CN220707725U

CN220707725U - High-efficient living beings environmental protection hot-blast furnace

Info

Publication number: CN220707725U
Application number: CN202322394861.XU
Authority: CN
Inventors: 马飞; 侯均; 廖治军; 赵威; 梁磊
Original assignee: Anhui Guyuan Thermal Energy Technology Co ltd
Current assignee: Anhui Guyuan Thermal Energy Technology Co ltd
Priority date: 2023-09-04
Filing date: 2023-09-04
Publication date: 2024-04-02
Anticipated expiration: 2033-09-04

Abstract

The utility model provides a high-efficiency biomass environment-friendly hot blast stove which comprises a rack, and a feeding chamber, a combustion chamber and a heat exchange chamber which are sequentially arranged on the rack, wherein a furnace body is arranged in the combustion chamber, a hopper for storing biomass particles is arranged in the feeding chamber, a spiral feeder for conveying the biomass particles is arranged at the lower end of the hopper, and the tail end of the spiral feeder is connected with the furnace body through a material guide pipe. The first fan in the feeding chamber is used for tapping the air pipe through the external air pipe, the first air pipe is used for pushing the material in the material guiding pipe to move and is led into the furnace body, the second air pipe is used for blowing off the material led into the furnace body, so that the material is uniformly distributed in the furnace body, the third air pipe supplies air to the bottom of the furnace body, sufficient oxygen is provided, and biomass particles are fully combusted in the furnace body. The temperature around the furnace body is higher, through setting up annular guide duct, upwards blows the heat that the furnace body radiation of high temperature was penetrated to derive from the air exit, prevent that the heat of furnace body around from being discharged untimely, lead to heat escape.

Description

High-efficient living beings environmental protection hot-blast furnace

Technical Field

The utility model relates to the technical field of hot blast stoves, in particular to a high-efficiency biomass environment-friendly hot blast stove.

Background

The biomass hot blast stove is equipment for providing heat energy, uses biomass particles as fuel, and has more environmental protection and economic benefits compared with traditional energy types such as coal, petroleum and the like. However, the existing biomass hot blast stove has low combustion efficiency, and mainly has the following problems: firstly, the biomass particles are insufficiently burnt in the furnace body, secondly, the heat exchange efficiency is low, and the heat energy dissipation amount is large.

Disclosure of Invention

The utility model aims to provide the efficient biomass environment-friendly hot blast stove with more complete combustion and higher heat exchange efficiency, so as to solve the problems in the background technology.

The technical problems solved by the utility model are realized by adopting the following technical scheme: the high-efficiency biomass environment-friendly hot blast stove comprises a rack, and a feeding chamber, a combustion chamber and a heat exchange chamber which are sequentially arranged on the rack, wherein a furnace body is arranged in the combustion chamber, a hopper for storing biomass particles is arranged in the feeding chamber, a spiral feeder for conveying the biomass particles is arranged at the lower end of the hopper, the tail end of the spiral feeder is connected with the furnace body through a material guide pipe, and a pore plate for dispersing the conveyed biomass particles is arranged in the furnace body;

the lower end of the feeding chamber, which is positioned at the hopper, is provided with a first fan and a second fan, the outer end of the air outlet of the first fan is provided with an air duct, and the air duct is used for tapping the air duct so as to be used for dispersing materials and supplying air into the furnace body, so that the combustion efficiency is improved; the air outlet of the second fan is communicated with the combustion chamber through a connecting air guide pipe so as to guide out heat radiated by the furnace body and reduce heat dissipation.

As a further scheme of the utility model: the upper end of the material guiding pipe is connected with a first air pipe, the first air pipe is connected with a first air supply opening on the air duct, a second air pipe is arranged on the inner wall of the lower end of the furnace body positioned on the pore plate, the second air pipe is connected with a second air supply opening on the air duct and blows air to the pore plate so as to ensure that biomass particles are uniformly dispersed in the furnace body, the combustion efficiency is improved, the grate is arranged at the lower end of the inner cavity of the furnace body, the ventilation pipes are distributed at the lower end of the grate, ventilation holes are distributed at the upper end of the ventilation pipes, the ventilation pipes are externally connected with a third air pipe and are connected with a third air supply port on the air cylinder so as to provide oxygen needed by combustion, and the biomass combustion is more sufficient.

As a further scheme of the utility model: the combustion chamber is located the upper end of furnace body and is equipped with the air exit, combustion chamber and heat transfer room intercommunication, and the heat transfer room is kept away from one side of furnace body and is equipped with the air intake, and the indoor distribution of heat transfer is equipped with the heat exchange tube to utilize the heat exchange tube to carry out heat transfer to the flue gas of furnace body, produce the hot air.

As a further scheme of the utility model: the air guide pipe is annularly arranged along the outer end of the furnace body, and is provided with vent holes so as to blow the heat radiated by the high-temperature furnace body upwards, so that the heat is led out from the air outlet, and the heat dissipation caused by untimely heat discharge around the furnace body is prevented.

As a further scheme of the utility model: the upper end of the furnace body is connected with an upper smoke channel of the heat exchange chamber through a smoke pipe, the lower end of the heat exchange chamber is provided with a lower smoke channel connected with the heat exchange pipe, and the upper smoke channel and the lower smoke channel are distributed with a partition board at intervals, so that high-temperature smoke flows along an S shape in the heat exchange chamber and is finally guided out through a smoke outlet at the upper end of the heat exchange chamber.

As a further scheme of the utility model: the lower extreme of hopper is equipped with the control valve spare, the control valve spare includes disk seat and slip and inserts the shrouding of establishing on the disk seat, the electric putter of drive shrouding concertina movement, electric putter passes through the extension board to be fixed in the frame to through the speed of control valve spare unloading.

As a further scheme of the utility model: the spiral feeder comprises a spiral pipe and a spiral shaft arranged in the spiral pipe, an opening is formed in the upper end of one side of the spiral pipe and connected with the hopper, and the outer end of the spiral shaft is in transmission connection with a spiral motor to drive the spiral shaft to rotate. The control valve member and the spiral feeder are matched to control the feeding amount of biomass particles so as to be used for adjusting the temperature of hot air, so that the air quantity is adjusted in a matched manner, and the biomass particles are combusted more fully.

As a further scheme of the utility model: the lower extreme that spiral pipe kept away from spiral motor one side has offered the putty mouth, and the spiral pipe corresponds the putty mouth and installs the inspection board, and the one end of inspection board articulates to be installed on the spiral pipe, and the other end passes through the buckle joint to be fixed on the spiral pipe to the personnel later stage opens the inside condition of inspection spiral pipe, and can be used to discharge the material of jam.

As a further scheme of the utility model: one side of the feed chamber is also provided with a control box, the control box is electrically connected with the first fan, the second fan and the spiral feeder for controlling equipment, and the upper end of the control box is connected with a PLC controller so as to ensure that equipment conditions can be checked at any time through wireless remote control and observation equipment.

As a further scheme of the utility model: the control box is internally provided with a spark detection alarm, the spark detection alarm is electrically connected with a spark detection sensor, the spark detection sensor is installed in the hot air pipeline to detect whether sparks are generated in the hot air pipeline or not, so that the alarm is timely given, the automatic fire extinguishing is realized through spraying equipment which is arranged in a matched mode, the spark detection alarm is electrically connected with the PLC, the linkage is realized through the PLC, the equipment is timely controlled to be turned off, and the equipment safety is ensured.

Compared with the prior art, the utility model has the beneficial effects that: the first fan in the feeding chamber is used for tapping the air pipe through the external air pipe, the first air pipe is used for pushing the material in the material guiding pipe to move and is led into the furnace body, the second air pipe is used for blowing off the material led into the furnace body, so that the material is uniformly distributed in the furnace body, the third air pipe supplies air to the bottom of the furnace body, sufficient oxygen is provided, and biomass particles are fully combusted in the furnace body. The temperature around the furnace body is higher, through setting up annular guide duct, upwards blows the heat that the furnace body radiation of high temperature was penetrated to derive from the air exit, prevent that the heat of furnace body around from being discharged untimely, lead to heat escape. The heat exchange chamber is provided with heat exchange tubes in a distributed manner, and the upper flue gas channel and the lower flue gas channel are separated in a staggered manner through the partition plate, so that high-temperature flue gas flows along an S shape in the heat exchange chamber, and the heat exchange efficiency is improved. The device realizes the linkage through the PLC controller, can remote operation and observation equipment, in time knows equipment operation condition to whether have the spark to generate in the hot-blast pipeline through spark detection alarm detection, in order to in time report to the police, and control equipment shutdown through the PLC controller, guarantee equipment safety.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the internal structure of the present utility model;

FIG. 3 is a schematic view of the internal structure of the feed chamber of the present utility model;

FIG. 4 is a schematic view of the screw feeder of the present utility model;

the marks in the figure are as follows: 1. a frame; 2. a feed chamber; 3. a combustion chamber; 4. a heat exchange chamber; 5. a control valve member; 6. a control box; 21. a hopper; 22. a screw feeder; 23. a material guiding pipe; 24. a first fan; 25. a second fan; 26. an air duct; 31. a furnace body; 32. an orifice plate; 33. an air guide pipe; 34. a vent pipe; 35. an air outlet; 36. a flue pipe; 41. an air inlet; 42. a heat exchange tube; 43. a smoke channel; 44. a lower flue gas channel; 45. a partition plate; 51. a valve seat; 52. a sealing plate; 53. an electric push rod; 54. a support plate; 61. a PLC controller; 221. a spiral tube; 222. a screw shaft; 223. a screw motor; 224. an inspection plate; 261. a first air duct; 262. a second air duct; 263. and a third air pipe.

Detailed Description

The utility model is further described with reference to the following detailed drawings in order to make the implementation, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in figures 1 to 4 of the drawings,

the embodiment provides a high-efficiency biomass environment-friendly hot blast stove, which comprises a frame 1, a feeding chamber 2, a combustion chamber 3 and a heat exchange chamber 4 which are sequentially arranged on the frame 1, wherein a furnace body 31 is arranged in the combustion chamber 3, a hopper 21 for storing biomass particles is arranged in the feeding chamber 2, a spiral feeder 22 for conveying the biomass particles is arranged at the lower end of the hopper 21, the tail end of the spiral feeder 22 is connected with the furnace body 31 through a material guide pipe 23, and a pore plate 32 for dispersing the conveyed biomass particles is arranged in the furnace body 31;

in the embodiment, a first fan 24 and a second fan 25 are installed at the lower end of the hopper 21 of the feeding chamber 2, an air duct 26 is installed at the outer end of an air outlet of the first fan 24, and the air duct 26 is used for tapping the air duct so as to be used for dispersing materials and supplying air into a furnace body 31, so that the combustion efficiency is improved; the air outlet of the second fan 25 is communicated with the combustion chamber 3 through a connecting air guide pipe 33 so as to guide out the heat radiated by the furnace body 31 and reduce heat dissipation. The upper end of the material guiding pipe 23 is connected with a first air pipe 261, the first air pipe 261 is connected with a first air supply opening on the air duct 26, the furnace body 31 is positioned on the inner wall of the lower end of the pore plate 32, a second air pipe 262 is connected with a second air supply opening on the air duct 26, and air is blown to the pore plate 32, so that biomass particles are uniformly dispersed in the furnace body 31, the combustion efficiency is improved, a grate is arranged at the lower end of an inner cavity of the furnace body 31, the lower end of the furnace body 31 positioned at the grate is provided with air pipes 34, the upper end of the air pipes 34 is provided with ventilation holes, the air pipes 34 are externally connected with a third air pipe 263 and are connected with a third air supply opening on the air duct 26, so that oxygen required by combustion is provided, and the biomass combustion is more sufficient. The combustion chamber 3 is provided with an air outlet 35 at the upper end of the furnace body 31, the combustion chamber 3 is communicated with the heat exchange chamber 4, an air inlet 41 is arranged at one side of the heat exchange chamber 4 far away from the furnace body 31, and heat exchange pipes 42 are distributed in the heat exchange chamber 4 so as to exchange heat of flue gas of the furnace body 31 by the heat exchange pipes 42 and generate hot air. The air guide pipe 33 is annularly arranged along the outer ring of the furnace body 31, and the air guide pipe 33 is provided with a vent hole so as to blow the heat radiated by the high-temperature furnace body 31 upwards to be led out from the air outlet 35, thereby preventing the heat around the furnace body 31 from being discharged untimely and causing heat dissipation.

In this embodiment, the upper end of the furnace body 31 is connected with the upper flue gas channel 43 of the heat exchange chamber 4 through the flue gas pipe 36, the lower end of the heat exchange chamber 4 is provided with the lower flue gas channel 44 connected with the heat exchange tube 42, and the upper flue gas channel 43 and the lower flue gas channel 44 are distributed with the partition plates 45 at intervals, so that the high-temperature flue gas flows along the S-shape in the heat exchange chamber 4, and finally is led out through the flue gas outlet at the upper end of the heat exchange chamber 4.

In this embodiment, a control valve member 5 is disposed at the lower end of the hopper 21, the control valve member 5 includes a valve seat 51, a sealing plate 52 slidably inserted in the valve seat 51, and an electric push rod 53 driving the sealing plate 52 to move in a telescopic manner, and the electric push rod 53 is fixed on the frame 1 through a support plate 54, so as to control the blanking speed through the control valve member 5. The screw feeder 22 includes a screw 221 and a screw shaft 222 installed in the screw 221, an opening is provided at an upper end of one side of the screw 221 to be connected with the hopper 21, and an outer end of the screw shaft 222 is drivingly connected with a screw motor 223 to drive the screw shaft 222 to rotate. The control valve member 5 and the spiral feeder 22 are matched with each other to control the feeding amount of the biomass particles so as to be used for adjusting the temperature of hot air, so that the air quantity is adjusted in a matched manner, and the biomass particles are combusted more fully. The lower extreme that spiral pipe 221 kept away from spiral motor 223 one side has seted up the putty mouth, and inspection board 224 is installed to spiral pipe 221 correspondence putty mouth, and the one end of inspection board 224 articulates to be installed on spiral pipe 221, and the other end passes through the buckle joint to be fixed on spiral pipe 221 to the personnel later stage opens the inside condition of inspection spiral pipe 221, and can be used to discharge the material of jam.

In this embodiment, a control box 6 is further installed on one side of the feeding chamber 2, and the control box 6 is electrically connected with the first fan 24, the second fan 25 and the spiral feeder 22, so as to be used for controlling equipment, and the upper end of the control box 6 is connected with a PLC controller 61, so that equipment conditions can be checked at any time through wireless remote control and observation. The control box 6 is internally provided with a spark detection alarm, the spark detection alarm is electrically connected with a spark detection sensor, the spark detection sensor is installed in the hot air pipeline to detect whether sparks are generated in the hot air pipeline or not, so that the alarm is timely given, and the automatic fire extinguishing is realized through spraying equipment which is arranged in a matched mode, and the spark detection alarm is electrically connected with the PLC 61 so as to realize linkage through the PLC 61, so that the shutdown of the equipment is timely controlled, and the safety of the equipment is ensured.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof. It is noted that relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides a high-efficient living beings environmental protection hot-blast furnace, includes frame and installs feed room, combustion chamber and the heat exchange chamber in the frame in proper order, be equipped with the furnace body in the combustion chamber, be equipped with the hopper of depositing living beings granule in the feed room, the lower extreme of hopper is equipped with the spiral feeder of carrying living beings granule, its characterized in that: the tail end of the spiral feeder is connected with the furnace body through a material guide pipe, and a pore plate for dispersing the conveyed biomass particles is arranged in the furnace body;

the lower end of the feeding chamber, which is positioned at the hopper, is provided with a first fan and a second fan, the outer end of the air outlet of the first fan is provided with an air duct, and the air duct is used for tapping the air duct so as to be used for dispersing materials and supplying air into the furnace body, so that the combustion efficiency is improved; the air outlet of the second fan is communicated with the combustion chamber through a connecting air guide pipe so as to guide out heat radiated by the furnace body.

2. The efficient biomass environment-friendly hot blast stove according to claim 1, wherein: the utility model discloses a biomass stove, including the dryer, the dryer is located the dryer, the baffle is connected with the first tuber pipe in the baffle upper end, first tuber pipe is connected with the first air supply mouth on the dryer, the furnace body is located the lower extreme inner wall of orifice plate and installs the second tuber pipe on the lower extreme inner wall of orifice plate, the second tuber pipe is connected with the second air supply mouth on the dryer, blow to the orifice plate, so that biomass particles evenly disperse in the furnace body, the grate is installed to the furnace body inner chamber lower extreme, the furnace body is located the lower extreme distribution of grate and is equipped with the breather pipe, the ventilation hole has been seted up in breather pipe upper end distribution, the breather pipe is external to be connected with the third air supply mouth on the dryer.

3. The efficient biomass environment-friendly hot blast stove according to claim 1, wherein: the combustion chamber is located the upper end of furnace body and is equipped with the air exit, combustion chamber and heat transfer room intercommunication, and the heat transfer room is kept away from one side of furnace body and is equipped with the air intake, and the indoor distribution of heat transfer is equipped with the heat exchange tube to utilize the heat exchange tube to carry out heat transfer to the flue gas of furnace body, produce the hot air.

4. The efficient biomass environment-friendly hot blast stove according to claim 3, wherein: the air guide pipe is annularly arranged along the outer end of the furnace body, and is provided with vent holes so as to blow heat radiated by the high-temperature furnace body upwards to be led out from the air outlet.

5. The efficient biomass environment-friendly hot blast stove according to claim 3, wherein: the upper end of the furnace body is connected with an upper smoke channel of the heat exchange chamber through a smoke pipe, the lower end of the heat exchange chamber is provided with a lower smoke channel connected with the heat exchange pipe, and the upper smoke channel and the lower smoke channel are distributed with a partition board at intervals, so that high-temperature smoke flows along an S shape in the heat exchange chamber and is finally guided out through a smoke outlet at the upper end of the heat exchange chamber.

6. The efficient biomass environment-friendly hot blast stove according to claim 1, wherein: the lower extreme of hopper is equipped with the control valve spare, the control valve spare includes disk seat and slip and inserts the shrouding of establishing on the disk seat, the electric putter of drive shrouding concertina movement, electric putter passes through the extension board to be fixed in the frame to through the speed of control valve spare unloading.

7. The efficient biomass environment-friendly hot blast stove according to claim 6, wherein: the spiral feeder comprises a spiral pipe and a spiral shaft arranged in the spiral pipe, an opening is formed in the upper end of one side of the spiral pipe and connected with the hopper, and the outer end of the spiral shaft is in transmission connection with a spiral motor to drive the spiral shaft to rotate.

8. The efficient biomass environment-friendly hot blast stove according to claim 7, wherein: the lower extreme that spiral pipe kept away from spiral motor one side has offered the putty mouth, and the spiral pipe corresponds the putty mouth and installs the inspection board, and the one end of inspection board articulates to be installed on the spiral pipe, and the other end passes through the buckle joint to be fixed on the spiral pipe.

9. The high-efficiency biomass environment-friendly hot blast stove according to any one of claims 1 to 8, wherein: one side of the feeding chamber is also provided with a control box, the control box is electrically connected with the first fan, the second fan and the spiral feeder and used for controlling equipment, and the upper end of the control box is connected with a PLC controller so as to control and observe equipment wirelessly and remotely.

10. The efficient biomass environment-friendly hot blast stove according to claim 9, wherein: the control box is internally provided with a spark detection alarm, the spark detection alarm is electrically connected with a spark detection sensor, the spark detection sensor is arranged in the hot air pipeline, and the spark detection alarm is electrically connected with the PLC controller so as to realize linkage through the PLC controller.