A fuel feeding device for steam boiler

Abstract

The utility model discloses a fuel feeding device for a steam boiler, comprising a bottom plate, a feeding component and a crushing component. The crushing component comprises a crushing box, a crushing mechanism, a bidirectional worm, a motor and a connecting pipe. The number of the crushing mechanisms is two and they are arranged in the middle of the crushing box. The end of the bidirectional worm is fixedly mounted to the outer surface of the crushing box, the output end of the motor is fixedly mounted to the end of the bidirectional worm, the top of the connecting pipe is fixedly mounted to the inner wall of the bottom of the crushing box, and the bottom is fixedly mounted to the inner surface of the feeding component. By setting the crushing component, plant straws are put into the crushing box, the put-in plant straws are crushed, the crushed plant straws slide into the connecting pipe along the surface of the gathering plate, and enter the main body of the spiral feeding device through the connecting pipe, and then the crushed plant straws are fed through the feeding component. By the integrated operation from the crushing component to the feeding component, the operation steps such as transportation are reduced, and the work efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fuel feeding devices, and more specifically, to a fuel feeding device for a steam boiler. Background Art

[0002] Steam boiler is a common heat energy conversion equipment, usually used to generate steam for power or heating purposes. In order to facilitate the transportation and lifting of fuel for steam boilers and ensure the continuous and uniform supply of fuel, a spiral feeding device is usually used for feeding operations. However, some steam boilers that currently use wood chips or straw as fuel cannot smoothly enter the spiral feeding device due to the length of the plant straw. The straw needs to be crushed before feeding, which will result in additional equipment investment and the efficiency is affected due to the increase in steps. Utility Model Content

[0003] In order to overcome the above-mentioned defects of the prior art, the utility model provides a fuel feeding device for a steam boiler to solve the problem in the prior art that for some steam boilers using straw or wood chips as fuel, the straw needs to be crushed, resulting in additional equipment requirements and operating steps.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a fuel feeding device for a steam boiler, comprising

[0005] A bottom plate, a bracket being fixedly mounted on the top of the bottom plate;

[0006] A feeding assembly, the outer surface of which is fixedly mounted to the middle of the bracket;

[0007] A crushing assembly, the crushing assembly includes a crushing box, a crushing mechanism, a bidirectional worm, a motor, and a connecting pipe. The number of the crushing mechanisms is two, and they are arranged in the middle of the crushing box. The end of the bidirectional worm is fixedly installed on the outer surface of the crushing box, the output end of the motor is fixedly installed on the end of the bidirectional worm, the top of the connecting pipe is fixedly installed on the inner wall of the bottom of the crushing box, and the bottom is fixedly installed on the inner surface of the feeding assembly.

[0008] It also includes an angle adjustment component, which is arranged on the top of the feeding component.

[0009] Among them, the feeding assembly includes a spiral feeding equipment body, a spiral auger, and a driver. The outer surface of the spiral feeding equipment body is fixedly installed with the middle part of the bracket. The spiral auger is arranged inside the spiral feeding equipment body, and the middle part of the end is fixedly installed with the output end of the driver.

[0010] Among them, the crushing assembly also includes a fixed frame, a guide plate, and a material gathering plate. One end of the fixed frame is fixedly installed on the top of the bracket, and the other end is fixedly installed on the side of the crushing box. The guide plate is arranged on the top of the fixed frame to assist the material body to enter the interior of the crushing box. The material gathering plate is arranged at the bottom of the inner cavity of the crushing box.

[0011] Among them, the crushing mechanism includes a crushing roller, a shaft, and a worm gear. The crushing roller is arranged inside a crushing box, the end of the shaft is rotatably mounted on the inner surface of the crushing box, and the outer surface is fixedly mounted on the middle part of the crushing roller, and the middle part of the worm gear is fixedly mounted on the outer surface of the end of the shaft, and is meshed with the bidirectional worm.

[0012] Wherein, the angle adjustment assembly includes a material guide trough plate, a fixed plate, a movable block, an electric push rod, and a connecting plate. The end of the material guide trough plate is rotatably mounted on the outer surface of the spiral feeding equipment body, the top of the fixed plate is fixedly mounted on the outer surface of the spiral feeding equipment body, one side of the movable block is fixedly mounted on the bottom of the fixed plate, and the other side is fixedly mounted on the end of the electric push rod, the top of the electric push rod is fixedly mounted on the connecting plate, and the top of the connecting plate is fixedly mounted on the bottom of the material guide trough plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the above scheme, by setting up a crushing component, plant straw is put into the crushing box, and the motor is started. The rotation of the bidirectional worm connected to the output end of the motor drives the external meshing worm wheel to rotate, and the shaft installed in the middle of the worm wheel rotates, driving the crushing rollers arranged inside the crushing box to rotate. The two groups of crushing rollers rotate in opposite directions to crush the put-in plant straw. The crushed plant straw slides into the connecting pipe along the surface of the gathering plate, and enters the main body of the spiral feeding equipment through the connecting pipe. Thereafter, the crushed plant straw is fed through the feeding component. Through the integrated operation from the crushing component to the feeding component, the operation steps such as transportation are reduced, and the work efficiency is improved.

[0015] In the above scheme, by setting the angle adjustment component, the staff can also control the extension or contraction of the electric push rod. The steering effect provided by the movable block of the electric push rod can drive the relative height of the connecting plate connected to the top to increase or decrease, so that the connecting material guide trough plate is deflected about the axis of the top. To a certain extent, the efficiency rate of the material body can be adjusted, and it can flexibly offset the combustion furnace of the steam boiler at different heights to prevent the material body from falling from the gap. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2This is a schematic diagram of the structure of the feeding assembly of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the crushing component of the utility model;

[0019] Figure 4 It is a schematic diagram of the structure of the angle adjustment component of the utility model.

[0020] [reference numerals]

[0021] 1. Bottom plate; 2. Bracket; 3. Feeding assembly; 4. Crushing assembly; 5. Angle adjustment assembly; 30. Screw feeding equipment body; 31. Screw auger; 32. Driver; 40. Fixed frame; 41. Crushing box; 42. Guide plate; 43. Crushing mechanism; 44. Bidirectional worm; 45. Motor; 46. Material gathering plate; 47. Connecting pipe; 430. Crushing roller; 431. Shaft; 432. Worm gear; 50. Material guide trough plate; 51. Fixed plate; 52. Movable block; 53. Electric push rod; 54. Connecting plate. DETAILED DESCRIPTION

[0022] In order to make the technical problems to be solved, technical solutions and advantages of the present invention more clear, a detailed description will be given below in conjunction with the accompanying drawings and specific embodiments.

[0023] As attached Figure 1 To Attachment Figure 4 The embodiment of the utility model provides a fuel feeding device for a steam boiler, comprising:

[0024] A bottom plate 1, a bracket 2 is fixedly mounted on the top of the bottom plate 1;

[0025] A feeding assembly 3, the outer surface of the feeding assembly 3 is fixedly mounted to the middle of the bracket 2;

[0026] The crushing assembly 4 includes a crushing box 41, a crushing mechanism 43, a bidirectional worm 44, a motor 45, and a connecting pipe 47. There are two crushing mechanisms 43, which are arranged in the middle of the crushing box 41. The end of the bidirectional worm 44 is fixedly mounted to the outer surface of the crushing box 41, the output end of the motor 45 is fixedly mounted to the end of the bidirectional worm 44, the top of the connecting pipe 47 is fixedly mounted to the inner wall of the bottom of the crushing box 41, and the bottom is fixedly mounted to the inner surface of the feeding assembly 3;

[0027] By setting a bidirectional worm 44, the two ends of the bidirectional worm 44 are two fixed plates, which are fixedly installed on the surface of the crushing box 41, and the two ends of the bidirectional worm 44 rotate inside it, and the bidirectional worm 44 can drive the two meshing crushing mechanisms 43 to rotate in the opposite direction.

[0028] It also includes an angle adjustment component 5, which is arranged on the top of the feeding component 3.

[0029] Among them, the feeding component 3 includes a spiral feeding device body 30, a spiral auger 31, and a driver 32. The outer surface of the spiral feeding device body 30 is fixedly installed with the middle part of the bracket 2. The spiral auger 31 is arranged inside the spiral feeding device body 30, and the middle part of the end is fixedly installed with the output end of the driver 32.

[0030] The crushing assembly 4 further includes a fixing frame 40, a guide plate 42, and a material gathering plate 46. One end of the fixing frame 40 is fixedly mounted on the top of the bracket 2, and the other end is fixedly mounted on the side of the crushing box 41. The guide plate 42 is arranged on the top of the fixing frame 40 to assist the material body to enter the crushing box 41. The material gathering plate 46 is arranged at the bottom of the inner cavity of the crushing box 41.

[0031] By setting the material gathering plate 46 , the material gathering plate 46 can provide a guiding effect for the crushed material body, so that the material body is gathered to the middle along its inclined surface and flows into the interior of the spiral feeding equipment body 30 from the connecting pipe 47 .

[0032] Among them, the crushing mechanism 43 includes a crushing roller 430, a shaft 431, and a worm gear 432. The crushing roller 430 is arranged inside the crushing box 41. The end of the shaft 431 is rotatably installed on the inner surface of the crushing box 41, and the outer surface is fixedly installed on the middle part of the crushing roller 430. The middle part of the worm gear 432 is fixedly installed on the outer surface of the end of the shaft 431, and is meshed with the bidirectional worm 44.

[0033] Among them, the angle adjustment component 5 includes a material guide trough plate 50, a fixed plate 51, a movable block 52, an electric push rod 53, and a connecting plate 54. The end of the material guide trough plate 50 is rotatably installed on the outer surface of the spiral feeding equipment body 30, the top of the fixed plate 51 is fixedly installed on the outer surface of the spiral feeding equipment body 30, one side of the movable block 52 is fixedly installed on the bottom of the fixed plate 51, and the other side is fixedly installed on the end of the electric push rod 53, the top of the electric push rod 53 is fixedly installed on the connecting plate 54, and the top of the connecting plate 54 is fixedly installed on the bottom of the material guide trough plate 50.

[0034] The working process of the utility model is as follows:

[0035] The plant straw is put into the crushing box 41, and the motor 45 is started. The rotation of the bidirectional worm 44 connected to the output end of the motor 45 drives the external meshing worm wheel 432 to rotate, and the shaft 431 installed in the middle of the worm wheel 432 rotates, driving the crushing roller 430 arranged in the crushing box 41 to rotate. The two groups of crushing rollers 430 rotate in opposite directions to crush the plant straw put in. The crushed plant straw slides into the connecting pipe 47 along the surface of the gathering plate 46, and enters the spiral feeding device body 30 through the connecting pipe 47. After that, the crushed plant straw is fed through the feeding component 3. Through the integrated operation from the crushing component 4 to the feeding component 3, the operation steps such as transportation are reduced, and the work efficiency is improved;

[0036] The staff can also control the electric push rod 53 to extend or retract. The electric push rod 53 can drive the relative height of the connecting plate 54 connected to the top to increase or decrease through the steering effect provided by the movable block 52, so that the connecting material guide trough plate 50 is deflected about the axis of the top. To a certain extent, the efficiency rate of the material body can be adjusted, and it can flexibly offset the combustion furnace of the steam boiler at different heights to prevent the material body from falling from the gap.

[0037] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0038] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0039] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A fuel feeding device for a steam boiler, characterized in that: include A bottom plate (1), a bracket (2) being fixedly mounted on the top of the bottom plate (1); A loading assembly (3), the outer surface of the loading assembly (3) being fixedly mounted to the middle portion of the bracket (2); A crushing assembly (4), the crushing assembly (4) comprising a crushing box (41), a crushing mechanism (43), a bidirectional worm (44), a motor (45), and a connecting pipe (47), wherein the crushing mechanism (43) is two in number and is arranged in the middle of the crushing box (41), the end of the bidirectional worm (44) is fixedly mounted to the outer surface of the crushing box (41), the output end of the motor (45) is fixedly mounted to the end of the bidirectional worm (44), the top of the connecting pipe (47) is fixedly mounted to the inner wall of the bottom of the crushing box (41), and the bottom is fixedly mounted to the inner surface of the feeding assembly (3); The crushing mechanism (43) includes a crushing roller (430), a shaft (431), and a worm gear (432); the crushing roller (430) is arranged inside a crushing box (41); the end of the shaft (431) is rotatably mounted on the inner surface of the crushing box (41), and the outer surface is fixedly mounted on the middle part of the crushing roller (430); the middle part of the worm gear (432) is fixedly mounted on the outer surface of the end of the shaft (431), and is meshed with the bidirectional worm (44).

2. A fuel feeding device for a steam boiler according to claim 1, characterized in that: It also comprises an angle adjustment component (5), wherein the angle adjustment component (5) is arranged on the top of the loading component (3).

3. A fuel feeding device for a steam boiler according to claim 1, characterized in that: The feeding assembly (3) comprises a spiral feeding device body (30), a spiral auger (31), and a driver (32); the outer surface of the spiral feeding device body (30) is fixedly mounted to the middle of the bracket (2); the spiral auger (31) is arranged inside the spiral feeding device body (30), and the middle of the end is fixedly mounted to the output end of the driver (32).

4. A fuel feeding device for a steam boiler according to claim 1, characterized in that: The crushing assembly (4) also includes a fixed frame (40), a guide plate (42), and a material gathering plate (46); one end of the fixed frame (40) is fixedly mounted on the top of the bracket (2), and the other end is fixedly mounted on the side of the crushing box (41); the guide plate (42) is arranged on the top of the fixed frame (40) to assist the material body to enter the crushing box (41); and the material gathering plate (46) is arranged at the bottom of the inner cavity of the crushing box (41).

5. A fuel feeding device for a steam boiler according to claim 2, characterized in that: The angle adjustment component (5) comprises a material guide trough plate (50), a fixed plate (51), a movable block (52), an electric push rod (53), and a connecting plate (54); the end of the material guide trough plate (50) is rotatably mounted on the outer surface of the spiral feeding device body (30); the top of the fixed plate (51) is fixedly mounted on the outer surface of the spiral feeding device body (30); one side of the movable block (52) is fixedly mounted on the bottom of the fixed plate (51), and the other side is fixedly mounted on the end of the electric push rod (53); the top of the electric push rod (53) is fixedly mounted on the connecting plate (54); and the top of the connecting plate (54) is fixedly mounted on the bottom of the material guide trough plate (50).

Images