Novel drift-flow-preventing and dust-preventing rolling furnace bottom assembly device of fixed bed gas producer
By designing four symmetrical ash discharge ports, anti-deviation plates, and a multi-layer sealing structure in the fixed-bed gasifier, the problems of poor ash discharge and wear caused by dust ingress were solved, thereby improving the operational stability and component life of the gasifier.
Patent Information
- Application Number
- CN202422926106.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-11-29
AI Technical Summary
The existing fixed-bed gasifier has high resistance at the ash discharge port, poor slag discharge, and easy slag formation. The gasifying agent flow deviation leads to unstable operation of the gasifier, and dust entering the guide ring affects component wear.
A novel fixed-bed gasifier anti-deviation and anti-dust rolling furnace bottom assembly is designed, which adopts four symmetrical ash discharge ports, anti-deviation plates, outer static sealing rings, inner ash seals and inner dynamic sealing rings, and adds packing seals and oil injection pins to form a sliding soft seal and improve the sealing structure.
This ensures smooth slag discharge, avoids slag buildup and gasifying agent deviation, extends the service life of the upper and lower guide rings and the large gear, and improves the operational stability and production efficiency of the gasifier.
Smart Images
Figure CN223592667U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of furnace bottom assembly technology, more particularly, it relates to a novel fixed bed coal gas producer anti-deviation flow and dust rolling furnace bottom assembly device. BACKGROUND
[0002] At present, the furnace bottom assembly of the fixed bed coal gas producer is composed of a furnace bottom, an ash tray, a large gear, upper and lower guide rings, steel balls and an ash outlet, the ash outlet in the prior art has great resistance, and the slag is not smoothly discharged, which easily causes slagging, and the serious problem will affect production, in addition, the traditional ash outlet has a large repose angle and causes carbon flow, gasification agent deviation and unstable operation of the gasification furnace. SUMMARY
[0003] In view of the problems in the prior art, the utility model provides a novel fixed bed coal gas producer anti-deviation flow and dust rolling furnace bottom assembly device to solve the technical problems in the background art.
[0004] To achieve the above object, the utility model provides the following technical scheme: a novel fixed bed coal gas producer anti-deviation flow and dust rolling furnace bottom assembly device, which comprises a furnace bottom, an ash outlet, an anti-deviation flow plate, an outer static seal ring, an ash tray, double-seal rolling guide rings, a first inner dynamic seal ring, an inner ash seal, a large gear, an oil injection pin and a second inner dynamic seal ring are arranged on the furnace bottom, the anti-deviation flow plate is connected with the ash outlet, the outer static seal ring is arranged between the furnace bottom and the ash tray, the ash tray is connected with the double-seal rolling guide rings, the inner ash seal and the large gear, the second inner dynamic seal ring is arranged on the furnace bottom, and the oil injection pin is communicated with the lower guide ring of the double-seal rolling guide rings.
[0005] The utility model further sets up that the ash outlet is provided with four, and is respectively mutually symmetrical and arranged on the furnace bottom.
[0006] The utility model further sets up that the anti-deviation flow plate is provided with four, and is respectively matched with four ash outlets.
[0007] The utility model further sets up that the inner ash seal outer ring increases the inner dynamic seal ring.
[0008] The utility model further sets up that the inner dynamic seal ring still increases the packing seal.
[0009] The utility model further sets up that the inner ash seal and the furnace bottom form reliable sliding soft seal.
[0010] The utility model further sets up that the rolling guide ring comprises an upper guide ring and a lower guide ring, four rows of packing are additionally arranged on the inner side of the rolling cavity of the upper guide ring, and four sets of oil injection pins are additionally arranged on the lower guide ring.
[0011] Compared with the prior art, the novel fixed-bed coal gas producer anti-deviation flow and dust rolling furnace bottom assembly device has the following beneficial effects:
[0012] 1、The furnace bottom assembly device adopts four ash discharge ports, so that the slag discharge resistance is small, the slag is smoothly discharged, the slagging phenomenon caused by poor slag discharge of the gasification furnace is avoided, and the production is affected by the shutdown and slag removal; The furnace bottom assembly device increases the outer static sealing ring, which can effectively prevent the ash slag dust in the outer ash channel from entering the middle ash channel, affecting the uniform meshing of the meshing surface of the large gear, causing the large gear to wear quickly and have a short service life.
[0013] 2、The furnace bottom assembly device is provided with an inner ash seal and an inner dynamic sealing ring, which can effectively prevent the center pipe dust from entering the inner ash channel and then entering the upper and lower guide rings, affecting the rolling of the steel balls in the upper and lower guide rings and wearing the upper and lower guide rings; The double-sealed rolling upper and lower guide ring rolling cavity of the furnace bottom assembly device is provided with four packing seals inside and outside, which can prevent the dust in the inner and outer ash channels from entering the steel ball rolling cavity of the upper and lower guide rings, and avoid the shutdown for maintenance due to large dust resistance and wear of the upper and lower guide rings.
[0014] 3、The double-sealed rolling upper and lower guide ring rolling cavity of the furnace bottom assembly device is uniformly provided with glycerol oil injection pins, which can fully lubricate the steel balls in the rolling cavity of the upper and lower guide rings, reduce friction and resistance, and greatly increase the service life of the upper and lower guide rings; The furnace bottom assembly device is provided with a deviation prevention plate at the four ash discharge ports, which can effectively prevent carbon flow, gasification agent deviation and unstable operation of the gasification furnace caused by the large angle of repose of the traditional ash discharge port. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a structural schematic view of the utility model
[0016] Figure 2 is Figure 1 a partial enlarged view
[0017] Figure 3 is Figure 1 a top view
[0018] Figure 4 is a traditional furnace bottom assembly.
[0019] In the drawing: 1, ash discharge port; 2, deviation prevention plate; 3, outer static sealing ring; 4, ash tray; 5, double-sealed rolling guide ring; 6, first inner dynamic sealing ring; 7, inner ash seal; 8, furnace bottom; 9, large gear; 10, oil injection pin; 11, second inner dynamic sealing ring. DETAILED DESCRIPTION
[0020] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.
[0021] It should be noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
[0022] In the utility model, in the case that no opposite statement is made, the orientation such as "upper, lower" is usually for the direction shown in the drawing, or for the vertical, perpendicular or gravity direction; similarly, for the convenience of understanding and description, "left, right" is usually for the left and right shown in the drawing; "inner, outer" refers to the inner and outer relative to the contour of each component itself, but the above orientation words are not used to limit the utility model.
[0023] Please refer to Figures 1-3 A novel fixed bed coal gas producer anti-deviation flow and dust rolling furnace bottom assembly device, including furnace bottom 8, the furnace bottom is provided with ash outlet 1, anti-deviation flow board 2, outer static seal ring 3, ash tray 4, double seal rolling guide ring 5, first inner dynamic seal ring 6, inner ash seal 7, big gear 9, oil injection pin 10 and second inner dynamic seal ring 11, anti-deviation flow board 2 is connected with ash outlet 1, outer static seal ring 3 is arranged between furnace bottom 8 and ash tray 4, ash tray 4 is connected with double seal rolling guide ring 5, inner ash seal 7 and big gear 9, second inner dynamic seal ring 11 is arranged on furnace bottom 8, oil injection pin 10 is communicated with the lower guide ring of double seal rolling guide ring 5.
[0024] In further embodiments, the ash outlet 1 is provided with four, and is respectively symmetrically arranged on the furnace bottom 8;The anti-deviation flow board 2 is provided with four, and is respectively arranged with four ash outlet 1;The outer ring of the inner ash seal 7 is increased with the first inner dynamic seal ring 6;The first inner dynamic seal ring 6 is additionally provided with packing seal;The inner ash seal 7 and the furnace bottom 8 form reliable sliding soft seal;The double seal rolling guide ring 5 includes upper guide ring and lower guide ring, the upper guide ring is additionally provided with four packing in the inner side of rolling cavity, and four sets of oil injection pins 10 are additionally provided on the lower guide ring.
[0025] The ash outlet 1 is changed from two to four, the ash discharge resistance is small, and the ash discharge is smooth;The anti-deviation flow board 2 is increased in the ash outlet 1, which prevents the flow carbon from causing the deviation of gasification agent, and the gasification furnace condition is unstable;The outer static seal ring 3 is increased in the furnace bottom 8, which effectively prevents the dust in the outer ash channel from entering the middle ash channel;The upper and lower double seal rolling guide ring 5 is increased with four packing seals and oil injection pins 10, which prevents the dust from entering the rolling cavity, increases lubrication and reduces friction resistance, and prolongs the service life;The inner seal and the first inner dynamic seal ring 6 are set, which prevents the dust from entering the inner ash channel and improves the operation cycle of the gasification furnace.
[0026] In the utility model, the large gear 9, the upper guide ring of the rolling guide ring 5 and the inner ash seal 7 are fixed on the ash pan 3; two ash discharge ports are added on the furnace bottom 8, so that the original two ash discharge ports become four ash discharge ports 1 connected with the furnace bottom 8, the lower guide ring of the rolling guide ring 5 is fixed on the furnace bottom 8; the utility model increases the original two ash discharge ports to four ash discharge ports 1, which are evenly distributed on the outer circumference of the furnace bottom 8; four anti-deviation flow plates 2 are additionally arranged on the four ash discharge ports 1 and connected with the ash discharge ports of the furnace bottom 8; the outer static sealing ring 3 is additionally arranged between the outer ash channel and the middle ash channel of the furnace bottom 8, and the furnace bottom 8 and the ash pan 3 form a mechanical hard sealing; four sets of packing seals are additionally arranged on the inner and outer sides of the rolling cavity of the upper guide ring of the rolling guide ring 5 to prevent dust from entering the rolling cavity of the guide ring, and four sets of oil injection pins 10 are additionally arranged on the lower guide ring to regularly inject lubricating oil into the rolling cavity of the guide ring; the inner dynamic sealing ring 6 is additionally arranged on the outer ring of the inner ash seal 7 and connected with the inner ash seal 7, and the inner dynamic sealing ring 6 is additionally provided with a packing seal, so that a reliable sliding soft seal is formed between the inner ash seal 7 and the furnace bottom 8; the utility model is suitable for various specifications and models of furnaces with a diameter of 3000-10000 mm and a pressure of 0-0.1 Mpa
[0027] In all the schemes mentioned above, 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 mode, which will not be described one by one, and the bolt and nut cooperation connection is preferred for the fixed connection mentioned above, although the embodiments of the utility model have been shown and described, those skilled in the art can understand 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 new type of fixed bed coal gas producer anti-deviation flow and dust rolling bottom assembly device, comprising a bottom, characterized in that: The furnace bottom is provided with an ash outlet, a flow deviation prevention plate, an outer static seal ring, an ash tray, a double-seal rolling guide ring, a first inner dynamic seal ring, an inner ash seal, a large gear, an oil injection pin and a second inner dynamic seal ring. 2. A new type of fixed bed coal gas producer anti-deviation flow and dust rolling bottom assembly device according to claim 1, characterized in that: The four ash outlets are symmetrically arranged on the furnace bottom.
3. The new type of fixed bed coal gas producer anti-deviation flow and dust rolling bottom assembly device according to claim 1, characterized in that: The four flow deviation prevention plates are arranged in cooperation with the four ash outlets.
4. The new type of fixed bed coal gas producer anti-deviation flow and dust rolling bottom assembly device according to claim 1, characterized in that: The inner ash seal outer ring is provided with an inner dynamic seal ring.
5. The new type of fixed bed coal gas producer anti-deviation flow and dust rolling bottom assembly device according to claim 4, characterized in that: The inner dynamic seal ring is additionally provided with a packing seal.
6. The new type of fixed bed coal gas producer anti-deviation flow and dust rolling furnace bottom assembly device according to claim 5, characterized in that: The inner ash seal and the furnace bottom form a reliable sliding soft seal.
7. The new type of fixed bed coal gas producer anti-deviation flow and dust rolling grate bottom assembly device according to claim 1, characterized in that: The rolling guide ring comprises an upper guide ring and a lower guide ring, and the upper guide ring is additionally provided with four packing seals inside the rolling cavity, and the lower guide ring is additionally provided with four sets of oil injection pins.