CN217330240U

CN217330240U - Sandwich type biomass particle hot blast stove

Info

Publication number: CN217330240U
Application number: CN202220690840.5U
Authority: CN
Inventors: 陈文君; 孙娅婷; 邵蓉; 袁素娟
Original assignee: Jiuquan Zhongtian New Energy Technology Co ltd
Current assignee: Jiuquan Zhongtian New Energy Technology Co ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-08-30
Anticipated expiration: 2032-03-28

Abstract

The utility model discloses a sandwich type biomass particle hot blast stove, which comprises a base and a stove body, wherein the stove body is vertically fixed on the base and comprises a hearth, a sleeve and a shell which are sequentially arranged from inside to outside, a hot air circulation cavity is formed between the hearth and the sleeve, a built-in circulating hot air pipe is fixedly arranged in the hearth, and two ends of the built-in circulating hot air pipe penetrate through the side wall of the hearth and are arranged in the hot air circulation cavity; the top of the hot air circulation cavity is communicated with a draught fan A through a hot air pipe, and the bottom of the hot air circulation cavity is communicated with the outside through an air inlet pipe; the top end of the hearth is communicated with a draught fan B through a flue, a fixed table and an ash chamber are arranged at the bottom of the hearth, a feeding pipe and an igniter are arranged on the side face of the hearth, and a grate is arranged on the fixed table. The utility model discloses an increase built-in circulation hot-blast main in furnace and communicate with each other with the heated air circulation chamber, realize the multistage heat exchange, increased heat radiating area to send air direct heating indoor fast to, it is quick to heat up, safe and reliable.

Description

Sandwich type biomass particle hot blast stove

Technical Field

The utility model relates to a heating field specifically is a sandwich type living beings granule hot-blast furnace.

Background

With the implementation of the rural joyful strategy in China, the engineering of modifying the adobe houses in vast rural areas is developed as well as fierce, in the modification of the adobe houses, the 'one-family-one-house' is still the main form of the residential construction of farmers at present, but for northern areas, the problem of winter heating is still the first problem of the residential construction of the farmers. In the past, the heating form mainly based on coal is eliminated gradually from the aspects of cost and environment protection along with the implementation of the policy of 'double carbon' in China, and the heating form taking biomass particles as fuel becomes the actual need and the inevitable trend of heating for the whole people.

And current heating stove that uses biomass particle as fuel has two problems: firstly because use water as heat transfer medium, in order to prevent to freeze the frost crack when blowing out, just must install the stove indoor, both caused the stove like this and taken up indoor space, influenced pleasing to the eye and dust pollution again, simultaneously, water seriously influences the facility life-span to metal pipeline's corrosion, and the maintenance rate is high. And secondly, the active blast combustion mode is adopted, so that positive pressure operation of the hearth and the flue is caused, and the problem of smoke leakage of the furnace door and the flue frequently occurs.

SUMMERY OF THE UTILITY MODEL

To above problem, the utility model aims to solve the technical problem that a use the air as heat transfer medium, multilayer level heat transfer, biomass pellet fuel heating stove of furnace flue negative pressure operation is provided.

In order to solve the technical problem, the sandwich type biomass particle hot blast stove comprises a base and a stove body, wherein the stove body is vertically fixed on the base and comprises a hearth, a sleeve and a shell which are sequentially arranged from inside to outside, a hot air circulation cavity is formed between the hearth and the sleeve, a built-in circulation hot blast pipe is fixedly arranged in the hearth, and two ends of the built-in circulation hot blast pipe penetrate through the side wall of the hearth and are arranged in the hot air circulation cavity; the top of the hot air circulation cavity is communicated with a draught fan A through a hot air pipe, and the bottom of the hot air circulation cavity is communicated with the outside through an air inlet pipe; the top end of the hearth is communicated with a draught fan B through a flue, a fixed table and an ash chamber are arranged at the bottom of the hearth, a feeding pipe and an igniter are arranged on the side face of the hearth, and a grate is arranged on the fixed table.

Further, the feeding pipe is arranged above the grate, the igniter is arranged at a height which is flush with the upper surface of the grate, and the ash chamber is arranged right below the grate.

Further, a furnace door is arranged at the bottom of the furnace chamber, is arranged above the grate and is connected with a door leaf A through a hinge.

Further, an observation mirror is arranged on the door leaf A and leads to the hearth from outside to inside.

Further, the ash chamber is connected with a door leaf B through a hinge.

Further, be equipped with the air inlet valve on the door leaf B, the air inlet valve is provided with rotatory handle.

Furthermore, the air inlet valve is of a circular structure and is rotationally connected with the door leaf B by taking the circle center as a rotating shaft.

Furthermore, air inlets which are the same in size and correspond to each other one by one are formed in the air inlet valve and the door leaf B by taking the rotating shaft as a center, and the air inlets are uniformly distributed in a circular shape. Compared with the prior art, the utility model has the following advantage:

(1) the utility model discloses an add at furnace inboard and be equipped with built-in hot air circulating pipe, the outside forms the heated air circulation chamber with the sleeve, and built-in circulation hot-blast main both ends run through the furnace lateral wall is arranged in the heated air circulation chamber, furnace top is put through with draught fan A through the flue, has realized the multi-level heat exchange, has enlarged heat exchange area, has improved the thermal efficiency, and send the air after the direct heating fast to indoor, directly improve indoor temperature, saved middle heat exchange medium, the intensification is quick, safe and reliable; the outer side of the sleeve is provided with the shell, so that the effects of attractiveness, heat preservation and scald prevention are achieved.

(2) The utility model discloses be equipped with the flue at the furnace top, flue end-to-end connection has draught fan B, makes furnace and flue be in little negative pressure state all the time, can effectively solve probably among the prior art because furnace malleation burning causes the insufficient and flue gas of burning technical problem such as leak.

(3) The utility model discloses be equipped with the sight glass on door leaf A, this sight glass accesss to from the extroversion to the inside fuel burning state can be known in real time through this sight glass in the furnace to according to the reasonable feed rate of adjusting of the burning condition, effectively avoid the waste of fuel.

(4) The utility model discloses be equipped with the air inlet valve on door leaf B, the accessible is adjusted air inlet valve control oxygen supply volume and then is regulated and control fuel combustion rate.

(5) The utility model discloses can direct mount outdoor, not only reduce the capital construction investment, practice thrift interior space and capital construction cost, effectively reduced thermal giving off moreover and escaping, improved heat utilization rate, have apparent market application and popularization prospect.

Drawings

Fig. 1 is a sectional view of the present invention.

Fig. 2 is a schematic view of the structure of the present invention.

Fig. 3 is a schematic structural view of the air inlet valve of the present invention.

FIG. 4 is a cross-sectional view of FIG. 3

In the figure: 1. the device comprises a base, 2, a built-in circulating hot air pipe, 3, a hearth, 4, a sleeve, 5, a shell, 6, a hot air circulating cavity, 7, a hot air pipe, 8, an induced draft fan A, 9, an air inlet pipe, 10, a flue, 11, a fixed table, 12, an ash chamber, 13, a feeding pipe, 14, an igniter, 15, a grate, 16, a furnace door, 17, door leaves A, 18, door leaves B, 19, an air inlet valve, 20, a viewing mirror, 21, a rotary handle, 22 and an induced draft fan B.

Detailed description of the preferred embodiments

The invention will be further explained with reference to the following description of the drawings:

a sandwich type biomass particle hot blast stove as shown in fig. 1, 2, 3 and 4, which comprises a base 1 and a stove body, wherein the stove body is vertically fixed on the base 1 and comprises a hearth 3, a sleeve 4 and a shell 5 which are sequentially arranged from inside to outside, a hot air circulation cavity 6 is formed between the hearth 3 and the sleeve 4, a built-in circulating hot blast pipe 2 is fixedly arranged in the hearth 3, and two ends of the built-in circulating hot blast pipe 2 penetrate through the side wall of the hearth 3 and are arranged in the hot air circulation cavity 6; the top of the hot air circulation cavity 6 is communicated with a draught fan A8 through a hot air pipe 7, and the bottom is communicated with the outside through an air inlet pipe 9; the top end of the hearth 3 is communicated with an induced draft fan B22 through a flue 10, the bottom of the hearth is provided with a fixed platform 11 and an ash chamber 12, the side surface of the hearth is provided with a feeding pipe 13 and an igniter 14, and the fixed platform 11 is provided with a grate 15.

In order to make the biomass granular fuel accurately drop on the grate, the feeding pipe 13 is arranged above the grate 15, in order to easily ignite the biomass granular fuel, the igniter 14 is arranged at a height level with the upper surface of the grate 15, and in order to make the waste after the biomass granular fuel is burnt directly drop into the ash chamber 12, the ash chamber 12 is opened under the grate 15.

In order to clean the solid waste generated by burning blocked on the grate 15, the bottom of the hearth 3 is provided with a furnace door 16, and the furnace door 16 is arranged above the grate 15 and is connected with a door leaf A17 through a hinge.

In order to observe the combustion state of the biomass granular fuel conveniently, the door leaf a17 is provided with a sight glass 20, and the sight glass 20 leads to the hearth 3 from outside to inside.

To facilitate cleaning of the ash chamber 12 from burnt waste, the ash chamber 12 is hinged with a door leaf B18.

In order to adjust the combustion rate and control the oxygen supply according to the heat demand, an air inlet valve 19 is arranged on the door B18, and the air inlet valve 19 is provided with a rotating handle 21.

In order to conveniently regulate and control the oxygen intake amount, the air inlet valve 19 is of a circular structure, the circle center of the air inlet valve is used as a rotating shaft and is rotationally connected with the door leaf B18, air inlets which are identical in size and correspond to each other one by one are formed in the air inlet valve 19 and the door leaf B18 by taking the rotating shaft as the center, and the air inlets are circularly and uniformly distributed.

The utility model discloses a concrete implementation process as follows:

before use, the induced draft fans A8 and B22 of the utility model are connected with a power supply; when in use, the biomass granular fuel is fed onto the grate 15 in the hearth 3 from the feeding pipe 13 and is ignited by the igniter 14, the induced draft fans A8 and B22 are started, the door leaf A17 and the door leaf B18 are closed, the air inlet valve 19 is adjusted by rotating the handle 21, so that sufficient air required by combustion is ensured to be supplied to achieve the purpose that the biomass particles are combusted in an ideal state, at the moment, biomass particle fuel is fed into the hearth 3 from the feeding pipe 13 according to a certain speed to be continuously combusted, part of heat generated by combustion is radiated into the hot air circulation cavity 6 and the built-in circulating hot air pipe 2 through the hearth 3, under the continuous work of the induced draft fan A8, the air heated in the hot air circulation cavity 6 and the built-in circulation hot air pipe 2 is conveyed to the indoor through the hot air pipe 7 and generates negative pressure in the hot air circulation cavity 6 and the built-in circulation hot air pipe 2, and at the moment, new air is automatically supplemented through the air inlet pipe 9 for heating; under the action of the induced draft fan B22, the hearth 3 and the flue 10 are always in a micro negative pressure state, and flue gas generated by combustion in the hearth 3 and particles which are not sufficiently combusted are discharged from the flue 10. During operation, the combustion state of the fuel can be observed in real time through the observation mirror 20, and waste materials generated by combustion can be cleaned from the door leaf B18 on the ash chamber 12, and if solid waste materials generated by combustion are stuck on the grate 15, the solid waste materials can be cleaned through the door leaf on the furnace door 16.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and are not limited. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art will understand that modifications and equivalent substitutions can be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all of them shall fall within the scope of the claims of the present invention.

Claims

1. The utility model provides a sandwich type living beings granule hot-blast furnace, includes base (1) and furnace body, the furnace body is vertical to be fixed in on base (1), its characterized in that: the furnace body comprises a hearth (3), a sleeve (4) and a shell (5) which are sequentially arranged from inside to outside, a hot air circulation cavity (6) is formed between the hearth (3) and the sleeve (4), a built-in circulation hot air pipe (2) is fixedly arranged in the hearth (3), and two ends of the built-in circulation hot air pipe penetrate through the side wall of the hearth (3) and are arranged in the hot air circulation cavity (6); the top of the hot air circulation cavity (6) is communicated with a draught fan A (8) through a hot air pipe (7), and the bottom of the hot air circulation cavity is communicated with the outside through an air inlet pipe (9); the furnace hearth is characterized in that the top end of the furnace hearth (3) is communicated with an induced draft fan B (22) through a flue (10), a fixed table (11) and an ash chamber (12) are arranged at the bottom of the furnace hearth, a feeding pipe (13) and an igniter (14) are arranged on the side surface of the furnace hearth, and a grate (15) is arranged on the fixed table (11).

2. The sandwich biomass particle hot blast stove according to claim 1, characterized in that: the feeding pipe (13) is arranged above the grate (15), the igniter (14) is arranged at a height which is flush with the upper surface of the grate (15), and the ash chamber (12) is arranged right below the grate (15).

3. The sandwich biomass particle hot blast stove according to claim 1, characterized in that: the furnace is characterized in that a furnace door (16) is arranged at the bottom of the furnace chamber (3), the furnace door (16) is arranged above the grate (15) and is connected with a door leaf A (17) through a hinge.

4. The sandwich biomass particle hot blast stove according to claim 3, characterized in that: the door leaf A (17) is provided with an observation mirror (20), and the observation mirror (20) leads to the hearth (3) from outside to inside.

5. The sandwich biomass pellet stove of claim 1 or 2, wherein: the ash chamber (12) is connected with a door leaf B (18) through a hinge.

6. The sandwich biomass particle hot blast stove according to claim 5, characterized in that: an air inlet valve (19) is arranged on the door leaf B (18), and a rotary handle (21) is arranged on the air inlet valve (19).

7. The sandwich biomass particle hot blast stove according to claim 6, characterized in that: the air inlet valve (19) is of a circular structure and is rotationally connected with the door leaf B (18) by taking the circle center as a rotating shaft.

8. The sandwich biomass particle hot blast stove according to claim 7, characterized in that: air inlets which are same in size and correspond to one another are formed in the air inlet valve (19) and the door leaf B (18) by taking the rotating shaft as the center, and the air inlets are uniformly distributed in a circular shape.