CN218721519U - Hazardous waste incinerator feeding device with anti-backfire function - Google Patents
Hazardous waste incinerator feeding device with anti-backfire function Download PDFInfo
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- CN218721519U CN218721519U CN202222600701.1U CN202222600701U CN218721519U CN 218721519 U CN218721519 U CN 218721519U CN 202222600701 U CN202222600701 U CN 202222600701U CN 218721519 U CN218721519 U CN 218721519U
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Abstract
The utility model discloses a useless burning furnace feed arrangement that burns of danger of backfire prevention function is prevented in area, including the useless hopper of danger, the useless screw conveyer of danger, the fire retardant hopper, cylinder impulse type flashboard, the useless supplementary screw conveyer of danger, the useless blanking passageway of danger and furnace feed inlet, the useless screw conveyer of danger sets up in the useless supplementary screw conveyer top of danger, the useless blanking passageway of danger sets up perpendicularly between the useless screw conveyer of danger and the useless supplementary screw conveyer of danger, the useless hopper of danger sets up on the top upper portion of the useless screw conveyer of danger, the fire retardant hopper sets up on the useless terminal upper portion of supplementary screw conveyer of danger, cylinder impulse type flashboard sets up the exit end at the fire retardant hopper, the useless supplementary screw conveyer's of danger exit end links to each other with the furnace feed inlet, the utility model has the advantages of simple structure, operation elasticity is big, the separation is effectual, safe efficient.
Description
Technical Field
The utility model relates to a waste incineration disposal technical field, concretely relates to dangerous useless burning furnace feed arrangement that burns that tempering function is prevented in area.
Background
With the development of society and economy, the quantity and variety of dangerous wastes are increasing, and the dangerous wastes have attracted extensive attention of society and people. The discharge and unreasonable disposal of hazardous waste can be harmful to human health, and in the past, the ecological environment on which human beings rely to live is seriously damaged. Hazardous wastes have become a prominent public nuisance worldwide, and it is urgent to conduct centralized management and comprehensive disposal of hazardous wastes to reduce and eliminate pollution.
When an existing incinerator for disposing hazardous wastes normally operates, a hearth operates under negative pressure, if the incinerator is under a normal working condition, incineration smoke can escape to the outside of the incinerator, the environment and people are harmed, and even if materials exist in a feeder, reverse combustion is easy to cause, and fire is caused. Therefore, new technology, new process and new equipment related to the hazardous waste incinerator become hot spots of current research.
For example, CN213542489U discloses an anti-backfire feeding device for a hazardous waste incinerator, which comprises a shell, wherein a discharging pipe is fixedly arranged at the upper end of the shell, a first separating device is fixedly arranged in the middle of the left side in the shell, a second separating device is fixedly arranged below the first separating device at the left side in the shell, a feeding cylinder is fixedly arranged at the right side of the shell, a wide-mouth mask is fixedly arranged at the upper end of the feeding cylinder, a feeding device is fixedly arranged at the lower end of the feeding cylinder, a discharging pipe is communicated with the right end of the feeding device, a plug is arranged at the lower end of the discharging pipe in a butting manner, a spring is fixedly arranged at the upper end of the plug, the upper end of the spring is fixedly arranged on the discharging pipe, and the lower end of the discharging pipe is communicated with the incinerator; the first separating device and the second separating device in the scheme can keep continuous feeding as far as possible and simultaneously isolate the incinerator from the outside, prevent backfire and ensure the safety of workers, and the feeding device and the blockage can prevent backfire at different positions so as not to influence the work of the device. The method has the disadvantages that the opening and closing time of the first interlayer and the second interlayer needs to be considered, so that the middle sections of the first interlayer and the second interlayer are longer; for the continuity of feeding, materials need to be stacked on the upper part of the feeding screw, and the blockage is easily caused by excessive materials; therefore, the temperature is high, and once the material is blocked, safety accidents (explosion) easily occur in the overhauling process.
Also for example CN111981486A discloses a high sulphur, high halogen hazardous waste feed conveying system and a hazardous waste incineration system. The high sulfur, high halogen hazardous waste feed delivery system, comprising: the crushing device is used for crushing the material to be crushed to form a crushed material; the material pit comprises a bulk material area and a crushed material area, wherein the bulk material area is used for storing materials which do not need to be crushed, and the crushed material area is used for storing the crushed materials; the first feeding and conveying device is used for conveying the materials which do not need to be crushed to the incinerator; and a second feed conveyor for conveying the crushed material to the incinerator. The novel bag crusher avoids shutdown caused by winding of the crusher due to unnecessary crushing of ton bags and woven bags, meanwhile, two materials are respectively conveyed by two sets of feeding conveying devices, so that the feeding efficiency can be improved in a mutually matched mode, the two materials can be mutually reserved under abnormal working conditions, and the shutdown loss is reduced. The disadvantage is that when the blockage occurs, because the materials are not effectively isolated from the high-temperature area, the safety accident (deflagration) is easy to cause.
Also for example, CN111550809A discloses a feeding device and a method for incinerating hazardous waste, wherein the feeding device comprises a feeding hopper, which is positioned at the upper part of the feeding device and is used for pouring materials; the feeding chute is positioned below the feeding hopper and divided into an upper section and a lower section, the feeding chute at the upper section is provided with two horizontal inserting plate steel gates which are arranged in parallel, and a tempering isolation area is formed between the two horizontal inserting plate steel gates; the lower section of the feeding chute is provided with a material pressing door; the material pushing chute is positioned below the feeding chute, a material pushing rod is arranged in the material pushing chute, and the material pushing rod is used for pushing the material falling into the material pushing chute into the incinerator. The defects are that the material control of the gate cannot be continuous, and if the material quantity is not controlled well, the gate is easy to block.
For another example, CN111102580A discloses a feeding system for a rotary kiln hazardous waste incineration device, which comprises a feeding conveyor, a weighing hopper, a first-stage flap valve, a sealed cabin, a second-stage flap valve and a chute; the feeding hopper and the discharging hopper extending into the weighing hopper are mounted on the feeding conveyor, the interlocking linkage first-stage flap valve and the interlocking linkage second-stage flap valve are respectively mounted at the top feeding end and the bottom discharging end of the sealed cabin, the weighing hopper, the sealed cabin and the chute are sequentially and hermetically connected to form an intermittent feeding channel, the discharging end of the chute is inserted into the feeding end of the rotary kiln, and the intermittent feeding channel is longitudinally arranged between the feeding conveyor and the rotary kiln, so that materials are intermittently conveyed through the intermittent feeding channel and slide into the rotary kiln. The invention can ensure smooth feeding of materials and effectively avoid problems of tempering, corrosion and the like, thereby reducing the fault occurrence rate and improving the reliable and efficient operation of the rotary kiln. The defects are that the structure is complex, intermittent feeding is adopted, and the feeding efficiency is low.
Disclosure of Invention
The to-be-solved problem of the utility model is to above not enough, provide a simple structure, operation elasticity is big, and the separation is effectual, safe efficient area prevent the useless incinerator feed arrangement of danger of tempering function.
For solving the above problem, the utility model discloses a technical scheme be: the utility model provides a take useless burning furnace feed arrangement that burns of danger of anti-backfire function, includes the useless screw conveyer of danger hopper, the useless screw conveyer of danger, fire retardant hopper, cylinder impulse type flashboard, the useless supplementary screw conveyer of danger, the useless blanking passageway of danger and furnace feed inlet, the useless screw conveyer setting of danger be in the useless supplementary screw conveyer top of danger, the useless blanking passageway of danger set up perpendicularly the useless screw conveyer of danger with the useless supplementary screw conveyer of danger between, the useless hopper of danger set up the useless screw conveyer's of danger top upper portion, the fire retardant hopper set up the useless supplementary screw conveyer's of danger terminal upper portion, the cylinder impulse type flashboard set up the exit end of fire retardant hopper, the useless supplementary screw conveyer's of danger exit end with the furnace feed inlet link to each other.
As the utility model discloses a preferred embodiment, the useless blanking passageway of danger top with the useless screw conveyer's of danger terminal sub-unit connection, the useless blanking passageway of danger bottom with the useless supplementary screw conveyer's of danger top upper portion connect.
As the utility model discloses an optimal implementation mode, the useless blanking passageway of danger is big end down's structure, can effectively reduce the probability that the material blockked up.
As the utility model discloses a preferred embodiment, the furnace feed inlet for straight section add flaring section, the useless supplementary screw conveyer's of danger afterbody spiral extend to the intersection of straight section and flaring section of furnace feed inlet.
As the preferred embodiment of the utility model, useless screw conveyer of danger maximum transport volume be less than useless auxiliary screw conveyer's of danger maximum transport volume.
As the preferred embodiment of the utility model, useless supplementary screw conveyer of danger be double screw conveyer.
As the preferred embodiment of the utility model, useless screw conveyer of danger be double screw conveyer.
As the preferred embodiment of the utility model, useless supplementary screw conveyer slope of danger set up, make the useless feeding of danger more smooth.
As the preferred embodiment of the utility model, the useless supplementary screw conveyer of danger and the slope contained angle of perpendicular be 30 ~ 70.
The utility model discloses a take dangerous useless burning furnace feed arrangement that burns of anti-backfire function mutually supports through each part, and the synergism, especially useless screw conveyer of danger, the useless supplementary screw conveyer of danger and cylinder impulse type flashboard open, stop the sequential combination and adjust, utilizes the fire retardant to fill the mode of real batcher and completely cuts off the material, has solved furnace and has leaded to the problem of burning because of the malleation, has improved the stability and the operation cycle of burning the system.
In the utility model, the hazardous waste hopper is used for loading hazardous waste; the hazardous waste screw conveyor is used for mainly adjusting the hazardous waste feeding amount; the fire retardant hopper is used for loading fire retardant media, blocking the waste auxiliary screw conveyor in an emergency and preventing the waste auxiliary screw conveyor from being burnt upside down, and solid fire retardants such as quartz sand are preferably selected as the fire retardant media; the cylinder push type flashboard is used for blocking the flame-retardant media and discharging the flame-retardant media into the dangerous waste auxiliary spiral conveyer so as to conveniently block the dangerous waste auxiliary spiral conveyer by using the flame-retardant media in an emergency and prevent the auxiliary spiral conveyer from being burnt upside down; the hazardous waste auxiliary screw conveyor is used for carrying out auxiliary adjustment on the feeding quantity of the hazardous waste and conveying a flame-retardant medium in an emergency state to prevent backfire; the function of the feed inlet of the hearth is to ensure that materials can smoothly enter the hearth.
Compared with the prior art, the utility model has the advantages of it is following:
1. the conveying capacity of the dangerous waste screw conveyor and the dangerous waste auxiliary screw conveyor can be adjusted according to the capacity, and the best effect can be achieved by calculating the reasonable conveying capacity in the actual production;
2. safe high-efficient, through each other cooperation of each part, the synergism, especially dangerous useless screw conveyer, the useless supplementary screw conveyer of danger and cylinder impulse type flashboard utilize to open, stop the combination of order and adjust, have solved the problem of burning upside down, have improved the stability and the operating cycle of burning the system.
3. The separation is effectual, when taking place emergency, can utilize effectively isolated material of solid fire retardant and high temperature region rapidly through fire retardant hopper, cylinder impulse type flashboard, the useless supplementary screw conveyer of danger, furnace feed inlet etc. reduces the possibility of examining and repairing in-process detonation.
4. The operation efficiency is high, and the dangerous waste blanking channel adopts a structure with a small upper part and a large lower part, so that the probability of material blockage is effectively reduced; the feed inlet of the hearth is a straight section added with a flaring, so that materials can smoothly enter the hearth and can be rapidly locked in an emergency state to prevent backfire.
5. The adaptability is strong, and the flame retardant can be changed into flame-retardant bed materials for the fluidized bed incinerator, so that a bed material system is reduced, and the investment is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the feeding device of the hazardous waste incinerator with the anti-backfire function.
In the figure: 1 is the useless hopper of danger, 2 is the useless screw conveyer of danger, 3 are the fire retardant hopper, 4 are cylinder impulse type flashboards, 5 are the useless supplementary screw conveyer of danger, 6 are the useless blanking passageway of danger, 7 are the furnace feed inlet.
Detailed Description
As shown in fig. 1, the utility model discloses a take useless burning furnace feed arrangement that burns of danger of anti-backfire function, including the useless hopper 1 of danger, the useless screw conveyer 2 of danger, fire retardant hopper 3, cylinder impulse type flashboard 4, the useless supplementary screw conveyer 5 of danger, the useless blanking passageway 6 of danger and furnace feed inlet 7, the useless screw conveyer 2 of danger sets up in the useless supplementary screw conveyer 5 top of danger, useless blanking passageway 6 of danger sets up perpendicularly between useless screw conveyer 2 of danger and the useless supplementary screw conveyer 5 of danger, the useless blanking passageway 6 of danger's top and the useless terminal sub-unit connection of screw conveyer 2 of danger, the useless blanking passageway 6 of danger's bottom is connected with the useless supplementary screw conveyer 5's of danger top upper portion, the useless hopper 1 of danger sets up on the useless screw conveyer 2's of danger top upper portion, fire retardant hopper 3 sets up on useless supplementary screw conveyer 5's of danger terminal upper portion, cylinder impulse type flashboard 4 sets up the exit end at fire retardant hopper 3, the useless supplementary screw conveyer 2 of danger exit end links to each other with furnace feed inlet 7.
The utility model discloses a take danger of anti-backfire function to burn burning furnace feed arrangement's work flow does:
and (3) normal working state: the cylinder-push type shutter 4 is in a closed state, and the flame retardant hopper 3 is filled with the solid flame retardant. At first, start the useless supplementary screw conveyer 5 operation of danger, open the useless screw conveyer 2 feeding of danger again, with the material in proper order through useless hopper 1 of danger, the useless screw conveyer 2 of danger, the useless blanking passageway 6 of danger, the useless supplementary screw conveyer 5 of danger, furnace feed inlet 7, get into furnace at last and burn. When normally stopping, at first stop 2 feeding of useless screw conveyer of danger, after the material goes into furnace completely, stop useless auxiliary screw conveyer 5 of danger again.
Emergency stop state: when the furnace malleation surpassed settlement pressure, at first open cylinder impulse type flashboard 4, stop the useless screw conveyer 2 feeding of danger again, keep the useless auxiliary screw conveyer 5 normal operating of danger, get into the useless auxiliary screw conveyer 5 of danger with the solid fire retardant in the fire retardant hopper 3, when the solid fire retardant fills up the useless auxiliary screw conveyer 5's of danger spiral gap, stop the useless auxiliary screw conveyer 5 operation of danger, thereby can utilize solid fire retardant effectively isolated material and high temperature region rapidly, prevent the back combustion.
The present invention will be described in further detail with reference to the following examples, but the present invention is not limited to the examples.
Example 1
The utility model provides a take dangerous useless burning furnace feed arrangement of anti-backfire function, including dangerous waste hopper 1, dangerous useless screw conveyer 2 (double screw conveyer, the maximum transport volume is 5 t/h), fire retardant hopper 3, cylinder impulse type flashboard 4, dangerous useless auxiliary screw conveyer 5 (double screw conveyer, the maximum transport volume is 10 t/h), dangerous useless blanking passageway 6 (big end down's cylinder shape, upper end diameter 0.3m, lower extreme diameter 0.4 m) and furnace feed inlet 7 (straight section adds the flaring section, straight section diameter 0.4m, flaring section major diameter 0.5m, flaring section path 0.4m, dangerous useless screw conveyer 2 sets up in the useless auxiliary screw conveyer 5 top of danger, dangerous useless blanking passageway 6 sets up perpendicularly between dangerous useless screw conveyer 2 and dangerous useless auxiliary screw conveyer 5, the top of useless dangerous passageway 6 is connected with dangerous useless screw conveyer 2's terminal lower part of dangerous waste screw conveyer 2, the bottom of useless blanking passageway 6 is connected with the top of useless auxiliary screw conveyer 5 of dangerous waste auxiliary screw conveyer 5, dangerous waste hopper 1 sets up the perpendicular upper portion that the dangerous waste screw conveyer 2 inclines to the auxiliary screw conveyer 5 upper portion of dangerous flashboard 2, dangerous waste material hopper 4 perpendicular, dangerous waste material feeding hopper extends the perpendicular end of the tail end of dangerous waste auxiliary screw conveyer, dangerous waste material, dangerous waste hopper, dangerous waste cylinder extends the perpendicular end of the tail end of dangerous waste material, dangerous waste hopper, dangerous waste material hopper 4 perpendicular, dangerous waste conveying is more.
Example 2
The utility model provides a take dangerous useless burning furnace feed arrangement of anti-backfire function, including dangerous waste hopper 1, dangerous useless screw conveyer 2 (double screw conveyer, the maximum transmission capacity is 15 t/h), fire retardant hopper 3, cylinder impulse type flashboard 4, dangerous useless auxiliary screw conveyer 5 (double screw conveyer, the maximum transmission capacity is 20 t/h), dangerous useless blanking passageway 6 (big-end-up's square shape, upper end 0.4 mx 0.4m, lower extreme 0.5 mx 0.5 m) and furnace feed inlet 7 (straight section adds the flaring section, straight section diameter 0.5m, flaring section major diameter 0.55m, flaring section path 0.5m, dangerous useless screw conveyer 2 sets up in the useless auxiliary screw conveyer 5 top of dangerous blanking passageway 5, dangerous useless blanking passageway 6 sets up perpendicularly between dangerous useless screw conveyer 2 and useless auxiliary screw conveyer 5, the top and dangerous useless screw conveyer 2's of dangerous useless blanking passageway 6 and dangerous useless terminal lower part connection, the bottom of useless blanking passageway 6 and the useless auxiliary screw conveyer 5 top of dangerous waste screw conveyer 5 and the dangerous waste auxiliary screw conveyer flaring section set up the top of dangerous waste hopper 3 perpendicular auxiliary screw conveyer 5 that the dangerous waste hopper 3 upper portions of dangerous waste auxiliary screw conveyer extends the perpendicular, the perpendicular tail end of dangerous waste hopper, the dangerous waste material hopper sets up the perpendicular discharge port of the dangerous waste screw conveyer 2, the dangerous waste hopper 3 perpendicular discharge port, the dangerous waste hopper 3 upper portion of the dangerous waste auxiliary screw conveyer is more, the dangerous waste hopper, the dangerous waste material hopper 3 perpendicular, the perpendicular discharge port of the dangerous waste hopper, the perpendicular, the dangerous waste material hopper extends the dangerous waste hopper, the perpendicular end, the dangerous waste hopper, the dangerous waste auxiliary screw conveyer tail end of the dangerous waste hopper, the perpendicular end of the dangerous waste auxiliary screw hopper, the dangerous waste hopper 3 is more.
Example 3
A feeding device of a hazardous waste incinerator with an anti-backfire function comprises a hazardous waste hopper 1, a hazardous waste screw conveyor 2 (a double screw conveyor with the maximum conveying capacity of 10 t/h), a flame retardant hopper 3, a cylinder push type flashboard 4, a hazardous waste auxiliary screw conveyor 5 (a double screw conveyor with the maximum conveying capacity of 15 t/h), a hazardous waste blanking channel 6 (a cylinder shape with a small upper part and a big lower part and a diameter of 0.35m at the upper end and a diameter of 0.45m multiplied by 0.45m at the lower end) and a hearth feeding port 7 (a straight section and an expanding section, the diameter of the straight section is 0.45m, the diameter of the expanding section is 0.55m, the diameter of the expanding section is 0.45m, the hazardous waste screw conveyor 2 is arranged above the hazardous waste auxiliary screw conveyor 5, the hazardous waste blanking channel 6 is vertically arranged between the hazardous waste screw conveyor 2 and the hazardous waste auxiliary screw conveyor 5, the useless blanking passageway 6's of danger top and the useless screw conveyer 2's of danger terminal sub-unit connection, the useless blanking passageway 6's of danger bottom and the useless supplementary screw conveyer 5's of danger top upper portion are connected, useless hopper 1 of danger sets up on the useless screw conveyer 2's of danger top upper portion, fire retardant hopper 3 sets up the useless supplementary screw conveyer 5's of danger terminal upper portion, cylinder impulse type flashboard 4 sets up the exit end at fire retardant hopper 3, the useless supplementary screw conveyer 2's of danger afterbody spiral extends to the straight section and the flaring section intersection of furnace feed inlet 7, useless supplementary screw conveyer 5 of danger is 55 with the slope contained angle alpha of perpendicular, make the useless feeding of danger more smooth.
Example 4
A hazardous waste incinerator feeding device with an anti-backfire function comprises a hazardous waste hopper 1, a hazardous waste screw conveyor 2 (a double screw conveyor with the maximum conveying capacity of 25 t/h), a flame retardant hopper 3, a cylinder push type flashboard 4, a hazardous waste auxiliary screw conveyor 5 (a double screw conveyor with the maximum conveying capacity of 30 t/h), a hazardous waste blanking channel 6 (a cylinder shape with a small upper part and a big lower part and a diameter of 0.5m at the upper end and a diameter of 0.6m multiplied by 0.6m at the lower end) and a hearth feeding port 7 (a straight section with an expanding section and a diameter of 0.6m at the straight section, a large diameter of the expanding section and a small diameter of 0.6m at the expanding section), wherein the hazardous waste screw conveyor 2 is arranged above the hazardous waste auxiliary screw conveyor 5, the hazardous waste blanking channel 6 is vertically arranged between the hazardous waste screw conveyor 2 and the hazardous waste auxiliary screw conveyor 5, the useless blanking passageway 6's of danger top and the useless screw conveyer 2's of danger terminal sub-unit connection, the useless blanking passageway 6's of danger bottom and the useless supplementary screw conveyer 5's of danger top upper portion are connected, useless hopper 1 of danger sets up on the useless screw conveyer 2's of danger top upper portion, fire retardant hopper 3 sets up the useless supplementary screw conveyer 5's of danger terminal upper portion, cylinder impulse type flashboard 4 sets up the exit end at fire retardant hopper 3, the useless supplementary screw conveyer 2's of danger afterbody spiral extends to the straight section and the flaring section intersection of furnace feed inlet 7, useless supplementary screw conveyer 5 of danger is 60 with the slope contained angle alpha of perpendicular, make the useless feeding of danger more smooth.
Claims (9)
1. The utility model provides a take useless burning furnace feed arrangement that burns of danger of anti-backfire function, includes the useless screw conveyer of danger, fire retardant hopper, cylinder impulse type flashboard, the useless supplementary screw conveyer of danger, the useless blanking passageway of danger and furnace feed inlet, its characterized in that, the useless screw conveyer setting of danger be in the useless supplementary screw conveyer top of danger, the useless blanking passageway of danger set up perpendicularly the useless screw conveyer of danger with the useless supplementary screw conveyer of danger between, the useless hopper of danger set up the useless screw conveyer's of danger top upper portion, the fire retardant hopper set up the useless supplementary screw conveyer's of danger terminal upper portion, the useless supplementary screw conveyer's of cylinder impulse type flashboard set up the exit end of fire retardant hopper, the useless supplementary screw conveyer's of danger exit end with furnace feed inlet link to each other.
2. A feeding device of a hazardous waste incinerator with fire-back prevention function as claimed in claim 1, wherein the top of said hazardous waste blanking channel is connected to the lower end of said hazardous waste screw conveyor, and the bottom of said hazardous waste blanking channel is connected to the upper part of the beginning of said hazardous waste auxiliary screw conveyor.
3. A feeding device of a hazardous waste incinerator with fire-back prevention function as claimed in claim 1, characterized in that said hazardous waste blanking channel is of a structure with small top and big bottom.
4. A feeding device of a dangerous waste incinerator with a fire-return prevention function as claimed in claim 1, characterized in that said hearth feeding port is a straight section with a flaring section, and the tail part of said dangerous waste auxiliary screw conveyor extends to the intersection of the straight section and the flaring section of said hearth feeding port.
5. A feeding device of a hazardous waste incinerator with fire-back prevention function as claimed in claim 1, characterized in that the maximum conveying capacity of said hazardous waste screw conveyor is less than the maximum conveying capacity of said hazardous waste auxiliary screw conveyor.
6. A feeding device of a hazardous waste incinerator with fire-back prevention function as claimed in claim 1, characterized in that said hazardous waste auxiliary screw conveyor is a double screw conveyor.
7. A feeding device of a hazardous waste incinerator with fire-back prevention function as claimed in claim 1, characterized in that said hazardous waste screw conveyor is a double screw conveyor.
8. A feeding device of a hazardous waste incinerator with fire-back prevention function as claimed in claim 1, characterized in that said hazardous waste auxiliary screw conveyor is inclined.
9. A feeding device of a hazardous waste incinerator with anti-backfire function as claimed in claim 8, characterized in that said auxiliary conveyor is inclined at an angle of 30-70 ° to the vertical plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222600701.1U CN218721519U (en) | 2022-09-30 | 2022-09-30 | Hazardous waste incinerator feeding device with anti-backfire function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222600701.1U CN218721519U (en) | 2022-09-30 | 2022-09-30 | Hazardous waste incinerator feeding device with anti-backfire function |
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| Publication Number | Publication Date |
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| CN218721519U true CN218721519U (en) | 2023-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222600701.1U Active CN218721519U (en) | 2022-09-30 | 2022-09-30 | Hazardous waste incinerator feeding device with anti-backfire function |
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| Country | Link |
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| CN (1) | CN218721519U (en) |
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- 2022-09-30 CN CN202222600701.1U patent/CN218721519U/en active Active
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