CN215446467U - Lower smoke exhaust type flat plate cremator - Google Patents

Abstract

The utility model provides a lower smoke-discharging type flat plate cremator, comprising: the outer frame the pearlite heat preservation, aluminium silicate heat preservation, the concrete layer that top-down in the outer frame set gradually and main combustion chamber prefab vault are located main combustion chamber of main combustion chamber prefab vault below sets up respectively in upper portion air feed pipe and lower part air feed pipe in two lateral walls of main combustion chamber set up respectively in return burner on two lateral walls of main combustion chamber, set up respectively in the secondary combustion chamber of main combustion chamber both sides set up in the inside main burner of main combustion chamber, set up in the fixed remains cremation bed board of main combustion chamber below, and set up in lower discharge flue prefab vault and lower discharge flue of fixed remains cremation bed board below. The utility model has the advantages of space saving, safety, beauty, long service life and convenient maintenance.

Description

Lower smoke exhaust type flat plate cremator

Technical Field

The utility model relates to the field of cremation machines, in particular to a lower smoke discharge type flat plate cremation machine.

Background

The flue gas generated after the flat plate cremator cremates remains can be discharged into the atmosphere after being treated by the tail gas, the steel pipe is used as an upper smoke discharge pipeline in the previously adopted upper smoke discharge type flat plate cremator, the pipeline is easy to block by the dust generated after the remains are cremated, the dust is unsafe to clean by high-altitude operation, the temperature of the flue gas generated after the remains are cremated is as high as 500 ℃, the heat radiation generated by the flue gas pipeline which is not less than 8 meters is arranged before the flue gas enters the tail gas purification treatment system, the cleaning personnel are easy to scald, the high temperature of a cremation operation room is caused, and the flue gas generated after the remains is cremated contains high-temperature particle dust and acid gas, so that the upper smoke discharge pipeline is easy to corrode, and the normal use of the cremator and the tail gas purification treatment system is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lower smoke exhaust type flat plate cremator, which solves the problems of unsafe high-altitude operation and easy scald caused by an upper smoke exhaust pipeline adopted by the flat plate cremator in the prior art.

In order to solve the technical problems, the utility model adopts the following technical scheme:

provided is a lower smoke discharge type flat plate cremator, comprising: the device comprises an outer frame, a perlite heat-insulating layer, an aluminum silicate heat-insulating layer, a concrete layer and a main combustion chamber prefabricated member vault which are sequentially arranged at the top in the outer frame from top to bottom, a main combustion chamber positioned below the main combustion chamber prefabricated member vault, an upper air supply pipe and a lower air supply pipe which are respectively arranged at two sides of the main combustion chamber, fire return ports which are respectively arranged at two sides of the main combustion chamber, secondary combustion chambers which are respectively arranged at two sides of the main combustion chamber, a main burner arranged in the main combustion chamber, a fixed remains cremation bed board arranged below the main combustion chamber, and a lower exhaust flue prefabricated member vault and a lower exhaust flue which are arranged below the fixed remains cremation bed board; the fixed remains cremation bed plate is provided with a plurality of ribs, the main combustion chamber is communicated with the secondary combustion chamber through a fire return port, the lower exhaust flue is built by first-level clay refractory bricks and is located in the ground 2-2.5 m away from the ground, the lower exhaust flue is communicated with the main combustion chamber and the secondary combustion chamber, tail gas generated after cremation remains enters the secondary combustion chamber through the fire return port to be fully combusted for the second time, and the tail gas after full combustion is discharged through the lower exhaust flue.

Preferably, the main burner is disposed above the interior of the main combustion chamber.

Preferably, the number of the fire returning ports is two or four, and the two or four fire returning ports are oppositely arranged on the left side and the right side of the main combustion chamber.

Preferably, the primary combustion chamber and the secondary combustion chamber are both constructed of primary clay refractory bricks or phosphate bricks.

Preferably, the upper air supply pipe and the lower air supply pipe are respectively connected with an air supply and oxygen supply device.

Preferably, the lower row of flues extends along the length of the primary combustion chamber.

Preferably, the thickness of the aluminum silicate heat-insulating layer is greater than that of the perlite heat-insulating layer, and the thickness of the perlite heat-insulating layer is greater than that of the concrete layer, so that a better heat-insulating effect is realized.

Preferably, the perlite heat insulation layer, the aluminum silicate heat insulation layer and the concrete layer are closely arranged between adjacent layer structures and have an arch shape similar to that of the prefabricated arch top of the main combustion chamber.

The fixed remains cremation bed board is provided with a plurality of transverse and longitudinal crossed convex ribs, and the maximum convex height of each convex rib is 1 cm.

Preferably, an aluminum silicate heat-insulating layer is arranged between the secondary combustion chamber built by the first-class clay refractory bricks and the outer frame.

Most preferably, the lower row of chimneys is constructed of primary clay refractory bricks 2 meters underground from the ground. The depth can ensure that the heat radiation is greatly reduced, and the material cost and the labor cost of construction engineering are saved to the maximum extent.

According to the lower smoke discharge type flat plate cremator provided by the utility model, compared with the prior art, the lower smoke discharge type flat plate cremator has the following beneficial effects:

1) the space is saved: because the lower row of flues is built under the ground with the depth of 2 meters, the lower row of flues is not influenced by the space of the cremation workshop and does not occupy the places of the cremation workshop and other matched functional rooms.

2) Safe and beautiful: after the built lower exhaust flue is decorated on the ground, the lower exhaust flue cannot be seen visually, operators cannot directly contact the lower exhaust flue, thermal radiation scalding cannot be generated, and attractiveness of a cremation workshop is not influenced.

3) The service life is long: because what this lower smoke-discharging formula flat plate cremation machine adopted is that one-level clay firebrick builds in two meters deep underground by laying bricks or stones, when high temperature dusty gas passes through lower flue, compares the last row's cigarette of steel material preparation, and more high temperature resistant corrosion-resistant is able to bear or endure erode, and life is longer.

4) The maintenance is convenient: after the lower exhaust flue is adopted, the cleaning and maintenance of accumulated dust are carried out without high-altitude operation.

Drawings

FIG. 1 is a cross-sectional view from a first perspective of a down-draft flat plate cremator in accordance with the present invention;

FIG. 2 is a cross-sectional view of the lower fume hood flat plate cremator shown in FIG. 1 from a second perspective;

fig. 3 is a cross-sectional view from a third perspective of the lower discharge plate cremator shown in fig. 1.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that the following examples are illustrative only and are not intended to limit the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Referring to fig. 1, 2 and 3, a lower smoke exhausting type flat plate cremator according to a preferred embodiment of the present invention comprises: an outer frame 1 of the external outline of the whole cremator is provided, and a perlite heat-insulating layer 2, an aluminum silicate heat-insulating layer 3 and a concrete layer 4 are sequentially arranged at the top in the outer frame 1 from top to bottom. A main combustion chamber prefabricated member vault 5 is arranged below the concrete layer 4, a main combustion chamber 7 built by first-level clay refractory bricks 13 is arranged below the main combustion chamber prefabricated member vault 5, and an upper air supply pipe 6 and a lower air supply pipe 10 are respectively arranged on two sides of the main combustion chamber 7. Two sides of the main combustion chamber 7 are provided with a secondary combustion chamber 14 built by first-level clay refractory bricks 12, two side walls of the main combustion chamber 7 are also respectively provided with a fire returning port 9 which penetrates through, and the communication between the main combustion chamber 7 and the secondary combustion chamber 14 is realized through the fire returning ports 9.

The top in the main combustion chamber 7 is equipped with main burner 8, and is different from the ash picking cremation machine in that, the below of main combustion chamber 10 is equipped with fixed remains cremation bed board 11, and the below of this fixed remains cremation bed board 11 is equipped with lower row flue prefab vault 12, and the both sides and the bottom of lower row flue prefab vault 12 are equipped with the lower row flue 15 that adopts one-level clay fire-resistant masonry, and this lower row flue 15 is located 2 meters underground apart from ground.

Wherein, the perlite heat preservation layer 2, the aluminum silicate heat preservation layer 3 and the concrete layer 4 jointly provide heat preservation effect, and the heat radiation scald is avoided.

The two fire return ports 9 are arranged oppositely on the left side and the right side of the main combustion chamber 7 and are arranged below the upper air supply pipe 6 and the lower air supply pipe 10. According to another preferred embodiment of the present invention, the number of the back fire ports 9 is four, and the back fire ports are oppositely arranged on the left side and the right side of the main combustion chamber 7, so as to further increase the communication effect and promote the secondary combustion of the tail gas.

The upper air supply pipe 6 and the lower air supply pipe 10 are respectively connected with an air supply oxygen valve 16.

The outer frame 1 is preferably composed of # 5 angle steel.

According to the above preferred embodiment, as shown in fig. 3, the operation flow of the lower smoke-discharging type flat plate cremator is as follows:

the remains that will need to be cremated are carried to main combustion chamber 7 through the remains delivery wagon, place on fixed remains cremation bed board 11, light main burner 8 and carry out cremation work, open the upper portion air feed pipe 6 and the lower part air feed pipe 10 of main combustion chamber 7 both sides simultaneously, supply the operation of wind oxygen suppliment, the tail gas that produces after the remains cremation in main combustion chamber 7 gets into afterburner 14 through returning burner 9 and carries out the abundant burning of secondary, then the tail gas after the abundant burning gets into purification treatment on next step through lower exhaust flue 15.

The above embodiments are merely preferred embodiments of the present invention, which are not intended to limit the scope of the present invention, and various changes may be made in the above embodiments of the present invention. All simple and equivalent changes and modifications made according to the claims and the content of the specification of the present application fall within the scope of the claims of the present patent application. The utility model has not been described in detail in order to avoid obscuring the utility model.

Claims (9)

1. The utility model provides a lower dull and stereotyped cremation machine of smoke evacuation formula which characterized in that includes: the device comprises an outer frame, a perlite heat-insulating layer, an aluminum silicate heat-insulating layer, a concrete layer and a main combustion chamber prefabricated member vault which are sequentially arranged at the top in the outer frame from top to bottom, a main combustion chamber positioned below the main combustion chamber prefabricated member vault, an upper air supply pipe and a lower air supply pipe which are respectively arranged in two side walls of the main combustion chamber, fire return ports respectively arranged on the two side walls of the main combustion chamber, secondary combustion chambers respectively arranged at two sides of the main combustion chamber, a main burner arranged in the main combustion chamber, a fixed remains cremation bed plate arranged below the main combustion chamber, and a lower flue prefabricated member vault and a lower flue arranged below the fixed remains cremation bed plate; the fixed remains cremation bed plate is provided with a plurality of ribs, the main combustion chamber is communicated with the secondary combustion chamber through a fire return port, the lower exhaust flue is built by first-level clay refractory bricks and is located in the ground 2-2.5 m away from the ground, the lower exhaust flue is communicated with the main combustion chamber and the secondary combustion chamber, tail gas generated after remains cremation enters the secondary combustion chamber through the fire return port to be fully combusted for the second time, and the tail gas after full combustion is discharged through the lower exhaust flue.

2. The lower smoke exhausting flat plate cremator of claim 1 wherein the primary burner is disposed above the interior of the primary combustion chamber.

3. The lower smoke exhausting type flat plate cremator in accordance with claim 1, wherein the number of the back fire ports is two or four, and the back fire ports are disposed to face each other at left and right sides of the main combustion chamber.

4. The under-exhausting flat plate cremator according to claim 1, wherein the primary and secondary combustion chambers are each constructed of primary clay refractory bricks or phosphate bricks.

5. The lower smoke exhausting type flat plate cremator of claim 1, wherein the upper air supplying pipe and the lower air supplying pipe are connected to an air supplying and oxygen supplying apparatus, respectively.

6. The lower smoke exhausting type flat plate cremator of claim 1, wherein the fire return port is provided below the upper and lower air supply ducts.

7. The lower smoke exhausting flat plate cremator in accordance with claim 1, wherein the lower smoke exhausting duct extends along a length of the primary combustion chamber.

8. The lower smoke exhausting type flat plate cremator according to claim 1, wherein the aluminum silicate insulating layer has a thickness greater than that of the perlite insulating layer, and the perlite insulating layer has a thickness greater than that of the concrete layer.

9. The lower smoke exhausting type flat plate cremator according to claim 1, wherein the fixed remains cremator bed plate has a plurality of ribs crossing horizontally and vertically, and each rib has a maximum protrusion height of 1 cm.

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