CN110131740B

CN110131740B - Environment-friendly boiler for combusting biomass fuel

Info

Publication number: CN110131740B
Application number: CN201910460191.2A
Authority: CN
Inventors: 李娜
Original assignee: Guangzhou Didong Environmental Protection Technology Co ltd
Current assignee: Guangzhou Didong Environmental Protection Technology Co ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-08-21
Anticipated expiration: 2039-05-30
Also published as: CN110131740A

Abstract

The invention discloses an environment-friendly boiler for burning biomass fuel, which can solve the problems that the existing boiler for burning biomass fuel does not have the function of automatically adjusting the air pressure in the boiler according to the air pressure in different bin bodies in the boiler when in use, and different bin bodies in the boiler are often reused for burning different types of biomass fuel, so the discharged polluted gas is different, and the existing boiler only discharges all the gas into a gas recovery box body for subsequent emission reduction treatment, does not discharge different types of biomass fuel in a classified manner, does not recycle the waste heat in the discharged gas, and is not energy-saving and environment-friendly. The furnace body is fixedly mounted on the bottom frame, the gas recovery box is fixedly mounted on the two-layer frame, the two-layer frame is welded to the top of the bottom frame, and the bottom frame is provided with an external hydraulic pump.

Description

Environment-friendly boiler for combusting biomass fuel

Technical Field

The invention relates to the field of boilers, in particular to an environment-friendly boiler for combusting biomass fuel.

Background

The boiler is an energy conversion device, the energy input to the boiler is chemical energy and electric energy in fuel, the boiler outputs steam, high-temperature water or organic heat carrier with certain heat energy, the application range of the boiler is very wide, and the boiler comprises a boiler for burning biomass fuel. However, the existing boiler for burning biomass fuel still has certain defects when in use, and does not have the function of automatically adjusting the pressure in the boiler according to the pressure in each different bin body inside the boiler, and different bin bodies inside the boiler are often reused for burning different types of biomass fuel, therefore, the discharged polluted gas is also different, the existing boiler only discharges all the gas into the gas recovery box body for subsequent emission reduction treatment, and does not discharge the discharged gas according to the classification of different types of biomass fuel, and does not realize good recycling of the waste heat in the discharged gas, thereby being not energy-saving and environment-friendly.

Disclosure of Invention

The invention aims to provide an environment-friendly boiler for burning biomass fuel, which can solve the problems that the existing boiler for burning biomass fuel does not have the function of automatically adjusting the air pressure in the boiler according to the air pressure in different bin bodies in the boiler when in use, and different bin bodies in the boiler are often reused for burning different types of biomass fuel, so the discharged polluted gas is different, the existing boiler only discharges all the gas into a gas recovery box body for subsequent emission reduction treatment, does not discharge different types of biomass fuel in a classified manner, does not recycle the waste heat in the discharged gas, and is not energy-saving and environment-friendly.

The purpose of the invention can be realized by the following technical scheme:

an environment-friendly boiler for burning biomass fuel comprises a boiler body fixedly arranged on an underframe and a gas recovery tank fixedly arranged on a two-layer frame, wherein the two-layer frame is welded on the top of the underframe, an external hydraulic pump is arranged on the underframe, the top of the external hydraulic pump is connected with a first transverse pipe and a second transverse pipe, an exhaust assembly is connected between the boiler body and the gas recovery tank, a plurality of bin bodies divided by sealing plates are arranged inside the boiler body and the gas recovery tank, inner pulleys are arranged at two ends of each sealing plate and are embedded into inner chutes on the inner walls at two sides of the bin bodies, one end of each sealing plate is connected with a traction rod on the outer wall of the bin body, a plurality of internal boiler air pressure detectors corresponding to the bin bodies and connected into the bin bodies are arranged at the top of the boiler body, a plurality of top covers corresponding to, each top cover is provided with an in-box air pressure detector connected into the bin body;

the middle part of the exhaust component is provided with an air suction pump, the air suction pump is connected with a second external connecting pipe on the outer wall of the gas recovery box through a pipeline, the air suction pump is connected with a first external connecting pipe on the outer wall of two sides of the furnace body through two pipelines, the first external connecting pipe and the second external connecting pipe are respectively connected with a plurality of double-way pipes which are uniformly distributed, each double-way pipe is connected with the first external connecting pipe and the second external connecting pipe through a valve, one end of the double-way pipe on the outer wall of the furnace body is led into the furnace body, one end of the double-way pipe on the outer wall of the gas recovery box is led into the gas recovery box, the furnace body corresponds to the inner walls of two sides of the first external connecting pipe and the inner wall of the gas recovery box corresponding to the second external connecting pipe and is respectively provided with a plurality of internal hydraulic, an internal hydraulic telescopic rod is connected to the side wall of each internal hydraulic pump, one end of each internal hydraulic telescopic rod is connected with a pipe head, and the pipe heads are connected with a two-way pipe through connecting pipes;

the side walls of the first transverse pipe and the second transverse pipe which are adjacent to each other are provided with bottom sliding grooves, sliding balls connected with sliding plates are mounted inside the bottom sliding grooves, an external hydraulic telescopic rod is connected to the side wall of each sliding plate and connected with an external hydraulic pump through a pipeline, and each sliding plate is connected with a corresponding traction rod.

Preferably, a protective frame is arranged between the furnace body and the gas recovery box and positioned on two sides of the furnace body and the gas recovery box, and the furnace body and the gas recovery box are respectively fixed on the bottom frame and the two-layer frame through the protective frame.

Preferably, the first external connecting pipe is positioned on the side wall of the bottom of the furnace body, and the second external connecting pipe is positioned on the side wall of the bottom of the gas recovery box.

Preferably, the tube head is movably connected with the inner wall of the bin body through an internal hydraulic telescopic rod.

Preferably, the sealing plate is connected with the inner wall of the bin body in a sliding mode through the traction rod, the sliding plate and the external hydraulic telescopic rod, and the sliding direction of the sealing plate is the same as the direction of the inner sliding groove.

Preferably, when the sealing plate slides, the volume of the bin body is changed, and the number of the bin bodies in the furnace body corresponds to that in the gas recovery box.

Preferably, when the gas inlet pipeline of the getter pump is connected with the furnace body and the gas exhaust pipeline is connected with the gas recovery box, gas in the furnace body is sent to the gas recovery box, and when the gas inlet pipeline of the getter pump is connected with the gas recovery box and the gas exhaust pipeline is connected with the furnace body, gas in the gas recovery box is sent back to the furnace body.

Preferably, the using method of the environment-friendly boiler comprises the following specific steps:

the method comprises the following steps: firstly, opening a top cover at the top of each bin body of a gas recovery box, putting processing parts and processing raw materials required by corresponding purified gas processing into each bin body, when the gas in the furnace body needs to be purified, firstly connecting a gas inlet pipeline of a gas suction pump with the furnace body, and when an exhaust pipeline is connected with the gas recovery box, enabling the gas in the furnace body to be sent to the gas recovery box, opening valves of two-way pipes on the side wall of the bin body corresponding to the side wall of the bin body in the furnace body and valves of two-way pipes on the side wall of the bin body corresponding to the bin body of the furnace body in the gas recovery box, closing all the other valves, and sending the gas required to be purified in the bin body of the furnace body into the bin body of the corresponding gas;

step two: when the tube head extracts gas, the internal hydraulic telescopic rod is driven to stretch by the internal hydraulic pump, the tube head can move upwards from the bottom of a bin body in the furnace body in the stretching process to gradually pump all the gas at different height positions in the bin body into the corresponding bin body of the gas recovery box, and the corresponding type of gas is purified in the corresponding bin body of the gas recovery box;

step three: the gas pressure detector at the top of each bin body detects the internal gas pressure inside the furnace body and the gas recovery box in real time, when the internal gas pressure of the bin body is too high or too low, the external hydraulic pump drives the corresponding external hydraulic telescopic rod to stretch, the stretching of the external hydraulic telescopic rod drives the sliding plate to slide along the bottom sliding groove, so that the traction rod is driven to drive the sealing plate to slide along the inner sliding groove, and the internal gas pressure of the bin body is adjusted in a mode of adjusting the volume of the bin body;

step four: finally, after the gas is guided into the gas recovery box to complete purification treatment, the gas in the gas recovery box still carries a large amount of heat and is subjected to purification treatment, and at the moment, when the gas inlet pipeline of the suction pump is connected with the gas recovery box and the exhaust pipeline is connected with the furnace body, the suction pump pumps the gas in the gas recovery box into the furnace body for waste heat utilization.

The invention has the beneficial effects that: when gas in the furnace body needs to be purified, firstly, a gas inlet pipeline of an air suction pump is connected with the furnace body, an exhaust pipeline is connected with a gas recovery box, so that the gas in the furnace body is sent to the gas recovery box, valves of two-way pipes on the side wall of a bin body corresponding to the side wall of the bin body in the furnace body and valves of two-way pipes on the side wall of the bin body corresponding to the bin body in the furnace body are opened, and the rest valves are all closed;

because each double-way pipe is connected with the pipe head through the connecting pipe, and one end of the pipe head is connected with the internal hydraulic telescopic rod, when the pipe head extracts gas, the internal hydraulic telescopic rod can be driven to stretch through the internal hydraulic pump, and the pipe head can move upwards from the bottom of the bin body in the stretching process to gradually pump all the gas at different height positions in the bin body into the gas recovery box, so that the gas in each bin body can be effectively and thoroughly purified;

because the first transverse pipe, the second transverse pipe and the top of each bin body are all provided with the air pressure detectors, the internal air pressure of each bin body inside the furnace body and the gas recovery box can be detected in real time, when the internal air pressure of the bin body is too high or too low, the corresponding external hydraulic telescopic rods can be driven to stretch by the external hydraulic pumps, the sliding plate is driven to slide along the bottom sliding chute by the stretching of the external hydraulic telescopic rods, so that the traction rod is driven to drive the sealing plate to slide along the inner sliding chute, the internal air pressure of the bin body is adjusted by adjusting the volume of the bin body, the stability of the furnace body and the gas recovery box during operation is effectively ensured, and the problems that more gas to be treated is discharged by individual bin bodies inside the furnace body, less gas to be treated is discharged by the individual bin bodies, and the bin bodies inside the gas recovery box cannot be accommodated or, the utilization rate of the inner spaces of the furnace body and the gas recovery box is effectively improved while more stability and safety are ensured;

because the inside gas of gas recovery case still carries a large amount of heats to gas has been through purification treatment, at this moment, through the admission line with the aspirator pump be connected with gas recovery case, when exhaust duct is connected with the furnace body, the aspirator pump is with inside the gas withdrawal furnace body of gas recovery case inside, thereby can play fine heat recovery and utilization's effect, effective energy saving here is the second kind using-way of exhaust subassembly.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

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

FIG. 2 is a front view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a side view of the present invention;

FIG. 5 is a schematic view of the exhaust assembly of the present invention;

FIG. 6 is a schematic view of the internal structure of the furnace body according to the present invention;

FIG. 7 is a schematic view of a first cross tube of the present invention;

in the figure: 1. a chassis; 2. a second layer of frame; 3. a furnace body; 4. a gas recovery tank; 5. a protection frame; 6. an exhaust assembly; 7. an external hydraulic pump; 8. a furnace air pressure detector; 9. a top cover; 10. an in-tank air pressure detector; 11. a first cross tube; 12. a second cross tube; 13. a first external pipe; 14. a second outer adapter tube; 15. a getter pump; 16. a double-way pipe; 17. an internal hydraulic pump; 18. an internal hydraulic telescoping rod; 19. a pipe head; 20. a connecting pipe; 21. a bin body; 22. an inner chute; 23. closing the plate; 24. a draw bar; 25. an inner pulley; 26. a bottom chute; 27. an external hydraulic telescoping rod; 28. a slide plate; 29. and (4) sliding the beads.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, an environment-friendly boiler burning biomass fuel comprises a boiler body 3 fixedly mounted on a bottom frame 1 and a gas recovery box 4 fixedly mounted on a two-layer frame 2, the two-layer frame 2 is welded on the top of the bottom frame 1, an external hydraulic pump 7 is mounted on the bottom frame 1, the top of the external hydraulic pump 7 is connected with a first horizontal pipe 11 and a second horizontal pipe 12, an exhaust assembly 6 is connected between the boiler body 3 and the gas recovery box 4, a plurality of bin bodies 21 partitioned by sealing plates 23 are arranged inside the boiler body 3 and the gas recovery box 4, inner pulleys 25 are mounted at both ends of each sealing plate 23, the inner pulleys 25 are embedded inside inner chutes 22 on the inner walls at both sides of the bin body 21, one end of each sealing plate 23 is connected with a traction rod 24 on the outer wall of the bin body 21, a plurality of in-boiler air pressure detectors 8 corresponding to the, the top of the gas recovery box 4 is provided with a plurality of top covers 9 corresponding to the bin bodies 21, and each top cover 9 is provided with an in-box gas pressure detector 10 connected into the bin body 21;

an air suction pump 15 is arranged in the middle of the exhaust component 6, the air suction pump 15 is connected with a second external connecting pipe 14 on the outer wall of the gas recovery box 4 through a pipeline, the air suction pump 15 is connected with a first external connecting pipe 13 on the outer wall of two sides of the furnace body 3 through two pipelines, a plurality of double-way pipes 16 which are uniformly distributed are connected on the first external connecting pipe 13 and the second external connecting pipe 14, a valve is arranged at the joint between each double-way pipe 16 and the first external connecting pipe 13 and the second external connecting pipe 14, one end of each double-way pipe 16 on the outer wall of the furnace body 3 is led into the furnace body 3, one end of each double-way pipe 16 on the outer wall of the gas recovery box 4 is led into the gas recovery box 4, a plurality of internal hydraulic pumps 17 are arranged on the inner walls of two sides of the furnace body 3 corresponding to the first external connecting pipe 13 and the inner wall of the gas recovery box 4 corresponding to, an internal hydraulic telescopic rod 18 is connected to the side wall of each internal hydraulic pump 17, one end of each internal hydraulic telescopic rod 18 is connected with a pipe head 19, and each pipe head 19 is connected with the double-way pipe 16 through a connecting pipe 20;

the adjacent side walls of the first transverse pipe 11 and the second transverse pipe 12 are respectively provided with a bottom sliding groove 26, a sliding ball 29 connected with a sliding plate 28 is arranged inside the bottom sliding groove 26, the side wall of each sliding plate 28 is connected with an external hydraulic telescopic rod 27, the external hydraulic telescopic rods 27 are connected with an external hydraulic pump 7 through pipelines, and each sliding plate 28 is connected with a corresponding position of a traction rod 24.

The furnace body 3 and the gas recovery box 4 are provided with a protection frame 5 between the two, and the furnace body 3 and the gas recovery box 4 are respectively fixed on the bottom frame 1 and the two-layer frame 2 through the protection frame 5, so that the stability of the positions of the furnace body 3 and the gas recovery box 4 is ensured.

The first external connection pipe 13 is located on the bottom side wall of the furnace body 3, and the second external connection pipe 14 is located on the bottom side wall of the gas recovery tank 4, so that the initial suction from the inside of the furnace body 3 can be started from the bottommost portion, and the intake gas can be fed from the bottommost portion of the gas recovery tank 4.

Tube head 19 is through swing joint between inside hydraulic telescoping rod 18 and the storehouse body 21 inner wall for tube head 19 can stretch out and draw back through inside hydraulic telescoping rod 18 of inside hydraulic pump 17 drive when extracting gas, and tube head 19 can be inside the equal suction gas recovery case 4 of all gaseous not co-altitude positions of storehouse body 21 inside gradually from the bottom up motion of the storehouse body 21 at flexible in-process, thereby effectively ensures that can thoroughly purify every storehouse body 21 inside gas.

The sealing plate 23 is connected with the inner wall of the bin body 21 in a sliding way through the draw bar 24, the sliding plate 28 and the external hydraulic telescopic rod 27, the sliding direction of the sealing plate 23 is the same as the direction of the inner chute 22, the internal air pressure of each bin body 21 in the furnace body 3 and the gas recovery box 4 can be detected in real time, when the internal air pressure of the bin body 21 is too high or too low, the corresponding external hydraulic telescopic rod 27 can be driven to stretch by the external hydraulic pump 7, the sliding plate 28 is driven to slide along the bottom chute 26 by the stretching of the external hydraulic telescopic rod 27, so that the draw bar 24 is driven to drive the sealing plate 23 to slide along the inner chute 22, the internal air pressure of the bin body 21 is adjusted by adjusting the volume of the bin body 21, the stability of the furnace body 3 and the gas recovery box 4 in operation is effectively ensured, and more gas which, the gas that needs the processing that individual storehouse body 21 discharged is less, and the inside storehouse body 21 of gas recovery case 4 does not hold down or has the extravagant problem in great space, effectively promotes the utilization ratio of furnace body 3 and gas recovery case 4 inner space when guaranteeing more stable safety.

When the closing plate 23 slides, the volume of the bin body 21 is changed, and the number of the bin bodies 21 in the bin body 3 corresponds to the number of the bin bodies 21 in the gas recovery box 4, so that the gas required to be purified in the corresponding bin bodies 21 in the bin body 3 can be discharged into the corresponding bin bodies 21 in the gas recovery box 4 to be purified, and the classification function is realized.

When the admission line of aspirator pump 15 is connected with furnace body 3, exhaust duct is connected with

gas recovery case

4, and 3 inside gas of furnace body are sent to gas recovery case 4, and the admission line of aspirator pump 15 is connected with gas recovery case 4, when exhaust duct is connected with

furnace body

3, and 4 inside gas of gas recovery case give back to furnace body 3 for exhaust subassembly 6 has two kinds of using-way, specifically as follows:

when the gas in the furnace body 3 needs to be purified, firstly, an air inlet pipeline of the air suction pump 15 is connected with the furnace body 3, and an exhaust pipeline is connected with the gas recovery box 4, so that the gas in the furnace body 3 is sent to the gas recovery box 4, a valve corresponding to a double-way pipe 16 on the side wall of a bin body 21 in the furnace body 3 and a valve corresponding to a double-way pipe 16 on the side wall of a bin body 21 in the gas recovery box 4 corresponding to the bin body 21 in the furnace body 3 are opened, and the rest valves are all closed, and the gas to be purified in the bin body 21 in the furnace body 3 is sent to the bin body 21 in the corresponding gas recovery box 4 by using the air suction pump 15, so that different types of harmful gas discharged in different bin bodies 21 can be purified, targeted classification and purification treatment can be realized, the treatment effect is better, and the environment-friendly effect is better;

because the inside gas of gas recovery case 4 still carries a large amount of heats to gas has been through purification treatment, at this moment, through being connected gas recovery case 4 with the admission line of aspirator pump 15, when exhaust duct is connected with furnace body 3, aspirator pump 15 takes the inside gas of gas recovery case 4 back to inside furnace body 3, thereby can play fine heat recovery and utilization's effect, effective energy saving, here is the second kind using-way of exhaust subassembly 6.

The using method of the environment-friendly boiler comprises the following specific steps:

the method comprises the following steps: firstly, opening a top cover 9 at the top of each bin body 21 of a gas recovery box 4, putting processing parts and processing raw materials required by corresponding to the processing of required purified gas into each bin body 21, when the gas in the furnace body 3 needs to be purified, firstly connecting a gas inlet pipeline of a gas suction pump 15 with the furnace body 3, and connecting an exhaust pipeline with the gas recovery box 4, so that the gas in the furnace body 3 is sent to the gas recovery box 4, opening a valve of a double-way pipe 16 on the side wall of the bin body 21 corresponding to the side wall of the bin body 3 in the furnace body 3 and a valve of the double-way pipe 16 on the side wall of the bin body 21 corresponding to the bin body 21 in the gas recovery box 4 corresponding to the furnace body 3, closing all the rest valves, and sending the gas required to be purified in the bin body 21 of the furnace body 3 into the;

step two: when the pipe head 19 extracts gas, the internal hydraulic telescopic rod 18 is driven to stretch by the internal hydraulic pump 17, the pipe head 19 can move upwards from the bottom of the bin body 21 in the furnace body 3 in the stretching process to gradually pump all the gas at different height positions in the bin body 21 into the corresponding bin body 21 of the gas recovery box 4, and the corresponding type of gas is purified in the bin body 21 of the corresponding gas recovery box 4;

step three: the air pressure detector at the top of each bin body 21 detects the internal air pressure inside the furnace body 3 and the gas recovery box 4 in real time, when the internal air pressure inside the bin body 21 is too high or too low, the external hydraulic pump 7 drives the corresponding external hydraulic telescopic rod 27 to stretch, the stretching of the external hydraulic telescopic rod 27 is utilized to drive the sliding plate 28 to slide along the bottom sliding chute 26, so that the traction rod 24 is driven to drive the sealing plate 23 to slide along the inner sliding chute 22, and the internal air pressure inside the bin body 21 is adjusted by adjusting the volume of the bin body 21;

step four: finally, after the gas is introduced into the gas recovery box 4 and the purification treatment is completed, the gas in the gas recovery box 4 still carries a large amount of heat, and the gas is subjected to the purification treatment, at this time, when the gas inlet pipeline of the getter pump 15 is connected with the gas recovery box 4 and the gas exhaust pipeline is connected with the furnace body 3, the getter pump 15 pumps the gas in the gas recovery box 4 back into the furnace body 3 for waste heat utilization.

The invention has the beneficial effects that: when the gas in the furnace body 3 needs to be purified, firstly, an air inlet pipeline of the air suction pump 15 is connected with the furnace body 3, and an exhaust pipeline is connected with the gas recovery box 4, so that the gas in the furnace body 3 is sent to the gas recovery box 4, a valve corresponding to a double-way pipe 16 on the side wall of a bin body 21 in the furnace body 3 and a valve corresponding to a double-way pipe 16 on the side wall of a bin body 21 in the gas recovery box 4 corresponding to the bin body 21 in the furnace body 3 are opened, and the rest valves are all closed, and the gas to be purified in the bin body 21 in the furnace body 3 is sent to the bin body 21 in the corresponding gas recovery box 4 by using the air suction pump 15, so that different types of harmful gas discharged in different bin bodies 21 can be purified, targeted classification and purification treatment can be realized, the treatment effect is better, and the environment-friendly effect is better;

because each double-way pipe 16 is connected with the pipe head 19 through the connecting pipe 20, and one end of the pipe head 19 is connected with the internal hydraulic telescopic rod 18, when the pipe head 19 extracts gas, the internal hydraulic telescopic rod 18 can be driven to stretch through the internal hydraulic pump 17, and the pipe head 19 can move upwards from the bottom of the bin body 21 in the stretching process to gradually pump all the gas at different height positions in the bin body 21 into the gas recovery box 4, so that the gas in each bin body 21 can be effectively and thoroughly purified;

because the first horizontal pipe 11, the second horizontal pipe 12 and the top of each bin body 21 are all provided with an air pressure detector, the internal air pressure of each bin body 21 in the furnace body 3 and the gas recovery box 4 can be detected in real time, when the internal air pressure of the bin body 21 is too high or too low, the corresponding external hydraulic telescopic rods 27 can be driven to stretch by the external hydraulic pumps 7, the sliding plates 28 are driven to slide along the bottom chutes 26 by the stretching of the external hydraulic telescopic rods 27, so that the traction rods 24 with the sealing plates 23 slide along the inner chutes 22 are driven to adjust the internal air pressure of the bin body 21 by adjusting the volume of the bin body 21, the stability of the furnace body 3 and the gas recovery box 4 during operation is effectively ensured, more gas to be processed and less gas to be processed which is discharged by the individual bin body 21 in the furnace body 3 can be effectively solved, the bin body 21 in the gas recovery box 4 cannot be accommodated or a large space is wasted, so that the utilization rate of the inner space of the furnace body 3 and the gas recovery box 4 is effectively improved while more stability and safety are ensured;

When the invention is used, firstly, the whole device is assembled, a furnace body 3 is fixedly arranged on a bottom frame 1, a gas recovery box 4 is fixedly arranged at the top of a two-layer frame 2, then the furnace body 3 and the gas recovery box 4 are fixed by a protective frame 5, the furnace body 3 and the gas recovery box 4 are connected by an exhaust component 6, then a first transverse pipe 11 and a second transverse pipe 12 are arranged between the furnace body 3 and the gas recovery box 4, an air suction pump 15 is arranged in the middle of the exhaust component 6, the air suction pump 15 is connected with a second external connecting pipe 14 positioned on the outer wall of the gas recovery box 4 by a pipeline, the air suction pump 15 is connected with a first external connecting pipe 13 positioned on the outer walls of two sides of the furnace body 3 by two pipelines, a plurality of double-way pipes 16 which are uniformly distributed and are provided with valves are connected on the first external connecting pipe 13 and the second external connecting pipe 14, one end of the double-way pipe 16 positioned on the outer, one end of a double-pass pipe 16 positioned on the outer wall of the gas recovery box 4 is led into the gas recovery box 4, a plurality of internal hydraulic pumps 17 are respectively arranged on the inner walls of the two sides of the furnace body 3 corresponding to the first external connecting pipe 13 and the inner wall of the gas recovery box 4 corresponding to the second external connecting pipe 14, the positions of the internal hydraulic pumps 17 correspond to the positions of the double-pass pipe 16, an internal hydraulic telescopic rod 18 is respectively connected to the side wall of each internal hydraulic pump 17, one end of each internal hydraulic telescopic rod 18 is connected with a pipe head 19, and the pipe head 19 is connected with the double-pass pipe 16 through; the bottom chutes 26 of the first transverse pipe 11 and the second transverse pipe 12 are internally provided with sliding balls 29 connected with sliding plates 28, the side wall of each sliding plate 28 is connected with an external hydraulic telescopic rod 27, the external hydraulic telescopic rod 27 is connected with an external hydraulic pump 7 through a pipeline, each sliding plate 28 is connected with a corresponding draw bar 24, finally, the top of each bin 21 of the furnace body 3 is provided with an in-furnace air pressure detector 8 connected into the bin 21, the top of each bin 21 of the gas recovery box 4 is provided with an in-box air pressure detector 10 connected into the bin 21, the in-furnace air pressure detector 8, the in-box air pressure detector 10, the external hydraulic pump 7, the air suction pump 15 and the internal hydraulic pump 17 are all in wired connection with an external PLC (the type: CPM1A), and the in-furnace air pressure detector 8, the in-box air pressure detector 10 and the external hydraulic pump 7 are all in wired, The air suction pump 15 and the internal hydraulic pump 17 are connected with an external power supply and can be used after being assembled. When in use, firstly, the top cover 9 at the top of each bin body 21 of the gas recovery box 4 is opened, processing parts and processing raw materials required by corresponding purified gas processing are put into each bin body 21, when the gas in the furnace body 3 needs to be purified, firstly, the gas inlet pipeline of the air suction pump 15 is connected with the furnace body 3, when the gas exhaust pipeline is connected with the gas recovery box 4, the gas in the furnace body 3 is sent to the gas recovery box 4, the valve of the bi-pass pipe 16 on the side wall of the bin body 21 in the furnace body 3 corresponding to the valve of the bi-pass pipe 16 on the side wall of the bin body 21 in the gas recovery box 4 corresponding to the bin body 21 of the furnace body 3 is opened, the rest valves are all closed, the gas required to be purified in the bin body 21 of the furnace body 3 is sent into the bin body 21 of the corresponding gas recovery box 4 by the air suction pump 15, because each bi-pass, and one end of the tube head 19 is connected with the internal hydraulic telescopic rod 18, so that when the tube head 19 extracts gas, the PLC controller can control the internal hydraulic pump 17 to drive the internal hydraulic telescopic rod 18 to stretch and retract, the tube head 19 can move upwards from the bottom of the bin body 21 in the stretching process to gradually pump all the gas at different height positions in the bin body 21 into the gas recovery box 4, thereby effectively ensuring that the gas in each bin body 21 can be thoroughly purified, purifying different types of harmful gas discharged from different bin bodies 21 can be realized, targeted classification purification treatment can be realized, the treatment effect is better, the environment is more environment-friendly, and because the first transverse tube 11, the second transverse tube 12 and the top of each bin body 21 are respectively provided with a gas pressure detector, the internal gas pressure of each bin body 21 in the furnace body 3 and the gas recovery box 4 can be detected in real time, when the internal air pressure of the bin body 21 is too high or too low, the PLC controller can control the external hydraulic pump 7 to drive the corresponding external hydraulic telescopic rod 27 to stretch and retract, the stretching and retracting of the external hydraulic telescopic rod 27 are utilized to drive the sliding plate 28 to slide along the bottom sliding chute 26, so as to drive the traction rod 24 with the sealing plate 23 to slide along the inner sliding chute 22, the internal air pressure of the bin body 21 is adjusted by adjusting the volume of the bin body 21, thereby effectively ensuring the stability of the bin body 3 and the gas recovery box 4 during operation, effectively solving the problems that more gas needs to be processed is discharged by the individual bin body 21 in the bin body 3, less gas needs to be processed is discharged by the individual bin body 21, the bin body 21 in the gas recovery box 4 cannot be accommodated or has larger space waste, effectively improving the utilization rate of the internal space of the bin body 3 and the gas, after the purification treatment is finished inside the gas leading-in gas recovery box 4, because the gas inside the gas recovery box 4 still carries a large amount of heat, and the gas is purified, at the moment, when the gas inlet pipeline of the getter pump 15 is connected with the gas recovery box 4 and the exhaust pipeline is connected with the furnace body 3, the getter pump 15 pumps the gas inside the gas recovery box 4 into the furnace body 3, so that the good heat recovery and utilization effect can be achieved, and the energy is effectively saved.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. An environment-friendly boiler burning biomass fuel comprises a boiler body (3) fixedly mounted on an underframe (1) and a gas recovery box (4) fixedly mounted on a two-layer frame (2), wherein the two-layer frame (2) is welded at the top of the underframe (1), and is characterized in that an external hydraulic pump (7) is mounted on the underframe (1), the top of the external hydraulic pump (7) is connected with a first horizontal pipe (11) and a second horizontal pipe (12), an exhaust assembly (6) is connected between the boiler body (3) and the gas recovery box (4), a plurality of bin bodies (21) divided by sealing plates (23) are arranged inside the boiler body (3) and the gas recovery box (4), each of the two ends of each sealing plate (23) is provided with an inner pulley (25), the inner pulleys (25) are embedded inside inner chutes (22) positioned on the inner walls at the two sides of the bin bodies (21), one end of the sealing plate (23) is connected with a traction rod (24) positioned on the outer wall of the bin body (21), the top of the furnace body (3) is provided with a plurality of in-furnace air pressure detectors (8) which correspond to the bin body (21) and are connected into the bin body (21), the top of the gas recovery box (4) is provided with a plurality of top covers (9) which correspond to the bin body (21), and each top cover (9) is provided with an in-box air pressure detector (10) connected into the bin body (21);

exhaust subassembly (6) mid-mounting has aspirator pump (15), aspirator pump (15) are connected with second outer takeover (14) that is located on gas recovery case (4) outer wall through a pipeline, just aspirator pump (15) are connected with first outer takeover (13) that is located on furnace body (3) both sides outer wall through two pipelines, all be connected with a plurality of evenly distributed's two-way pipe (16) on first outer takeover (13), the second outer takeover (14), every two-way pipe (16) and first outer takeover (13), the second outer takeover junction between (14) all install the valve, are located inside two-way pipe (16) one end introduction furnace body (3) on furnace body (3) outer wall, inside two-way pipe (16) one end introduction gas recovery case (4) that are located on gas recovery case (4) outer wall, furnace body (3) correspond both sides inner wall, the first outer takeover (13), The gas recovery tank (4) is provided with a plurality of internal hydraulic pumps (17) on the inner wall corresponding to the second external connecting pipe (14), the positions of the internal hydraulic pumps (17) correspond to those of the double-way pipe (16), each internal hydraulic pump (17) side wall is connected with an internal hydraulic telescopic rod (18), one end of each internal hydraulic telescopic rod (18) is connected with a pipe head (19), and each pipe head (19) is connected with the double-way pipe (16) through a connecting pipe (20);

the side walls of the first transverse pipe (11) and the second transverse pipe (12) adjacent to each other are provided with bottom sliding grooves (26), sliding balls (29) connected with sliding plates (28) are mounted inside the bottom sliding grooves (26), an external hydraulic telescopic rod (27) is connected to the side wall of each sliding plate (28), each external hydraulic telescopic rod (27) is connected with an external hydraulic pump (7) through a pipeline, and each sliding plate (28) is connected with a corresponding traction rod (24).

2. The environment-friendly boiler burning biomass fuels as claimed in claim 1, wherein a protective frame (5) is disposed between the boiler body (3) and the gas recovery box (4) and located on both sides of the boiler body and the gas recovery box (4), and the boiler body (3) and the gas recovery box (4) are respectively fixed on the underframe (1) and the double-layer frame (2) through the protective frame (5).

3. The biomass fuel burning environment-friendly boiler according to claim 1, wherein the first external connection pipe (13) is located on the bottom side wall of the boiler body (3), and the second external connection pipe (14) is located on the bottom side wall of the gas recovery tank (4).

4. The environment-friendly boiler burning biomass fuel as claimed in claim 1, wherein the pipe head (19) is movably connected with the inner wall of the bin body (21) through an internal hydraulic telescopic rod (18).

5. The environment-friendly boiler burning biomass fuel as claimed in claim 1, wherein the sealing plate (23) is slidably connected with the inner wall of the silo body (21) through a draw bar (24), a sliding plate (28) and an external hydraulic telescopic rod (27), and the sliding direction of the sealing plate (23) is the same as the direction of the inner chute (22).

6. The environment-friendly boiler burning biomass fuel as claimed in claim 1, wherein the sealing plate (23) is slid, the volume of the silo body (21) is changed, and the number of the silo bodies (21) in the boiler body (3) corresponds to the number of the silo bodies (21) in the gas recovery box (4).

7. The environment-friendly boiler for combusting biomass fuel as claimed in claim 1, wherein when the gas inlet pipeline of the getter pump (15) is connected with the boiler body (3) and the gas outlet pipeline is connected with the gas recovery tank (4), the gas in the boiler body (3) is sent to the gas recovery tank (4), the gas inlet pipeline of the getter pump (15) is connected with the gas recovery tank (4), and when the gas outlet pipeline is connected with the boiler body (3), the gas in the gas recovery tank (4) is returned to the boiler body (3).

8. The environment-friendly boiler burning biomass fuel as claimed in claim 1, wherein the using method of the environment-friendly boiler comprises the following steps:

the method comprises the following steps: firstly, a top cover (9) at the top of each bin body (21) of the gas recovery box (4) is opened, a processing part and a processing raw material which are required by the corresponding purified gas processing are put into each bin body (21), when the gas in the furnace body (3) needs to be purified, the gas inlet pipeline of the gas suction pump (15) is connected with the furnace body (3) and the gas exhaust pipeline is connected with the gas recovery box (4), so that the gas in the furnace body (3) is sent to the gas recovery box (4), the valve of the double-way pipe (16) on the side wall of the corresponding bin body (21) in the furnace body (3) and the valve of the double-way pipe (16) on the side wall of the corresponding bin body (21) in the gas recovery box (4) corresponding to the bin body (21) of the furnace body (3) are opened, all other valves are closed, and the gas to be purified in the bin body (21) of the furnace body (3) is sent into the bin body (21) of the corresponding gas recovery box (4) by using the air suction pump (15);

step two: when the tube head (19) extracts gas, the internal hydraulic telescopic rod (18) is driven to stretch through the internal hydraulic pump (17), the tube head (19) can move upwards from the bottom of the bin body (21) in the furnace body (3) in the stretching process to gradually pump all the gas at different height positions in the bin body (21) into the corresponding bin body (21) of the gas recovery box (4), and the corresponding type of gas is purified in the corresponding bin body (21) of the gas recovery box (4);

step three: the gas pressure detector at the top of each bin body (21) detects the furnace body (3) in real time and the internal gas pressure inside the gas recovery box (4), when the internal gas pressure of the bin body (21) is too high or too low, the corresponding external hydraulic telescopic rods (27) are driven to stretch by the external hydraulic pumps (7), the sliding plates (28) are driven to slide along the bottom sliding grooves (26) by the stretching of the external hydraulic telescopic rods (27), so that the traction rods (24) are driven to be connected with the sealing plates (23) to slide along the inner sliding grooves (22), and the internal gas pressure of the bin body (21) is adjusted by adjusting the volume of the bin body (21);

step four: finally, after the gas is introduced into the gas recovery box (4) to complete purification treatment, because the gas in the gas recovery box (4) still carries a large amount of heat and the gas is subjected to purification treatment, at the moment, when the gas inlet pipeline of the getter pump (15) is connected with the gas recovery box (4) and the gas outlet pipeline is connected with the furnace body (3), the getter pump (15) pumps the gas in the gas recovery box (4) back into the furnace body (3) for waste heat utilization.