CN216203356U - Cremation machine with double negative pressure smoke discharging device - Google Patents

Abstract

The utility model relates to the technical field of funeral and interment, in particular to a cremation machine with double negative-pressure smoke discharge devices, which comprises a cremation machine body, the double negative-pressure smoke discharge devices and a chimney, wherein the cremation machine body comprises a furnace shell, a furnace wall, a hearth, a main burner and a furnace door, the rear part of the hearth is provided with the furnace door, and an operation hole is arranged below the main burner at the front part of the hearth; the double negative pressure smoke discharging device comprises a smoke discharging pipe, a first induced draft fan and a second induced draft fan. The cremator can timely discharge the smoke at the operation hole and the furnace door to the underground flue through the smoke discharge pipe and the first induced draft fan through the double negative pressure smoke discharge device, so that the position of the furnace chamber close to the operation hole and the furnace door is in a negative pressure state, carbon monoxide and dust are prevented from leaking, the cremator is beneficial to complete combustion, the smoke can be effectively prevented from overflowing from the dead body entrance when a dead body enters, the pollution of the smoke and malodorous gas to the environment is reduced, and the working environment of workers is improved.

Description

Cremation machine with double negative pressure smoke discharging device

Technical Field

The utility model relates to the technical field of funeral and interment, in particular to a cremation machine with a double-negative-pressure smoke discharge device.

Background

China is the country with the most population in the world, the Mongolian forest and the cultivated land area are limited, in order to protect land resources, the country advocates cremation to replace cremation, a plurality of professional cremation funeral houses are set in cities and towns, and special cremation machines are used for cinerating corpses. Smoke and malodorous gas generated in the working process of the cremation machine are diffused outwards to pollute indoor air, and in addition, a certain amount of polluted smoke can be sucked by funeral workers when the funeral workers operate close to the operating surface of the cremation machine and open a dead body door, so that occupational health hazards are caused.

The above background disclosure is only for the purpose of assisting understanding of the concept and technical solution of the present invention and does not necessarily belong to the prior art of the present patent application, and should not be used for evaluating the novelty and inventive step of the present application in the case that there is no clear evidence that the above content is disclosed at the filing date of the present patent application.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a cremator with a double negative pressure smoke discharge device.

In order to achieve the purpose, the utility model adopts the technical scheme that: a cremation machine with double negative pressure smoke discharge devices comprises a cremation machine body, the double negative pressure smoke discharge devices and a chimney, wherein the cremation machine body comprises a furnace shell, a furnace wall, a hearth, a main burner and a furnace door, the furnace shell is made of stainless steel and comprises a front support, a rear support, two side supports and a top frame; the furnace wall is arranged in the furnace shell, the hearth is arranged in the center of the cremation machine body and is a horizontal hearth for incinerating corpses, the top of the hearth is arched, the front part of the hearth is provided with a main burner, the rear part of the hearth is provided with a furnace door, an operation hole is arranged below the main burner at the front part of the hearth and is communicated with the bottom of the hearth, and the operation hole is covered by a sealing cover;

two sides of the hearth are provided with secondary combustion chambers, the secondary combustion chambers are communicated with the hearth through a first smoke exhaust channel, a tertiary combustion chamber is arranged under the hearth and is communicated with the tertiary combustion chamber through a second smoke exhaust channel, the tertiary combustion chamber is communicated with a chimney through an underground flue, and a Venturi ejector pipe communicated with an air blower is arranged in the chimney;

the double-negative-pressure smoke discharge device comprises a smoke discharge pipe, a first induced draft fan and a second induced draft fan, wherein an air inlet of the first induced draft fan is connected with the smoke discharge pipe, and an air outlet of the first induced draft fan is communicated with the underground flue through a pipeline; the smoke exhaust pipe is located the furnace outside and is the U-shaped extension of buckling, and smoke exhaust pipe one end is located cremation machine body front side and is being equipped with a plurality of first receipts cigarette mouths in the position that faces the handle hole, and the smoke exhaust pipe other end is located cremation machine body rear side and is being equipped with a plurality of second receipts cigarette mouths in the position that faces the furnace gate, the income wind gap and the cubic combustion chamber intercommunication of second draught fan, the air outlet and the underground flue intercommunication of second draught fan.

Further, the cremation machine body still includes heat preservation and stove inner bag, and heat preservation and stove inner bag are located in the furnace, and the heat preservation pastes and locates the oven inner wall, and the stove inner bag is located the heat preservation inboard, and heat preservation and stove inner bag looks interval form an intermediate layer.

Further, above-mentioned cremation machine of taking two negative pressure fume emission device still includes preheating device, and preheating device includes tuber pipe, heat transfer unit and locates a plurality of tuyeres in the furnace, and this heat transfer unit is hollow fire-resistant prefab, and in heat transfer unit located the intermediate layer between heat preservation and the furnace inner bag, tuber pipe one end stretched into the heat preservation inboard along the archwise side of oven and communicated with heat transfer unit, and the tuber pipe other end is connected with the fan, furnace inner bag and communicate with heat transfer unit are located to a plurality of tuyeres.

Furthermore, the secondary combustion chamber comprises a combustion chamber upper layer, a combustion chamber middle layer and a combustion chamber lower layer, a first baffle plate is arranged between the combustion chamber upper layer and the combustion chamber middle layer, a second baffle plate is arranged between the combustion chamber middle layer and the combustion chamber lower layer, and the first baffle plate and the second baffle plate are arranged in a staggered mode.

The cremator can timely discharge the smoke at the operation hole and the furnace door to the underground flue through the smoke discharge pipe and the first induced draft fan through the double negative pressure smoke discharge device, so that the position of the furnace chamber close to the operation hole and the furnace door is in a negative pressure state, carbon monoxide and dust are prevented from leaking, the cremator is beneficial to complete combustion, the smoke can be effectively prevented from overflowing from the dead body entrance when a dead body enters, the pollution of the smoke and malodorous gas to the environment is reduced, and the working environment of workers is improved.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of a cremator with a double negative pressure fume exhaust device according to the preferred embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 2;

in the figure: 11. a furnace shell; 12. a furnace wall; 13. a hearth; 130. a sealing cover; 131. an operation hole; 132. a secondary combustion chamber; 1321. burning the upper layer of the chamber; 1322. a middle layer of the combustion chamber; 1323. a lower layer of the combustion chamber; 1324. a first baffle plate; 1325. a second baffle plate; 133. a tertiary combustion chamber; 134. a first smoke exhaust channel; 135. a second smoke exhaust channel; 14. a heat-insulating layer; 16. a furnace inner container; 17. a main burner; 18. a furnace door; 21. an air duct; 22. a tuyere; 23. a heat exchange unit; 31. a smoke exhaust pipe; 311. a first cigarette receiving port; 312. a second cigarette receiving port; 32. a first induced draft fan; 33. an underground flue; 34. a second induced draft fan; 40. a chimney; 41. a blower; 42. a venturi ejector tube.

Detailed Description

The utility model will now be described in further detail with reference to the accompanying drawings and examples, which are simplified schematic drawings and illustrate only the basic structure of the utility model in a schematic manner, and thus show only the constituents relevant to the utility model.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

As shown in fig. 1, fig. 2 and fig. 3, a cremator with double negative pressure flue gas discharging devices according to a preferred embodiment of the present invention includes a cremator body, a preheating device, double negative pressure flue gas discharging devices, and a chimney 40.

The cremation machine body comprises a furnace shell 11, a furnace wall 12, a hearth 13, a heat-insulating layer 14, a furnace inner container 16, a main burner 17 and a furnace door 18.

The furnace shell 11 is made of stainless steel integrally and comprises a front bracket, a rear bracket, two side brackets and a top bracket; a furnace wall 12 is arranged in the furnace shell 11, and the furnace wall 12 is made of refractory materials and heat-insulating materials; the hearth 13 is arranged in the center of the cremation machine body and is a horizontal hearth for incinerating corpses, the top of the hearth 13 is arched, a heat-insulating layer 14 and a furnace inner container 16 are arranged in the hearth 13, the heat-insulating layer 14 is attached to the inner wall of the furnace wall 12, the furnace inner container 16 is arranged on the inner side of the heat-insulating layer 14, and the heat-insulating layer 14 and the furnace inner container 16 are spaced to form an interlayer; the furnace liner 16 is made of high-temperature-resistant and corrosion-resistant high-manganese materials, so that the heat preservation effect of the hearth 13 is better, and meanwhile, the collapse of the hearth 13 caused by corrosion and peeling of refractory materials is avoided, and the whole furnace liner can be replaced. The front part of the hearth 13 is provided with a main burner 17, the main burner 17 is connected with a diesel oil purifier, a digital meter and an oil tank, and when the remains are incinerated, the angle of the burner can be automatically or manually adjusted according to the burning condition of the remains, so that the part which is difficult to burn is fully burnt. The back of the hearth 13 is provided with a furnace door 18, an operation hole 131 is arranged below the main burner 17 at the front part of the hearth 13, the operation hole 131 is communicated with the bottom of the hearth 13, the operation hole 131 is covered by a sealing cover 130, and after the incineration of remains is finished, the bone ash is taken out through the operation hole 131.

Preheating device includes tuber pipe 21, heat transfer unit 23 and locate a plurality of tuyeres 22 in furnace 13, this heat transfer unit 23 is hollow fire-resistant prefab, it is efficient to absorb heat, high temperature resistant, corrosion-resistant, heat transfer unit 23 is located the intermediate layer between heat preservation 14 and the furnace inner bag 16, tuber pipe 21 one end stretches into heat preservation 14 inboard along the arch-shaped face inboard of oven 12 and communicates with heat transfer unit 23, the tuber pipe 21 other end is connected with fan (not shown), these a plurality of tuyeres 22 are located the furnace inner bag 16 and communicate with heat transfer unit 23. During the use, start the fan, the air gets into and gets into heat transfer unit 23 after preheating at the arch crown of oven 12 along tuber pipe 21, and heat transfer unit 23 receives the interior flame of furnace 13 to toast, and its inside preheated air is heated to higher temperature again, in furnace 13 is blown by tuyere 22 under the pressure of fan, has reduced the consumption to the energy when the air preheats in the cremation process, reaches the effect that economizes on fuel, effectively improves the burning speed of corpse.

The two sides of the furnace 13 are provided with the secondary combustion chambers 132, the secondary combustion chambers 132 are communicated with the furnace 13 through the first smoke exhaust channel 134, each secondary combustion chamber 132 comprises a combustion chamber upper layer 1321, a combustion chamber middle layer 1322 and a combustion chamber lower layer 1323, a first baffle plate 1324 is arranged between the combustion chamber upper layer 1321 and the combustion chamber middle layer 1322, a second baffle plate 1325 is arranged between the combustion chamber middle layer 1322 and the combustion chamber lower layer 1323, the first baffle plate 1324 and the second baffle plate 1325 are arranged in a staggered mode, smoke flows out through the first smoke exhaust channel 134 and enters the secondary combustion chamber 132, and the smoke flows from the combustion chamber upper layer 1321 to the combustion chamber lower layer 1323 and bypasses for 180 degrees twice, so that the smoke is combusted more fully in the secondary combustion chamber 132.

A tertiary combustion chamber 133 is arranged right below the hearth 13, the secondary combustion chamber 132 is communicated with the tertiary combustion chamber 133 through a second smoke exhaust channel 135, the tertiary combustion chamber 133 is communicated with a chimney 40 through an underground flue 33, auxiliary burners (not shown) are arranged in the secondary combustion chamber 132 and the tertiary combustion chamber 133, and a Venturi ejector pipe 42 communicated with an air blower 41 is arranged in the chimney 40.

The double-negative-pressure smoke discharge device comprises a smoke discharge pipe 31, a first induced draft fan 32 and a second induced draft fan 34, wherein the first induced draft fan 32 and the second induced draft fan 34 are both high-temperature resistant fans.

An air inlet of the first induced draft fan 32 is connected with the smoke exhaust pipe 31, and an air outlet of the first induced draft fan 32 is communicated with the underground flue 33 through a pipeline; the smoke exhaust pipe 31 is located on the outer side of the hearth 13 and extends in a bent U shape, one end of the smoke exhaust pipe 31 is located on the front side of the cremation machine body and is provided with a plurality of first smoke collecting ports 311 at positions facing the operation hole 131, the other end of the smoke exhaust pipe 31 is located on the rear side of the cremation machine body and is provided with a plurality of second smoke collecting ports 312 at positions facing the furnace door 18, smoke at the operation hole 131 and the furnace door 18 is discharged to the underground flue 33 through the smoke exhaust pipe 31 and the first induced draft fan 32 in time, the position of the hearth 13 close to the operation hole 131 and the furnace door 18 is in a negative pressure state, and carbon monoxide and dust leakage is prevented. The air inlet of the second induced draft fan 34 is communicated with the tertiary combustion chamber 133, the air outlet of the second induced draft fan 34 is communicated with the underground flue 33, so that waste gas generated by combustion in the tertiary combustion chamber 133 is pumped to the underground flue 33 through the second induced draft fan 34, the tertiary combustion chamber 133 is in a negative pressure state, smoke is enabled to flow from the secondary combustion chamber 132 to the tertiary combustion chamber 133, the smoke is further enabled to flow from the hearth 13 to the secondary combustion chamber 132, and the smoke is enabled to be combusted more fully before being discharged through the chimney 40.

The above descriptions of the embodiments of the present invention, which are not related to the above description, are well known in the art, and may be implemented by referring to the well-known technologies.

In light of the foregoing description of the preferred embodiments of the present invention, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (4)

1. The utility model provides a take cremation machine of two negative pressure fume emission device which characterized in that: the double-negative-pressure smoke discharging device comprises a cremation machine body, a double-negative-pressure smoke discharging device and a chimney, wherein the cremation machine body comprises a furnace shell, a furnace wall, a hearth, a main burner and a furnace door, the furnace shell is made of stainless steel and comprises a front support, a rear support, two side supports and a top frame; the furnace wall is arranged in the furnace shell, the hearth is arranged in the center of the cremation machine body and is a horizontal hearth for incinerating corpses, the top of the hearth is arched, the front part of the hearth is provided with a main burner, the rear part of the hearth is provided with a furnace door, an operation hole is arranged below the main burner at the front part of the hearth and is communicated with the bottom of the hearth, and the operation hole is covered by a sealing cover;

two sides of the hearth are provided with secondary combustion chambers, the secondary combustion chambers are communicated with the hearth through a first smoke exhaust channel, a tertiary combustion chamber is arranged under the hearth and is communicated with the tertiary combustion chamber through a second smoke exhaust channel, the tertiary combustion chamber is communicated with a chimney through an underground flue, and a Venturi ejector pipe communicated with an air blower is arranged in the chimney;

the double-negative-pressure smoke discharge device comprises a smoke discharge pipe, a first induced draft fan and a second induced draft fan, wherein an air inlet of the first induced draft fan is connected with the smoke discharge pipe, and an air outlet of the first induced draft fan is communicated with the underground flue through a pipeline; the smoke exhaust pipe is located the furnace outside and is the U-shaped extension of buckling, and smoke exhaust pipe one end is located cremation machine body front side and is being equipped with a plurality of first receipts cigarette mouths in the position that faces the handle hole, and the smoke exhaust pipe other end is located cremation machine body rear side and is being equipped with a plurality of second receipts cigarette mouths in the position that faces the furnace gate, the income wind gap and the cubic combustion chamber intercommunication of second draught fan, the air outlet and the underground flue intercommunication of second draught fan.

2. The cremation machine with double negative pressure fume discharging device of claim 1, wherein: the cremation machine body further comprises a heat preservation layer and a furnace inner container, the heat preservation layer and the furnace inner container are arranged in the hearth, the heat preservation layer is attached to the inner wall of the furnace wall, the furnace inner container is arranged on the inner side of the heat preservation layer, and the heat preservation layer and the furnace inner container form an interlayer at intervals.

3. The cremation machine with double negative pressure fume discharging device of claim 2, wherein: still include preheating device, preheating device includes tuber pipe, heat transfer unit and locates a plurality of tuyeres in the furnace, and this heat transfer unit is hollow fire-resistant prefab, and in heat transfer unit located the intermediate layer between heat preservation and the stove inner bag, tuber pipe one end stretched into the heat preservation inboard along the archwise face of oven to the inboard and communicate with heat transfer unit, and the tuber pipe other end is connected with the fan, a plurality of tuyeres are located the stove inner bag and are communicated with heat transfer unit.

4. The cremation machine with double negative pressure fume discharging device of claim 1, wherein: the secondary combustion chamber comprises a combustion chamber upper layer, a combustion chamber middle layer and a combustion chamber lower layer, a first baffle plate is arranged between the combustion chamber upper layer and the combustion chamber middle layer, a second baffle plate is arranged between the combustion chamber middle layer and the combustion chamber lower layer, and the first baffle plate and the second baffle plate are arranged in a staggered mode.

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