CN220818274U

CN220818274U - Tunnel kiln waste heat utilization refractory brick drying device

Info

Publication number: CN220818274U
Application number: CN202322514210.XU
Authority: CN
Inventors: 耿宇凯; 张海静
Original assignee: Dengfeng Dexili Refractory Materials Co ltd
Current assignee: Dengfeng Dexili Refractory Materials Co ltd
Priority date: 2023-09-15
Filing date: 2023-09-15
Publication date: 2024-04-19
Anticipated expiration: 2033-09-15

Abstract

The utility model discloses a device for drying refractory bricks by utilizing waste heat of a tunnel kiln, which comprises a drying bin and a drying frame. The beneficial effects are that: the utility model adopts the coil pipe and the shunt pipe, the refractory bricks are arranged on the top surface of the drying rack, the high-temperature flue gas of the tunnel kiln enters the coil pipe through the smoke inlet pipe, the coil pipe is heated, the coil pipe is in a high-temperature state, meanwhile, the centrifugal fan is started, air at the bottom of the drying bin is pumped out through the air inlet pipe and the exhaust pipe, the air is blown out through the air delivery pipe and the shunt pipe, and the air exchanges heat with the coil pipe and heats up when passing through the coil pipe, so that the high-temperature gas is downwards moved to blow the refractory bricks, the refractory bricks are dried by high-temperature hot air.

Description

Tunnel kiln waste heat utilization refractory brick drying device

Technical Field

The utility model relates to the technical field of refractory brick production, in particular to a refractory brick drying device utilizing waste heat of a tunnel kiln.

Background

The water in the bricks is required to be discharged before the unburned bricks enter the tunnel kiln for firing, and a set of drying kiln is adopted by a plurality of refractory brick manufacturers at present, and a set of heating equipment is provided for the drying kiln.

Through retrieving the back discovery, the bulletin number is CN203489719U, the name is refractory brick drying system, this application has put forward the tunnel cave and has had the problem that a large amount of heat energy had all been wasted at the in-process of firing the firebrick base, utilize the waste heat of tunnel cave to provide the heat for the stoving kiln, play energy saving and emission reduction's effect, reduce manufacturing cost, fully improve the economic benefits of enterprise, but this application is directly taken out the steam in the tunnel cave into the stoving kiln through the forced draught blower and is dried, the steam in the tunnel cave includes the flue gas that the heating produced, contain more granule impurity in the steam, when direct contact with the adobe in the stoving kiln, impurity and granule can adhere to the surface at the adobe, lead to the adobe apparent quality to receive the influence, influence the yields, simultaneously, it is also not high just to rely on the tunnel cave flue gas to carry out drying efficiency, still can further improve.

For the problems in the related art, no effective solution has been proposed at present.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the drying device for the refractory bricks by utilizing the waste heat of the tunnel kiln, which has the advantages of high drying efficiency, avoiding the surface pollution of the refractory bricks and improving the yield, thereby solving the problems in the background art.

(II) technical scheme

In order to realize the advantages of high drying efficiency, avoiding pollution on the surface of refractory bricks and improving the yield, the utility model adopts the following specific technical scheme:

The utility model provides a tunnel kiln waste heat utilization is able to bear or endure firebrick drying device, includes stoving storehouse and stoving frame, the inside stoving frame that holds in stoving storehouse, and the fixed hanging of top has the coil pipe in the stoving storehouse to coil pipe both ends are through-connection respectively has into tobacco pipe and play tobacco pipe, stoving storehouse one side fixed surface installs centrifugal fan and drying cabinet, and the drying cabinet bottom link up with stoving storehouse bottom through the intake pipe to the drying cabinet top is through exhaust tube and centrifugal fan inlet end link up connection, centrifugal fan outlet end link up and is connected with the gas-supply pipe, and the gas-supply pipe extends to stoving case top, and the gas-supply pipe surface link up and is connected with the shunt tubes, the shunt tubes runs through stoving storehouse top surface and extends to the coil pipe top.

Further, the drying frames are arranged in multiple layers from top to bottom, the drying frames are fixedly connected through upright posts, and movable wheels are fixedly arranged on the bottom surface of the bottommost drying frame.

Furthermore, the distance between the drying frames is larger than the height of the refractory bricks, and the surface of the drying frames is densely and uniformly provided with ventilation holes.

Furthermore, the front vertical face of the drying bin is hinged with a bin door.

Further, the smoke inlet pipe is communicated with the smoke exhaust pipe of the tunnel kiln, and penetrates through the top surface of the drying bin.

Further, the smoke outlet pipe penetrates through one side surface of the drying bin.

Further, the inside fixed mounting of drying cabinet has the orifice plate, and is filled with molecular sieve between the orifice plate.

Further, round holes are formed in the surface of the pore plate, and the aperture of the round holes is smaller than the particle size of the molecular sieve.

(III) beneficial effects

Compared with the prior art, the utility model provides the drying device for the refractory bricks by utilizing the waste heat of the tunnel kiln, which has the following beneficial effects:

(1) When the refractory bricks are dried, the refractory bricks are placed on the top surface of the drying rack and pushed into the drying bin, high-temperature flue gas of the tunnel kiln enters the coil through the smoke inlet pipe and is discharged along the smoke outlet pipe through the coil, the coil is heated, the coil is in a high-temperature state, meanwhile, the centrifugal fan is started, air at the bottom of the drying bin is pumped out through the air inlet pipe and the exhaust pipe, and is blown out through the air pipe and the split pipe, and the air exchanges heat with the coil when passing through the coil, so that high-temperature gas moves downwards to be blown to the refractory bricks, and the refractory bricks are dried by hot air.

(2) According to the utility model, a hot air circulation drying mode is adopted, hot air is discharged through the shunt pipes and blown to the refractory bricks, water in the refractory bricks is evaporated to form water vapor, the water vapor enters the drying oven through the air inlet pipe and is dehumidified through the molecular sieve, the water vapor is removed, the dried air flows back into the shunt pipes through the air exhaust pipe and the air delivery pipe, and is blown to the refractory bricks again for drying after being secondarily heated through the coil pipes, so that the drying efficiency of the dried hot air is higher, the drying efficiency is improved, and meanwhile, the hot air is in an internal circulation heating state and is heated more quickly, thereby further improving the drying efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural view of a tunnel kiln waste heat utilization refractory brick drying device provided by the utility model;

FIG. 2 is a side view of the tunnel kiln waste heat utilization refractory brick drying device provided by the utility model;

FIG. 3 is a schematic illustration of the installation of a coil in accordance with the present utility model;

fig. 4 is a schematic structural view of a drying rack according to the present utility model.

In the figure:

1. A drying bin; 2. drying the frame; 3. a column; 4. a moving wheel; 5. a smoke inlet pipe; 6. a coiled pipe; 7. a smoke outlet pipe; 8. an air inlet pipe; 9. a drying box; 10. an orifice plate; 11. a molecular sieve; 12. an exhaust pipe; 13. a centrifugal fan; 14. a gas pipe; 15. a shunt; 16. a bin gate; 17. and (5) ventilation holes.

Detailed Description

For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.

According to the embodiment of the utility model, a device for drying refractory bricks by utilizing waste heat of a tunnel kiln is provided.

The utility model will be further described with reference to the accompanying drawings and the specific embodiments, as shown in fig. 1-4, a tunnel kiln waste heat utilization refractory brick drying device according to an embodiment of the utility model comprises a drying bin 1 and a drying rack 2, wherein the drying rack 2 is arranged in the drying bin 1, a coil pipe 6 is fixedly hung at the inner top of the drying bin 1, the coil pipe 6 improves the heat exchange area, improves the heating efficiency of hot gas, two ends of the coil pipe 6 are respectively and penetratingly connected with a smoke inlet pipe 5 and a smoke outlet pipe 7, a centrifugal fan 13 and a drying box 9 are fixedly arranged on one side surface of the drying bin 1, the bottom of the drying box 9 is penetratingly connected with the inner bottom of the drying bin 1 through an air inlet pipe 8, the top of the drying box 9 is penetratingly connected with the air inlet end of the centrifugal fan 13 through an air outlet end of the centrifugal fan 13, the air outlet end of the centrifugal fan 13 is penetratingly connected with an air pipe 14, and the air pipe 14 extends to the upper part of the drying box, the surface of the air pipe 14 is connected with a shunt pipe 15 in a penetrating way, the shunt pipe 15 penetrates through the top surface of the drying bin 1 and extends to the upper part of the coil pipe 6, a plurality of groups of centrifugal fans 13 and drying boxes 9 are arranged, wherein an orifice plate 10 is fixedly arranged in the drying boxes 9, molecular sieves 11 are filled between the orifice plates 10, round holes are formed in the surfaces of the orifice plates 10, the pore diameters of the round holes are smaller than the particle diameters of the molecular sieves 11, the orifice plates 10 prevent the molecular sieves 11 from entering the air inlet pipe 8, a sealing door is formed in the surface of one side of the drying boxes 9 and is used for replacing the molecular sieves 11, when the refractory bricks are dried, the refractory bricks are placed on the top surface of the drying rack 2 and pushed into the drying bin 1, high-temperature flue gas of a tunnel kiln enters the coil pipe 6 through the smoke inlet pipe 5 and is discharged through the coil pipe 7, the coil pipe 6 is heated, the coil pipe 6 is enabled to be in a high-temperature state, and simultaneously, the centrifugal fans 13 are started, the air at the bottom of the drying bin 1 is pumped out through the air inlet pipe 8 and the exhaust pipe 12, the air is blown out through the air pipe 14 and the shunt pipe 15, heat exchange and temperature rising are carried out between the air and the coil pipe 6 when passing through the coil pipe 6, thereby high-temperature gas is downwards moved and blown to the refractory bricks, the refractory bricks are dried by high-temperature hot air, the device utilizes the waste heat in the high-temperature flue gas of the tunnel kiln to carry out hot air drying on the refractory bricks, waste heat resources are reasonably utilized, the device is more energy-saving and environment-friendly, simultaneously, particles and impurities in the flue gas are not contacted with the refractory bricks, the problem that the surfaces of the refractory bricks are polluted by the flue gas is avoided, the yield and apparent quality of the refractory bricks are improved, the production efficiency is further improved, meanwhile, hot air is discharged and blown to the refractory bricks through the shunt pipe 15, water in the refractory bricks is evaporated to form water vapor, the air enters the drying box 9 through the air inlet pipe 8, the water vapor is removed after being dehumidified through the molecular sieve 11, the dried air flows back into the shunt pipe 15 through the exhaust pipe 12 and is dried after being secondarily heated by the coil pipe 6, the dried by the drying efficiency of the refractory bricks is improved, and meanwhile, the hot air is in an internal circulation heating state is further improved, and the drying efficiency is in a heating state.

In one embodiment, the drying frames 2 are arranged in multiple layers from top to bottom, the drying frames 2 are fixedly connected through the upright posts 3, the movable wheels 4 are fixedly arranged on the bottom surface of the bottommost drying frame 2, and the movable wheels 4 facilitate pushing of the drying frames 2.

In one embodiment, the distance between the drying frames 2 is larger than the height of the refractory bricks, and the surface of the drying frames 2 is densely and uniformly provided with ventilation holes 17, and the ventilation holes 17 are convenient for air flow.

In one embodiment, the front vertical surface of the drying bin 1 is hinged with a bin door 16, and the bin door 16 adopts a sealing door to avoid the leakage of hot air.

In one embodiment, the smoke inlet pipe 5 is connected with the smoke outlet pipe of the tunnel kiln, and the smoke inlet pipe 5 penetrates through the top surface of the drying bin 1, and the tunnel kiln is of a common structure in the art and is not shown in the figure.

In one embodiment, the smoke outlet pipe 7 penetrates through one side surface of the drying bin 1, and the other end of the smoke outlet pipe 7 is in through connection with smoke treatment equipment, wherein the smoke treatment equipment is common equipment in the field and is not shown in the figure.

Working principle:

When drying the resistant firebrick, resistant firebrick is put at 2 top surfaces of drying rack, push into stoving storehouse 1, the high temperature flue gas of tunnel kiln enters into coil pipe 6 through advance tobacco pipe 5, discharge along play tobacco pipe 7 through coil pipe 6, heating coil pipe 6, make coil pipe 6 be in high temperature state, simultaneously, centrifugal fan 13 starts, the air of drying storehouse 1 bottom is taken out through intake pipe 8 and exhaust tube 12, blow out through gas-supply pipe 14 and shunt tubes 15, the air is when passing through coil pipe 6 and coil pipe 6 heat transfer intensification, thereby form high temperature gas and move down and blow to resistant firebrick, carry out high temperature hot air stoving to resistant firebrick, this device has utilized the waste heat in the tunnel kiln high temperature flue gas to carry out hot air stoving to resistant firebrick, the rational utilization waste heat resource, more energy-concerving and environment-protective, simultaneously, granule and impurity in the resistant firebrick do not contact, avoid the surface to receive the problem of flue gas pollution, and have improved resistant firebrick's yields and apparent quality, and then improved production efficiency, simultaneously, hot air discharges through shunt tubes 15 and blows out the air to resistant firebrick, the water evaporation in resistant firebrick, in the resistant firebrick, water evaporation forms, enter into drying box 9 through intake pipe 8, after the resistant pipe 8, after the molecular sieve 11 dehumidifies, after the molecular sieve is got rid of, and the drying efficiency is removed, and the exhaust tube 12 is dried through the air, the air is more high temperature is circulated through the exhaust tube, and is heated, thereby, drying efficiency is further in the drying air is in the drying air, and is in high temperature condition, and is further improved, and has been in the drying efficiency, and is in the drying air drying efficiency and has been heated.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a tunnel kiln waste heat utilization resistant firebrick drying device, its characterized in that, including stoving storehouse (1) and stoving frame (2), stoving storehouse (1) inside holds stoving frame (2), and stoving storehouse (1) interior top is fixed to be hung and is equipped with coil pipe (6) to coil pipe (6) both ends are link up respectively and are connected with into tobacco pipe (5) and play tobacco pipe (7), stoving storehouse (1) one side fixed surface installs centrifugal fan (13) and drying cabinet (9), and drying cabinet (9) bottom is through intake pipe (8) and stoving storehouse (1) bottom through being connected to drying cabinet (9) top is through exhaust tube (12) and centrifugal fan (13) inlet end through being connected, centrifugal fan (13) end through being connected with gas-supply pipe (14), and gas-supply pipe (14) extend to stoving case top to gas-supply pipe (14) surface through being connected with shunt tubes (15), shunt tubes (15) run through stoving storehouse (1) top surface and extend to coil pipe (6) top.

2. The tunnel kiln waste heat utilization refractory brick drying device according to claim 1, wherein the drying frames (2) are arranged in multiple layers from top to bottom, the drying frames (2) are fixedly connected through upright posts (3), and a movable wheel (4) is fixedly arranged on the bottom surface of the bottommost drying frame (2).

3. The drying device for the refractory bricks by utilizing the waste heat of the tunnel kiln according to claim 1, wherein the distance between the drying frames (2) is larger than the height of the refractory bricks, and ventilation holes (17) are densely and uniformly formed in the surfaces of the drying frames (2).

4. The tunnel kiln waste heat utilization refractory brick drying device according to claim 1, wherein the front vertical surface of the drying bin (1) is hinged with a bin gate (16).

5. The drying device for the refractory bricks by utilizing the waste heat of the tunnel kiln according to claim 1, wherein the smoke inlet pipe (5) is communicated with the smoke exhaust pipe of the tunnel kiln, and the smoke inlet pipe (5) penetrates through the top surface of the drying bin (1).

6. The tunnel kiln waste heat utilization refractory brick drying device according to claim 1, wherein the smoke outlet pipe (7) penetrates through one side surface of the drying bin (1).

7. The tunnel kiln waste heat utilization refractory brick drying device according to claim 1, wherein the drying box (9) is internally and fixedly provided with pore plates (10), and molecular sieves (11) are filled between the pore plates (10).

8. The tunnel kiln waste heat utilization refractory brick drying device according to claim 7, wherein round holes are formed in the surface of the pore plate (10), and the diameter of the round holes is smaller than the particle size of the molecular sieve (11).