Biomass steam generator

Abstract

The utility model provides a biomass steam generator which comprises a furnace body, a furnace wall arranged on the inner side of the furnace body, a smoke exhaust pipe arranged in the middle of the furnace body and the furnace wall, and a water inlet pipe, an exhaust pipe and a water outlet pipe which are communicated in the top of the furnace body, and the outer side of the furnace body is communicated with a water supplementing pipe, a negative pressure pipe, a feeding pipe, an air inlet pipe and an ash discharging pipe. The negative pressure pipe is communicated with a negative pressure pump; the bottom end of the air inlet pipe is communicated with a fan; a chassis is fixedly mounted in the furnace body; a rotating rod is rotationally connected in the middle of the chassis; according to the biomass steam generator, through driving of the motor, the furnace plate can be driven to rotate in the axial direction of the rotating rod, meanwhile, biomass particles added to the inner side of the furnace body from the feeding pipe can be evenly stacked on the surface of the furnace plate layer by layer, and therefore the biomass particles cannot be fully combusted.

Description

Technical Field

[0001] The utility model relates to the field of biomass steam generators, and specifically discloses a biomass steam generator. Background Art

[0002] A biomass steam generator heats water through a furnace wall to form steam, and heats the water inside a heat conduction pipe through contact with the steam. During the use of the existing biomass steam generator, biomass particles cannot be evenly added layer by layer to the furnace tray, resulting in incomplete combustion of the biomass particles. Moreover, the dust generated by the combustion of the biomass particles will adhere to the inner surface of the furnace wall. If not cleaned in time, it will affect the heating effect of the biomass steam generator. Content of the Utility Model

[0003] In view of the above defects or deficiencies in the prior art, the present application aims to provide a biomass steam generator, which includes a furnace body, a furnace wall arranged inside the furnace body, a smoke exhaust pipe arranged inside the middle of the furnace body and the furnace wall, and a water inlet pipe, an exhaust pipe and a water outlet pipe communicated inside the top of the furnace body. A water replenishing pipe, a negative pressure pipe, a feeding pipe, an air inlet pipe and an ash discharging pipe are communicated with the outside of the furnace body. A pressure sensor is installed on the outside of the top end of the exhaust pipe, a valve is installed on the outside of the water replenishing pipe, the negative pressure pipe is communicated with a negative pressure pump, the bottom end of the air inlet pipe is communicated with a blower, a chassis is fixedly installed inside the furnace body, a rotating rod is rotatably connected inside the middle of the chassis, a driving mechanism is fixedly installed at the bottom of the chassis, a furnace tray adapted to the furnace body and having ash discharging holes penetrating therethrough is arranged at the top of the rotating rod, and a cleaning rack located outside the bottom end of the smoke exhaust pipe is arranged at the top of the furnace tray.

[0004] Preferably, a chamfer is provided on the side surface of the cleaning rack.

[0005] Preferably, heat conduction pipes are communicated with the outside of the bottom ends of the water inlet pipe and the water outlet pipe and are evenly distributed outside the smoke exhaust pipe.

[0006] Preferably, the driving mechanism includes a first support, a second support and a motor fixedly installed on the chassis, and a worm gear fixedly sleeved on the outside of the rotating rod. A worm meshing with the outer edge of the worm gear is rotatably connected between the first support and the second support, and one end of the worm extending outside the second support is fixedly connected with the output shaft of the motor through a shaft sleeve.

[0007] Compared with the prior art, the utility model has the following beneficial effects:

[0008] 1. The biomass steam generator can drive the furnace plate to rotate around the axial direction of the rotating rod through the drive of the motor, and at the same time, the biomass particles added into the inner side of the furnace body from the feed pipe can be evenly stacked layer by layer on the surface of the furnace plate, so that the biomass particles cannot burn sufficiently.

[0009] 2. The biomass steam generator can make the furnace plate rotate synchronously through the cleaning frame, and then clean the dust attached to the inner surface of the furnace wall in time and automatically through the rotation of the cleaning frame, so that the water between the furnace body and the furnace wall can be heated quickly after the furnace wall is heated, and it will not affect the heating effect of the biomass steam generator. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Other features, objects, and advantages of the present application will become more apparent by reading the detailed description of the non-limiting embodiments with reference to the following drawings:

[0011] Figure 1 It is a schematic structural diagram of the present utility model;

[0012] Figure 2 It is a schematic diagram of the cleaning frame of the present utility model;

[0013] Figure 3 For Figure 2 An enlarged schematic diagram of the structure at A in

[0014] Figure 4 It is a schematic diagram of the distribution of the heat conduction pipes of the present utility model;

[0015] Figure 5 It is a schematic diagram of the bottom of the structure of the present utility model.

[0016] In the figure: 1. Furnace body; 2. Furnace wall; 3. Exhaust pipe; 4. Water inlet pipe; 5. Exhaust pipe; 6. Water outlet pipe; 7. Make-up water pipe; 8. Negative pressure pipe; 9. Feed pipe; 10. Air inlet pipe; 11. Ash discharge pipe; 12. Pressure sensor; 13. Valve; 14. Fan; 15. Chassis; 16. Rotating rod; 17. Driving mechanism; 171. First support; 172. Second support; 173. Motor; 174. Worm gear; 175. Worm; 176. Bush; 18. Furnace plate; 19. Cleaning frame; 20. Chamfer; 21. Heat conduction pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] The following further describes the present application in detail with reference to the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the relevant utility model and are not intended to limit the utility model. In addition, it should be noted that only the parts related to the utility model are shown in the drawings for the convenience of description.

[0018] The accompanying drawings in the embodiments of the present invention: different types of section lines in the drawings are not marked according to national standards, nor do they impose any requirements on the materials of the components. Instead, they are used to distinguish the cross-sectional views of the components in the drawings.

[0019] See also Figures 1-5 A biomass steam generator comprises a furnace body 1, a furnace wall 2 arranged on the inner side of the furnace body 1, a smoke exhaust pipe 3 arranged inside the middle of the furnace body 1 and the furnace wall 2, and a water inlet pipe 4, an exhaust pipe 5 and a water outlet pipe 6 connected to the top of the furnace body 1. The outside of the furnace body 1 is connected with a water supply pipe 7, a negative pressure pipe 8, a feed pipe 9, an air inlet pipe 10 and an ash discharge pipe 11. A pressure sensor 12 is installed on the outside of the exhaust pipe 5 and the top, a valve 13 is installed on the outside of the water supply pipe 7, and a negative pressure pump is connected to the negative pressure pipe 8. The cavity between the furnace body 1 and the furnace wall 2 can be evacuated by driving the negative pressure pump, so that water can be easily evaporated by heat, and the pressure in the cavity can be detected by the pressure sensor 12. When the pressure sensor 12 detects that the pressure reaches the set value, the negative pressure source will be closed to stop the extraction. The bottom end of the air inlet pipe 10 is connected to a fan 14, which is driven by the fan 14 to introduce fresh air into the furnace body 1 through the air inlet pipe 10, thereby ensuring that the biomass particles added to the surface of the furnace plate 18 can be fully burned, and the biomass particles can heat the water between the furnace body 1 and the furnace wall 2 through the pressure sensor 12 during the combustion process, and the heated water heats the water inside the heat conduction pipe 21 after evaporation, and a chassis 15 is fixedly installed inside the furnace body 1, and a rotating rod 16 is rotatably connected to the middle part of the chassis 15, and a driving mechanism 17 is fixedly installed at the bottom of the chassis 15, and a furnace plate 18 that is compatible with the furnace body 1 and has an ash discharge hole running through it is arranged on the top of the rotating rod 16, and a cleaning rack 19 located on the outside of the bottom end of the smoke exhaust pipe 3 is arranged on the top of the furnace plate 18.

[0020] The side of the cleaning frame 19 is provided with a chamfer 20, and the dust attached to the inner wall of the furnace wall 2 can be cleaned by the rotation of the cleaning frame 19, and the chamfer 20 can avoid the furnace wall 2 to prevent the cleaning frame 19 from scratching the furnace wall 2 during the rotation process.

[0021] The outer sides of the bottom ends of the water inlet pipe 4 and the water outlet pipe 6 are connected with heat pipes 21 which are evenly distributed and located outside the smoke exhaust pipe 3. When the steam moves to the upper side of the inner side of the furnace body 1 through the heat pipes 21, the heat pipes 21 can be heated, and then the water inside the heat pipes 21 can be effectively heated by conduction through the heat pipes 21.

[0022] Among them, the driving mechanism 17 includes a first support 171, a second support 172 and a motor 173 fixedly installed on the chassis 15, and a worm gear 174 fixedly sleeved outside the rotating rod 16. A worm 175 meshing with the outer edge of the worm gear 174 is rotatably connected between the first support 171 and the second support 172. One end of the worm 175 extending outside the second support 172 is fixedly connected to the output shaft of the motor 173 through a bushing 176. By rotating the motor 173, the worm 175 can be driven to rotate, and at the same time, the worm gear 174 and the rotating rod 16 can be driven to rotate synchronously. While the rotating rod 16 rotates, the cooking plate 18 is driven to rotate around its own axis.

[0023] When adding materials to the inside of the furnace body 1, the motor 173 is started. By driving the motor 173, the cooking plate 18 is driven to rotate around the axis of the rotating rod 16, and at the same time, the cleaning frame 19 is driven to rotate synchronously. The inner wall of the furnace wall 2 is cleaned by the rotation of the cleaning frame 19. And the biomass particles conveyed into the inside of the furnace body 1 through the feeding pipe 9 are gradually and evenly stacked in layers on the surface of the cooking plate 18 as the cooking plate 18 rotates. The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0024] It should be noted that, without conflict, the embodiments in this application and the features in the embodiments can be combined with each other. The following will refer to the drawings and combine the embodiments to detail this application.

[0025] The above description is only the preferred embodiment of this application and the explanation of the applied technical principle. Those skilled in the art should understand that the scope of the utility model involved in this application is not limited to the technical solution formed by the specific combination of the above technical features, and should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept of the utility model. For example, the technical solution formed by mutually replacing the above features with the (but not limited to) technical features with similar functions disclosed in this application.

Claims

1. A biomass steam generator, comprising a furnace body (1), a furnace wall (2) arranged inside the furnace body (1), a smoke exhaust pipe (3) arranged inside the middle of the furnace body (1) and the furnace wall (2), and a water inlet pipe (4), an exhaust pipe (5) and a water outlet pipe (6) communicated inside the top of the furnace body (1), characterized in that: A water replenishing pipe (7), a negative pressure pipe (8), a feed pipe (9), an air inlet pipe (10) and an ash discharge pipe (11) are communicated with the outside of the furnace body (1). A pressure sensor (12) is installed on the outer side of the top end of the exhaust pipe (5). A valve (13) is installed on the outer side of the water replenishing pipe (7). The negative pressure pipe (8) is communicated with a negative pressure pump. The bottom end of the air inlet pipe (10) is communicated with a blower (14). A chassis (15) is fixedly installed inside the furnace body (1). A rotating rod (16) is rotatably connected to the inside of the middle part of the chassis (15). A driving mechanism (17) is fixedly installed at the bottom of the chassis (15). A furnace plate (18) which is adapted to the furnace body (1) and has ash discharge holes penetrating through the inside thereof is arranged at the top of the rotating rod (16). A cleaning frame (19) which is located outside the bottom end of the smoke exhaust pipe (3) is arranged at the top of the furnace plate (18).

2. The biomass steam generator according to claim 1, wherein: A chamfer (20) is formed on the side surface of the cleaning frame (19).

3. A biomass steam generator according to claim 1, wherein: Heat conducting pipes (21) which are distributed at equal intervals and are located outside the smoke exhaust pipe (3) are communicated with the outer sides of the bottom ends of the water inlet pipe (4) and the water outlet pipe (6).

4. A biomass steam generator according to claim 1, wherein: The driving mechanism (17) includes a first support (171), a second support (172) and a motor (173) fixedly installed on the chassis (15), and a worm gear (174) fixedly sleeved on the outer side of the rotating rod (16). A worm (175) which is meshed with the outer edge of the worm gear (174) is rotatably connected between the first support (171) and the second support (172). One end of the worm (175) extending outside the second support (172) is fixedly connected with the output shaft of the motor (173) through a shaft sleeve (176).

Images