CN219776384U

CN219776384U - Chute structure for cement kiln smoke chamber and cement kiln smoke chamber

Info

Publication number: CN219776384U
Application number: CN202320852026.3U
Authority: CN
Inventors: 孟令汉; 马淑龙; 安建成; 周伟; 苏玉柱; 马飞; 王亚利; 李燕京; 罗华明
Original assignee: Gongyi Tongda Zhongyuan Refractory Technology Co ltd; Yangquan Jinyu Tongda High Temperature Materials Co ltd; Beijing Jinyu Tongda Refractory Technology Co ltd
Current assignee: Gongyi Tongda Zhongyuan Refractory Technology Co ltd; Yangquan Jinyu Tongda High Temperature Materials Co ltd; Beijing Jinyu Tongda Refractory Technology Co ltd
Priority date: 2023-04-17
Filing date: 2023-04-17
Publication date: 2023-09-29
Anticipated expiration: 2033-04-17

Abstract

The utility model relates to the technical field of cement production equipment, and provides a chute structure for a cement kiln smoke chamber and the cement kiln smoke chamber, wherein the chute structure comprises a bearing main body and a prefabricated component; the bearing main body and the horizontal surface form an included angle, and the bottom of the bearing main body is provided with a bearing plate; the prefabricated components are abutted to the bearing plate and are arranged in a plurality of groups in an array mode along the extending direction of the bearing main body, the outer side faces of the plurality of groups of prefabricated components are attached to the bearing main body, and the inner side faces of the plurality of groups of prefabricated components form chute spaces; each set of preform assemblies includes oppositely disposed first and second preforms. According to the utility model, each prefabricated member is spliced through the occluding component after being molded and fired in a factory system, so that the manufacturing is simpler, and the installation and the disassembly are more convenient; secondly, the chute structure formed by prefabricated members formed and fired in a factory in a systematic way has longer overall service life, and each prefabricated member can be adjusted according to the needs to adapt to various installation requirements, so that the applicability is higher.

Description

Chute structure for cement kiln smoke chamber and cement kiln smoke chamber

Technical Field

The utility model relates to the technical field of cement production equipment, in particular to a chute structure for a cement kiln smoke chamber and the cement kiln smoke chamber.

Background

The cement kiln smoke chamber is equipment for connecting the rotary kiln and the decomposing furnace, plays an important role in the cement production process, hot smoke in the rotary kiln enters the decomposing furnace through the cement kiln smoke chamber, and high-temperature raw materials of the lowest-stage preheater are fed into the rotary kiln through the cement kiln smoke chamber.

In the running process, cement pre-decomposition materials enter the rotary kiln after being dispersed on the surface of the slope structure, and under the action of high Wen Chuyao smoke, the cement pre-decomposition materials can generate a large amount of dust in the smoke chamber of the cement kiln, so that the ventilation area is reduced, and the material flow is not dispersed smoothly, thereby influencing the cement production, and for this reason, a chute structure is arranged in the smoke chamber of the cement kiln.

However, in the related art, in the manufacturing process of the conventional chute structure, the construction efficiency is low by on-site formwork supporting and casting molding, and the chute structure is easy to burst due to temperature rise fluctuation, so that the overall service life of the chute structure is reduced.

Disclosure of Invention

The first aspect of the utility model provides a chute structure for a smoke chamber of a cement kiln, which is used for solving at least one technical defect, and is formed by splicing prefabricated members, so that the chute structure is simpler to manufacture, more convenient to mount and dismount, and secondly, the chute structure formed by prefabricated members formed and fired in a factory mode can avoid bursting due to fluctuation of temperature rise, and further the overall service life of the chute structure is prolonged; and the prefabricated member can be adjusted according to the needs to adapt to various installation requirements, so that the applicability is strong.

A second aspect of the utility model provides a cement kiln smoking chamber.

The chute structure for a smoke chamber of a cement kiln provided by the first aspect of the utility model comprises:

the bearing main body is arranged at an included angle with the horizontal plane, and a bearing plate is arranged at the bottom of the bearing main body;

the prefabricated components are abutted to the bearing plates, a plurality of groups of the prefabricated components are arranged in an array along the extending direction of the bearing main body, the outer side faces of the plurality of groups of the prefabricated components are attached to the bearing main body, and the inner side faces of the plurality of groups of the prefabricated components form chute spaces; each group of prefabricated components comprises a first prefabricated part and a second prefabricated part, the first prefabricated part and the second prefabricated part are oppositely arranged, and the first prefabricated part and the second prefabricated part are spliced through an engaging part.

According to the chute structure for the cement kiln smoke chamber, the occluding component comprises the first occluding part and the second occluding part which are matched, the first occluding part is arranged at one end of the first prefabricated part, and the second occluding part is arranged at one end of the second prefabricated part.

According to the chute structure for the cement kiln smoke chamber, the first engagement part comprises a first engagement surface, a first upper limit surface and a first lower limit surface which are connected; the first upper limiting surface and the first lower limiting surface are arranged in parallel, and the first occlusal surface and the first upper limiting surface or the first lower limiting surface are arranged at an included angle of 30-60 degrees.

The second occluding portion is matched with the first occluding portion in structure, and the second occluding portion is respectively abutted to the first occluding surface, the first upper limiting surface and the first lower limiting surface.

According to the chute structure for the cement kiln smoke chamber, provided by the utility model, one end of the first prefabricated member, which is away from the first occluding part, is provided with the third occluding part, one end of the second prefabricated member, which is away from the second occluding part, is provided with the fourth occluding part, and the third occluding part is spliced with the fourth occluding part.

According to the chute structure for the cement kiln smoke chamber provided by the utility model, the third engaging part is spliced with an adjacent prefabricated component, and/or

The fourth engaging part is spliced with another adjacent prefabricated component.

According to the chute structure for the cement kiln smoke chamber, the first prefabricated part and the second prefabricated part comprise a first prefabricated part, a second prefabricated part and a third prefabricated part;

the first prefabricated part and the third prefabricated part are arranged in parallel, the second prefabricated part is connected between the first prefabricated part and the second prefabricated part, and an included angle of 30-45 degrees is formed between the second prefabricated part and the first prefabricated part or the third prefabricated part.

According to the chute structure for the cement kiln smoke chamber, the width of the first prefabricated part is 150-500 mm;

the distance between the upper surface of the first prefabricated part and the upper surface of the third prefabricated part is 100mm-300mm;

the distance between the lower surface of the first prefabricated part and the upper surface of the third prefabricated part is 150mm-250mm.

According to the chute structure for the cement kiln smoke chamber, the bearing main body is provided with the first bearing surface, the second bearing surface and the third bearing surface which are connected, the first bearing surface and the third bearing surface are arranged in parallel, and the second bearing surface is obliquely positioned between the first bearing surface and the third bearing surface;

the bearing plate is respectively arranged on the first bearing surface, the second bearing surface and the third bearing surface.

According to the chute structure for the cement kiln smoke chamber, a heat preservation and insulation layer is arranged between the bearing main body and the prefabricated component;

the heat preservation and insulation layer comprises at least one of a calcium silicate board and a nanometer heat insulation board;

when the heat preservation and insulation layer comprises a calcium silicate plate and a nanometer heat insulation plate, the calcium silicate plate is abutted with the prefabricated component, and the nanometer heat insulation plate is abutted with the bearing main body.

The utility model provides a cement kiln smoke chamber, which comprises a smoke chamber body and the chute structure for the cement kiln smoke chamber;

the chute structure for the cement kiln smoke chamber is arranged on the smoke chamber body.

According to the chute structure for the cement kiln smoke chamber, each group of prefabricated components is divided into the first prefabricated component and the second prefabricated component, the first prefabricated component and the second prefabricated component are arranged oppositely, and the first prefabricated component and the second prefabricated component are spliced through the engaging component. When the prefabricated component is manufactured, the first prefabricated component and the second prefabricated component are produced on a large scale, and then the first prefabricated component and the second prefabricated component are spliced through the occluding component to form the prefabricated component, so that the prefabricated component can be saved from being cast in situ and baked, the manufacture is simpler, and the installation and the disassembly are more convenient; secondly, the chute structure formed by the first prefabricated member and the second prefabricated member which are formed and fired in a factory mode can avoid bursting caused by temperature rise fluctuation, and the whole service life is long; furthermore, the first prefabricated member and the second prefabricated member can be adjusted according to the requirements to adapt to various installation requirements, so that the applicability is high.

The cement kiln smoke chamber provided by the utility model has all the advantages of the chute structure for the cement kiln smoke chamber because the chute structure for the cement kiln smoke chamber is included.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the embodiments or the drawings needed in the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a chute structure for a smoke chamber of a cement kiln;

FIG. 2 is a second schematic view of a chute structure for a smoke chamber of a cement kiln provided by the utility model;

FIG. 3 is a schematic structural view of a first preform of a chute structure for a smoke chamber of a cement kiln provided by the utility model;

FIG. 4 is a schematic structural view of a second preform of the chute structure for a cement kiln flue gas chamber provided by the utility model;

fig. 5 is a schematic structural view of a first prefabricated member and a second prefabricated member of a chute structure for a smoke chamber of a cement kiln after being spliced.

Reference numerals:

100. a carrying body; 110. a bearing plate; 120. a first bearing surface; 130. a second bearing surface; 140. a third bearing surface;

200. prefabricating the assembly; 210. a chute space; 220. a first preform; 230. a second preform; 240. a bite component; 241. a first engagement portion; 2411. a first occlusal surface; 2412. a first upper limit surface; 2413. a first lower limit surface; 242. a second engagement portion; 2421. a second occlusal surface; 2422. a second upper limit surface; 2423. a second lower limit surface; 243. a third engagement portion; 244. a fourth engagement portion;

251. a first prefabricated part; 252. a second prefabricated part; 253. a third prefabricated section;

300. and a heat preservation and insulation layer.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present utility model will be understood in detail by those of ordinary skill in the art.

In embodiments of the utility model, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Embodiments of the present utility model are described below with reference to fig. 1 to 5. It should be understood that the following description is only illustrative of embodiments of the utility model and is not intended to limit the utility model in any way.

Referring to fig. 1 and 2, an embodiment of the present utility model provides a chute structure for a smoke chamber of a cement kiln, the chute structure including a carrying body 100 and a prefabricated assembly 200, the carrying body 100 being for carrying the prefabricated assembly 200.

Wherein, the bearing main body 100 is disposed at an included angle with the horizontal plane, and the bottom of the bearing main body 100 is provided with a bearing plate 110.

The prefabricated components 200 are abutted to the bearing plate 110, a plurality of groups of prefabricated components 200 are arranged in an array along the extending direction of the bearing body 100, the outer side surfaces of the plurality of groups of prefabricated components 200 are attached to the bearing body 100, and the inner side surfaces of the plurality of groups of prefabricated components 200 are provided with chute spaces 210; each set of preform assemblies 200 includes a first preform 220 and a second preform 230, the first preform 220 and the second preform 230 being disposed opposite each other, and the first preform 220 and the second preform 230 being spliced together by a keying feature 240 (the positions of which are shown in phantom in the figures).

The chute structure for the smoke chamber of the cement kiln provided by the utility model has the advantages that cement pre-decomposed materials enter the rotary kiln after passing through the chute space 210 of the chute structure.

It will be appreciated that the chute structure for a smoke chamber of a cement kiln provided by the present utility model is constructed by dividing each set of prefabricated components 200 into a first prefabricated member 220 and a second prefabricated member 230, the first prefabricated member 220 and the second prefabricated member 230 being disposed opposite each other, and the first prefabricated member 220 and the second prefabricated member 230 being spliced by a snap member 240. When the prefabricated assembly 200 is manufactured, the first prefabricated member 220 and the second prefabricated member 230 are produced on a large scale, and then the first prefabricated member 220 and the second prefabricated member 230 are spliced through the engaging member 240 to form the prefabricated assembly 200, so that the prefabricated assembly 200 can be saved from being cast in situ and baked, the manufacturing is simpler, and the installation and the disassembly are more convenient; secondly, the chute structure formed by the first prefabricated member 220 and the second prefabricated member 230 which are formed and fired in a factory mode can avoid bursting caused by temperature rise fluctuation, and the whole service life is long; furthermore, the first prefabricated member 220 and the second prefabricated member 230 can be adjusted according to the requirement to adapt to various installation requirements, so that the applicability is high.

Referring to fig. 1 and 2, in some embodiments of the present utility model, the carrier body 100 may be an equipment housing of a smoke chamber of a cement kiln, and the carrier plate 110 may be a metal brick supporting plate made of heat-resistant steel, the equipment housing is disposed at an angle with respect to the horizontal, and the metal brick supporting plate is fixed to the equipment housing to support the prefabricated component 200.

In this embodiment, a datum line may be disposed on a surface of the equipment housing to determine an installation position of the prefabricated components 200, and a position of the metal tile supporting board may be determined according to a position of the prefabricated components 200 of the first group, where each group of prefabricated components 200 may be spliced and built from a bottom to a top direction of the equipment housing.

The first prefabricated member 220 and the second prefabricated member 230 are abutted with the metal brick supporting plate, the outer side surfaces of the first prefabricated member 220 and the second prefabricated member 230 are respectively attached to the equipment shell, multiple groups of first prefabricated member 220 and second prefabricated member 230 can be arranged along the extending direction array of the equipment shell so as to prolong the length of the chute space 210, preferably, the metal brick supporting plate is fixed at the bottom of the equipment shell, and a plurality of metal brick supporting plates can be arranged on the equipment shell at intervals according to the number of groups of prefabricated assemblies 200 formed by the first prefabricated member 220 and the second prefabricated member 230, so that the bearing force for bearing the first prefabricated member 220 and the second prefabricated member 230 can be improved, and the equipment safety is ensured.

In some embodiments of the present utility model, the first prefabricated member 220 and the second prefabricated member 230 may both adopt mullite homogeneous material and high-grade silicon carbide as main raw materials, after the first prefabricated member 220 and the second prefabricated member 230 are formed by high-temperature firing, baking can be avoided, the manufacturing procedure is simple, and meanwhile, the strength of the first prefabricated member 220 and the second prefabricated member 230 is higher after the first prefabricated member 220 and the second prefabricated member 230 are formed by high-temperature firing, and the prefabricated member has the performances of skinning resistance, wear resistance, scouring resistance and thermal shock resistance, so that the use effect and the service life of the prefabricated assembly 200 formed by splicing the first prefabricated member 220 and the second prefabricated member 230 can be ensured, and the problems of poor quality controllability of chute structure forming, easy bursting due to temperature rise fluctuation and short overall service life in the prior art are solved.

Referring to fig. 2 to 5, in some embodiments of the present utility model, the engaging member 240 includes a first engaging portion 241 and a second engaging portion 242, the first engaging portion 241 and the second engaging portion 242 are engaged, the first engaging portion 241 is disposed at one end of the first preform 220, and the second engaging portion 242 is disposed at one end of the second preform 230. The first engaging portion 241 and the second engaging portion 242 are matched, so that the first prefabricated member 220 and the second prefabricated member 230 can be spliced into the prefabricated assembly 200, the prefabricated assembly 200 is produced in a large scale, the manufacturing is simple, and the processing efficiency is high.

Specifically, the first engaging portion 241 includes a first engaging surface 2411, a first upper limiting surface 2412, and a first lower limiting surface 2413; the first engaging surface 2411, the first upper limiting surface 2412 and the first lower limiting surface 2413 are connected, the first upper limiting surface 2412 and the first lower limiting surface 2413 are arranged in parallel, and the first engaging surface 2411 and the first upper limiting surface 2412 or the first lower limiting surface 2413 are arranged at an included angle of 30-60 degrees.

The second engaging portion 242 is adapted to the structure of the first engaging portion 241, and the second engaging portion 242 is respectively abutted to the first engaging surface 2411, the first upper limiting surface 2412 and the first lower limiting surface 2413.

Wherein the second engagement portion 242 includes a second engagement surface 2421, a second upper stop surface 2422, and a second lower stop surface 2423; the second engaging surface 2421, the second upper limiting surface 2422 and the second lower limiting surface 2423 are connected, the second upper limiting surface 2422 and the second lower limiting surface 2423 are arranged in parallel, and an included angle between the second engaging surface 2421 and the second upper limiting surface 2422 or the second lower limiting surface 2423 is 30-60 degrees. The second engaging surface 2421 is engaged with the first engaging surface 2411, the second upper limiting surface 2422 is engaged with the first upper limiting surface 2412, and the second lower limiting surface 2423 is engaged with the first lower limiting surface 2413, such that the first preform 220 and the second preform 230 are spliced to form the unitary preform assembly 200.

The first engaging surface 2411 is disposed at an included angle of 30 ° to 60 ° with the first upper limiting surface 2412 or the first lower limiting surface 2413, and the second engaging surface 2421 is disposed at an included angle of 30 ° to 60 ° with the second upper limiting surface 2422 or the second lower limiting surface 2423, so that when the first engaging portion 241 and the second engaging portion 242 are matched, the cement pre-decomposition material is more compact, and when the cement pre-decomposition material falls into the chute space 210 of the prefabricated component 200, the cement pre-decomposition material cannot fall into the splice between the first engaging portion 241 and the second engaging portion 242, and high-temperature gas is prevented from entering the interior of the chute structure.

As another embodiment, the first engaging surface 2411 and the first upper limiting surface 2412 or the first lower limiting surface 2413 may also be vertically arranged to form a staggered structure, so as to avoid related materials and high-temperature flue gas from entering the inside of the chute structure through the engaging position of the first prefabricated member 220 and the second prefabricated member 230.

Of course, in other embodiments, the engagement between the first preform 220 and the second preform 230 may take other forms, such as: the engagement member 240 includes an engagement boss provided at one end of the first preform 220 and an engagement recess (not shown in the drawings) provided at the second preform 230, the engagement boss being adapted to the engagement recess.

Referring to fig. 1 to 5, in some embodiments of the present utility model, a third engaging portion 243 is disposed at an end of the first preform 220 facing away from the first engaging portion 241, a fourth engaging portion 244 is disposed at an end of the second preform 230 facing away from the second engaging portion 242, and the third engaging portion 243 and the fourth engaging portion 244 may be adapted to splice into a prefabricated component 200 of another specification, so as to achieve that the first preform 220 and the second preform 230 can be spliced and paired in opposite directions, thereby satisfying the first preform 220 and the second preform 230 of the same specification, and being capable of being spliced to form two prefabricated components 200 with different chute widths, and being further capable of being adjusted according to an actual installation space, so as to improve the adjustability and applicability of the prefabricated components 200.

Further, the third engaging portion 243 may be spliced with an adjacent prefabricated component 200 to form two sets of chute structures; the fourth engaging portion 244 may be spliced with another adjacent prefabricated component 200 to form two sets of chute structures; or, the third engaging portion 243 can be spliced with the adjacent prefabricated component 200, and the fourth engaging portion 244 can be spliced with another adjacent prefabricated component 200 to form a plurality of groups of chute structures, so that the prefabricated components 200 can be flexibly spliced, and the adjustability and applicability of the chute structures for the smoke chamber of the cement kiln are improved.

Referring to fig. 3-4, in some embodiments of the present utility model, first preform 220 and second preform 230 each include a first preform 251, a second preform 252, and a third preform 253.

The first prefabricated part 251 and the third prefabricated part 253 are arranged in parallel, the second prefabricated part 252 is connected between the first prefabricated part 251 and the second prefabricated part 252, the second prefabricated part 252 and the first prefabricated part 251 or the third prefabricated part 253 are arranged at an included angle of 30-45 degrees, the inclination of the side wall of the chute structure formed after the first prefabricated part 220 and the second prefabricated part 230 are spliced is 30-45 degrees, the first prefabricated part 220 and the second prefabricated part 230 form a Z-shaped structure, and the inverted trapezoid chute space 210 is formed after the first prefabricated part 220 and the second prefabricated part 230 are spliced.

Specifically, the width of the first prefabricated portion 251 may be 150mm to 500mm, and thus, the width of the bottom surface of the chute space 210 formed by the first prefabricated member 220 and the second prefabricated member 230 spliced together is 300mm to 1000mm; the distance between the upper surface of the first prefabricated part 251 and the upper surface of the third prefabricated part 253 is 100mm-300mm, which is equivalent to the depth of the chute space 210 formed by splicing the first prefabricated part 220 and the second prefabricated part 230 being 100mm-300mm; the distance between the lower surface of the first prefabricated portion 251 and the upper surface of the third prefabricated portion 253 is 150mm to 250mm, which corresponds to the vertical height of the first prefabricated member 220 and the second prefabricated member 230 being 150mm to 250mm.

Referring to fig. 1 and 2, in some embodiments of the present utility model, the carrier body 100 includes a first carrier surface 120, a second carrier surface 130, and a third carrier surface 140; the first bearing surface 120, the second bearing surface 130 and the third bearing surface 140 are connected, the first bearing surface 120 and the third bearing surface 140 are arranged in parallel, the second bearing surface 130 is obliquely arranged between the first bearing surface 120 and the third bearing surface 140, and the bearing main body 100 formed by the first bearing surface 120, the second bearing surface 130 and the third bearing surface 140 is matched with the prefabricated assembly 200 in structure so as to better bear the prefabricated assembly 200.

The support plate 110 is disposed on the first bearing surface 120, the second bearing surface 130, and the third bearing surface 140, respectively, and supports the prefabricated assembly 200.

Further, a heat insulation layer 300 is arranged between the bearing main body 100 and the prefabricated component 200, and the heat insulation layer 300 is used for heat insulation and heat insulation, so that the temperature of the bearing main body 100 is effectively prevented from being too high, and the system heat consumption of a smoke chamber of the cement kiln is reduced.

Wherein the thermal insulation layer 300 includes at least one of a calcium silicate board and a nano thermal insulation board.

When the thermal insulation layer 300 includes a calcium silicate plate and a nano thermal insulation plate, the calcium silicate plate is abutted with the prefabricated assembly 200, and the nano thermal insulation plate is abutted with the bearing body 100.

When the thermal insulation layer 300 includes a calcium silicate plate, the calcium silicate plate abuts against the prefabricated assembly 200, and the calcium silicate plate abuts against the carrying body 100.

When the thermal insulation layer 300 includes the nano thermal insulation board, the nano thermal insulation board is abutted with the prefabricated assembly 200, and the nano thermal insulation board is abutted with the bearing body 100.

In some embodiments, the thickness of the thermal insulation layer 300 may be 40-100mm, and after the metal tile supporting board is fixed with the equipment housing, the thermal insulation layer 300 may be installed on the equipment housing, and the prefabricated component 200 is disposed on the thermal insulation layer 300.

When the bearing main body 100 is an equipment shell, the overhigh temperature of the equipment shell can be avoided, so that the heat consumption of the whole equipment is effectively reduced, and the whole safe operation of the equipment is ensured.

When the chute structure for the cement kiln smoke chamber is installed, a datum line can be arranged on the surface of an equipment shell, the installation positions of the first prefabricated member 220 and the second prefabricated member 230 can be determined, the positions of the metal brick supporting plates can be determined according to the installation positions of the first prefabricated member 220 and the second prefabricated member 230, the metal brick supporting plates can be welded and fixed on the equipment shell, then the heat insulation layer 300 is installed, the first prefabricated member 220 and the second prefabricated member 230 are built by splicing from low to high, and gaps between the prefabricated members 200 can be filled in a sealing mode by using refractory high-temperature cement until all the prefabricated members 200 are installed.

The utility model also provides a cement kiln smoke chamber, which comprises a smoke chamber body (not shown in the attached drawings) and the chute structure for the cement kiln smoke chamber provided by the embodiment.

The chute structure for the cement kiln smoke chamber is arranged in the smoke chamber body, one end of the chute structure for the cement kiln smoke chamber is communicated with a blanking pipe (not shown in the drawing) of the smoke inlet chamber of the lowest cyclone of the preheater, and the other end of the chute structure for the cement kiln smoke chamber is communicated with the rotary kiln.

Because the cement kiln smoke chamber comprises the chute structure for the cement kiln smoke chamber provided by the embodiment, the cement kiln smoke chamber has all the advantages, the chute structure in the cement kiln smoke chamber is used for producing the first prefabricated member 220 and the second prefabricated member 230 on a large scale, and then the first prefabricated member 220 and the second prefabricated member 230 are spliced through the engaging member 240 to form the prefabricated assembly 200, so that the prefabricated assembly 200 can be saved from being cast in place and baked, the manufacturing is simpler, and the installation and the disassembly are more convenient; secondly, the chute structure formed by the first prefabricated member 220 and the second prefabricated member 230 which are formed and fired in a factory mode can avoid bursting caused by temperature rise fluctuation, and the whole service life is long; furthermore, the first prefabricated member 220 and the second prefabricated member 230 can be adjusted according to the requirement to adapt to various installation requirements, so that the applicability is high.

It should be noted that, the technical solutions in the embodiments of the present utility model may be combined with each other, but the basis of the combination is based on the fact that those skilled in the art can realize the combination; when the combination of the technical solutions contradicts or cannot be realized, it should be considered that the combination of the technical solutions does not exist, i.e. does not fall within the scope of protection of the present utility model.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A chute structure for a cement kiln flue chamber, comprising:

2. The chute structure for a smoke chamber of a cement kiln according to claim 1, wherein the engagement member comprises a first engagement portion and a second engagement portion which are engaged, the first engagement portion being provided at one end of the first preform, the second engagement portion being provided at one end of the second preform.

3. The chute structure for a smoke chamber of a cement kiln according to claim 2, wherein the first engagement portion comprises a first engagement surface, a first upper limit surface and a first lower limit surface connected; the first upper limit surface and the first lower limit surface are arranged in parallel, and the first occlusal surface and the first upper limit surface or the first lower limit surface are arranged at an included angle of 30-60 degrees;

4. The chute structure for a smoke chamber of a cement kiln according to claim 2, wherein a third engaging portion is provided at an end of the first prefabricated member facing away from the first engaging portion, a fourth engaging portion is provided at an end of the second prefabricated member facing away from the second engaging portion, and the third engaging portion is spliced with the fourth engaging portion.

5. The chute structure for a cement kiln flue gas chamber according to claim 4, wherein the third engagement portion is provided in a splice with an adjacent prefabricated component, and/or

6. The chute structure for a cement kiln flue gas chamber according to claim 1, wherein the first preform and the second preform each include a first preform portion, a second preform portion, and a third preform portion;

7. The chute structure for a cement kiln flue gas chamber according to claim 6, wherein the width of the first prefabricated portion is 150mm to 500mm;

8. The chute structure for a smoke chamber of a cement kiln according to any one of claims 1 to 7, wherein the bearing body has a first bearing surface, a second bearing surface and a third bearing surface connected, the first bearing surface and the third bearing surface being arranged in parallel, the second bearing surface being obliquely located between the first bearing surface and the third bearing surface;

9. The chute structure for a cement kiln flue gas chamber according to any one of claims 1 to 7, wherein a heat-insulating layer is provided between the carrying body and the prefabricated component;

10. A cement kiln smoke chamber, characterized by comprising a smoke chamber body and the chute structure for a cement kiln smoke chamber of any one of claims 1 to 9;