CN211290060U

CN211290060U - Cremation machine using coal bed gas as clean energy

Info

Publication number: CN211290060U
Application number: CN201922220748.3U
Authority: CN
Inventors: 于洪亮
Original assignee: GAOMI BLUE GULL MACHINERY TECHNOLOGY CO LTD
Current assignee: GAOMI BLUE GULL MACHINERY TECHNOLOGY CO LTD
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-08-18
Anticipated expiration: 2029-12-12

Abstract

A cremator taking coal bed gas as clean energy comprises an incinerator body, a gas combustion box and a coal bed gas mixing device, the utility model discloses in through communicating air conduit, low concentration coal bed gas conduit, high concentration coal bed gas conduit and gas mixer to mix coal bed gas, guarantee to mix coal bed gas of various concentrations into the clean energy suitable for burning, guarantee to reach the calorific value requirement and can fully burn; the first combustion chamber, the second combustion chamber, the third combustion chamber and the fourth combustion chamber are arranged to carry out multi-stage reburning on the smoke generated in the incinerator body, so that the combustible gas in the smoke is fully combusted; through setting up the air guide plate, can prolong the flow path of flue gas to can produce the cushioning effect to the flow of flue gas, make the flue gas dwell longer time in the gas combustion case, thereby effectively improve the reburning effect of gas combustion case to the flue gas.

Description

Cremation machine using coal bed gas as clean energy

Technical Field

The utility model relates to a cremation machine technical field specifically is an use cremation machine of coal bed gas as clean energy.

Background

The remains cremation is a folk-style and folk-custom quite strong remains treatment process, and the whole treatment process is required to fully respect the wishes of relatives of the bereaved persons and cannot frighten the deceased persons, such as: catching corpses, turning corpses and the like, and not irritating relatives, cremators are equipment used in the cremation process, and the cremators are also called cremators, incinerators and the like. Most of the existing cremators use diesel as fuel.

Most of the existing cremation machines only have a main combustion chamber and a reburning chamber, gas is insufficiently combusted in the combustion process, some harmful gases such as dense smoke and sulfur dioxide are easily generated, the flue gas generated by burning has higher temperature, the direct discharge can not only lead to the waste of energy, but also easily causes thermal pollution to the external environment.

The above background disclosure is only provided to aid in understanding the concepts and technical solutions of the present invention, and it does not necessarily belong to the prior art of the present patent application, and it should not be used to assess the novelty and inventive step of the present application without explicit evidence that the above content has been disclosed at the filing date of the present patent application.

Disclosure of Invention

The utility model aims to solve the problems and provide a cremation machine using coal bed gas as clean energy.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a cremation machine taking coal bed gas as clean energy comprises an incinerator body, a gas combustion box, a heat recovery box and a coal bed gas mixing device, wherein the coal bed gas mixing device comprises a gas mixer, an air pipeline, a low-concentration coal bed gas pipeline, a high-concentration coal bed gas pipeline, a controller and a mixed gas pipeline, one end of the mixed gas pipeline is communicated with the gas mixer, and the other end of the mixed gas pipeline extends into the incinerator body; a corpse carrier is arranged in the incinerator body, a first burner is fixed on the outer wall of one side of the incinerator body through a bolt, one ends of two connecting rods are welded on the other side of the incinerator body, a heat recovery box is welded on the other end of each connecting rod, and the gas combustion box is welded on the outer wall of the top of the incinerator body; first baffle plates, second baffle plates, third baffle plates and fourth baffle plates are fixed in the gas combustion box in an equidistance staggered manner, a first combustion chamber is formed between the first baffle plates and the inner wall of the gas combustion box, a second combustion chamber is formed between the first baffle plates and the second baffle plates, a third combustion chamber is formed between the second baffle plates and the third baffle plates, a fourth combustion chamber is formed between the third baffle plates and the fourth baffle plates, a second combustor, a third combustor, a fourth combustor and a fifth combustor are respectively fixed on one sides of the outer wall of the top of the gas combustion box, which are close to the first combustion chamber, the second combustion chamber, the third combustion chamber and the fourth combustion chamber, a plurality of gas guide plates are fixed on opposite sides of the inner wall of the gas combustion box, the first baffle plates, the second baffle plates, the third baffle plates and the fourth baffle plates in an equidistance staggered manner, and bumps are welded on the outer walls of the bottoms of the gas guide plates; the heat recovery case is connected through the connecting pipe with gas combustion bottom of the case portion, and the bent pipe is located the inside of heat recovery case, and bent pipe one end is connected with the output of oxygen supply pump, and the bent pipe other end is connected with burning furnace body and is stretched into inside burning furnace body.

In the utility model, the air pipeline, the low-concentration coal bed gas pipeline, the high-concentration coal bed gas pipeline and the gas mixer are communicated to mix the coal bed gas, so that the coal bed gas with various concentrations is mixed into clean energy suitable for combustion, and the heat value requirement is met and the coal bed gas can be fully combusted; the first combustion chamber, the second combustion chamber, the third combustion chamber and the fourth combustion chamber are arranged to carry out multi-stage reburning on the smoke generated in the incinerator body, so that the combustible gas in the smoke is fully combusted; through setting up the air guide plate, can prolong the flow path of flue gas to can produce the cushioning effect to the flow of flue gas, make the flue gas dwell longer time in the gas combustion case, thereby effectively improve the reburning effect of gas combustion case to the flue gas.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of a cremator using coal bed gas as clean energy according to a preferred embodiment of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is a schematic sectional view of the incinerator body in FIG. 1;

FIG. 4 is a schematic diagram of the construction of the filtration chamber of FIG. 1;

in the figure: 1. an incinerator body; 11. a first burner; 2. a gas combustion box; 20. a first baffle plate; 201. a first combustion chamber; 202. a second combustor; 21. a second baffle; 211. a second combustion chamber; 212. a third burner; 22. a third baffle plate; 221. a third combustion chamber; 222. a fourth burner; 23. a fourth baffle; 231. a fourth combustion chamber; 232. a fifth burner; 24. a gas guide plate; 241. a bump; 3. a heat recovery tank; 31. a connecting rod; 32. a connecting pipe; 33. a curved pipe; 34. an oxygen supply pump; 35. an air outlet pipe; 40. a refractory cement layer; 41. a heat-insulating layer; 42. a hard brick layer; 5. a corpse car; 6. a coal bed gas blending device; 61. a gas mixer; 611. a mixing chamber; 612. a flow conductor; 613. a first separator; 614. an annular distribution pipe; 615. an exhaust port; 616. a second separator; 617. a circular hole; 62. an air duct; 621. a first air intake solenoid valve; 622. a first check valve; 63. a low concentration coal bed gas pipeline; 631. a second air intake solenoid valve; 632. a second one-way valve; 64. a high concentration coal bed gas pipeline; 641. a third intake solenoid valve; 642. a third check valve; 65. a controller; 66. a mixed gas pipeline; 661. an exhaust solenoid valve; 67. a heat value meter; 68. an oxygen analyzer; 7. a dust removal device; 71. a dust removal box; 72. a dust removal chamber; 73. a water inlet; 74. a water delivery pipeline; 75. an atomizing spray head; 76. an exhaust hole; 77. a filter assembly; 771. a water storage chamber; 772. sewage leakage holes; 773. a water outlet; 774. a filtration chamber; 775. a filter plate; 776. a drain hole; 777. a handle; 778. the filter fixing base.

Detailed Description

The invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and illustrate, by way of illustration only, the basic structure of the invention, and which therefore show only the constituents relevant to the invention.

As shown in fig. 1 to 4, the cremation machine using coal bed methane as clean energy according to a preferred embodiment of the present invention includes an incinerator body 1, a gas combustion box 2, a heat recovery box 3, a coal bed methane mixing device 6, and a dust removing device 7.

The coal bed gas blending device 6 comprises a gas mixer 61, an air pipeline 62, a low-concentration coal bed gas pipeline 63, a high-concentration coal bed gas pipeline 64, a controller 65 and a mixed gas pipeline 66. The gas mixer 61 has a cylindrical shape, and the controller 65 is provided on the outer side wall of the gas mixer 61. The air pipeline 62, the low-concentration coal bed gas pipeline 63 and the high-concentration coal bed gas pipeline 64 are all communicated with the gas mixer 61, and coal bed gas with different concentrations is mixed. One end of the mixed gas pipeline 66 is communicated with the gas mixer 61, the other end of the mixed gas pipeline 66 extends into the incinerator body 1 and is communicated with the incinerator body 1, and the mixed coal bed gas is discharged from the gas mixer 61 through the mixed gas pipeline 66 and enters the incinerator body 1. Be equipped with first air inlet solenoid valve 621 on the air pipe 62, be equipped with second air inlet solenoid valve 631 on the low concentration coal bed gas pipeline 63, high concentration coal bed gas pipeline 64 is equipped with third air inlet solenoid valve 641, first air inlet solenoid valve 621, second air inlet solenoid valve 631 and third air inlet solenoid valve 641 all with controller 65 signal connection. The other end of the mixed gas pipeline 66 is provided with an exhaust solenoid valve 661, the gas mixer 61 is provided with a heat value instrument 67 and an oxygen analyzer 68, and the exhaust solenoid valve 661, the heat value instrument 67 and the oxygen analyzer 68 are in signal connection with the controller 65. A mixing chamber 611 is provided in the gas mixer 61, and the mixing chamber 611 is provided with a flow guiding body 612 and a first partition 613. An inlet of an air pipeline 62, an inlet of a low-concentration coal-bed gas pipeline 63 and an inlet of a high-concentration coal-bed gas pipeline 64 are arranged in the mixing cavity 611. The flow guiding body 612 is fixed on the inner sidewall of the mixing chamber 611, and the first partition 613 is horizontally disposed inside the gas mixer 61. The coal bed gas is mixed by communicating the air pipeline 62, the low-concentration coal bed gas pipeline 63 and the high-concentration coal bed gas pipeline 64 with the gas mixer 61, the concentration of the coal bed gas is reduced after the high-concentration coal bed gas is mixed with the air, and the concentration of the high-concentration coal bed gas is ensured to reach a preset value through the analysis of the heat value instrument 67 and the oxygen analyzer 68, so that the heat value requirement is ensured to be met and the coal bed gas can be fully combusted; the low-concentration coal bed gas and the high-concentration coal bed gas are mixed to improve the concentration of the low-concentration coal bed gas, so that the low-concentration coal bed gas is convenient to mine and use, the concentration of the low-concentration coal bed gas meets the heat value requirement, and the combustion is facilitated. The controller 65 receives numerical information fed back by the heat value meter 67 and the oxygen analyzer 68, controls the first air inlet electromagnetic valve 621, the second air inlet electromagnetic valve 631 and the third air inlet electromagnetic valve 641, inputs various gases into the mixing cavity 611, and uniformly mixes the gases through the flow guiding effect of the flow guiding body 612, so that the blending concentration of the coal bed gas is more accurate by matching with the use of the first partition plate 613, and the coal bed gas with various concentrations is mixed into clean energy suitable for combustion.

When the coal bed gas mixing device 6 is used, high-concentration coal bed gas is mixed, the first gas inlet electromagnetic valve 621 and the third gas inlet electromagnetic valve 641 are opened, the coal bed gas is mixed, the heat value meter 67 and the oxygen analyzer 68 feed collected data back to the controller 65, the controller 65 controls the first gas inlet electromagnetic valve 621 and the third gas inlet electromagnetic valve 641, and the exhaust electromagnetic valve 661 is opened to exhaust qualified mixed coal bed gas after the concentration and the heat value of the mixed coal bed gas meet requirements; when low-concentration coal bed gas is blended, the second air inlet electromagnetic valve 631 and the third air inlet electromagnetic valve 641 are opened, the controller 65 controls the opening and closing degree of the second air inlet electromagnetic valve 631 and the third air inlet electromagnetic valve 641 according to collected data of the heat value meter 67 and the oxygen analyzer 68, and after the blended coal bed gas reaches a specified heat value and concentration, the controller 65 controls the exhaust electromagnetic valve 661 to be opened to exhaust the blended coal bed gas.

In order to ensure uniform mixing, an annular distribution pipe 614 is arranged in the mixing cavity 611, the annular distribution pipe 614 is fixed on the inner side wall of the gas mixer 61, the flow guide body 612 is arranged at the center of the annular distribution pipe 614, the air pipeline 62, the low-concentration coal bed gas pipeline 63 and the high-concentration coal bed gas pipeline 64 are communicated with the annular distribution pipe 614, the annular distribution pipe 614 is uniformly provided with an air outlet 615, coal bed gas and air with different concentrations are firstly conveyed into the annular distribution pipe 614, primarily mixed gas is discharged through the air outlet 615, and further mixing is performed under the flow guide effect of the flow guide body 612.

In order to ensure even blending and accurate blending gas concentration, the inlet of the air pipeline 62 is provided with a first one-way valve 622, the inlet of the low-concentration coal-bed gas pipeline 63 is provided with a second one-way valve 632, and the inlet of the high-concentration coal-bed gas pipeline 64 is provided with a third one-way valve 642. When high-concentration coal bed gas needs to be mixed, the second one-way valve 632 is in a closed state, so that mixed gas is prevented from entering the low-concentration coal bed gas pipeline 63 and being mixed with gas in the low-concentration coal bed gas pipeline 63, and uniform mixing and mixing accuracy are guaranteed; when low concentration coal bed gas needs to be mixed, the first one-way valve 622 is closed, and the effect of mixing can be achieved only by controlling the gas flow of the low concentration coal bed gas and the high concentration coal bed gas.

In order to ensure the accuracy of the blending concentration, a second partition plate 616 is further arranged in the gas mixer 61, the heat value meter 67 and the oxygen analyzer 68 are arranged between the first partition plate 613 and the second partition plate 616, a plurality of circular holes 617 are radially arranged on the first partition plate 613 and the second partition plate 616, after the gas is stabilized by the first partition plate 613, the gas concentration is uniform, and the data acquisition of the heat value meter 67 and the oxygen analyzer 68 can be more accurate.

Be provided with fortune corpse car 5 in the incinerator body 1, one side outer wall of incinerator body 1 has first combustor 11 through the bolt fastening, and the welding of the top outer wall of incinerator body 1 has gas combustion box 2. First baffle plates 20, second baffle plates 21, third baffle plates 22 and fourth baffle plates 23 are fixed in the gas combustion box 2 in an equidistance and staggered manner, a first combustion chamber 201 is formed between the first baffle plates 20 and the inner wall of the gas combustion box 2, a second combustion chamber 211 is formed between the first baffle plates 20 and the second baffle plates 21, a third combustion chamber 221 is formed between the second baffle plates 21 and the third baffle plates 22, and a fourth combustion chamber 231 is formed between the third baffle plates 22 and the fourth baffle plates 23. The second burner 202, the third burner 212, the fourth burner 222 and the fifth burner 232 are fixed to the top outer wall of the gas combustion box 2 at one side close to the first combustion chamber 201, the second combustion chamber 211, the third combustion chamber 221 and the fourth combustion chamber 231 by bolts. A plurality of air guide plates 24 are fixed on the inner wall of the gas combustion box 2, the opposite sides of the first baffle plate 20, the second baffle plate 21, the third baffle plate 22 and the fourth baffle plate 23 in an equidistance staggered manner through bolts, that is, the air guide plates 24 are arranged on the opposite sides of the first combustion chamber 201, the second combustion chamber 211, the third combustion chamber 221 and the fourth combustion chamber 231. As shown in fig. 2, the bottom outer wall of the air guide plate 24 is welded with bumps 241 at equal intervals. The incineration flue gas is subjected to multi-stage reburning through the arrangement of the first combustion chamber 201, the second combustion chamber 211, the third combustion chamber 221 and the fourth combustion chamber 231, so that the combustible gas in the flue gas is fully combusted. The flow path of the flue gas can be prolonged through the gas guide plate 24, and the flow of the flue gas can be buffered, so that the flue gas stays in the gas combustion box 2 for a longer time, and the reburning effect of the gas combustion box 2 on the flue gas is increased. One ends of two connecting rods 31 are welded on the other side of the incinerator body 1, and the other ends of the connecting rods 31 are welded with the heat recovery box 3. As shown in FIG. 3, the incinerator body 1 and the gas combustion box 2 both comprise a refractory cement layer 40 and an insulating layer 41, and a hard brick layer 42 is laid outside the insulating layer 41.

The heat recovery tank 3 is connected to the bottom of the gas combustion tank 2 through a connection pipe 32, and the heat recovery tank 3 is communicated with the fourth combustion chamber 231. The curved pipe 33 is positioned inside the heat recovery box 3, two ends of the curved pipe 33 extend to the outside of the heat recovery box 3, one end of the curved pipe 33 is connected with the output end of the oxygen supply pump 34 through a screw, and the other end of the curved pipe 33 is connected with the incinerator body 1 and extends into the incinerator body 1. Start oxygen supply pump 34 and carry out the oxygen suppliment, the air can be through bent pipe 33 through heat recovery case 3, and the flue gas after the burning gives the air with partly heat conduction, and the air after the heating lets in incinerator body 1 in, realizes carrying out the part to the heat and retrieves, and one side of heat recovery case 3 is passed through the fix with screw and is had outlet duct 35.

The dust removing device 7 is connected with the air outlet pipe 35 of the heat recovery box 3, and the dust removing device 7 comprises a dust removing box 71, a dust removing chamber 72, a water inlet 73, a water pipeline 74, an atomizing nozzle 75, a plurality of air exhaust holes 76 and a filtering component 77. Dust removal case 71 and heat recovery case 3 are connected through outlet duct 35 between, and the inside top of dust removal case 71 is seted up dust removal cavity 72, dust removal cavity 72 one end top is seted up water inlet 73, water pipe 74 is installed to water inlet 73 bottom, and atomizing nozzle 75 is installed to water pipe 74 bottom equidistance, for the sealing performance who improves between water pipe 74 and the atomizing nozzle 75, the embedding is installed between water pipe 74 and the atomizing nozzle 75 and is sealed rubber circle, and dust removal cavity 72 one end equidistance is seted up a plurality ofly exhaust hole 76.

A filter assembly 77 is installed below the dust removing chamber 72, and the filter assembly 77 includes a water storage chamber 771, a sewage leakage hole 772, a water discharge port 773, a filter chamber 774, a filter plate 775, and a water discharge hole 776. The top end of the water storage chamber 771 is provided with sewage leakage holes 772 at equal intervals, one end of the water storage chamber 771 is provided with a water outlet 773, and one end of the water outlet 773 is provided with a filtering chamber 774. In order to facilitate the disassembly of the filtering chamber 774 and the replacement of the filtering chamber 774, the filtering chamber 774 is fixedly connected with the water outlet 773 through threads, a filtering plate 775 is arranged inside the filtering chamber 774, in order to facilitate the disassembly and the replacement of the filtering plate 775, the filtering chamber 774 is connected with the filtering plate 775 through threads, and one end of the filtering plate 775 is provided with a handle 777. In order to ensure that the filter plate 775 is more stably and firmly fixed and the filtering effect of the filter plate 775 is improved, a filter plate fixing seat 778 is arranged at the bottom end inside the filtering chamber 774, and one end of the filtering chamber 774 is provided with drain holes 776 at equal intervals.

The utility model discloses during the use, start exhaust solenoid valve 661 and first combustor 11 on the gas mixture pipeline 66, can carry out the cremation to the corpse on the fortune corpse car 5, burn in the flue gas that produces gets into gas combustion box 2, start second combustor 202, third combustor 212, fourth combustor 222 and fifth combustor 232, through first combustion chamber 201, second combustion chamber 211, third combustion chamber 221 and fourth combustion chamber 231, carry out multistage reburning to burning the flue gas, make the combustible gas burning in the flue gas abundant. Can prolong the distance that the flue gas flows through air guide plate 24 to can produce the cushioning effect to the flow of flue gas, make the flue gas dwell longer time in gas combustion case 2, increase the reburning effect of gas combustion case 2 to the flue gas. The oxygen supply pump 34 is started to supply oxygen, the air passes through the heat recovery box 3 through the curved pipe 33, the flue gas after combustion conducts part of heat to the air, and the heated air is introduced into the incinerator body 1 to realize the partial recovery of the heat. In the process of cremation of remains, the generated flue gas contains more dust, the flue gas enters the dust removal box 71 through the air outlet pipe 35 of the heat recovery box 3, clean water is introduced into the water inlet 73, the atomizing spray head 75 sprays the clean water in a mist state to form a water curtain, when the flue gas containing more dust passes through the water curtain, the dust in the flue gas is adsorbed by the clean water, so that the dust content of the discharged flue gas is lower, then the clean water carrying the dust enters the water storage chamber 771 through the sewage leakage hole 772, when the sewage passes through the filtering chamber 774, the dust in the sewage is absorbed by the filter plate 775 in the filtering chamber 774 to remove the dust in the sewage, then the clean water is discharged without causing greater pollution to the water environment, when the filter plate 775 absorbs more dust to cause the reduction of the filtering capacity, the filter plate 775 is replaced, is convenient and quick.

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

In light of the foregoing, 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 invention. 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

1. The utility model provides an use cremation machine of coal bed gas as clean energy which characterized in that: the coal bed gas mixing device comprises a gas mixer, an air pipeline, a low-concentration coal bed gas pipeline, a high-concentration coal bed gas pipeline, a controller and a mixed gas pipeline, wherein one end of the mixed gas pipeline is communicated with the gas mixer, and the other end of the mixed gas pipeline extends into the incinerator body; a corpse carrier is arranged in the incinerator body, a first burner is fixed on the outer wall of one side of the incinerator body through a bolt, one ends of two connecting rods are welded on the other side of the incinerator body, a heat recovery box is welded on the other end of each connecting rod, and the gas combustion box is welded on the outer wall of the top of the incinerator body; first baffle plates, second baffle plates, third baffle plates and fourth baffle plates are fixed in the gas combustion box in an equidistance staggered manner, a first combustion chamber is formed between the first baffle plates and the inner wall of the gas combustion box, a second combustion chamber is formed between the first baffle plates and the second baffle plates, a third combustion chamber is formed between the second baffle plates and the third baffle plates, a fourth combustion chamber is formed between the third baffle plates and the fourth baffle plates, a second combustor, a third combustor, a fourth combustor and a fifth combustor are respectively fixed on one sides of the outer wall of the top of the gas combustion box, which are close to the first combustion chamber, the second combustion chamber, the third combustion chamber and the fourth combustion chamber, a plurality of gas guide plates are fixed on opposite sides of the inner wall of the gas combustion box, the first baffle plates, the second baffle plates, the third baffle plates and the fourth baffle plates in an equidistance staggered manner, and bumps are welded on the outer walls of the bottoms of the gas guide plates; the heat recovery case is connected through the connecting pipe with gas combustion bottom of the case portion, and the bent pipe is located the inside of heat recovery case, and bent pipe one end is connected with the output of oxygen supply pump, and the bent pipe other end is connected with burning furnace body and is stretched into inside burning furnace body.

2. The cremation machine using coal bed gas as clean energy according to claim 1, wherein: the air pipe is provided with a first air inlet electromagnetic valve, the low-concentration coal bed gas pipe is provided with a second air inlet electromagnetic valve, the high-concentration coal bed gas pipe is provided with a third air inlet electromagnetic valve, the other end of the mixed gas pipe is provided with an exhaust electromagnetic valve, the gas mixer is provided with a heat value instrument and an oxygen analyzer, and the first air inlet electromagnetic valve, the second air inlet electromagnetic valve, the third air inlet electromagnetic valve, the exhaust electromagnetic valve, the heat value instrument and the oxygen analyzer are all connected with the controller through signals.

3. The cremation machine using coal bed gas as clean energy according to claim 2, wherein: be equipped with the hybrid chamber in the gas mixer, the hybrid chamber is equipped with baffle and first baffle, be equipped with air conduit entry, low concentration coal bed gas pipeline entry, high concentration coal bed gas pipeline entry in the hybrid chamber, the baffle is fixed on the inside wall of hybrid chamber, and first baffle level sets up in the gas mixer.

4. The cremation machine using coal bed gas as clean energy according to claim 3, wherein: the air pipeline inlet is provided with a first one-way valve, the low-concentration coal bed gas pipeline inlet is provided with a second one-way valve, and the high-concentration coal bed gas pipeline inlet is provided with a third one-way valve.

5. The cremation machine using coal bed gas as clean energy according to claim 4, wherein: still be equipped with the second baffle in the gas mixer, calorific value appearance and oxygen analysis appearance set up between first baffle and second baffle, all radially be equipped with a plurality of round holes on first baffle and the second baffle.

6. The cremation machine using coal bed gas as clean energy according to claim 3, wherein: be equipped with annular distribution pipe in the mixing chamber, annular distribution pipe fixes on gas mixer's inside wall, and the baffle is established at annular distribution pipe central point and is put, air conduit, low concentration coal bed gas pipeline and high concentration coal bed gas pipeline all communicate with annular distribution pipe, be equipped with the gas vent on the annular distribution pipe.

7. The cremation machine using coal bed gas as clean energy according to claim 1, wherein: the incinerator body and the gas combustion box both comprise a refractory cement layer and a heat preservation layer, and a hard brick layer is laid outside the heat preservation layer.

8. The cremation machine using coal bed gas as clean energy according to claim 1, wherein: still include dust collector, dust collector includes dust removal case, dust removal cavity, water inlet, conduit, atomizer and a plurality of exhaust hole, and the dust removal case passes through the outlet duct to be connected with the heat recovery case, and the inside top of dust removal incasement portion is seted up dust removal cavity, dust removal cavity one end top is seted up the water inlet, conduit is installed to the water inlet bottom, and atomizer is installed to conduit bottom equidistance, and a plurality ofly is seted up to dust removal cavity one end equidistance the exhaust hole.

9. The cremation machine using coal bed gas as clean energy according to claim 8, wherein: the filter assembly is installed to dust removal cavity below, the filter assembly includes the water storage cavity, the sewage seepage hole, the outlet, filter the cavity, filter and wash port, the sewage seepage hole is seted up to water storage cavity top equidistance, the outlet has been seted up to water storage cavity one end, filter the cavity is installed to outlet one end, filter through screw thread fixed connection between cavity and the outlet, filter cavity internally mounted has the filter, filter through threaded connection between cavity and the filter, and the handle is installed to filter one end, filter the inside bottom of cavity and install the filter fixing base, filter cavity one end equidistance and set up the wash port.