CN206247928U - A kind of heat storage - Google Patents

Abstract

The utility model provides a kind of heat storage, including heat-storing sphere, and protruding ring is provided with the heat-storing sphere.The utility model has the advantages that to improve die life and good energy-conserving effect.

Description

A kind of heat storage

Technical field

The utility model is related to Regenerative Combustion Technology field, more particularly to a kind of heat storage.

Background technology

Current heat-storing sphere is overall spherical surface body structure, main two kinds of the balling-up mode of material, and one kind is by intergranular Cohesiveness is molded, and such as dribbling balling therapy is, it is necessary to use dribbling balling machine；Another kind is that outer power makes its shape to powder applying pressure Glomeration, is mainly pressurizeed using ball press to it.Dribbling balling machine be granular material in the case where there is certain humidity, charging tray Constantly rotation makes the outer layer of spherical particle constantly be stained with powder, so that the size for increasing spherical particle realizes balling-up, what it was present Problem is：Intensity is small, easily layering, and density is low, frangible easy powder, causes that heat-storing sphere heat storage capacity is poor, and thermal shock resistance is poor, uses the longevity Life is low.Mainly use presses ball press to material, and use carries out extruding the method for making its balling-up completion presser to roller to it Make, briquetting pressure is big, heat-storing sphere intensity is big, and it has problem is：The heat-storing sphere of ball press shaping is spherical surface body, mould It is upper and lower two dome-types, directly to pressure, fragile, service life is low for two mould straight cutting edges during pressure ball, causes to change often, Increase production cost, reduce production efficiency, improve heat-storing sphere cost, machine pressure cannot be realized at present.

Utility model content

The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, there is provided one kind improves mould and uses the longevity The heat storage of life and good energy-conserving effect.

In order to solve the above technical problems, the utility model proposes technical scheme be：

A kind of heat storage, including heat-storing sphere, protruding ring is provided with the heat-storing sphere.

As the further improvement of above-mentioned technical proposal：

The protruding ring is to be set on the outer surface of the heat-storing sphere, with the heat-storing sphere one mechanical pressing.

The upper/lower terminal of the heat-storing sphere is relative to be provided with planomural.

Plane where the planomural and the plane parallel where the protruding ring.

The protruding ring along the outer surface of the heat-storing sphere the thickness range for projecting radially outward for 1.5mm≤d≤ 3.5mm。

The cross sectional shape of the heat-storing sphere is spherical or ellipse.

Compared with prior art, the utility model has the advantage of：

The utility model sets protruding ring on heat-storing sphere, prevents upper/lower die directly to pressure in mechanical pressing, raised Ring forms protection ring between upper and lower mould straight cutting edge, and die life is long, realizes that the efficient machine of heat-storing sphere is pressed into ball；Together When, protruding ring is set on heat-storing sphere, increase heat-storing sphere and pile up gap, reduce what flue gas, combustion air flowed in heat storage Resistance, energy-saving effect is more preferably.

Brief description of the drawings

The utility model will be hereinafter described in more detail based on embodiment and refer to the attached drawing.In figure：

Fig. 1 is the structural representation of the utility model heat storage.

In the accompanying drawings, identical part uses identical reference.Accompanying drawing is not according to actual scaling.

Each label is represented in figure：

1st, heat-storing sphere；11st, planomural；2nd, protruding ring.

Specific embodiment

Below in conjunction with accompanying drawing, the utility model is described in further detail.

The embodiment of the utility model heat storage is shown such as Fig. 1, heat storage of the present utility model is applied to high-temperature heating Stove, storage heater, the heating furnace being fabricated by by iron and steel material quality, petrochemical industry produce in machine and be also applied for gradually popular The roasting plant for getting up, when heat accumulating burner works, there is heat exchange in heat storage with high/low temperature gas.The present embodiment Heat storage, including heat-storing sphere 1, are provided with protruding ring 2 on heat-storing sphere 1.The utility model sets protruding ring 2 on heat-storing sphere 1, Prevent upper/lower die directly to pressure during mechanical pressing, protruding ring 2 forms protection ring between upper and lower mould straight cutting edge, and mould makes With long lifespan, realize that the efficient machine of heat-storing sphere 1 is pressed into ball；Meanwhile, protruding ring 2 is set on heat-storing sphere 1, increase heat-storing sphere 1 and pile up Gap, reduces the resistance that flue gas, combustion air flow in heat storage, and energy-saving effect is more preferably.

In the present embodiment, protruding ring 2 to be set on the outer surface of heat-storing sphere 1, and the one mechanical pressing of heat-storing sphere 1, its Facilitate the processing and manufacturing of heat storage, and be conducive to the batch production of heat storage, so as to greatly increase the production of the heat storage Efficiency, to meet industrial requirement in time.

In the present embodiment, planomural 11 is relatively set with the upper/lower terminal of heat-storing sphere 1, the setting of planomural 11 further increases Contact area between strong heat storage, is conducive to the heat between accumulation of heat and heat storage and the high-temperature flue gas between each heat storage Exchange, and the setting of planomural 11 saves heat storage material, it is cost-effective.

In the present embodiment, plane and the plane parallel at the place of protruding ring 2 where planomural 11 have been effectively ensured each storage body The stability of position in heat-accumulation combustor, reduces the probability that each heat storage occurs play, is conducive to the heat exchange of heat storage； Meanwhile, be conducive to the processing of heat storage, reduce technology difficulty.

In the present embodiment, protruding ring 2 is 1.5mm≤d along the thickness range for projecting radially outward of the outer surface of heat-storing sphere 1 ≤ 3.5mm, not only contributes to save the raw material of construction heat storage, cost-effective；Meanwhile, increase between adjacent heat storage Spacing, reduces the circulating resistance of high-temperature flue gas, is conducive to the circulation of high-temperature flue gas, facilitates between heat storage and high-temperature flue gas Heat exchange.

In the present embodiment, if protruding ring 2 is less than 1.5 millimeters along the thickness that the outer surface of heat-storing sphere 1 projects radially outward, will Cause the space between adjacent heat storage too small, so as to be unfavorable for high-temperature flue gas, low-temperature flue gas and the circulation of air, and then It is unfavorable for the heat exchange of heat-storing sphere 1；If protruding ring 2 is more than 3.5 millis along the thickness that the outer surface of the heat-storing sphere 1 projects radially outward Rice, then cause the waste of raw material so that financial cost increase, and the outwardly thickness value senior general of protruding ring 2 cause it is adjacent Heat storage between heat transfer it is slow, reduce the heat exchanger effectiveness between adjacent heat storage.

In the present embodiment, the cross sectional shape of heat-storing sphere 1 is spherical or ellipse, the convenient processing and manufacture of heat-storing sphere 1；This implementation In example, heat storage is molded by hydraulic press die press, and heat storage has the advantages that intensity is high, density big and long service life.

In the present embodiment, the material of heat-storing sphere 1 and protruding ring 2 is the one kind in High-Alumina, corundum and Zirconium corundum Or multiple combination, because above-mentioned three kinds of materials are respectively provided with, corrosion-resistant, high temperature resistant, intensity is high and advantage of good heat conduction effect, on State the heat storage that material is fabricated by and also possess above-mentioned advantage, reduce probability that heat storage is corroded, greatly extend storage The service life of hot body, reduce replacing number of times to heat storage, save financial cost.Further, since heat storage have compared with Good resistance to elevated temperatures and fire resistance, not only reduce the probability that heat storage deforms, meanwhile, also greatly increase peace Whole step.

Although being described to the utility model by reference to preferred embodiment, model of the present utility model is not being departed from In the case of enclosing, various improvement can be carried out to it and part therein can be replaced with equivalent.Especially, as long as not depositing The every technical characteristic being previously mentioned in structural hazard, each embodiment can combine in any way.The utility model It is not limited to specific embodiment disclosed herein, but all technical schemes including falling within the scope of the appended claims.

Claims (6)

1. a kind of heat storage, it is characterised in that including heat-storing sphere, protruding ring is provided with the heat-storing sphere.

2. heat storage according to claim 1, it is characterised in that the protruding ring is the appearance for being set in the heat-storing sphere On face, with the heat-storing sphere one mechanical pressing.

3. heat storage according to claim 2, it is characterised in that the upper/lower terminal of the heat-storing sphere is relative to be provided with planomural.

4. heat storage according to claim 3, it is characterised in that where the plane and the protruding ring where the planomural Plane parallel.

5. heat storage according to any one of claim 1 to 4, it is characterised in that the protruding ring is along the heat-storing sphere Outer surface the thickness range for projecting radially outward be 1.5mm≤d≤3.5mm.

6. heat storage according to claim 5, it is characterised in that the cross sectional shape of the heat-storing sphere is spherical or ellipse Shape.