An environmentally friendly biomass high-efficiency mixed burner

Abstract

The present invention provides an environmentally friendly biomass high-efficiency mixed burner in the field of boiler technology, comprising: a combustion body: a grate assembly arranged in the combustion body; a fire channel formed by the back and forth movement of the grate assembly; and a feeding assembly arranged outside the combustion body; the feeding assembly fills biomass into carbon fuel to form a sandwich mixed furnace charge, and sends it to the grate assembly in a closed state of the fire channel, the grate assembly preheats the placed sandwich mixed furnace charge, and the formed fire is discharged through the fire channel in an open state. The present invention has the advantages of sufficient combustion of biomass mixed furnace charge and high furnace charge feeding efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of boilers, and in particular to an environmentally friendly biomass high-efficiency mixed burner. Background Art

[0002] Biomass refers to various organisms formed through photosynthesis, including all animals, plants and microorganisms; biomass is transformed into biomass fuel after being processed by crushing and dehydration. However, when biomass fuel is burned as a single fuel, its combustion efficiency is relatively low compared to fuels such as charcoal fire.

[0003] Chinese patent CN102767838B discloses that the feeding device specifically includes a coal feeding hopper and a biomass feeding device, wherein the coal feeding hopper is located at the upper end of the starting position of the grate chain, and the biomass feeding device is located obliquely above the coal feeding hopper and close to the conveying direction of the grate chain, and the biomass discharge port of the biomass feeding device is obliquely downward toward the grate chain.

[0004] However, in this technical solution, although the mixed combustion of carbon fuel and biomass fuel can be achieved by using the grate chain, since the carbon fuel and the biomass fuel are in a separated state under the guidance of the grate chain, after the charge is fed into the furnace, the efficient combustion of the biomass fuel cannot be guaranteed, thereby reducing the combustion efficiency of the mixed fire. Summary of the invention

[0005] The purpose of the present invention is to address the deficiencies in the prior art and to provide an environmentally friendly biomass high-efficiency mixed burner, which wraps the biomass fuel in carbon particles through a feeding assembly and feeds it to the top of a fire channel. When the biomass fuel reaches the top of the fire channel, the grate assembly closes the burning fire channel, and the charge is released onto the grate assembly. The charge is then introduced through the air intake channel and transmitted to the fire through the fire channels on both sides to preheat the mixed charge, thereby solving the technical problems described in the background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] An environmentally friendly biomass high-efficiency mixed burner, characterized in that it includes: a combustion body: a grate assembly arranged in the combustion body; a fire channel formed by the back and forth movement of the grate assembly; and a feeding assembly arranged outside the combustion body; the feeding assembly fills biomass into carbon fuel to form a sandwich mixed furnace charge, and sends it to the grate assembly in a state where the fire channel is closed, the grate assembly preheats the placed sandwich mixed furnace charge, and the formed fire is discharged through the fire channel in an open state.

[0008] Furthermore, the grate assembly includes: a grate member; a driving assembly for driving the grate member to move back and forth along the width direction of the fire channel; and a charge retaining member disposed above the grate member.

[0009] Furthermore, the grate component includes: a grate seat; a raised seat which is arranged on the grate seat and has a hollow structure, and both sides of the raised seat are concave; and air inlet channels which are arranged on both sides of the raised seat.

[0010] Furthermore, the driving assembly includes: guide seats arranged at both ends of the grate members; a power assembly driving two adjacent groups of grate members to move in opposite directions; and an air passage opened on the guide seat and connected to the outside of the combustion body; a connecting channel connected to the air passage is provided on the guide seat, and the air inlet channel is slidably connected to the connecting channel.

[0011] Furthermore, the furnace charge baffle is a structure composed of a mesh-like high-temperature resistant material.

[0012] Furthermore, the feed assembly includes: a feeding assembly; an A distribution assembly arranged in the middle above the feeding assembly; and a B distribution assembly arranged on both sides of the A distribution assembly; the A distribution assembly fills biomass into the carbon fuel particles distributed by the B distribution assembly to the feeding assembly, and the feeding assembly delivers the sandwiched mixed charge to the top of the grate assembly and then discharges the charge between adjacent charge baffles.

[0013] Furthermore, the B material distribution component includes: a material feeding channel; a first silo connected to one end of the material feeding channel; a material feeding screw with one end passing through the material feeding channel and the other end arranged in the first silo; and a material discharge port is provided below the material feeding channel.

[0014] Furthermore, the A distribution component includes: a second silo; a distribution joint provided at the bottom of the second silo; a feeding component arranged above the distribution joint and controlling the biomass in the second silo to transport the distribution joint; a top-opening component arranged at equal intervals in the feed channel; and a lifting component driving the distribution joint to move up and down; the top-opening component is in a lifted state in the feed channel to distribute the carbon fuel particles, the lifting component makes the distribution joint reach the top-opening component, and moves downward together with the top-opening component into the carbon fuel particles, and then the distribution joint is distributed in the passing carbon fuel particles through the feeding component when it returns.

[0015] Furthermore, the feeding assembly includes: a feeding bin; a first driving unit disposed at one end of the feeding bin; a lower feeding bin door slidably disposed at the bottom of the feeding bin; and a second driving unit for driving the lower feeding bin door to open and close.

[0016] Furthermore, a top opening channel adapted to the top opening assembly is provided on the lower material bin door; and a sealing cover is elastically connected to the top opening channel.

[0017] The beneficial effects of the present invention are:

[0018] (1) The present invention cooperates with the feed assembly and the grate assembly. When the feed assembly delivers the mixed charge to the top of the grate assembly, the charge channel whose height is reduced by combustion is closed by the grate assembly. The feed assembly lowers the charge to the closed grate assembly for preheating. When the charge on both sides is preheated and burned to a predetermined height, the bottom channel of the preheated charge is opened to preheat and burn the charge. This ensures the combustion intensity of the fire in the mixed burner and improves the combustion efficiency of the biomass combustion. In addition, the efficiency of adding charge is ensured by continuously adding charge.

[0019] (2) The present invention cooperates with the feeding assembly, the A distribution assembly and the B distribution assembly so that after the carbon fuel particles are pre-added to the feeding assembly, the biomass fuel is fed by the A distribution assembly and wrapped in the carbon fuel particles, thereby ensuring the combustion efficiency after being fed to the grate assembly;

[0020] (3) The present invention achieves mutual cooperation between the jacking assembly and the material distribution joint. The jacking assembly is pre-arranged in the feeding assembly, so that the material distribution joint follows the jacking assembly down to the carbon fuel and distributes the material when returning. This can solve the problem of the carbon fuel being crushed due to the jacking assembly being directly inserted into the carbon fuel, and ensure the stability of the charge when it is added to the charge channel for combustion.

[0021] (4) The present invention uses the cooperation between the grate member and the driving assembly. When the furnace charge on the feeding assembly is delivered to the top of the furnace fire channel, the driving assembly causes the grate member to close the furnace fire channel to release the furnace charge, thereby solving the problem that a large amount of burning furnace charge falls to the furnace bottom through the furnace fire channel when the furnace charge is released from the grate member.

[0022] (5) The present invention cooperates between the raised seat and the air inlet channel. When the grate is closed, the newly added charge is burned by the combustion-supporting gas provided by the air inlet channel and the fire is carried out to the fire channels on both sides. When the fire is transmitted, the newly added charge above it is preheated, thereby ensuring the sufficiency of the biomass fuel during combustion.

[0023] (6) The present invention uses the coordination between the grate member and the charge stopper so that when the charge is dropped from the feed assembly, the charge being burned on both sides of the closed grate member and the charge stopper above it are blocked to ensure the regularity of the charge during feeding;

[0024] In summary, the present invention has the advantages of sufficient combustion of biomass mixed furnace charge and high furnace charge feeding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0026] Figure 2 It is a structural schematic diagram of the combustion body of the present invention;

[0027] Figure 3 For the present invention Figure 2 Sectional view of AA in the middle;

[0028] Figure 4 For the present invention Figure 3 The enlarged view of point B in the middle;

[0029] Figure 5 It is a structural schematic diagram of the grate assembly of the present invention;

[0030] Figure 6 It is a structural schematic diagram of the material feeding assembly of the present invention;

[0031] Figure 7 For the present invention Figure 6 Another side structural schematic diagram of;

[0032] Figure 8 For the present invention Figure 7 Cross-sectional view of CC;

[0033] Fig. 9 For the present invention Fig. 9 Enlarged view of point E in the middle;

[0034] Fig.10 For the present invention Figure 7 Cross-sectional view of the middle DD;

[0035] Fig.11 For the present invention Fig.10 Enlarged view of point F in the middle. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0038] Embodiment 1

[0039] like Figure 1 and 3 As shown, an environmentally friendly biomass high-efficiency mixed burner comprises:

[0040] Combustion body 1:

[0041] A grate assembly 2 arranged in the combustion body 1;

[0042] A fire channel 3 formed by the back and forth movement of the grate assembly 2; and

[0043] A material conveying assembly 4 disposed outside the combustion body 1;

[0044] The feeding assembly 4 fills the biomass into the carbon fuel to form a sandwich mixed charge, and sends it to the grate assembly 2 in the closed state of the fire channel 3. The grate assembly 2 preheats the placed sandwich mixed charge, and the formed fire is discharged through the fire channel 3 in the open state.

[0045] From the above content, it is not difficult to find that in the process of burning biomass fuel, it is difficult to use biomass fuel alone for combustion, so it is necessary to use carbon fuel to burn together with biomass fuel. The traditional method is to directly push the biomass fuel and carbon fuel particles onto the grate for combustion, which makes it impossible for the biomass fuel to complete rapid and complete combustion during the combustion process.

[0046] In the present application, biomass fuel is filled into carbon fuel through feeding assembly 4 and maintained in sandwich shape to form mixed charge, that is, biomass fuel is kept in carbon fuel, and then fed into grate assembly 2 in combustion body 1. After the mixed charge reaches the top of grate assembly 2, it will be released on grate assembly 2 by feeding assembly 4. By utilizing grate assembly 2 to guide the fire to fire channel 3, preheating treatment of charge is achieved. It is more convenient that after preheating and after the charge above fire channel 3 has burned for a predetermined time, grate assembly 2 cuts off the fire channel 3 to close it, add charge, and open the fire channel 3 at the bottom of other preheated charge to switch the fire. In this way, it can be ensured that the intensity of the fire is not affected during the process of adding and preheating biomass fuel.

[0047] It should be noted that if Figure 2 As shown, the combustion body 1 includes a furnace body 11, an inlet 12 opened on the side wall of the furnace body 11, a flow channel 13 connecting the furnace body 11 space below the grate assembly 2 with the top of the furnace body 11, and a chimney 14 arranged on the top of the furnace body 11.

[0048] In this embodiment, when the charge on the grate assembly 2 burns, the fire will reach the bottom of the grate assembly 2 through the fire channel 3, and then reach the top of the furnace body 11 through the flow channel to perform heat exchange treatment on the pipeline above the furnace body 11.

[0049] like Figure 4 As shown, the grate assembly 2 comprises:

[0050] Grate member 21;

[0051] A driving assembly 22 for driving the grate member 21 to move back and forth along the width direction of the fire channel 3; and

[0052] A charge stopper 23 is provided above the grate member 21 .

[0053] In this embodiment, when the grate assembly 2 is used to stack mixed charge, when the feeding assembly 4 is about to reach the top of the grate piece 21, the driving assembly 22 will drive the grate pieces 21 on both sides of the fire channel 3 below the feeding assembly 4 to move closer to each other, and after the grate pieces 21 are completely close together and a new fire channel 3 is formed on the other side of the close grate pieces 21, when the feeding assembly 4 releases charge from the grate pieces 21, the close grate pieces 21 will prevent a large amount of charge from falling to the bottom of the furnace through the unclosed fire channel 3, and thus cause the unignited charge to fall to the bottom of the furnace.

[0054] It is worth noting that, during the process of the feeding component 4 feeding the grate member 21, the charge on the grate member 21 with the closed fire channel 3 is in a preheating state, while the charge above the opened fire channel 3 will be continuously ignited and reduced, so that the height of the charge above the opened fire channel 3 is lower than the charge above the grate member 21 during the preheating process. Therefore, when the charge above the charge channel 3 burns to a certain extent, the driving component 22 will drive the grate member 21 under the original preheated charge to move toward the fire channel 3 on one side thereof, thereby opening the closed fire channel 3 and performing the preheating. The charge burns, and the fire channel 3 that was originally opened and burned in large quantities will be closed by the movable grate part 21, so that when closing, the feed component 4 reaches above the closure to release the charge, and because the height of the charge above the closure is lower than the height of the preheated charge that is burning on both sides, it will be blocked by the preheated charge on both sides, and at the same time, the charge party building 23 above the preheated charge on both sides is used to block the charge, so as to avoid the granular carbon-coated granular charge from dispersing when the feed component 4 discharges the charge, and the biomass cannot be wrapped, thereby ensuring the full combustion of the biomass fuel.

[0055] like Figure 5 As shown, the grate member 21 comprises:

[0056] grate seat 211;

[0057] a raised seat 212 with a hollow structure disposed on the grate seat 211, wherein two sides of the raised seat 212 are concave; and

[0058] The air inlet passages 213 are arranged on both sides of the raised seat 212 .

[0059] In the present embodiment, when the grate member 21 is preheating the released charge, the charge will fall onto the already burned charge on the raised seat 212 on the grate seat 211, and when the preheating is being performed, the already burned charge located below will not generate charge downward due to the closure of the fire channel 3, and the ventilation effect of the air inlet channel 213 will generate fire towards the fire channels 3 opened on both sides, and when the fire located above the closed fire channel 3 moves toward the fire channel 3, it passes through and preheats the charge above the closed fire channel 3, so that after the preheating and the charge in the open state of the fire channel 3 is burned to a predetermined degree, the fire channel 3 is switched, so that the adjacent reopened fire channel 3 is used to generate fire.

[0060] like Figure 4 As shown, the driving assembly 22 includes:

[0061] Guide seats 221 provided at both ends of the grate member 21;

[0062] A power assembly 222 for driving two adjacent groups of grate elements 21 to move in opposite directions; and

[0063] A ventilation channel 223 is provided on the guide seat 221 and communicated with the outside of the combustion body 1;

[0064] The guide seat 221 is provided with a communication channel connected to the ventilation channel 223 , and the air inlet channel 213 is slidably connected to the communication channel.

[0065] In the present embodiment, the driving component 22 drives the grate seat 211 to move back and forth, and guides the grate member 21 by utilizing the guide seat 221, and realizes the movement of two adjacent groups of grate members 21 toward each other or relative to each other through the power component 222, and in the process of air intake in the air intake channel 213, when the grate seat 211 moves back and forth on the guide seat 221, the ventilation channel 223 will carry external combustion-supporting gas and always maintain communication with the air intake channel 213 through the connecting channel (not shown in the figure), thereby providing combustion-supporting gas for the charge.

[0066] It should be added that Figure 4 As shown, the power assembly 222 includes screw rods 2221 provided at both ends of the grate member 21 and a power motor (not shown in the figure) arranged outside the combustion body 1, one end of the grate member 21 is threadedly connected to a group of the screw rods 2221, and the other end thereof is slidably connected to another group of the screw rods 2221.

[0067] In the present embodiment, a power motor, which is preferably a servo motor, is used to respectively drive the screw rods 2221 at both ends of the grate member 21 to rotate, so that when the screw rods 2221 are threadedly connected to the grate member 21, the grate member 21 is driven to move back and forth, and in order to ensure that adjacent grate members 21 can move synchronously in opposite directions or in opposite directions, power is output to the screw rods 2221 by two groups of power motors to respectively drive adjacent grate members 21 to move, that is, one of the two groups of screw rods 2221 is threadedly connected to one group of grate members 21 through one end of the grate member 21, and the other group of screw rods 2221 is threadedly connected to the other end of another adjacent group of grate members 21, thereby realizing simultaneous driving of two adjacent groups of grate members 21.

[0068] like Figure 4 As shown, the furnace material stopper 23 is a structure composed of a mesh high temperature resistant material.

[0069] In this embodiment, when the air reaches the top of the grate member 21 through the air inlet channel 213, the fire will be preheated and gradually ignite the newly added charge on the top layer. The generated fire will pass through the charge baffle 23 composed of the high-temperature material in the mesh to reach the adjacent charge, and the generated charge will then be introduced to the bottom of the grate member 21 along the fire channel 3.

[0070] Embodiment 2

[0071] like Figure 6 As shown, the components identical or corresponding to those in the first embodiment are marked with the corresponding reference numerals in the first embodiment. For the sake of simplicity, only the differences from the first embodiment are described below. The second embodiment differs from the first embodiment in that:

[0072] The feeding assembly 4 comprises:

[0073] Feeding assembly 41;

[0074] A cloth assembly 42 arranged in the middle above the feeding assembly 41;

[0075] B cloth components 43 provided on both sides of the A cloth component 42;

[0076] The A distribution component 42 fills the biomass into the carbon fuel particles distributed by the B distribution component 43 to the feeding component 41. The feeding component 41 delivers the sandwich mixed charge to the top of the grate component 2 and then discharges the charge between the adjacent charge baffles 23.

[0077] In this embodiment, when the feeding component 4 is mixing the charge, the feeding component 41 is located below the A distribution component 42 and the B distribution component 43. The B distribution component 43 first places the carbon fuel particles into the feeding component 41, and after placing them, the A distribution component 42 inserts the biomass fuel into the arranged carbon fuel to form a sandwich mixed charge, and sends the sandwich mixed charge to the top of the grate component 2 through the feeding component 41 to release the charge.

[0078] like Figure 6 As shown, the B cloth component 43 includes:

[0079] Feed channel 431;

[0080] A first material bin 432 connected to one end of the material delivery channel 431;

[0081] A feeding screw 433 having one end penetrating the feeding channel 431 and the other end disposed in the first silo 432;

[0082] A material discharge port 434 is disposed below the material delivery channel 431 .

[0083] In this embodiment, during the distributing process, the B feeding component 43 connects the feeding screw 433 by utilizing a power device, which is preferably a servo motor, and then when the carbon fuel particles in the first silo 432 are transported to the feeding screw 433, the feeding screw 433 rotates in the first silo 432, so that the carbon particles are quickly guided to the feeding channel 431 through the feeding screw 433, and after being guided into the feeding channel 431, they are guided to the feeding component 41 through the discharge port 434 below it, so as to pre-arrange the carbon fuel in the feeding component 41.

[0084] like Figure 6 As shown, the A cloth component 42 includes:

[0085] Second silo 421;

[0086] a material distribution joint 422 provided at the bottom of the second material bin 421;

[0087] A feeding assembly 423 arranged above the material distribution joint 422 and controlling the biomass in the second silo 421 to be transported to the material distribution joint 422;

[0088] The top opening components 424 are arranged in equal intervals in the feeding channel 431; and

[0089] A lifting assembly 425 driving the cloth joint 4322 to move up and down;

[0090] The top opening component 424 is in a lifted state in the feeding channel 431 to distribute the carbon fuel particles. The lifting component 425 enables the distribution joint 422 to reach the top opening component 424 and move downward together with the top opening component 424 into the carbon fuel particles. When the distribution joint 422 returns, it distributes the carbon fuel particles passing through through the feeding component 423.

[0091] In this embodiment, when the B distributing component 43 has finished distributing the feeding component 41, the A distributing component 42 will distribute the biomass fuel to the inside of the carbon fuel, and when the B distributing component 453 is distributing, the top opening component 424 will enter the feeding component 41, and when the carbon fuel is distributed, a distributing channel for the biomass fuel is formed in advance, and when the A distributing component 42 is distributing, the lifting component 425 will carry the second silo 421, the distributing joint 422 and the feeding component 423 to move downward, and the distributing joint 422 will connect with the top opening component 424. At the same time, the top opening component 424 moves downward, and the distribution joint 422 also continues to move downward. When the distribution joint 422 reaches the predetermined carbon particle depth, the top opening component 424 continues to move downward to leave the feeding component 41, and the lifting component 425 will make the distribution joint 422 return, and when returning, the feeding component 423 works to guide the biomass fuel in the second silo 421 to the distribution joint 422. The biomass in the distribution joint 422 will be distributed when the distribution joint 422 leaves the carbon fuel, thereby forming a sandwich mixed fuel.

[0092] It should be noted that the lifting component 425 is preferably a push rod motor.

[0093] In this embodiment, the lifting component 425, which is preferably a push rod motor, is connected to the second silo 421, so that the power of the lifting component 425 causes the second silo 421 to perform a lifting action to complete the distribution of the biomass fuel.

[0094] It should also be noted that the feeding assembly 423 includes a feeding roller 4231 , a material carrying trough 4232 provided on the feeding roller 4231 , and a feeding motor arranged on one side of the second material bin 421 .

[0095] In this embodiment, the distribution roller 4231 is driven to rotate by the power of a feeding motor, which is preferably a servo motor, so that the rotating distribution roller 4231 guides the biomass fuel in the second silo 421 to the top of the distribution joint 422 through the material carrying trough 4232, and then enters into the distribution joint 422, and performs distribution processing when it is inserted into the carbon fuel and returns.

[0096] Next, the lifting assembly 424 includes a lifting member 4241 and a lifting power member 4242 disposed at the bottom of the lifting member 4241 .

[0097] In this embodiment, by utilizing the power of the lifting power member 4242 on the lifting member 4241, the lifting member 4241 can be moved up and down to achieve the distribution processing of carbon fuel and biomass fuel.

[0098] It is worth noting that during the distribution process of the carbon fuel, the jacking power member 4242 is pushed out into the feed channel 431, thereby forming a feeding cavity for the biomass fuel. When the distribution joint 422 descends to reach the jacking member 4241, it descends together with the jacking member 4241, so that the carbon fuel will not be squeezed in the feed assembly 41 when the biomass fuel is distributed, thereby ensuring that the carbon fuel particles guided to the grate assembly 2 will not be crushed and fall in large quantities from the fire channel 3.

[0099] It should be added that Fig.11 As shown, the lifting power member 4242 includes a rotating shaft 42421, a rotating disk 42422 installed on the rotating shaft 42421, and a transmission rod 42423 eccentrically connected to the rotating disk 42422, and the other end of the transmission rod 42423 is connected to the lifting member 4241.

[0100] In this embodiment, the rotating shaft 42421 is driven to rotate by the power of a servo motor, so that the rotating shaft 42421 drives the turntable 42422, and then the transmission rod 42423 eccentrically connected to the turntable 42422 causes the lifting member 4241 to move up and down, thereby completing the establishment of a biomass fuel channel in the carbon fuel in the feed bin 411.

[0101] like Figure 9-11 As shown, the feeding assembly 41 includes:

[0102] Feeding bin 411;

[0103] A first driving unit 412 provided at one end of the feeding bin 411;

[0104] A material discharge bin door 413 slidably disposed at the bottom of the material discharge bin 411; and

[0105] A second driving unit 414 drives the unloading bin door 413 to open and close.

[0106] In this embodiment, when the feeding component 41 is loading, feeding and discharging, after the feeding bin 411 is loaded, the first driving unit 412 drives the feeding bin 411 to enter the grate assembly 2 when the fire channel 3 in the combustion body 1 is closed, and when it arrives, the second driving unit 414 works to open the discharge bin door 413, and the sandwich mixed furnace charge is continuously discharged from one end of the feeding bin 411 onto the grate assembly 2, and after the discharge is completed, when the first driving unit 412 drives the feeding bin 411 to return, the second driving unit 414 drives the discharge bin door 413 at the bottom of the feeding bin 411 to close again, so as to facilitate the next loading and discharging work; it should be supplemented that the first driving unit 412 and the second driving unit 414 can be push rod motors or other devices that can be driven linearly.

[0107] like Fig. 9 and 11 As shown, the lower bin door 413 is provided with a top opening channel 4131 adapted to the top opening component 424;

[0108] The top opening channel 4131 is elastically connected to a sealing cover 4132 .

[0109] In this embodiment, when the top opening component 424 passes through the top opening channel 4131, the cover 4132 elastically connected to the top opening channel 4131 will be lifted up, so that when the top opening component 424 descends, the cover 4232 will gradually descend, and when the top opening component 424 leaves the lower material bin door 413, the cover 4232 will block the top opening channel 4131 to prevent the furnace charge from leaking out of the top opening channel 4142 after the top opening component 424 leaves the lower material bin door 413 and when the feed bin 411 moves.

[0110] It should be supplemented that the sealing cover 4132 is connected to the discharge bin door 413 via an elastic member 4133 .

[0111] In this embodiment, the cover 4132 is connected to the lower bin door 413 by utilizing the elastic member 4133 , so that the top opening channel 4131 can be opened and closed during the movement of the top opening assembly 424 .

[0112] Working steps:

[0113] Step 1: Carbon fuel loading. The B distribution component 43 rotates between the first silo 432 and the delivery channel 431 through the delivery screw 33 to transfer the carbon fuel in the first silo 432 to the delivery channel 431, and lowers it into the delivery silo 411 through the discharge port 434 for distribution of the carbon fuel. During the distribution process of the B distribution component 43, the top opening component 424 arrives in the delivery silo 411 in advance to provide a distribution channel for the distribution of the biomass fuel.

[0114] Step 2, biomass fuel distribution, the biomass fuel is loaded in the A distribution component through the second silo 421, and after the carbon fuel distribution is completed, the lifting component 425 gradually moves to the top of the top opening component 424, and while the top opening component 424 gradually descends, the distribution joint 422 also descends together with the top cover component 424, so that the distribution joint 422 is inserted into the carbon fuel particles, and after the insertion, the top opening component 424 continues to descend and leave the feed bin 411, and the distribution joint 422 returns, and when returning, the feeding component 423 works to guide the biomass fuel in the first silo 421 to the distribution joint 422 for release, and stops discharging when the distribution joint 422 leaves the carbon fuel;

[0115] Step 3: Mixed charge is guided. The first driving unit 412 drives the feed bin 411 to enter the combustion body 1. When the feed bin 411 moves into the combustion body 1, the corresponding fire channel 3 below the feed bin 411 is closed by the grate assembly 2. When the feed bin 411 reaches above the closed fire channel 3, the grate assembly 2 completes the closing of the fire channel 3 and moves to the bottom of the feed bin 411.

[0116] Step 4: Release the charge. When the grate assembly 2 is closed below the feed bin 411, the discharge bin door 413 at the bottom of the feed bin 411 is gradually opened by the power of the second driving unit 414. When the charge is opened, the mixed charge gradually falls from one end onto the grate assembly 2.

[0117] Step 5, release range control, when the charge falls onto the grate assembly 2, since the charge is in a burning state when the fire channel 3 that was closed last time was opened, the top surface height of the charge will continue to decrease, and the charge on both sides will be preheated when the fire channel 3 is opened, and the fire channel 3 below it is closed, and the charge on both sides is preheated, and the combustion amount is less than the charge burning in the open fire channel 3. When new charge is added to the top of the burning charge when the fire channel 3 is opened, the preheated charge on both sides starts to burn, and the released charge is blocked by the preheated charge on both sides and the charge blocking member 23 above the preheated charge, so that the biomass fuel wrapped in carbon fuel is regularly delivered to the top of the grate assembly 2 for preheating;

[0118] Step six, transporting back, the feed bin 411 continues to move to the bottom of the A cloth component 42 and the B cloth component 43 under the drive of the first drive unit 412, and during the movement, the second drive component 414 drives the lower bin door 413 to close, and when it reaches the bottom of the A cloth component 42 and the B cloth component 43, it continues to load and circulate the material.

[0119] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An environmentally friendly biomass high-efficiency mixed burner, It is characterized in that include: Combustion body (1): A grate assembly (2) arranged in the combustion body (1); a fire channel (3) formed by the back and forth movement of the grate assembly (2); and A material conveying assembly (4) arranged outside the combustion body (1); The feeding component (4) fills the biomass into the carbon fuel to form a sandwich mixed furnace charge, and sends it to the grate component (2) in the closed state of the furnace fire channel (3). The grate component (2) preheats the placed sandwich mixed furnace charge, and the formed furnace fire is discharged through the furnace fire channel (3) in the open state; The grate assembly (2) comprises: grate member (21); a driving assembly (22) for driving the grate member (21) to move back and forth along the width direction of the fire channel (3); and A furnace charge stopper (23) provided above the grate member (21); The material feeding component (4) comprises: Feeding assembly (41); A cloth assembly (42) arranged in the middle above the feeding assembly (41); B cloth components (43) provided on both sides of the A cloth component (42); The A distribution component (42) fills the biomass into the carbon fuel particles distributed by the B distribution component (43) to the feeding component (41), and the feeding component (41) delivers the sandwich mixed furnace charge to the top of the grate component (2) and then discharges the charge between adjacent furnace charge baffles (23); The B cloth component (43) comprises: Feed channel (431); A first material bin (432) connected to one end of the material delivery channel (431); A material conveying screw (433) having one end penetrating the material conveying channel (431) and the other end disposed in the first material bin (432); A material discharge port (434) is provided below the material delivery channel (431); The A cloth component (42) comprises: Second silo (421); A material distribution joint (422) provided at the bottom of the second material bin (421); A feeding assembly (423) arranged above the material distribution joint (422) and controlling the biomass in the second silo (421) to be transported to the material distribution joint (422); Opening assemblies (424) arranged at equal intervals in the material delivery channel (431); and A lifting assembly (425) for driving the cloth joint (4322) to move up and down; The lifting assembly (424) is in a lifted state in the feeding channel (431) to distribute the carbon fuel particles. The lifting assembly (425) causes the distribution joint (422) to reach the lifting assembly (424) and move downwards together with the lifting assembly (424) into the carbon fuel particles. When the distribution joint (422) returns, it distributes the carbon fuel particles through the feeding assembly (423).

2. An environmentally friendly biomass high-efficiency mixed burner according to claim 1, It is characterized in that The grate member (21) comprises: grate seat (211); a raised seat (212) provided on the grate seat (211) and having a hollow structure, wherein two sides of the raised seat (212) are concave; and Air intake channels (213) are provided on both sides of the raised seat (212).

3. An environmentally friendly biomass high-efficiency mixed burner according to claim 2, It is characterized in that The driving assembly (22) comprises: Guide seats (221) provided at both ends of the grate member (21); a power assembly (222) for driving two adjacent groups of grate members (21) to move in opposite directions; and A ventilation channel (223) provided on the guide seat (221) and connected to the outside of the combustion body (1); The guide seat (221) is provided with a communication channel connected to the ventilation channel (223), and the air intake channel (213) is slidably connected to the communication channel.

4. The environmentally friendly biomass high-efficiency mixed burner according to claim 1, It is characterized in that The furnace charge stopper (23) is a structure composed of a mesh-shaped high-temperature resistant material.

5. The environmentally friendly biomass high-efficiency mixed burner according to claim 1, It is characterized in that The feeding assembly (41) comprises: Feed bin (411); A first driving unit (412) provided at one end of the material feeding bin (411); a material discharge bin door (413) slidably disposed at the bottom of the material discharge bin (411); and A second driving unit (414) for driving the unloading bin door (413) to open and close.

6. An environmentally friendly biomass high-efficiency mixed burner according to claim 5, It is characterized in that The lower material bin door (413) is provided with a top opening channel (4131) adapted to the top opening component (424); A sealing cover (4132) is elastically connected to the top opening channel (4131).

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