Horizontal gasifier ash pushing device
By designing a horizontal gasifier ash push device, the ash discharge rack and mobile rack are used to achieve layer-by-layer emission and control of ash, the problem of difficult to control the ash speed of the horizontal gasifier is solved and the gasifier is ensured. Normal work and clean environment.
Patent Information
- Application Number
- CN202421114823.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-21
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-05-21
AI Technical Summary
The ash speed of existing horizontal gasifiers is difficult to control, which can easily lead to a sudden drop in the inner layer of the furnace, affecting fuel combustion and temperature stability, and thus affecting the normal operation of the gasifier.
A horizontal gasifier ash push device is designed, including components such as furnace body, ash discharge rack and a mobile rack. By setting up structures such as leakage, ash discharge port, ash discharge port, ash push plate, a pull rod and a push spring , realize layer-by-layer emissions and control of ash, and avoid ash accumulation affecting the combustion effect.
Effectively control the emission rate of ash, avoid insufficient fuel combustion or sudden drop in temperature, ensure the normal operation of the gasifier, and facilitate collection of ash and environmental cleaning.
Smart Images
Figure CN222454945U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of gasifiers, in particular to an ash pushing device for a horizontal gasifier. Background Art
[0002] Biomass energy has been widely used as a renewable, pollution-free clean energy. Biomass gasification and combustion is one of the main ways to efficiently utilize biomass. Biomass gasification and combustion generally uses a dedicated biomass gasifier and a supporting biomass boiler system. Specifically, the biomass fuel is pushed into the gasification furnace for gasification. The gasifier will produce a large amount of residual material during operation, which needs to be discharged in time to ensure normal operation. The existing horizontal gasifier has an ash discharge speed that is difficult to control, which can easily cause the material layer in the furnace to drop suddenly, resulting in insufficient fuel combustion in the furnace or a sudden drop in temperature, which affects the operation of the gasifier. For this reason, we propose an ash pushing device for a horizontal gasifier. Utility Model Content
[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an ash pushing device for a horizontal gasifier, which effectively solves the problem that the ash discharge speed of the existing horizontal gasifier is difficult to control, which easily causes the material layer in the furnace to suddenly drop, resulting in insufficient fuel combustion in the furnace or a sudden drop in temperature, affecting the operation of the gasifier.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an ash pushing device for a horizontal gasification furnace, comprising a furnace body, a leakage opening is opened on the bottom wall of the furnace body, an ash discharge rack is arranged on the inner wall of the leakage opening, ash leakage openings are evenly opened on the top wall of the ash discharge rack, ash discharge openings are evenly opened on the bottom wall of the ash discharge rack, the ash leakage openings and the ash discharge openings are staggered, a movable rack is arranged on the inner wall of the ash discharge rack, ash pushing plates are arranged on the front and rear side walls of the inner cavity of the movable rack, a pull rod is arranged on the front side wall of the movable rack, and the left end of the pull rod passes through the left side wall of the furnace body.
[0005] Preferably, a slide groove is provided on the rear side wall of the inner cavity of the furnace body, a cleaning screw is provided on the left and right side walls of the inner cavity of the slide groove, a scraping ring is provided on the outer wall of the cleaning screw, and the scraping ring is located on the inner wall of the furnace body.
[0006] Preferably, the left side wall of the inner cavity of the ash discharge rack is evenly provided with pushing springs, and the right ends of the pushing springs are all provided on the right side wall of the movable rack.
[0007] Preferably, a movable groove is provided on the front side wall of the inner cavity of the furnace body, sliding rods are provided on the left and right side walls of the inner cavity of the movable groove, and the scraping ring is provided on the outer wall of the sliding rod.
[0008] Preferably, a placing rack is provided on the bottom wall of the furnace body, and an ash collecting box is provided on the inner wall of the placing rack.
[0009] Compared with the prior art, the beneficial effects of the utility model are:
[0010] 1. The ash pushing device of the horizontal gasifier can facilitate the discharge of ash layer by layer by arranging the furnace body, ash discharging rack and mobile rack and other devices, so as to control the discharge rate of ash and avoid insufficient combustion of fuel in the furnace or sudden drop of temperature to affect the operation of the gasifier;
[0011] 2. The ash-pushing device of the horizontal gasification furnace can facilitate the ash-pushing and cleaning of the inner cavity of the furnace body by arranging the ash-cleaning screw, the ash-scraping ring and the furnace body and other devices, so as to avoid the ash adhering to the inner wall of the furnace body and accumulating to affect the combustion effect, which is conducive to the ash-pushing operation;
[0012] 3. The ash pushing device of the horizontal gasification furnace can make the mobile frame move back and forth by arranging a pushing spring, a pull rod and a moving frame, etc., so that the device can make the mobile frame move back and forth by repeatedly pulling the pull rod. At the same time, the collision vibration generated when the pushing spring pushes the mobile frame to reset can make the ash fall, which is beneficial to the ash removal operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.
[0014] In the attached picture:
[0015] Figure 1 This is a schematic diagram of the structure of the ash pushing device for the horizontal gasification furnace of the utility model;
[0016] Figure 2 It is a cross-sectional structural schematic diagram of the ash discharge frame of the utility model;
[0017] Figure 3 It is a cross-sectional structural schematic diagram of the furnace body of the utility model;
[0018] In the figure: 100, furnace body; 101, ash discharge rack; 102, movable rack; 103, ash pusher plate; 104, pull rod; 105, ash cleaning screw; 106, ash scraper ring; 107, pushing spring; 108, slide rod; 109, placement rack; 110, ash collection box. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0020] Depend on Figure 1 , Figure 2 and Figure 3 The utility model provides an ash pushing device for a horizontal gasification furnace, a leakage opening is provided on the bottom wall of a furnace body 100, an ash discharge frame 101 is fixedly connected to the inner wall of the leakage opening, the ash discharge frame 101 is convenient for supporting and discharging ash, the top wall of the ash discharge frame 101 is evenly provided with ash leakage openings, the bottom wall of the ash discharge frame 101 is evenly provided with ash discharge openings, the ash leakage openings and the ash discharge openings are staggered, the inner wall of the ash discharge frame 101 is slidably connected with a movable frame 102, the movable frame 102 is convenient for driving an ash pushing plate 103 to move, the front and rear side walls of the inner cavity of the movable frame 102 are fixedly connected with an ash pushing plate 103, the ash is driven to move by the ash pushing plate 103, the front side wall of the movable frame 102 is fixedly connected with a pull rod 104, the pull rod 104 is convenient for driving the movable frame 102 to move, and the left end of the pull rod 104 passes through the left side wall of the furnace body 100.
[0021] In the present embodiment: biomass materials such as firewood are put into the furnace body 100, and burned by ignition, and ashes are generated after combustion. The ashes fall into the inner cavity of the ash discharge frame 101 through the ash leakage port, and the ashes are supported by the bottom wall of the inner cavity of the ash discharge frame 101, and the movable frame 102 is driven to move by pulling the pull rod 104, and the ash pushing plate 103 is driven to move by the movement of the movable frame 102, and the ashes are pushed by the movement of the ash pushing plate 103, so that the ashes are moved to the ash discharge port for discharge, and only some ashes are discharged at a time, and the ashes are discharged layer by layer by reciprocating movement, so that the device can easily discharge the ashes layer by layer, and it is convenient to control the discharge rate of the ashes, so as to avoid insufficient combustion of fuel in the furnace or a sudden drop in temperature to affect the operation of the gasifier.
[0022] A slide groove is provided on the rear side wall of the inner cavity of the furnace body 100, and a cleaning screw 105 is connected to the left end of the left and right side walls of the inner cavity of the slide groove. The cleaning screw 105 is used to drive the scraper ring 106 to move. The outer wall of the cleaning screw 105 is screwed with the scraper ring 106, and the scraper ring 106 is used to scrape and clean the inner wall of the furnace body 100. The scraper ring 106 is located on the inner wall of the furnace body 100.
[0023] In the present embodiment: the ash scraping ring 106 is driven to move by rotating the cleaning screw 105, and the ash scraping ring 106 is moved to scrape off the ash attached to the inner wall of the furnace body 100. The ash scraping ring 106 is driven to move back and forth by the forward and reverse rotation of the cleaning screw 105, so as to facilitate the scraping of the ash in the inner cavity of the furnace body 100. The device can facilitate the pushing of the ash in the inner cavity of the furnace body 100, avoid the ash adhering to the inner wall of the furnace body 100 and accumulate to affect the combustion effect, which is conducive to the ash pushing operation.
[0024] The left side wall of the inner cavity of the ash discharge frame 101 is evenly and fixedly connected with a pushing spring 107 , which facilitates pushing the movable frame 102 to move and reset. The right end of the pushing spring 107 is arranged on the right side wall of the movable frame 102 .
[0025] In this embodiment: by providing a pushing spring 107, it is convenient to push the movable frame 102 to reset, which is beneficial to ash discharge. By repeatedly pulling the pull rod 104, the movable frame 102 can be reciprocated. The collision vibration generated when the pushing spring 107 pushes the movable frame 102 to reset can make the ash fall, which is beneficial to the ash discharge operation.
[0026] A movable groove is provided on the front side wall of the inner cavity of the furnace body 100 , and a slide bar 108 is fixedly connected to the left and right side walls of the inner cavity of the movable groove. The slide bar 108 is used to limit and guide the movement of the scraper ring 106 , and the scraper ring 106 is arranged on the outer wall of the slide bar 108 .
[0027] In this embodiment, the sliding rod 108 is provided to facilitate the limiting and guiding of the movement of the scraper ring 106, thereby preventing the scraper ring 106 from deflecting, and facilitating the scraper ring 106 to perform a moving scraping operation.
[0028] The bottom wall of the furnace body 100 is fixedly connected with a placement rack 109 , which facilitates supporting the ash box 110 . The inner wall of the placement rack 109 is slidably connected with the ash box 110 , and the ash is collected by the ash box 110 .
[0029] In this embodiment, the placement frame 109 is provided to facilitate supporting the ash box 110 , and the ash box 110 collects the discharged ashes to prevent the ashes from scattering and polluting the surrounding ashes, which is conducive to keeping the environment clean.
Claims
1. An ash pushing device for a horizontal gasification furnace, comprising a furnace body (100), characterized in that: The bottom wall of the furnace body (100) is provided with a leakage opening, the inner wall of the leakage opening is provided with an ash discharge frame (101), the top wall of the ash discharge frame (101) is evenly provided with ash leakage openings, the bottom wall of the ash discharge frame (101) is evenly provided with ash discharge openings, the ash leakage openings and the ash discharge openings are arranged in a staggered manner, the inner wall of the ash discharge frame (101) is provided with a movable frame (102), the front and rear side walls of the inner cavity of the movable frame (102) are both provided with ash pushing plates (103), the front side wall of the movable frame (102) is provided with a pull rod (104), and the left end of the pull rod (104) passes through the left side wall of the furnace body (100).
2. The ash pushing device for a horizontal gasification furnace according to claim 1, characterized in that: A slide groove is provided on the rear side wall of the inner cavity of the furnace body (100), a cleaning screw (105) is provided on the left and right side walls of the inner cavity of the slide groove, a scraping ring (106) is provided on the outer wall of the cleaning screw (105), and the scraping ring (106) is located on the inner wall of the furnace body (100).
3. The ash pushing device for a horizontal gasification furnace according to claim 1, characterized in that: The left side wall of the inner cavity of the ash discharging frame (101) is evenly provided with pushing springs (107), and the right ends of the pushing springs (107) are all provided on the right side wall of the movable frame (102).
4. The ash pushing device for a horizontal gasification furnace according to claim 2, characterized in that: A movable groove is provided on the front side wall of the inner cavity of the furnace body (100), and sliding rods (108) are provided on the left and right side walls of the inner cavity of the movable groove. The scraping ring (106) is provided on the outer wall of the sliding rod (108).
5. The ash pushing device for a horizontal gasification furnace according to claim 1, characterized in that: The bottom wall of the furnace body (100) is provided with a placement rack (109), and the inner wall of the placement rack (109) is provided with an ash collection box (110).