Slag conveying device for biomass gas furnace

Abstract

The present invention provides a slag conveying device for a biomass gas stove, comprising a conveying pipeline, a chain transmission mechanism and a plurality of scrapers; one end of the conveying pipeline extends into the bottom of the biomass gas stove, the other end of the conveying pipeline extends out of the outside of the biomass gas stove, the chain of the chain transmission mechanism is tensioned on the outside of the driving roller and the driven roller, and a plurality of scrapers are fixedly connected to the chain at intervals in sequence; the two side walls of the conveying pipeline are respectively provided with slide grooves along the movement trajectory of the scraper, and the two sides of the scraper are respectively provided with track components, one end of the transmission shaft of the track component is fixedly connected to the corresponding side wall of the scraper, and the other end of the transmission shaft extends into the corresponding slide groove, and the pulley is installed on the transmission shaft extending into the slide groove, and the pulley cooperates with the corresponding slide groove. The cooperation of the track component and the slide groove of the conveying pipeline limits the stability of the moving trajectory of the scraper, and forces the scraper to always contact the inner bottom wall of the conveying pipeline; after long-term use, the inclination angle of the scraper is reduced to ensure that the scraper moves along the original trajectory, which greatly prolongs the interval of subsequent maintenance.

Description

Technical Field

[0001] The invention relates to a slag conveying device for a biomass gas furnace. Background Art

[0002] Large-scale biomass gas furnaces are widely used in large industrial enterprises, and can supply a large amount of steam to the enterprises. After the biomass fuel of large-scale biomass gas furnaces is burned, a large amount of residue will be left. The above residue has the characteristics of high temperature, high viscosity, and easy solidification, and needs to be transported out of the bottom of the biomass gas furnace in time. At present, the slag that falls on the bottom of the biomass gas furnace is transported to the outside of the biomass gas furnace through a scraper conveying mechanism. The structure of the scraper conveying mechanism is to weld a number of scrapers on the chain. The scraper directly scrapes the slag on the bottom wall of the biomass gas furnace and transports the slag to the outside of the biomass combustion furnace along the bottom wall of the pipeline; but after the existing scraper conveying mechanism is used for a long time, the angle of the scraper is easy to tilt, and it is difficult to move along the original trajectory, which affects the efficiency of scraping; and the scraper is affected by the solidified slag on the pipeline, and there is a gap between a certain position of the scraper and the bottom wall of the pipeline. The gap will continue to increase, requiring subsequent frequent maintenance. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a slag conveying device for a biomass gas furnace which has a reasonable structure and can limit the running track of a scraper.

[0004] In order to solve the above technical problems, the present invention provides a slag conveying device for a biomass gas stove, comprising a conveying pipeline, a chain transmission mechanism and a plurality of scrapers; one end of the conveying pipeline extends into the bottom of the biomass gas stove, and the other end of the conveying pipeline extends out of the biomass gas stove; the chain transmission mechanism comprises a driving roller, a driven roller and at least one chain, the chain is tensioned on the outside of the driving roller and the driven roller, and a plurality of scrapers are fixedly connected to the chain at intervals in sequence;

[0005] The side walls on both sides of the conveying pipeline are respectively provided with slide grooves along the movement trajectory of the scraper. Track assemblies are respectively provided on both sides of the scraper. The two groups of track assemblies correspond one to one to the two slide grooves. The track assembly includes a transmission shaft and a pulley. One end of the transmission shaft is fixedly connected to the corresponding side wall of the scraper, and the other end of the transmission shaft extends into the corresponding slide groove. The pulley is installed on the transmission shaft extending into the slide groove, and the pulley cooperates with the corresponding slide groove.

[0006] After adopting such a structure, the track assembly and the slide groove of the conveying pipe cooperate to limit the stability of the scraper's moving trajectory, forcing the scraper to always contact the inner bottom wall of the conveying pipe when it runs to the lower side of the chain transmission mechanism; after long-term use, the scraper's inclination angle is reduced to ensure that the scraper moves along the original trajectory, thereby improving the scraping efficiency and greatly extending the subsequent maintenance intervals.

[0007] In order to more clearly understand the technical content of the present invention, the slag conveying device of the biomass gas furnace is referred to as the slag conveying device below.

[0008] The slag conveying device of the biomass gas furnace of the slag conveying device also includes two groups of lubrication components, and the two groups of lubrication components correspond one to one to the two slide grooves. The lubrication components include an oil storage cup, an oil dripping pipe and an end head. The oil storage cup is fixedly connected to the upper end face of the conveying pipeline, and an oil storage tank for storing lubricating oil is provided in the oil storage cup. The lower end of the oil dripping pipe extends into the corresponding slide groove, and the upper end of the oil dripping pipe is communicated with the bottom of the oil storage tank of the oil storage cup. The end head is hinged to the oil dripping pipe, and the upper end face of the end head completely blocks the lower end port of the oil dripping pipe, and the lower end portion of the end head passes through the motion trajectory of the pulley.

[0009] After adopting such a structure, when the pulley of the track assembly package passes through the lubrication assembly, the pulley pushes the end to rotate along the hinge, and the lubricating oil falls onto the pulley through the dropper. As the pulley rolls, the lubricating oil is evenly applied on the track where the pulley passes, thereby achieving the effect of lubricating the track assembly.

[0010] The lubrication assembly of the slag conveying device also includes a first magnet and a second magnet. The first magnet is fixedly connected to the lower end surface of the oil dripping pipe, and the second magnet is fixedly connected to the upper end surface of the end head. The first magnet cooperates with the second magnet.

[0011] After adopting such a structure, there is suction force between the first magnet and the second magnet, so that the pulley passes through the rear end head and automatically re-closes the lower port of the dropper, thereby achieving the purpose of automatic resetting. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a cross-sectional view of the structural schematic diagram of an embodiment of the slag conveying device.

[0013] Figure 2 yes Figure 1 Partial section view along AA.

[0014] Figure 3 yes Figure 2 Enlarged view of part B. DETAILED DESCRIPTION

[0015] like Figures 1 to 3 Shown

[0016] The slag conveying device comprises a conveying pipeline 1 , a chain transmission mechanism, two sets of lubrication components and a plurality of scrapers 3 .

[0017] The conveying pipeline 1 is a square tube, the lower end of which extends into the bottom of the biomass gas furnace, and the upper end of which extends out of the biomass gas furnace. The bottom wall and the upper end surface of the upper end of the conveying pipeline 1 are provided with a slag discharge port 11 for discharging slag.

[0018] The chain transmission mechanism includes a driving roller 21, a driven roller 22 and two chains 23. The two chains 23 are tensioned on the outside of the driving roller 21 and the driven roller 22. The driving roller 21 is driven by an external motor. A plurality of scrapers 3 are welded on the two chains 23 in sequence at intervals. The movement trajectory of the end of the scraper 3 contacts the lower inner wall of the conveying pipe 1.

[0019] Annular grooves are respectively provided on the front and rear side walls of the conveying pipeline 1 along the movement trajectory of the scraper 3. Baffles 12 are respectively fixed to the front and rear side walls of the conveying pipeline 1 by bolts. The baffle 12 has an annular hole corresponding to the annular groove of the side wall of the conveying pipeline 1 (the annular hole separates the baffle 12 into two plates, and the two plates are respectively fixed to the corresponding side walls of the conveying pipeline 1 by bolts). The width of the annular hole is only for the transmission shaft 41 of the track assembly to pass through. The baffle 12 and the annular groove of the conveying pipeline 1 jointly form a slide groove 13 for the pulley 42 of the track assembly to cooperate with.

[0020] A track assembly is provided on both sides of each scraper 3, and the two sets of track assemblies correspond one to one with the two slide grooves 13. The track assembly includes a transmission shaft 41 and a pulley 42. One end of the transmission shaft 41 is fixedly connected to the corresponding side wall of the scraper 3, and the other end of the transmission shaft 41 extends into the corresponding slide groove 13 from the annular hole of the baffle 12. The pulley 42 is installed on the transmission shaft 41 extending into the slide groove 13, and the pulley 42 cooperates with the corresponding slide groove 13.

[0021] The two groups of lubrication components correspond one to one with the two slide grooves 13. The lubrication components are located at the upper end of the conveying pipeline 1. The lubrication components include an oil storage cup 51, an oil dripping tube 52, an end head 53, a first magnet 54 and a second magnet 55. The oil storage cup 51 is welded to the upper end surface of the conveying pipeline 1. An oil storage tank 51a for storing lubricating oil is provided in the oil storage cup 51. The upper end of the oil dripping tube 52 is communicated with the bottom of the oil storage tank 51a of the oil storage cup 51. The lower end of the oil dripping tube 52 extends into the corresponding slide groove 13. The end head 53 and the oil dripping tube 52 are hinged by a hinge (the hinge is not shown in the hinge diagram).

[0022] The first magnet 54 is an annular magnet, and is embedded in the lower end surface of the dripping tube 52. The inner hole of the first magnet 54 is connected to the lower end of the dripping tube 52. The second magnet 55 is fixed on the upper end surface of the end 53, and the first magnet 54 cooperates with the second magnet 55.

[0023] The upper end of the end head 53 is located on the upper side of the motion track of the pulley 42 , the upper end surface of the end head 53 completely blocks the lower end of the drip tube 52 , and the lower end of the end head 53 passes through the motion track of the pulley 42 .

[0024] When in use, the track assembly and the slide groove 13 of the conveying pipe 1 cooperate to limit the stability of the moving trajectory of the scraper 3, forcing the scraper 3 to always contact the inner bottom wall of the conveying pipe 1 when it runs to the lower side of the chain transmission mechanism.

[0025] In addition, each time the pulley 42 of the track assembly passes through the lubrication assembly, the pulley 42 pushes the end 53 to rotate along the hinge, and the lubricating oil drops onto the pulley 42 through the dropper. As the pulley 42 rolls, the lubricating oil is evenly spread on the track where the pulley 42 passes, thereby lubricating the track assembly.

[0026] The above is only one embodiment of the present invention. It should be pointed out that a person skilled in the art may make several modifications and improvements without departing from the principle of the present invention, and these should also be regarded as falling within the scope of protection of the present invention.

Claims

1. A slag conveying device for a biomass gas stove, comprising a conveying pipeline, a chain transmission mechanism and a plurality of scrapers; one end of the conveying pipeline extends into the bottom of the biomass gas stove, and the other end of the conveying pipeline extends out of the biomass gas stove; the chain transmission mechanism comprises a driving roller, a driven roller and at least one chain, the chain is tensioned on the outside of the driving roller and the driven roller, and a plurality of scrapers are fixedly connected to the chain at intervals in sequence; Its characteristics are: The side walls of the conveying pipeline are respectively provided with slide grooves along the movement track of the scraper, and the two sides of the scraper are respectively provided with track components, and the two sets of track components correspond to the two slide grooves one by one. The track component includes a transmission shaft and a pulley, one end of the transmission shaft is fixedly connected to the corresponding side wall of the scraper, and the other end of the transmission shaft extends into the corresponding slide groove, and the pulley is installed on the transmission shaft extending into the slide groove, and the pulley cooperates with the corresponding slide groove; The slag conveying device of the biomass gas stove also includes two groups of lubrication components, which correspond to the two chutes one by one. The lubrication components include an oil storage cup, an oil dripping pipe and an end head. The oil storage cup is fixedly connected to the upper end face of the conveying pipeline. An oil storage tank for storing lubricating oil is provided in the oil storage cup. The lower end of the oil dripping pipe extends into the corresponding chute. The upper end of the oil dripping pipe communicates with the bottom of the oil storage tank of the oil storage cup. The end head is hinged to the oil dripping pipe. The upper end face of the end head completely blocks the lower end of the oil dripping pipe. The lower end of the end head passes through the motion track of the pulley. The lubrication assembly further comprises a first magnet and a second magnet, wherein the first magnet is fixedly connected to the lower end surface of the oil dripping tube, and the second magnet is fixedly connected to the upper end surface of the end head, and the first magnet cooperates with the second magnet; The conveying pipeline is a square tube.

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