CN114738734B

CN114738734B - Energy-saving and environment-friendly heating equipment for crushing straw

Info

Publication number: CN114738734B
Application number: CN202210358146.8A
Authority: CN
Inventors: 王学文; 刘元德; 罗奎永; 杨洪文; 安丰山; 孙彦; 高修美; 张平德; 孙昀璟; 王欢; 徐鹏; 王富青
Original assignee: Shandong Yuan Quan Machinery Co ltd
Current assignee: Shandong Yuan Quan Machinery Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-12-20
Anticipated expiration: 2042-04-06
Also published as: CN114738734A

Abstract

The invention relates to a heating furnace, in particular to energy-saving and environment-friendly heating equipment for crushing straws. The feeding device, the air inlet device and the water inlet device are respectively connected with the combustion furnace, and a secondary combustion device is arranged in the seal head; the air inlet device comprises an air blower, an air inlet pipe I, an air inlet pipe II and an air inlet pipe III, wherein the output end of the air blower is respectively communicated with the air inlet pipe I, the air inlet pipe II and the air inlet pipe III; the combustion furnace comprises an annular furnace body, a water-gas chamber in the vertical direction is arranged on the outer side of the furnace body, the water-gas chamber is fixedly connected with the outer side wall of the furnace body, and the water-gas chamber is communicated with a secondary combustion device above the water-gas chamber. The device prolongs the combustion space and the combustion time of the fuel, ensures the full combustion of the fuel, reduces the emission of dense smoke and realizes energy conservation and emission reduction.

Description

Energy-saving and environment-friendly heating equipment for crushing straw

Technical Field

The invention relates to a heating furnace, in particular to energy-saving and environment-friendly heating equipment for crushing straws.

Background

At present, the firing equipment that people often used is ordinary whole equipment of toasting, and current equipment of toasting adopts the direct vent mostly, and direct vent heating furnace simple structure, heat radiating area is little, and fuel burning is not abundant, leads to discharging a large amount of black cigarettes and dense smoke in the combustion process, has caused serious pollution to the environment.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides energy-saving and environment-friendly heating equipment for crushing straws, which prolongs the combustion space and the combustion time of fuel, ensures the full combustion of the fuel, reduces the emission of dense smoke, and realizes energy conservation and emission reduction.

The technical scheme of the invention is as follows: an energy-saving and environment-friendly heating device for crushing straws comprises a feeding device, an air inlet device, a combustion furnace, an end enclosure and a heat dissipation device, wherein the end enclosure is positioned above the combustion furnace, the end enclosure and the heat dissipation device are sequentially communicated from bottom to top, the energy-saving and environment-friendly heating device also comprises a water inlet device and a secondary combustion device, the feeding device, the air inlet device and the water inlet device are respectively connected with the combustion furnace, and the secondary combustion device is arranged in the end enclosure;

the air inlet device comprises an air blower, an air inlet pipe I, an air inlet pipe II and an air inlet pipe III, the output end of the air blower is respectively communicated with the air inlet pipe I, the air inlet pipe II and the air inlet pipe III, the air inlet pipe I, the air inlet pipe II and the air inlet pipe III are connected in parallel, the air inlet pipe I is communicated with the lower part of the combustion furnace, the air inlet pipe II is communicated with the secondary combustion device, and the air inlet pipe III is communicated with the annular air chamber;

the combustion furnace comprises an annular furnace body, a vertical water gas chamber is arranged on the outer side of the furnace body, the water gas chamber is fixedly connected with the outer side wall of the furnace body, the water gas chamber is communicated with a secondary combustion device above the water gas chamber, the bottom of the water gas chamber is communicated with a water inlet device, an air inlet pipe V is arranged in the water gas chamber, the bottom end of the air inlet pipe V is communicated with an air inlet pipe II, and the top end of the air inlet pipe V is positioned at the upper part of the water gas chamber;

an annular air chamber is arranged along the annular outer side of the middle part of the furnace body, two ends of the annular air chamber are respectively communicated with the water air chamber, a plurality of air inlet pipes IV are arranged in the annular air chamber at intervals along the annular direction of the annular air chamber, the air inlet pipes IV are fixedly connected with the furnace body, one ends of the air inlet pipes IV are communicated with the annular air chamber, the other ends of the air inlet pipes IV are communicated with the combustion furnace chamber, and an included angle is formed between the air inlet pipes IV and the radial direction of the furnace body;

the secondary combustion device comprises a refractory cement plate, a combustion chamber, a refractory furnace and an air inlet pipe VI, wherein the refractory cement plate is positioned above the furnace body, a plurality of refractory furnace passages are arranged in the refractory cement plate, the air inlet pipe VI is arranged in the refractory furnace passages, one end of the air inlet pipe VI is communicated with a flue gas passage II, the other end of the air inlet pipe VI is communicated with the combustion chamber, the flue gas passage II is positioned above the water gas chamber and is communicated with the water gas chamber, the combustion chamber is fixed at the other side of the furnace body corresponding to the flue gas passage II, an air guide plate is arranged below the refractory cement plate, a flame flue gas passage is formed between the air guide plate and the refractory cement plate, the lower part of the combustion chamber is communicated with the combustion hearth through the flame flue gas passage, a plurality of refractory furnaces are arranged in the combustion chamber, the refractory furnaces and the air inlet pipe VI are correspondingly arranged, the bottoms of the refractory furnaces are communicated with the air inlet pipe VI, and the combustion chamber is communicated with the interior of the seal head through the passages in the refractory furnaces.

The feeding device comprises a feeding hopper, a feeding pipe and a feeding motor, wherein the bottom of the feeding hopper is communicated with the feeding pipe, the feeding pipe is fixedly connected with the outer wall of a combustion furnace, a feeding raking tooth and a feeding auger are arranged in the feeding hopper, the feeding auger is positioned at the bottom of the feeding hopper, a plurality of feeding raking teeth are arranged above the feeding auger, the end part of the feeding raking tooth is hinged with the side wall of the feeding hopper, one end of the feeding auger is in transmission connection with the feeding motor through a chain wheel transmission mechanism, and the other end of the feeding auger is positioned in the feeding pipe.

Fire burning furnace and include annular furnace body and the stove bottom that is located the furnace body bottom, annular furnace body is fixed on the stove bottom, and the outer wall of furnace body is fixed with the ignition rod, sets up the several along the annular inner wall interval of furnace body and prevents firebrick, resistant bottom stove bottom and fixed connection of nai firebrick, resistant top and refractory cement board fixed connection of nai firebrick, and the bottom of furnace body is equipped with the grate, still is equipped with furnace gate mouth and slag notch on the outer wall of furnace body, and the slag notch is located the below of grate.

The water inlet device comprises a water tank and a water inlet pipe, one end of the water inlet pipe is communicated with the water tank positioned outside the combustion furnace, and the other end of the water inlet pipe is communicated with the bottom of the water gas chamber.

The fire-resistant furnace pipe is in a cone shape, two ends of the fire-resistant furnace pipe are in an opening shape, one end with a small opening faces the combustion chamber, and the other end with a large opening faces the inside of the seal head.

Flue gas passageway I is equipped with above flue gas passageway II, the bottom and the head internal connection of flue gas passageway I, and the top of flue gas passageway I communicates with the heat abstractor of its top, is fixed with the deashing chimney on the flue gas passageway I, and the top interval of head sets up the several fin.

The heat abstractor includes the firebox of left and right both sides and is located several layers of finned tube between two fireboxes, several layers of finned tube set up along the direction of height interval of fireboxes, every layer of finned tube includes the finned tube that the several set up along the horizontal direction interval, the both ends of finned tube communicate with the firebox of both sides respectively, wherein the firebox outside of one side is equipped with the deashing mouth, the horizontal chimney of the firebox upper portion fixedly connected with of opposite side, the other end and the filter equipment fixed connection of horizontal chimney, draught fan and vertical chimney intercommunication are passed through at filter equipment's top.

The side wall of the furnace body is provided with a thermocouple which is electrically connected with a temperature controller, the temperature controller is respectively connected with the feeding device and the air inlet device, and the temperature in the hearth is accurately controlled through the temperature controller to reach the required temperature in the hearth.

The invention has the beneficial effects that:

(1) The application can adopt the crushed straws as fuel, and can fully utilize the biomass raw materials;

(2) The water entering the water vapor chamber forms water vapor under the action of high temperature by arranging the water vapor chamber, and the water vapor enters the combustion hearth and the secondary combustion device through the air inlet channel, and the water vapor is mixed with fuel gas to form water gas, so that the combustion supporting effect is realized;

(3) By arranging the annular air chamber, air flow with water gas forms cyclone in the hearth, so that air is uniformly fed into the hearth and is fully combusted;

(4) Through setting up the secondary combustion device, carry out the postcombustion with fuel and gas after carrying out the primary combustion in furnace, be equivalent to along having prolonged the combustion chamber, prolonged the combustion time of fuel greatly, guaranteed the abundant burning of fuel, can effectual reduction dense smoke's emission, reached energy saving and emission reduction's purpose.

Drawings

FIG. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic view of a first perspective structure of the present invention;

FIG. 3 is a second perspective view of the present invention;

FIG. 4 is a schematic diagram of the construction of the auger apparatus;

FIG. 5 is a schematic view of the internal structure of the furnace;

FIG. 6 is a schematic diagram of a top view of the annular plenum;

FIG. 7 is a schematic view of the connection of the air intake device to the combustion furnace;

FIG. 8 is a schematic sectional view of a combustion furnace and a secondary combustion apparatus;

FIG. 9 is a schematic perspective view of a secondary combustion apparatus;

FIG. 10 is a schematic diagram showing the structure of the secondary combustion apparatus in a right view;

fig. 11 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A in fig. 10.

In the figure: 1 a feeding device; 101 feeding and raking teeth; 102 feeding packing auger; 103 a hopper; 104 a chain wheel transmission mechanism; 105 a feed motor; 106 a feed pipe; 2, an air inlet device; 201 a blower; 202 an air inlet pipe I; 203, an air inlet pipe II; 204 an air inlet pipe III; 3, an ignition rod; 4, a combustion furnace; 5, an annular air chamber; 6, sealing the end; 7, a heat sink; 8 finned tubes; 9, cleaning ash; 10 fire box; 11 a furnace door opening; 12 a slag outlet; 13 a thermocouple; 14 a combustion chamber; 15 a smoke filter; 16 a vertical chimney; 18 induced draft fan; 19 a transverse chimney; 20 refractory bricks; 21, a furnace grate; 22 a grate support plate; 23, a water tank; 24, an air inlet pipe IV; 25, an air inlet pipe V; 26 a water gas chamber; 27 an air inlet pipe VI; 28, a dust cleaning chimney; 29 flue gas channel I; 30, a refractory furnace pipe; 31 a flame smoke channel; 32 refractory cement board; 33 a refractory cement; 34 furnace bottom; 35 a water inlet pipe; 36 air deflectors; 37 flue gas channel II.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be implemented in a number of ways different from those described herein and similar generalizations can be made by those skilled in the art without departing from the spirit of the invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

As shown in fig. 1 to 11, the energy-saving and environment-friendly heating equipment for crushing straw comprises a feeding device 1, an air intake device 2, a water intake device, a combustion furnace 4, a secondary combustion device and a heat dissipation device, wherein the feeding device 1, the air intake device and the water intake device are respectively connected with the combustion furnace 4, an end enclosure 6 is positioned above the combustion furnace 4, the secondary combustion device is arranged in the end enclosure 6, the heat dissipation device is positioned above the end enclosure 6, and the combustion furnace 4, the end enclosure 6 and the heat dissipation device are sequentially communicated from bottom to top.

As shown in fig. 2 and 4, the feeding device 1 includes a feeding hopper 103, a feeding pipe 106 and a feeding motor 105, wherein the bottom of the feeding hopper 103 is communicated with the feeding pipe 106, and the feeding pipe 106 is fixedly connected with the outer wall of the combustion furnace 4. A feeding raking tooth 101 and a feeding packing auger 102 are arranged in a charging hopper 103, the feeding packing auger 102 is positioned at the bottom of the charging hopper 103, a plurality of feeding raking teeth 101 are arranged above the feeding packing auger 102, the end part of each feeding raking tooth 101 is hinged with the side wall of the charging hopper 103, one end of the feeding packing auger 102 is in transmission connection with a feeding motor 105 through a chain wheel transmission mechanism 104, and the other end of the feeding packing auger 102 is positioned in a feeding pipe 106. When the feeding motor 105 acts, the feeding packing auger 102 is driven to rotate by the chain wheel transmission mechanism 104. The crushed straw is fed into the hopper 103 through an opening at the top of the hopper 102, and under the rotating action of the feeding auger 103, the crushed straw is continuously pushed and fed into the feeding pipe 106, so that the crushed straw enters the combustion furnace 4. Under the rotating action of the feeding raking teeth 101, the crushed straws can uniformly fall into the feeding packing auger 102, so that the straws are prevented from being blocked in the feeding packing auger 102, and continuous feeding is ensured. The feeding motor 105 can be controlled by a temperature controller, and can convey and crush straws at regular time, so that the heat supply of the hearth is ensured, and the aim of accurately providing fuel is fulfilled. Meanwhile, electric air valves are arranged on the air inlet pipes, and the heat supply temperature in the hearth is ensured by automatically controlling the wind power through the electric air valves according to the temperature of the hearth.

As shown in fig. 2 and 7, the air intake device 2 includes a blower 201, an air intake pipe i 202, an air intake pipe ii 203 and an air intake pipe iii 204, the output end of the blower 201 is respectively communicated with the air intake pipe i 202, the air intake pipe ii 203 and the air intake pipe iii 204, the air intake pipe i 202, the air intake pipe ii 203 and the air intake pipe iii 204 are connected in parallel, wherein the air intake pipe i 202 is communicated with the lower part of the combustion furnace 4, and a part of air is blown into the grate at the bottom of the combustion furnace 4 through the air intake pipe i 202, so as to ensure that the straw falling on the grate 21 is fully combusted. The air inlet pipe II 203 is communicated with the secondary combustion device, and a part of air is blown into the secondary combustion device through the air inlet pipe II 203 so as to ensure the full combustion in the secondary combustion device. The air inlet pipe III 204 is communicated with the annular air chamber 5, and air is blown into the annular air chamber 5 through the air inlet pipe III 204, so that air flow forms cyclone in the combustion furnace 4.

As shown in fig. 2, 3 and 5, the combustion furnace 4 includes an outermost annular furnace body fixed on the furnace bottom 34 and a furnace bottom 34 located at the bottom of the furnace body, and an annular combustion hearth is formed in the furnace body. An ignition rod 3 is fixed on the outer wall of the furnace body. A plurality of refractory bricks 20 are arranged at intervals along the annular inner wall of the furnace body, and the bottoms of the refractory bricks 20 are fixed on the furnace bottom 34. The bottom of the furnace body is provided with a grate 21, the grate 21 is fixed on the furnace bottom 34 through refractory cement 33 and a grate supporting plate 22, after the crushed straws enter the combustion furnace 4 through the feeding device 1, the crushed straws can directly fall onto the grate 21 at the bottom of the furnace body under the action of gravity, and the ignition rod 3 ignites at the moment, so that the crushed straws are ignited. Still be fixed with furnace gate 11 and slag notch 12 on the outer wall of furnace body, furnace gate 11 and the inside intercommunication of furnace, can observe the burning condition of straw in the burning furnace through furnace gate 11 by water. The slag outlet 11 is positioned below the grate 21, and ash generated after the straw is combusted can be discharged through the slag outlet 12.

The outer side of the furnace body 3 is provided with a water gas chamber 26, the water gas chamber 26 is fixedly connected with the outer side wall of the furnace body 3, and the water gas chamber 26 is communicated with a secondary combustion device above the water gas chamber. The bottom of the water chamber 26 communicates with the water inlet means. In this embodiment, the water inlet device includes a water tank 23 and a water inlet pipe 35, one end of the water inlet pipe 35 is communicated with the water tank 23 located outside the combustion furnace, and the other end of the water inlet pipe 35 is communicated with the bottom of the water vapor chamber 26. Water enters the water chamber 26 through the water inlet device and forms water vapor under the action of high temperature. An air inlet pipe V25 is arranged in the water air chamber 26, the bottom end of the air inlet pipe V25 is communicated with an air inlet pipe II 203, and the top end of the air inlet pipe V25 is positioned at the upper part of the water air chamber 26. An annular air chamber 5 is also arranged along the annular outer side of the furnace body 3, and two ends of the annular air chamber 5 are respectively communicated with the water-gas chamber 26. As shown in fig. 6, a plurality of air inlet pipes iv 24 are arranged in the annular air chamber 5 at intervals along the annular direction, the air inlet pipes iv 24 are obliquely fixed in the furnace body, one end of each air inlet pipe iv 24 is communicated with the annular air chamber 5, the other end of each air inlet pipe iv 24 is communicated with the combustion furnace, and a certain included angle is formed between each air inlet pipe iv 24 and the radial direction, in this embodiment, the included angle between each air inlet pipe iv 24 and the radial direction of the furnace body is 10 °. A part of the water vapor generated in the water gas chamber 26 directly flows into the secondary combustion device along with the air flow flowing in from the air inlet pipe II 203; the other part of the water vapor directly enters the annular air chamber 5, directly flows in the annular air chamber 5 at a high speed along with the air flow flowing in from the air inlet pipe III 204, enters a combustion hearth of the furnace body through the air inlet pipe IV 24, forms cyclone in the combustion furnace body and achieves the purposes of full combustion and uniform heat supply. In the combustion furnace and the secondary combustion device, the water vapor and the fuel gas are mixed to form water gas, so that the combustion supporting effect is realized, the fuel is fully combusted, and the emission of dense smoke is reduced.

As shown in fig. 8 to 11, the secondary combustion device comprises a refractory cement plate 32, a combustion chamber 14, a refractory furnace 30 and an air inlet pipe vi 27, wherein the top of the refractory brick 20 is fixedly connected with the refractory cement plate 32, a plurality of refractory furnace channels are arranged in the refractory cement plate 32, and a plurality of air inlet pipes vi 27 are arranged in the refractory furnace channels. One end of the air inlet pipe VI 27 is communicated with the flue gas channel II 37, and the other end of the air inlet pipe VI 27 is communicated with the combustion chamber 14. Wherein II 37 of flue gas passageway is located the top of aqueous vapor chamber 26, and II 37 of flue gas passageway and aqueous vapor chamber 26 intercommunication, II 37 of flue gas passageway and furnace body outer wall fixed connection. And a combustion chamber 14 is fixed on the other side of the furnace body corresponding to the flue gas channel II 37, the combustion chamber 14 is respectively and fixedly connected with the outside of the furnace body and the sealing head, and the combustion chamber 14 is respectively communicated with the combustion hearth and the inside of the sealing head. An air deflector 36 is arranged below the refractory cement plate 32, the air deflector 36 is fixedly connected with the combustion chamber 14, a certain gap is formed between the air deflector 36 and the refractory cement plate 32, the gap forms a flame flue gas channel 31, and the bottom of the combustion chamber 14 is communicated with the interior of the combustion hearth through the flame flue gas channel 31. After the flame and high-temperature flue gas generated by straw combustion in the combustion hearth meet the upper fireproof cement board 32, the flame and the high-temperature flue gas enter the combustion chamber 14 through the flame flue gas channel 31. A plurality of fire-resistant furnace liners 30 are arranged in the combustion chamber 14, the fire-resistant furnace liners 30 are correspondingly arranged with the air inlet pipe VI 27, the fire-resistant furnace liners 30 are cone-shaped, two ends of the fire-resistant furnace liners 30 are open, the end with the smaller opening faces the combustion chamber 14, and the end with the larger opening faces the inside of the seal head 6. The bottom of the fire-resistant furnace pipe 30 is communicated with the air inlet pipe VI 27, a conical channel is arranged in the fire-resistant furnace pipe 30, and the conical channel realizes the communication between the combustion chamber and the interior of the seal head. The high-speed air flow flowing in from the air inlet pipe II 203 drives part of the steam to directly flow into the air inlet pipe VI 27 and flow into the combustion chamber 14 along the air inlet pipe VI 27, the air speed of the air flow can be further improved through the air inlet pipe VI 27, the air flow is more concentrated, and the high-speed air flow with the steam is sent into a secondary combustion device so as to facilitate better combustion supporting. In the combustion chamber 14, under the combustion supporting action of the water gas, the fuel which is not fully combusted in the combustion furnace 4 and the flue gas after combustion are subjected to secondary combustion, so that the fuel is fully combusted. In this embodiment, three parallel fire-resistant furnace channels are prefabricated in the fire-resistant cement board 32, and an air inlet pipe vi 27 is disposed in each fire-resistant furnace channel, so that three fire-resistant furnaces 30 are correspondingly disposed. The flue gas generated after the secondary combustion flows into the end socket 6 through a conical channel in the refractory furnace pipe 30. Through setting up secondary combustion device, prolonged the length of combustion chamber and the burning time of fuel, realized the abundant burning of burning.

Flue gas passageway I29 is equipped with above flue gas passageway II 37, and flue gas passageway I29 and head 6's outer wall fixed connection, flue gas passageway I29's bottom and head internal connection, flue gas passageway I29's top and the heat abstractor intercommunication of its top, and the flue gas that produces after the postcombustion passes through in flue gas passageway I29 flows into heat abstractor. An ash removal chimney 28 is fixed on the flue gas channel I29, and ash generated after secondary combustion can be cleaned in time through the ash removal chimney 28. The top of head 6 sets up several fin 7 at interval, has realized the abundant heat dissipation of head.

The heat dissipation device comprises fire boxes 10 on the left side and the right side and a plurality of layers of finned tubes located between the two fire boxes 10, the plurality of layers of finned tubes are arranged at intervals along the height direction of the fire boxes 10, each layer of finned tube comprises a plurality of finned tubes 8 arranged at intervals along the horizontal direction, and two ends of each finned tube 8 are communicated with the fire boxes 10 on two sides respectively. The outer side of the fire box on one side is provided with a dust removing opening 9, the upper part of the fire box on the other side is fixedly connected with a transverse chimney 19, the other end of the transverse chimney 19 is fixedly connected with a filtering device 15, and the top of the filtering device 15 is communicated with a vertical chimney 16 through an induced draft fan 18. Under the action of the induced draft fan 18, the flue gas flows between layers in an S shape from bottom to top through the fire boxes 10 at the two ends of the finned tube 8, so that the purpose of sufficient heat dissipation is achieved. The iron wire filter screen in the filter device 15 can be used for filtering cigarette ash, and the purposes of environmental protection and energy saving are achieved.

In this application, be equipped with thermocouple 13 on the lateral wall of furnace body, the thermocouple is connected with outside temperature controller electricity, and the temperature controller is connected with feed arrangement and hot blast blowpipe apparatus respectively, through the temperature in the accurate control furnace of temperature controller, reaches the required temperature in the furnace.

The operation of the apparatus is as follows. Firstly, a feeding device 1, an air intake device and a water intake device are opened, wherein the crushed straws enter the combustion furnace through the feeding device 1 and automatically fall onto a grate 21 at the bottom of the combustion furnace under the action of gravity, and an ignition rod 3 automatically ignites to ignite the straws. The water inlet device introduces water into the water chamber 26, and water vapor is formed under the action of high temperature. Part of high-speed air flow generated by the air inlet device enters the bottom of the combustion hearth through the air inlet pipe I202 to ensure that straws on the grate 21 are fully combusted, the other part of high-speed air flow enters the annular air chamber 5 through the air inlet pipe III 204, and part of water vapor generated in the water vapor chamber enters the annular air chamber 5, flows at high speed in the annular air chamber under the driving of the high-speed air flow, and forms high-speed cyclone air flow in the furnace body through the air inlet pipe IV 24, so that the straws in the combustion hearth are fully combusted, the temperature in the combustion chamber is uniform, and uniform heat supply is realized. The rest part of high-speed air flow enters the air inlet pipe V25 through the air inlet pipe II 203, and after the high-speed air flow enters the water vapor chamber, part of water vapor is carried away, and the high-speed air flow directly flows into the air inlet pipe VI 27 through the flue gas channel II 37 and enters the combustion chamber 14 through the air inlet pipe VI 27. Because the straw can not be completely combusted in the furnace body, high-temperature flue gas and flame generated after combustion enter the combustion chamber 14 from the flame flue gas channel 31 at the top of the furnace body, and under the combustion supporting action of high-speed air flow with water vapor, the fuel which is not fully combusted is secondarily combusted in the combustion chamber 14, so that the full combustion of the fuel is realized. The flue gas generated after combustion flows into the end socket 6 through the refractory furnace pipe 30 and flows into the combustion device through a flue gas channel I29 at the top of the end socket 6. Under the action of the draught fan 18, the flue gas flows among the finned tubes 8 of each layer, and the sufficient heat dissipation is realized.

The energy-saving and environment-friendly heating equipment for crushing straws provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a smash energy-concerving and environment-protective heating equipment of straw, includes feed arrangement (1), hot blast blowpipe apparatus (2), fires burning furnace (4), head (6) and heat abstractor, and head (6) are located the top of firing burning furnace (4), fires burning furnace (4), head (6) and heat abstractor by supreme intercommunication in proper order down, its characterized in that: the device also comprises a water inlet device and a secondary combustion device, wherein the feeding device (1), the air inlet device and the water inlet device are respectively connected with the combustion furnace (4), and the secondary combustion device is arranged in the seal head (6);

the air inlet device (2) comprises an air blower (201), an air inlet pipe I (202), an air inlet pipe II (203) and an air inlet pipe III (204), the output end of the air blower (201) is respectively communicated with the air inlet pipe I (202), the air inlet pipe II (203) and the air inlet pipe III (204), the air inlet pipe I (202), the air inlet pipe II (203) and the air inlet pipe III (204) are connected in parallel, wherein the air inlet pipe I (202) is communicated with the lower part of the combustion furnace (4), the air inlet pipe II (203) is communicated with the secondary combustion device, and the air inlet pipe III (204) is communicated with the annular air chamber (5);

the combustion furnace (4) comprises an annular furnace body, a water-gas chamber (26) in the vertical direction is arranged on the outer side of the furnace body, the water-gas chamber (26) is fixedly connected with the outer side wall of the furnace body, the water-gas chamber (26) is communicated with a secondary combustion device above the water-gas chamber, the bottom of the water-gas chamber (26) is communicated with a water inlet device, an air inlet pipe V (25) is arranged in the water-gas chamber (26), the bottom end of the air inlet pipe V (25) is communicated with an air inlet pipe II (203), and the top end of the air inlet pipe V (25) is positioned at the upper part of the water-gas chamber (26);

an annular air chamber (5) is arranged along the annular outer side of the middle part of the furnace body (3), two ends of the annular air chamber (5) are respectively communicated with a water vapor chamber (26), a plurality of air inlet pipes IV (24) are arranged in the annular air chamber (5) at intervals along the annular direction of the annular air chamber, one end of each air inlet pipe IV (24) is communicated with the annular air chamber (5), the other end of each air inlet pipe IV (24) is communicated with the combustion furnace chamber, and an included angle is formed between each air inlet pipe IV (24) and the radial direction of the furnace body;

the secondary combustion device comprises a refractory cement plate (32), a combustion chamber (14), a refractory furnace pipe (30) and an air inlet pipe VI (27), wherein the refractory cement plate (32) is positioned above the furnace body, a plurality of refractory furnace pipe channels are arranged in the refractory cement plate (32), a plurality of air inlet pipes VI (27) are arranged in the refractory furnace pipe channels, one end of each air inlet pipe VI (27) is communicated with the corresponding flue gas channel II (37), the other end of each air inlet pipe VI (27) is communicated with the combustion chamber (14), the flue gas channels II (37) are positioned above the water gas chamber (26) and are communicated with the water gas chamber (26), a combustion chamber (14) is fixed on the other side of the furnace body corresponding to the smoke channel II (37), an air deflector (36) is arranged below the refractory cement plate (32), a flame smoke channel (31) is formed between the air deflector (36) and the refractory cement plate (32), the lower part of the combustion chamber (14) is communicated with a combustion furnace chamber through the flame smoke channel (31), a plurality of refractory furnace liners (30) are arranged in the combustion chamber (14), the refractory furnace liners (30) and the air inlet pipe VI (27) are correspondingly arranged, the bottom of the refractory furnace liners (30) is communicated with the air inlet pipe VI (27), the combustion chamber (14) is communicated with the interior of the seal head through the channel in the refractory furnace liners (30), and one end of the air inlet pipe VI (27) is arranged in the channel of the refractory furnace liners (30);

the refractory furnace pipe (30) is in a cone shape, two ends of the refractory furnace pipe are in an opening shape, one end with a small opening faces the combustion chamber (14), and the other end with a large opening faces the inside of the seal head (6).

2. The energy-saving and environment-friendly heating equipment for crushing straw according to claim 1, characterized in that: the feeding device (1) comprises a feeding hopper (103), a feeding pipe (106) and a feeding motor (105), the bottom of the feeding hopper (103) is communicated with the feeding pipe (106), the feeding pipe (106) is fixedly connected with the outer wall of a combustion furnace (4), a feeding raking tooth (101) and a feeding auger (102) are arranged in the feeding hopper (103), the feeding auger (102) is located at the bottom of the feeding hopper (103), a plurality of feeding raking teeth (101) are arranged above the feeding auger (102), the end part of each feeding raking tooth (101) is hinged to the side wall of the feeding hopper (103), one end of the feeding auger (102) is in transmission connection with the feeding motor (105) through a chain wheel transmission mechanism (104), and the other end of the feeding auger (102) is located in the feeding pipe (106).

3. The energy-saving and environment-friendly heating equipment for crushing straws as claimed in claim 1, is characterized in that: combustion furnace (4) include annular furnace body and stove bottom (34) that is located the furnace body bottom, annular furnace body is fixed on stove bottom (34), the outer wall of furnace body is fixed with ignition rod (3), set up several resistant firebrick (20) along the annular inner wall interval of furnace body, the bottom and stove bottom (34) fixed connection of resistant firebrick (20), the top and the refractory cement board (32) fixed connection of resistant firebrick (20), the bottom of furnace body is equipped with grate (21), still be equipped with furnace gate mouth (11) and slag notch (12) on the outer wall of furnace body, slag notch (11) are located the below of grate (21).

4. The energy-saving and environment-friendly heating equipment for crushing straw according to claim 1, characterized in that: the water inlet device comprises a water tank (23) and a water inlet pipe (35), one end of the water inlet pipe (35) is communicated with the water tank (23) positioned outside the combustion furnace, and the other end of the water inlet pipe (35) is communicated with the bottom of the water-gas chamber (26).

5. The energy-saving and environment-friendly heating equipment for crushing straws as claimed in claim 1, is characterized in that: the top of flue gas passageway II (37) is equipped with flue gas passageway I (29), the bottom and the head internal connection of flue gas passageway I (29), the top of flue gas passageway I (29) and the heat abstractor intercommunication rather than the top are fixed with deashing chimney (28) on flue gas passageway I (29), and the top interval of head (6) sets up several fin (7).

6. The energy-saving and environment-friendly heating equipment for crushing straws as claimed in claim 1, is characterized in that: heat abstractor includes the firebox (10) of a left side, the right side both sides and be located several layers of finned tube between two fireboxes (10), several layers of finned tube set up along the direction of height interval of firebox (10), every layer of finned tube includes finned tube (8) that the several set up along the horizontal direction interval, the both ends of finned tube (8) communicate with firebox (10) of both sides respectively, wherein the firebox outside of one side is equipped with deashing mouth (9), the firebox upper portion fixedly connected with horizontal chimney (19) of opposite side, the other end and the filter equipment (15) fixed connection of horizontal chimney (19), draught fan (18) and vertical chimney (16) intercommunication are passed through at the top of filter equipment (15).

7. The energy-saving and environment-friendly heating equipment for crushing straws as claimed in claim 1, is characterized in that: and a thermocouple (13) is arranged on the side wall of the furnace body and is electrically connected with a temperature controller, and the temperature controller is respectively connected with the feeding device and the air inlet device.