CN220648391U - High-combustion-efficiency true-fire fireplace - Google Patents

Abstract

The utility model belongs to the technical field of indoor heating equipment, and discloses a high-combustion-efficiency true-fire fireplace. The furnace comprises a furnace shell, wherein a first partition plate and a second partition plate are horizontally arranged in the furnace shell at intervals, a third partition plate is vertically arranged below the first partition plate at a position close to the rear wall of the furnace shell, a first furnace back plate and a second furnace back plate are vertically arranged on the first partition plate at intervals in the rear of the first partition plate, a tilting upward turning plate is arranged at the top end of the first furnace back plate towards the direction of a furnace door, a furnace top plate is arranged at the top end of the second furnace back plate, a first guide plate is arranged at the bottom of the furnace top plate, and a second guide plate is arranged at the position between the turning plate and the first guide plate; the fireplace is also provided with a first air inlet regulator, a second air inlet regulator and a third air inlet regulator. The utility model can provide sufficient air for the hearth and ensure the full combustion of the wood.

Description

High-combustion-efficiency true-fire fireplace

Technical Field

The utility model belongs to the technical field of indoor heating equipment, and particularly relates to a high-combustion-efficiency true-fire fireplace.

Background

The natural fire wood-burning fireplace is an indoor heating device derived from Europe, and is mainly used in independent buildings such as rural self-building houses, villas, civilian hosts and the like after being introduced into China. The natural fire wood-burning fireplace mainly realizes heating through wood burning, takes wood as a heat source, heats through glass radiation, has heating efficiency far exceeding various air conditioners, heating and the like, and has very high natural fire ornamental value. However, most of the prior true fire wood-burning fireplaces are provided with only one air inlet, so that insufficient air inlet and insufficient wood-burning are caused, fuel is wasted, carbon monoxide harmful to human bodies can be discharged due to insufficient burning, and even carbon monoxide poisoning accidents can occur.

In addition, the existing true fire wood-burning fireplace only dissipates heat through the air outlet of the stove top, belongs to passive heat dissipation, has a general heat dissipation effect, and causes an unsatisfactory indoor heating effect.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide the high-combustion-efficiency true-fire fireplace capable of ensuring the full combustion of fuel.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a high combustion efficiency true fire fireplace, including the stove outer covering, from bottom to top be equipped with firewood cabinet, ashes collection device, furnace in the stove outer covering, furnace's preceding terminal surface is equipped with the furnace gate, the intermediate position of furnace gate is equipped with first fire-resistant glass window, the preceding terminal surface of firewood cabinet is uncovered form, the furnace top is connected with the chimney, the chimney pierces through stove outer covering roof and outside air intercommunication, be equipped with governing valve on being located the outside chimney of stove outer covering, a plurality of first air outlet has been seted up on the stove outer covering preceding terminal surface that is close to stove outer covering roof, its improvement lies in: a first baffle plate and a second baffle plate are horizontally arranged in the furnace shell at intervals, the second baffle plate is positioned above the first baffle plate, a third baffle plate is vertically arranged below the first baffle plate at a position close to the rear wall of the furnace shell, the first baffle plate, the third baffle plate and the furnace shell below the first baffle plate are enclosed to form a firewood cabinet, a first furnace back plate and a second furnace back plate are vertically arranged at the rear position of the first baffle plate at intervals front and back, an inclined upward turning plate is arranged at the top end of the first furnace back plate towards the furnace door direction, a furnace top plate is arranged at the top end of the second furnace back plate, a first guide plate is arranged at the bottom of the furnace top plate, and a second guide plate is arranged at the position between the turning plate and the first guide plate; the first guide plate comprises a first inclined guide plate and a vertical guide plate, the first inclined guide plate is obliquely downwards arranged at the bottom of the top plate of the hearth towards the direction opposite to the furnace door, and the vertical guide plate is vertically downwards fixedly connected to the bottom end of the first inclined guide plate; the second guide plate comprises a second inclined guide plate and a third inclined guide plate, the second inclined guide plate is parallel to the turning plate, and the third inclined guide plate is obliquely downwards connected with the front end of the second inclined guide plate in a fixed manner towards the furnace door; the surrounding areas of the left side wall and the right side wall of the first hearth back plate, the turnover plate, the second partition plate and the furnace shell are hearths, and the hearths are lined with refractory heat preservation layers; the first hearth back plate and the fireproof heat-insulating layer corresponding to the first hearth back plate are provided with a plurality of first air distribution holes in one-to-one correspondence, and the third inclined guide plate is provided with a plurality of second air distribution holes at positions between the turning plate and the second inclined guide plate; the second partition plate and the corresponding fire-resistant heat-insulating layer are provided with corresponding ash falling openings, and the top of each ash falling opening on the fire-resistant heat-insulating layer is provided with a grate; the ash collecting device comprises an ash bucket cavity and an ash bucket, wherein the ash bucket is arranged in the ash bucket cavity in a push-pull manner, the ash bucket is positioned right below the grate when pushed into the ash bucket cavity, and the front end surface of the ash bucket is provided with a handle; a first air inlet regulator is horizontally arranged on the top wall of the front end surface of the ash bucket cavity; a second air inlet regulator is vertically arranged on the front position of the first partition plate; the bottom of the first hearth back plate is provided with a plurality of first air holes at positions corresponding to the second air inlet regulator; a third air inlet regulator is horizontally arranged on the top wall of the front end surface of the furnace door; a plurality of second air holes are formed in the first partition plate at positions between the second hearth back plate and the furnace shell back wall.

On the basis of the technical scheme, in order to further improve the heating effect, the fireplace further comprises a stove cover with a U-shaped cross section, a hollow structure is arranged between the outer wall and the inner wall of the stove cover, and the stove cover is vertically arranged to enclose the left side wall, the right side wall and the rear side wall of the stove shell; the bottom of the inner wall of the rear side of the furnace cover is provided with a first notch, the bottom of the outer wall of the rear side of the furnace cover is provided with a plurality of first air inlet holes, the bottoms of the outer walls of the two opposite sides of the furnace cover are provided with a plurality of second air inlet holes, the middle upper parts of the inner walls of the two opposite sides of the furnace cover are provided with a plurality of first heat dissipation holes, and the middle upper parts of the outer walls of the front end faces of the two opposite sides of the furnace cover are provided with a plurality of second air outlets; the rear wall of the furnace shell is provided with a second notch corresponding to the first notch, and a cross flow fan is arranged at the bottom of the firewood cabinet behind the third partition plate in the second notch.

Preferably, an oven is arranged at a position between the top wall of the hearth and the first air outlet in the oven shell, the oven is positioned in front of the chimney, the front end face of the oven is an oven door, a second fireproof glass window is arranged at the middle position of the oven door, side shelves are arranged on the left side wall and the right side wall of the oven, and a plurality of second heat dissipation holes are formed in the bottom position of the rear wall of the oven.

Preferably, a material blocking fence is arranged at the bottom position close to the furnace door in the furnace chamber.

Preferably, the grate is in a wave shape with high and low fluctuation, and the shape can improve the contact area of the wood and air and the combustion effect.

Preferably, the refractory heat-insulating layer is a vermiculite plate.

Preferably, in order to ensure that the air entering from the third air inlet regulator can form an air curtain between the furnace door and flame burned by the hearth, an air curtain plate corresponding to the third air inlet regulator is arranged at the top position of the inner wall of the furnace door, and the bottom end of the air curtain plate is bent downwards in an inclined way towards the furnace door.

In the present utility model, the first air intake regulator, the second air intake regulator, the third air intake regulator and the regulating valve may be manufactured according to the prior art. The utility model claims the structures of the first air inlet regulator, the second air inlet regulator and the third air inlet regulator are as follows: the air inlet plate comprises an air inlet plate and an adjusting plate positioned at the rear of the air inlet plate, wherein an adjusting slide hole is arranged in the middle of the air inlet plate, a plurality of air inlet window holes are formed in the air inlet plate at the two sides of the adjusting slide hole, adjusting holes which are matched with the air inlet window holes and correspond to the air inlet window holes one by one are formed in the adjusting plate, adjusting screws penetrating through the air inlet plate and the adjusting plate from front to back are arranged in the adjusting slide hole, the front ends of the adjusting screw positions are connected with adjusting pulling pieces, locking nuts are arranged at the rear ends of the adjusting screw positions, and the adjusting screws move left and right in the adjusting slide hole to drive the adjusting plate to slide left and right relative to the air inlet plate; when the adjusting plate is at one side limit position, the adjusting holes and the air inlet window holes are arranged in a staggered mode, the air inlet window holes are in a completely closed state, when the adjusting plate is at the other side limit position, the adjusting holes are aligned with the air inlet window holes one by one, and the air inlet window holes are in a completely opened state. The utility model claims a structure of an adjusting valve: the chimney comprises an adjusting screw rod which is rotatably arranged on a chimney, a loop bar is arranged on the adjusting screw rod which is positioned in the chimney, a circular plate with the diameter slightly smaller than the inner diameter of the chimney is fixed on the loop bar, and the circular plate can freely rotate around the adjusting screw rod in the chimney.

The beneficial effects are that:

(1) The utility model is provided with the first air inlet regulator and the second air inlet regulator, the first air inlet regulator provides first air inlet, the second air inlet regulator provides second air inlet and third air inlet at the first air distribution hole and the second air distribution hole respectively, that is, the utility model provides three times of air inlet in total, so that sufficient air can be provided for a hearth, the full combustion of fuel wood can be ensured, the further combustion of combustible gas and combustible particles in flue gas can be ensured, the emission of toxic gas and combustible particles in flue gas is reduced, and the pollution to the environment is reduced;

(2) The furnace cover and the cross-flow fan can further utilize the high-temperature heat energy of the hearth, so that the indoor heating effect is improved;

(3) The utility model not only has the heating function, but also can heat food in the oven when necessary, thereby increasing the practical function of the fireplace;

(4) When the wood is burnt, the moisture and the oil contained in the wood can generate smoke, the smoke is attached to the first fire-resistant glass window, the smoked first fire-resistant glass window not only affects the fire observation effect, but also blocks heat radiation and heating efficiency, the third air inlet regulator is arranged on the top wall of the front end face of the furnace door, after the air enters from the top, the air curtain is formed by flowing from top to bottom, and the spreading smoke is pushed away continuously, so that the contact between the smoke and the first fire-resistant glass window is isolated, the wind washing effect of glass is realized, and the glass cannot be smoked.

Drawings

Fig. 1: the overall structure of the utility model is shown in the drawing (with furnace cover);

fig. 2: the second diagram of the overall structure schematic of the present utility model (without furnace hood);

fig. 3: a schematic rear view of the utility model (without a furnace cover);

fig. 4: schematic cross-sectional structure of the utility model (with furnace hood);

fig. 5: a schematic structural view of the furnace cover;

wherein, the reference numerals are as follows: 1-furnace shell; 2-a furnace cover; 3-firewood cabinet; 4-hearth; 5-oven; 6-furnace door; 7-chimney; 8-adjusting a valve; 9-oven door; 10-side shelves; 11-turning plate; 12-hearth top plate; 13-vertical deflectors; 14-a material blocking fence; 15-vermiculite plate; 16-an air curtain plate; 17-a grate; 18-ash bucket cavity; 19-ash bucket; 20-a cross-flow fan; 2101-a first refractory glass window, 2102-a second refractory glass window; 2201-first separator, 2202-second separator, 2203-third separator; 2301-a first hearth backing plate, 2302-a second hearth backing plate; 2401-a first oblique flow guide plate, 2402-a second oblique flow guide plate, 2403-a third oblique flow guide plate; 2501-first air distribution holes, 2502-second air distribution holes; 2601-a first intake regulator, 2602-a second intake regulator, 2603-a third intake regulator; 2701-first air holes; 2801-a first gap, 2802-a second gap; 2901-first air inlet holes, 2902-second air inlet holes; 3001-first heat dissipation holes, 3002-second heat dissipation holes; 3101-first air outlet, 3102-second air outlet.

Detailed Description

The present utility model will be described in further detail below for the purpose of making the present utility model clearer and more specific. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Example 1

As shown in fig. 1-5, a high-combustion-efficiency fire fireplace comprises a stove shell 1 and a stove cover 2 with a U-shaped cross section, wherein a firewood cabinet 3, an ash collecting device, a hearth 4 and an oven 5 are arranged in the stove shell 1 from bottom to top, the front end surface of the firewood cabinet 3 is in an open shape, a stove door 6 is arranged on the front end surface of the hearth 4, a first fireproof glass window 2101 is arranged in the middle position of the stove door 6, the top of the hearth 4 is connected with a chimney 7, the chimney 7 penetrates through the top wall of the stove shell 1 and is communicated with the outside air, an adjusting valve 8 is arranged on the chimney 7 positioned outside the stove shell 1, a plurality of first air outlets 3101 are formed in the front end surface of the stove shell 1 close to the top wall of the stove shell 1, the oven 5 is positioned in front of the chimney 7, the front end surface of the oven 5 is an oven door 9, second fireproof glass window 2102 is arranged in the middle position of the oven door 9, side shelves 10 are arranged on the left side wall and the right side walls of the oven 5, and a plurality of second radiating holes 3002 are formed in the bottom position of the back wall of the oven 5; a first partition plate 2201 and a second partition plate 2202 are horizontally arranged in the furnace shell 1 at intervals, the second partition plate 2202 is positioned above the first partition plate 2201, a third partition plate 2203 is vertically arranged below the first partition plate 2201 at a position close to the rear wall of the furnace shell 1, the first partition plate 2201, the third partition plate 2203 and the furnace shell 1 below the first partition plate 2201 enclose to form a firewood cabinet 3, a first furnace back plate 2301 and a second furnace back plate 2302 are vertically arranged on the first partition plate 2201 at intervals front and back at the rear positions thereof, the top end of the first furnace back plate 2301 is provided with a turnover plate 11 which is obliquely upwards towards the direction of a furnace door 6, the top end of the second furnace back plate 2302 is provided with a furnace top plate 12, the bottom of the furnace top plate 12 is provided with a first guide plate, and the second furnace back plate 2302 is provided with a second guide plate at a position between the turnover plate 11 and the first guide plate; the first deflector comprises a first inclined deflector 2401 and a vertical deflector 13, the first inclined deflector 2401 is obliquely downwards arranged at the bottom of the hearth top plate 12 towards the direction opposite to the furnace door 6, and the vertical deflector 13 is vertically downwards fixedly connected to the bottom end of the first inclined deflector 2401; the second deflector comprises a second inclined deflector 2402 and a third inclined deflector 2403, the second inclined deflector 2402 is parallel to the turnover plate 11, and the third inclined deflector 2403 is fixedly connected with the front end of the second inclined deflector 2402 in a downward inclined manner towards the direction of the oven door 6; the first hearth back plate 2301, the turnover plate 11, the second partition plate 2202 and the surrounding areas of the left side wall and the right side wall of the furnace shell 1 are hearths 4, a material blocking fence 14 is arranged in the hearths 4 near the bottom of the furnace door 6, and the hearths 4 are lined with vermiculite plates 15; the first hearth back plate 2301 and the corresponding vermiculite plate 15 are provided with a plurality of first air distribution holes 2501 which are in one-to-one correspondence, and the third inclined guide plate 2403 is provided with a plurality of second air distribution holes 2502 at positions between the turning plate 11 and the second inclined guide plate 2402; the second partition plate 2202 and the corresponding vermiculite plate 15 are provided with corresponding ash falling openings, the top of each ash falling opening on the corresponding vermiculite plate 15 is provided with a grate 17, and the grate 17 is in a wave shape with high and low fluctuation; the ash collecting device comprises an ash bucket cavity 18 and an ash bucket 19, wherein the ash bucket 19 is arranged in the ash bucket cavity 18 in a push-pull mode, the ash bucket 19 is positioned right below the grate 17 when pushed into the ash bucket cavity 18, and a handle is arranged on the front end face of the ash bucket 19; a first air inlet regulator 2601 is horizontally arranged on the top wall of the front end surface of the ash bucket cavity 18; a second intake regulator 2602 is vertically provided on the first partition 2201 at a front position thereof; the bottom of the first hearth back plate 2301 is provided with a plurality of first air holes 2701 at positions thereof corresponding to the second air intake regulator 2602; a third air inlet regulator 2603 is horizontally arranged on the top wall of the front end surface of the furnace door 6, an air curtain plate 16 corresponding to the third air inlet regulator 2603 is arranged at the top position of the inner wall of the furnace door 6, and the bottom end of the air curtain plate 16 is bent downwards in an inclined way towards the furnace door 6; a plurality of second air holes are formed in the first partition 2201 at positions between the second hearth back plate 2302 and the rear wall of the furnace shell 1; a hollow structure is arranged between the outer wall and the inner wall of the furnace cover 2, and the furnace cover 2 is vertically arranged around the left side wall, the right side wall and the rear side wall of the furnace shell 1; the bottom of the inner wall of the rear side of the furnace cover 2 is provided with a first notch 2801, the bottom of the outer wall of the rear side of the furnace cover 2 is provided with a plurality of first air inlets 2901, the bottoms of the outer walls of the two opposite sides of the furnace cover 2 are provided with a plurality of second air inlets 2902, the middle upper part of the inner walls of the two opposite sides of the furnace cover 2 is provided with a plurality of first heat dissipation holes 3001, and the middle upper part of the outer walls of the front end surfaces of the two opposite sides of the furnace cover 2 is provided with a plurality of second air outlets 3102; a second notch 2802 corresponding to the first notch 2801 is formed in the rear wall of the furnace shell 1, and a cross-flow fan 20 is arranged at the bottom of the firewood cabinet 3 behind the third partition 2203 in the second notch 2802.

The first air intake regulator 2601, the second air intake regulator 2602, and the third air intake regulator 2603 may be manufactured according to the prior art, and the specific structure is as follows: the air inlet plate comprises an air inlet plate and an adjusting plate positioned at the rear of the air inlet plate, wherein an adjusting slide hole is arranged in the middle of the air inlet plate, a plurality of air inlet window holes are formed in the air inlet plate at the two sides of the adjusting slide hole, adjusting holes which are matched with the air inlet window holes and correspond to the air inlet window holes one by one are formed in the adjusting plate, adjusting screws penetrating through the air inlet plate and the adjusting plate from front to back are arranged in the adjusting slide hole, an adjusting pulling piece is connected to the front end of each adjusting screw, and a locking nut is arranged at the rear end of each adjusting screw; the adjusting screw moves left and right in the adjusting sliding hole to drive the adjusting plate to slide left and right relative to the air inlet plate; when the adjusting plate is at one side limit position, the adjusting holes and the air inlet window holes are arranged in a staggered mode, the air inlet window holes are in a completely closed state, when the adjusting plate is at the other side limit position, the adjusting holes are aligned with the air inlet window holes one by one, and the air inlet window holes are in a completely opened state. The regulating valve 8 can also be manufactured according to the prior art, and has the specific structure that: the chimney comprises an adjusting screw rod which is arranged on a chimney 7 in a rotating mode, a loop bar is arranged on the adjusting screw rod which is positioned in the chimney 7, a circular plate with the diameter slightly smaller than the inner diameter of the chimney 7 is fixed on the loop bar, and the circular plate can freely rotate around the adjusting screw rod in the chimney 7.

The working process comprises the following steps: opening the first air inlet regulator 2601, enabling air to enter the ash bucket cavity 18 and the ash bucket 19 from the first air inlet regulator 2601, and finally entering the hearth 4 through the grate 17 to realize first air inlet; opening the furnace door 6, placing the wood stored in the firewood cabinet 3 on the grate 17, igniting, closing the furnace door 6, and starting the wood burning; after the second air inlet regulator 2602 and the third air inlet regulator 2603 are opened, air enters from the second air inlet regulator 2602, enters into an air passage formed by the first hearth back plate 2301 and the second hearth back plate 2302 from the first air hole 2701 at the bottom of the first hearth back plate 2301, flows upwards through the first air distribution hole 2501 and enters the hearth 4, so that second air inlet is realized; the air continues to flow upwards and then enters the air passage formed by the turnover plate 11 and the second inclined flow guide plate 2402, when reaching the third inclined flow guide plate 2403, the air enters the hearth 4 from the second air distribution hole 2502 to realize third air intake, and at the moment, if unburned combustible gas and combustible particles exist in the flue gas, the flue gas can be further combusted; the combusted flue gas flows upwards, flows to the bottom end of the chimney 7 along the gap between the second inclined guide plate 2402 and the first guide plate, and finally is discharged to the outside through the chimney 7; after the air enters from the third air inlet regulator 2603, the air flows from top to bottom under the blocking action of the air curtain plate 16 to form an air curtain, and the spreading smoke is continuously pushed away, so that the contact between the smoke and the first fire-resistant glass window 2101 is isolated, the air washing effect of glass is realized, and the glass is not smoked; in the whole process of wood combustion in the hearth 4, the cross flow fan 20 is turned on, cold air enters from the first air inlet 2901 and the second air inlet 2902 at the same time, after the cross flow fan 20 acts, part of the cold air upwards enters into an air passage formed by the second hearth back plate 2302 and the furnace shell 1 through the second air holes on the first partition 2201, flows upwards, is heated by heat energy of the hearth 4 in the flowing process, finally is blown into the room from the first air outlet 3101, and the other part of the cold air upwards flows along the hollow structure of the furnace cover 2, the heat energy of the hearth 4 enters into the furnace cover 2 through the first heat dissipation holes 3001, heats the air in the furnace cover 2, and is blown into the room from the second air outlet 3102 after heating; when needed, the oven door 9 can be opened, a grill is placed on the side shelf 10, food is placed on the grill, heat energy in the oven cavity 4 enters the oven 5 through heat conduction of the oven cavity top plate 12 to heat the food, and redundant heat is dissipated through the second heat dissipation holes 3002 and is blown into the room from the first air outlet 3101.

Claims (9)

1. The utility model provides a high combustion efficiency true fire fireplace, includes the stove outer covering, is equipped with firewood cabinet, ashes collection device, furnace from bottom to top in the stove outer covering, and furnace's preceding terminal surface is equipped with the furnace gate, and the intermediate position of furnace gate is equipped with first fire-resistant glass window, and the preceding terminal surface of firewood cabinet is uncovered form, and the furnace top is connected with the chimney, and the chimney pierces through stove outer covering roof and outside air intercommunication, is equipped with governing valve on being located the outside chimney of stove outer covering, has offered a plurality of first air outlet on the stove outer covering preceding terminal surface that is close to stove outer covering roof, its characterized in that: a first baffle plate and a second baffle plate are horizontally arranged in the furnace shell at intervals, the second baffle plate is positioned above the first baffle plate, a third baffle plate is vertically arranged below the first baffle plate at a position close to the rear wall of the furnace shell, the first baffle plate, the third baffle plate and the furnace shell below the first baffle plate are enclosed to form a firewood cabinet, a first furnace back plate and a second furnace back plate are vertically arranged at the rear position of the first baffle plate at intervals front and back, an inclined upward turning plate is arranged at the top end of the first furnace back plate towards the furnace door direction, a furnace top plate is arranged at the top end of the second furnace back plate, a first guide plate is arranged at the bottom of the furnace top plate, and a second guide plate is arranged at the position between the turning plate and the first guide plate; the first guide plate comprises a first inclined guide plate and a vertical guide plate, the first inclined guide plate is obliquely downwards arranged at the bottom of the top plate of the hearth towards the direction opposite to the furnace door, and the vertical guide plate is vertically downwards fixedly connected to the bottom end of the first inclined guide plate; the second guide plate comprises a second inclined guide plate and a third inclined guide plate, the second inclined guide plate is parallel to the turning plate, and the third inclined guide plate is obliquely downwards connected with the front end of the second inclined guide plate in a fixed manner towards the furnace door; the surrounding areas of the left side wall and the right side wall of the first hearth back plate, the turnover plate, the second partition plate and the furnace shell are hearths, and the hearths are lined with refractory heat preservation layers; the first hearth back plate and the fireproof heat-insulating layer corresponding to the first hearth back plate are provided with a plurality of first air distribution holes in one-to-one correspondence, and the third inclined guide plate is provided with a plurality of second air distribution holes at positions between the turning plate and the second inclined guide plate; the second partition plate and the corresponding fire-resistant heat-insulating layer are provided with corresponding ash falling openings, and the top of each ash falling opening on the fire-resistant heat-insulating layer is provided with a grate; the ash collecting device comprises an ash bucket cavity and an ash bucket, wherein the ash bucket is arranged in the ash bucket cavity in a push-pull manner, the ash bucket is positioned right below the grate when pushed into the ash bucket cavity, and the front end surface of the ash bucket is provided with a handle; a first air inlet regulator is horizontally arranged on the top wall of the front end surface of the ash bucket cavity; a second air inlet regulator is vertically arranged on the front position of the first partition plate; the bottom of the first hearth back plate is provided with a plurality of first air holes at positions corresponding to the second air inlet regulator; a third air inlet regulator is horizontally arranged on the top wall of the front end surface of the furnace door; a plurality of second air holes are formed in the first partition plate at positions between the second hearth back plate and the furnace shell back wall.

2. A high combustion efficiency fire fireplace as claimed in claim 1 wherein: the furnace cover is vertically arranged around the left side wall, the right side wall and the rear side wall of the furnace shell; the bottom of the inner wall of the rear side of the furnace cover is provided with a first notch, the bottom of the outer wall of the rear side of the furnace cover is provided with a plurality of first air inlet holes, the bottoms of the outer walls of the two opposite sides of the furnace cover are provided with a plurality of second air inlet holes, the middle upper parts of the inner walls of the two opposite sides of the furnace cover are provided with a plurality of first heat dissipation holes, and the middle upper parts of the outer walls of the front end faces of the two opposite sides of the furnace cover are provided with a plurality of second air outlets; the rear wall of the furnace shell is provided with a second notch corresponding to the first notch, and a cross flow fan is arranged at the bottom of the firewood cabinet behind the third partition plate in the second notch.

3. A high combustion efficiency fire fireplace as claimed in claim 1 or claim 2 wherein: the position between furnace roof and first air outlet is equipped with the oven in the stove outer covering, and the oven is located the chimney the place ahead, and the preceding terminal surface of oven is the oven door, and the intermediate position of oven door is equipped with the fire-resistant glass window of second, is equipped with the side shelf on the relative both sides wall about the oven, and a plurality of second louvre has been seted up to oven back wall bottom position.

4. A high combustion efficiency fire fireplace as claimed in claim 1 or claim 2 wherein: a material blocking fence is arranged at the bottom of the furnace chamber close to the furnace door.

5. A high combustion efficiency fire fireplace as claimed in claim 1 or claim 2 wherein: the grate is in a wave shape with high and low fluctuation.

6. A high combustion efficiency fire fireplace as claimed in claim 1 or claim 2 wherein: the fireproof heat-insulating layer is made of vermiculite plate.

7. A high combustion efficiency fire fireplace as claimed in claim 1 or claim 2 wherein: an air curtain plate corresponding to the third air inlet regulator is arranged at the top of the inner wall of the furnace door, and the bottom end of the air curtain plate is bent downwards in an inclined way towards the furnace door.

8. A high combustion efficiency fire fireplace as claimed in claim 1 or claim 2 wherein: the first air inlet regulator, the second air inlet regulator and the third air inlet regulator comprise an air inlet plate and an adjusting plate positioned at the rear of the air inlet plate, an adjusting slide hole is formed in the middle of the air inlet plate, a plurality of air inlet window holes are formed in the air inlet plate at the two sides of the adjusting slide hole, adjusting holes which are matched with the air inlet window holes and correspond to the air inlet window holes one by one are formed in the adjusting plate, adjusting screws penetrating through the air inlet plate and the adjusting plate from front to back are arranged in the adjusting slide hole, and an adjusting pulling piece is connected to the front end of each adjusting screw position, and a lock nut is arranged at the rear end of each adjusting screw.

9. A high combustion efficiency fire fireplace as claimed in claim 1 or claim 2 wherein: the adjusting valve comprises an adjusting screw rod which is rotatably arranged on the chimney, a loop bar is arranged on the adjusting screw rod which is positioned in the chimney, a circular plate with the diameter slightly smaller than the inner diameter of the chimney is fixed on the loop bar, and the circular plate can freely rotate around the adjusting screw rod in the chimney.