CN202403533U

CN202403533U - Low resistance lattice brick structure for heat storage

Info

Publication number: CN202403533U
Application number: CN201120523131XU
Authority: CN
Inventors: 陈云天
Original assignee: LIAONING TIANHE TECHNOLOGY Co Ltd
Current assignee: LIAONING TIANHE TECHNOLOGY Co Ltd
Priority date: 2011-12-13
Filing date: 2011-12-13
Publication date: 2012-08-29
Anticipated expiration: 2021-12-13

Abstract

The utility model relates to an octagonal barrel-shaped low resistance lattice brick structure which can increase heat storage areas in a natural gas cross flame metallurgy auxiliary material tank furnace. The appearance of each of lattice bricks is in the octagonal barrel-shaped structure, the interior of each of the lattice bricks is a hollow cavity in the octagonal barrel shape, the lattice bricks are distributed at intervals, each two bricks are in close contact through one inclined corner of eight corners outside of each lattice brick to form a square sequential brick body structure, a plurality of semicircular or half square grooves are arranged on the side face of each of the lattice bricks, when the lattice bricks are used, hot flue gas is capable of circulating among the octagonal barrel-shaped spaces in the lattice bricks and square barrel-shaped and cylinder-shaped spaces outside of lattice brick intervals, the heat storage areas of the lattice bricks are increased, and circulation resistance of the flue gas is reduced. The lattice bricks utilize high quality fireproofing materials of magnesia bricks, magnesia zirconia bricks and the like. Simultaneously, each of the lattice bricks is in a symmetrical structure, the construction is convenient, and construction errors can be prevented.

Description

Accumulation of heat is with low-resistance checker brick structure

Affiliated technical field

The utility model relates to a kind of anistree tubular low-resistance checker brick structure that can improve heating surface that belongs to the Regenerative Combustion Technology field, especially a kind of uniformly-spaced inner firebrick structure of kiln heat accumulation chamber of reversing combustion of natural gas cross flame metallurgic auxiliary materials tank furnace that is mainly used in.Because this brick has very strong adaptability for kiln heat-accumulation combustion fuel, therefore can be widely used in fuel such as natural gas, heavy oil, diesel oil, coal gas generation gas.

Background technology

The kiln burning is the second largest power consumption industry that present domestic energy consumption is only second to boiler combustion; In recent years, along with the appearance of national energy-conserving and environment-protective relevant laws and regulations, and the rising steadily of fuel price; The waste heat of furnace fuel burning back flue gas absorbs and utilizes the continuous attention that obtains relevant enterprise; Hope and to improve the air exit temp of regenerator as much as possible the UTILIZATION OF VESIDUAL HEAT IN in the flue gas, reduce the flow path resistance in the fume afterheat absorption process simultaneously as much as possible.

The at present domestic accumulation of heat checker brick structure that also has part developing and using; But situation from present application; Improve the flow path resistance of the increase flue gas that heating surface will be in various degree, will increase the air-introduced machine power of kiln, cause the increase of cost indirectly.In view of the situation; The application has proposed to adopt the anistree tubular low-resistance checker brick structure that can improve heating surface; Use anistree tubular construction, fundamentally solved the problem that resistance increases when increasing heating surface, can improve the needs heating air exit temp of regenerator simultaneously.

The utility model content

The purpose of the utility model is to provide a kind of can improve heating surface; Improve the needs heating air exit temp of regenerator, the anistree tubular checker brick structure that reduces flue gas resistance simultaneously improves heating surface the two can not be taken into account and problem such as cost height with reducing the flue gas flow resistance to solve existing checker brick.

In order to reach the foregoing invention purpose; The technical scheme of the utility model is achieved in that this checker brick structure comprises a plurality of spaced apart anistree tubular checker brick, and the profile of every block of anistree tubular checker brick surrounds symmetrical anistree profile at interval by each four isometric long limit of tow sides and four isometric limits, oblique angle; Every block of anistree tubular checker brick closely are connected with four blocks of anistree tubular checker brick respectively through the face that the limit, oblique angle constitutes, and form the brick laying structure that continues in all directions.

The internal cavities of every block of anistree tubular checker brick is the square cavities of anistree cylindrical cavity, square cavities, band chamfering or a kind of (internal cavities is preferably anistree tubular) in the circular cavity.

On the tow sides of every block of anistree tubular checker brick, be provided with eight grooves; These grooves are spaced set placed in the middle on the direction vertical with long limit all; The cross sectional shape of groove is semicircle or half square, in the brick structure that is built into, will present the cylindrical cavity or the square cavities of air guide like this; Perhaps, on four of the checker brick sides that constitute by long limit, equidistantly be vertically arranged with two through holes respectively between two parties, and these holes be shaped as square or circle, therefore also can form the cylindrical cavity or the square cavities of air guide in use.

In addition, in order to increase the stability of brick laying structure, the length on the long limit of every block of anistree tubular checker brick is usually greater than the length on limit, oblique angle, thereby seems that whole brick body similarly is on square brick body, to remove four angles to constitute octagonal brick laying structure.

The material of checker brick is selected for use and is high-quality refractory materials such as the magnesia brick that is fit to the regenerator technological requirement, magnesium zirconia block.

The beneficial effect of the utility model is:

(1) the checker brick profile of the utility model is anistree tubular construction; Inside also is anistree tubular construction; The separation that is through checker brick during use can make full use of the area of checker brick surfaces externally and internally; Increased the contact heat-exchanging area of checker brick and flue gas, made the waste heat energy in the flue gas access abundant absorption.

(2) the checker brick structure of the utility model adopts per two blocks of checker brick closely to connect through an oblique angle in the outer anise of checker brick; It is fully fixing that checker brick can be accessed; Make whole accumulation of heat checker brick can become an overall structure; Guarantee accidents such as checker brick do not cave in, be fit to tall and big checker.

(3) checker brick of the utility model adopt tubular construction; Flue gas can lead to from inner anistree tubular space of checker brick and outside at interval square tubular space or the circular tubular spatial flow of checker brick; When making waste heat energy in the flue gas access abundant absorption, reduced the circulating resistance of flue gas.

(4) checker brick of the utility model adopt anistree tubular construction, because every brick all is a symmetrical structure, easy construction can not cause the construction mismatch.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further specified.

Fig. 1 is the checker work overall structure sketch map of the utility model

Fig. 2 is the checker brick monomer structure sketch map of the utility model

Fig. 3 is the sketch map that the utility model checker brick side is provided with semi-circular recesses

Fig. 3-the 1st, the checker brick user mode sketch map of illustrating among Fig. 3

Fig. 3-the 2nd, the utility model checker brick side is provided with the sketch map of half square indentations

Fig. 4 is that the utility model checker brick side is the side view in hole

Among the figure

Limit, 1 anistree tubular checker brick 4 oblique angle

2 anistree cylindrical cavity 5 grooves

3 long limits, 6 through holes

The specific embodiment

Below, with reference to the preferred embodiment of accompanying drawing detailed description the utility model.Need to prove before this; Employed term or word can not limited interpretation be common implication or the implication in the dictionary in this specification and claims, and should be based on being interpreted as implication and the notion that meets the utility model technological thought for the principle that can suitably define the notion of term with novel inventor in fact with the best mode explanation.Thereupon; The structure of representing in embodiment that this specification is put down in writing and the accompanying drawing is one of the utility model most preferred embodiment; Can not represent the technological thought of the utility model fully, therefore should be understood that for the utility model, to have various equivalents and the variation that to replace.

Like Fig. 1, shown in Figure 2; The checker work structure of the utility model comprises a plurality of spaced apart anistree tubular checker brick 1, and the profile of every block of anistree tubular checker brick 1 surrounds symmetrical anistree profile at interval by each four isometric long limit 3 of tow sides and four isometric limits, oblique angle 4; Every block of anistree tubular checker brick 1 closely are connected with four blocks of anistree tubular checker brick 1 respectively through the face that limit, oblique angle 4 constitutes, and form the brick laying structure that continues in all directions.

The internal cavities of every block of anistree tubular checker brick 1 is that a kind of in square cavities or the circular cavity of anistree cylindrical cavity 2, square cavities, band chamfering (is the cavity of anistree tubular shown in the figure; This cavity shape is generally and the profile spaced set, but also can design again according to actual needs).

Shown in Fig. 3, Fig. 3-1, Fig. 3-2; On the tow sides of checker brick, respectively be provided with eight grooves 5; These grooves 5 are spaced set placed in the middle on the direction vertical with long limit 3 all, and the cross sectional shape of groove 5 be semicircle or half square, in the brick structure that is built into, will present cylindrical cavity or square cavities like this and (provide the signal of formation cylindrical cavity among Fig. 3-1; The formation of square cavities is similar with it, here accompanying drawing no longer).

As shown in Figure 4; On four sides that constitute by long limit 3 of checker brick, equidistantly be vertically arranged with two through holes 6 respectively between two parties; And these holes be shaped as square or circle, therefore also can form cylindrical cavity or square cavities in use, though the mode of this set through hole has its certain superiority; Can increase the technology of pressing brick in process of production than the mode that groove is set by contrast, generally will not adopt during actual production.

In addition, in order to increase the stability of brick laying structure, the length on the long limit 3 of the checker brick of the utility model is usually greater than the length on limit, oblique angle 4, thereby seems that whole brick body similarly is on square brick body, to remove four angles to constitute octagonal brick laying structure.

The anistree tubular low-resistance checker brick structure that can improve heating surface of the utility model is selected the high-quality refractory material of materials such as the magnesia brick that is fit to the regenerator technological requirement, magnesium zirconia block for use, and the checker brick profile is anistree tubular construction, and inside also is anistree tubular construction (optimal way); Checker brick are separation, when checker brick are produced, through former with refractory material compression moulding; Pass through high temperature then with the refractory material sintering, process satisfactory anistree tubular checker work at last, when building the regenerator lattice brick body; Through the outer anistree oblique angle of checker brick two blocks of checker brick are linked together, checker brick arrange that at interval per two checker brick gap size equate; Be built into one deck to checker brick so earlier,, carry out piling up in layer then according to the structure of this one deck; Easy construction can not cause mismatch, until meeting actual requirement for height; So from the bottom up, checker brick have just formed symmetrical tubular construction, and flue gas can be from inner octagonal tubular space of checker brick and checker brick outer square tubular space or cylindrical space circulation at interval; When making waste heat energy in the flue gas access abundant absorption, reduced the circulating resistance of flue gas.Owing to adopted the technology of piling up of symmetrical octagonal brick laying structure and symmetry, make flue gas the time through the heat storage checker brick, the heating degree inside and outside the checker brick is identical; Simultaneously flue gas evenly flows between every layer of tube structure; Both reduce the resistance of motion of flue gas, and guaranteed again to be heated evenly between every layer of the cylindrical shell checker brick, thereby guaranteed the uniformity of the expanded by heating degree of checker brick; The checker Stability Analysis of Structures of building like this, firm is fit to tall and big checker.The thickness of anistree tubular checker brick can adopt different sizes according to different requirement with dimensions length, to be fit to multiple different accumulation of heat working condition requirement.

Describe and illustrate with reference to the specific embodiment although it should be noted that the utility model, and provided the brick laying structure of the anistree tubular low-resistance checker brick that can improve heating surface.But and do not mean that the utility model is limited to the embodiment of these descriptions, those skilled in the art can therefrom derive many different variants, they all will be covered in the true spirit and scope of the utility model claim.

Claims

1. accumulation of heat is with low-resistance checker brick structure; Comprise a plurality of spaced apart anistree tubular checker brick (1), it is characterized in that: the profile of every block of anistree tubular checker brick (1) surrounds symmetrical anistree profile at interval by each four isometric long limit (3) of tow sides and four isometric limits, oblique angle (4);

Every block of anistree tubular checker brick (1) closely are connected with four blocks of anistree tubular checker brick (1) respectively through the face that limit, oblique angle (4) constitutes, and form the brick laying structure that continues in all directions.

2. accumulation of heat according to claim 1 is characterized in that with low-resistance checker brick structure: the internal cavities of every block of anistree tubular checker brick (1) is a kind of in square cavities or the circular cavity of anistree cylindrical cavity (2), square cavities, band chamfering.

3. accumulation of heat according to claim 2 is with low-resistance checker brick structure; It is characterized in that: on the tow sides of every block of anistree tubular checker brick (1), be provided with eight grooves (5), these grooves (5) are spaced set placed in the middle on the direction vertical with long limit (3) all.

4. accumulation of heat according to claim 3 is characterized in that with low-resistance checker brick structure: the cross sectional shape of groove (5) is semicircle or half square.

5. accumulation of heat according to claim 2 is characterized in that with low-resistance checker brick structure: on four sides that are made up of long limit (3) of every block of anistree tubular checker brick (1), equidistantly be vertically arranged with two through holes (6) respectively between two parties.

6. accumulation of heat according to claim 5 is characterized in that with low-resistance checker brick structure: the cross sectional shape of eight through holes (6) that on four on every block of anistree tubular checker brick (1) sides that are made up of long limit (3), are provided with is square or circular.

7. it is characterized in that with low-resistance checker brick structure according to the described accumulation of heat of arbitrary claim in the claim 1 to 6: the length on the long limit (3) of every block of anistree tubular checker brick (1) is greater than the length of limit, oblique angle (4).

8. accumulation of heat according to claim 7 is characterized in that with low-resistance checker brick structure: the material of every block of anistree tubular checker brick (1) is fire-resistant magnesia brick or magnesium zirconia block.