CN117146277A - Dangerous waste incineration pretreatment crushing and mixing conveying system - Google Patents
Dangerous waste incineration pretreatment crushing and mixing conveying system Download PDFInfo
- Publication number
- CN117146277A CN117146277A CN202311302049.8A CN202311302049A CN117146277A CN 117146277 A CN117146277 A CN 117146277A CN 202311302049 A CN202311302049 A CN 202311302049A CN 117146277 A CN117146277 A CN 117146277A
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- crushing
- mixing
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- 238000004056 waste incineration Methods 0.000 title claims abstract description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 52
- 238000007789 sealing Methods 0.000 claims abstract description 33
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 26
- 239000002920 hazardous waste Substances 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims description 47
- 230000005540 biological transmission Effects 0.000 claims description 18
- 239000002699 waste material Substances 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 229910001182 Mo alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- OGSYQYXYGXIQFH-UHFFFAOYSA-N chromium molybdenum nickel Chemical compound [Cr].[Ni].[Mo] OGSYQYXYGXIQFH-UHFFFAOYSA-N 0.000 claims description 3
- 238000004880 explosion Methods 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000013022 venting Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000010799 household hazardous waste Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009323 psychological health Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- 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
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/033—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment comminuting or crushing
-
- 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
- F23G5/50—Control or safety arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to the technical field of hazardous waste rotary kiln incineration pretreatment, in particular to a hazardous waste incineration pretreatment crushing and mixing conveying system, which is characterized by comprising the following components in part by weight: a lifting unit; the sealing unit is arranged at the outlet of the lifting unit; the inlet of the crushing unit is communicated with the outlet of the sealing unit; the inlet of the three-way valve is communicated with the outlet of the crushing unit; the inlet of the mixing unit is communicated with the first outlet of the three-way valve; the inlet of the first conveying unit is communicated with the outlet of the mixing unit; the second conveying unit is arranged at a second outlet of the three-way valve; the output end of the hydraulic unit is connected with the input ends of the sealing unit, the crushing unit, the three-way valve and the mixing unit; and the air outlet of the nitrogen charging unit is communicated with the air inlets of the sealing unit, the crushing unit, the three-way valve, the mixing unit and the first conveying unit. The invention has the advantages of improving the operation safety, the pretreatment effect and the conveying efficiency.
Description
Technical Field
The invention relates to the technical field of hazardous waste rotary kiln incineration pretreatment, in particular to a hazardous waste incineration pretreatment crushing and mixing conveying system.
Background
Along with the vigorous development of national economic construction, more and more industrial hazardous wastes are generated, and the main treatment mode of solid wastes in the domestic hazardous waste industry is rotary kiln incineration at present. Before the dangerous waste enters the rotary kiln, the dangerous waste is completely burnt by pretreatment.
At present, the mode of pretreatment of the hazardous waste rotary kiln mainly comprises the following steps: the materials are crushed by the crusher and then directly enter the incineration pit, are stirred and uniformly mixed by the manual excavator, and then enter the rotary kiln feeding device by the travelling crane grab.
However, the hazardous waste disposal enterprises face the hazardous waste of various industries, and the problems of poor operation environment, frequent safety accidents, uneven material mixing and the like are faced in the incineration production pretreatment section. The physical and psychological health of first-line workers is seriously influenced, and the economic benefit of a disposal enterprise is also influenced due to insufficient combustion caused by uneven material mixing because of extremely high potential safety hazard to a dangerous waste disposal enterprise. Thus, the problem of incinerating pretreatment sections has been solved.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a dangerous waste incineration pretreatment crushing and mixing conveying system, which has the advantages of improving the operation safety, the pretreatment effect and the conveying efficiency.
The technical aim of the invention is achieved by the following technical scheme, namely a dangerous waste incineration pretreatment crushing and mixing conveying system, which comprises:
the lifting unit is used for transporting and lifting the materials to be treated;
the sealing unit is arranged at the outlet of the lifting unit and is used for receiving materials;
the inlet of the crushing unit is communicated with the outlet of the sealing unit and is used for safely crushing materials;
the inlet of the three-way valve is communicated with the outlet of the crushing unit and is used for changing the flow direction of materials;
the inlet of the mixing unit is communicated with the first outlet of the three-way valve and is used for carrying out secondary safe crushing and uniform mixing on materials;
the inlet of the first conveying unit is communicated with the outlet of the mixing unit and is used for conveying materials from the mixing unit to the rotary kiln;
the second conveying unit is arranged at the second outlet of the three-way valve and is used for emergency use so as to convey materials to the dangerous waste pit;
the output end of the hydraulic unit is connected with the input ends of the sealing unit, the crushing unit, the three-way valve and the mixing unit, and is used for providing driving force;
and the air outlet of the nitrogen charging unit is communicated with the sealing unit, the crushing unit, the three-way valve, the mixing unit and the air inlet of the first conveying unit and is used for conveying nitrogen so as to isolate air and provide a safe treatment environment.
In one embodiment, the lifting unit comprises a first roller conveyor, a lifting elevator arranged at the outlet of the first roller conveyor and a clamping plate recovery device arranged at one side of the lifting elevator, and the sealing unit is arranged at the outlet of the lifting elevator.
In one embodiment, the sealing unit includes:
the sealed cabin is arranged at the outlet of the lifting elevator, and the air inlet of the sealed cabin is communicated with the air outlet of the nitrogen charging unit;
the first hydraulic cylinder is connected with the hydraulic unit;
the first gate is movably arranged at the inlet of the sealed cabin, and the first hydraulic cylinder is in transmission connection with the first gate;
the second hydraulic cylinder is connected with the hydraulic unit;
the second gate is movably arranged at the outlet of the sealed cabin, and the second hydraulic cylinder is in transmission connection with the second gate.
In one embodiment, the crushing unit comprises:
a first hydraulic motor connected to the hydraulic unit;
the double-shaft crusher is in transmission connection with the first hydraulic motor, an air inlet of the double-shaft crusher is communicated with an air outlet of the nitrogen charging unit, and an oxygen content detection instrument is further connected to the double-shaft crusher;
the pusher is matched with the double-shaft crusher;
and the shifting guide rail is arranged on one side of the double-shaft crusher and is used for pushing the double-shaft crusher, so that the maintenance is convenient.
In one embodiment, the three-way valve comprises:
the inlet of the valve body is communicated with the outlet of the double-shaft crusher;
the third hydraulic cylinder is connected with the hydraulic unit;
the third gate is movably arranged at the first outlet of the valve body and is in transmission connection with the third hydraulic cylinder;
the fourth hydraulic cylinder is connected with the hydraulic unit;
and the fourth gate is movably arranged at the second outlet of the valve body and is in transmission connection with the fourth hydraulic cylinder.
In one embodiment, the mixing unit is a double shaftless screw mixer, a second hydraulic motor is arranged on one side of the double shaftless screw mixer, the second hydraulic motor is in transmission connection with the double shaftless screw mixer, and a manhole and an observation mirror are further arranged on the double shaftless screw mixer.
In one embodiment, the cutters in the double shaft crusher and the screws in the double shaftless screw mixer are made of nickel-chromium-molybdenum alloy materials.
In one embodiment, the first conveying unit is a shaftless screw conveyor, an air inlet of the shaftless screw conveyor is communicated with an air outlet of the nitrogen charging unit, and the shaftless screw conveyor is driven by a motor.
In one embodiment, the second conveying unit comprises a second roller conveyor and an automatic skip bucket receiver, the automatic skip bucket receiver is arranged at the second outlet of the valve body and used for loading materials, the automatic skip bucket receiver is arranged on the second roller conveyor, and the second roller conveyor drives the automatic skip bucket receiver to move.
In one embodiment, the double-shaft crusher, the valve body and the double-shaftless screw mixer are provided with a nitrogen interface, a steam interface and a dry powder extinguishing interface, and the double-shaft crusher and the double-shaftless screw mixer are provided with explosion venting ports.
The dangerous waste incineration pretreatment crushing and mixing conveying system has the following beneficial effects:
firstly, when the dangerous waste pretreatment working section works, the sealing unit is in a full sealing state to the first conveying unit, so that the tail gas is effectively prevented from overflowing, the working environment of the pretreatment working section is improved, and the working safety of the pretreatment working section is improved;
secondly, on the basis of a fully sealed state, the sealing unit, the crushing unit, the three-way valve, the mixing unit and the first conveying unit are all protected by nitrogen through the nitrogen charging unit, so that the operation safety is further improved, and the occurrence of accidents is reduced;
thirdly, the mixing unit adopts a shaftless double-screw low-rotation-speed mixing structure to carry out secondary crushing on materials, so that the materials are mixed more uniformly;
fourth, the mixing unit and the first conveying unit in the invention both adopt shaftless screws to process and convey materials, so that the problems of long strip loading, material clamping of light throwing objects, blockage and the like are effectively prevented, and the invention can adapt to conveying of most hazardous waste materials and has wider adaptability.
Drawings
FIG. 1 is an overall schematic of the present embodiment;
fig. 2 is a perspective view of the present embodiment;
fig. 3 is a process flow diagram of the present embodiment.
In the figure: 1. a lifting unit; 11. a first roller conveyor; 12. lifting elevator; 13. a card recovery device; 2. a sealing unit; 21. sealing the cabin; 22. a first gate; 23. a second gate; 3. a crushing unit; 4. a three-way valve; 41. a third gate; 42. a fourth gate; 43. a valve body; 5. a mixing unit; 6. a first conveying unit; 7. a second conveying unit; 71. a second roller conveyor; 72. automatic skip bucket receiver; 8. and a hydraulic unit.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" is at least two unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
The dangerous waste incineration pretreatment crushing and mixing conveying system comprises a lifting unit 1, a sealing unit 2, a crushing unit 3, a three-way valve 4, a mixing unit 5, a first conveying unit 6, a second conveying unit 7, a hydraulic unit 8 and a nitrogen charging unit as shown in fig. 1-3.
The lifting unit 1 is used for transporting and lifting materials to be treated; the sealing unit 2 is arranged at the outlet of the lifting unit 1 and is used for receiving materials; the inlet of the crushing unit 3 is communicated with the outlet of the sealing unit 2 and is used for safely crushing materials; the inlet of the three-way valve 4 is communicated with the outlet of the crushing unit 3 and is used for changing the flow direction of materials; the inlet of the mixing unit 5 is communicated with the first outlet of the three-way valve 4 and is used for carrying out secondary safe crushing and uniform mixing on materials; the inlet of the first conveying unit 6 is communicated with the outlet of the mixing unit 5 and is used for conveying materials from the mixing unit 5 to the rotary kiln; the second conveying unit 7 is arranged at a second outlet of the three-way valve 4 and is used for emergency use so as to convey materials to a dangerous waste pit; the output end of the hydraulic unit 8 is connected with the input ends of the sealing unit 2, the crushing unit 3, the three-way valve 4 and the mixing unit 5, and is used for providing driving force; the gas outlet of the nitrogen charging unit is communicated with the gas inlets of the sealing unit 2, the crushing unit 3, the three-way valve 4, the mixing unit 5 and the first conveying unit 6 and is used for conveying nitrogen so as to isolate air, provide a safe treatment environment and prevent fire accidents.
When the dangerous waste pretreatment working section works, the sealing unit 2 to the first conveying unit 6 are in a full-sealing state, so that the tail gas is effectively prevented from overflowing, the working environment of the pretreatment working section is improved, the safety of the pretreatment working section is improved, and on the basis of the full-sealing state, the sealing unit 2, the crushing unit 3, the three-way valve 4, the mixing unit 5 and the first conveying unit 6 are all protected by nitrogen through the nitrogen charging unit, so that the working safety is further improved, and the accidents are reduced;
specifically, as shown in fig. 3, the lifting unit 1 includes a first roller conveyor 11, a lifting elevator 12 installed at an outlet of the first roller conveyor 11, and a card recovery device 13 installed at one side of the lifting elevator 12, and the sealing unit 2 is installed at an outlet of the lifting elevator 12.
In this embodiment, the materials are transported to the lifting elevator 12 by the first roller conveyor 11 by using the clamping plates as units, and the lifting elevator 12 adopts variable frequency control, and has the functions of mechanical stopping, overload detection, stall protection, chain breakage protection and the like, and the weighing function is formulated by the first roller conveyor 11. After the lifting elevator 12 conveys the material to the sealed cabin 21, the empty clamping plate is reset by the lifting elevator 12 and placed in the clamping plate recovery device 13 for recycling.
Specifically, as shown in fig. 3, the sealing unit 2 includes a sealed compartment 21, a first hydraulic cylinder, a first shutter 22, a second hydraulic cylinder, and a second shutter 23.
The sealed cabin 21 is arranged at the outlet of the lifting type elevator 12, and the air inlet of the sealed cabin is communicated with the air outlet of the nitrogen charging unit; the first hydraulic cylinder is connected with the hydraulic unit 8; the first gate 22 is movably arranged at the inlet of the sealed cabin 21, and the first hydraulic cylinder is in transmission connection with the first gate 22; the second hydraulic cylinder is connected with the hydraulic unit 8; the second gate 23 is movably arranged at the outlet of the sealed cabin 21, and the second hydraulic cylinder is in transmission connection with the second gate 23.
In actual production, after the material enters the sealed cabin 21, the first hydraulic cylinder drives the first gate 22 to be closed, the nitrogen charging unit is used for charging nitrogen into the sealed cabin 21 to seal, the oxygen concentration in the sealed cabin 21 is detected to be reduced to meet the index, the second gate 23 is opened, and the material enters the next process.
In particular, the crushing unit 3 comprises a first hydraulic motor, a double shaft crusher, a pusher and a displacement rail.
The first hydraulic motor is connected with the hydraulic unit 8; the double-shaft crusher is in transmission connection with the first hydraulic motor, an air inlet of the double-shaft crusher is communicated with an air outlet of the nitrogen charging unit, and an oxygen content detection instrument is further connected to the double-shaft crusher; the pusher is matched with the double-shaft crusher; the shifting guide rail is arranged on one side of the double-shaft crusher and is used for pushing the double-shaft crusher, so that the maintenance is convenient. When the maintenance is needed, the cutter box on the double-shaft crusher is pushed out through the shift guide rail so as to maintain the cutters in the double-shaft crusher.
In actual operation, the materials reach the double-shaft crusher after passing through the sealing cabin 21, and after the oxygen concentration is further detected to be qualified, the first hydraulic motor drives the double-shaft crusher to start to operate, and the pusher and the double-shaft crusher cooperate to crush the materials.
Specifically, as shown in fig. 3, the three-way valve 4 includes a valve body 43, a third hydraulic cylinder, a third gate 41, a fourth hydraulic cylinder, and a fourth gate 42.
The inlet of the valve body 43 is communicated with the outlet of the double-shaft crusher; the third hydraulic cylinder is connected with the hydraulic unit 8; the third gate 41 is movably arranged at the first outlet of the valve body 43 and is in transmission connection with the third hydraulic cylinder; the fourth hydraulic cylinder is connected with the hydraulic unit 8; the fourth gate 42 is movably disposed at the second outlet of the valve body 43 and is in transmission connection with the fourth hydraulic cylinder. In the present embodiment, the third shutter 41 and the fourth shutter 42 are both turnable shutters.
Specifically, the mixing unit 5 is a double shaftless screw mixer, one side of the double shaftless screw mixer is provided with a second hydraulic motor, the second hydraulic motor is in transmission connection with the double shaftless screw mixer, and the double shaftless screw mixer is also provided with a manhole and an observation mirror.
Under normal operation conditions, after the third hydraulic cylinder drives the third gate 41 to open, the material enters the double shaftless spiral mixer, and when the detected oxygen concentration meets the standard, the second hydraulic motor drives the double shaftless spiral mixer to carry out secondary crushing and uniformly mix the material.
Further, both the cutter in the double-shaft crusher and the screw in the double-shaftless screw mixer are made of nickel-chromium-molybdenum alloy materials. In this embodiment, the first hydraulic motor and the second hydraulic motor are both high torque hydraulic motors.
Specifically, the first conveying unit 6 is a shaftless screw conveyor, an air inlet of the shaftless screw conveyor is communicated with an air outlet of the nitrogen charging unit, and the shaftless screw conveyor is driven by a motor. After the materials are uniformly mixed by the double shaftless spiral mixer, the materials are conveyed to the kiln head of the rotary kiln by the shaftless spiral conveyor in nitrogen atmosphere.
According to the invention, the mixing unit 5 and the first conveying unit 6 are both used for processing and conveying materials by adopting shaftless screws, so that the problems of long strip loading, material clamping of light throwing objects, blockage and the like are effectively prevented, and the device is suitable for conveying most hazardous waste materials and has wider adaptability.
Specifically, as shown in fig. 3, the second conveying unit 7 includes a second roller conveyor 71 and an automatic skip receiver 72, the automatic skip receiver 72 is disposed at a second outlet of the valve body 43 and is used for loading materials, the automatic skip receiver 72 is disposed on the second roller conveyor 71, and the second roller conveyor 71 drives the automatic skip receiver 72 to move. In the present embodiment, the automatic skip receiver 72 is an automatic skip car.
In actual production, when the mixing unit 5 or the first conveying unit 6 fails and needs to be stopped for maintenance, in order not to affect the normal operation of the incinerator, the third gate 41 can be closed, the fourth gate 42 can be opened, the material flows out to the automatic skip receiver 72 through the second outlet of the valve body 43, the second roller conveyor 71 drives the automatic skip receiver 72 to move to the pit, and the automatic skip receiver 72 dumps the material into the pit. The second conveying unit 7 belongs to emergency use and has small influence on the working environment.
Further, the double-shaft crusher, the valve body 43 and the double-shaftless screw mixer are provided with a nitrogen interface, a steam interface and a dry powder fire extinguishing interface, and the double-shaft crusher and the double-shaftless screw mixer are provided with explosion venting ports.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. A hazardous waste incineration pretreatment crushing and mixing conveying system, characterized by comprising:
the lifting unit is used for transporting and lifting the materials to be treated;
the sealing unit is arranged at the outlet of the lifting unit and is used for receiving materials;
the inlet of the crushing unit is communicated with the outlet of the sealing unit and is used for safely crushing materials;
the inlet of the three-way valve is communicated with the outlet of the crushing unit and is used for changing the flow direction of materials;
the inlet of the mixing unit is communicated with the first outlet of the three-way valve and is used for carrying out secondary safe crushing and uniform mixing on materials;
the inlet of the first conveying unit is communicated with the outlet of the mixing unit and is used for conveying materials from the mixing unit to the rotary kiln;
the second conveying unit is arranged at the second outlet of the three-way valve and is used for emergency use so as to convey materials to the dangerous waste pit;
the output end of the hydraulic unit is connected with the input ends of the sealing unit, the crushing unit, the three-way valve and the mixing unit, and is used for providing driving force;
and the air outlet of the nitrogen charging unit is communicated with the sealing unit, the crushing unit, the three-way valve, the mixing unit and the air inlet of the first conveying unit and is used for conveying nitrogen so as to isolate air and provide a safe treatment environment.
2. The hazardous waste incineration pretreatment crushing and mixing conveying system according to claim 1, wherein: the lifting unit comprises a first roller conveyor, a lifting type lifting machine arranged at the outlet of the first roller conveyor and a clamping plate recovery device arranged at one side of the lifting type lifting machine, and the sealing unit is arranged at the outlet of the lifting type lifting machine.
3. The hazardous waste incineration pretreatment crushing and mixing conveying system according to claim 2, wherein the sealing unit comprises:
the sealed cabin is arranged at the outlet of the lifting elevator, and the air inlet of the sealed cabin is communicated with the air outlet of the nitrogen charging unit;
the first hydraulic cylinder is connected with the hydraulic unit;
the first gate is movably arranged at the inlet of the sealed cabin, and the first hydraulic cylinder is in transmission connection with the first gate;
the second hydraulic cylinder is connected with the hydraulic unit;
the second gate is movably arranged at the outlet of the sealed cabin, and the second hydraulic cylinder is in transmission connection with the second gate.
4. A hazardous waste incineration pretreatment crushing and mixing conveying system according to claim 3, wherein the crushing unit comprises:
a first hydraulic motor connected to the hydraulic unit;
the double-shaft crusher is in transmission connection with the first hydraulic motor, an air inlet of the double-shaft crusher is communicated with an air outlet of the nitrogen charging unit, and an oxygen content detection instrument is further connected to the double-shaft crusher;
the pusher is matched with the double-shaft crusher;
and the shifting guide rail is arranged on one side of the double-shaft crusher and is used for pushing the double-shaft crusher, so that the maintenance is convenient.
5. The hazardous waste incineration pretreatment crushing and mixing conveying system according to claim 4, wherein the three-way valve comprises:
the inlet of the valve body is communicated with the outlet of the double-shaft crusher;
the third hydraulic cylinder is connected with the hydraulic unit;
the third gate is movably arranged at the first outlet of the valve body and is in transmission connection with the third hydraulic cylinder;
the fourth hydraulic cylinder is connected with the hydraulic unit;
and the fourth gate is movably arranged at the second outlet of the valve body and is in transmission connection with the fourth hydraulic cylinder.
6. The hazardous waste incineration pretreatment crushing and mixing conveying system according to claim 5, wherein: the mixing unit is a double shaftless screw mixer, one side of the double shaftless screw mixer is provided with a second hydraulic motor, the second hydraulic motor is in transmission connection with the double shaftless screw mixer, and the double shaftless screw mixer is also provided with a manhole and an observation mirror.
7. The hazardous waste incineration pretreatment crushing and mixing conveying system according to claim 6, wherein: the cutters in the double-shaft crusher and the screws in the double-shaftless screw mixer are made of nickel-chromium-molybdenum alloy materials.
8. The hazardous waste incineration pretreatment crushing and mixing conveying system according to claim 6, wherein: the first conveying unit is a shaftless screw conveyor, an air inlet of the shaftless screw conveyor is communicated with an air outlet of the nitrogen charging unit, and the shaftless screw conveyor is driven by a motor.
9. The hazardous waste incineration pretreatment crushing and mixing conveying system according to claim 5, wherein: the second conveying unit comprises a second roller conveyor and an automatic tipping bucket receiver, the automatic tipping bucket receiver is arranged at a second outlet of the valve body and used for loading materials, the automatic tipping bucket receiver is arranged on the second roller conveyor, and the second roller conveyor drives the automatic tipping bucket receiver to move.
10. The hazardous waste incineration pretreatment crushing and mixing conveying system according to claim 7, wherein: the double-shaft crusher, the valve body and the double-shaftless screw mixer are provided with a nitrogen interface, a steam interface and a dry powder extinguishing interface, and the double-shaft crusher and the double-shaftless screw mixer are provided with explosion venting ports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311302049.8A CN117146277A (en) | 2023-10-09 | 2023-10-09 | Dangerous waste incineration pretreatment crushing and mixing conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311302049.8A CN117146277A (en) | 2023-10-09 | 2023-10-09 | Dangerous waste incineration pretreatment crushing and mixing conveying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117146277A true CN117146277A (en) | 2023-12-01 |
Family
ID=88884333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311302049.8A Pending CN117146277A (en) | 2023-10-09 | 2023-10-09 | Dangerous waste incineration pretreatment crushing and mixing conveying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117146277A (en) |
-
2023
- 2023-10-09 CN CN202311302049.8A patent/CN117146277A/en active Pending
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