CN220708042U - Waste heat utilization type parallel tunnel kiln - Google Patents

Abstract

The utility model discloses a residual heat utilization type parallel tunnel kiln, which comprises a roasting kiln and a drying kiln, wherein rails are connected inside the roasting kiln and the drying kiln in a penetrating way, extend out of the roasting kiln and the drying kiln, form a closed annular structure outside two ends of the roasting kiln and the drying kiln, a bearing vehicle is arranged on the top surface of the rails, an air inlet pipe is connected with the top surface of the roasting kiln in a penetrating way, a collecting pipe is connected with the other end of the air inlet pipe in a penetrating way, an exhaust pipe is connected with one side surface of the drying kiln in a penetrating way, and the other end of the exhaust pipe is connected with the collecting pipe in a penetrating way. The beneficial effects are that: the cyclone dust collector and the induced draft fan are adopted, high-temperature flue gas generated during roasting in the roasting kiln enters the first connecting pipe through the air inlet pipe and the collecting pipe, the induced draft fan injects the high-temperature flue gas into the cyclone dust collector through the third connecting pipe, the high-temperature flue gas enters the drying kiln after cyclone dust removal, and the waste heat of the high-temperature flue gas is utilized to dry the refractory material, so that the method is more energy-saving and environment-friendly.

Description

Waste heat utilization type parallel tunnel kiln

Technical Field

The utility model relates to the technical field of parallel tunnel kilns for refractory material production, in particular to a waste heat utilization type parallel tunnel kiln.

Background

The refractory material comprises refractory bricks, the refractory bricks are required to be dried and roasted during production, parallel tunnel kilns are used for drying and roasting the refractory bricks respectively at the present stage, after search, the publication number is CN218398706U, the name is a parallel drying and roasting tunnel kiln, the application proposes that the baking and preheating temperatures are greatly different due to the fact that the roasting and drying preheating temperatures are different, the roasting kiln and the drying and preheating kiln on the market are independently built, the baking kiln and the drying and preheating kiln generally occupy large areas, in order to facilitate work, or a certain distance is arranged between the baking and preheating kiln and the baking and preheating kiln or between the baking and preheating kiln and the baking tunnel kiln, when the baking and preheating kiln are used, an operator needs to send a trolley stacked with brick blanks into the drying and preheating kiln, after the drying and preheating treatment, the trolley is pushed out of the baking kiln and is transferred into the baking kiln, the trolley is required to be adjusted in an angle or is butted with a track in the kiln before entering the kiln, the trolley has the problem of poor transfer convenience and difficult operation, the problem of causing low firing efficiency, the problem of high labor intensity is solved, and the problem of simple material entering and exiting the kiln is solved by setting a transverse track and a brick baking frame and a brick placing structure on the baking kiln.

However, when the application is used, the reversing of the trolley is still troublesome, the track system is also complicated, the use is not very convenient, meanwhile, the roasting kiln and the drying kiln are independently arranged in the application, high-temperature flue gas generated by roasting in the roasting kiln is directly discharged after being treated, so that waste heat in the flue gas is difficult to directly apply to a drying procedure, heat waste is caused, and the application can be further improved.

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

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a waste heat utilization type parallel tunnel kiln which has the advantages of more energy conservation, environmental protection and more convenient use, thereby solving the problems in the prior art.

(II) technical scheme

In order to achieve the advantages of more energy conservation, environmental protection and more convenient use, the utility model adopts the following specific technical scheme:

the utility model provides a waste heat utilization type parallel tunnel kiln, includes roasting kiln and drying kiln, inside through-connection of roasting kiln and drying kiln has the rail, and the rail extends roasting kiln and drying kiln and forms confined annular structure in roasting kiln and drying kiln both ends outside to the rail top surface is installed and is born the weight of the car, roasting kiln top link up and is connected with the intake pipe, and the intake pipe other end link up and be connected with the collecting pipe, drying kiln one side surface link up and be connected with the blast pipe, and the blast pipe other end link up and be connected with the shunt tubes, draught fan and cyclone are installed to drying kiln one side, and the draught fan air inlet end link up with the collecting pipe through first connecting pipe, and the draught fan air outlet end link up with cyclone air inlet end through third connecting pipe, cyclone air outlet end link up with the shunt tubes through the second connecting pipe.

Further, the bottom surface of the bearing vehicle is rotationally connected with a wheel shaft through a bearing seat, and two ends of the wheel shaft are fixedly connected with conical wheels.

Further, the bearing seat is fixedly connected with the bottom surface of the bearing vehicle, and the wheel axle penetrates through the bearing seat and is rotationally connected with the bearing seat.

Further, the collecting pipes are arranged in a plurality, and the pipe diameters of the collecting pipes and the shunt pipes are the same.

Further, the shunt tubes are arranged in a plurality, and the shunt tubes are distributed at equal intervals.

Further, the outer wall of the collecting pipe is connected with the top surface of the roasting kiln in a sealing way.

Further, the outer wall of the shunt pipe is in sealing connection with the outer wall of the drying kiln.

Further, the bearing roof surface is subjected to roughening treatment.

(III) beneficial effects

Compared with the prior art, the utility model provides a waste heat utilization type parallel tunnel kiln, which has the following beneficial effects:

(1) The cyclone dust collector and the induced draft fan are adopted, high-temperature flue gas generated during roasting in the roasting kiln enters the first connecting pipe through the air inlet pipe and the collecting pipe, the induced draft fan injects the high-temperature flue gas into the cyclone dust collector through the third connecting pipe, the high-temperature flue gas enters the drying kiln after cyclone dust removal, and the waste heat of the high-temperature flue gas is utilized to dry the refractory material, so that the method is more energy-saving and environment-friendly.

(2) The utility model adopts the rail and the bearing vehicle, the rail is distributed at the two ends of the roasting kiln and the drying kiln and passes through the roasting kiln and the drying kiln to form an annular structure, the bearing vehicle runs on the rail, and the conical wheel is utilized to turn and circularly move on the annular rail, so that the continuous entering and exiting of the roasting kiln and the drying kiln are greatly facilitated, the movement of the bearing vehicle by workers is facilitated, the drying and roasting of refractory materials are facilitated, and the use convenience is improved.

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 top view of a combined tunnel kiln utilizing waste heat in accordance with the present utility model;

FIG. 2 is a schematic diagram of the connection of the induced draft fan and the cyclone dust collector;

FIG. 3 is a schematic view of a vehicle according to the present utility model;

fig. 4 is a front view of a vehicle according to the present utility model.

In the figure:

1. a roasting kiln; 2. a drying kiln; 3. a manifold; 4. a shunt; 5. an exhaust pipe; 6. an air inlet pipe; 7. a first connection pipe; 8. a second connection pipe; 9. a carrier vehicle; 10. a rail; 11. a cyclone dust collector; 12. a third connection pipe; 13. an induced draft fan; 14. a cone pulley; 15. a bearing seat; 16. and a wheel axle.

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 an embodiment of the utility model, a waste heat utilization type parallel 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 residual heat utilization type parallel tunnel kiln according to the embodiment of the utility model comprises a roasting kiln 1 and a drying kiln 2, wherein the inside of the roasting kiln 1 and the drying kiln 2 is connected with a rail 10 in a penetrating way, the rail 10 adopts a traditional railway track, is of a common structure, the rail 10 extends out of the roasting kiln 1 and the drying kiln 2 and forms a closed annular structure outside both ends of the roasting kiln 1 and the drying kiln 2, the whole is in a shape of 8, the turning radius of the rail 10 is matched with the turning semi-diameter of a cone pulley 14 to avoid derailment, the top surface of the rail 10 is provided with a bearing vehicle 9, the top surface of the roasting kiln 1 is connected with an air inlet pipe 6 in a penetrating way, the other end of the air inlet pipe 6 is connected with a collecting pipe 3 in a penetrating way, one side surface of the drying kiln 2 is connected with an exhaust pipe 5 in a penetrating way, and the other end of the exhaust pipe 5 is connected with a shunt pipe 4, an induced draft fan 13 and a cyclone dust collector 11 are arranged on one side of the drying kiln 2, the air inlet end of the induced draft fan 13 is in through connection with the collecting pipe 3 through a first connecting pipe 7, the induced draft fan 13 adopts high temperature resistant equipment, the air outlet end of the induced draft fan 13 is in through connection with the air inlet end of the cyclone dust collector 11 through a third connecting pipe 12, the air outlet end of the cyclone dust collector 11 is in through connection with the shunt pipe 4 through a second connecting pipe 8, wherein the bottom surface of a bearing vehicle 9 is rotationally connected with a wheel shaft 16 through a bearing pedestal 15, two ends of the wheel shaft 16 are fixedly connected with tapered wheels 14, wherein the bearing pedestal 15 is fixedly connected with the bottom surface of the bearing vehicle 9, the wheel shaft 16 penetrates through the bearing pedestal 15 and is rotationally connected with the bearing pedestal 15, so as to facilitate the cooperation with a rail 10 for steering, the axial direction of the tapered wheels 14 is lengthened, the turning radius is reduced, the outer diameter of the rail 10 is reduced, the high-temperature flue gas generated during roasting of the roasting kiln 1 enters the first connecting pipe 7 through the air inlet pipe 6 and the collecting pipe 3, the induced draft fan 13 injects the high-temperature flue gas into the cyclone dust collector 11 through the third connecting pipe 12, after cyclone dust removal, the high-temperature flue gas enters the drying kiln 2, the refractory materials are dried by utilizing the waste heat of the high-temperature flue gas, and the high-temperature flue gas is more energy-saving and environment-friendly, meanwhile, the rails 10 are distributed at the two ends of the roasting kiln 1 and the drying kiln 2 and pass through the roasting kiln 1 and the drying kiln 2 to form an annular structure, the bearing vehicle 9 runs on the rails 10, and the conical wheels 14 are utilized to turn on the annular rails 10 and circularly move, so that the continuous entering and exiting of the roasting kiln 1 and the drying kiln 2 is greatly facilitated, the refractory materials are dried and roasted by the moving bearing vehicle 9 by workers, and the convenience of use is improved.

In one embodiment, the manifold 3 is provided with a plurality of manifolds, and the manifold 3 has the same pipe diameter as the shunt pipe 4, so that the airflow can flow stably.

In one embodiment, the plurality of the shunt tubes 4 are arranged, and the shunt tubes 4 are distributed at equal intervals, so that the uniformity of exhaust gas and the uniformity of drying are improved.

In one embodiment, the outer wall of the collecting pipe 3 is connected with the top surface of the roasting kiln 1 in a sealing way, so that air leakage is avoided.

In one embodiment, the outer wall of the shunt tube 4 is in sealing connection with the outer wall of the drying kiln 2, so that air leakage is avoided.

In one embodiment, the top surface of the carrier 9 is roughened to increase friction and reduce slippage during movement of the refractory bricks.

Working principle:

the high-temperature flue gas generated during roasting of the roasting kiln 1 enters the first connecting pipe 7 through the air inlet pipe 6 and the collecting pipe 3, the induced draft fan 13 injects the high-temperature flue gas into the cyclone dust collector 11 through the third connecting pipe 12, after cyclone dust removal, the high-temperature flue gas enters the drying kiln 2, the refractory materials are dried by utilizing the waste heat of the high-temperature flue gas, and the high-temperature flue gas is more energy-saving and environment-friendly, meanwhile, the rails 10 are distributed at the two ends of the roasting kiln 1 and the drying kiln 2 and pass through the roasting kiln 1 and the drying kiln 2 to form an annular structure, the bearing vehicle 9 runs on the rails 10, and the conical wheels 14 are utilized to turn on the annular rails 10 and circularly move, so that the continuous entering and exiting of the roasting kiln 1 and the drying kiln 2 is greatly facilitated, the refractory materials are dried and roasted by the moving bearing vehicle 9 by workers, and the convenience of use is improved.

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 (8)

1. The utility model provides a waste heat utilization type and tunnel cave, its characterized in that, including roasting kiln (1) and stoving kiln (2), inside through-connection of roasting kiln (1) and stoving kiln (2) has rail (10), and rail (10) extend roasting kiln (1) and stoving kiln (2) and form confined loop configuration in roasting kiln (1) and stoving kiln (2) both ends outside to rail (10) top surface is installed and is born car (9), roasting kiln (1) top surface link up and is connected with intake pipe (6), and intake pipe (6) other end link up and be connected with manifold (3), stoving kiln (2) one side surface link up and is connected with blast pipe (5), and blast pipe (5) other end link up and be connected with shunt tubes (4), connecting pipe (13) and cyclone (11) are installed to stoving kiln (2) one side, and draught fan (13) air inlet end link up through first connecting pipe (7) and manifold (3) to the end that gives vent to anger is through third (12) and cyclone (11) end link up and be connected, cyclone (11) end link up through second connecting pipe (8) and the end that gives vent to anger.

2. The residual heat utilization type parallel tunnel kiln according to claim 1, wherein the bottom surface of the bearing vehicle (9) is rotatably connected with an axle (16) through a bearing seat (15), and two ends of the axle (16) are fixedly connected with cone wheels (14).

3. The residual heat utilization type parallel tunnel kiln according to claim 2, wherein the bearing seat (15) is fixedly connected with the bottom surface of the bearing vehicle (9), and the wheel axle (16) penetrates through the bearing seat (15) and is rotatably connected with the bearing seat (15).

4. The residual heat utilization type parallel tunnel kiln according to claim 1, wherein a plurality of collecting pipes (3) are arranged, and the collecting pipes (3) and the shunt pipes (4) have the same pipe diameter.

5. The residual heat utilization type parallel tunnel kiln according to claim 1, wherein a plurality of shunt tubes (4) are arranged, and the shunt tubes (4) are arranged at equal intervals.

6. The residual heat utilization type parallel tunnel kiln according to claim 1, wherein the outer wall of the collecting pipe (3) is in sealing connection with the top surface of the roasting kiln (1).

7. The residual heat utilization type parallel tunnel kiln according to claim 1, wherein the outer wall of the shunt pipe (4) is in sealing connection with the outer wall of the drying kiln (2).

8. A combined tunnel kiln according to claim 1, characterized in that the top surface of the carrier vehicle (9) is roughened.