CN2073810U - Shaped briquette with interlaminar combustion chamber - Google Patents

Abstract

The utility model relates to a novel shaped briquette with an interlaminar combustion chamber. The vicinity of the middle part of one end surface of the utility model is provided with the downwards concave interlaminar combustion chamber (2). The end surface of the shaped briquette is provided with at least one groove (1) which is communicated with the interlaminar combustion chamber and the outer flank of a briquette body. When the stacking layer of the shaped briquette is burned, the oxygen gas can enter in the interlaminar combustion chamber via the groove. The utility model improves the combustion condition, increases the combustion area, and improves the combustion speed of the shaped briquette and the temperature in a hearth greatly.

Description

Moulded coal with interlayer combustion chamber

The utility model belongs to moulded coal processing and manufacturing field.

Since environmental protection and energy-conservation aspect advantage, moulded coal replaces traditional diffusing coal burning mode of loosing gradually.But moulded coal generally all adopts lamination to build in combustion process to be burnt, and in combustion process, owing to be subjected to the thermal site difference, makes the coal cinder temperature that is subjected to fiery face far-end on the low side relatively between the coal seam.Moulded coal is fitted up and down closely in addition, and interlayer oxygen supply deficiency makes that burning is insufficient, and burning velocity is slow, and row has reduced the combustion heating amount to atmosphere to some contained in the coal hydrocarbon combustible substances without just fully burning, and has increased environmental pollution.For solving the slow and insufficient problem of moulded coal burning velocity, people have done long-term effort, some solutions have been proposed, for example, recessed at an end face that makes moulded coal, and change hole shape into combustion front bigger irregularly-shaped hole, though this can be avoided too fitting tightly between the coal seam, but because the combustion air that burns between the coal seam can only be provided by the coal hole, lack more effective direct oxygen supply channel, can not reach more good economy, technique effect.

The purpose of this utility model is, changes the contour structures of moulded coal, makes it to have between good outside oxygen supply channel and interlayer combustion chamber, and face is improved self burning condition of moulded coal.

The purpose of this utility model is to realize by following design.

On an end face of conventional criteria moulded coal (no matter garden shape, square, rectangle), increase by an interlayer combustion chamber (2), this combustion chamber is actually the downward sunk area that is arranged on the end face middle part, and communicates with the space outerpace of coal body side with at least one groove (1).During use, the coal seam is overlapped, and oxygen can directly enter the interlayer combustion chamber by the groove that is arranged in the coal body side, has increased the oxygen supply of interlayer.

Through transformation as above, improving between the coal seam in the oxygen supply condition, increased the combustion front that effectively is heated of coal body, and promoted the thermal convection current between the vertical setting of types moulded coal layer, thereby the moulded coal burning velocity is speeded, fire box temperature raises.

Description of drawings is as follows:

Fig. 1, has the schematic perspective view of interlayer combustion chamber moulded coal.

Fig. 2, has the user mode figure of interlayer combustion chamber moulded coal.

Now by reference to the accompanying drawings, the utility model is described in further detail.

Fig. 1 has provided the situation of the utility model thorough cut groove (1) outside square briquette adopts four, and five burner ports (3,5,7,9,10) are arranged in the interlaminar combustion chamber (2). There are four burner ports (4,6,8,11) at its edge.

Fig. 2 has shown the situation when the utility model uses, and air enters interlaminar combustion chamber between the coal seam that stacks mutually, promoted type burning of coal from groove (1).

From the structural design of interlaminar combustion chamber of the present utility model, in explained hereafter, also there are some improvement property schemes. Such as, consider from the mechanical strength that improves moulded coal, at some edge corner angle (12,13) of interlaminar combustion chamber, can do bevel or other arc-shaped transition angle. In addition, the hole shape of moulded coal can be garden shape, also can make bigger square, the ellipse garden shape of combustion front or other abnormity, also can do corresponding conversion in hole count and arrangement mode.

Embodiment 1,9 hole square coal, 2 centimetres of depths of recess, 4 grooves, 2 centimetres of ditch groove widths.

Garden, embodiment 2,12 hole moulded coal, hole, ellipse garden, 3 centimetres of depths of recess, a groove.

Claims (3)

1, a kind of moulded coal is made of coal body and burner port, it is characterized in that:

A) an interlayer combustion chamber (2) to lower recess is arranged near the middle part of coal body one end face;

B) on end face, described interlayer combustion chamber has at least a groove (1) to communicate with the space outerpace of coal body side.

2, the moulded coal according to claim 1 is characterized in that the burner port of described moulded coal can be garden shape or other section groove.

According to claim 1 or 2 described moulded coals, it is characterized in that 3, that described moulded coal can be is square, garden shape or rectangle.

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