Novel non-stop ash discharging device for fixed bed gas producer
By designing a novel non-stop ash discharge device for fixed-bed gasifiers, and utilizing microcomputer control and sealing components, the problem of needing to shut down the gasification unit for ash discharge has been solved. This achieves safe, efficient sealing and continuous ash discharge, avoiding energy waste and safety hazards.
Patent Information
- Application Number
- CN202423093911.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-16
AI Technical Summary
In existing technologies, the fixed-bed gasifier in coal gasification units requires shutdown for ash removal, which poses safety hazards, energy waste, and equipment wear and tear.
A novel non-stop ash discharge device for a fixed-bed gasifier is designed, comprising an ash discharge gate, an ash discharge cylinder, an ash hopper, a transition section, a valve core, a valve stem, an upper valve, and an upper valve cylinder. Remote operation is achieved through microcomputer control. Combined with sealing components and hard and soft sealing surfaces, the sealing effect is ensured, achieving leak-free ash discharge.
It improves work efficiency, reduces emissions of toxic and harmful gases, eliminates safety accidents, ensures airtight sealing, reduces energy waste, and enables continuous ash removal operations without stopping the machine.
Smart Images
Figure CN223592668U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to ash removal equipment technical field, more specifically, it relates to a novel fixed bed coal gas producer non-stop ash removal device. BACKGROUND
[0002] In the prior art, at present, the ash removal of the fixed bed coal gas producer adopts manual parking ash removal or plug valve ash removal, and personnel operation is needed on site, and there are safety hazards. According to the process requirement, the parking ash removal must have a blowing stage, energy is wasted, waste gas is discharged, the environment is polluted, the plug valve ash removal is prone to wear and air leakage due to no compression amount supplement of the valve plate, normal production is affected, and energy is wasted, and the utility model provides a new solution for the above problems. SUMMARY
[0003] In view of the problems in the prior art, the utility model provides a novel fixed bed coal gas producer non-stop ash removal device to solve the technical problems in the background art.
[0004] To achieve the above purpose, the utility model provides the following technical scheme: a novel fixed bed coal gas producer non-stop ash removal device, including ash removal round door, ash removal oil cylinder, ash bucket, transition nipple, valve core, valve rod, upper valve and upper valve oil cylinder, the ash removal round door is connected with the ash bucket through the ash removal oil cylinder, the transition nipple lower end is connected with the ash bucket and the ash removal round door, the upper valve upper end is connected with the upper valve oil cylinder, the upper valve oil cylinder lower end is connected with the valve rod, and the valve core is connected with the valve rod.
[0005] The utility model further sets up, valve rod outside is equipped with two sets of sealing components.
[0006] The utility model further sets up, the upper valve oil cylinder lower end is installed with oil cylinder support, and the upper valve oil cylinder is connected with the upper valve through the oil cylinder support.
[0007] The utility model further sets up, the ash bucket lower end is equipped with hard sealing surface.
[0008] The utility model further sets up, the ash removal round door upper end is equipped with replaceable soft sealing pad.
[0009] Compared with the prior art, the utility model provides a novel fixed bed coal gas producer non-stop ash removal device, which has the following beneficial effects:
[0010] The device improves work efficiency, reduces toxic and harmful gas emission, and prevents safety accidents. The upper valve is provided with a transition nipple, which transitions the original ash removal square port to a round port. The round port is provided with a sealing surface, the sealing effect is better, and the valve rod is provided with two sets of sealing components to realize air-tight sealing of the valve rod. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 It is the whole structure schematic view of a novel fixed bed coal gas producer non-stop ash discharging device.
[0012] In the figure: 1, ash discharging round door; 2, ash discharging oil cylinder; 3, ash bucket; 4, transition nipple; 5, valve core; 6, valve rod; 7, upper valve; 8, sealing assembly; 9, oil cylinder support; 10, upper valve oil cylinder. DETAILED DESCRIPTION
[0013] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with embodiments.
[0014] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.
[0015] In the present application, unless otherwise specified, the directions used such as "up, down" are generally with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravitational direction; similarly, for the convenience of understanding and description, "left, right" are generally with respect to the left and right shown in the drawings; "inner, outer" refer to the inner and outer with respect to the contour of each component itself, but the above directional words are not used to limit the present application.
[0016] Please refer to Figure 1 A novel fixed bed coal gas producer non-stop ash discharging device, comprising an ash discharging round door 1, an ash discharging oil cylinder 2, an ash bucket 3, a transition nipple 4, a valve core 5, a valve rod 6, an upper valve 7 and an upper valve oil cylinder 10, the ash discharging round door 1 is connected with the ash bucket 3 through the ash discharging oil cylinder 2, the lower end of the transition nipple 4 is connected with the ash bucket 3 and the ash discharging round door 1, the upper end of the upper valve 7 is connected with the upper valve oil cylinder 10, the lower end of the upper valve oil cylinder 10 is connected with the valve rod 6, the valve core 5 is connected with the valve rod 6, the upper valve oil cylinder and the ash discharging oil cylinder are controlled by a microcomputer, remote operation is realized, there is no personnel on site, and safety accidents are prevented.
[0017] In further embodiments of the application, two sets of sealing assemblies 8 are provided outside the valve stem 6; the upper valve oil cylinder 10 is provided with an oil cylinder support 9 at the lower end, and the upper valve oil cylinder 10 is connected with the upper valve 7 through the oil cylinder support 9; the upper valve oil cylinder is provided with a compression allowance, which can compensate the wear amount in time when the valve core and the transition nipple sealing surface are worn, so as to ensure the sealing without air leakage; the ash bucket 3 is provided with a hard sealing surface at the lower end; the transition nipple is connected with the ash bucket, and the ash bucket is provided with a hard sealing surface at the lower end and connected with the ash discharging round door; the ash discharging round door is provided with a replaceable soft sealing pad at the upper end, so that the sealing without leakage can be realized; the ash discharging round door is connected with the ash bucket through the ash discharging oil cylinder, and the ash discharging round door can be opened and closed by 90 degrees through the ash discharging oil cylinder, and the upper valve is alternately actuated, so that the ash bucket can realize the ash discharging without leakage and stopping.
[0018] Working principle:
[0019] In normal production, the upper valve 7 is in the open state, and the ash discharging round door 1 is in the closed state; the ash slag falls into the ash bucket 3 through the transition nipple 4; when the ash bucket 3 is full of ash slag, the upper valve 7 is driven to be closed through the upper valve oil cylinder 10, and is in contact with the sealing surface of the transition nipple 4, so that the sealing without air leakage is realized; the ash discharging round door 1 is driven to be opened through the ash discharging oil cylinder 2, and the ash slag is discharged, and then the ash discharging round door 1 is closed and the upper valve 7 is opened; the process is controlled by the microcomputer remotely, so that the ash discharging without leakage and stopping is realized.
[0020] The utility model is suitable for various specifications and models of furnace with diameter 1500~10000mm and pressure 0~0.1Mpa.
[0021] In all the above-mentioned solutions, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut cooperation connection, bolt or screw connection or other known connection methods, which will not be described one by one, and in the above-mentioned, the preferred consideration is welding when it involves fixed connection, although the embodiments of the utility model have been shown and described, for ordinary skilled in the art, it can be understood that the embodiments can be changed, modified, replaced and modified in various ways without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A novel fixed bed coal gas producer non-stop ash discharging device, characterized in that, The utility model relates to a dust discharging valve, which comprises a lower dust discharging valve (1), a lower dust discharging oil cylinder (2), a dust hopper (3), a transition short section (4), a valve core (5), a valve rod (6), an upper valve (7) and an upper valve oil cylinder (10), the lower dust discharging valve (1) is connected with the dust hopper (3) through the lower dust discharging oil cylinder (2), the lower end of the transition short section (4) is connected with the dust hopper (3) and the lower dust discharging valve (1), the upper end of the upper valve (7) is connected with the upper valve oil cylinder (10), the lower end of the upper valve oil cylinder (10) is connected with the valve rod (6), and the valve core (5) is connected with the valve rod (6).
2. A novel fixed bed coal gas producer non-stop ash discharging device according to claim 1, characterized in that: Two groups of sealing assemblies (8) are arranged on the outer side of the valve rod (6).
3. A novel fixed bed coal gas producer non-stop ash discharging device according to claim 2, characterized in that: The lower end of the upper valve oil cylinder (10) is provided with an oil cylinder support (9), and the upper valve oil cylinder (10) is connected with the upper valve (7) through the oil cylinder support (9).
4. A novel fixed bed coal gas producer non-stop ash discharging device according to claim 1, characterized in that: The lower end of the dust hopper (3) is provided with a hard sealing surface.
5. A novel fixed bed coal gas producer non-stop ash discharging device according to claim 1, characterized in that: The upper end of the lower dust discharging valve (1) is provided with a replaceable soft sealing gasket.