Slag feeding device on roller slag cooler
By designing a slag inlet device including a limit sleeve, a sealing plate and a collection box on the drum slag cooling machine, the problem of slag inlet pipe shaking and large slag leakage is solved, and the effect of effective fine slag leakage prevention and rapid equipment inspection is achieved.
Patent Information
- Application Number
- CN202420648761.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-29
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-03-29
AI Technical Summary
During the heat exchange process of the roller slag cooling machine, due to the fixation of the slag inlet pipe, there is a gap between the seal head and the seal ring, which is severely worn, and the slag inlet pipe shakes, resulting in large slag leakage.
A slag inlet device on a roller slag cooling machine is designed, including a slag cooling machine housing, a limit sleeve, a sealing plate and a collection box. The limit sleeve is rotated relative to the sealing plate through the structure of annular grooves and annular projection, fixing the slag inlet pipe to prevent shaking, and observing the slag leakage through the collection box.
It effectively prevents fine slag leakage, prevents slag inlet pipes from shaking, reduces the amount of slag leakage, and facilitates rapid inspection and maintenance of equipment.
Smart Images
Figure CN222616893U_ABST
Abstract
Description
Technical field:
[0001] The utility model relates to the technical field of roller slag coolers, in particular to a slag feeding device on a roller slag cooler. Background technology:
[0002] The drum slag cooler is a device used to cool the hot slag of a circulating fluidized bed boiler. It is mainly composed of a louvered heat transfer drum, a slag feeding device, a slag discharging device, a rotating mechanism, a cooling water system and an electronic control device. Among them, the slag feeding device is composed of a slag feeding pipe, a sealing head and a sealing ring.
[0003] The current problem is: since the drum of the slag cooler needs to roll during the heat exchange process to improve its heat exchange capacity, and the slag inlet pipe is fixed, there is a gap between the head and the sealing ring on the slag inlet device. During operation, there is severe wear for a long time, causing the slag inlet pipe to shake and a large amount of slag leakage. Utility model content:
[0004] The utility model aims to provide a slag feeding device on a drum slag cooler to solve the problems raised in the above background technology.
[0005] The utility model is implemented by the following technical solutions:
[0006] A slag feeding device on a drum slag cooler comprises a slag cooler shell, a limiting sleeve is fixed to the feed port end of the slag cooler shell, two sealing plates are sleeved on the circumferential surface of the limiting sleeve, and the two sealing plates are fixed to the vertical surface of a collecting box by bolts, a slag feeding pipe is fixedly arranged inside the collecting box, one end of the slag feeding pipe is passed through the slag cooler shell, and the other end of the slag feeding pipe is passed through the upper surface of the collecting box, a slag discharge pipe is arranged at the bottom of the collecting box, and a sealing cover is installed on the slag discharge pipe.
[0007] Preferably, two annular grooves are evenly formed on the circumferential surface of the limiting sleeve.
[0008] Preferably, the sealing plate is made of angle steel through rolling and deformation, and has an overall "semicircular structure". Two annular protrusions are evenly fixed on the inner circumferential surface of the sealing plate in the horizontal direction. The two sealing plates are symmetrically buckled to form a sleeve of a circular mechanism, so that the annular protrusions are movably placed in the annular groove; a plurality of first through holes are provided on the outer vertical surface of the sealing plate in the vertical direction.
[0009] Preferably, a vertical surface on one side of the collecting box is provided with second through holes corresponding to all the first through holes of the two sealing plates, and bolts are passed through the first through holes and the corresponding second through holes, and the collecting box and the two sealing plates are fixed together by nuts.
[0010] The advantages of the utility model are as follows: the annular groove and the annular protrusion are utilized to allow the limiting sleeve to rotate relative to the two sealing plates, which can effectively prevent the leakage of fine slag; a slag inlet pipe is fixedly arranged on the collecting box, which can effectively prevent the slag inlet pipe from shaking; at the same time, if slag falls out of the collecting box, it can be observed that there is slag leakage in the slag inlet device, which is convenient for quick inspection and maintenance of the equipment. Description of the drawings:
[0011] Figure 1 This is a schematic diagram of the existing structure;
[0012] Figure 2 This is a cross-sectional view of the main structure of the utility model;
[0013] Figure 3 for Figure 2 The enlarged view of point A in the middle;
[0014] Figure 4 It is a partial structural schematic diagram of the utility model.
[0015] In the figure: 1. slag cooler housing, 2. limiting sleeve, 2.1. annular groove, 3. sealing plate, 3.1. annular protrusion, 3.2. first through hole, 4. collecting box, 4.1. second through hole, 4.2. slag discharge pipe, 5. slag inlet pipe. Specific implementation method:
[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0017] See also Figure 1-4 The utility model provides a technical solution for a slag feeding device on a drum slag cooler:
[0018] A slag feeding device on a drum slag cooler comprises a slag cooler shell 1, a limiting sleeve 2 is fixed to the feed port end of the slag cooler shell 1, two sealing plates 3 are sleeved on the circumferential surface of the limiting sleeve 2, and the two sealing plates 3 are fixed to the vertical surface of a collecting box 4 by bolts. A slag feeding pipe 5 is fixedly arranged inside the collecting box 4 to effectively prevent the slag feeding pipe 5 from shaking. One end of the slag feeding pipe 5 is inserted into the slag cooler shell 1, and the other end of the slag feeding pipe 5 is inserted out of the upper surface of the collecting box 4.
[0019] Two annular grooves 2.1 are evenly arranged on the circumferential surface of the limiting sleeve 2.
[0020] The sealing plate 3 is made of angle steel through rolling and bending, and has a "semicircular structure" as a whole. Two annular protrusions 3.1 are evenly fixed on the inner circumferential surface of the sealing plate 3 along the horizontal direction. The two sealing plates 3 are symmetrically buckled to form a sleeve of a circular mechanism, so that the annular protrusion 3.1 is movably placed in the annular groove 2.1, so that the limiting sleeve 2 can rotate relative to the two sealing plates 3, which can effectively prevent the leakage of fine slag; a plurality of first through holes 3.2 are opened on the outer vertical surface of the sealing plate 3 along the vertical direction.
[0021] A second through hole 4.1 corresponding to all the first through holes 3.2 of the two sealing plates 3 is provided on the vertical surface of one side of the collecting box 4. Bolts are inserted into the first through holes 3.2 and the corresponding second through holes 4.1. The collecting box 4 and the two sealing plates 3 are fixed together by nuts. The collecting box 4 is used to collect fine slag that may fall. A slag discharge pipe 4.2 is provided at the bottom of the collecting box 4. A sealing cover is installed on the slag discharge pipe 4.2. By opening the sealing cover, it can be observed that if slag falls from the collecting box 4, it means that there is slag leakage in the slag feeding device, which is convenient for quick inspection and maintenance of the equipment.
[0022] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A slag feeding device on a drum slag cooler, comprising a slag cooler housing (1), characterized in that: A limiting sleeve (2) is fixed at the feed port end of the slag cooler housing (1), and two sealing plates (3) are sleeved on the circumferential surface of the limiting sleeve (2). The two sealing plates (3) are fixed to the vertical surface of the collecting box (4) by bolts. A slag inlet pipe (5) is fixedly arranged inside the collecting box (4), and one end of the slag inlet pipe (5) is inserted into the slag cooler housing (1), and the other end of the slag inlet pipe (5) is inserted out of the upper surface of the collecting box (4). A slag discharge pipe (4.2) is arranged at the bottom of the collecting box (4), and a sealing cover is installed on the slag discharge pipe (4.2).
2. The slag feeding device on the drum slag cooler according to claim 1 is characterized in that: The circumferential surface of the limiting sleeve (2) is evenly provided with two annular grooves (2.1).
3. The slag feeding device on the drum slag cooler according to claim 2 is characterized in that: The sealing plate (3) is made of angle steel by rolling and bending, and has a "semicircular structure" as a whole. Two annular protrusions (3.1) are evenly fixed on the inner circumferential surface of the sealing plate (3) in the horizontal direction. The two sealing plates (3) are symmetrically buckled to form a sleeve of a circular mechanism, so that the annular protrusions (3.1) are movably placed in the annular groove (2.1); and a plurality of first through holes (3.2) are opened on the outer vertical surface of the sealing plate (3) in the vertical direction.
4. The slag feeding device on the drum slag cooler according to claim 3 is characterized in that: A second through hole (4.1) corresponding to all the first through holes (3.2) of the two sealing plates (3) is provided on a vertical surface on one side of the collection box (4); bolts are inserted into the first through holes (3.2) and the corresponding second through holes (4.1); and nuts are used to fix the collection box (4) and the two sealing plates (3) together.