CN216977553U

CN216977553U - Grate cooler

Info

Publication number: CN216977553U
Application number: CN202220698687.0U
Authority: CN
Inventors: 张世磊
Original assignee: Zhengzhou Yanyao Lining Technology Co ltd
Current assignee: Zhengzhou Yanyao Lining Technology Co ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-07-15
Anticipated expiration: 2032-03-28

Abstract

The utility model relates to a grate cooler which comprises a feeding end, wherein two side walls of the feeding end are provided with short walls, the short walls are arranged to be clung to the side walls and comprise prefabricated parts and fixing parts, the prefabricated parts are fixedly connected with the side walls through the fixing parts, building convex strips penetrate through the upper surfaces of the prefabricated parts along the length direction of the prefabricated parts, building grooves used for being matched with the convex strips penetrate through the lower surfaces of the prefabricated parts along the length direction of the prefabricated parts, and fixing grooves used for installing the fixing parts are formed in the upper surfaces of the prefabricated parts along the width direction of the prefabricated parts. The grate cooler has the advantages that the low wall does not need to be poured and built, the construction and the maintenance are convenient, the grate cooler is safe and reliable, the construction period is greatly shortened, the existing refractory steel bar is cancelled, the cost is obviously reduced, and the grate cooler is favorable for large-scale popularization.

Description

Grate cooler

Technical Field

The utility model relates to the technical field of cement production equipment, in particular to a grate cooler.

Background

The grate cooler is an important main machine device in a clinker firing system and a lithium salt clinker firing system of a cement plant, has the main functions of cooling and conveying cement clinker and lithium salt clinker, provides hot air for a rotary kiln, a decomposing furnace and the like, and is a main device for heat recovery of the firing system.

The low wall of the grate cooler is arranged at an inlet of the grate cooler, the low wall plays a role in guiding clinker and protecting the grate cooler, the low wall is mainly formed by pouring a pouring material at present, during actual construction, a circular table hole is formed in a refractory lining, a refractory steel bar is adopted, the head end of the steel bar is inserted into the circular table hole, the refractory lining is connected with a grate cooler shell through the steel bar by adopting a surfacing process, and then a light heat-insulating pouring material is poured between the refractory lining and the grate cooler shell. The short wall manufactured by the method has the advantages that the temperature change of the short wall is large, the short wall is under the flushing of clinker particles for a long time, the service life is short, the service life is generally 10-12 months, and the construction period is long, so the use cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a grate cooler, which solves the problems of troublesome installation and high cost of the conventional grate cooler low wall.

In order to realize the purpose, the utility model adopts the following technical scheme:

a grate cooler comprises a feeding end, wherein two side walls of the feeding end are provided with short walls, the short walls are arranged to be clung to the side walls and comprise prefabricated parts and fixing parts, and the prefabricated parts are fixedly connected with the side walls through the fixing parts; the upper surface of the prefabricated member is provided with masonry raised lines in a penetrating manner along the length direction of the prefabricated member, and the lower surface of the prefabricated member is provided with masonry grooves in a penetrating manner along the length direction of the prefabricated member for matching with the raised lines; the upper surface of the prefabricated member is provided with a fixing groove for mounting the fixing piece along the width direction of the prefabricated member.

Furthermore, the upper surface of prefabricated part is equipped with the mounting hole along upper and lower direction, the mounting hole is established in the fixed recess.

Further, the fixing groove penetrates through the width direction of the prefabricated member.

Furthermore, the fixing piece comprises a steel bar, the steel bar is L-shaped, one end of the steel bar is used for being inserted into the mounting hole, and the other end of the steel bar is used for being fixed on the side wall.

Furthermore, the cross sections of the masonry raised lines and the masonry grooves are semicircular, and the radius of the cross sections of the masonry raised lines is smaller than that of the cross sections of the masonry grooves.

Further, the depth of the fixing groove is larger than the diameter of the reinforcing steel bar.

Further, the prefabricated member is cuboid, the length is 300mm, the width is 230mm-250mm, and the height is 150 mm.

The utility model has the beneficial effects that:

according to the grate cooler, during actual installation, the first layer of prefabricated parts are laid firstly, after the laying is finished, the fixing parts are arranged in the fixing grooves, so that the prefabricated parts are fixed with the side walls, the building raised lines of the prefabricated parts on the lower layer are matched with the building grooves of the prefabricated parts on the upper layer in a clamping mode, the prefabricated parts can be built firmly, stirring and pouring on site are not needed, only splicing and combining are needed, the installation is simplified, the limitation of site environment or seasonal conditions is avoided, the construction is very convenient, the construction period can be greatly shortened, and the working efficiency of a kiln is improved.

Furthermore, the installation holes in the vertical direction are formed in the fixing grooves, and the fixing grooves are matched with the L-shaped steel bars, so that the installation is firmer and more convenient.

Drawings

FIG. 1 is a schematic structural view (perspective view) of the grate cooler of the present invention;

FIG. 2 is a schematic structural diagram (explosion diagram) of the grate cooler of the utility model;

FIG. 3 is a schematic structural diagram of a prefabricated part in the grate cooler of the utility model;

figure 4 is a structural schematic of a fixing piece in the grate cooler of the utility model.

Names corresponding to the marks in the figure:

1. the prefabricated member comprises a feeding end, 2, a side wall, 3, a low wall, 31, a prefabricated member, 311, a masonry convex strip, 312, a masonry groove, 313, a fixing groove, 314, a mounting hole, 32 and a fixing member.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.

Example 1 of the utility model:

the grate cooler in the embodiment replaces the short wall in the existing pouring mode by the short wall made of the prefabricated parts and the fixing parts, so that the service life of the short wall is obviously prolonged, and the production cost is reduced.

Specifically, as shown in fig. 1 and 2, the grate cooler comprises a feed end 1, two side walls 2 of the feed end 1 are provided with a short wall 3, the short wall 3 is tightly attached to the side walls 2, the side walls 2 are steel plates, the short wall 3 comprises a prefabricated part 31 and a fixing part 32, the prefabricated part 31 is fixedly connected with the side walls 2 through the fixing part 32, in the embodiment, the prefabricated part 31 is multiple, a plurality of prefabricated parts 31 are built into a whole, the upper surface of each prefabricated part 31 is provided with a masonry raised line 311 in a penetrating mode along the length direction of the prefabricated part, the lower surface of each prefabricated part 31 is provided with a masonry groove 312 in a penetrating mode along the length direction of the prefabricated part, during actual installation, the masonry raised line 311 is connected with the masonry groove 312 in a matching mode, and the prefabricated parts 31 built up and down are stable.

As shown in fig. 3, a fixing groove 313 is formed on the upper surface of the preform 31 in the width direction thereof for installing the fixing member 32, and the fixing member 32 is disposed in the fixing groove 313, has one end disposed in the preform 31, and has one end welded to the sidewall 2, so that the preform 31 is firmly fixed to the sidewall 2.

In this embodiment, the prefabricated member 31 is a mullite high-strength wear-resistant prefabricated brick, and the prefabricated member 31 is prepared by casting a castable in advance into a certain specification size and shape, and then performing maintenance, baking and heat treatment in a production workshop.

In this embodiment, the upper surface of the preform 31 is provided with a vertical mounting hole 314 for the fixing member 32 to be inserted, and the mounting hole 314 is provided in the fixing groove 313.

As shown in fig. 4, the fixing member 32 includes a steel bar having an L-shape, one end of which is inserted into the mounting hole 314 and the other end of which is fixed to the side wall 2 by welding.

In order to ensure that prefab 31 need not the branch direction when building by laying bricks or stones, improve and build by laying bricks or stones efficiency, in this embodiment, the fixed slot runs through the setting along prefab 31 width direction for the reinforcing bar can both be gone into in the fixed slot in width direction's both sides card, and simultaneously, the degree of depth of fixed slot is greater than the diameter of reinforcing bar, makes to build by laying bricks or stones the completion back, does not have great gap between two upper and lower prefabs 31, improves the result of use.

In this embodiment, the bottom of the fixing groove may be a plane or a concave surface, which may be according to different requirements.

Meanwhile, in order to further improve the masonry effect, in this embodiment, the cross sections of the masonry convex strips 311 and the masonry grooves 312 are both semicircular, and the radius of the cross section of the masonry convex strip 311 is smaller than that of the cross section of the masonry transverse groove, so that after masonry, all the masonry convex strips 311 of the prefabricated members 31 positioned below are clamped into the masonry grooves 312 of the prefabricated members 31 positioned above, and the connection is ensured to be firm.

In this embodiment, the prefabricated member 31 is rectangular, the length is 300mm, the width is 230mm, the height is 150mm, the radius of the cross section of the masonry convex strip 311 is 10mm, and the radius of the cross section of the masonry groove 312 is 12mm, so that the prefabricated member can meet the use requirements of the grate cooler.

The working principle is as follows:

during actual installation, the first layer of prefabricated parts 31 are laid firstly, after the laying is finished, one ends of the steel bars are inserted into the mounting holes 314 formed in the upper surfaces of the prefabricated parts 31, then the second layer of prefabricated parts 31 are built, the building convex strips 311 of the second layer of prefabricated parts 31 are matched with the building grooves 312 of the first layer of prefabricated parts 31 in a clamping mode, then the prefabricated parts 31 are built in sequence, and finally the other ends of the steel bars and the side wall 2 of the grate cooler are welded and fixed.

The grate cooler has the advantages that the low wall does not need to be poured and built, the construction and maintenance are convenient, the grate cooler is safe and reliable, the construction period is greatly shortened, the existing refractory steel bar is omitted, the cost is obviously reduced, the service life is longer, and the grate cooler is favorable for large-scale popularization.

In other embodiments, preform 31 is rectangular, 300mm long, 240mm wide, and 150mm high.

In other embodiments, preform 31 is rectangular, 300mm long, 250mm wide, and 150mm high.

Claims

1. The grate cooler is characterized in that: the device comprises a feeding end, wherein two side walls of the feeding end are provided with short walls, the short walls are arranged to be clung to the side walls and comprise prefabricated parts and fixing parts, and the prefabricated parts are fixedly connected with the side walls through the fixing parts; the upper surface of the prefabricated member is provided with masonry raised lines in a penetrating manner along the length direction of the prefabricated member, and the lower surface of the prefabricated member is provided with masonry grooves matched with the raised lines in a penetrating manner along the length direction of the prefabricated member; the upper surface of the prefabricated member is provided with a fixing groove used for installing the fixing piece along the width direction of the prefabricated member.

2. The grate cooler of claim 1, characterized in that: the upper surface of the prefabricated member is provided with mounting holes along the vertical direction, and the mounting holes are formed in the fixing grooves.

3. The grate cooler of claim 2, characterized in that: the fixing groove penetrates through the prefabricated part in the width direction.

4. The grate cooler of claim 2, characterized in that: the fixing piece comprises a steel bar, the steel bar is L-shaped, one end of the steel bar is used for being inserted into the mounting hole, and the other end of the steel bar is used for being fixed on the side wall.

5. The grate cooler of claim 1, characterized in that: the cross sections of the masonry raised lines and the masonry grooves are semicircular, and the radius of the cross sections of the masonry raised lines is smaller than that of the cross sections of the masonry grooves.

6. The grate cooler of claim 4, characterized in that: the depth of the fixing groove is larger than the diameter of the reinforcing steel bar.

7. The grate cooler according to any one of claims 1-6, characterized in that: the prefabricated member is cuboid, and has a length of 300mm, a width of 230mm-250mm, and a height of 150 mm.