CN214250129U

CN214250129U - Clean biomass particle burning hot blast stove

Info

Publication number: CN214250129U
Application number: CN202120191547.XU
Authority: CN
Inventors: 李洋; 陈玉涛
Original assignee: Jinan Yuhong Thermal Energy Equipment Co ltd
Current assignee: Jinan Yuhong Thermal Energy Equipment Co ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-09-21
Anticipated expiration: 2031-01-21

Abstract

The utility model relates to a biomass granule hot-blast furnace is fired to clean type, the field of hot-blast furnace is related to, it includes rectangular bodily form furnace body, furnace body length direction level sets up, the feed arrangement of the biomass granule of carrying the burning has been placed in the furnace body, feed arrangement direction of delivery is parallel with furnace body length direction, furnace body one end fixedly connected with guide duct, guide duct deviates from the purifier that furnace body one end fixedly connected with purified smoke and dust in the hot-blast, the furnace body, guide duct and purifier three communicate, purifier deviates from guide duct one end and has seted up the air outlet. The application has the effects of reducing smoke carried in hot air and reducing pollution to other processes.

Description

Clean biomass particle burning hot blast stove

Technical Field

The application relates to the field of hot blast stoves, in particular to a clean biomass particle burning hot blast stove.

Background

The hot blast stove is a thermodynamic machine, is widely applied in China in the end of the 20 th century 70 s, and becomes an upgrading product of an electric heat source and a traditional steam power heat source in many industries.

In the related art, ignited biomass particles are fed into a hot air furnace, and the hot air furnace delivers the generated hot air to other processes.

In view of the above-mentioned related technologies, the inventor believes that a large amount of smoke is generated during the combustion of biomass particles, and the smoke is discharged with hot air to pollute other processes.

SUMMERY OF THE UTILITY MODEL

In order to reduce the smoke and dust that carries in the hot-blast, reduce the pollution to other processes, this application provides a clean type fires living beings granule hot-blast furnace.

The application provides a pair of biomass granule hot-blast furnace is fired to clean type adopts following technical scheme:

the utility model provides a clean type fires living beings granule hot-blast furnace, includes rectangular bodily form furnace body, furnace body length direction level sets up, place the feed arrangement of the living beings granule of carrying the burning in the furnace body, feed arrangement direction of delivery is parallel with furnace body length direction, furnace body one end fixedly connected with guide duct, the guide duct deviates from furnace body one end fixedly connected with and purifies the purifier of smoke and dust in the hot-blast, furnace body, guide duct and purifier three communicate, purifier deviates from guide duct one end and has seted up the air outlet.

Through adopting above-mentioned technical scheme, in the feed arrangement carried the living beings granule that gets into the furnace body with burning, smoke and dust and hot-blast entering purifier that the living beings granule burning produced, purifier purifies the smoke and dust in the hot-blast to effectively reduce the smoke and dust that carries in the hot-blast air of following air outlet department exhaust.

Optionally, the purification device comprises a purification chamber fixedly connected to one end, away from the furnace body, of the air duct, the first wall body and the second wall body are vertically and fixedly connected to the interior of the purification chamber, the first wall body and the second wall body are arranged at intervals along the length direction of the furnace body, the first wall body and the second wall body are perpendicular to the length direction of the furnace body, a first ventilation opening is formed in the first wall body, and a second ventilation opening is formed in the second wall body.

Through adopting above-mentioned technical scheme, after hot-blast smoke and dust that carries got into the clean room, the smoke and dust deposits in the clean room diapire under the action of gravity, and first wall body and second wall body increase hot-blast flow time in the clean room to reduce the smoke and dust that carries in the hot-blast, realize the purification to hot-blast.

Optionally, the height from the connection position of the air duct and the purification chamber to the ground is greater than the height from the first vent to the ground.

By adopting the technical scheme, the hot air flows through the air guide cylinder and the first vent in sequence, so that the flow path of the hot air in the purification chamber is increased, the settling time of smoke dust in the purification chamber is prolonged, and the smoke dust in the hot air is further reduced.

Optionally, the height from the first ventilation opening to the ground is greater than the height from the second ventilation opening to the ground.

By adopting the technical scheme, the hot air sequentially passes through the first ventilation opening and the second ventilation opening in the flowing process, so that the flowing direction of the hot air in the purifying chamber is kept continuously downward, the flowing path of the hot air in the purifying chamber is effectively increased, the settling time of smoke dust in the purifying chamber is increased, and the smoke dust in the hot air is further reduced.

Optionally, two ends of the first wall in the horizontal direction are both provided with a first vent, and the second vent is arranged in the middle of the second wall in the horizontal direction.

By adopting the technical scheme, the first ventilation openings and the second ventilation openings are arranged in a staggered mode in the horizontal direction, the flow path of hot air in the purification chamber is further increased, the settling time of smoke dust in the purification chamber is prolonged, and the hot air is further purified.

Optionally, the first wall body and the second wall body divide the clean room into three ash storage cavities, ash removal ports have all been seted up to ash storage cavity lateral wall lower extreme, ash removal port department articulates there is the ash removal door.

Through adopting above-mentioned technical scheme, hot-blast in the clean room flow in-process, the smoke and dust subsides at the clean room diapire, gets into through the deashing mouth and clears up the smoke and dust of storage ash intracavity to the clean room diapire, and easy operation is convenient.

Optionally, a temperature control port is formed in one side, away from the air duct, of the purification chamber, the temperature control port is located below the air outlet in the vertical direction, a temperature sensor and an air blower are fixedly connected to the temperature control port, the temperature sensor is connected with the air blower through an electric signal, and the air blower communicates the purification chamber with the external environment.

Through adopting above-mentioned technical scheme, temperature sensor sets up appointed temperature in advance, and hot-blast flow is greater than appointed temperature to the temperature control mouth department back, and temperature sensor senses hot-blast temperature, and temperature sensor opens through the signal of telecommunication control air-blower and mixes the cooling to hot-blast.

Optionally, the feeding device includes a chain scraper conveyor placed in the furnace body, the conveying direction of the chain scraper conveyor is parallel to the length direction of the furnace body, one end of the chain scraper conveyor, which is far away from the air duct, penetrates through one end of the furnace body and extends out of the furnace body, a scraper conveyor for conveying the combusted biomass particles is arranged below the discharge end of the chain scraper conveyor, and the scraper conveyor conveys the combusted biomass particles from the inside of the furnace body to the outside of the furnace body.

Through adopting above-mentioned technical scheme, the chain scraper conveyor carries the living beings granule entering furnace body that burns, and the living beings granule of following the landing of chain scraper conveyor discharge end derives from the furnace body through scraper conveyor in, and the living beings granule after the reduction burning is piled up in the furnace body.

Optionally, a guide mechanism is fixedly connected in the furnace body, the guide mechanism is located above the chain scraper conveyor in the vertical direction, the guide mechanism is located below the air guide duct, the guide mechanism comprises a front arch portion and a rear arch portion which are fixedly connected to the inner wall of the furnace body, and the front arch portion and the rear arch portion are arranged at intervals along the length direction of the furnace body.

By adopting the technical scheme, the front arch part and the rear arch part play a role in guiding the flow of hot air, the hot air flows to the gap between the front arch part and the rear arch part along the lower surface of the front arch part or the lower surface of the rear arch part and then continues to flow into the air guide barrel, the flow path of the hot air in the furnace body is increased by the front arch part and the rear arch part, the settling time of smoke dust is increased, and therefore the smoke dust in the hot air is reduced; the settled dust falls onto the chain scraper conveyor to be combusted again and is led out of the furnace body along with the scraper conveyor, and the operation is simple and convenient.

Optionally, the front arch and the rear arch are both made of refractory clay.

By adopting the technical scheme, the fire clay is heated and heated in the biomass particle combustion process, and the combustible flue gas generated by the combustion of the biomass particles reaches the lower surface of the front arch part or the lower surface of the rear arch part along with the hot air, so that the combustible flue gas is combusted and consumed again at high temperature, the combustible flue gas in the hot air is reduced, and the potential safety hazard is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. hot air generated in the furnace body is discharged to the subsequent working procedures through the air duct, the first ventilation opening, the second ventilation opening and the air outlet in sequence, and smoke dust in the hot air is settled under the action of gravity in the process, so that the hot air is purified, and the smoke dust in the hot air is reduced;

2. the first ventilation openings and the second ventilation openings are arranged in a staggered mode in the vertical direction and in the horizontal direction, so that the flow path of hot air in the purification chamber is increased, and the settling time of smoke dust in the purification chamber is prolonged;

3. the ash cleaning openings on the side walls of the three ash storage cavities enable workers to clean the settled smoke dust in the ash storage cavities, so that the smoke dust mixed into hot air along with the flowing of the hot air is reduced, and the cleanliness of the hot air is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic view of a part of the structure of the embodiment of the present application, which is mainly used for showing a feeding device;

FIG. 3 is a top view of an embodiment of the present application, primarily illustrating a scraper conveyor;

FIG. 4 is a partial schematic structural view of an embodiment of the present application, which is mainly used for showing a guide mechanism;

FIG. 5 is a schematic cross-sectional view of a part of the structure of the embodiment of the present application, which is mainly used for illustrating the position relationship between the first ventilation opening and the second ventilation opening in a front view state;

fig. 6 is a schematic cross-sectional view of a partial structure of an embodiment of the present application, which is mainly used for showing a positional relationship between the first ventilation opening and the second ventilation opening in a top view.

Description of reference numerals: 1. a furnace body; 11. a support wall; 12. cleaning the ash hole; 2. a feeding device; 21. a chain scraper conveyor; 22. a scraper conveyor; 23. a feed hopper; 3. an air duct; 4. a purification device; 41. a clean room; 42. a first wall; 421. a first vent; 43. a second wall; 431. a second vent; 44. a temperature control port; 45. a blower; 5. an air outlet; 6. an air outlet; 7. an ash storage tank; 8. a guide mechanism; 81. a front arch portion; 82. a rear arch portion; 821. a first support plate; 822. a second support plate; 823. and a flow guide block.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses biomass particle burning hot blast stove of clean type. Referring to fig. 1, a clean type fires living beings granule hot-blast furnace includes rectangular bodily form furnace body 1, is provided with feed arrangement 2 in the furnace body 1, and feed arrangement 2 feed end passes furnace body 1 one end and stretches out in the furnace body 1, and the furnace body 1 other end is connected with the purifier 4 who purifies smoke and dust in the hot-blast through air duct 3, and purifier 4 deviates from air duct 3 one side and has seted up air outlet 5.

The biomass particles which are combusted are conveyed into the furnace body 1 through the feeding device 2, and the hot air generated in the furnace body 1 enters the purifying device 4 through the air duct 3 for purification, so that the smoke dust in the hot air is effectively reduced.

Referring to fig. 1, the furnace body 1 is rectangular, the furnace body 1 is horizontally arranged in the length direction, a combustion chamber is arranged in the furnace body 1, an air outlet 6 is arranged at one end of the furnace body 1 in the length direction, and the air duct 3 is fixedly connected to the air outlet 6. The side wall of the combustion chamber which is vertically arranged is a supporting wall 11, and the supporting wall 11 is parallel to the length direction of the furnace body 1. The guiding mechanism 8 that the inner wall fixedly connected with of combustion chamber leads to hot-blast, in vertical direction, the part that feed arrangement 2 is located the combustion chamber is in guiding mechanism 8 below, and guiding mechanism 8 separates the combustion chamber for feeding chamber and ventilation chamber, and hot-blast from the feeding intracavity reachs the ventilation intracavity.

Referring to fig. 2 and 3, the feeding device 2 comprises a chain scraper conveyor 21 placed in the furnace body 1, the conveying direction of the chain scraper conveyor 21 is parallel to the length direction of the furnace body 1, the chain scraper conveyor 21 is located in the feeding cavity, the feeding end of the chain scraper conveyor 21 penetrates through the furnace body 1 and is far away from one end of the air duct 3, and the feeding end of the chain scraper conveyor 21 extends out of the furnace body 1. The furnace body 1 deviates from the air duct 3 and one end is fixedly connected with a feed hopper 23, and the feed hopper 23 is positioned above the feed end of the chain scraper conveyor 21. The ash storage groove 7 is formed in the ground, the scraper conveyor 22 is placed in the ash storage groove 7, the conveying direction of the scraper conveyor 22 is perpendicular to the conveying direction of the chain scraper conveyor 21, the scraper conveyor 22 is obliquely arranged, the feeding end of the scraper conveyor 22 is located below the discharging end of the chain scraper conveyor 21, and the discharging end of the scraper conveyor 22 extends out of the ground.

The biomass particles after combustion continuously combust in the conveying process of the chain scraper conveyor 21, the biomass particles after combustion fall at the feed end of the scraper conveyor 22 from the discharge end of the chain scraper conveyor 21, and the scraper conveyor 22 transfers the biomass particles after combustion to the ground for uniform collection and treatment.

With reference to fig. 4, the guide means 8 comprise a front arch 81 and a rear arch 82, the front arch 81 being fixedly connected to the inner wall of the combustion chamber close to the feed hopper 23, and both sides of the front arch 81 facing the support wall 11 being fixedly connected to the adjacent support wall 11. The rear arch 82 is fixedly connected to the inner wall of the combustion chamber remote from the front arch 81, and both sides of the rear arch 82 facing the supporting wall 11 are fixedly connected to the adjacent supporting wall 11. In the vertical direction, the connection between the end of the rear arch 82 remote from the front arch 81 and the inner wall of the combustion chamber is located below the air outlet 6. The front arch 81 and the rear arch 82 are provided at intervals in the longitudinal direction of the furnace body 1. The front arch 81 and the rear arch 82 are constructed of refractory clay.

After the hot air reaches the front arch part 81 and the rear arch part 82, the hot air continues to flow and passes through the gap between the front arch part 81 and the rear arch part 82, and during the process, smoke dust in the hot air falls on the chain scraper conveyor 21; the front arch part 81 and the rear arch part 82 increase the retention time of hot air in the feeding cavity and reduce smoke in the hot air.

Referring to fig. 4, a guide surface is provided on a side of the front arch 81 away from the discharge hopper, and an included angle between the guide surface and the conveying direction of the chain scraper conveyor 21 is an acute angle. The guide surface plays a role in guiding the flow of the hot air, so that the hot air enters the ventilation cavity from the feeding cavity under the guiding action of the guide surface.

Referring to fig. 4, the rear arch 82 includes a first support plate 821 horizontally and fixedly connected to the inner wall of the combustion chamber, and one end of the first support plate 821, which is far away from the front arch 81, is fixedly connected to the inner wall of the combustion chamber, on which the air outlet 6 is formed. The first support plate 821 is fixedly connected with a second support plate 822 facing one end of the front arch 81, the second support plate 822 is obliquely arranged, and one end of the second support plate 822 far away from the first support plate 821 is obliquely arranged far away from the direction of the chain scraper conveyor 21. The upper surface of the second support plate 822 is vertically and fixedly connected with a flow guide block 823 at one end far away from the first support plate 821.

The hot air reaching the lower surfaces of the first support plate 821 and the second support plate 822 enters the ventilation cavity from the gap between the front arch 81 and the rear arch 82, and the flow path of the hot air in the combustion chamber is increased by the first support plate 821, the second support plate 822 and the flow guide block 823, so that the dust removal effect is improved.

Referring to fig. 4, the supporting wall 11 is opened with an ash removing opening 12, and the ash removing opening 12 is located above the second supporting plate 822.

Referring to fig. 5 and 6, the purifying device 4 includes a purifying chamber 41 fixedly connected to an end of the air duct 3 away from the furnace body 1, and the air outlet 5 is opened on a side of the purifying chamber 41 away from the air duct 3. The first wall body 42 and the second wall body 43 are vertically and fixedly connected in the purification chamber 41, the first wall body 42 and the second wall body 43 are perpendicular to the length direction of the furnace body 1, the first wall body 42 is located on one side, facing the air guide cylinder 3, of the second wall body 43, and the purification chamber 41 is divided into three ash storage cavities by the first wall body 42 and the second wall body 43. A first vent 421 is provided at both ends of the first wall 42 in the horizontal direction, two second vents 431 are provided on the second wall 43, and the second vents 431 are located in the middle of the second wall 43. In the vertical direction, the distances from the air duct 3, the first ventilation opening 421 and the second ventilation opening 431 to the ground are sequentially reduced.

The hot air in the ventilation cavity flows through the air duct 3 and the three ash storage cavities and is discharged from the air outlet 5, when the hot air sequentially passes through the air duct 3, the first ventilation opening 421 and the second ventilation opening 431, the flowing direction of the hot air is kept continuously downward, and the flowing paths of the hot air in the ash storage cavities are increased by the first ventilation opening 421 and the second ventilation opening 431, so that the dust in the hot air is effectively reduced, and the dust removal effect is improved.

Referring to fig. 5 and 6, a temperature control opening 44 is formed in one side, away from the air guide cylinder 3, of the purification chamber 41, the temperature control opening 44 is located below the air outlet 5 in the vertical direction, a temperature sensor and an air blower 45 are fixedly connected to the temperature control opening 44, the temperature sensor and the air blower 45 are connected through an electric signal, and the air blower 45 communicates the purification chamber 41 with the external environment. The temperature sensor sets up appointed temperature, and when hot-blast temperature reached accuse temperature mouth 44, if hot-blast temperature was greater than appointed temperature, temperature sensor opened air-blower 45 through the signal of telecommunication, thereby air-blower 45 mixes the cooling to hot-blast in leading-in clean room 41 with the outside air.

Referring to fig. 5 and 6, the side walls of the ash storage cavities are provided with ash cleaning ports 12, and the ash cleaning ports 12 are located at the lower ends of the side walls of the purification chamber 41. The ash cleaning opening 12 on the furnace body 1 and the ash cleaning opening 12 on the purifying chamber 41 are both hinged with ash cleaning doors.

The implementation principle of the clean biomass particle burning hot blast stove is as follows: the biomass particles after combustion fall to the feeding end of the chain scraper conveyor 21 through the feeding hopper 23, the chain scraper conveyor 21 is started to convey the biomass particles after combustion into the feeding cavity, and hot air enters the ventilation cavity along the guide surface of the front arch part 81. The scraper conveyor 21 continuously conveys the combusted biomass particles to the interior of the feeding cavity, the hot air reaching the lower surface of the second support plate 822 flows along the lower surface of the second support plate 822 to enter the ventilation cavity, and the hot air reaching the lower surface of the first support plate 821 flows to the lower surface of the second support plate 822 and then flows along the lower surface of the second support plate 822 to enter the ventilation cavity.

The hot air in the ventilation cavity enters the ash storage cavity closest to the air duct 3 through the air duct 3, the hot air enters the next ash storage cavity through the first ventilation opening 421 and then enters the ash storage cavity farthest from the air duct 3 through the second ventilation opening 431, the hot air is in a continuous downward flowing state in the process, the flow path of the hot air in the purification chamber 41 is effectively increased through the first wall 42, the second wall 43, the first ventilation opening 421 and the second ventilation opening 431, smoke dust in the hot air falls in the three ash storage cavities under the action of gravity, and the hot air enters the next procedure from the air outlet 5. The smoke dust in the ash storage cavity can be cleaned through the ash cleaning opening 12 on the side wall of the ash storage cavity.

When the hot air reaches the temperature control port through the second vent hole 431, the temperature sensor detects the temperature of the hot air, and when the temperature of the hot air is higher than the set specified temperature of the temperature sensor, the temperature sensor enables the air blower 45 to be turned on through an electric signal, so that the hot air is mixed and cooled.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a clean type fires living beings granule hot-blast furnace which characterized in that: the biomass particle purification furnace comprises a rectangular furnace body (1), the furnace body (1) is horizontally arranged in the length direction, a feeding device (2) for conveying biomass particles for combustion is placed in the furnace body (1), the conveying direction of the feeding device (2) is parallel to the length direction of the furnace body (1), an air duct (3) is fixedly connected to one end of the furnace body (1), the air duct (3) deviates from a purification device (4) for purifying smoke dust in hot air, fixedly connected to one end of the furnace body (1), the air duct (3) and the purification device (4) are communicated, and an air outlet (5) is formed in one end, deviating from the air duct (3), of the purification device (4).

2. The clean biomass particle-fired hot blast stove according to claim 1, characterized in that: the purifying device (4) comprises a purifying chamber (41) fixedly connected to one end, deviating from the furnace body (1), of the air duct (3), a first wall body (42) and a second wall body (43) are vertically and fixedly connected into the purifying chamber (41), the first wall body (42) and the second wall body (43) are arranged at intervals along the length direction of the furnace body (1), the first wall body (42) and the second wall body (43) are perpendicular to the length direction of the furnace body (1), a first ventilation opening (421) is formed in the first wall body (42), and a second ventilation opening (431) is formed in the second wall body (43).

3. The clean biomass particle-fired hot blast stove according to claim 2, characterized in that: the height from the connection part of the air duct (3) and the purification chamber (41) to the ground is larger than the height from the first ventilation opening (421) to the ground.

4. The clean biomass particle-fired hot blast stove according to claim 3, characterized in that: the height from the first ventilation opening (421) to the ground is larger than that from the second ventilation opening (431) to the ground.

5. The clean biomass particle-fired hot blast stove according to claim 4, characterized in that: a first air vent (421) is formed in each of two ends of the first wall body (42) in the horizontal direction, and the second air vent (431) is formed in the middle of the second wall body (43) in the horizontal direction.

6. The clean biomass particle-fired hot blast stove according to claim 5, characterized in that: first wall body (42) and second wall body (43) are cut apart clean room (41) and are divided into three ash storage chamber, ash removal mouth (12) have all been seted up to ash storage chamber lateral wall lower extreme, ash removal mouth (12) department articulates there is the ash removal door.

7. The clean biomass particle-fired hot blast stove according to claim 2, characterized in that: temperature control mouth (44) have been seted up to clean room (41) one side that deviates from air duct (3), and temperature control mouth (44) are located air outlet (5) below in vertical direction, temperature control mouth (44) department fixedly connected with temperature sensor and air-blower (45), temperature sensor and air-blower (45) are through signal of telecommunication connection, air-blower (45) are with clean room (41) and external environment intercommunication.

8. The clean biomass particle-fired hot blast stove according to claim 6, characterized in that: the feeding device (2) comprises a chain plate conveyor (21) placed in the furnace body (1), the conveying direction of the chain plate conveyor (21) is parallel to the length direction of the furnace body (1), one end, far away from the air duct (3), of the chain plate conveyor (21) penetrates through one end of the furnace body (1) and extends out of the furnace body (1), a scraper conveyor (22) used for conveying biomass particles after combustion is arranged below the discharge end of the chain plate conveyor (21), and the scraper conveyor (22) conveys the biomass particles after combustion out of the furnace body (1) from the interior of the furnace body (1).

9. The clean biomass particle-fired hot blast stove according to claim 8, wherein: the furnace body (1) is internally and fixedly connected with a guide mechanism (8), the guide mechanism (8) is positioned above a chain plate conveyor (21) in the vertical direction, the guide mechanism (8) is positioned below an air guide cylinder (3), the guide mechanism (8) comprises a front arch part (81) and a rear arch part (82) which are fixedly connected to the inner wall of the furnace body (1), and the front arch part (81) and the rear arch part (82) are arranged at intervals along the length direction of the furnace body (1).

10. The clean biomass particle-fired hot blast stove according to claim 9, wherein: the front arch part (81) and the rear arch part (82) are both made of refractory clay.