CN219797342U

CN219797342U - Biomass particle heating equipment convenient to maintain

Info

Publication number: CN219797342U
Application number: CN202321082827.2U
Authority: CN
Inventors: 郭卫峰
Original assignee: Zhejiang Kaibang Electromechanical Technology Co ltd
Current assignee: Zhejiang Kaibang Electromechanical Technology Co ltd
Priority date: 2023-05-05
Filing date: 2023-05-05
Publication date: 2023-10-03
Anticipated expiration: 2033-05-05

Abstract

The utility model discloses biomass particle heating equipment convenient to maintain, which comprises a shell, wherein a feeding unit, a combustion unit and a heat exchange unit are arranged in the shell; the combustion unit comprises a combustion chamber and a combustor arranged in the combustion chamber, a plurality of strip-shaped holes which are parallel to each other are formed in the bottom wall of the combustor, a slag removing mechanism is arranged below the combustor, the slag removing mechanism comprises a slag removing rake with rake teeth and a driving piece capable of driving the slag removing rake to move, the slag removing rake is provided with a plurality of rake teeth which are in one-to-one correspondence with the strip-shaped holes, and the rake teeth vertically extend upwards into the corresponding strip-shaped holes; the slag removing rake can translate along the length direction of the strip-shaped hole under the action of the driving piece, so that the rake teeth can translate back and forth in the corresponding strip-shaped hole. The slag removing rake is arranged, so that ash residues adhered to the bottom wall of the burner can be automatically removed, and slag removal is more efficient and convenient; the burner is detachably embedded in the oxygen distribution chamber, so that the burner is convenient to take out and maintain.

Description

Biomass particle heating equipment convenient to maintain

Technical Field

The utility model belongs to the technical field of heating equipment, and particularly relates to biological particle heating equipment convenient to maintain.

Background

The biomass particles are environment-friendly fuels which take straw sawdust and the like as raw materials, and have high density and long combustion time, so that the biomass heating equipment is utilized for heating, environment protection and economy. The ash slag generated after the combustion of the biomass particles of the existing biomass particle heating equipment falls into an ash slag hopper by utilizing self-generated gravity, the ash slag cannot be removed in time and is not sufficiently removed, some oily ash slag remained after the combustion of the biomass particles is adhered to the inner wall of a combustion chamber and cannot be removed, the combustion efficiency and heating efficiency of the biomass particles are affected after the ash slag is accumulated, harmful smoke dust is generated, and therefore the combustion chamber is required to be cleaned and maintained regularly, but the existing biomass particle heating equipment is required to be cleaned and maintained manually, and because the heating equipment components are numerous, the cleaning and maintenance are inconvenient, time and labor are consumed, and the cleaning is not thorough.

Disclosure of Invention

Aiming at the problem that the biomass particle heating equipment in the prior art is inconvenient to maintain, the utility model provides the biomass particle heating equipment convenient to maintain.

The utility model aims at realizing the following technical scheme:

the biological particle heating equipment convenient to maintain comprises a shell, wherein a feeding unit, a combustion unit and a heat exchange unit are arranged in the shell; the combustion unit comprises a combustion chamber and a combustor arranged in the combustion chamber, a plurality of strip-shaped holes which are parallel to each other are formed in the bottom wall of the combustor, a slag removing mechanism is arranged below the combustor, the slag removing mechanism comprises a slag removing rake with rake teeth and a driving piece capable of driving the slag removing rake to move, the slag removing rake is provided with a plurality of rake teeth which are in one-to-one correspondence with the strip-shaped holes, and the rake teeth vertically extend upwards into the corresponding strip-shaped holes; the slag removing rake can translate along the length direction of the strip-shaped hole under the action of the driving piece, so that the rake teeth can translate back and forth in the corresponding strip-shaped hole.

Preferably, an assembly chamber is arranged below the combustion chamber, the slag removing rake is arranged in the assembly chamber in a sliding manner, a push plate is fixedly arranged below the slag removing rake, a sliding rail is arranged on the inner wall, close to the opening at the lower end, of the assembly chamber, the side edge of the push plate is arranged in the sliding rail in a sliding manner, and the rear end of the push plate is fixedly connected with a driving piece.

Preferably, the pushing plate comprises a sealing part and a hollow part, and the slag removing rake is fixedly connected to the joint position of the sealing part and the hollow part; when the slag removing rake is positioned at the initial position, the sealing part is positioned right below the combustion chamber and seals the lower opening of the assembly chamber; when the slag removing rake is positioned at the termination position, the hollowed-out part is positioned right below the combustion chamber, and the driving piece is fixedly connected to the rear end of the hollowed-out part.

Preferably, an oxygen distribution chamber is arranged in the combustion chamber, the oxygen distribution chamber defines a chamber with an upper end opening, and the burner is detachably embedded in the chamber.

Preferably, an oxygen supply pipeline is arranged in the shell, the air inlet end of the oxygen supply pipeline is communicated with the outside, the air outlet end of the oxygen supply pipeline is communicated with the oxygen supply chamber in a sealing way, and the oxygen supply chamber is communicated with the oxygen distribution chamber and the assembly chamber.

Preferably, the burner further comprises a first side wall, a second side wall, a third side wall and a fourth side wall, wherein the first side wall and the second side wall are oppositely arranged, the third side wall and the fourth side wall of the burner are oppositely arranged, a peroxy gap is formed between the second side wall, the third side wall and the fourth side wall of the burner and the side wall of the oxygen distribution chamber, and a plurality of oxygen supply holes communicated with the oxygen distribution chamber are formed in the second side wall, the third side wall and the fourth side wall at intervals.

Preferably, the first side wall is provided with a feed inlet, the feeding unit comprises a fuel tank and a feeding auger, the feed end of the feeding auger is connected with biomass granular fuel in the fuel tank, and the discharge end of the feeding auger is communicated with the feed inlet of the burner.

Preferably, the second side wall is provided with a slag outlet, the feeding auger and the burner are arranged in a horizontal partition mode, the rotation center line of the feeding auger is perpendicular to the plane where the feeding port is located and the plane where the slag outlet is located, and the pushing direction of the feeding auger is consistent with the horizontal slag outlet direction of the burner.

Preferably, the slag outlet is arranged opposite to the feed inlet, and the projection of the slag outlet on the first side wall at least partially falls into the feed inlet.

Preferably, the feeding auger is a shaftless auger, is rotatably arranged in the feeding cylinder, and the feeding cylinder is arranged in the oxygen supply chamber in a penetrating way and is communicated with a feeding port of the combustor.

Preferably, the inner wall of the combustion chamber is provided with flame retaining plates, and a plurality of transverse expansion joints and longitudinal expansion joints are arranged on the flame retaining plates at intervals; the transverse expansion joints and the longitudinal expansion joints are alternately arranged in the length direction and the width direction of the flame baffle.

Compared with the prior art, the utility model has the following technical effects: the slag removing rake can automatically remove ash residues adhered to the bottom wall of the burner, so that the slag removing is more efficient and convenient; the burner is detachably embedded in the oxygen distribution chamber, so that the burner is convenient to take out and maintain; through setting up oxygen supply chamber, join in marriage oxygen room and assembly room to open pores on the lateral wall and the diapire of combustion chamber, can carry out diversified oxygen supply to the combustor, make the burning of living beings pellet fuel more abundant, heating efficiency is higher; by optimizing the setting positions of the feeding auger and the burner and arranging the slag outlet and the feeding port oppositely, the pushing power of the feeding auger can be fully utilized, namely feeding is realized, ash in the burner can be rapidly discharged by means of the pushing force, the maintenance is convenient, and the combustion efficiency and heating efficiency of biomass particles are improved; the crisscross expansion joints are arranged on the flame baffle, so that the flame baffle can be effectively prevented from deforming, and the service life of the flame baffle is prolonged.

Drawings

FIG. 1 is a cross-sectional view of a biomass particle warming apparatus of the present utility model;

FIG. 2 is a schematic view of a combustion unit according to the present utility model;

FIG. 3 is a schematic view of a burner according to the present utility model;

FIG. 4 is a schematic view of a burner and a slag removing rake according to the present utility model;

FIG. 5 is a schematic diagram of a feeding unit according to the present utility model;

FIG. 6 is a schematic diagram of the internal structure of the biomass particle heating apparatus of the present utility model;

the marks in the figure: a housing 10; a fuel tank 21; a feeding auger 22; a feeding auger 23; a feed cylinder 24; a charging barrel 25; a combustion chamber 31; an oxygen distribution chamber 33; a burner 34; a feed inlet 341; a tap hole 342; a bar-shaped hole 343; oxygen supply hole 344; a flame plate 35; a lateral expansion joint 351; a longitudinal expansion joint 532; a clamping groove 353; a hook 36; a fitting chamber 37; an ash bucket 38; an oxygen supply chamber 41; an oxygen supply pipe 42; a slag removing rake 51; rake teeth 511; a push plate 52; a sealing portion 521; a hollowed-out portion 522; a cylinder 53; a housing 61; a heat exchange channel 62; a heat exchange fan 63; a heat shield 64; a heat insulation slit 65; and an air outlet 66.

Detailed Description

The utility model is further described below with reference to embodiments shown in the drawings in which:

referring to fig. 1-6, the embodiment discloses a biological particle heating device convenient to maintain, which comprises a machine shell 10, wherein a feeding unit, a combustion unit and a heat exchange unit are arranged in the machine shell 10.

The feeding unit comprises a fuel chamber, a feeding auger 22 and a feeding auger 23, the feeding auger 22 and the feeding auger 23 jointly define a feeding channel, fuel in the fuel tank 21 is conveyed to the combustion unit, the feeding auger 22 is arranged between the fuel tank 21 and the feeding auger 23, the feeding end of the feeding auger 22 is positioned right below a discharging hole of the fuel tank 21, the discharging end of the feeding auger 22 is positioned right above the feeding end of the feeding auger, the feeding auger 22 and the rotation center line of the feeding auger 23 are mutually perpendicular, and tempering can be effectively prevented by the arrangement of the double augers. In order to improve the feeding efficiency and avoid blocking, the feeding auger 22 and the feeding auger 23 are shaftless augers, wherein the feeding auger 22 is rotatably arranged in the feeding cylinder 24, and the feeding auger 23 is rotatably arranged in the feeding cylinder 25.

The combustion unit comprises a combustion chamber 31, an oxygen distribution chamber 33 and a smoke exhaust fan are arranged in the combustion chamber 31, the oxygen distribution chamber 33 defines a chamber with an upper end opening, a burner 34 is detachably embedded in the chamber, and when the burner 34 needs to be maintained, the burner can be taken out from the combustion chamber 31 for deep maintenance, and the maintenance is convenient and fast; the burner 34 includes a first sidewall and a second sidewall disposed opposite to each other, and a third sidewall and a fourth sidewall disposed opposite to each other. An oxygen supply pipeline 42 is arranged in the shell 10, an air inlet end of the oxygen supply pipeline 42 is communicated with the outside, an air outlet end of the oxygen supply pipeline 42 is communicated with an oxygen supply chamber 41 in a sealing way, and the oxygen supply chamber 41 is communicated with an oxygen distribution chamber 33; the second side wall, the third side wall and the fourth side wall are provided with peroxy gaps with the side wall of the oxygen distribution chamber 33, and a plurality of oxygen supply holes 344 with the oxygen distribution chamber 33 are arranged on the second side wall, the third side wall and the fourth side wall at intervals so as to realize multidirectional oxygen supply to the burner 34, so that the biomass pellet fuel is combusted more fully, and the heating efficiency is improved.

The bottom wall of the burner 34 is provided with a plurality of strip-shaped holes 343 at intervals, the length directions of the strip-shaped holes 343 are perpendicular to the first side wall and the second side wall, an assembly chamber 37 is arranged below the combustion chamber 31, the assembly chamber 37 is communicated with the oxygen supply chamber 41, the arrangement of the strip-shaped holes 343 can further improve the slag discharging efficiency of the burner 34, oxygen can be supplied to the burner 34 from the lower part, and the fuel can be combusted more fully.

A slag removing rake 51 is arranged below the bottom wall of the combustor 34, the slag removing rake 51 is provided with a plurality of rake teeth 511 corresponding to the strip-shaped holes 343, and the rake teeth 511 vertically extend upwards into the strip-shaped holes 343; the slag removing rake 51 can translate along the length direction of the strip-shaped holes 343 under the action of the air cylinders 53, so that the rake teeth 511 can translate reciprocally in the corresponding strip-shaped holes 343 to clean oily ash adhered to the bottom wall of the combustor 34; the slag removing rake 51 is slidably arranged in the assembly chamber 37, a push plate 52 is fixedly arranged below the slag removing rake 51, a sliding rail is arranged on the inner wall of the assembly chamber 37 close to the opening at the lower end, the side edge of the push plate 52 is slidably arranged in the sliding rail, and the rear end of the push plate 52 is fixedly connected with the air cylinder 53; the pushing plate 52 comprises a sealing part 521 and a hollow part 522, and the slag removing rake 51 is fixedly connected to the joint position of the sealing part 521 and the hollow part 522; when the burner 34 works, the slag removing rake 51 is positioned at the initial position, the sealing part 521 is positioned right below the combustion chamber 31, and the lower end of the assembly chamber 37 is closed, so that oxygen in the oxygen supply chamber 41 can smoothly reach the burner 34 through the strip-shaped holes 343, the smoke exhaust fan can smoothly exhaust smoke generated by combustion, and the sealing plate can receive part of ash slag; when the burner 34 needs maintenance, the cylinder 53 is started to enable the slag removing rake 51 to slide, the rake teeth 511 are utilized to remove slag adhered to the bottom wall of the burner 34, the maintenance is convenient and quick, the hollowed-out part 522 is located under the combustion chamber 31, and the slag can smoothly fall into the slag hopper 38.

The first side wall and the second side wall are respectively provided with a feed inlet 341 and a slag outlet 342, the slag hopper 38 is arranged below the burner 34, the feeding auger 23 and the burner 34 are horizontally arranged in a partition mode, and the feeding barrel 25 is arranged in the oxygen supply chamber 41 in a penetrating mode and is communicated with the feed inlet 341 of the burner 34. The rotation center line of the feeding auger 23 is perpendicular to the plane of the feeding hole 341 and perpendicular to the plane of the slag hole 342; the feeding end of the feeding auger 23 receives biomass granular fuel in the fuel tank 21, the discharging end of the feeding auger 23 is communicated with the feeding hole 341 of the combustor 34, and the pushing direction of the feeding auger 23 is consistent with the slag discharging direction of the combustor 34. The above arrangement can fully utilize the pushing power of the feeding auger 23, and the ash in the combustor 34 can be rapidly discharged by means of the pushing force while feeding is realized, so that the combustion efficiency and heating efficiency of biomass particles are improved. In order to more fully utilize the pushing power of the pushing auger and improve the slag discharging efficiency, the slag outlet 342 is opposite to the feeding hole 341, and the projection part of the slag outlet 342 on the first side wall falls into the feeding hole 341.

The inner wall of the combustion chamber 31 is provided with flame retaining plates 35, and a plurality of transverse expansion joints 351 and longitudinal expansion joints 532 are arranged on the flame retaining plates 35 at intervals; the transverse expansion joints 351 and the longitudinal expansion joints 532 are alternately arranged in the length direction and the width direction of the flame baffle 35 so as to reduce deformation of the flame baffle 35; in order to facilitate replacement of the flame-retaining plate 35, a hook 36 is provided on the side wall of the combustion chamber 31, and a slot 353 matching with the hook 36 is provided on the side edge of the flame-retaining plate 35; the clamping groove 353 comprises a sliding-in section extending to the side edge of the flame-retaining plate 35 and a clamping section communicated with the sliding-in section, the length of the sliding-in section is matched with the length of the clamping hook 36, the width of the clamping section is matched with the width of the clamping hook 36, when the flame-retaining plate 35 is assembled, the flame-retaining plate 35 is horizontally slid firstly, the clamping hook 36 slides into the sliding-in section, then the flame-retaining plate 35 is pressed down, the clamping hook 36 slides into the clamping section, namely, the assembly is completed, and the reverse operation is performed when the flame-retaining plate is disassembled.

The heat exchange unit comprises a heat exchange channel 62 and a heat exchange fan 63, the housing 61 is arranged outside the combustion chamber 31, the heat exchange channel 62 is arranged between the housing 61 and the outer wall of the combustion chamber 31, the upper end of the heat exchange channel 62 is communicated with an air outlet 66, the lower end of the heat exchange channel 62 is communicated with an air inlet channel, the heat exchange fan 63 is arranged on the air inlet channel, the outside air heat exchange fan 63 is sent to the heat exchange channel 62, the outer wall of the combustion chamber 31 is used as a heating source for heating air, and heated hot air is blown out from the air outlet 66; the cover 61 is provided with a heat insulation plate 64, the heat insulation plate 64 is arranged close to the fuel tank 21, the heat insulation plate 64 and the outer wall of the cover 61 define a heat insulation gap 65, the heat insulation seal extends along the trend of the heat exchange channel 62, the upper end of the heat insulation seal is communicated with the air outlet 66, and the heat insulation plate 64 can insulate heat by utilizing the heat convection siphon principle, so that the case 10 is prevented from being excessively high in temperature.

It should be understood that in the claims, the specification of the present utility model, all "including … …" should be interpreted as open-ended meaning that it is equivalent to "at least … …", and not as closed-ended meaning that it should not be interpreted to "include … …" only. The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

The above description is merely an embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and those skilled in the art should appreciate variations, modifications, additions or substitutions within the spirit of the present utility model.

Claims

1. The biomass particle heating equipment convenient to maintain comprises a shell, wherein a feeding unit, a combustion unit and a heat exchange unit are arranged in the shell; the combustion unit comprises a combustion chamber and a combustor arranged in the combustion chamber, wherein a plurality of strip-shaped holes which are parallel to each other are formed in the bottom wall of the combustor, a slag removing mechanism is arranged below the combustor, the slag removing mechanism comprises a slag removing rake with rake teeth and a driving piece capable of driving the slag removing rake to move, the slag removing rake is provided with a plurality of rake teeth which are in one-to-one correspondence with the strip-shaped holes, and the rake teeth vertically and upwards extend into the corresponding strip-shaped holes; the slag removing rake can translate along the length direction of the strip-shaped hole under the action of the driving piece, so that the rake teeth can translate back and forth in the corresponding strip-shaped hole.

2. The biomass particle heating equipment convenient to maintain according to claim 1, wherein an assembly chamber is arranged below the combustion chamber, a slag removing rake is arranged in the assembly chamber in a sliding manner, a pushing plate is fixedly arranged below the slag removing rake, a sliding rail is arranged on the inner wall, close to an opening at the lower end, of the assembly chamber, a side edge of the pushing plate is arranged in the sliding rail in a sliding manner, and the rear end of the pushing plate is fixedly connected with a driving piece; when the slag removing rake is positioned at the initial position, the sealing plate is positioned right below the combustion chamber and seals the lower end opening of the assembly chamber.

3. The biomass particle heating equipment convenient to maintain according to claim 2, wherein the pushing plate comprises a sealing part and a hollowed-out part, and the slag removing rake is fixedly connected to the joint position of the sealing part and the hollowed-out part; when the slag removing rake is positioned at the initial position, the sealing part is positioned right below the combustion chamber and seals the lower opening of the assembly chamber; when the slag removing rake is positioned at the termination position, the hollowed-out part is positioned right below the combustion chamber, and the driving piece is fixedly connected to the rear end of the hollowed-out part.

4. A maintenance-friendly biomass pellet heating apparatus as claimed in claim 3, wherein said combustion chamber is provided with an oxygen distribution chamber, said oxygen distribution chamber defining a chamber having an upper end opening, said burner being detachably embedded in said chamber.

5. The biomass particle heating equipment convenient to maintain according to claim 4, wherein an oxygen supply pipeline is arranged in the shell, an air inlet end of the oxygen supply pipeline is communicated with the outside, an air outlet end of the oxygen supply pipeline is communicated with the oxygen supply chamber in a sealing manner, and the oxygen supply chamber is communicated with the oxygen distribution chamber and the assembly chamber.

6. The maintenance-friendly biomass particle heating apparatus as claimed in claim 5, wherein the burner further comprises a first side wall and a second side wall which are arranged oppositely, and a third side wall and a fourth side wall which are arranged oppositely, wherein a peroxy gap is formed between the second side wall, the third side wall and the fourth side wall of the burner and the side wall of the oxygen distribution chamber, and a plurality of oxygen supply holes communicated with the oxygen distribution chamber are formed in the second side wall, the third side wall and the fourth side wall at intervals.

7. The biomass particle heating device convenient to maintain according to claim 6, wherein the first side wall is provided with a feed inlet, the feeding unit comprises a fuel tank and a feeding auger, the feed end of the feeding auger is connected with biomass particle fuel in the fuel tank, and the discharge end of the feeding auger is communicated with the feed inlet of the burner.

8. The biomass particle heating device convenient to maintain according to claim 7, wherein the second side wall is provided with a slag hole, the feeding auger and the burner are arranged in a horizontal partition mode, the rotation center line of the feeding auger is perpendicular to the plane where the feeding port is located and the plane where the slag hole is located, and the pushing direction of the feeding auger is consistent with the horizontal slag discharging direction of the burner.

9. The maintenance-friendly biomass particle heating equipment as claimed in claim 7, wherein the feeding auger is a shaftless auger, and is rotatably arranged in a feeding cylinder, and the feeding cylinder is arranged in the oxygen supply chamber in a penetrating manner and is communicated with a feeding port of the burner.

10. The maintenance-friendly biomass particle heating equipment as claimed in any one of claims 1 to 9, wherein a flame baffle is arranged on the inner wall of the combustion chamber, and a plurality of transverse expansion joints and longitudinal expansion joints are arranged on the flame baffle at intervals; the transverse expansion joints and the longitudinal expansion joints are alternately arranged in the length direction and the width direction of the flame baffle.