CN218443266U

CN218443266U - Advection convulsions tunnel cave

Info

Publication number: CN218443266U
Application number: CN202222232505.3U
Authority: CN
Inventors: 李德文
Original assignee: Weiyuan Defeng Building Materials Co ltd
Current assignee: Weiyuan Defeng Building Materials Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2023-02-03
Anticipated expiration: 2032-08-24

Abstract

The utility model discloses an advection air draft tunnel kiln, which comprises a high-temperature zone, wherein one side of the high-temperature zone is provided with a preheating zone, one side of the high-temperature zone, which is far away from the preheating zone, is provided with a cooling zone, and the high-temperature zone, the preheating zone and an inner track of the cooling zone are arranged; the utility model discloses a preheating zone, including preheating zone, high temperature area, advection convulsions subassembly, the output of air exhauster is connected with the ring pipe that is used for evenly preheating the inside in preheating zone, the inside equidistance of ring pipe is equipped with the multiunit and is convenient for the shower nozzle with hot-blast outflow, and multiunit shower nozzle slope sets up, the utility model discloses can carry out even preheating to the goods of preheating zone inside, solved current tunnel cave and only can preheat the both sides of goods when preheating the goods on the kiln car, preheat inhomogeneously to the condition that the effect of preheating that leads to the goods is not good takes place, satisfies the user demand.

Description

Advection convulsions tunnel cave

Technical Field

The utility model relates to a tunnel cave field specifically is an advection convulsions tunnel cave.

Background

The tunnel kiln is a kiln similar to a tunnel and internally provided with delivery vehicles such as kiln cars and the like, built by refractory materials, heat insulation materials and building materials, and is modern continuous-firing thermal equipment.

The combustion equipment in the tunnel kiln is arranged on two sides of the middle part of the tunnel kiln to form a fixed high-temperature zone, namely a burning zone, high-temperature smoke generated by combustion flows towards the kiln head along the tunnel under the action of an air draft device, and simultaneously, products entering the kiln are gradually preheated, and the section forms a preheating zone of the tunnel kiln.

The inside of the inside hot-blast transport to preheating zone of high-temperature zone of current tunnel cave generally utilizes the fan to preheat the goods on the kiln car, and chinese utility model patent that patent publication number is CN211977556U for example discloses a heat even tunnel cave of heating, carries steam in to the kiln car with the help of the thermal cycle subassembly for the semi-manufactured goods that are located kiln car inside are able to be able to also heated, have improved the homogeneity of tunnel cave heating.

Above-mentioned tunnel cave is when carrying steam, and multiunit flame injector head is located the both sides of tunnel cave respectively, consequently just can preheat the both sides of goods when preheating the goods on the kiln car, preheats inhomogeneously to lead to preheating effect of goods not good, to this problem, provide a advection convulsions tunnel cave now.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an advection convulsions tunnel cave to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a horizontal-flow air-draft tunnel kiln comprises a high-temperature zone, wherein a preheating zone is arranged on one side of the high-temperature zone, a cooling zone is arranged on one side of the high-temperature zone away from the preheating zone, and tracks which are convenient for kiln cars to move are arranged inside the high-temperature zone, the preheating zone and the cooling zone;

the top of preheating zone is fixed with the air exhauster, the inside top in high temperature zone is equipped with advection convulsions subassembly, the one end of advection convulsions subassembly is connected with the input of air exhauster, the output of air exhauster is connected with the ring pipe that is used for evenly preheating the inside in preheating zone, the inside equidistance of ring pipe is equipped with the multiunit and is convenient for the shower nozzle with hot-blast outflow, and multiunit shower nozzle slope sets up.

As a further aspect of the present invention: the preheating device is characterized in that a fixed seat is fixed inside the preheating zone, a rotating cavity is arranged in the middle of the fixed seat, the annular pipe is located inside the rotating cavity, the annular pipe and the rotating cavity are rotatably connected through a bearing, and a cavity communicated with the rotating cavity is formed in the annular pipe.

As a further aspect of the present invention: the advection convulsions subassembly is including being fixed in the advection exhaust column at high temperature area inner chamber top, the bottom equidistance of advection exhaust column is equipped with the hot-blast air intake that gets into of multiunit convenience, the air intake communicates with the inner chamber in high temperature area.

As a further aspect of the present invention: the one end that the advection exhaust column is close to the air exhauster is fixed with the connecting pipe, the other end of connecting pipe is connected with the input of air exhauster, the output of air exhauster is fixed with the output tube, the other end of output tube runs through preheating zone and fixing base, and output tube and cavity intercommunication.

As a further aspect of the present invention: and a sealing ring for increasing the sealing effect is arranged between the rotating cavity and the annular pipe.

As a further aspect of the present invention: and the two groups of support frames are respectively positioned at one end of the preheating zone and one end of the cooling zone far away from the high-temperature zone.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a set up the shower nozzle that the multiunit slope set up, when the hot air cylinder shower nozzle flows, utilize the pushing action of air current reaction force, can drive the ring pipe and rotate in the inside of rotating the chamber, it is rotatory while making shower nozzle limit gas injection, thereby can carry out even preheating to preheating the goods of taking inside, solved current tunnel cave when preheating the goods on the kiln car only can preheat the both sides of goods, it is inhomogeneous to preheat, thereby the condition that the preheating effect that leads to goods is not good takes place, and the user demand is satisfied.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the advection exhaust pipe of the present invention.

Fig. 3 is a schematic structural view of the middle ring-shaped pipe of the present invention.

Fig. 4 is an enlarged schematic structural view of a portion a in fig. 2 according to the present invention.

Wherein: 11. a high temperature zone; 12. preheating a zone; 13. a cooling zone; 14. a track; 15. a support frame; 16. an advection exhaust pipe; 17. an air inlet; 18. a connecting pipe; 19. an exhaust fan; 20. an output pipe; 21. a fixed seat; 22. a rotation chamber; 23. an annular tube; 24. a cavity; 25. and (4) a spray head.

Detailed Description

In one embodiment, as shown in fig. 1 to 4, a horizontal draft tunnel kiln comprises a high temperature zone 11, a preheating zone 12 is arranged on one side of the high temperature zone 11, a cooling zone 13 is arranged on one side of the high temperature zone 11 away from the preheating zone 12, and rails 14 for facilitating movement of a kiln car are arranged inside the high temperature zone 11, the preheating zone 12 and the cooling zone 13, when in use, a product to be fired is firstly placed inside the kiln car on the rails 14, and the kiln car is driven to move by using the rails 14, so that the product on the kiln car can be driven to move, and the product can sequentially pass through the preheating zone, the high temperature zone and the cooling zone, and processing of the product is realized;

an exhaust fan 19 is fixed at the top end of the preheating zone 12, a advection exhaust assembly is arranged at the top end inside the high-temperature zone 11, one end of the advection exhaust assembly is connected with the input end of the exhaust fan 19, the output end of the exhaust fan 19 is connected with a ring pipe 23 for uniformly preheating the inside of the preheating zone 12, a plurality of groups of spray heads 25 convenient for flowing hot air out are equidistantly arranged inside the ring pipe 23, and the plurality of groups of spray heads 25 are obliquely arranged;

in the present embodiment, the hot air inside the high temperature zone 11 can be extracted by the exhaust fan 19 and the advection exhaust assembly, so that the hot air can flow out from the multiple groups of nozzles 25 through the annular pipe 23, and uniform preheating of the products inside the preheating zone 12 is realized.

In one embodiment, as shown in fig. 1-4, a fixed seat 21 is fixed inside the preheating zone 12, a rotating cavity 22 is provided in the middle of the fixed seat 21, the annular tube 23 is located inside the rotating cavity 22, the annular tube 23 is rotatably connected with the rotating cavity 22 through a bearing, and a cavity 24 communicated with the rotating cavity 22 is provided on the annular tube 23;

in this embodiment, hot air can be delivered to the interior of the output pipe 20 by the exhaust fan 19, and the gas in the interior of the output pipe 20 can enter the interior of the cavity 24, so that the gas can be sprayed out through the plurality of groups of nozzles 25, and due to the inclined arrangement of the nozzles 25, the annular pipe 23 can be driven to rotate in the interior of the rotating cavity 22 by the pushing action of the reaction force of the air flow, so that the nozzles 25 rotate while spraying air, and thus the products in the interior of the preheating zone 12 can be uniformly preheated.

In one embodiment, as shown in fig. 1 to 4, the advection air draft assembly includes an advection air draft tube 16 fixed on the top of the inner cavity of the high temperature zone 11, a plurality of sets of air inlets 17 facilitating the entry of hot air are equidistantly arranged at the bottom end of the advection air draft tube 16, and the air inlets 17 are communicated with the inner cavity of the high temperature zone 11;

in this embodiment, when the exhaust fan 19 is in operation, the hot air inside the high temperature zone 11 can enter the interior of the advection exhaust pipe 16 through the air inlet 17, so as to realize the extraction of hot air, and meanwhile, because the advection exhaust pipe 16 is located inside the high temperature zone 11, the heat loss can be greatly reduced.

In one embodiment, as shown in fig. 1 to 4, a connecting pipe 18 is fixed at one end of the advection exhaust pipe 16 close to the exhaust fan 19, the other end of the connecting pipe 18 is connected with the input end of the exhaust fan 19, an output pipe 20 is fixed at the output end of the exhaust fan 19, the other end of the output pipe 20 penetrates through the preheating zone 12 and the fixed seat 21, and the output pipe 20 is communicated with the cavity 24;

in this embodiment, the connection between the advection exhaust pipe 16 and the suction fan 19 can be realized by means of the connection pipe 18, and the connection between the suction fan 19 and the cavity 24 can be realized by means of the output pipe 20.

In one embodiment, as shown in fig. 1-4, a sealing ring is arranged between the rotating cavity 22 and the annular tube 23 for increasing the sealing effect;

in this embodiment, the sealing effect between the rotating chamber 22 and the annular tube 23 can be increased by the seal ring, so that gas leakage can be prevented.

In one embodiment, as shown in fig. 1 to 4, the bottom of each of the two ends of the track 14 is fixed with a support frame 15 for supporting the track 14, and two sets of the support frames 15 are respectively located at one end of the preheating zone 12 and one end of the cooling zone 13 away from the high temperature zone 11;

in this embodiment, the support frame 15 can be used to support the rail 14, so as to facilitate the kiln car moving on the rail 14, and it should be noted that the bottom of the rail 14 is not in contact with the spray head 25.

The embodiment discloses an advection convulsions tunnel cave, when using, at first place the goods that need fire inside the kiln car on track 14, utilize track 14 to drive the kiln car and remove, thereby can drive the goods on the kiln car and remove, make the goods can pass the preheating zone in proper order, the high temperature area, the cooling zone, realize the processing to the goods, in this process, through control exhaust fan 19 work, make the inside steam of high temperature area 11 can get into the inside of advection exhaust column 16 through air intake 17, and carry to the inside of output tube 20 by connecting pipe 18, the inside gas of output tube 20 can get into the inside of cavity 24, make gas can spout through multiunit shower nozzle 25, because shower nozzle 25 slope sets up, consequently utilize the pushing effect of air current reaction force venturi tube, can drive ring 23 and rotate in the inside of rotation chamber 22, make shower nozzle 25 rotate while spouting, thereby can carry out even preheating to the goods inside preheating zone 12.

Claims

1. A horizontal-flow air-draft tunnel kiln comprises a high-temperature zone (11), wherein a preheating zone (12) is arranged on one side of the high-temperature zone (11), a cooling zone (13) is arranged on one side, away from the preheating zone (12), of the high-temperature zone (11), and a track (14) convenient for a kiln car to move is arranged inside the high-temperature zone (11), the preheating zone (12) and the cooling zone (13);

its characterized in that preheats the top in area (12) and is fixed with air exhauster (19), the inside top in high temperature area (11) is equipped with advection convulsions subassembly, the one end of advection convulsions subassembly is connected with the input of air exhauster (19), the output of air exhauster (19) is connected with and is used for annular tube (23) to the inside even preheating of preheating area (12), the inside equidistance of annular tube (23) is equipped with multiunit shower nozzle (25) of being convenient for with hot-blast outflow, and multiunit shower nozzle (25) slope sets up.

2. The advection-draft tunnel kiln according to claim 1, characterized in that a fixed seat (21) is fixed inside the preheating zone (12), a rotating cavity (22) is arranged in the middle of the fixed seat (21), the annular tube (23) is located inside the rotating cavity (22), the annular tube (23) is rotatably connected with the rotating cavity (22) through a bearing, and a cavity (24) communicated with the rotating cavity (22) is arranged on the annular tube (23).

3. The advection air-draft tunnel kiln according to claim 1, characterized in that the advection air-draft assembly comprises an advection air-draft tube (16) fixed at the top of the inner cavity of the high-temperature zone (11), a plurality of groups of air inlets (17) convenient for hot air to enter are equidistantly arranged at the bottom end of the advection air-draft tube (16), and the air inlets (17) are communicated with the inner cavity of the high-temperature zone (11).

4. The advection-induced draft tunnel kiln according to claim 3, characterized in that one end of the advection-induced draft tube (16) close to the exhaust fan (19) is fixed with a connecting pipe (18), the other end of the connecting pipe (18) is connected with the input end of the exhaust fan (19), the output end of the exhaust fan (19) is fixed with an output pipe (20), the other end of the output pipe (20) penetrates through the preheating zone (12) and the fixed base (21), and the output pipe (20) is communicated with the cavity (24).

5. The advection-induced draft tunnel kiln according to claim 2, characterized in that a sealing ring for increasing the sealing effect is arranged between the rotating cavity (22) and the annular tube (23).

6. The advection-draft tunnel kiln according to claim 1, characterized in that support frames (15) for supporting the rails (14) are fixed at the bottoms of the two ends of the rails (14), and the two sets of support frames (15) are respectively located at one ends of the preheating zone (12) and the cooling zone (13) far away from the high-temperature zone (11).