CN117028993A - Cremation machine fume purification equipment - Google Patents
Cremation machine fume purification equipment Download PDFInfo
- Publication number
- CN117028993A CN117028993A CN202311003302.XA CN202311003302A CN117028993A CN 117028993 A CN117028993 A CN 117028993A CN 202311003302 A CN202311003302 A CN 202311003302A CN 117028993 A CN117028993 A CN 117028993A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- flue gas
- cremator
- air
- heat recovery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003517 fume Substances 0.000 title claims description 6
- 238000000746 purification Methods 0.000 title abstract description 10
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 69
- 239000003546 flue gas Substances 0.000 claims abstract description 69
- 238000011084 recovery Methods 0.000 claims abstract description 45
- 239000007789 gas Substances 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims description 31
- 230000000087 stabilizing effect Effects 0.000 claims description 18
- 239000000779 smoke Substances 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000004020 conductor Substances 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 abstract description 22
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 abstract description 14
- 231100000614 poison Toxicity 0.000 abstract description 7
- 239000003440 toxic substance Substances 0.000 abstract description 7
- 239000002912 waste gas Substances 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 238000005086 pumping Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- 230000000711 cancerogenic effect Effects 0.000 description 2
- 231100000315 carcinogenic Toxicity 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G1/00—Furnaces for cremation of human or animal carcasses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/46—Recuperation of heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/50—Control or safety arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2206/00—Waste heat recuperation
- F23G2206/20—Waste heat recuperation using the heat in association with another installation
- F23G2206/203—Waste heat recuperation using the heat in association with another installation with a power/heat generating installation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chimneys And Flues (AREA)
Abstract
The invention relates to the technical field related to waste gas treatment, and discloses cremator flue gas purification equipment, wherein one side of a cremator is provided with a flue gas outlet, a flue gas exhaust pipe is fixedly connected to the flue gas outlet, a heat recovery box is fixedly connected to the cremator, the flue gas exhaust pipe penetrates through the heat recovery box and is fixedly connected with a gas distribution groove arranged in the heat recovery box, a gas guide pump is fixedly connected to the outer wall of the heat recovery box, the gas inlet end of the gas guide pump is fixedly connected with one end of a connecting pipe arranged in the heat recovery box, the other end of the connecting pipe is fixedly connected with a total connecting groove, and a plurality of groups of gas guide pipes which are uniformly distributed are fixedly connected between the total connecting groove and the gas distribution groove, and the cremator flue gas purification equipment further comprises: the heat distribution component is used for carrying out heat distribution transfer on the flue gas after heat recovery, and the flue gas generated in the earlier stage of equipment combustion is directly returned to the cremation furnace for secondary combustion through the arrangement of the muffler, so that the discharge of dioxin and other highly toxic substances is avoided.
Description
Technical Field
The invention relates to the technical field related to waste gas treatment, in particular to a cremation machine flue gas purifying device.
Background
As is well known, the components contained in the cremator flue gas are quite complex, and especially, the components also contain the carcinogenic component dioxin and other highly toxic substances, so the cremator flue gas purification is particularly important today with increasingly high environmental awareness and health awareness. At present, cremation machine flue gas purification equipment commonly used in China is an activated carbon adsorber, so that dioxin and other highly toxic substances in flue gas are removed through adsorption of activated carbon, and the flue gas is purified.
As is well known, the components contained in the cremator flue gas are quite complex, and especially, the components also contain the carcinogenic component dioxin and other highly toxic substances, so the cremator flue gas purification is particularly important today with increasingly high environmental awareness and health awareness. At present, cremation machine flue gas purification equipment commonly used in China is an activated carbon adsorber, so that dioxin and other highly toxic substances in flue gas are removed through adsorption of activated carbon, and the flue gas is purified.
Disclosure of Invention
The invention aims to provide a cremation machine flue gas purifying device which solves the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
cremator fume purification equipment, cremator one side is provided with the exhaust port, fixedly connected with fume tube on the exhaust port, fixedly connected with heat recovery case on the cremator, fume tube passes heat recovery case fixedly connected with and sets up the gas groove that divides in the heat recovery incasement, fixedly connected with air guide pump on the heat recovery case outer wall, the inlet end fixedly connected with of air guide pump sets up the one end at the connecting pipe in the heat recovery incasement, the other end fixedly connected with total connect the groove of connecting pipe, fixedly connected with multiunit evenly distributed's air duct between total connect the groove and the gas groove still includes: the heat distribution assembly is used for carrying out heat distribution transfer on smoke after heat recovery and comprises a vortex tube, a sealing cylinder is fixedly connected to the outer wall of the vortex tube, a high-pressure air chamber is arranged between the sealing cylinder and the vortex tube, a plurality of groups of air guide holes which are uniformly distributed are formed in the vortex tube, the air guide holes are arranged along the tangential direction of the vortex tube, one side of the high-pressure air chamber is fixedly connected with a pressure stabilizing valve, a pressure tank is fixedly connected to the pressure stabilizing valve, the pressure tank is connected with the air guide pump through a first control valve, an air outlet at one end of the vortex tube is a hot air flow tube, an air outlet at the other end of the vortex tube is a flow tube, the diameter of the cold air flow tube is reduced compared with that of the vortex tube, a first mounting frame is fixedly connected with a backflow stop block in the first mounting frame, the other end of the first air return tube is fixedly connected to an air outlet of the hot air tube, the other end of the cold air flow tube is fixedly connected to an exhaust furnace, the other end of the second air return tube is fixedly connected to the hearth of the cremator, and the other end of the second air return tube is communicated with a hearth of the cremator in parallel connection with the smoke exhaust assembly.
As a further scheme of the invention: the outer wall of the air duct is fixedly connected with a plurality of groups of heat conducting blocks which are uniformly distributed, and the heat conducting blocks and the air duct are made of heat conducting materials.
As a further scheme of the invention: the pressure stabilizing valve comprises a sealing valve fixedly connected to the inner wall of the air outlet of the pressure tank, a second mounting frame fixedly connected to the inner wall of the pressure tank is arranged on one side, close to the pressure tank, of the sealing valve, a sliding rod is connected in the second mounting frame in a sliding mode, one end of the sliding rod is fixedly connected with a sealing block, and the sealing block is matched with the sealing valve.
As a further scheme of the invention: the other end of the sliding rod is fixedly connected with a limit stop, and a spring sleeved on the sliding rod is arranged between the limit stop and the second mounting frame.
As a further scheme of the invention: the bottom of the heat recovery box is provided with a water inlet, and the top of the heat recovery box is provided with a heat discharging opening.
As a further scheme of the invention: the smoke exhaust assembly comprises an exhaust pipe connected in parallel with the second return pipe, and the exhaust pipe is fixedly connected with a filtering chamber.
As still further aspects of the invention: the inside of the exhaust pipe is connected with a third control valve, and a second control valve fixedly connected in a second return pipe is arranged between the cremator and the exhaust pipe.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, firstly, heat in flue gas generated by combustion of the cremator is recovered through the heat recovery component, and the flue gas generated by the combustion early stage of the device is directly returned to the cremator through the arrangement of the muffler for secondary combustion, so that dioxin and other highly toxic substances are fully combusted, the dioxin and other highly toxic substances are prevented from being discharged, and then when the combustion in the hearth enters a development stage, the temperature in the hearth exceeds 800 ℃, the flue gas can be discharged along the exhaust pipe through the control valve, and meanwhile, the heat is separated from the flue gas through the arrangement of the vortex tube, so that the heat recovery efficiency of the device is improved, the cooling speed of the hearth is accelerated, the use interval of the hearth is shortened, and the working efficiency of the cremator is improved.
Drawings
Fig. 1 is a schematic structural view of a cremator flue gas purifying apparatus in the present invention.
Fig. 2 is a schematic diagram of the internal structure of a cremator flue gas cleaning device according to the present invention.
Fig. 3 is a sectional view of a cremator flue gas cleaning apparatus according to the present invention.
Fig. 4 is a sectional view of a cremator flue gas cleaning apparatus according to the present invention.
Fig. 5 is a partial enlarged view of point a in fig. 4.
Fig. 6 is a first sectional view of a cremator flue gas cleaning apparatus according to the present invention.
Fig. 7 is a second sectional view of a cremator flue gas cleaning apparatus according to the present invention.
In the figure: 1-cremator, 2-smoke outlet, 3-smoke outlet, 4-heat recovery box, 5-water inlet, 6-heat discharge opening, 7-air dividing groove, 8-total receiving groove, 9-air duct, 10-heat conducting block, 11-connecting pipe, 12-air duct, 13-pressure tank, 14-first control valve, 15-pressure stabilizing valve, 16-vortex tube, 17-sealing cylinder, 18-high pressure air chamber, 19-air duct, 20-cold air flow tube, 21-first mounting frame, 22-backflow check block, 23-sealing valve, 24-second mounting frame, 25-slide rod, 26-limit check block, 27-spring, 28-sealing block, 29-first air return tube, 30-second air return tube, 31-second control valve, 32-hot air flow tube, 33-exhaust tube, 34-filter chamber, 35-third control valve, 36-heat dividing component.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art without making any inventive effort, based on the embodiments of the present invention fall within the scope of the present invention, and the present invention will be described in detail below with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 7, in an embodiment of the present invention, a cremator flue gas purification apparatus includes a cremator 1, one side of the cremator 1 is provided with a flue gas outlet 2, a flue gas pipe 3 is fixedly connected to the flue gas outlet 2, a heat recovery tank 4 is fixedly connected to the cremator 1, a water inlet 5 is provided at the bottom of the heat recovery tank 4, a heat exhaust port 6 is provided at the top of the heat recovery tank 4, the flue gas pipe 3 passes through the heat recovery tank 4 and is fixedly connected to a gas distribution tank 7 provided in the heat recovery tank 4, a gas guide pump 12 is fixedly connected to an outer wall of the heat recovery tank 4, an air inlet end of the gas guide pump 12 is fixedly connected to one end of a connecting pipe 11 provided in the heat recovery tank 4, the other end of the connecting pipe 11 is fixedly connected to a total connecting groove 8, a plurality of groups of evenly distributed gas guide pipes 9 are fixedly connected between the total connecting groove 8 and the gas distribution tank 7, a plurality of groups of evenly distributed heat guide blocks 10 are fixedly connected to the outer wall of the gas guide pipes 9, the heat guide blocks 10 and the gas guide pipes 9 are made of materials such as brass, aluminum, and the present invention further includes: the heat-separating component 36 for separating heat from the heat recovered flue gas, the heat-separating component 36 comprises a vortex tube 16, a sealing cylinder 17 is fixedly connected to the outer wall of the vortex tube 16, a high-pressure air chamber 18 is arranged between the sealing cylinder 17 and the vortex tube 16, a plurality of groups of uniformly distributed air guide holes 19 are arranged in the vortex tube 16, the air guide holes 19 are arranged along the tangential direction of the vortex tube 16, one side of the high-pressure air chamber 18 is fixedly connected with a pressure stabilizing valve 15, the pressure stabilizing valve 15 is fixedly connected with a pressure tank 13, the pressure tank 13 is connected with an air guide pump 12 through a first control valve 14, an air outlet at one end of the vortex tube 16 is a hot air flow tube 32, an air outlet at the other end of the vortex tube 16 is a cold air flow tube 20, the diameter of the cold air flow tube 20 is reduced compared with that of the vortex tube 16, a first mounting frame 21 is fixedly connected in the hot air flow tube 32, a backflow stop 22 is fixedly connected to the first mounting frame 21, the invention discloses a flue gas burning furnace, which is characterized in that one end of a first muffler 29 is fixedly connected at the air outlet of a hot air flow pipe 32, the other end of the first muffler 29 is fixedly connected on a flue gas exhaust pipe 3, the air outlet end of a cold air flow pipe 20 is fixedly connected with a second muffler 30, the other end of the second muffler 30 is fixedly connected in a cremator 1 and communicated with a hearth of the cremator 1, an exhaust pipe 33 is connected in parallel with the second muffler 30, a filter chamber 34 is fixedly connected on the exhaust pipe 33, a third control valve 35 is connected in the exhaust pipe 33, a second control valve 31 fixedly connected in the second muffler 30 is arranged between the cremator 1 and the exhaust pipe 33, flue gas generated in the cremator 1 firstly enters a decomposition tank along the flue gas exhaust pipe 3 and then enters a plurality of groups of air guide pipes 9 along the air distribution tank 7, at the moment, heat in the flue gas is absorbed by equipment through the arrangement of the air guide pipes 9 and a heat conducting block 10, and transferred to the water body in the heat recovery tank 4, thereby heating the water body in the heat recovery tank 4, the water vapor generated by heating is discharged into the heat energy utilization equipment along the heat discharging opening 6, thereby heat recovery is carried out, meanwhile, the flue gas after heat recovery enters the total connecting groove 8 and then enters the pressure tank 13 under the pumping of the air guide pump 12, the gradually pumping pressure of the air in the pressure tank 13 is gradually increased along with the gradual pumping pressure of the air, along with the pressure increase, the pressure difference is generated at the two sides of the pressure stabilizing valve 15, when the pressure difference exceeds the pressure limit of the pressure stabilizing valve 15, the pressure valve is opened, the high-pressure air in the pressure tank 13 enters the high-pressure air chamber 18 along the pressure stabilizing valve 15, then enters the vortex tube 16 through the air guide hole 19, at the moment, because the air guide hole 19 is arranged along the tangential direction of the vortex tube 16, the high-pressure air is injected into the vortex tube 16 along the tangential direction of the vortex tube 16, thereby forming a rotary vortex, at this time, the temperature of the gas in the direction of the vortex close to the inner wall of the vortex tube 16 is higher, the temperature of the gas in the direction close to the center of the vortex tube 16 is lower, then when the vortex moves to the position of the backflow stop 22, the gas in the direction of the vortex close to the inner wall of the vortex tube 16 flows into the first air return pipe 29 along the gap between the backflow stop 22 and the vortex tube 16, flows back into the smoke exhaust pipe 3 along the first air return pipe 29 so as to circularly flow along the smoke exhaust pipe 3, thereby carrying out secondary heat recovery, increasing the heat recovery efficiency of the device, the gas in the position close to the center of the vortex tube 16 reversely flows into the cold air flow pipe 20 under the blocking of the vortex tube 16 and flows into the second air return pipe 30 along the cold air flow pipe 20, and when the cremator 1 is not ignited, the device firstly opens the first control valve 14, the second control valve 31 is closed, then remains are put into the hearth of the cremator 1, and then closing the furnace door, spraying fuel and combustion-supporting gas into the furnace chamber, igniting, entering an initial stage in the furnace chamber, at the moment, burning the furnace chamber in a local area, wherein the fire is unstable, the temperature is not high, the temperature in the furnace chamber and the temperature of remains cannot reach 800 ℃ rapidly, a large amount of dioxin is very easy to generate in the stage, at the moment, the flue gas generated by burning can flow back into the furnace chamber through the arrangement of the second muffler 30, thereby carrying out secondary combustion on the dioxin in the flue gas, avoiding the dioxin from being discharged along the flue gas, then when the combustion in the furnace chamber enters a development stage, the combustion area is enlarged, the combustion speed is accelerated, at the moment, the temperature in the furnace chamber exceeds 800 ℃, at the moment, the combustion can not generate dioxin any more, the second control valve 31 is closed, at the moment, the low-temperature flue gas after heat recovery is carried out along the exhaust pipe 33, sundries in the flue gas are filtered simultaneously, at the moment, after the furnace chamber enters the stage through the vigorous combustion, the second muffler 30, the organic matter is burnt completely, at the moment, the third control valve 35 is closed again, the second control valve 31 is opened, the second control valve is opened, the second combustion device is directly is carried out along the furnace chamber, the temperature is increased, the temperature is reduced, the waste heat is reduced, and the waste heat is recovered from the furnace chamber is cooled, and the furnace is cooled down, and the furnace is the furnace chamber is cooled, and the waste heat is directly, the furnace is cooled, and the furnace is 1.
In one case of this embodiment, referring to fig. 1 to 7, the pressure stabilizing valve 15 includes a sealing valve 23 fixedly connected to an inner wall of an air outlet of the pressure tank 13, a second mounting frame 24 fixedly connected to the inner wall of the pressure tank 13 is disposed on a side of the sealing valve 23 close to the pressure tank 13, a sliding rod 25 is slidably connected to the second mounting frame 24, a sealing block 28 is fixedly connected to one end of the sliding rod 25, the sealing block 28 is matched with the sealing valve 23, a limit stop 26 is fixedly connected to the other end of the sliding rod 25, a spring 27 sleeved on the sliding rod 25 is disposed between the limit stop 26 and the second mounting frame 24, the pressure stabilizing valve 15 elastically pushes the limit stop 26 through the arrangement of the spring 27, and the limit stop 26 elastically pushes and pulls the sealing block 28 through the sliding rod 25, so that pressure is closed between the sealing block 28 and the sealing valve 23, then when a pressure difference between two sides of the sealing block 28 is greater than an elastic pushing force of the spring 27, the spring 27 compresses, the sealing block 28 is separated from the sealing valve 23 under the pushing of the pressure difference, and the sealing block 23 is opened.
The working principle of the invention is as follows: in the invention, the flue gas generated in the cremator 1 firstly enters the decomposing tank along the smoke exhaust pipe 3, then enters the multiple groups of air guide pipes 9 along the air dividing tank 7, at the moment, the equipment absorbs the heat in the flue gas through the arrangement of the air guide pipes 9 and the heat conducting blocks 10 and transmits the heat to the water in the heat recovery tank 4, thereby heating the water in the heat recovery tank 4, the water vapor generated by heating is discharged into the heat energy utilization equipment along the heat discharging opening 6, thereby heat recovery is carried out, the flue gas after heat recovery enters the total receiving tank 8, then enters the pressure tank 13 under the pumping of the air guide pump 12, at the moment, the pressure difference is generated at the two sides of the pressure stabilizing valve 15 along with the gradual increase of the pumping pressure of the air, after the pressure difference is larger than the pressure limit of the pressure stabilizing valve 15, the pressure valve is opened, at the moment, the high-pressure air in the pressure tank 13 is discharged into the pressure stabilizing valve 15 along the pressure stabilizing valve 15, after entering the high-pressure air chamber 18 and then entering the vortex tube 16 through the air guide hole 19, at this time, because the air guide hole 19 is arranged along the tangential direction of the vortex tube 16, high-pressure air is injected into the vortex tube 16 along the tangential direction of the vortex tube 16, so as to form a rotary vortex, at this time, the temperature of air in the direction of the vortex close to the inner wall of the vortex tube 16 is higher, the temperature of air in the direction close to the center of the vortex tube 16 is lower, then when the vortex moves to the position of the reflux stop 22, the air in the direction of the vortex close to the inner wall of the vortex tube 16 flows into the first air return pipe 29 along the gap between the reflux stop 22 and the vortex tube 16, flows back into the smoke exhaust pipe 3 along the first air return pipe 29 so as to circularly flow along the smoke exhaust pipe 3, so as to perform secondary heat recovery, thereby increasing the heat recovery efficiency of the equipment, and the air in the center position close to the vortex tube 16 is blocked by the vortex tube 16 and reversely flows into the cold air flow pipe 20, and flow into in the second muffler 30 along the air conditioning flow pipe 20, and when not igniting in the cremator 1, equipment is firstly with first control valve 14, second control valve 31 open, the third control valve 35 is closed, afterwards put into the furnace of cremator 1 with the remains, afterwards closed furnace gate, again with fuel and combustion-supporting gas spray into the furnace in, and ignite, get into initial stage in the furnace at this moment, furnace burning goes on in the local area, the fire is not stable enough, the temperature is also not high, the temperature in the furnace and the temperature of remains can't reach 800 ℃ fast, this stage very easily produces a large amount of dioxin, can carry out the secondary combustion with the flue gas reflux that produces in the flue gas through the setting of second muffler 30 in this moment, in order to avoid dioxin along the flue gas discharge in the flue gas, afterwards, the combustion area enlarges when the combustion in the furnace enters the development stage, the combustion speed is accelerated, the temperature exceeds 800 ℃ at this moment, the combustion can not produce the dioxin again in the furnace at this moment, can be closed with second control valve 31, the third control valve 35 is opened, the temperature is also not high enough, the temperature is fast reached through the exhaust pipe 33 along the combustion chamber, thereby can's temperature is fast in the furnace chamber is cut off, the flue gas is directly is discharged into to the combustion chamber through the exhaust pipe 33, and the flue gas is discharged into the combustion chamber through the low temperature control valve in the combustion chamber, thereby the flue gas is recovered through the temperature-recovering the exhaust valve is fast, the flue gas is cooled down stage is in the stage, and after the flue gas is cooled down, and the flue gas is recovered, and can be recovered, and the flue gas is cooled down, and the temperature is high.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (8)
1. The utility model provides a cremator flue gas purifying equipment, includes cremator, its characterized in that, cremator one side is provided with the exhaust port, fixedly connected with exhaust pipe on the exhaust port, fixedly connected with heat recovery case on the cremator, exhaust pipe passes heat recovery case fixedly connected with and sets up the branch air duct in the heat recovery incasement, fixedly connected with air guide pump on the heat recovery case outer wall, the inlet end fixedly connected with of air guide pump sets up the one end at the connecting pipe in the heat recovery incasement, the other end fixedly connected with total connect the groove of connecting pipe, fixedly connected with multiunit evenly distributed's air duct between total connect groove and the branch air duct still includes: the heat distribution assembly is used for carrying out heat distribution transfer on smoke after heat recovery and comprises a vortex tube, a sealing cylinder is fixedly connected to the outer wall of the vortex tube, a high-pressure air chamber is arranged between the sealing cylinder and the vortex tube, a plurality of groups of air guide holes which are uniformly distributed are formed in the vortex tube, the air guide holes are arranged along the tangential direction of the vortex tube, one side of the high-pressure air chamber is fixedly connected with a pressure stabilizing valve, a pressure tank is fixedly connected to the pressure stabilizing valve, the pressure tank is connected with the air guide pump through a first control valve, an air outlet at one end of the vortex tube is a hot air flow tube, an air outlet at the other end of the vortex tube is a flow tube, the diameter of the cold air flow tube is reduced compared with that of the vortex tube, a first mounting frame is fixedly connected with a backflow stop block in the first mounting frame, the other end of the first air return tube is fixedly connected to an air outlet of the hot air tube, the other end of the cold air flow tube is fixedly connected to an exhaust furnace, the other end of the second air return tube is fixedly connected to the hearth of the cremator, and the other end of the second air return tube is communicated with a hearth of the cremator in parallel connection with the smoke exhaust assembly.
2. The cremator flue gas cleaning apparatus according to claim 1, wherein a plurality of groups of evenly distributed heat conducting blocks are fixedly connected to the outer wall of the gas guide tube.
3. A cremator flue gas cleaning apparatus according to claim 2, wherein the heat conducting block and the air duct are made of a heat conducting material.
4. The cremator flue gas purifying apparatus according to claim 1, wherein the pressure stabilizing valve comprises a sealing valve fixedly connected to an inner wall of the air outlet of the pressure tank, a second mounting frame fixedly connected to the inner wall of the pressure tank is arranged on one side, close to the pressure tank, of the sealing valve, a sliding rod is slidably connected to the second mounting frame, one end of the sliding rod is fixedly connected with a sealing block, and the sealing block is matched with the sealing valve.
5. The cremator flue gas cleaning apparatus according to claim 4, wherein the other end of the slide rod is fixedly connected with a limit stop, and a spring sleeved on the slide rod is provided between the limit stop and the second mounting frame.
6. The cremator flue gas cleaning apparatus of claim 1, wherein the bottom of the heat recovery tank is provided with a water inlet and the top of the heat recovery tank is provided with a heat discharge opening.
7. The cremator flue gas cleaning apparatus of claim 1, wherein the fume extractor assembly comprises an exhaust pipe connected in parallel to the second return pipe, and the exhaust pipe is fixedly connected with the filter chamber.
8. The cremator flue gas cleaning apparatus of claim 7, wherein a third control valve is connected in the exhaust pipe, and a second control valve fixedly connected in a second return pipe is provided between the cremator and the exhaust pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311003302.XA CN117028993A (en) | 2023-08-10 | 2023-08-10 | Cremation machine fume purification equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311003302.XA CN117028993A (en) | 2023-08-10 | 2023-08-10 | Cremation machine fume purification equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117028993A true CN117028993A (en) | 2023-11-10 |
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| CN202311003302.XA Pending CN117028993A (en) | 2023-08-10 | 2023-08-10 | Cremation machine fume purification equipment |
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