficiency, can guarantee like this that the flue gas waste heat fully collects the utilization, the safe operation of device can be guaranteed in the setting of relief valve, it is shorter that the heat transfer time of high temperature flue gas and water is solved, and heat exchange efficiency is lower, insufficient abundant problem is collected to the waste heat.

Description

Calcining furnace kiln waste heat collecting and utilizing device

Technical Field

The utility model relates to a calcining kiln waste heat collects technical field, specifically is a calcining kiln waste heat collects and utilizes device.

Background

The flue gas of the calcining furnace kiln is carried with a large amount of waste heat resources which are not fully recycled, so that the greenhouse effect is aggravated and a large amount of energy is wasted due to direct high-temperature discharge, and at the moment, the loss of heat energy can be reduced through the flue gas waste heat recovery equipment of the annealing furnace, but the heat exchange time of the high-temperature flue gas and water is short, the heat exchange efficiency is low, and the waste heat collection is insufficient; the dust removal function is not provided, so that dust is easily attached to the inner wall of the air pipe, and the heat exchange efficiency is influenced; the heat preservation effect is poor, so that a large amount of waste heat is naturally lost, and heat energy is wasted; aiming at the problems, the waste heat collecting and utilizing device of the calcining kiln is improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a calcining kiln waste heat collection utilizes device to the heat transfer time who proposes high temperature flue gas and water is shorter in solving above-mentioned background art, and heat exchange efficiency is lower, and insufficient problem is collected to the waste heat.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a calcining kiln waste heat collection utilizes device, includes waste heat collecting box and fan, the top fixedly connected with dust removal case of waste heat collecting box one side, fan fixed mounting is in one side of dust removal case, the bottom of waste heat collecting box one side is provided with the delivery port, the bottom of waste heat collecting box opposite side is provided with the water inlet, the inside fixedly connected with fixed plate of waste heat collecting box, the front end fixedly connected with snakelike tuber pipe of fixed plate, the outside fixedly connected with heat transfer fin of snakelike tuber pipe, the central point on waste heat collecting box top puts fixed mounting of department has the relief valve.

Preferably, one side of the snakelike air pipe runs through to the outside of the waste heat collecting box and is fixedly connected with a smoke exhaust port, and the other side of the snakelike air pipe is communicated with the inside of the dust removal box.

Preferably, one side of dust removal incasement portion is provided with the thread connection groove, one side of thread connection groove is provided with the filter core, one side fixedly connected with threaded connection head of filter core.

Preferably, the screw thread that mutually supports is provided with in the threaded connection groove in the threaded connection head outside, threaded connection head threaded connection is inside the threaded connection groove.

Preferably, the waste heat collecting box is internally provided with a liner body, and a cavity is arranged between the inner side wall of the waste heat collecting box and the outer side wall of the liner body.

Preferably, the cavity is filled with heat insulation materials, and the heat insulation materials are heat insulation rock wool.

Compared with the prior art, the beneficial effects of the utility model are that: the calcining furnace kiln waste heat collecting and utilizing device not only realizes that the heat exchange time of high-temperature flue gas and water is longer, but also has higher heat exchange efficiency, more sufficient waste heat collection, realizes the function of pre-dedusting, and the dust attached to the inner wall of the air pipe influences the heat exchange efficiency, and realizes better heat preservation effect, thereby greatly reducing the natural loss of the waste heat and saving the heat energy;

(1) Through the arrangement of the pressure release valve, the fixed plate, the serpentine air pipe and the heat exchange fins, when the device is used, the fan injects high-temperature flue gas into the dust removal box and then enters the serpentine air pipe, the high-temperature flue gas has sufficient time to exchange heat with water in the waste heat collecting box in the flowing process of the high-temperature flue gas in the serpentine air pipe, and the contact area between the serpentine air pipe and the water can be increased through the arrangement of the heat exchange fins, so that the heat exchange efficiency is effectively improved, the flue gas waste heat can be fully collected and utilized, and the safety operation of the device can be ensured through the arrangement of the pressure release valve;

(2) By arranging the dust removal box, the threaded connection groove, the threaded connection head and the filter element, when the dust removal box is used, the threaded connection head on one side of the filter element is screwed into the threaded connection groove, so that the filter element can be installed in the waste heat collection box, and when high-temperature flue gas passes through the interior of the dust removal box, the filter element not only can filter and remove dust in the flue gas, but also can play a role in slowing flow and reducing noise, so that the dust in the flue gas can be prevented from being attached to the inner wall of the snakelike air pipe to influence heat exchange efficiency, and the filter element is convenient to disassemble, assemble and clean;

(3) Through being provided with the inner bag body, cavity and thermal insulation material, when using, the setting of the inside inner bag body of waste heat collecting box can form bilayer structure to the cavity is inside to be filled thermal insulation material and can be made bilayer structure have the heat preservation intermediate layer, can make the device heat preservation effect very good like this, thereby can the greatly reduced natural loss of waste heat, practice thrift heat energy.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the enlarged partial section of the waste heat collecting box according to the present invention;

FIG. 3 is an enlarged structural view of the front section of the dust-removing box of the present invention;

fig. 4 is the schematic view of the snake-shaped air pipe of the present invention.

In the figure: 1. a waste heat collecting box; 2. a pressure relief valve; 3. an inner container body; 4. a dust removal box; 5. a fan; 6. a water outlet; 7. a fixing plate; 8. a water inlet; 9. a smoke outlet; 10. a cavity; 11. a thermal insulation material; 12. connecting grooves by screw threads; 13. a threaded connector; 14. a filter element; 15. a serpentine air duct; 16. and heat exchange fins.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Example 1: referring to fig. 1-4, a calcining kiln waste heat collecting and utilizing device comprises a waste heat collecting box 1 and a fan 5, wherein the top end of one side of the waste heat collecting box 1 is fixedly connected with a dust removing box 4, the fan 5 is fixedly arranged on one side of the dust removing box 4, the bottom end of one side of the waste heat collecting box 1 is provided with a water outlet 6, the bottom end of the other side of the waste heat collecting box 1 is provided with a water inlet 8, the inside of the waste heat collecting box 1 is fixedly connected with a fixing plate 7, the front end of the fixing plate 7 is fixedly connected with a serpentine air pipe 15, the outside of the serpentine air pipe 15 is fixedly connected with a heat exchange fin 16, a pressure release valve 2 is fixedly arranged at the central position of the top end of the waste heat collecting box 1, one side of the serpentine air pipe 15 penetrates through the outside of the waste heat collecting box 1 and is fixedly connected with a smoke outlet 9, and the other side of the serpentine air pipe 15 is communicated with the inside of the dust removing box 4;

specifically, as shown in fig. 1 and 4, fan 5 injects the high temperature flue gas into the inside of dust removal case 4, later get into inside snakelike tuber pipe 15, the high temperature flue gas has sufficient time and the inside water heat transfer of waste heat collecting box 1 at the inside in-process that flows of snakelike tuber pipe 15, and heat exchange fin 16's setting can increase the area of contact of snakelike tuber pipe 15 with water, thereby effectively improve heat exchange efficiency, can guarantee like this that the flue gas waste heat fully collects the utilization, the safe operation of device can be guaranteed in the setting of relief valve 2.

Example 2: a threaded connecting groove 12 is formed in one side of the interior of the dust removing box 4, a filter element 14 is arranged on one side of the threaded connecting groove 12, a threaded connector 13 is fixedly connected to one side of the filter element 14, threads which are matched with each other are arranged on the outer portion of the threaded connector 13 and the interior of the threaded connecting groove 12, and the threaded connector 13 is in threaded connection with the interior of the threaded connecting groove 12;

specifically, as shown in fig. 1 and fig. 3, screw connector 13 on one side of filter element 14 is screwed into threaded connection groove 12, and filter element 14 can be installed in waste heat collecting box 1, and the high-temperature flue gas passes through the inside in-process of dust removal case 4, and filter element 14 not only can filter the dust in the flue gas of getting rid of, but also can play the effect of making an uproar falls in the slow flow, can prevent like this that the dust in the flue gas from attaching to influence heat exchange efficiency on snakelike tuber pipe 15 inner wall, and filter element 14 dismouting clearance is comparatively convenient.

Example 3: a liner body 3 is arranged in the waste heat collecting box 1, a cavity 10 is arranged between the inner side wall of the waste heat collecting box 1 and the outer side wall of the liner body 3, a heat insulating material 11 is filled in the cavity 10, and the heat insulating material 11 is heat insulating rock wool;

specifically, as shown in fig. 1 and fig. 2, the inner container 3 inside the waste heat collecting tank 1 can form a double-layer structure, and the heat insulating material 11 filled inside the cavity 10 can make the double-layer structure have a heat insulating interlayer, so that the heat insulating effect of the device is very good, the natural loss of waste heat can be greatly reduced, and heat energy is saved.

The working principle is as follows: the utility model discloses when using, at first, screw connector 13 with filter core 14 one side twists inside threaded connection groove 12, can install the inside at waste heat collecting box 1 by filter core 14, fan 5 pours into the inside of dust removal case 4 with high temperature flue gas into, the high temperature flue gas is through the inside in-process of dust removal case 4, filter core 14 not only can filter the dust in getting rid of the flue gas, and can play the effect of making an uproar falls in slow flow, later get into inside snakelike tuber pipe 15, high temperature flue gas has sufficient time and the inside water heat transfer of waste heat collecting box 1 at the inside in-process that flows of snakelike tuber pipe 15, and heat transfer fin 16's setting can increase the area of contact of snakelike tuber pipe 15 with water, thereby effectively improve heat exchange efficiency, secondly, the setting of the inside inner bag body 3 of waste heat collecting box 1 can form bilayer structure, and cavity 10 inside packing thermal insulation material 11 can make bilayer structure have the heat preservation intermediate layer, this calcining kiln waste heat collection utilizes device can guarantee flue gas waste heat abundant collection, the safe operation of device can guarantee device, and the safe operation of device can guarantee the device of device, and can prevent that the dust in the snakelike flue gas influences heat transfer efficiency on the 15 inner wall, and influence, and lose very convenient dismouting, the heat preservation 14 dismouting can be very good simultaneously, the heat energy saving greatly reduced.

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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a calcining kiln waste heat collection utilizes device, includes waste heat collecting box (1) and fan (5), its characterized in that: the utility model discloses a waste heat collecting device, including waste heat collecting box (1), fan (5) fixed mounting is in one side of dust removal case (4), the bottom of waste heat collecting box (1) one side is provided with delivery port (6), the bottom of waste heat collecting box (1) opposite side is provided with water inlet (8), the inside fixedly connected with fixed plate (7) of waste heat collecting box (1), the front end fixedly connected with snakelike tuber pipe (15) of fixed plate (7), outside fixedly connected with heat transfer fin (16) of snakelike tuber pipe (15), the central point on waste heat collecting box (1) top puts fixed mounting there is relief valve (2).

2. The device for collecting and utilizing the waste heat of the calcining kiln as claimed in claim 1, characterized in that: one side of snakelike tuber pipe (15) runs through outside and fixedly connected with exhaust port (9) to waste heat collecting box (1), the opposite side of snakelike tuber pipe (15) is linked together with the inside of dust removal case (4).

3. The calcining kiln waste heat collecting and utilizing device as claimed in claim 1, characterized in that: the inside one side of dust removal case (4) is provided with thread connection groove (12), one side of thread connection groove (12) is provided with filter core (14), one side fixedly connected with threaded connection head (13) of filter core (14).

4. The calcining kiln waste heat collecting and utilizing device as claimed in claim 3, characterized in that: threaded connection head (13) outside and inside screw thread connection groove (12) are provided with the screw thread of mutually supporting, threaded connection head (13) threaded connection is inside screw thread connection groove (12).

5. The device for collecting and utilizing the waste heat of the calcining kiln as claimed in claim 1, characterized in that: the waste heat collecting box is characterized in that a liner body (3) is arranged inside the waste heat collecting box (1), and a cavity (10) is arranged between the inner side wall of the waste heat collecting box (1) and the outer side wall of the liner body (3).

6. The calcining kiln waste heat collecting and utilizing device as claimed in claim 5, characterized in that: the interior of the cavity (10) is filled with heat insulation materials (11), and the heat insulation materials (11) are made of heat insulation rock wool.