CN210601695U

CN210601695U - Flue gas full-circulation hot blast stove

Info

Publication number: CN210601695U
Application number: CN201921260112.5U
Authority: CN
Inventors: 魏勇; 李冬志
Original assignee: Henan Yuyuan Boiler Machinery Co ltd
Current assignee: Henan Yuyuan Boiler Machinery Co ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-05-22
Anticipated expiration: 2029-08-06

Abstract

The utility model discloses a flue gas full-circulation hot blast stove, which comprises a supporting shell, wherein an internal heating pipe is arranged inside the supporting shell, a spiral clapboard is welded between the internal heating pipe and the inner side of the supporting shell, a combustion chamber is arranged inside the internal heating pipe, a gas release pipe is arranged at one end inside the combustion chamber, a gas release head is evenly arranged outside the gas release pipe, the upper end of one side of the combustion chamber is connected with the air inlet of the filtering shell through a guide pipe, gas can be filtered through a filter plate, the filtered flue gas enters the inside of a heat exchange pipe, the gas can be extracted into the preheating barrel through an air extracting pump, the gas entering the preheating barrel can be heated through the heat exchange pipe, thereby being preheated, the flue gas full-circulation hot blast stove has simple structure and convenient operation, and not only ensures that the utilization rate of the heat of the flue gas is high, but also the heating is quicker, thereby providing convenience for people.

Description

Flue gas full-circulation hot blast stove

Technical Field

The utility model relates to a hot-blast furnace technical field specifically is a flue gas full cycle hot-blast furnace.

Background

In the hot blast stove in the prior art, flue gas is directly treated by entering a dust remover after being lifted to a certain temperature by a heat exchanger, and is directly discharged after being treated, the temperature of the discharged flue gas is still high, so that the energy waste is caused, the structure of the existing device is complex, the air heating efficiency is low, and the requirements of people cannot be met.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a flue gas complete cycle hot-blast furnace, simple structure, it is easy and simple to handle, not only make the thermal utilization ratio of flue gas high, make the heating faster moreover, for people provide convenience, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a flue gas full-circulation hot blast stove comprises a supporting shell, wherein an internal heating pipe is arranged inside the supporting shell, a spiral partition plate is welded between the internal heating pipe and the inner side of the supporting shell, a combustion chamber is arranged inside the internal heating pipe, a fuel gas release pipe is arranged at one end inside the combustion chamber, fuel gas release heads are uniformly arranged on the outer side of the fuel gas release pipe, the upper end of one side of the combustion chamber is connected with an air inlet of the filtering shell through a guide pipe, a filtering plate is arranged inside the filtering shell, four supporting seats on the upper surface of the supporting shell are connected with a preheating barrel, a heat exchange pipe is arranged inside the preheating barrel, the air inlet of the heat exchange pipe is connected with the air inlet at the upper end of the filtering shell through the guide pipe, an air outlet of the heat exchange pipe is connected with a flue gas outlet, and the air outlet of the flue, the air inlet of one end of the preheating barrel is connected with the air inlet of the air pump through a guide pipe, the air outlet of the other end of the preheating barrel is connected with the air inlet of the left side of the upper end of the supporting shell through a guide pipe, the right end of the front surface of the supporting shell is provided with an air outlet pipe, and the input end of the air pump is electrically connected with the output end of the external switch through the external switch.

As an optimized technical scheme of the utility model, there are two support bases support shell's lower surface through bolted connection, and two support bases are the toper structure.

As a preferred technical scheme of the utility model, the outside even welding of inside heating pipe has the heat dissipation otic placode, and the one end of heat dissipation otic placode runs through and extends to the inside of inside heating pipe, evenly is equipped with the through-hole on the heat dissipation otic placode.

As the utility model discloses a preferred technical scheme, the filter includes the supporting network, and the lower surface of supporting network is equipped with the active carbon adsorption layer, and the lower surface of active carbon adsorption layer is equipped with the filtration sponge.

As an optimized technical scheme of the utility model, the heat exchange tube is the heliciform structure to the heat exchange tube is the toper structure.

Compared with the prior art, the beneficial effects of the utility model are that: the filter has been set up on this flue gas full cycle hot-blast furnace, can filter gas through the filter, and the flue gas after the filtration enters into the inside of heat exchange tube, can extract the inside of preheating the bucket with gas through the aspiration pump, can preheat the inside gas heating of bucket through entering into through the heat exchange tube, preheat with this, this flue gas full cycle hot-blast furnace simple structure, and is easy and simple to handle, not only makes the thermal utilization ratio of flue gas high, and it is faster to make the heating moreover, provides convenience for people.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the cross-sectional structure of the present invention.

In the figure: the device comprises a spiral partition plate 1, a heat exchange tube 2, a preheating barrel 3, an air pump 4, a filter shell 5, a filter plate 6, a support shell 7, a fuel gas release tube 8, an air outlet tube 9, an internal heating tube 10, a heat dissipation ear plate 11, a smoke outlet tube 12, a support seat 13 and a support base 14.

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. 1-2, the present invention provides a technical solution: a flue gas full-circulation hot blast stove comprises a supporting shell 7, an internal heating pipe 10 is arranged inside the supporting shell 7, a spiral partition plate 1 is welded between the internal heating pipe 10 and the inner side of the supporting shell 7, a combustion chamber is arranged inside the internal heating pipe 10, a gas release pipe 8 is arranged at one end inside the combustion chamber, gas release heads are uniformly arranged on the outer side of the gas release pipe 8, the upper end of one side of the combustion chamber is connected with a gas inlet of a filtering shell 5 through a guide pipe, a filtering plate 6 is arranged inside the filtering shell 5, four supporting seats 13 on the upper surface of the supporting shell 7 are connected with a preheating barrel 3, a heat exchange pipe 2 is arranged inside the preheating barrel 3, the gas inlet of the heat exchange pipe 2 is connected with the gas inlet at the upper end of the filtering shell 5 through a guide pipe, a gas outlet at the upper end of the filtering shell 5 is connected with a smoke outlet pipe 12, and a gas outlet, an air inlet at one end of the preheating barrel 3 is connected with an air inlet of the air pump 4 through a guide pipe, an air outlet at the other end of the preheating barrel 3 is connected with an air inlet at the left side of the upper end of the supporting shell 7 through a guide pipe, an air outlet pipe 9 is arranged at the right end of the front surface of the supporting shell 7, filtered flue gas enters the inside of the heat exchange pipe 2, the air can be pumped into the preheating barrel 3 through the air pump 4, the air entering the inside of the preheating barrel 3 can be heated through the heat exchange pipe 2 so as to be preheated, the input end of the air pump 4 is electrically connected with the output end of the external switch through the external switch, the lower surface of the supporting shell 7 is connected with two supporting bases 14 through bolts, the two supporting bases 14 are of a conical structure, the device is supported more firmly through the supporting bases 14, the heat dissipation lug plates 11 are uniformly welded on the outside of the internal heating pipe 10, evenly be equipped with the through-hole on the heat dissipation otic placode 11, it is quicker to make to gas heating through heat dissipation otic placode 11, for people provide convenience, filter 6 includes the supporting network, the lower surface of supporting network is equipped with the active carbon adsorption layer, the lower surface of active carbon adsorption layer is equipped with the filtration sponge, can filter gas through filter 6, heat exchange tube 2 is the heliciform structure, and heat exchange tube 2 is the toper structure, heat exchange tube 2 through the toper structure makes heat exchange efficiency faster, this flue gas full cycle hot-blast furnace simple structure, and is simple and convenient to operate, not only make the thermal utilization ratio of flue gas high, and make the heating more quick, for people provide convenience.

When in use: release the inside of burning chamber through gas release pipe 8 with the gas, heat with this, the flue gas enters into the inside of filter housing 5 through the pipe, then can filter gas through filter 6, and the flue gas after the filtration enters into the inside of heat exchange tube 2, can extract the inside of preheating bucket 3 with gas through aspiration pump 4, can heat the gas that enters into preheating bucket 3 inside through heat exchange tube 2, preheat with this, the gas after preheating enters into the heating intracavity portion between inside heating pipe 10 and the support housing 7, heat with this.

The utility model discloses a filter 6 can filter gas to the flue gas after the filtration enters into the inside of heat exchange tube 2, can extract gas to the inside of preheating bucket 3 through aspiration pump 4, can preheat the inside gas heating of bucket 3 through entering into through heat exchange tube 2, preheat with this, this flue gas full cycle hot-blast furnace simple structure, and is easy and simple to handle, not only makes the thermal utilization ratio of flue gas high, makes the heating faster moreover, provides convenience for people.

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 flue gas full cycle hot-blast furnace, includes supporting shell (7), its characterized in that: the internal heating pipe (10) is arranged inside the supporting shell (7), the spiral partition plate (1) is welded between the internal heating pipe (10) and the inner side of the supporting shell (7), a combustion chamber is arranged inside the internal heating pipe (10), a gas release pipe (8) is arranged at one end inside the combustion chamber, gas release heads are uniformly arranged outside the gas release pipe (8), the upper end of one side of the combustion chamber is connected with a gas inlet of the filtering shell (5) through a guide pipe, a filtering plate (6) is arranged inside the filtering shell (5), four supporting seats (13) on the upper surface of the supporting shell (7) are connected with a preheating barrel (3), a heat exchange pipe (2) is arranged inside the preheating barrel (3), the gas inlet of the heat exchange pipe (2) is connected with the gas inlet at the upper end of the filtering shell (5) through a guide pipe, and the gas outlet at the upper end of the filtering shell (, the gas outlet of heat exchange tube (2) is connected with out tobacco pipe (12), and the gas outlet of going out tobacco pipe (12) runs through and extends to the outside of preheating bucket (3), the one end air inlet of preheating bucket (3) is passed through the pipe and is connected with the air inlet of aspiration pump (4), the other end gas outlet of preheating bucket (3) is passed through the pipe and is connected with the upper end left side air inlet of support housing (7), and the front surface right-hand member of support housing (7) is equipped with out tuber pipe (9), the input electricity of aspiration pump (4) is connected through external switch and external switch's output electricity and is connected.

2. The full-circulation flue gas hot blast stove according to claim 1, characterized in that: the lower surface of the supporting shell (7) is connected with two supporting bases (14) through bolts, and the two supporting bases (14) are of a conical structure.

3. The full-circulation flue gas hot blast stove according to claim 1, characterized in that: the outside even welding of inside heating pipe (10) has heat dissipation otic placode (11), and the one end of heat dissipation otic placode (11) runs through and extends to the inside of inside heating pipe (10), evenly is equipped with the through-hole on heat dissipation otic placode (11).

4. The full-circulation flue gas hot blast stove according to claim 1, characterized in that: the filter (6) includes the supporting network, and the lower surface of supporting network is equipped with the active carbon adsorption layer, and the lower surface on active carbon adsorption layer is equipped with the filtration sponge.

5. The full-circulation flue gas hot blast stove according to claim 1, characterized in that: the heat exchange tube (2) is of a spiral structure, and the heat exchange tube (2) is of a conical structure.