CN217737263U

CN217737263U - Return air furnace convenient for adjusting firepower

Info

Publication number: CN217737263U
Application number: CN202222038157.6U
Authority: CN
Inventors: 吴贵
Original assignee: Anshun City Xixiu District Changshun Energy Saving Return Air Furnace Factory
Current assignee: Anshun City Xixiu District Changshun Energy Saving Return Air Furnace Factory
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2022-11-04
Anticipated expiration: 2032-08-04

Abstract

The utility model discloses a conveniently adjust return air furnace of firepower size, including the furnace body, the furnace body is including base, furnace shaft, panel, the chamber of discharging fume, discharge fume pipe, wick, grate crank and ash bin, be equipped with in the base with the communicating firepower adjustment mechanism of wick, firepower adjustment mechanism is including a support section of thick bamboo, sealed apron, back shaft and apron crank, during the support section of thick bamboo was located to the grate, the front end of grate crank passed a support section of thick bamboo and grate fixed connection, and its rear end passes the side of base and extends to the base outside, and sealed apron passes through the back shaft and locates in the base, and the apron crank passes the side and sealed apron fixed connection of base. Adopt return air stove, be used for plugging up a supporting cylinder through the sealed apron that sets up, realize having simple structure, operation and convenient to use, safe practical to getting into the regulation of wick air volume.

Description

Return air furnace convenient for adjusting firepower

Technical Field

The utility model relates to a burning stove technical field among the daily life, specifically speaking are return air stoves of convenient regulation firepower size.

Background

The air return furnace is a common heating device for heating or cooking by burning coal or other biomass fuels, and mainly comprises a furnace body for heat insulation, a furnace core is arranged in the furnace body, the coal or biomass and other fuels are placed in the furnace core to generate heat after being burned, and the aim of heating is achieved by radiating the heat outwards through the furnace body. Aiming at different requirements, return air furnaces with different structures and functions are developed in the existing market, but most of the return air furnaces used at present adopt spontaneous combustion on combustion, the control on the firepower is generally realized by an inner cover arranged at the top of a furnace core, and when the fire is needed urgently, the return air furnaces are required to wait for a long time, so that the waste of time is caused; in addition, when the fire is high and fire is not needed, the inner cover is adopted to seal the top of the furnace core, so that the purpose of fire stopping is achieved. Meanwhile, when fire is needed, fire tongs are usually needed to prick vent holes in fuel or shake a furnace bridge to circulate air, so that fuel which is not completely combusted falls into an ash box, the usage amount of the fuel is increased, and waste and inconvenience are caused.

Through retrieval, the Chinese patent (No. CN 201935220U) discloses an energy-saving fast combustion furnace convenient for adjusting firepower, which comprises a furnace surface, a furnace body and a base, wherein a furnace core is arranged in the furnace body, a furnace bridge is arranged at the bottom of the furnace core, and a rocking handle is connected at the bottom of the furnace bridge; a sealing plate is arranged at the bottom of the base, two partition plates are arranged on the sealing plate, and an ash box is arranged between the partition plates and the sealing plate; a natural air inlet with a natural air inlet switch and an air blower air inlet with an air blower air inlet switch are respectively arranged on the base; a discharge flue is arranged on the furnace surface and the furnace body; an outer sleeve is arranged on the outer side of the furnace core, and a heat conducting plate is arranged between the outer sleeve and the inner wall of the furnace core. The utility model discloses improve wick and base, make its convenience adjust the firepower in the stove, can keep the heat preservation state of stove fire, can let the stove fire burn rapidly in the short time again when the urgent need is with the fire, convenient operation moreover can avoid not having the fuel of abundant burning to fall into the ash bin, and is handsome in appearance simultaneously, convenient to use, energy-conserving effect ideal.

Chinese patent (No. CN 211926505U) discloses an energy-saving emission-reducing gasification environment-friendly furnace, wherein a furnace core seat is fixedly arranged on a pedal, the outer surface of the furnace core seat is sleeved at the lower end of a furnace core, a plurality of ventilation holes which are penetrated oppositely are arranged at the upper end of the furnace core, an inner barrel is sleeved outside the furnace core, refractory mortar is condensed between the lower end of the furnace core and the lower end of the inner barrel, a gap between the upper end of the furnace core and the upper end of the inner barrel is sealed by a sealing plate, the side surface of the inner barrel is fixedly connected with an air inlet pipe, the lower end of the air inlet pipe is communicated with an air inlet arranged on the pedal, an outer barrel is arranged outside the inner barrel, the upper end and the lower end of the outer barrel are respectively connected with the pedal and a panel, the side surface is fixedly connected with a flue, feed inlets are inserted into holes respectively arranged on the inner barrel, the furnace core seat is fixedly provided with 2 furnace bridges, 3 furnace bridges are fixedly connected with furnace bridge pull rods, and a fire sealing plate is arranged below the furnace bridges. The utility model discloses the firepower rises fast, can in time descend, and dust and toxic gas are difficult to spout when opening from charge door and bell, and the indoor environment that pollutes is little and produce the influence few to the human body.

Although the purpose of adjusting the heating power can be achieved as is apparent from the disclosures of the two searched patent documents, the first patent document requires a blower, which increases the cost; in the second patent document, a fire banking plate is mainly used, and a pull rod of the fire banking plate is pulled to move the fire banking plate to block the furnace bridge during fire banking. In order to be convenient to carry out the shutoff to the grate to provide a simple structure, can pivoted banking up a fire structure, the convenience is adjusted the firepower size, thereby satisfies different users' user demand.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to the problem that exists among the background art, provide a simple structure, operation and convenient to use's return air stove utilizes this return air stove, through the air volume of adjusting entering stove core bottom to this realizes that the firepower size is adjusted, thereby improves the combustion efficiency of return air stove, can not only reach energy saving and emission reduction's purpose, can also reduce fuel cost, specifically speaking is the return air stove of conveniently adjusting the firepower size.

For solving the technical problem, the utility model discloses the technical scheme who adopts does: the utility model provides a convenient return air stove of adjusting firepower size, including the furnace body, the furnace body is including the base, sets up the furnace shaft on the base and the panel that is fixed in the furnace shaft top to and with communicating chamber of discharging fume and the pipe of discharging fume of furnace shaft still be equipped with the wick in the furnace shaft, and be equipped with under the wick the grate and drive the grate crank that the grate rocked still be equipped with the ash box in the base, the ash box is located under the grate, and the side of furnace base is equipped with the confession the opening of ash box free business turn over be equipped with in the base with communicating firepower adjustment mechanism of wick, firepower adjustment mechanism is including supporting cylinder, sealed apron, back shaft and apron crank, supporting cylinder is both ends open-ended drum structure, supporting cylinder is fixed in the base, and be located under the grate, the grate sets up in supporting cylinder, the front end of grate crank passes supporting cylinder and grate fixed connection, and its rear end passes the side of base and extends to the outside the sealed apron passes through the sealed apron and the sealed connection of opening degree of supporting cylinder is connected the sealed apron, and the sealed connection of supporting cylinder bottom is connected the sealed apron, and the sealed connection of supporting cylinder is in the opening degree.

Furthermore, the air return furnace convenient for adjusting the fire power of the utility model is characterized in that the sealing cover plate is an integrated structure consisting of a disc body and a supporting arm, the disc body is a circular structure, the outer diameter of the disc body is larger than the outer diameter of the supporting cylinder, a through hole corresponding to the supporting shaft is arranged in the supporting arm, the supporting shaft passes through the through hole in the supporting arm and is fixedly connected with the top of the base in a vertical state, and the sealing cover plate is rotatably connected with the supporting shaft through the supporting arm; the cover plate crank penetrates through the side face of the base and is fixedly connected with a supporting arm in the sealing cover plate.

Further, a conveniently adjust return air stove of firepower size, wherein the side of base still be equipped with the corresponding notch of apron crank, the notch is followed the circumference of base is arranged, under the exogenic action, the apron crank passes through the notch is removed about the circumference of base, drives sealed apron and rotates around the back shaft to disk body through among the sealed apron is used for adjusting the degree of opening and shutting of support bobbin base opening part, realizes the firepower size and adjusts.

Further, a conveniently adjust return air stove of firepower size, wherein firepower adjustment mechanism still includes gag lever post and connecting rod, the gag lever post is fixed in the support section of thick bamboo outside of keeping away from back shaft one end, the connecting rod is located the support section of thick bamboo below, its one end with gag lever post fixed connection, the other end is fixed with the internal face of base, through the gag lever post that sets up, is used for the restriction sealed apron centers on back shaft pivoted rotatory stroke under the effect of external force.

By adopting the air return furnace convenient for adjusting firepower, the firepower adjusting mechanism communicated with the furnace core is arranged in the base, the firepower adjusting mechanism comprises a supporting cylinder, a sealing cover plate, a supporting shaft, a cover plate crank, a limiting rod and a connecting rod, the sealing cover plate can rotate around the supporting shaft under the action of the cover plate crank, and the sealing cover plate can be in contact connection with the bottom opening of the supporting cylinder in the rotating process, so that the opening and closing degree of the bottom opening of the supporting cylinder is controlled; simultaneously, utilize the gag lever post to be used for the restriction sealed apron centers on back shaft pivoted rotatory stroke under the effect of external force, through the air volume of adjusting entering stove core bottom, realizes the firepower size and adjusts to improve the combustion efficiency of return air furnace, can not only reach energy saving and emission reduction's purpose, can also reduce fuel cost. Adopt return air stove, be used for plugging up a supporting cylinder through the sealed apron that sets up, realize having simple structure, operation and convenient to use, safe practical to getting into the regulation of stove core air volume.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic perspective view of the fire adjusting mechanism of the present invention;

fig. 3 is a schematic view showing a first structural state of the fire power adjusting mechanism in use according to the present invention;

fig. 4 is a schematic diagram of a structural state of the fire adjusting mechanism in use according to the present invention.

Shown in the figure: 1-furnace body, 11-base, 12-furnace body, 13-panel, 14-smoke exhaust cavity, 15-smoke exhaust pipe, 16-furnace bridge, 17-furnace bridge crank, 2-supporting cylinder, 3-sealing cover plate, 31-tray body, 32-supporting arm, 4-supporting shaft, 5-cover plate crank, 51-notch, 6-limiting rod and 7-connecting rod.

Detailed Description

To further illustrate the concept of the present invention, the following embodiments of the present invention will be further described with reference to the accompanying drawings:

as shown in fig. 1 to 4, the air return furnace convenient for adjusting firepower of the present invention comprises a furnace body 1, wherein the furnace body 1 comprises a base 11, a furnace body 12 arranged on the base 11, a panel 13 fixed on the top of the furnace body 12, a smoke exhaust cavity 14 and a smoke exhaust pipe 15 communicated with the furnace body 12, a furnace core is further arranged in the furnace body 12, a furnace bridge 16 and a furnace bridge crank 17 for driving the furnace bridge 16 to shake are arranged right below the furnace core, and the furnace bridge 16 can shake under the action of external force through the furnace bridge crank 17; and an ash box is arranged in the base 11, the ash box is positioned under the furnace bridge 16, an opening for the ash box to freely enter and exit is arranged on the side surface of the furnace base 11, ash and slag generated after combustion in the furnace core can be collected in the ash box through the ash box, and the ash box is an accessory which is necessary to be arranged in the existing air return furnace and is not shown in the drawing. A firepower adjusting mechanism communicated with the furnace core is arranged in the base 11, the firepower adjusting mechanism comprises a supporting cylinder 2, a sealing cover plate 3, a supporting shaft 4 and a cover plate crank handle 5, the supporting cylinder 2 is of a cylindrical structure with openings at two ends, the supporting cylinder 2 is fixed in the base 11 and is positioned under the furnace core, the furnace bridge 16 is arranged in the supporting cylinder 2, the front end of the furnace bridge crank handle 17 penetrates through the supporting cylinder 2 and is fixedly connected with the furnace bridge 16, the rear end of the furnace bridge crank handle penetrates through the side surface of the base 11 and extends to the outer side of the base 11, the sealing cover plate 3 is arranged in the base 11 through the supporting shaft 4, the cover plate crank handle 5 penetrates through the side surface of the base 11 and is fixedly connected with the sealing cover plate 3, the sealing cover plate 3 can rotate around the supporting shaft 4 under the action of the cover plate crank handle 5, and the sealing cover plate 3 can be in contact connection with the opening at the bottom of the supporting cylinder 2 in the rotating process, and the opening degree at the bottom of the supporting cylinder 2 is controlled; the sealing cover plate 3 is an integral structure consisting of a disc body 31 and a supporting arm 32, the disc body 31 is a circular structure, the outer diameter of the disc body 31 is larger than the outer diameter of the supporting cylinder 2, a through hole corresponding to the supporting shaft 4 is arranged in the supporting arm 32, the supporting shaft 4 penetrates through the through hole in the supporting arm 32 and is fixedly connected with the top of the base 11 in a vertical state, and the sealing cover plate 3 is rotatably connected with the supporting shaft 4 through the supporting arm 32; the cover plate crank 5 passes through the side surface of the base 11 and is fixedly connected with a supporting arm 32 in the sealing cover plate 3.

Further, a conveniently adjust return air stove of firepower size, wherein base 11's side still be equipped with the corresponding notch 51 of apron crank 5, notch 51 is followed base 11's circumference is arranged, under the exogenic action, apron crank 5 passes through notch 51 removes about base 11's circumference, drives sealed apron 3 and rotates around back shaft 4 to be used for adjusting the degree of opening and shutting of 2 bottom openings of a support section of thick bamboo through the disk body 31 among the sealed apron 3, fit 2 bottom openings of a support section of thick bamboo through disk body 31 lid promptly, perhaps with 2 bottom openings of a support section of thick bamboo phase separation, make the air enter into the stove core through a support section of thick bamboo 2 in, thereby realize the firepower size and adjust.

Further, a conveniently adjust return air furnace of firepower size, wherein firepower adjustment mechanism still includes gag lever post 6 and connecting rod 7, gag lever post 6 is fixed in the 2 outsides of a support section of thick bamboo of keeping away from 4 one ends of back shaft, connecting rod 7 is located a support section of thick bamboo 2 below, its one end with gag lever post 6 fixed connection, the other end is fixed with the internal face of base 11, through gag lever post 6 that sets up, is used for the restriction sealed apron 3 centers on under the effect of external force 4 pivoted rotary stroke of back shaft. Under the action of external force, the cover plate crank 5 is moved by hands, so that the cover plate crank 5 moves left and right along the notch 51, the disc body 31 in the sealing cover plate 3 is driven to be transferred around the supporting shaft 4 through the supporting arm 32, the limiting rod 6 can be used for blocking the disc body 31 in the sealing cover plate 3, and the phenomenon of continuous rotation appears after the sealing cover plate is covered with the supporting barrel 2 in the rotating process.

Adopt a convenient return air stove of adjusting firepower size, can be according to the user's requirement of difference, will furnace shaft 12 and panel 13 set up to circular or square structure all can. In the practical application in-process, when needs adjust the firepower size, remove about the side of base 11 in notch 51 with the hand pulling apron crank 5, drive sealed apron 3 and rotate around back shaft 4 to be used for adjusting the degree of opening and shutting of the opening and shutting of 2 bottom openings of a support section of thick bamboo through the disk body 31 in the sealed apron 3, cover the opening and shutting of 2 bottom openings of a support section of thick bamboo through the disk body 31 promptly, perhaps with the separation of 2 bottom openings of a support section of thick bamboo, make the air enter into the stove core through a support section of thick bamboo 2. Simultaneously, utilize gag lever post 6 to be used for the restriction sealed apron 3 centers on under the effect of external force 4 pivoted rotary stroke of back shaft through the air volume of adjusting entering stove core bottom, realizes the firepower size and adjusts to improve the combustion efficiency of return air stove, can not only reach energy saving and emission reduction's purpose, can also reduce fuel cost.

To sum up, adopt return air stove, sealed apron 3 through the setting be used for plugging up a support section of thick bamboo 2, realize having simple structure, operation and convenient to use, safe practicality to getting into the regulation of stove core air volume.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and to those skilled in the art, the present invention can be variously modified and changed, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a return air stove of convenient regulation firepower size, including furnace body (1), furnace body (1) sets up stack (12) on base (11) and is fixed in panel (13) at stack (12) top including base (11) to and with communicating exhaust fume chamber (14) of stack (12) and exhaust fume pipe (15) still be equipped with the wick in stack (12), and be equipped with under the wick grate (16) and drive grate (16) produce grate crank (17) of rocking still be equipped with the ash case in base (11), the ash case is located under grate (16), and the side of base (11) is equipped with the confession the opening of ash case freedom business turn over, its characterized in that: be equipped with in base (11) with communicating firepower adjustment mechanism of wick, firepower adjustment mechanism is including supporting a section of thick bamboo (2), sealed apron (3), back shaft (4) and apron crank (5), it is both ends open-ended drum structure to support a section of thick bamboo (2), support a section of thick bamboo (2) and be fixed in base (11), and lie in under the wick, grate (16) set up in supporting a section of thick bamboo (2), the front end of grate crank (17) passes support a section of thick bamboo (2) and grate (16) fixed connection, and the side that base (11) were passed to its rear end extends to base (11) outside, sealed apron (3) set up in base (11) through back shaft (4), apron crank (5) pass the side and sealed apron (3) fixed connection of base (11), sealed apron (3) can center on back shaft (4) rotation under the effect of apron crank (5), sealed apron (3) rotate in-process support the open degree of opening part (2) and contact degree control bottom the section of thick bamboo (2).

2. The return air furnace convenient for adjusting firepower according to claim 1, characterized in that: the sealing cover plate (3) is of an integral structure consisting of a disc body (31) and a supporting arm (32), the disc body (31) is of a circular structure, the outer diameter of the disc body is larger than the outer diameter of the supporting cylinder (2), a through hole corresponding to the supporting shaft (4) is formed in the supporting arm (32), the supporting shaft (4) penetrates through the through hole in the supporting arm (32) and is fixedly connected with the top of the base (11) in a vertical state, and the sealing cover plate (3) is rotatably connected with the supporting shaft (4) through the supporting arm (32); the cover plate crank (5) penetrates through the side surface of the base (11) and is fixedly connected with a supporting arm (32) in the sealing cover plate (3).

3. The return air furnace convenient for adjusting firepower according to claim 2, characterized in that: the side of base (11) still be equipped with corresponding notch (51) of apron crank (5), notch (51) are followed the circumference of base (11) is arranged, under the exogenic action, apron crank (5) are passed through remove about notch (51) along the circumference of base (11), drive sealed apron (3) and rotate around back shaft (4) to disk body (31) in sealed apron (3) are used for adjusting the degree of opening and shutting of a support section of thick bamboo (2) bottom opening part, realize the firepower size and adjust.

4. The return air furnace convenient for adjusting firepower according to claim 1, characterized in that: firepower adjustment mechanism still includes gag lever post (6) and connecting rod (7), gag lever post (6) are fixed in and are kept away from a support section of thick bamboo (2) outside of back shaft (4) one end, connecting rod (7) are located a support section of thick bamboo (2) below, its one end with gag lever post (6) fixed connection, the other end is fixed with the internal face of base (11), through gag lever post (6) that set up for the restriction sealed apron (3) center on back shaft (4) pivoted rotatory stroke under the effect of external force.