CN108895465B - High-efficient environmental protection waste disposal system - Google Patents

High-efficient environmental protection waste disposal system Download PDF

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Publication number
CN108895465B
CN108895465B CN201810784676.2A CN201810784676A CN108895465B CN 108895465 B CN108895465 B CN 108895465B CN 201810784676 A CN201810784676 A CN 201810784676A CN 108895465 B CN108895465 B CN 108895465B
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hopper
air outlet
tower
fan
air inlet
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CN108895465A (en
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郭晓伟
杨龙
占列
周雄伟
唐益敏
吴永河
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Fujian Xingye Dongjiang Environmental Protection Technology Co ltd
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Fujian Xingye Dongjiang Environmental Protection Technology Co ltd
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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
    • F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
    • F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
    • F23G5/16—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/38—Removing components of undefined structure
    • B01D53/40—Acidic components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77—Liquid phase processes
    • B01D53/78—Liquid phase processes with gas-liquid contact
    • 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
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
    • F23G7/07—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases in which combustion takes place in the presence of catalytic material
    • 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
    • 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
    • F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/402—Further details for adsorption processes and devices using two beds

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention relates to a high-efficiency environment-friendly waste treatment system, which comprises a rotary kiln, a secondary combustion chamber, a semi-dry quenching tower, a dry-type reactor, a dust remover, a cooling tower, an alkaline tower and a chimney, wherein the air outlet end of the rotary kiln is connected with the air inlet end of the secondary combustion chamber, the air outlet end of the secondary combustion chamber is connected with the air inlet end of the semi-dry quenching tower, the air outlet end of the semi-dry quenching tower is connected with the air inlet end of the dry-type reactor, the air outlet end of the dry-type reactor is connected with the air inlet end of the dust remover, the air outlet end of the dust remover is connected with the air inlet end of the cooling tower, the air outlet end of the cooling tower is connected with the air inlet end of the alkaline tower, the air outlet end of the alkaline tower, and a waste gas treatment device is also arranged between the alkaline tower and the chimney, and the generated waste gas is further treated by the waste gas treatment device and then discharged, so that the waste is treated more thoroughly and is environment-friendly.

Description

High-efficient environmental protection waste disposal system
Technical Field
The invention relates to a high-efficiency environment-friendly waste treatment system.
Background
Along with the development of society, solid waste articles and liquid waste gas articles in industrial production are more and more, hazardous wastes not only have long-term pollution to the environment, but also have the harmfulness of flammability, explosiveness, toxicity, corrosion, infection and the like, at present, a plurality of means for treating wastes are provided, a rotary kiln type incinerator is selected as one of main power incinerator types for burning the hazardous wastes, the rotary kiln type incinerator is particularly suitable for a commercial centralized treatment incineration system, the rotary kiln incineration has the characteristics of strong universality and the like, for example, in the Chinese invention patent with the authorization publication number CN 104501178B and the name of 'an industrial hazardous waste incineration system', an industrial hazardous waste incineration system is disclosed, and the industrial hazardous waste incineration system comprises a rotary kiln, a waste liquid furnace, a membrane wall type settling furnace, a membrane wall type waste heat boiler, a semi-dry tower, a quench reactor, a cloth bag dust remover, a draught fan, a spray tower, a semi-, A secondary combustion chamber and a pre-cooling chamber are also arranged between the waste liquid furnace and the membrane wall type settling furnace. Although the incineration system can treat industrial hazardous wastes to a certain degree, the automation degree is relatively low, and the treatment effect is still required to be further improved.
Accordingly, the present inventors have made extensive studies to solve the above problems and have made the present invention.
Disclosure of Invention
The invention aims to provide an efficient environment-friendly waste treatment system with better treatment effect.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-efficiency environment-friendly waste treatment system comprises a rotary kiln, a secondary combustion chamber, a semi-dry quenching tower, a dry reactor, a dust remover, a cooling tower, an alkaline washing tower and a chimney, wherein the air outlet end of the rotary kiln is connected with the air inlet end of the secondary combustion chamber, the air outlet end of the secondary combustion chamber is connected with the air inlet end of the semi-dry quenching tower, the air outlet end of the semi-dry quenching tower is connected with the air inlet end of the dry reactor, the air outlet end of the dry reactor is connected with the air inlet end of the dust remover, the air outlet end of the dust remover is connected with the air inlet end of the cooling tower, the air outlet end of the cooling tower is connected with the air inlet end of the alkaline washing tower, the air outlet end of the alkaline washing tower is connected with the chimney through an induced draft fan, a waste gas treatment device is further arranged between the alkaline washing tower and the chimney, the waste gas treatment device comprises a spray tower, a filter box, adsorption bed and a catalytic combustion device, at least two adsorption, the upper part of the adsorption bed is provided with a first air inlet and a second air outlet, the lower part of the adsorption bed is provided with a first air outlet and a second air inlet, the first air inlet is communicated with the air outlet of the filter box, the second air outlet is communicated with the air inlet of the catalytic combustion device, the waste gas treatment device also comprises a first fan, a second fan and a third fan, the air outlet end of the first fan is communicated with the second air inlet, the air inlet end of the first fan is communicated with the atmosphere, the air inlet end of the second fan is communicated with the air outlet end of the catalytic combustion device, the air outlet end of the second fan is communicated with the second air inlet, the air inlet end of the third fan is communicated with the first air outlet, the air outlet end of the third fan is communicated with the atmosphere, a first pipeline is arranged between the air outlet end of the first fan and the air outlet end of the second air outlet, the first pipeline is provided with a first control valve, and the first pipeline is also provided with an, and a second control valve is arranged on the exhaust pipe.
As a preferable mode of the present invention, the filter box is provided with a first filter cotton layer and a second filter cotton layer, the first filter cotton layer and the second filter cotton layer divide the filter box into a first chamber, a second chamber and a third chamber, the third chamber is communicated with the first air inlet of the adsorption bed, and the present invention further includes a differential pressure gauge for detecting a differential pressure between the first chamber and the second chamber.
As a preferable mode of the present invention, the adsorption bed is an activated carbon adsorption bed, a third control valve is disposed between the filter box and the first air inlet, a fourth control valve is disposed between the second air outlet and the catalytic combustion device, a fifth control valve is disposed between the first air outlet and the third fan, a sixth control valve is disposed between the second air inlet and the first fan, and a seventh control valve is disposed between the first fan and the first control valve.
As a preferable mode of the invention, the rotary kiln further comprises a crushing device and an automatic feeding device, a conveying device for conveying waste is arranged between the crushing device and the feeding end of the automatic feeding device, and the discharging end of the automatic feeding device is connected with the feeding end of the rotary kiln.
As a preferred mode of the invention, the crushing device comprises a lifting machine, a frame, a feeding hopper, a knife box assembly and a discharging hopper, wherein a storage pool is arranged below the discharging hopper, the feeding hopper, the knife box assembly and the discharging hopper are arranged on the frame from top to bottom, the discharging end of the lifting machine is connected with the feeding end of the feeding hopper, a middle hopper and a swager hopper are arranged between the feeding hopper and the knife box assembly, the middle hopper is arranged above the swager hopper, the discharging end of the feeding hopper is provided with an upper gate for controlling the lowering speed of materials, the discharging end of the middle hopper is provided with a middle gate for controlling the lowering speed of materials, the discharging end of the discharging hopper is provided with a lower gate for controlling the lowering speed of materials, the middle hopper is provided with a first nitrogen interface and a first water vapor interface, the first nitrogen interface is connected to a nitrogen source, and the first water vapor interface is connected to a water vapor, and a second nitrogen interface and a second water vapor interface are arranged on the swage hopper, the second nitrogen interface is connected to the nitrogen source, and the second water vapor interface is connected to the water vapor source.
As a preferable mode of the invention, the swager hopper is further provided with a carbon dioxide interface, the carbon dioxide interface is connected to a carbon dioxide supply device, the swager hopper is internally provided with an oxygen content detector, the lower hopper is internally provided with a temperature sensor, the lower hopper is provided with a third steam interface, the third steam interface is connected to a steam source, the swager hopper is internally provided with a temperature sensor, the swager hopper is internally provided with a swager, and the upper gate, the middle gate and the lower gate are all provided with hydraulic drive mechanisms.
In a preferred mode of the invention, the automatic feeding device comprises a liquid feeding assembly and a non-liquid gas feeding assembly, the liquid feeding component comprises a storage tank for storing liquid waste, a liquid conveying pipeline with one end connected with the storage tank, a nozzle arranged at the other end of the liquid conveying pipeline and positioned in the rotary kiln, and a corrosion-resistant pump and a flowmeter arranged on the liquid conveying pipeline, the non-gas-liquid feeding component comprises a hydraulic piston pusher with a discharge hole connected with the feed inlet of the rotary kiln, a metering bin arranged on the feed inlet of the hydraulic piston pusher, a chain scraper conveyor with a discharge end positioned above the metering bin, and a feed hopper positioned above the feed end of the chain scraper conveyor, the conveying device comprises a grab bucket crane matched with the feed hopper and a vertical elevator matched with the metering bin.
As a preferable mode of the invention, the grab crane comprises a travelling crane and hydraulic grabs movably arranged on the travelling crane, the number of the liquid feeding assemblies is more than two, the heat values of the liquid stored in the storage tanks of the liquid feeding assemblies are different, and the storage tanks are also provided with steam heat exchangers.
As a preferable mode of the present invention, the cooling tower is provided with a condensed water spray head, the alkaline tower is provided with a sodium hydroxide solution spray head, the alkaline tower further comprises a waste heat recycling system, an air inlet end of the waste heat recycling system is connected with an air outlet end of the secondary combustion chamber, an air outlet end of the waste heat recycling system is connected with an air inlet end of the semi-dry quenching tower, the waste heat recycling system is provided with a waste heat boiler, the waste heat boiler is provided with a water inlet and a steam outlet, the water inlet is connected with the water supply tank, the alkaline tower further comprises a gas distribution cylinder, an air inlet end of the gas distribution cylinder is connected with the steam outlet, and an air outlet end of the gas distribution cylinder is connected with the flue.
As a preferable mode of the present invention, the air outlet end of the gas-distributing cylinder is further connected to a steam condenser, a combustion air preheater, and a multi-effect evaporator, and condensed water outlets of the steam condenser, the combustion air preheater, and the flue gas heater are all connected to the water supply tank through condensed water tanks.
After the technical scheme of the invention is adopted, the flue gas from the dust remover is cooled by the cooling tower to reach the optimal temperature of acid-base reaction, so that acid substances in the flue gas are more effectively removed, the flue gas is subjected to wet deacidification treatment in the alkaline tower, the generated waste gas is further treated by the waste gas treatment device and then discharged, the waste is more thoroughly treated and is more environment-friendly, at least two adsorption beds are provided, one adsorption bed can perform desorption work of organic gas during adsorption work, so that continuous adsorption work is ensured, and the waste gas treatment efficiency is improved. The heat of the gas in the catalytic combustion device is fully utilized, and the effect of saving energy consumption is achieved.
Drawings
FIG. 1 is a schematic structural view of the present invention (wherein the crushing device is not shown);
FIG. 2 is a schematic diagram of a waste heat recovery system according to the present invention;
FIG. 3 is a schematic view of the crushing apparatus according to the present invention;
FIG. 4 is a schematic side view of the crushing apparatus of the present invention;
FIG. 5 is a schematic view of the structure of the automatic feeding device of the present invention;
fig. 6 is a schematic view of a partially exploded structure of the hydraulic grab (the telescopic state of the hydraulic cylinder and the open/close state of the grab are shown in the same figure);
FIG. 7 is a schematic view of the structure of the connecting frame of the present invention in cooperation with the grab bucket;
FIG. 8 is a schematic view showing the construction of a semi-dry quenching tower combined with a dry reactor in a preferred embodiment of the present invention;
FIG. 9 is a schematic view showing the construction of an exhaust gas treating apparatus according to the present invention;
in the figure:
in fig. 1 to 2:
10-rotary kiln 20-secondary combustion chamber
30-waste heat recycling system 31-waste heat boiler
32-gas separation cylinder 33-steam condenser
34-combustion air preheater 35-multiple effect evaporator
36-condensed water tank 37-water supply tank
40-semi-dry quenching tower 50-dry reactor
60-dust remover 70-cooling tower
80-alkaline washing tower 91-induced draft fan
92-chimney 93-flue gas heater
300-automatic feeding device 400-conveying device
500-exhaust gas treatment device
In fig. 3 to 4:
10-frame 20-elevator
30-feed hopper 40-middle hopper
41-first nitrogen interface 42-first water vapor interface
43-air exchange valve 50-material pressing device hopper
51-swager
60-knife box assembly 70-blanking hopper
71-third nitrogen interface 72-third water vapor interface
73-lower gate
In fig. 5:
11-a rotary kiln; 20-a non-gas liquid feed assembly;
21-hydraulic piston pusher; 22-a metering bin;
23-a drag conveyor; 24-a feed hopper;
25-a grab bucket crane; 26-a storage pool;
27-vertical hoist 100-hydraulic grab
200-traveling crane
In fig. 6 to 7:
100-hydraulic grab bucket 200-crane
11-upper plate 12-lower plate
13-connecting plate 14-first supporting lug
15-second support lug 16-reinforcing plate
17-lifting lug 20-grab bucket
21-first side plate 22-second side plate
23-support shaft 24-connecting hole
25-Enclosure 26-storage pool
30-hydraulic cylinder 31-cylinder body
32-piston rod 40-connecting frame
41-base 42-connecting shaft
43-external thread 44-locking screw
In fig. 8:
40-semi-dry quenching tower 41-first cone bucket part
50-Dry reactor 51-second cone section
52-joining pipe
In fig. 9:
10-spray tower 20-filter box
21-first filter cotton layer 22-second filter surface layer
23-first chamber 24-second chamber
25-third chamber 26-differential pressure gauge
31-first adsorbent bed 32-second adsorbent bed
33-third adsorption bed 41-first control valve
42-second control valve 43-second control valve
44-fourth control valve 45-fifth control valve
46-sixth control valve 47-seventh control valve
48-first thermocouple 49-second thermocouple
51-first fan 52-second fan
53-third fan 60-catalytic combustion device
71-first conduit 72-exhaust pipe
500-exhaust gas treatment device
Detailed Description
In order to further explain the technical scheme of the invention, the following detailed description is combined with the accompanying drawings.
Referring to fig. 1 to 9, a hazardous waste treatment system includes a rotary kiln 10, a secondary combustion chamber 20, a semi-dry quenching tower 40, a dry reactor 50, a dust remover 60, a cooling tower 70, an alkaline washing tower 80 and a chimney 92, wherein an air outlet end of the rotary kiln 10 is connected with an air inlet end of the secondary combustion chamber 20, an air outlet end of the secondary combustion chamber 20 is connected with an air inlet end of the semi-dry quenching tower 40, an air outlet end of the semi-dry quenching tower 40 is connected with an air inlet end of the dry reactor 50, an air outlet end of the dry reactor 50 is connected with an air inlet end of the dust remover 60, an air outlet end of the dust remover 60 is connected with the chimney 92 through an induced draft fan 91, an air inlet end of the cooling tower 70 is connected with an air outlet end of the dust remover 60, and an air outlet end of the cooling tower 70 is connected with an air inlet end of.
Referring to fig. 9, preferably, a waste gas treatment device is further disposed between the caustic tower and the chimney, the waste gas treatment device includes a spray tower 10, a filter box 20, at least two, in an embodiment, three, of the adsorption beds are respectively a first adsorption bed 31, a second adsorption bed 32 and a third adsorption bed 33, one of the three adsorption beds performs desorption operation and the other two perform adsorption operation, the upper portion of the adsorption bed is provided with a first air inlet and a second air outlet, the lower portion of the adsorption bed is provided with a first air outlet and a second air inlet, the first air inlet is communicated with the air outlet of the filter box 20, the second air outlet is communicated with the air inlet of the catalytic combustion device 60, the waste gas treatment device further includes a first fan 51, a second fan 52 and a third fan 53, the air outlet end of the first fan 51 is communicated with the second air inlet, the air inlet end of the first fan 51 is communicated with the atmosphere, the air inlet end of the second fan 52 is communicated with the air outlet end of the catalytic combustion device 60, the air outlet end of the second fan 52 is communicated with the second air inlet, the air inlet end of the third fan 53 is communicated with the first air outlet, the air outlet end of the third fan 53 is communicated with the atmosphere, a first pipeline 71 is arranged between the air outlet end of the first fan 51 and the air outlet end of the second air outlet, a first control valve 41 is arranged on the first pipeline 71, an exhaust pipe 72 communicated with the atmosphere is further arranged on the first pipeline 71, and a second control valve 42 is arranged on the exhaust pipe 72.
As a preferable mode of the present invention, the filter box 20 is provided with a first filter cotton layer 21 and a second filter cotton layer 22, the first filter cotton layer 21 and the second filter cotton layer 22 divide the filter box into a first chamber 23, a second chamber 24 and a third chamber 25, the third chamber 25 is communicated with the first air inlet of the adsorption bed, and the filter box further comprises a differential pressure gauge for detecting a differential pressure between the first chamber 23 and the second chamber 24.
In a preferred embodiment of the present invention, the adsorption bed is an activated carbon adsorption bed.
In a preferred embodiment of the present invention, a third control valve 43 is provided between the filter box 20 and the first air inlet, and a fourth control valve 44 is provided between the second air outlet and the catalytic combustion device 60.
In a preferred embodiment of the present invention, a fifth control valve 45 is provided between the first air outlet and the third air blower 53, and a sixth control valve 46 is provided between the second air inlet and the first air blower 51.
In a preferred embodiment of the present invention, a seventh control valve 47 is provided between the first fan 51 and the first control valve 41.
In a preferred embodiment of the present invention, a first thermocouple 48 is provided in the adsorption bed, and a second thermocouple 48 is provided between the second gas inlet and the first control valve.
As a preferred embodiment of the present invention, the present invention further comprises a PLC controller, and the first control valve 41, the second control valve 42, the third control valve 43, the fourth control valve 44, the fifth control valve 45, the sixth control valve 46, the seventh control valve 47, the first fan 51, the second fan 52, the third fan 53, the first thermocouple 48, and the second thermocouple 49 are all connected to the PLC controller.
The invention removes dust through a spray tower, and after paint mist is removed through filtering of a filter box 20, organic waste gas enters an adsorption bed for adsorption work, and the purified gas reaches the standard and is discharged. One of the adsorption beds performs desorption and regeneration work during daily work, and the other adsorption beds perform adsorption work. When the temperature reaches the ignition temperature, cold air in the system is supplemented by the second fan 42 and the first fan 41, the cold air is mixed and then is adjusted to a proper temperature (140 ℃, wherein the boiling point of organic components in the waste gas is toluene 110.6 ℃, and xylene 138 and 144 ℃) and then is sent into an adsorption bed for desorption operation, the high-concentration organic waste gas (which can be concentrated by 10-20 times) blown out and the hot waste gas after combustion exchange heat, and then the organic matters are oxidized and decomposed into harmless CO2 and H2O by a catalyst. The heat exchange temperature of the desorbed gas of the combusted waste gas is reduced to 180-200 ℃ for desorption, and the redundant waste gas is discharged through the exhaust pipe 72. The adsorption and desorption regeneration are carried out by a plurality of adsorption bed wheel flows, the adsorption and desorption are switched, and the continuous operation is carried out (the working time can be adjusted according to the production condition of an enterprise). The engineering design has the waste gas concentration of 100ppm, the concentration of the concentrated organic waste gas can reach more than 5000mg/m3, and the natural environment can be maintained after the combustor is started and the temperature is raised to the ignition temperature through electric heating. The desorption regeneration adopts a catalytic combustion device, flame arresters are installed at the inlet and the outlet of the catalytic combustion device, and the whole system is controlled by a PLC.
Because the dust content of the waste gas is large, the replacement period of the filter cotton is short. According to debugging and observation, the filter cotton should be replaced in 15-20 days generally; or the filter cotton should be replaced when the pressure difference between the first chamber 23 and the second chamber 24 is larger than 450 Pa.
The invention also comprises a crushing device and an automatic feeding device 300, a conveying device 400 for conveying wastes is arranged between the crushing device and the feeding end of the automatic feeding device 300, and the discharging end of the automatic feeding device 300 is connected with the feeding end of the rotary kiln 11
The invention also comprises a flue gas heater 93, wherein the gas outlet end of the alkaline washing tower 80 is connected with the gas inlet end of the flue gas heater 93, and the gas outlet end of the flue gas heater 93 is connected with the gas inlet end of the induced draft fan 91.
Referring to fig. 8, the present invention is also improved in the connection structure of the semi-dry quenching tower 40 and the dry reactor 50, in the prior art, the lower end of the semi-dry quenching tower is connected with the lower end of the dry reactor through the connecting pipe, the connecting pipe is horizontally arranged, and dust generated in the semi-dry quenching tower partially floats into the connecting pipe and gradually accumulates in the connecting pipe, even causing blockage of the connecting pipe. In the invention, the lower end of the semi-dry quenching tower 40 is provided with a first conical hopper part 41, the lower end of the dry reactor 50 is provided with a second conical hopper part, the lower end of the second conical hopper part 51 is higher than the upper end of the first conical hopper part 41, the upper end of the connecting pipeline 52 is connected with the lower end of the second conical hopper part 51, the lower end of the connecting pipeline 52 is connected with the side wall of the first conical hopper part 41, the connecting pipeline 52 is obliquely arranged relative to the horizontal plane, and dust generated by the semi-dry quenching tower 40 can fall back to the first conical hopper part 41 along the connecting pipeline 52 under the action of gravity and is discharged from the outlet of the first conical hopper part 41.
In a preferred embodiment of the present invention, the cooling tower 70 is provided with a condensed water spray head, and the alkaline tower 80 is provided with a sodium hydroxide solution spray head.
As a preferred mode of the present invention, the present invention further comprises a waste heat recycling system 30, wherein an air inlet end of the waste heat recycling system 30 is connected to an air outlet end of the secondary combustion chamber 20, and an air outlet end of the waste heat recycling system 30 is connected to an air inlet end of the semi-dry quenching tower 40.
In the invention, flue gas from a secondary combustion chamber 20 enters a waste heat recycling system 30, the waste heat recycling system 30 is provided with a waste heat boiler 31, the waste heat boiler 31 is provided with a water inlet and a steam outlet, the water inlet is connected with a water supply pool 37 and supplies water to the waste heat boiler 31 through the water inlet, the waste heat recycling system also comprises a gas distribution cylinder 32, the gas inlet end of the gas distribution cylinder 32 is connected with the steam outlet, the gas outlet end of the gas distribution cylinder 32 is connected with a flue gas heater 93, the gas outlet end of the gas distribution cylinder 32 is also connected with a steam condenser 33, a combustion-supporting air preheater 34 and a multi-effect evaporator 35, and the steam condenser 33, the combustion-supporting air preheater 34 and the condensate water outlet of the flue gas heater 93 are all connected.
The high-temperature flue gas from the secondary combustion chamber 20 firstly enters the waste heat boiler 31, and the temperature of the flue gas is reduced from 1100-1200 ℃ to about 500 ℃. Urea is sprayed in the range of about 900 ℃ of the waste heat boiler to remove nitrogen oxides in the flue gas, and part of heat energy is recovered to generate steam which is mainly used for other production process links (such as a flue gas heater 93, a steam condenser 33, a combustion air preheater 34 and a multi-effect evaporator 35) and a sludge drying unit to supply heat. The waste heat boiler 31 is characterized in that the flue gas is divided into four return strokes by three rows of hanging water-cooled walls, a settling chamber is arranged at the bottom of the waste heat boiler, and the flue gas can settle dust and enter the settling chamber when flowing from bottom to top and is discharged to an ash box at regular time to be transported away.
The temperature of high-temperature flue gas from the secondary combustion chamber 20 is reduced to 500 ℃ through a waste heat boiler, the high-temperature flue gas enters a semi-dry quenching tower 40 from the upper part through a flue, a double-fluid nozzle is arranged on the semi-dry quenching tower 40, and water drops formed by atomizing lime slurry, compressed air and water fully exchange heat with the high-temperature flue gas under the action of compressed air, so that the high-temperature flue gas is quickly evaporated in a short time, and the heat is taken away, so that the temperature of the flue gas is quickly reduced. The residence time of the flue gas at 200-400 ℃ is less than 1s, so that the dioxin is prevented from being resynthesized. The acidic gas in the flue gas reacts with alkali liquor to generate CaSO3，CaSO4，CaCl2，CaF2Etc. removing SO in the flue gas2And the removal rate of HCI and HF reaches more than 90%, residual dust in the airflow can be removed, the dust content is further reduced, and the removed fly ash is discharged from the bottom of the tower.
The dust-containing flue gas enters a bag type dust collector 60 after passing through a dry reactor 50, fly ash is captured and then discharged in a dry state, and the fly ash enters a wet-process deacidification tower through an air outlet and an air outlet valve. The dust collected is collected in the ash bucket and discharged into the ash conveying system from the rotary ash discharge valve and then sent into the fly ash storage tank. After the filter bag of the chamber is cleaned, the exhaust valve is opened to recover the filtering state of the chamber.
The flue gas from the dust separator 60 is deacidified by a two-stage washing wet method. The flue gas passes through a cooling tower 70, the temperature of the flue gas is from about 170 ℃ to 90 ℃, the flue gas enters an alkaline tower 80 after reaching the optimal temperature section of acid-base reaction, and dilute NaOH solution and HCl, HF and SO in the flue gas are sprayed into the alkaline tower 802After the reaction, the temperature of the flue gas is reduced to 68 ℃, the flue gas enters a flue gas heater 93, the flue gas heater 93 heats the flue gas discharged from the cooling tower 70 to 120-130 ℃ by using waste heat boiler steam or flue gas, and corrosion to equipment, a flue and a chimney 92 and occurrence of 'white smoke' phenomena caused by condensation of low-temperature saturated flue gas in an induced draft fan 91 and the chimney 92 are preventedAnd finally discharged through a chimney 92 with a height of 50m and a diameter of 1.13 m.
Referring to fig. 3 and 4, the crushing device of the present invention includes a lifter 20, a frame 10, a feeding hopper 30, a knife box assembly 60 for performing material crushing treatment, and a discharging hopper 70, wherein the feeding hopper 30, the knife box assembly 60, and the discharging hopper 70 are installed on the frame 10 from top to bottom, a discharging end of the lifter 20 is connected to a feeding end of the feeding hopper 30, an intermediate hopper 40 and a material pressing hopper 50 are disposed between the feeding hopper 30 and the knife box assembly 60, the intermediate hopper 40 is disposed above the material pressing hopper 50, a feeding end of the intermediate hopper 40 is connected to a discharging end of the feeding hopper 30, a discharging end of the intermediate hopper 40 is connected to a feeding end of the material pressing hopper 50, a discharging end of the material pressing hopper 50 is connected to a feeding end of the knife box assembly 60, and a discharging end of the knife box assembly 60 is connected to a feeding end of the discharging hopper 70.
In the present invention, the discharging end of the feeding hopper 30 is provided with an upper gate 31 for controlling the material lowering speed, the discharging end of the middle hopper 40 is provided with a middle gate 41 for controlling the material lowering speed, and the discharging end of the lower hopper 70 is provided with a lower gate 73 for controlling the material lowering speed.
In the invention, a first nitrogen interface 41 and a first steam interface 42 are arranged on the middle bucket 40, the first nitrogen interface 41 is connected to a nitrogen source, the first steam interface 42 is connected to a steam source, and the middle bucket 40 is also provided with an air exchange valve 43. And a second nitrogen interface and a second water vapor interface are arranged on the swage hopper 50, the second nitrogen interface is connected to a nitrogen source, and the second water vapor interface is connected to a water vapor source. In a preferred embodiment of the present invention, the material pressing hopper 50 is further provided with a carbon dioxide interface, the carbon dioxide interface is connected to a carbon dioxide supply device, and when necessary, carbon dioxide is fed into the material pressing hopper 50 through the carbon dioxide interface to extinguish a fire.
In a preferred embodiment of the present invention, an oxygen content detector and a temperature sensor are disposed in the swage hopper 50. In a preferred mode of the present invention, a material pressing device 51 is disposed in the material pressing device hopper 50, and the material pressing device 51 is used for pushing the material to the knife box assembly 60 to realize material crushing, and is driven by an oil cylinder, which is already used in a crusher, and the specific structure is not described in detail here.
In a preferred embodiment of the present invention, a temperature sensor is provided in the lower hopper 70. In a preferred mode of the present invention, the lower hopper 70 is provided with a third steam interface 72, and the third steam interface 72 is connected to a steam source to perform temperature reduction and fire extinguishing when necessary.
In the present invention, the knife box assembly 60 mainly includes a knife box, a knife shaft, a blade disposed on the knife shaft, and a hydraulic motor for driving the knife shaft to rotate, and the like, and the knife box can adopt the existing structure in the crushing industry, and the detailed description is omitted here.
After the technical scheme is adopted, the intermediate hopper is arranged for temporarily storing materials so as to better perform continuous feeding to realize continuous production, the intermediate hopper is provided with the first nitrogen interface and the first water vapor interface, the material pressing device hopper is provided with the second nitrogen interface and the second water vapor interface, nitrogen is conveyed into the intermediate hopper through the first nitrogen interface to reduce the oxygen content in the intermediate hopper, nitrogen is conveyed into the material pressing device hopper through the second nitrogen interface to reduce the oxygen content in the material pressing device hopper, the explosion-proof and flame-proof effects are achieved, safe production is ensured, and when high temperature or combustion occurs, water vapor is conveyed through the first water vapor interface and the second water vapor interface to perform cooling and fire extinguishing.
Referring to fig. 5, the automatic feeding apparatus of the present invention includes a liquid feeding module (not shown) and a non-liquid feeding module 20 connected to the rotary kiln 11 of the hazardous waste treatment system, respectively, and preferably, a dual air tight door apparatus is provided at the feed port of the rotary kiln 11 to prevent backfire.
Liquid feed assembly is including the storage jar that is used for the storage liquid waste, the infusion pipeline that one end and storage jar are connected, set up at the infusion pipeline other end and be located the nozzle of rotary kiln 11 and set up corrosion resistant pump and the flowmeter on the infusion pipeline, in addition, still is provided with the filter on the inlet of infusion pipeline, can prevent like this that the solid particle thing in the waste liquid from blockking up the nozzle.
Preferably, the liquid feeding assemblies are more than two, and the heat values of the liquid stored in the storage tanks of the liquid feeding assemblies are different from each other, wherein the nozzle of the liquid feeding assembly with the relatively high heat value of the stored liquid is arranged in the secondary chamber or in the rotary kiln 11 and the secondary chamber, and the nozzle of the liquid feeding assembly with the relatively low heat value of the stored liquid is arranged in the rotary kiln 11, so that waste liquid can be used for replacing part of auxiliary fuel oil, energy is saved, and cost is reduced. In addition, in this embodiment, a steam heat exchanger is further disposed on the storage tank where the heat value of the stored liquid is relatively high, so as to heat the high-heat-value waste liquid with high consistency and viscosity, reduce the consistency and viscosity, and ensure smooth transportation.
The non-gas-liquid feeding assembly 20 comprises a hydraulic piston pusher 21 with a discharge port connected with a feed port of the rotary kiln 11, a metering bin 22 arranged on the feed port of the hydraulic piston pusher 21, a chain scraper conveyor 23 with a discharge end positioned above the metering bin 22, and a feed hopper 24 positioned above a feed end of the chain scraper conveyor 23, and the conveying device comprises a grab crane 25 matched with the feed hopper and a vertical elevator 27 matched with the metering bin 22.
The vertical lifter 27 is mainly used for lifting the barreled waste above the metering bin 22 and throwing the barreled waste into the metering bin 22, the grab bucket crane 25 is mainly used for grabbing the waste in the storage pool 26 into the feed hopper 24, and due to the existence of the feed hopper 24 and the chain scraper conveyor 23, the grabbed waste does not intermittently enter the metering bin 22, but continuously flows into the metering bin 22 after being spread on the chain scraper conveyor 23, so that the feeding stability is ensured, and meanwhile, due to the absence of sudden weight change, the metering is accurate.
In the invention, the grab crane 25 comprises a hydraulic grab 100 and a travelling crane 200, wherein the travelling crane 200 is used for driving the hydraulic grab 100 to move up and down and left and right for grabbing materials.
Preferably, in this embodiment, a thermal imaging camera (not shown) is disposed at the discharge port of the storage tank 26 and/or the hydraulic piston pusher 21 to detect and treat a fire in time.
The invention adopts the non-gas-liquid feeding component to replace the traditional barreled feeding mechanism and bulk feeding mechanism, effectively simplifies the feeding structure, occupies relatively small area and has relatively low equipment cost. Through setting up the drag chain conveyer, help improving the measurement stability of measurement feed bin, can avoid grab bucket hoist and vertical lifting machine mutual interference simultaneously. Through setting up more than two liquid feeding subassemblies, and each liquid feeding subassembly the calorific value of the liquid that the storage jar was saved is different, can spout the liquid that the calorific value is low into hazardous waste processing system's rotary kiln like this, and the liquid that the calorific value is high spouts hazardous waste processing system's second combustion chamber and rotary kiln, and the supplementary fuel of fungible part, the energy saving, reduce cost.
Referring to fig. 7 and 8, the hydraulic grab bucket provided by the invention comprises a support, a hydraulic cylinder 30 arranged on the support and a plurality of grab buckets 20 hinged on the support, wherein the plurality of grab buckets 20 are uniformly distributed along the circumferential direction of the support, the upper ends of the grab buckets 20 are hinged ends hinged on the support, the lower ends of the grab buckets 20 are free ends, the cylinder body of the hydraulic cylinder 30 is hinged on the upper part of the support, and the tail ends of the piston rods of the hydraulic cylinder 30 are hinged on the grab buckets 20. The invention also comprises a connecting frame 40 used for connecting the grab buckets 20 together, the grab buckets 20 are provided with connecting holes 24, the connecting frame 40 comprises a base body 41, a plurality of connecting shafts 42 arranged corresponding to the grab buckets 20 and locking screws 44 arranged at the tail ends of the connecting shafts 42, the number of the connecting shafts 42 is the same as that of the grab buckets 20, the connecting shafts 42 are fixed on the base body 41, the connecting shafts 42 are arranged in the connecting holes 24 in a penetrating manner, and the tail ends of the connecting shafts 42 are provided with external threads 43 matched with the locking screws 44. In the embodiment, the connection shaft 42 is disposed perpendicular to the base 41.
As a preferable mode of the present invention, the base body 41 is annular, the number of the connecting shafts 42 is four, and the connecting shafts 42 are welded to the base body 41.
As a preferred mode of the present invention, the bracket includes an upper plate 11, a lower plate 12 and a connecting plate 13 connected between the upper plate 11 and the lower plate 12, the upper plate 11 is arranged in parallel with the lower plate 12, the grab bucket 20 is hinged at the lower end of the lower plate 12 by a first supporting lug 14 and a first pin, the first supporting lug 14 is two, and the grab bucket 20 is arranged between the two first supporting lugs 14.
As a preferred mode of the present invention, the grapple 20 includes a first side plate 21, a second side plate 22, and a surrounding plate 23 disposed between the first side plate 21 and the second side plate 22, the connecting hole 24 is formed at a lower portion of the surrounding plate 23, the connecting hole 24 penetrates from an upper surface to a lower surface of the surrounding plate 23, a supporting shaft 23 is disposed between the first side plate 21 and the second side plate 22, the supporting shaft 23 is located at an upper middle portion of the grapple 20, and a piston rod 32 of the hydraulic cylinder 30 is hinged to the supporting shaft 23.
In a preferred embodiment of the present invention, the cylinder 31 of the hydraulic cylinder 30 is hinged to the upper plate 11 by a second supporting lug 15 and a second pin, the number of the second supporting lugs 15 is two, and the cylinder 31 of the hydraulic cylinder 30 is disposed between the two second supporting lugs 15.
In a preferred embodiment of the present invention, the upper plate 11 is provided with a lifting lug 17. When the hydraulic grab bucket is used, the hoisting equipment is matched with the lug, so that the hydraulic grab bucket can move.
In a preferred embodiment of the present invention, the number of the grapple 20 is four to six. Before transportation, the grab buckets 20 are collected, the connecting shafts 42 of the connecting frame 40 are respectively arranged on the connecting holes 24 of the grab buckets 20 in a penetrating mode and are positioned through the locking screws 44, the grab buckets 20 are prevented from being opened automatically, and the connecting frame 40 is detached when the grab bucket is used.
The grapple of the present invention is not limited to the form of the embodiment, and it is also possible to adopt a grapple of a structure and to adaptively adjust the structure of the link frame 40.
After the technical scheme is adopted, the connecting shaft penetrates into the connecting hole before transportation, the locking screw is used for positioning, the grab buckets are temporarily fixed together, the grab buckets are prevented from shaking and colliding due to opening and closing in the transportation process, and when the grab bucket is used, the locking screw is only required to be screwed off and the connecting frame is taken down.
The product form of the present invention is not limited to the embodiments and examples shown in the present application, and any suitable changes or modifications of the similar ideas should be made without departing from the patent scope of the present invention.

Claims (8)

1. The utility model provides a high-efficient environmental protection waste disposal system, including the rotary kiln, the postcombustion chamber, half dry quench tower, dry-type reactor, the dust remover, the cooling tower, alkali wash tower and chimney, the end of giving vent to anger of rotary kiln is connected with the inlet end of postcombustion chamber, the end of giving vent to anger of postcombustion chamber is connected with the inlet end of half dry quench tower, the end of giving vent to anger of half dry quench tower is connected with the inlet end of dry-type reactor, the end of giving vent to anger of dry-type reactor is connected with the inlet end of dust remover, the end of giving vent to anger of dust remover is connected with the inlet end of cooling tower, the end of giving vent to anger of cooling tower is connected with the inlet end of alkali wash tower, the end of giving vent to anger of: a waste gas treatment device is further arranged between the alkaline tower and the chimney, the waste gas treatment device comprises a spray tower, a filter box, adsorption beds and a catalytic combustion device, at least two adsorption beds are respectively arranged as a first adsorption bed and a second adsorption bed, the upper parts of the adsorption beds are provided with a first air inlet and a second air outlet, the lower parts of the adsorption beds are provided with a first air outlet and a second air inlet, the first air inlet is communicated with the air outlet of the filter box, the second air outlet is communicated with the air inlet of the catalytic combustion device, the waste gas treatment device further comprises a first fan, a second fan and a third fan, the air outlet end of the first fan is communicated with the second air inlet, the air inlet end of the first fan is communicated with the atmosphere, the air inlet end of the second fan is communicated with the air outlet end of the catalytic combustion device, and the air outlet end of the second fan is communicated with the second air inlet, the air inlet end of the third fan is communicated with the first air outlet, the air outlet end of the third fan is communicated with the atmosphere, a first pipeline is arranged between the air outlet end of the first fan and the air outlet end of the second air outlet, a first control valve is arranged on the first pipeline, an exhaust pipe communicated with the atmosphere is further arranged on the first pipeline, a second control valve is arranged on the exhaust pipe, a first filter cotton layer and a second filter cotton layer are arranged in the filter box, the filter box is divided into a first chamber, a second chamber and a third chamber by the first filter cotton layer and the second filter cotton layer, the third chamber is communicated with the first air inlet of the adsorption bed, the adsorption bed further comprises a differential pressure gauge for detecting the differential pressure between the first chamber and the second chamber, the adsorption bed is an activated carbon adsorption bed, a third control valve is arranged between the filter box and the first air inlet, and a fourth control valve is arranged between the second air outlet and the catalytic combustion device, a fifth control valve is arranged between the first air outlet and the third fan, a sixth control valve is arranged between the second air inlet and the first fan, a seventh control valve is arranged between the first fan and the first control valve, the alkaline washing tower further comprises a flue gas heater, the air outlet end of the alkaline washing tower is connected with the air inlet end of the flue gas heater, and the air outlet end of the flue gas heater is connected with the air inlet end of the induced draft fan; the lower extreme of half-dry quench tower is equipped with first awl fill portion, and the lower extreme of dry-type reactor is equipped with second awl fill portion, and the lower extreme of second awl fill portion is higher than the upper end of first awl fill portion, still including linking up the pipeline, links up the upper end of pipeline and the lower extreme of second awl fill portion and links up, and the lower extreme that links up the pipeline is connected with the lateral wall of first awl fill portion, links up the relative horizontal plane slope setting of pipeline.
2. A high efficiency, environmentally friendly waste treatment system as defined in claim 1, wherein: the rotary kiln waste conveying device is characterized by further comprising a crushing device and an automatic feeding device, a conveying device used for conveying waste is arranged between the crushing device and the feeding end of the automatic feeding device, and the discharging end of the automatic feeding device is connected with the feeding end of the rotary kiln.
3. An efficient and environmentally friendly waste treatment system as defined in claim 2, wherein: the crushing device comprises a lifter, a frame, a feeding hopper, a knife box assembly and a discharging hopper, wherein the knife box assembly and the discharging hopper are used for crushing materials, a storage pool is arranged below the discharging hopper, the feeding hopper, the knife box assembly and the discharging hopper are arranged on the frame from top to bottom, the discharging end of the lifter is connected with the feeding end of the feeding hopper, a middle hopper and a material pressing device hopper are arranged between the feeding hopper and the knife box assembly, the middle hopper is arranged above the material pressing device hopper, an upper gate used for controlling the lowering speed of the materials is arranged at the discharging end of the feeding hopper, a middle gate used for controlling the lowering speed of the materials is arranged at the discharging end of the middle hopper, a lower gate used for controlling the lowering speed of the materials is arranged at the discharging end of the discharging hopper, a first nitrogen interface and a first water vapor interface are arranged on the middle hopper, the first nitrogen interface is connected to a nitrogen source, the first water vapor interface is connected, the second nitrogen interface is connected to a nitrogen source, and the second water vapor interface is connected to a water vapor source.
4. A high efficiency and environmental friendly waste treatment system as defined in claim 3, wherein: the carbon dioxide interface is further arranged on the material pressing device hopper and connected to a carbon dioxide supply device, an oxygen content detector is arranged in the material pressing device hopper, a temperature sensor is arranged in the blanking hopper, a third steam interface is arranged on the blanking hopper and connected to a steam source, a temperature sensor is arranged in the material pressing device hopper, a material pressing device is arranged in the material pressing device hopper, and hydraulic driving mechanisms are arranged on the upper gate, the middle gate and the lower gate.
5. An efficient and environmentally friendly waste treatment system as defined in claim 2, wherein: automatic feed arrangement includes liquid feeding subassembly and non-gaseous liquid feeding subassembly, liquid feeding subassembly including storage jar, one end that is used for saving liquid waste material with infusion pipeline, the setting that the storage jar is connected are in the infusion pipeline other end just is located nozzle and setting in the rotary kiln are in last corrosion resistant pump and the flowmeter of infusion pipeline, non-gaseous liquid feeding subassembly include the discharge gate with hydraulic piston pusher, the setting that the feed inlet of rotary kiln is connected are in measurement feed bin, discharge end on the feed inlet of hydraulic piston pusher are located the link joint conveyor of measurement feed bin top, are located the feeder hopper of link joint conveyor's feed end top, conveyer include with feeder hopper complex grab bucket hoist with measurement feed bin complex vertical elevator.
6. An efficient and environmentally friendly waste treatment system as defined in claim 5, wherein: the grab crane comprises a travelling crane and hydraulic grab buckets movably arranged on the travelling crane, more than two liquid feeding assemblies are arranged, the heat values of liquid stored in the storage tanks of the liquid feeding assemblies are different, and the storage tanks are also provided with steam heat exchangers.
7. A high efficiency, environmentally friendly waste treatment system as defined in claim 1, wherein: be equipped with the condensate water shower nozzle in the cooling tower, be equipped with the sodium hydroxide solution shower nozzle in the alkaline tower, still include waste heat recovery system, waste heat recovery system's inlet end with the end of giving vent to anger of postcombustion chamber links up, waste heat recovery system give vent to anger the end with the inlet end of half-dry quench tower links up, be equipped with exhaust-heat boiler in the waste heat recovery system, exhaust-heat boiler is last to be equipped with water inlet and steam outlet, and the water inlet is connected with the water supply tank, still includes the cylinder that divides, the inlet end and the steam outlet of cylinder link up, the cylinder that divides give vent to anger the end with gas heater connects.
8. An efficient and environmentally friendly waste treatment system as defined in claim 7, wherein: the gas outlet end of the gas distribution cylinder is further connected to a steam condenser, a combustion air preheater and a multi-effect evaporator, and the steam condenser, the combustion air preheater and the condensate water outlet of the flue gas heater are connected to the water supply pool through condensate water tanks.
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CN109761431A (en) * 2019-03-14 2019-05-17 广东沃泰环保有限公司 A kind of landfill leachate treatment integrated equipment and method for treating garbage percolation liquid
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CN110056883A (en) * 2019-05-23 2019-07-26 江苏利百川环保科技有限公司 A kind of thermal decomposition furnace grate furnace system
CN112664256A (en) * 2020-12-22 2021-04-16 池焮诺 Colliery dust removal explosion-proof equipment
CN112857579A (en) * 2021-01-08 2021-05-28 湖南中冶长天节能环保技术有限公司 High-temperature detection-fire extinguishing treatment method and system for activated carbon flue gas purification device
CN112892151B (en) * 2021-01-13 2022-05-03 中冶长天国际工程有限责任公司 Method and system for extinguishing and cooling treatment of high-temperature activated carbon at unloading section after analysis
CN112870589B (en) * 2021-01-13 2022-08-16 中冶长天国际工程有限责任公司 Method and system for extinguishing fire and reducing temperature by using active carbon on vibrating screen
CN113023323B (en) * 2021-01-29 2023-03-03 广灵金隅水泥有限公司 Material supply system

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