CN212299415U

CN212299415U - Direct combustion type gas hot air device

Info

Publication number: CN212299415U
Application number: CN202020351796.6U
Authority: CN
Inventors: 明义龙; 黄小龙; 王付华; 马开新
Original assignee: China Energy Huabang Environmental Protection Technology Co Ltd
Current assignee: China Energy Huabang Environmental Protection Technology Co Ltd
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2021-01-05
Anticipated expiration: 2030-03-19

Abstract

The utility model discloses a direct combustion formula gas hot-blast apparatus, including mixing intracavity casing, heat preservation device and shell body, be provided with the heat preservation device between mixing intracavity casing and the shell body, the foremost inboard of mixing intracavity casing is provided with an inside burning section of thick bamboo, and an inside burning section of thick bamboo is connected on the combustor, and the front end and the tail end of mixing intracavity casing are provided with the import of a wind and overgrate air respectively and import. The utility model discloses direct combustion formula gas hot air blast apparatus, the heat that the combustor produced is arranged to the mixing chamber interior casing through inside a burning section of thick bamboo inside, by export draught fan with the inside hot-air outgoing heat supply of mixing chamber interior casing, tail end position at the mixing chamber interior casing is provided with the overgrate air import, prevent that whole equipment inner tube air current is not enough to arouse the negative pressure, be provided with temperature probe in outlet pipe department, can be used to control the operating condition of combustor, this direct combustion formula gas hot air blast apparatus can use different gas fuel, have simple structure and keep warm advantage such as effectual.

Description

Direct combustion type gas hot air device

Technical Field

The utility model relates to a gas hot-blast furnace technical field specifically is a direct combustion formula gas hot-blast apparatus.

Background

Through long-term production practices, it has been recognized that the heat utilization and the thermal working effect can be improved more only by using hot air as a medium and a carrier; in the traditional electric heat source and steam heat power, a plurality of circulating fans are usually arranged in the conveying process, so that hot air is formed to be dried or heated indirectly; the process obviously has the defects of large energy waste, excessive accessory equipment, complex process and the like. In order to solve the problems, the gas hot blast stove is produced, and when the existing gas hot blast stove is used, the structure is complex and the heat preservation effect is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a direct combustion formula gas hot air device has simple structure and keeps warm advantage such as effectual, can solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a direct combustion formula gas hot-blast apparatus, includes mixing intracavity casing, heat preservation device and shell body, mixing intracavity casing be located the shell body the inboard and with be provided with the heat preservation device between the shell body, mixing intracavity casing the foremost inboard be provided with inside combustion section of thick bamboo, inside combustion section of thick bamboo is connected on the combustor, mixing intracavity casing's front end is provided with the wind import once, the wind import once passes the outside that heat preservation device and shell body extend to the shell body, mixing intracavity casing's tail end is provided with the overgrate air import, the overgrate air import also passes heat preservation device and shell body and extends to the outside of shell body, mixing intracavity casing's tail end still is connected on the export draught fan, be provided with outlet pipe on the export draught fan, outlet pipe installs the temperature probe.

Preferably, the bottom of the outer shell is provided with an integral support.

Preferably, the number of the primary air inlets is three, and the primary air inlets are annularly distributed at the front end of the outer shell.

Preferably, a plurality of air holes are annularly formed in the tail of the internal combustion cylinder.

Preferably, the anterior segment of mixing intracavity casing is the straight cylinder type, and the centre is the toper and diminishes, and the tail end is the straight cylinder type, and the export of mixing intracavity casing is through reducing connection to on the export draught fan.

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

the utility model discloses direct combustion formula gas hot air blast apparatus, the heat that the combustor produced is arranged to the mixing chamber interior casing through inside a burning section of thick bamboo inside, by export draught fan with the inside hot-air outgoing heat supply of mixing chamber interior casing, tail end position at the mixing chamber interior casing is provided with the overgrate air import, prevent that whole equipment inner tube air current is not enough to arouse the negative pressure, be provided with temperature probe in outlet pipe department, can be used to control the operating condition of combustor, this direct combustion formula gas hot air blast apparatus can use different gas fuel, have simple structure and keep warm advantage such as effectual.

Drawings

Fig. 1 is a schematic view of a direct-fired gas hot air device of the present invention.

In the figure: 1. a burner; 2. an internal combustion can; 3. a mixing chamber inner shell; 4. a heat preservation device; 5. an outer housing; 6. an integral support; 7. a primary air inlet; 8. an outlet induced draft fan; 9. a secondary air inlet; 10. an outlet conduit; 11. a temperature measuring probe.

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, a direct-combustion gas hot air device comprises a mixing chamber inner shell 3, a heat preservation device 4 and an outer shell 5, wherein the mixing chamber inner shell 3 is positioned at the inner side of the outer shell 5, the heat preservation device 4 is arranged between the mixing chamber inner shell 3 and the outer shell 5, an integral support 6 is arranged at the bottom of the outer shell 5, an inner combustion cylinder 2 is arranged at the most front end inner side of the mixing chamber inner shell 3, the inner combustion cylinder 2 is connected to a burner 1, a plurality of air holes are annularly arranged at the tail part of the inner combustion cylinder 2, heat generated by the burner 1 is discharged into the mixing chamber inner shell 3 through the inner combustion cylinder 2, hot air in the mixing chamber inner shell 3 is discharged by an outlet induced draft fan 8 for heat supply, a primary air inlet 7 is arranged at the front end of the mixing chamber inner shell 3, the primary air inlet 7 penetrates through the heat preservation device 4 and the outer shell 5 to extend to the outer side, the tail end of the inner shell 3 of the mixing cavity is provided with a secondary air inlet 9, the secondary air inlet 9 also passes through the heat preservation device 4 and the outer shell 5 and extends to the outer side of the outer shell 5, the tail end position of the inner shell 3 of the mixing cavity is provided with the secondary air inlet 9 to prevent negative pressure caused by insufficient air flow of the inner cylinder of the whole equipment, the tail end of the inner shell 3 of the mixing cavity is also connected to an outlet induced draft fan 8, the front section of the inner shell 3 of the mixing cavity is in a straight cylinder shape, the middle part of the inner shell 3 of the mixing cavity is tapered and reduced, the tail end of the inner shell 3 of the mixing cavity is in a straight cylinder shape, the outlet of the inner shell 3 of the mixing cavity is connected to the outlet induced draft fan 8 through reducing, heat generated by the combustor 1 is discharged into the inner shell 3 of the mixing cavity through an internal combustion cylinder 2, the outlet pipeline 10 is provided with the temperature probe 11 and can be used for controlling the working state of the burner 1, the direct-fired gas hot air device can use different gas fuels and has the advantages of simple structure, good heat preservation effect and the like, the outlet draught fan 8 is provided with the outlet pipeline 10, the temperature probe 11 is installed at the outlet pipeline 10, the temperature probe 11 is arranged at the outlet pipeline 10 and can be used for controlling the working state of the burner 1, and the heat preservation effect is good.

The working principle is as follows: the heat that combustor 1 produced is arranged to mixing intracavity casing 3 inside through inside combustion section of thick bamboo 2, the hot-air outgoing heat supply of mixing intracavity casing 3 inside is drawn by export draught fan 8, tail end position at mixing intracavity casing 3 is provided with overgrate air import 9, prevent that the whole equipment inner tube air current is not enough to arouse the negative pressure, 10 department at the export pipeline is provided with temperature probe 11, can be used to control the operating condition of combustor 1, this direct combustion formula gas hot air device can use different gas fuel, have advantages such as simple structure and heat preservation are effectual.

To sum up, the utility model discloses direct combustion formula gas hot air blast apparatus, the heat that combustor 1 produced is arranged to mixing intracavity casing 3 inside through inside combustion section of thick bamboo 2, by export draught fan 8 with mixing intracavity casing 3 inside hot-air exhaust heat supply, tail end position at mixing intracavity casing 3 is provided with overgrate air import 9, prevent that the whole equipment inner tube air current is not enough to arouse the negative pressure, locate to be provided with temperature probe 11 at outlet pipe 10, can be used to control combustor 1's operating condition, this direct combustion formula gas hot air blast apparatus can use different gas fuel, have simple structure and keep warm advantage such as effectual.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a direct combustion formula gas hot blast apparatus, includes mixing intracavity casing (3), heat preservation device (4) and shell body (5), its characterized in that: the mixing chamber inner shell (3) is positioned on the inner side of the outer shell (5) and is provided with a heat preservation device (4) between the inner side of the outer shell (5) and the outer shell (5), the most front end inner side of the mixing chamber inner shell (3) is provided with an internal combustion cylinder (2), the internal combustion cylinder (2) is connected to the combustor (1), the front end of the mixing chamber inner shell (3) is provided with a primary air inlet (7), the primary air inlet (7) penetrates through the heat preservation device (4) and the outer shell (5) to extend to the outer side of the outer shell (5), the tail end of the mixing chamber inner shell (3) is provided with a secondary air inlet (9), the secondary air inlet (9) also penetrates through the heat preservation device (4) and the outer shell (5) to extend to the outer side of the outer shell (5), the tail end of the mixing chamber inner shell (3) is also connected to an outlet draught fan (8), the outlet, and a temperature measuring probe (11) is arranged at the outlet pipeline (10).

2. A direct combustion gas fired hot air appliance as in claim 1 wherein: and an integral support (6) is arranged at the bottom of the outer shell (5).

3. A direct combustion gas fired hot air appliance as in claim 1 wherein: the number of the primary air inlets (7) is three, and the primary air inlets are annularly distributed at the front end of the outer shell (5).

4. A direct combustion gas fired hot air appliance as in claim 1 wherein: the tail part of the internal combustion cylinder (2) is annularly provided with a plurality of air holes.

5. A direct combustion gas fired hot air appliance as in claim 1 wherein: the anterior segment of mixing intracavity casing (3) is straight cylinder type, and the centre is the toper and diminishes, and the tail end is straight cylinder type, and the export of mixing intracavity casing (3) is connected to on exporting draught fan (8) through the reducing.