Gas-fired boiler capable of generating heat energy through combustion of biomass fuel

Abstract

The utility model discloses a gas-fired boiler utilizing combustion of biomass fuel to generate heat energy, and relates to the related field of gas-fired boilers, the gas-fired boiler comprises a gas-fired boiler, a pretreatment mechanism, a control mechanism and a screw conveyer, the pretreatment mechanism is fixedly connected below the front end of the gas-fired boiler, the right end of the gas-fired boiler is fixedly connected with the control mechanism, and the control mechanism is fixedly connected with the screw conveyer. The pretreatment mechanism is arranged, moisture in biomass fuel is removed through rotation heating of four sets of heating stirring rollers, the biomass fuel is easier to burn in the gas-fired boiler in the later period, the flammability of the biomass fuel is improved, and therefore the heat efficiency of the gas-fired boiler is improved, and loss and waste of the biomass fuel in the conveying and using process are reduced; by adjusting the size of the empty groove, on the premise that the working effect of the air feeder is not affected, the flow of air entering the gas-fired boiler is controlled, the combustion efficiency is improved, and the problems of incomplete combustion or excessive combustion and the like caused by too much or too little air are solved.

Description

Technical Field

[0001] The utility model relates to the field of gas boilers, in particular to a gas boiler that uses the combustion of biomass fuel to generate heat energy. Background Technique

[0002] A biomass gas boiler is a device that uses the combustion of biomass fuel to generate heat energy and transfers the heat energy to water through a heat exchanger to convert it into steam. This kind of boiler can not only provide heat energy but also be used for power generation and heating. Due to its environmental protection and energy-saving characteristics, the biomass gas boiler has been widely used in industrial production and daily life.

[0003] When the existing gas boilers are in use, it is difficult to pre-remove the moisture in the biomass fuel in advance, resulting in its difficult combustion in the gas boiler later, reducing the combustibility of the biomass fuel, thereby reducing the thermal efficiency of the gas boiler and increasing the loss and waste of the biomass fuel during the transportation and use processes; when the existing gas boilers are in use, it is difficult to control the air flow rate entering the combustion chamber, reducing the combustion efficiency and prone to problems such as incomplete combustion or over-combustion caused by too much or too little air. Content of the Utility Model

[0004] Therefore, in order to solve the above deficiencies, the utility model provides a gas boiler that uses the combustion of biomass fuel to generate heat energy.

[0005] The utility model is realized as follows: a gas boiler that uses the combustion of biomass fuel to generate heat energy is constructed. The device includes a gas boiler, a pretreatment mechanism is fixedly connected below the front end of the gas boiler, a control mechanism is fixedly connected to the right end of the gas boiler, and a screw conveyor is fixedly connected to the right end of the pretreatment mechanism. Among them, an empty slot is provided at the connection between the right end of the gas boiler and the control mechanism.

[0006] The pretreatment mechanism includes a pretreatment box, the pretreatment box is fixedly connected below the front end of the gas boiler, and a feed port is provided at the left end of the pretreatment box; a connecting plate, the connecting plate is fixedly connected above the front end of the pretreatment box; a cylinder, the cylinder is fixedly connected to the top of the connecting plate; a gear and rack member, the push rod at the back of the cylinder is fixedly connected to the gear and rack member; a first gear, the bottom of the gear rod at the bottom of the inner gear of the gear and rack member is fixedly connected to the first gear.

[0007] Preferably, the pretreatment mechanism further includes a second gear, the outer wall of the first gear is meshed with the second gear; a heating and stirring roller, the second gear is fixedly connected to the bottom of the heating and stirring roller.

[0008] Preferably, the control mechanism includes an installation box fixedly connected to the right end of the gas boiler; an air inlet provided at the right end of the installation box; a U-shaped plate fixedly connected to the left end of the top of the installation box; a motor fixedly connected to the left end of the U-shaped plate; a cam fixedly connected to the output shaft of the right end of the motor; a contact rod with the top of the cam in contact with the bottom of the contact rod; a moving rod fixedly connected to the right end of the contact rod; a connecting rod fixedly connected to the bottom of the moving rod; and a moving plate fixedly connected to the bottom of the connecting rod.

[0009] Preferably, the control mechanism further includes an empty slot provided at the lower left end of the installation box; and a blower fixedly connected to the right end inside the installation box.

[0010] Preferably, the bottom of the inner gear of the gear and rack member is rotatably connected to the top of the pretreatment box, and the bottom of the inner rack of the gear and rack member is slidably connected to the top of the pretreatment box.

[0011] Preferably, the tops of the first gear and the second gear are both rotatably connected to the inner top of the pretreatment box, and there are four groups of the second gears which are arranged at equal intervals.

[0012] Preferably, the moving rod penetrates through the top and bottom of the U-shaped plate and is slidably connected to its interior, and the left end of the moving plate is slidably connected to the left end inside the installation box.

[0013] The present utility model has the following advantages: The present utility model provides a gas boiler that utilizes the combustion of biomass fuel to generate heat energy. Compared with the same type of equipment, it has the following improvements:

[0014] For the gas boiler that utilizes the combustion of biomass fuel to generate heat energy according to the present utility model, a pretreatment mechanism is provided. By the rotation and heating of four heating and stirring rollers, the moisture in the biomass fuel is removed, making it easier to be burned in the gas boiler later, improving the combustibility of the biomass fuel, thereby improving the thermal efficiency of the gas boiler and reducing the loss and waste of the biomass fuel during the transportation and use processes.

[0015] For the gas boiler that utilizes the combustion of biomass fuel to generate heat energy according to the present utility model, a control mechanism is provided. By adjusting the size of the empty slot, on the premise of not affecting the working effect of the blower, the air flow rate entering the gas boiler is controlled, improving the combustion efficiency and avoiding problems such as incomplete combustion or excessive combustion caused by too much or too little air. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional structural schematic diagram of the gas boiler of the present utility model;

[0017] Figure 2It is a three-dimensional structural schematic diagram of the pretreatment mechanism of the present utility model;

[0018] Figure 3 It is a three-dimensional exploded structural schematic diagram of the pretreatment mechanism of the present utility model;

[0019] Figure 4 It is a three-dimensional structural schematic diagram of the control mechanism of the present utility model.

[0020] Wherein: gas boiler - 1, pretreatment mechanism - 2, pretreatment tank - 21, connecting plate - 22, cylinder - 23, gear and rack member - 24, first gear - 25, second gear - 26, heating and stirring roller - 27, control mechanism - 3, installation box - 31, air inlet - 32, return plate - 33, motor - 34, cam - 35, contact rod - 36, moving rod - 37, connecting rod - 38, moving plate - 39, empty slot - 310, air blower - 311, screw conveyor - 4. Specific embodiments

[0021] The following combines the attached Figures 1 to 4 The principles and features of the present utility model are described below. The examples given are only for explaining the present utility model and are not intended to limit the scope of the present utility model. In the following paragraphs, the present utility model is described more specifically by way of example with reference to the accompanying drawings. The advantages and features of the present utility model will be clearer according to the following description and the claims. It should be noted that the drawings are all in a very simplified form and use non-precise scales, only for the purpose of facilitating and clearly assisting in explaining the purpose of the embodiments of the present utility model.

[0022] It should be noted that when a component is referred to as being "fixed to" another component, it can be directly on the other component or there can also be an intermediate component. When a component is considered to be "connected to" another component, it can be directly connected to the other component or there may be an intermediate component at the same time. When a component is considered to be "disposed on" another component, it can be directly disposed on the other component or there may be an intermediate component at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present utility model belongs. The terms used in the description of the present utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the present utility model. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0024] Embodiment 1:

[0025] Please refer to Figures 1 to 3, A gas boiler that utilizes the combustion of biomass fuel to generate heat energy in the present utility model includes a gas boiler 1. A pretreatment mechanism 2 is fixedly connected to the lower front end of the gas boiler 1. A control mechanism 3 is fixedly connected to the right end of the gas boiler 1. A spiral conveyor 4 is fixedly connected to the right end of the pretreatment mechanism 2. An empty slot is provided at the connection between the right end of the gas boiler 1 and the control mechanism 3;

[0026] The pretreatment mechanism 2 includes a pretreatment box 21. The pretreatment box 21 is fixedly connected to the lower front end of the gas boiler 1, and a feed inlet is provided at the left end of the pretreatment box 21. The pretreatment box 21 facilitates the placement of biomass fuel.

[0027] A connecting plate 22 is fixedly connected to the upper front end of the pretreatment box 21. A cylinder 23 is fixedly connected to the top of the connecting plate 22. A gear and rack member 24 is fixedly connected to the push rod at the back of the cylinder 23. The cylinder 23 facilitates driving the gear and rack member 24 to work.

[0028] The bottom of the gear rod at the bottom of the inner gear of the gear and rack member 24 is fixedly connected to a first gear 25. A second gear 26 is meshed with the outer wall of the first gear 25. The second gear 26 facilitates driving a heating and stirring roller 27 to rotate.

[0029] The second gear 26 is fixedly connected to the bottom of the heating and stirring roller 27. The bottom of the inner gear of the gear and rack member 24 is rotatably connected to the top of the pretreatment box 21. The heating and stirring roller 27 facilitates removing moisture in the biomass fuel.

[0030] The bottom of the inner rack of the gear and rack member 24 is slidably connected to the top of the pretreatment box 21. The tops of both the first gear 25 and the second gear 26 are rotatably connected to the inner top of the pretreatment box 21. There are four groups of the second gears 26, and the four groups of the second gears 26 are arranged at equal intervals.

[0031] Based on the working principle of a gas boiler that utilizes the combustion of biomass fuel to generate heat energy in Embodiment 1:

[0032] First, when it is necessary to pretreat the biomass fuel, the biomass fuel is conveyed into the pretreatment box 21 through the feed inlet at the left end of the pretreatment box 21. Then, the cylinder 23 is started. The cylinder 23 drives the inner rack of the gear and rack member 24 to move back and forth, causing the rack to drive the inner gear of the gear and rack member 24 to rotate. The inner gear of the gear and rack member 24 drives the first gear 25 to rotate through the gear rod. The first gear 25 drives the four groups of second gears 26 to rotate. The four groups of second gears 26 drive the four groups of heating and stirring rollers 27 to rotate. By the rotation of the four groups of heating and stirring rollers 27, the moisture in the biomass fuel is removed by heating, making it easier to be burned in the gas boiler 1 later, improving the combustibility of the biomass fuel, thereby improving the thermal efficiency of the gas boiler 1 and reducing the loss and waste of the biomass fuel during the transportation and use processes;

[0033] Second, after the biomass fuel is pretreated, the biomass fuel is conveyed into the gas boiler 1 by a screw conveyor 4 for combustion treatment.

[0034] Embodiment 2:

[0035] Please refer to Figure 4 , a gas boiler that utilizes the combustion of biomass fuel to generate heat energy according to the present utility model. Compared with Embodiment 1, this embodiment further includes: a control mechanism 3. The control mechanism 3 includes an installation box 31. The right end of the gas boiler 1 is fixedly connected to the installation box 31. An air inlet 32 is provided at the right end of the installation box 31. A return plate 33 is fixedly connected to the left end of the top of the installation box 31. The return plate 33 facilitates the fixed installation of the motor 34.

[0036] The left end of the return plate 33 is fixedly connected to the motor 34. The output shaft of the motor 34 at the right end is fixedly connected to a cam 35. The top of the cam 35 is in contact with the bottom of the contact rod 36. The motor 34 and the cam 35 are eccentrically arranged.

[0037] The right end of the contact rod 36 is fixedly connected to a moving rod 37. The bottom of the moving rod 37 is fixedly connected to a connecting rod 38. The bottom of the connecting rod 38 is fixedly connected to a moving plate 39. The connecting rod 38 facilitates driving the moving plate 39 to move.

[0038] An empty slot 310 is provided at the lower left end of the installation box 31. A blower 311 is fixedly connected to the right end inside the installation box 31. The moving rod 37 passes through the top and bottom of the return plate 33 and is slidably connected to its interior. The left end of the moving plate 39 is slidably connected to the left end inside the installation box 31.

[0039] In this embodiment:

[0040] When it is necessary to control the air flow rate entering the gas boiler 1, start the motor 34. The motor 34 drives the cam 35 to rotate. Due to the eccentric arrangement of the motor 34 and the cam 35, the cam 35 drives the contact rod 36 to move upward. The contact rod 36 drives the moving rod 37 to move upward inside the return plate 33. Then the moving rod 37 drives the connecting rod 38 to move upward. The connecting rod 38 drives the moving plate 39 to move upward, increasing the vertical gap between the empty slot 310 and the moving plate 39. By adjusting the size of the empty slot 310, without affecting the working effect of the blower 311, the air flow rate entering the gas boiler 1 is controlled, the combustion efficiency is improved, and problems such as incomplete combustion or excessive combustion caused by too much or too little air are avoided. Then start the blower 311. The blower 311 sucks fresh air through the air inlet 32. When the impeller in the blower 311 rotates, it will convey the surrounding air into the gas boiler 1 through the empty slot 310.

[0041] The utility model provides a gas boiler that utilizes the combustion of biomass fuel to generate heat energy through improvement. A pretreatment mechanism 2 is provided. By rotating and heating four groups of heating and stirring rollers 27, the moisture in the biomass fuel is removed, making it easier to burn in the gas boiler 1 later, improving the combustibility of the biomass fuel, thereby improving the thermal efficiency of the gas boiler 1 and reducing the loss and waste of the biomass fuel during transportation and use. A control mechanism 3 is provided. By adjusting the size of the empty slot 310, the air flow rate into the gas boiler 1 is controlled without affecting the working effect of the air blower 311, improving the combustion efficiency and avoiding problems such as incomplete combustion or excessive combustion caused by too much or too little air.

[0042] The above shows and describes the basic principles, main features and advantages of the utility model. Moreover, the standard parts used in the utility model can be purchased from the market. The special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, welding, etc. that are mature in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. Coupled with the circuit connection adopting the conventional connection method in the prior art, it will not be elaborated here.

[0043] The above description of the disclosed embodiments enables those skilled in the art to implement or use the utility model. Various modifications to these embodiments will be obvious to those skilled in the art. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to these embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A gas boiler that generates heat energy by burning biomass fuel, comprising a gas boiler (1), a pretreatment mechanism (2) fixedly connected to the lower front end of the gas boiler (1), a control mechanism (3) fixedly connected to the right end of the gas boiler (1), and a screw conveyor (4) fixedly connected to the right end of the pretreatment mechanism (2), wherein: An empty slot is provided at the connection between the right end of the gas boiler (1) and the control mechanism (3); The pretreatment mechanism (2) is characterized in that: the pretreatment mechanism (2) comprises: a pretreatment box (21), the pretreatment box (21) is fixedly connected to the lower front end of the gas boiler (1), and a feed port is provided at the left end of the pretreatment box (21); a connecting plate (22), the connecting plate (22) is fixedly connected to the upper front end of the pretreatment box (21); a cylinder (23), the top of the connecting plate (22) is fixedly connected to the cylinder (23); a gear tooth plate member (24), the back push rod of the cylinder (23) is fixedly connected to the gear tooth plate member (24); a first gear (25), the bottom of the gear rod at the bottom of the gear inside the gear tooth plate member (24) is fixedly connected to the first gear (25).

2. A gas boiler for generating heat energy by burning biomass fuel according to claim 1, characterized in that: The pretreatment mechanism (2) further comprises: a second gear (26), the second gear (26) being meshed with the outer wall of the first gear (25); and a heating and stirring roller (27), the bottom of the second gear (26) being fixedly connected with the heating and stirring roller (27).

3. A gas boiler for generating heat energy by burning biomass fuel according to claim 2, characterized in that: The control mechanism (3) comprises: an installation box (31), the right end of the gas boiler (1) is fixedly connected to the installation box (31); an air inlet (32), the right end of the installation box (31) is provided with an air inlet (32); a return plate (33), the left end of the top of the installation box (31) is fixedly connected to the return plate (33); a motor (34), the left end of the return plate (33) is fixedly connected to the motor (34); a cam (35), the right end of the output shaft of the motor (34) is fixedly connected to the cam (35); a contact rod (36), the top of the cam (35) is in contact with the bottom of the contact rod (36); a moving rod (37), the right end of the contact rod (36) is fixedly connected to the moving rod (37); a connecting rod (38), the bottom of the moving rod (37) is fixedly connected to the connecting rod (38); and a moving plate (39), the bottom of the connecting rod (38) is fixedly connected to the moving plate (39).

4. A gas boiler for generating heat energy by burning biomass fuel according to claim 3, characterized in that: The control mechanism (3) further comprises: an empty slot (310), the lower left end of the installation box (31) being provided with the empty slot (310); and a blower (311), the right end of the installation box (31) being fixedly connected with the blower (311).

5. A gas boiler for generating heat energy by burning biomass fuel according to claim 4, characterized in that: The bottom of the inner gear of the gear tooth plate member (24) is rotatably connected to the top of the pretreatment box (21), and the bottom of the inner gear plate of the gear tooth plate member (24) is slidably connected to the top of the pretreatment box (21).

6. A gas boiler for generating heat energy by burning biomass fuel according to claim 5, characterized in that: The tops of the first gear (25) and the second gear (26) are both rotatably connected to the top of the pretreatment box (21); four groups of the second gears (26) are provided, and the four groups of the second gears (26) are equidistantly arranged.

7. A gas boiler for generating heat energy by burning biomass fuel according to claim 6, characterized in that: The moving rod (37) passes through the top and bottom of the return plate (33) and is slidably connected to the inside thereof. The left end of the moving plate (39) is slidably connected to the left end inside the installation box (31).

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