CN114893777B - Slag ash environment-friendly treatment device and treatment method for medical waste pyrolysis furnace - Google Patents
Slag ash environment-friendly treatment device and treatment method for medical waste pyrolysis furnace Download PDFInfo
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- CN114893777B CN114893777B CN202210496863.7A CN202210496863A CN114893777B CN 114893777 B CN114893777 B CN 114893777B CN 202210496863 A CN202210496863 A CN 202210496863A CN 114893777 B CN114893777 B CN 114893777B
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- 238000011282 treatment Methods 0.000 title claims abstract description 45
- 239000002906 medical waste Substances 0.000 title claims abstract description 30
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- 238000000034 method Methods 0.000 title claims description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 107
- 239000000428 dust Substances 0.000 claims abstract description 56
- 239000000843 powder Substances 0.000 claims abstract description 35
- 238000012216 screening Methods 0.000 claims abstract description 33
- 238000012545 processing Methods 0.000 claims abstract description 17
- 230000007613 environmental effect Effects 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 61
- 238000001816 cooling Methods 0.000 claims description 23
- 239000004744 fabric Substances 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 14
- 238000012546 transfer Methods 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 7
- 230000000087 stabilizing effect Effects 0.000 claims description 7
- 239000000498 cooling water Substances 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 5
- 230000000717 retained effect Effects 0.000 claims description 5
- 239000013049 sediment Substances 0.000 abstract description 22
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 239000002956 ash Substances 0.000 description 31
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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
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J1/00—Removing ash, clinker, or slag from combustion chambers
- F23J1/06—Mechanically-operated devices, e.g. clinker pushers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/30—Pyrolysing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/20—Medical materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2217/00—Intercepting solids
- F23J2217/10—Intercepting solids by filters
- F23J2217/101—Baghouse type
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The utility model discloses a slag ash environment-friendly treatment device for a medical waste pyrolysis furnace, and belongs to the technical field of medical waste treatment auxiliary equipment. The utility model provides a sediment ash environmental protection processing apparatus for medical waste pyrolysis oven, includes sack dust removal case and coarse slag collecting box, still includes: the coarse slag collecting mechanism is arranged at the front section of the mechanism and is used for collecting coarse slag; the powder slag collecting mechanism is covered on the periphery of the coarse slag collecting mechanism and is communicated with the bag-type dust removing box for collecting powder slag; the coarse slag transferring mechanism is arranged at the rear end of the coarse slag collecting mechanism and is used for transferring coarse slag collected by the coarse slag collecting mechanism; wherein, the periphery of the coarse slag transferring mechanism is covered with a first shell; the vibration screening mechanism is arranged on one side of the coarse slag transferring mechanism, which is far away from the coarse slag collecting mechanism, and is used for screening coarse slag; the coarse slag lifting mechanism is arranged at one side of the vibration screening mechanism, which is far away from the coarse slag transferring mechanism; the utility model realizes the synchronous collection and treatment function of coarse slag and powder slag and has high degree of automation.
Description
Technical Field
The utility model relates to the technical field of medical waste treatment auxiliary equipment, in particular to a slag ash environment-friendly treatment device for a medical waste pyrolysis furnace and a treatment method thereof.
Background
Medical waste refers to contaminated waste produced by medical institutions that come into contact with patient blood, skin, etc., such as used disposable medical instruments, gauze, cotton balls, post-operative waste, etc. Medical waste has strong pollution, the hazard of virus and bacteria carried by the medical waste is tens, hundreds and even thousands times of that of common household waste, and if the medical waste cannot be properly treated, the medical waste can cause serious damage to the ecological environment and even cause the occurrence of pandemic of infectious diseases.
The traditional method for treating medical waste mainly comprises three main types: the first is high temperature treatment such as incineration, pyrolysis, gasification, etc.; the second type is alternative treatments such as chemical sterilization, high temperature and high pressure steam sterilization, dry heat sterilization, microwave treatment, and safe landfill; the third category is innovative technologies such as plasma technology, radiation technology. The prior art is not perfect, the cost is high, a large quantity of medical waste cannot be processed, and the replacement processing cannot be performed on some special waste, and sequelae possibly occur, so that the high-temperature processing is still the main stream of medical waste processing schemes.
In the high-temperature treatment method, the incineration method fully burns by blowing enough air, and then the tail gas tailings are treated by utilizing a flue gas purification device and an ash collecting device, so that the treatment capacity is large, the cost is low, the disadvantage is that the combustion heat is dissipated in the air, and the energy-saving and emission-reduction time requirements are not met; the pyrolysis method is to pyrolyze the medical waste under the condition of high temperature and no oxygen, and break the compound bond of the compound by using heat energy, so that the organic matters with large molecular weight are converted into combustible gas, liquid fuel and coke, thereby not only treating the medical waste, but also recovering the heat, and meeting the time requirements of energy conservation and emission reduction.
In the prior art, the utility model patent with the patent application number of CN201620640985.9 discloses a slag ash removal and dust removal system of a pyrolysis gasifier, which comprises a slag outlet pit buried under the ground, a dust remover arranged on the ground, and a negative pressure pipe connecting the dust remover and the slag outlet pit, wherein slag falling holes for slag falling into the slag outlet pit are formed in the bottoms of a plurality of pyrolysis gasifiers, a plurality of negative pressure holes are formed in the periphery of the inner wall of the slag outlet pit, and slag outlet holes are formed in the bottoms of the slag outlet pits; the dust remover is provided with a dust gas inlet, a dust gas outlet and a dust gas outlet, and the dust gas outlet is connected with a first induced draft fan through a first induced draft pipe; each negative pressure hole is communicated with one end of a negative pressure pipe, and the other end of the negative pressure pipe is connected with the dust gas inlet. The negative pressure dust removing system is started to lead the flying dust into the dust remover for dust removal while deslagging, so that the workshop operation environment is improved and operators are protected from being damaged by the flying dust; on the other hand, the negative pressure holes optimally distributed on the inner wall of the slag hole can uniformly guide the airflow of dust, so that the dust collection effect is better, and the defect still exists:
(1) When deslagging, the cleaning of rough rolling which is not completely broken still needs the participation of operators, the degree of automation of deslagging is poor, and the targeted treatment of the rough slag and the powder slag cannot be carried out, so that the treatment effect is poor;
(2) The excessive slag is stacked in the slag hole to block the dust removing negative pressure hole, and the dust removing performance of the powder slag discharging is linearly reduced.
Among the prior art, the utility model patent application number CN202022292339.7 discloses an automatic ash removal device for garbage pyrolysis furnaces, first support top fixed connection second spring bottom, second spring top fixed connection fixed block bottom, fixed block rear side fixed connection vibrations groove front, vibrations groove right side fixed connection first installation piece left side, first installation piece right side fixed connection first spring left end. This an automatic ash removal device for garbage pyrolysis furnace places the vibrations groove in garbage pyrolysis furnace ash exit, in the vibrations inslot is dropped to the ashes when producing the ashes, the vibration exciter work, drive vibrations inslot vibrations through first spring and second spring cooperation, evenly send the ashes in the vibrations inslot to the conveyer belt, the motor starts and drives driving roll and driven voller through first belt pulley, second belt pulley and belt cooperation and rotate, the conveyer belt removes and carries the ashes quick bring out to the ash and slag clear car, alleviate workman intensity of labour, the clearance time is short ", but still have the defect, the ashes lacks cooling device in the transfer process, the loss of conveyer belt has been aggravated, the ashes in the transfer process lacks cooling device, the loss of conveyer belt has been aggravated.
Disclosure of Invention
The utility model aims to solve the problems that coarse slag and powder slag cannot be treated in a targeted manner in the prior art, so that the treatment effect is poor, excessive slag is stacked in a slag hole to block a dust removing negative pressure hole, and the dust removing performance of the powder slag is reduced in a straight line, and provides a slag ash environment-friendly treatment device for a medical waste pyrolysis furnace.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a sediment ash environmental protection processing apparatus for medical waste pyrolysis oven, includes sack dust removal case and coarse slag collecting box, still includes:
the coarse slag collecting mechanism is arranged at the front section of the mechanism and is used for collecting coarse slag;
the powder slag collecting mechanism is covered on the periphery of the coarse slag collecting mechanism and is communicated with the bag-type dust removing box for collecting powder slag;
the coarse slag transferring mechanism is arranged at the rear end of the coarse slag collecting mechanism and is used for transferring coarse slag collected by the coarse slag collecting mechanism;
wherein,,
the periphery of the coarse slag transferring mechanism is covered with a first shell;
the vibration screening mechanism is arranged on one side of the coarse slag transferring mechanism, which is far away from the coarse slag collecting mechanism, and is used for screening coarse slag;
the coarse slag lifting mechanism is arranged at one side of the vibration screening mechanism, which is far away from the coarse slag transferring mechanism;
wherein,,
the outside of coarse slag lifting mechanism is covered with a third shell, and one side of the third shell, which is far away from the vibration screening mechanism, is communicated with the coarse slag collecting box.
Preferably, the coarse slag transferring mechanism comprises a first conveyer belt driven by an intermittent motor arranged in the first shell through a bracket and a stripping rod uniformly arranged outside the first conveyer belt.
Preferably, the coarse slag trapping mechanism comprises a coupler arranged at the driving end of the first conveying belt, trapping rollers arranged between the couplers, a mounting seat arranged on the outer side wall of the trapping rollers, a rotating shaft rotatably connected to the mounting seat, a trapping rod fixedly connected to the rotating shaft and a torsion spring connected between the mounting seat and the trapping rod and sleeved on the outer wall of the rotating shaft, and the trapping rods and the stripping rods are distributed in a staggered mode.
Preferably, the powder slag trapping mechanism comprises a swing arm, a roller, a first hydraulic telescopic rod, a mounting frame, a hollowed negative pressure air cylinder, a spiral sheet and a negative pressure generating pipe, wherein the swing arm is connected to the outer side wall of the coupler in a rotating mode, the roller is arranged at the swing end of the swing arm, the first hydraulic telescopic rod is movably connected to the middle section of the swing arm and the outer wall of the coupler, the mounting frame is arranged on one side, far away from the coupler, of the swing arm, the hollowed negative pressure air cylinder is arranged on the mounting frame, the spiral sheet is arranged on the outer wall of the hollowed negative pressure air cylinder, and the negative pressure generating pipe is connected between the hollowed negative pressure air cylinder and the cloth bag dust removing box.
Preferably, the vibration screening mechanism comprises a second shell connected between the first shell and the third shell, a vibration screen installed on the inner wall of the second shell, a storage hopper installed at the joint of the second shell and the third shell, and a stripping plate installed at the top end of the vibration screen and staggered with the stripping rod, wherein the bag-type dust collection box is installed on the outer side wall of the second shell.
Preferably, the coarse slag lifting mechanism comprises a second conveying belt arranged in the third shell and a lifting hopper uniformly arranged outside the second conveying belt, and the top of the coarse slag collecting box is opened and is opposite to the blanking port of the coarse slag lifting mechanism.
Preferably, the third shell inner cavity is provided with a hollowed negative pressure air pipe arranged above the second conveyor belt and a negative pressure guide pipe connected between the hollowed negative pressure air pipe and the cloth bag dust removing box through a bracket.
Preferably, the inner cavity of the trapping roller is provided with uniformly distributed cooling pipes, a shunt pipe which is arranged at the end part of the trapping roller and is communicated with the cooling pipes, a booster water tank and a negative pressure water tank which are arranged on the outer side wall of the first shell, a booster water pipe which is connected with the water outlet end of the booster water tank, a negative pressure water pipe which is connected with the water inlet end of the negative pressure water tank, a pressure stabilizing pipe which is connected with the water inlet end of the booster water tank and the water outlet end of the negative pressure water tank, and a shaft seal which is connected between the booster water pipe and the shunt pipe and between the negative pressure water pipe and the shunt pipe.
Preferably, the lateral wall fixedly connected with connecting plate of vibrations screen cloth, the one end that vibrations screen cloth was kept away from to the connecting plate links to each other with first conveyer belt activity, swing joint has the second hydraulic telescoping rod between vibrations screen cloth and the first conveyer belt lateral wall.
A treatment method of a slag ash environment-friendly treatment device for a medical waste pyrolysis furnace comprises the following steps:
s1: the length of the first hydraulic telescopic rod which is stretched is adjusted according to the depth of slag in the furnace body, when the depth of the slag in the furnace body is overlarge, the first hydraulic telescopic rod contracts, the included angle between the swinging arm and the coupler is reduced, the supporting length of the swinging arm and the roller is enlarged, the slag removing work under the condition that slag is piled up deeply can be adapted, then the first hydraulic telescopic rod is gradually controlled to stretch along with the reduction of the depth after slag treatment, and the supporting length of the swinging arm and the roller is reduced, so that the slag removing work under the condition of different depths of slag piling up is adapted;
s2: the method comprises the steps that an intermittent motor on a coarse slag transferring mechanism is started, a first conveying belt is driven to intermittently move, meanwhile, a collecting roller is driven to intermittently rotate through a coupler, a collecting rod connected with the outer wall is driven to collect coarse slag hidden in slag while the collecting roller intermittently rotates, when the collecting rod touches the bottom wall of a furnace body, the collecting rod drives a rotating shaft to rotate along a mounting seat, meanwhile, a torsion spring is tightened, when the collecting rod collects coarse slag at the bottom, the collecting rod is separated from the bottom wall of the furnace body, the torsion spring is rebounded to reset, the coarse slag collected by the coarse slag is balanced, and the collecting and processing functions of the coarse slag are realized;
s3: the captured coarse slag stays between the capturing rods, at the moment, cooling water in the pressurized water tank flows to the diversion pipe rotationally connected with the shaft seal through the pressurized water pipe and flows to the cooling pipe, the cooling pipe takes away heat of the coarse slag staying on the capturing rods, then the cooling water after heat exchange flows to the negative pressure water tank through the negative pressure water pipe for cooling, and flows to the pressurized water tank through the pressure stabilizing pipe for recycling, so that the cooling treatment function of the coarse slag is realized, and the use stability of the first conveying belt is guaranteed;
s4: the coarse slag trapped by the coarse slag trapping mechanism is conveyed to the bottom end of the first conveying belt through the trapping roller, and as the trapping rods and the stripping rods are arranged in a staggered manner, the stripping rods are driven to circularly pass through the trapping rods along with the advancing of the first conveying belt, and meanwhile, the coarse slag retained on the trapping rods is transferred to the stripping rods on the first conveying belt and is transferred to the joint of the first conveying belt and the vibration screening mechanism along with the first conveying belt;
s5: the coarse slag stripped by the stripping rod is conveyed to the top end of the vibrating screen through the first conveying belt, stripped by the stripping plates staggered with the stripping rod and transferred to the vibrating screen, and the coarse slag is screened out and transferred to the storage hopper through screening of the vibrating screen, so that screening of the coarse slag is realized;
s6: after the screened coarse slag enters the storage hopper, a second conveyer belt is started at the same time, and the second conveyer belt drives the lifting hopper to transfer the screened coarse slag into the coarse slag collecting box, so that the coarse slag treatment work is completed;
s7: the method comprises the steps that when coarse slag is trapped, a negative pressure pump on a negative pressure generating pipe is started to generate negative pressure, and then a hollow negative pressure air cylinder is driven to generate negative pressure, and as the hollow negative pressure air cylinder is surrounded on the outer side of a coarse slag trapping mechanism, the collection function of scattered powder slag during coarse slag trapping is realized, a spiral sheet arranged on the outer side wall of the hollow negative pressure air cylinder can prevent blockage, the dust collection function is realized, dust generated in the coarse slag collection process is prevented from being scattered, and the collected powder slag is guided into a cloth bag dust box through the negative pressure generating pipe, so that the powder slag treatment function is realized;
s8: in the process of lifting and boxing the coarse slag, the hollow negative pressure air pipe arranged in the third shell attracts slag ash generated in the second shell and the third shell to the cloth bag dust removing box for treatment under the attraction of the negative pressure guide pipe, so that slag ash dissipation in the coarse slag treatment process is effectively avoided.
Compared with the prior art, the utility model provides the slag ash environment-friendly treatment device for the medical waste pyrolysis furnace, which has the following beneficial effects:
1. this a sediment ash environmental protection processing apparatus for medical waste pyrolysis oven through the swing angle of swing arm of first hydraulic telescoping rod control, has realized the regulatory function of swing arm and gyro wheel's support length to the sediment work of scarfing cinder under the accumulational different degree of depth situation of adaptation slag.
2. This a sediment ash environmental protection processing apparatus for medical waste pyrolysis oven through the coarse slag entrapment mechanism that sets up, has realized the entrapment processing function of coarse slag, has solved the problem that coarse slag remains when the clear sediment ash of negative pressure suction among the prior art.
3. This a sediment ash environmental protection processing apparatus for medical waste pyrolysis oven through the cooling tube that sets up, has realized the coarse sediment and has waited the cooling function of transferring in-process, has solved among the prior art in the furnace ash transfer process lack cooling device, has aggravated the problem of the loss of conveying the area.
4. This a sediment ash environmental protection processing apparatus for medical waste pyrolysis oven has realized the concentrated collection function of thick sediment through thick sediment transfer mechanism and the thick sediment elevating system that sets up.
5. This a sediment ash environmental protection processing apparatus for medical waste pyrolysis oven realizes the screening of thick sediment through the vibrations screening mechanism that sets up.
6. This a sediment ash environmental protection processing apparatus for medical waste pyrolysis oven, through the peripheral powder sediment trapping mechanism of surrounding at coarse sediment trapping mechanism that sets up, avoided the dust that produces in the coarse sediment collecting process to scatter again when realizing powder sediment collection function, the powder sediment of collecting passes through in the negative pressure generating tube direction sack dust removal case, realizes the processing function to the powder sediment, has solved among the prior art excessive slag stack in the hole of slagging tap, blocks up dust removal negative pressure hole, the problem that dust removal performance straight line that the powder sediment was arranged down.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
FIG. 2 is a second schematic diagram of the structure of the present utility model.
Fig. 3 is an enlarged schematic view of the portion a of fig. 1 according to the present utility model.
Fig. 4 is a schematic diagram of a front view structure of the present utility model.
Fig. 5 is a schematic view of the internal structure of the present utility model.
Fig. 6 is a schematic structural view of the coarse slag trapping mechanism of the present utility model.
Fig. 7 is an enlarged schematic view of the portion B of fig. 6 according to the present utility model.
Fig. 8 is a schematic structural diagram of the inside of the first housing and the second housing of the present utility model.
Fig. 9 is a schematic view of the internal structure of the third housing of the present utility model.
In the figure: 10. a cloth bag dust removing box; 20. a coarse slag collecting box; 30. a coarse slag trapping mechanism; 310. a coupling; 320. a trap roller; 321. a cooling tube; 322. a shunt; 323. a pressurized water tank; 324. a negative pressure water tank; 325. a pressurized water pipe; 326. a negative pressure water pipe; 327. a voltage stabilizing tube; 330. a mounting base; 340. a rotating shaft; 350. a trap lever; 360. a torsion spring; 40. powder slag trapping mechanism; 410. a swing arm; 420. a roller; 430. a first hydraulic telescoping rod; 440. a mounting frame; 450. hollow negative pressure wind cylinder; 460. a spiral sheet; 470. a negative pressure generating tube; 50. a coarse slag transferring mechanism; 510. a first housing; 520. a first conveyor belt; 530. a peeling bar; 60. a vibration screening mechanism; 610. a second housing; 620. vibrating the screen; 630. a storage hopper; 640. a stripping plate; 650. a connecting plate; 660. a second hydraulic telescoping rod; 70. coarse slag lifting mechanism; 710. a third housing; 720. a second conveyor belt; 730. a lifting bucket; 740. hollow negative pressure air pipes; 750. negative pressure honeycomb duct.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Example 1:
referring to fig. 1 to 6, an environment-friendly treatment apparatus for slag ash of a medical waste pyrolyzing furnace, including a bag dust removing box 10 and a coarse slag collecting box 20, further comprising:
a coarse slag collecting mechanism 30 installed at a front section of the mechanism for collecting coarse slag;
the powder slag collecting mechanism 40 is covered on the periphery of the coarse slag collecting mechanism 30 and communicated with the cloth bag dust removing box 10 for collecting powder slag;
a coarse slag transferring mechanism 50 installed at the rear end of the coarse slag trapping mechanism 30 for transferring the coarse slag collected by the coarse slag trapping mechanism 30;
wherein,,
the periphery of the coarse slag transferring mechanism 50 is covered with a first shell 510;
a vibration screening mechanism 60 installed at a side of the coarse slag transferring mechanism 50 remote from the coarse slag trapping mechanism 30, for screening coarse slag;
the coarse slag lifting mechanism 70 is arranged on one side of the vibration screening mechanism 60 away from the coarse slag transferring mechanism 50;
wherein,,
the outer side of the coarse slag lifting mechanism 70 is covered with a third housing 710, and the side of the third housing 710 away from the vibratory screening mechanism 60 is in communication with the coarse slag collection bin 20.
The coarse slag transferring mechanism 50 comprises a first conveyer belt 520 which is driven by an intermittent motor and is installed in a first shell 510 through a bracket, and a stripping rod 530 which is uniformly arranged on the outer surface of the first conveyer belt 520, coarse slag trapped by the coarse slag trapping mechanism 30 is conveyed to the bottom end of the first conveyer belt 520 through a trapping roller 320, and as the trapping rod 350 and the stripping rod 530 are arranged in a staggered manner, the stripping rod 530 is driven to circulate through the trapping rod 350 along with the travelling of the first conveyer belt 520, and coarse slag retained on the trapping rod 350 is transferred to the stripping rod 530 on the first conveyer belt 520 and is transferred to the junction with the vibration screening mechanism 60 along with the first conveyer belt 520.
The coarse slag trapping mechanism 30 comprises a coupler 310 arranged at the driving end of a first conveying belt 520, a trapping roller 320 arranged between the couplers 310, a mounting seat 330 arranged on the outer side wall of the trapping roller 320, a rotating shaft 340 rotatably connected to the mounting seat 330, a trapping rod 350 fixedly connected to the rotating shaft 340, and a torsion spring 360 connected between the mounting seat 330 and the trapping rod 350 and sleeved on the outer wall of the rotating shaft 340, wherein the trapping rod 350 and the stripping rod 530 are distributed in a staggered manner, an intermittent motor on the coarse slag transferring mechanism 50 is started to drive the first conveying belt 520 to intermittently move, meanwhile, the coupler 310 drives the trapping roller 320 to intermittently rotate, the trapping rod 350 connected with the outer wall is driven to trap coarse slag hidden in slag while the trapping roller 320 intermittently rotates, when the trapping rod 350 contacts the bottom wall of a furnace body, the trapping rod 350 drives the rotating shaft 340 to rotate along the mounting seat 330, and simultaneously the torsion spring 360 tightens up, and when the trapping rod 350 traps coarse slag at the bottom, the trapping rod 350 is separated from the bottom wall of the furnace body, the torsion spring 360 is rebounded, and the coarse slag trapped with coarse slag is kept balanced, and the coarse slag trapped by the coarse slag is treated.
The powder slag trapping mechanism 40 comprises a swing arm 410, a roller 420, a first hydraulic telescopic rod 430, a mounting frame 440, a hollowed negative pressure air cylinder 450, a spiral sheet 460 and a negative pressure generating pipe 470, wherein the swing arm 410 is rotatably connected to the outer side wall of the coupler 310, the roller 420 is arranged at the swinging end of the swing arm 410, the first hydraulic telescopic rod 430 is movably connected to the middle section of the swing arm 410 and the outer wall of the coupler 310, the mounting frame 440 is arranged at one side of the swing arm 410 far away from the coupler 310, the hollowed negative pressure air cylinder 450 is arranged on the mounting frame 440, the spiral sheet 460 is arranged on the outer wall of the hollowed negative pressure air cylinder 450, the negative pressure generating pipe 470 is connected between the hollowed negative pressure air cylinder 450 and the bag dust removing box 10, the stretching length of the first hydraulic telescopic rod 430 is adjusted according to the depth of slag in a furnace body, when the depth of slag in the furnace body is overlarge, the first hydraulic telescopic rod 430 is contracted, the supporting length of the swing arm 410 and the roller 420 is enlarged, slag cleaning work under the condition of deeper slag accumulation can be adapted, then the supporting length of the first hydraulic telescopic rod 430 is gradually controlled to stretch, the supporting length of the first hydraulic telescopic rod 420 is gradually reduced along with the reduction of the depth of slag after slag treatment, and slag cleaning work under the condition of different depth conditions of slag accumulation is adapted;
the negative pressure pump on the negative pressure generating tube 470 is started to generate negative pressure, and then the hollow negative pressure air cylinder 450 is driven to generate negative pressure, and as the hollow negative pressure air cylinder 450 is enclosed and arranged on the outer side of the coarse slag collecting mechanism 30, the collecting function of scattered powder slag during coarse slag collecting is realized, the spiral piece 460 arranged on the outer side wall of the hollow negative pressure air cylinder 450 can prevent blockage, the dust dissipation generated in the coarse slag collecting process is avoided while the powder slag collecting function is realized, and the collected powder slag is guided into the cloth bag dust removing box 10 through the negative pressure generating tube 470, so that the powder slag processing function is realized.
The vibration screening mechanism 60 comprises a second shell 610 connected between the first shell 510 and a third shell 710, a vibration screen 620 arranged on the inner wall of the second shell 610, a storage hopper 630 arranged at the joint of the second shell 610 and the third shell 710, and a stripping plate 640 arranged at the top end of the vibration screen 620 and staggered with a stripping rod 530, wherein the bag dust removing box 10 is arranged on the outer side wall of the second shell 610, coarse slag stripped by the stripping rod 530 is conveyed to the top end of the vibration screen 620 through a first conveying belt 520, stripped and transferred onto the vibration screen 620 through the stripping plate 640 staggered with the stripping rod 530, coarse slag is screened out and transferred into the storage hopper 630 through screening of the vibration screen 620, screening of coarse slag is realized, after the screened coarse slag enters the storage hopper 630, the second conveying belt 720 is started at the same time, and the second conveying belt 720 drives the lifting hopper 730 to transfer the screened coarse slag into the coarse slag collecting box 20, and the coarse slag treatment work is completed.
The coarse slag lifting mechanism 70 comprises a second conveying belt 720 arranged in a third shell 710 and a lifting hopper 730 uniformly arranged on the outer surface of the second conveying belt 720, wherein the top of the coarse slag collecting box 20 is opened and is opposite to a blanking port of the coarse slag lifting mechanism 70.
The hollow negative pressure air pipe 740 arranged above the second conveying belt 720 and the negative pressure guide pipe 750 connected between the hollow negative pressure air pipe 740 and the cloth bag dust removing box 10 are arranged in the inner cavity of the third shell 710 through a bracket.
The inner cavity of the collecting roller 320 is provided with uniformly distributed cooling pipes 321, a shunt pipe 322 which is arranged at the end part of the collecting roller 320 and is communicated with the cooling pipes 321, a pressurized water tank 323 and a negative pressure water tank 324 which are arranged on the outer side wall of the first shell 510, a pressurized water pipe 325 which is connected with the water outlet end of the pressurized water tank 323, a negative pressure water pipe 326 which is connected with the water inlet end of the negative pressure water tank 324, a pressure stabilizing pipe 327 which is connected with the water inlet end of the pressurized water tank 323 and the water outlet end of the negative pressure water tank 324, and shaft seals which are connected between the pressurized water pipe 325 and the shunt pipe 322 and between the negative pressure water pipe 326 and the shunt pipe 322.
The outer side wall of the vibration screen 620 is fixedly connected with a connecting plate 650, one end, away from the vibration screen 620, of the connecting plate 650 is movably connected with the first conveying belt 520, and a second hydraulic telescopic rod 660 is movably connected between the vibration screen 620 and the outer side wall of the first conveying belt 520.
According to the depth of slag in the furnace body, the stretching length of the first hydraulic telescopic rod 430 is adjusted, when the depth of slag in the furnace body is overlarge, the first hydraulic telescopic rod 430 contracts, the included angle between the swinging arm 410 and the coupler 310 is reduced, the supporting length of the swinging arm 410 and the roller 420 is increased, slag cleaning work under the condition of deeper slag accumulation can be adapted, then the stretching of the first hydraulic telescopic rod 430 is gradually controlled along with the reduction of the depth after slag treatment, and the supporting length of the swinging arm 410 and the roller 420 is reduced, so that slag cleaning work under different depth conditions of slag accumulation is adapted; the intermittent motor on the coarse slag transferring mechanism 50 is started to drive the first conveying belt 520 to intermittently move, meanwhile, the collecting roller 320 is driven to intermittently rotate through the coupler 310, the collecting rod 350 connected with the outer wall is driven to collect coarse slag hidden in slag while the collecting roller 320 intermittently rotates, when the collecting rod 350 touches the bottom wall of the furnace body, the collecting rod 350 drives the rotating shaft 340 to rotate along the mounting seat 330, meanwhile, the torsion spring 360 tightens, when the collecting rod 350 collects coarse slag at the bottom, the collecting rod 350 is separated from the bottom wall of the furnace body, the torsion spring 360 rebounds and resets, the collecting rod is balanced with the coarse slag collected by the coarse slag, and the collecting and processing functions of the coarse slag are realized; the captured coarse slag stays between the capturing rods 350, at this time, the cooling water in the pressurized water tank 323 flows to the diversion pipe 322 rotationally connected with the shaft seal through the pressurized water pipe 325 and flows to the cooling pipe 321, the cooling pipe 321 takes away the heat of the coarse slag staying on the capturing rods 350, then the cooling water after heat exchange flows to the negative pressure water tank 324 through the negative pressure water pipe 326 for cooling, and flows to the pressurized water tank 323 through the pressure stabilizing pipe 327 for recycling, so that the cooling treatment function of the coarse slag is realized, and the use stability of the first conveying belt 520 is ensured; the coarse slag trapped by the coarse slag trapping mechanism 30 is conveyed to the bottom end of the first conveyor belt 520 through the trapping roller 320, and as the trapping rod 350 and the stripping rod 530 are staggered, the stripping rod 530 is driven to circularly pass through the trapping rod 350 along with the travelling of the first conveyor belt 520, and meanwhile, the coarse slag trapped on the trapping rod 350 is transferred to the stripping rod 530 on the first conveyor belt 520 and is transferred to the junction with the vibration screening mechanism 60 along with the first conveyor belt 520; the coarse slag stripped by the stripping rod 530 is conveyed to the top end of the vibration screen 620 through the first conveying belt 520, stripped and transferred to the vibration screen 620 through the stripping plates 640 which are staggered with the stripping rod 530, and the coarse slag screened out is transferred to the storage hopper 630 through the screening of the vibration screen 620, so that the screening of the coarse slag is realized; after the screened coarse slag enters the storage hopper 630, the second conveying belt 720 is started at the same time, and the second conveying belt 720 drives the lifting hopper 730 to transfer the screened coarse slag into the coarse slag collecting box 20, so that coarse slag treatment is completed; while capturing coarse slag, a negative pressure pump on a negative pressure generating pipe 470 is started to generate negative pressure so as to drive a hollowed negative pressure air cylinder 450 to generate negative pressure, and as the hollowed negative pressure air cylinder 450 is enclosed outside the coarse slag capturing mechanism 30, the collection function of scattered powder slag during coarse slag capturing is realized, the spiral piece 460 arranged on the outer side wall of the hollowed negative pressure air cylinder 450 can prevent blockage, the dust collection function is realized, dust generated in the coarse slag collection process is prevented from being dissipated, and the collected powder slag is guided into a cloth bag dust box 10 through the negative pressure generating pipe 470, so that the treatment function of the powder slag is realized; in the process of lifting and boxing the coarse slag, the hollow negative pressure air pipe 740 arranged in the third shell 710 attracts slag ash generated in the second shell 610 and the third shell 710 to the bag dust removing box 10 for treatment under the attraction of the negative pressure guide pipe 750, so that slag ash dissipation in the coarse slag treatment process is effectively avoided.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (2)
1. The slag ash environment-friendly treatment device for the medical waste pyrolysis furnace is characterized by comprising a cloth bag dust removal box (10) and a coarse slag collection box (20), and further comprising:
the coarse slag collecting mechanism (30) is arranged at the front section of the mechanism and is used for collecting coarse slag;
the powder slag collecting mechanism (40) is covered on the periphery of the coarse slag collecting mechanism (30), communicated with the cloth bag dust removing box (10) and used for collecting powder slag;
the coarse slag transferring mechanism (50) is arranged at the rear end of the coarse slag collecting mechanism (30) and is used for transferring coarse slag collected by the coarse slag collecting mechanism (30);
wherein,,
the periphery of the coarse slag transferring mechanism (50) is covered with a first shell (510);
the vibration screening mechanism (60) is arranged on one side of the coarse slag transferring mechanism (50) away from the coarse slag collecting mechanism (30) and is used for screening coarse slag;
the coarse slag lifting mechanism (70) is arranged on one side of the vibration screening mechanism (60) away from the coarse slag transferring mechanism (50);
the outer side of the coarse slag lifting mechanism (70) is covered with a third shell (710), and one side of the third shell (710) away from the vibration screening mechanism (60) is communicated with the coarse slag collecting box (20);
the coarse slag transferring mechanism (50) comprises a first conveying belt (520) which is arranged in a first shell (510) through a bracket and driven by an intermittent motor, and a stripping rod (530) which is uniformly arranged on the outer surface of the first conveying belt (520);
the coarse slag trapping mechanism (30) comprises a coupler (310) arranged at the driving end of a first conveying belt (520), trapping rollers (320) arranged between the couplers (310), mounting seats (330) arranged on the outer side walls of the trapping rollers (320), rotating shafts (340) rotatably connected to the mounting seats (330), trapping rods (350) fixedly connected to the rotating shafts (340) and torsion springs (360) connected between the mounting seats (330) and the trapping rods (350) and sleeved on the outer walls of the rotating shafts (340), wherein the trapping rods (350) and stripping rods (530) are distributed in a staggered mode;
the powder slag trapping mechanism (40) comprises a swing arm (410) rotatably connected to the outer side wall of the coupler (310), a roller (420) arranged at the swinging end of the swing arm (410), a first hydraulic telescopic rod (430) movably connected to the middle section of the swing arm (410) and the outer wall of the coupler (310), a mounting frame (440) arranged at one side of the swing arm (410) far away from the coupler (310), a hollowed negative pressure air cylinder (450) arranged on the mounting frame (440), a spiral piece (460) arranged on the outer wall of the hollowed negative pressure air cylinder (450) and a negative pressure generating pipe (470) connected between the hollowed negative pressure air cylinder (450) and the cloth bag dust removing box (10);
the vibration screening mechanism (60) comprises a second shell (610) connected between the first shell (510) and a third shell (710), a vibration screen (620) arranged on the inner wall of the second shell (610), a storage hopper (630) arranged at the joint of the second shell (610) and the third shell (710), and a stripping plate (640) arranged at the top end of the vibration screen (620) and staggered with the stripping rod (530), wherein the cloth bag dust box (10) is arranged on the outer side wall of the second shell (610);
the coarse slag lifting mechanism (70) comprises a second conveying belt (720) arranged in a third shell (710) and a lifting hopper (730) uniformly arranged on the outer surface of the second conveying belt (720), and the top of the coarse slag collecting box (20) is open and is opposite to a blanking port of the coarse slag lifting mechanism (70);
the inner cavity of the third shell (710) is provided with a hollowed negative pressure air pipe (740) arranged above the second conveying belt (720) through a bracket, and a negative pressure guide pipe (750) connected between the hollowed negative pressure air pipe (740) and the cloth bag dust removing box (10);
the inner cavity of the collecting roller (320) is provided with uniformly distributed cooling pipes (321), split pipes (322) which are arranged at the end part of the collecting roller (320) and are communicated with the cooling pipes (321), a pressurized water tank (323) and a negative pressure water tank (324) which are arranged on the outer side wall of the first shell (510), a pressurized water pipe (325) which is connected with the water outlet end of the pressurized water tank (323), a negative pressure water pipe (326) which is connected with the water inlet end of the negative pressure water tank (324), a pressure stabilizing pipe (327) which is connected with the water inlet end of the pressurized water tank (323) and the water outlet end of the negative pressure water tank (324) and shaft seals which are connected between the pressurized water pipe (325) and the split pipes (322) and between the negative pressure water pipe (326) and the split pipes (322);
the vibration screen (620) is characterized in that a connecting plate (650) is fixedly connected to the outer side wall of the vibration screen (620), one end, away from the vibration screen (620), of the connecting plate (650) is movably connected with the first conveying belt (520), and a second hydraulic telescopic rod (660) is movably connected between the vibration screen (620) and the outer side wall of the first conveying belt (520).
2. The method for treating the slag ash environmental protection treatment device for the medical waste pyrolyzing furnace according to claim 1, which is characterized by comprising the following steps:
s1: according to the depth of slag in a furnace body, the stretching length of a first hydraulic telescopic rod (430) is adjusted, when the depth of slag in the furnace body is overlarge, the first hydraulic telescopic rod (430) is contracted, the included angle between a swinging arm (410) and a coupler (310) is reduced, the supporting length of the swinging arm (410) and a roller (420) is increased, slag cleaning work under the condition that slag is piled up deeply can be adapted, then the stretching of the first hydraulic telescopic rod (430) is gradually controlled along with the reduction of the depth after slag treatment, and the supporting length of the swinging arm (410) and the roller (420) is reduced so as to adapt to slag cleaning work under different depth conditions of slag piling up;
s2: starting an intermittent motor on a coarse slag transferring mechanism (50), driving a first conveying belt (520) to intermittently move, driving a collecting roller (320) to intermittently rotate through a coupler (310), driving a collecting rod (350) connected with the outer wall to collect coarse slag hidden in slag while the collecting roller (320) intermittently rotates, driving a rotating shaft (340) to rotate along a mounting seat (330) by the collecting rod (350) when the collecting rod (350) touches the bottom wall of a furnace body, tightening a torsion spring (360), separating the collecting rod (350) from the bottom wall of the furnace body when the collecting rod (350) collects coarse slag at the bottom, and resetting the torsion spring (360) in a rebound mode, so that the coarse slag collected by the collecting rod (350) is balanced, and a coarse slag collecting and processing function is realized;
s3: the captured coarse slag is retained between the capturing rods (350), at the moment, cooling water in the pressurized water tank (323) flows to the diversion pipe (322) rotationally connected with the shaft seal through the pressurized water pipe (325) and flows to the cooling pipe (321), the cooling pipe (321) takes away heat of the coarse slag retained on the capturing rods (350), then the cooling water after heat exchange flows to the negative pressure water tank (324) through the negative pressure water pipe (326) to be cooled, and flows to the pressurized water tank (323) through the pressure stabilizing pipe (327) to be recycled, so that the cooling treatment function of the coarse slag is realized, and the use stability of the first conveying belt (520) is guaranteed;
s4: the coarse slag trapped by the coarse slag trapping mechanism (30) is conveyed to the bottom end of the first conveying belt (520) through the trapping roller (320), and as the trapping rod (350) and the stripping rod (530) are arranged in a staggered manner, the stripping rod (530) is driven to circularly pass through the trapping rod (350) along with the advancing of the first conveying belt (520), and meanwhile, the coarse slag retained on the trapping rod (350) is transferred to the stripping rod (530) on the first conveying belt (520) and is transferred to the joint with the vibration screening mechanism (60) along with the first conveying belt (520);
s5: the coarse slag stripped by the stripping rod (530) is conveyed to the top end of the vibration screen (620) through the first conveying belt (520), stripped by the stripping plates (640) which are arranged in a staggered manner with the stripping rod (530) and transferred to the vibration screen (620), and the coarse slag is screened out and transferred to the storage hopper (630) through screening of the vibration screen (620), so that screening of the coarse slag is realized;
s6: after the screened coarse slag enters the storage hopper (630), a second conveying belt (720) is started at the same time, and the second conveying belt (720) drives the lifting hopper (730) to transfer the screened coarse slag into the coarse slag collecting box (20) so as to finish the coarse slag treatment work;
s7: when coarse slag is trapped, a negative pressure pump on a negative pressure generating pipe (470) is started to generate negative pressure, and then a hollowed negative pressure air cylinder (450) is driven to generate negative pressure, as the hollowed negative pressure air cylinder (450) is enclosed outside a coarse slag trapping mechanism (30), the collection function of scattered powder slag during coarse slag trapping is realized, a spiral sheet (460) arranged on the outer side wall of the hollowed negative pressure air cylinder (450) can prevent blockage, the dust collection function is realized, dust generated in the coarse slag collection process is prevented from being scattered, and the collected powder slag is guided into a cloth bag dust removing box (10) through the negative pressure generating pipe (470), so that the treatment function of the powder slag is realized;
s8: in the process of lifting and boxing the coarse slag, the hollow negative pressure air pipe (740) arranged in the third shell (710) attracts slag ash generated in the second shell (610) and the third shell (710) to the cloth bag dust removing box (10) for treatment under the attraction of the negative pressure guide pipe (750), so that slag ash dissipation in the coarse slag treatment process is effectively avoided.
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| JP3937084B2 (en) * | 1999-01-13 | 2007-06-27 | バブコック日立株式会社 | Slag transfer device, melting device, and slag transfer method |
| CN204138784U (en) * | 2014-09-19 | 2015-02-04 | 河南金利金铅有限公司 | A kind of electrolytic lead workshop Decoppering in lead bullion dragveyer |
| CN205351355U (en) * | 2016-01-18 | 2016-06-29 | 青岛达能环保设备股份有限公司 | Cold sediment device of bank of tubes formula |
| CN105465805B (en) * | 2016-01-18 | 2017-08-01 | 青岛达能环保设备股份有限公司 | A kind of pipe arranges the cold slag system of formula |
| CN206218152U (en) * | 2016-12-08 | 2017-06-06 | 蓝玉 | A kind of pond pasture and water salvaging mechanism |
| CN206597581U (en) * | 2017-03-10 | 2017-10-31 | 上海善是科技有限公司 | A kind of slag cools down the water circulation structure of breaker |
| CN207823946U (en) * | 2018-02-12 | 2018-09-07 | 湖北金洋冶金股份有限公司 | Closed lifting dragveyer |
| CN209974916U (en) * | 2019-05-10 | 2020-01-21 | 聊城信源集团有限公司 | Automatic slag dragging system of intermediate frequency furnace |
| CN212263827U (en) * | 2020-04-22 | 2021-01-01 | 长沙鑫浩再生资源利用有限公司 | Building rubbish processing reciprocating sieve ash removal device |
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| CN216397126U (en) * | 2021-12-12 | 2022-04-29 | 泰州市维华混凝土有限公司 | Separation equipment for waste water and waste residues of recycled concrete |
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Denomination of invention: A slag ash environmental protection treatment device and treatment method for medical waste pyrolysis furnaces Granted publication date: 20230627 Pledgee: Wuxi rural commercial bank Limited by Share Ltd. Yixing branch Pledgor: Jiangsu Linjie Environmental Technology Co.,Ltd. Registration number: Y2024980011994 |