CN212962764U

CN212962764U - Environment-friendly natural gas tunnel cave with waste heat utilization function

Info

Publication number: CN212962764U
Application number: CN202021465543.8U
Authority: CN
Inventors: 毕文岳; 解桂涛; 周招阳; 毕德纯; 毕文霄; 王长山; 彭荣帅
Original assignee: Shandong Jiayue New Material Co ltd
Current assignee: Shandong Jiayue New Material Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-04-13
Anticipated expiration: 2030-07-23

Abstract

The utility model discloses an environment-friendly natural gas tunnel kiln with a waste heat utilization function, which comprises a main kiln, an intermediate pipe and an air guide pipe. The top of the main kiln is connected with a first induced draft fan through a suction port, and the hot air A heat exchange pipe is installed on the outside of the pipe, the bottom end of the water pump is fixedly installed on the upper left of the hot water exchange tank, a fixing rod is connected above the temperature sensor, and a water outlet is opened on the lower right of the hot water exchange tank, so the The left end of the middle pipe is connected to the bottom end of the hot air pipe, the top end of the air guide pipe is connected to the right end of the middle pipe, the output end of the second induced draft fan is connected with a branch pipe, and the air outlet is embedded in the drying kiln. internal. The environment-friendly natural gas tunnel kiln with waste heat utilization function can filter the dust in the hot gas extracted from the main kiln, and is conducive to the complete utilization of heat energy, and the waste heat recovery device is easy to disassemble and use.

Description

Environment-friendly natural gas tunnel cave with waste heat utilization function

Technical Field

The utility model relates to a natural gas tunnel cave technical field specifically is an environment-friendly natural gas tunnel cave with waste heat utilization function.

Background

In the metallurgical industry, production enterprises belong to energy consumption households, the main energy consumption processes are a high-temperature tunnel kiln and a fine powder drying furnace respectively, and because the proportion of natural gas or coal expenses in the production cost of the enterprises is large, energy conservation and emission reduction are constantly technical key points;

the utility model discloses a natural gas tunnel cave waste heat recovery device in the chinese utility model patent of grant bulletin number CN 203908296U, including main kiln and drying kiln, the chamber upper end of breathing in is connected with hot gas recovery pipeline, and it has a plurality of chambers of admitting air to open on drying kiln and the adjacent lateral wall of cooling space, and the hot gas recovery pipeline other end is connected to the chamber of admitting air. Carry heat recovery to drying kiln for preheat the drying to the blank, energy-concerving and environment-protective, heat utilization rate has been improved, production efficiency has been improved, but it can not carry out filtration treatment to the dust in the steam that draws in the main kiln, and be unfavorable for utilizing heat energy completely, and waste heat recovery device is not convenient for carry out the dismouting, be not convenient for use, consequently, we propose an environment-friendly natural gas tunnel cave with waste heat utilization function, so that solve the problem of proposing in the above-mentioned.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an environment-friendly natural gas tunnel cave with waste heat utilization function to solve the present natural gas tunnel cave that above-mentioned background art provided and can not carry out filtration treatment to the dust in the steam that draws in the main burner, and be unfavorable for utilizing heat energy completely, and waste heat recovery device is not convenient for carry out the dismouting, the problem of being not convenient for use.

In order to achieve the above object, the utility model provides a following technical scheme: an environment-friendly natural gas tunnel kiln with a waste heat utilization function comprises a main kiln, an intermediate pipe and a wind guide pipe, wherein the top end of the main kiln is connected with a first induced draft fan through an air suction port, the output end of the first induced draft fan is connected with a hot air pipe, the outer side of the hot air pipe is provided with a heat exchange pipe, the top end of the heat exchange pipe is connected with a water pump, the bottom end of the water pump is fixedly arranged at the upper left of a heat exchange water tank, a temperature sensor is arranged inside the heat exchange water tank, a fixed rod is connected above the temperature sensor, the top end of the fixed rod penetrates through the heat exchange water tank and is fixedly connected with the bottom end of a treatment box, the top of the treatment box is provided with a prompt lamp, the lower right of the heat exchange water tank is provided with a water outlet, the left side of the top, and the bottom of the middle pipe is provided with an ash outlet, the top end of the air guide pipe is connected to the right end of the middle pipe, the tail end of the air guide pipe is connected with a second induced draft fan, the output end of the second induced draft fan is connected with a branch pipe, the top end of the branch pipe is provided with an air outlet, the air outlet is embedded in the drying kiln, and blanks are arranged on the inner side of the drying kiln.

Preferably, the main kiln is connected with a first induced draft fan through a suction port with a horn-shaped structure, and the main kiln is communicated with the hot blast pipe through the first induced draft fan.

Preferably, the hot air pipe and the heat exchange pipe are fixedly connected by welding, the shape structure of the heat exchange pipe is a spiral structure, and the heat exchange pipe and the heat exchange water tank form a circulating structure through a water pump.

Preferably, the temperature sensor is fixedly installed in the middle of the heat exchange water tank through a fixing rod, and the temperature sensor is electrically connected with the processing box and the prompt lamp.

Preferably, the left end and the right end of the middle pipe are connected with the bottom end of the hot air pipe and the top end of the air guide pipe in a flange connection mode, the middle pipe is connected with the filter plate in an embedded mode, and the shape structure of the middle pipe is in a U-shaped structure.

Preferably, the second draught fan is communicated with the air outlet through a distribution pipe, and the air outlet is embedded and installed on the inner wall of the drying kiln at equal intervals.

Compared with the prior art, the beneficial effects of the utility model are that: the environment-friendly natural gas tunnel kiln with the waste heat utilization function can filter dust in hot gas extracted from a main kiln, is beneficial to completely utilizing heat energy, and is convenient to disassemble, assemble and use;

1. the spiral heat exchange tube is convenient for circulating water in the heat exchange water tank so as to absorb heat, improve the utilization rate of waste heat, facilitate the detection of the temperature of the water in the heat exchange water tank and facilitate the timely treatment of hot water;

2. through the U-shaped structure of the middle pipe and the filter plate embedded in the right end of the middle pipe, dust in the airflow can be conveniently filtered, and the dust can be conveniently treated through the dust outlet;

3. the air guide pipe discharges air flow through the branch pipe through the air outlet through the second draught fan, so that the blanks are conveniently air-dried through the air outlets embedded on the inner wall of the drying kiln at equal intervals, the generation of steam is reduced, and the improvement of the production efficiency is facilitated.

Drawings

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

FIG. 2 is a schematic view of the structure of the drying kiln of the present invention;

fig. 3 is a schematic view of the structure of the middle tube of the present invention.

In the figure: 1. a main kiln; 2. an air suction port; 3. a first induced draft fan; 4. a hot air pipe; 5. a heat exchange pipe; 6. a water pump; 7. a heat exchange water tank; 8. a temperature sensor; 9. fixing the rod; 10. a treatment tank; 11. a warning light; 12. a water outlet; 13. a water injection port; 14. an intermediate pipe; 15. an air guide pipe; 16. filtering the plate; 17. an ash outlet; 18. a second induced draft fan; 19. a connection pipe is connected; 20. an air outlet; 21. a drying kiln; 22. and (5) blank forming.

Detailed Description

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

Referring to fig. 1-3, the present invention provides a technical solution: an environment-friendly natural gas tunnel kiln with a waste heat utilization function comprises a main kiln 1, an air suction port 2, a first induced draft fan 3, a hot air pipe 4, a heat exchange pipe 5, a water pump 6, a heat exchange water tank 7, a temperature sensor 8, a fixing rod 9, a processing box 10, a prompting lamp 11, a water outlet 12, a water filling port 13, an intermediate pipe 14, an air guide pipe 15, a filter plate 16, an ash outlet 17, a second induced draft fan 18, a branch pipe 19, an air outlet 20, a drying kiln 21 and a blank 22, wherein the top end of the main kiln 1 is connected with the first induced draft fan 3 through the air suction port 2, the output end of the first induced draft fan 3 is connected with the hot air pipe 4, the heat exchange pipe 5 is installed on the outer side of the hot air pipe 4, the top end of the heat exchange pipe 5 is connected with the water pump 6, the bottom end of the water pump 6 is fixedly, and the top of the fixed link 9 runs through the heat exchange water tank 7 and is fixedly connected with the bottom of the processing box 10, and the top of the processing box 10 is provided with the indicator light 11, the right lower part of the heat exchange water tank 7 is provided with the water outlet 12, the left side of the top of the heat exchange water tank 7 is provided with the water filling port 13, the left end of the middle pipe 14 is connected with the bottom of the hot air pipe 4, the right end of the middle pipe 14 is internally provided with the filter plate 16, the bottom of the middle pipe 14 is provided with the ash outlet 17, the top of the air guide pipe 15 is connected with the right end of the middle pipe 14, the tail end of the air guide pipe 15 is connected with the second draught fan 18, the output end of the second draught fan 18 is connected with the branch connecting pipe 19, the top of the branch connecting pipe 19 is.

If in fig. 1, the main kiln 1 is connected with the first induced draft fan 3 through the air suction port 2 which is in a horn-shaped structure, and the main kiln 1 is communicated with the hot air pipe 4 through the first induced draft fan 3, which is convenient for sucking out the heat in the cooling area inside the main kiln 1, so as to facilitate the heat transfer, the hot air pipe 4 is fixedly connected with the heat exchange pipe 5 by welding, and the shape structure of the heat exchange pipe 5 is a spiral structure, and the heat exchange pipe 5 forms a circulating structure with the heat exchange water tank 7 through the water pump 6, so as to absorb the heat through the heat exchange pipe 5, the temperature sensor 8 is fixedly installed at the middle part of the heat exchange water tank 7 through the fixing rod 9, and the connection modes between the temperature sensor 8 and the processing tank 10 and between the processing tank 10 and the prompt lamp 11 are both electrically connected, so as to facilitate the timely detection of the.

For example, in fig. 3, the left and right ends of the middle tube 14 are connected to the bottom end of the hot air tube 4 and the top end of the air guiding tube 15 by flange connection, the middle tube 14 is connected to the filter plate 16 in an embedded manner, and the shape and structure of the middle tube 14 is a U-shaped structure, so that dust in the air flow can be conveniently filtered, and the blank 22 can be prevented from being affected by the air flow.

For example, in fig. 2, the second induced draft fan 18 is communicated with the air outlet 20 through the branch pipe 19, and the air outlet 20 is embedded and installed on the inner wall of the drying kiln 21 at equal intervals, so that the blank 22 is conveniently air-dried, and the production efficiency is favorably improved.

The working principle is as follows: when the environment-friendly natural gas tunnel kiln with the waste heat utilization function is used, a first induced draft fan 3 is started firstly, heat flow in a main kiln 1 is transferred to the inside of a hot air pipe 4 through an air suction port 2 in a horn-shaped structure, a water pump 6 is started simultaneously, the water pump 6 drives water in a heat exchange water tank 7 to circulate through a heat exchange pipe 5, cold water enters from the bottom end of the heat exchange pipe 5, heat of the heat flow in the hot air pipe 4 is absorbed through a spiral structure of the heat exchange pipe 5, hot water absorbed into the heat exchange water tank 7 is then led into the heat exchange water tank 7 through the water pump 6 so as to absorb heat circularly, the temperature of the water is detected through a temperature sensor 8 with the model of TR/02010, when the temperature reaches a preset temperature, a prompt lamp 11 is controlled through a treatment tank 10 so as to discharge the hot water in the heat exchange water tank 7 through a water outlet 12, cold water is injected into the heat exchange water tank 7 through the water injection port 13, so that the heat can be recycled and absorbed, the absorbed air enters the middle pipe 14 in the U-shaped structure through the tail end of the hot air pipe 4, meanwhile, the dust in the air flow is filtered by matching with the filter plate 16 inside the right end of the middle pipe 14, so that the dust can be discharged through the dust outlet 17, meanwhile, the left end and the right end of the middle pipe 14 are connected with the hot air pipe 4 and the air guide pipe 15 in a flange connection mode, so that the disassembly is convenient, then the air flow is transmitted into the branch pipe 19 through the air guide pipe 15 by the second draught fan 18, so that the blank 22 on the kiln car inside the drying kiln 21 can be air-dried through the air outlet 20, the generation of steam is avoided, the production efficiency is improved, and the whole working process of the environment-friendly natural gas tunnel kiln with the waste heat utilization function is realized, those not described in detail in this specification are within the skill of the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an environment-friendly natural gas tunnel cave with waste heat utilization function, includes main kiln (1), intermediate pipe (14) and guide duct (15), its characterized in that: the top of the main kiln (1) is connected with a first draught fan (3) through an air suction port (2), the output end of the first draught fan (3) is connected with a hot air pipe (4), a heat exchange pipe (5) is installed on the outer side of the hot air pipe (4), the top end of the heat exchange pipe (5) is connected with a water pump (6), the bottom end of the water pump (6) is fixedly installed on the upper left side of a heat exchange water tank (7), a temperature sensor (8) is installed inside the heat exchange water tank (7), a fixing rod (9) is connected above the temperature sensor (8), the top end of the fixing rod (9) penetrates through the heat exchange water tank (7) and is fixedly connected with the bottom end of a processing box (10), a prompt lamp (11) is installed at the top of the processing box (10), a water outlet (12) is formed in the right lower side of the heat exchange water tank (7), the left end of intermediate pipe (14) is connected in the bottom of hot-blast main (4), and the right-hand member internally mounted of intermediate pipe (14) has filter plate (16) to ash hole (17) have been seted up to the bottom of intermediate pipe (14), the right-hand member in intermediate pipe (14) is connected on the top of guide duct (15), and the end-to-end connection of guide duct (15) has second draught fan (18), the output of second draught fan (18) is connected with and divides takeover (19), and divides the top of takeover (19) to install air outlet (20), air outlet (20) are inlayed in the inside of drying kiln (21), and the inboard of drying kiln (21) is provided with blank (22).

2. The environment-friendly natural gas tunnel kiln with the waste heat utilization function as claimed in claim 1, wherein: the main kiln (1) is connected with a first induced draft fan (3) through an air suction port (2) with a horn-shaped structure, and the main kiln (1) is communicated with a hot blast pipe (4) through the first induced draft fan (3).

3. The environment-friendly natural gas tunnel kiln with the waste heat utilization function as claimed in claim 1, wherein: the hot air pipe (4) is fixedly connected with the heat exchange pipe (5) in a welding mode, the heat exchange pipe (5) is in a spiral structure, and the heat exchange pipe (5) and the heat exchange water tank (7) form a circulating structure through the water pump (6).

4. The environment-friendly natural gas tunnel kiln with the waste heat utilization function as claimed in claim 1, wherein: temperature sensor (8) are through dead lever (9) fixed mounting in the middle part of heat exchange water tank (7), and temperature sensor (8) and handle between case (10) and handle the connected mode between case (10) and warning light (11) and be electric connection.

5. The environment-friendly natural gas tunnel kiln with the waste heat utilization function as claimed in claim 1, wherein: the left end and the right end of the middle pipe (14) are connected with the bottom end of the hot air pipe (4) and the top end of the air guide pipe (15) in a flange connection mode, the middle pipe (14) is connected with the filter plate (16) in an embedded mode, and the shape structure of the middle pipe (14) is in a U-shaped structure.

6. The environment-friendly natural gas tunnel kiln with the waste heat utilization function as claimed in claim 1, wherein: and the second induced draft fan (18) is communicated with the air outlet (20) through a distribution pipe (19), and the air outlet (20) is embedded and installed on the inner wall of the drying kiln (21) at equal intervals.