CN212833614U - Cracking treatment system - Google Patents

Abstract

The utility model discloses a cracking treatment system, cracking treatment system includes desicator, pyrolysis reactor, garbage collection system, heating system, condensation piece-rate system and control system. The dryer is provided with a first feeding hole, a first discharging hole, a first air inlet, a first air outlet and a smoke outlet; the cracking reactor is provided with a second feeding hole, a second discharging hole, a second air inlet and a second air outlet; the second feed inlet is communicated with the first discharge outlet; the waste material collecting system is communicated with the second discharge hole; the heat supply system comprises a steam generator, a fuel gas generator and a superheater; the gas outlet of the steam generator and the gas outlet of the gas generator are both communicated with the gas inlet of the superheater; the gas outlet of the superheater is communicated with the second gas inlet of the cracking reactor. The technical scheme of the utility model, the heat supply is stable in the system operation process, and the solid waste schizolysis is abundant, and energy utilization efficiency is high.

Description

Cracking treatment system

Technical Field

The utility model relates to a solid waste handles the field, in particular to schizolysis processing system.

Background

Solid wastes such as meal wastes, kitchen wastes, medical wastes and the like have great environmental pollution, and can cause long-term environmental pollution, and thermal cracking is a relatively new technical trend in the application field of solid waste treatment technology. The solid waste is cracked under the high temperature (for example, 600 ℃) oxygen-free or oxygen-deficient environment, and the cracked products are mainly gaseous cracked gas, liquid light oil, solid coke and carbon black.

After some existing cracking treatment systems are started, superheated steam needs to be generated for a long time, in the cracking reaction process, the material properties of solid wastes are complex, and the quantity of generated cracking gas can be changed, so that the heat supply of the whole system is insufficient due to unstable supply of the recycled cracking gas, and further the cracking of the solid wastes is insufficient.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a schizolysis processing system, the heat supply is stable among the system operation process, and the solid waste schizolysis is abundant, and energy efficiency is high.

According to the utility model discloses a schizolysis processing system of first aspect embodiment, including the desicator, the desicator is provided with first feed inlet, first discharge gate, first air inlet, first gas outlet and outlet flue; the cracking reactor is provided with a second feeding hole, a second discharging hole, a second air inlet and a second air outlet; the second feed inlet is communicated with the first discharge outlet; a waste collection system in communication with the second discharge port; a heat supply system comprising a steam generator, a gas generator and a superheater; the gas outlet of the steam generator and the gas outlet of the gas generator are both communicated with the gas inlet of the superheater; the gas outlet of the superheater is communicated with the second gas inlet of the cracking reactor; the condensation separation system is communicated with the first air outlet and the smoke outlet respectively; the gas generator is connected with the condensation separation system, and the condensation separation system is used for condensing and separating the reacted mixed gas and supplying the separated pyrolysis gas to the gas generator; and the control system is electrically connected with the dryer, the cracking reactor, the waste collection system, the heat supply system and the condensation separation system respectively.

The technical scheme at least has the following beneficial effects: the technical proposal of the embodiment of the first aspect of the utility model adopts the steam generator and the fuel gas generator to heat water to form superheated steam, the superheater further heats the superheated steam to make the superheated steam reach the temperature required by the cracking reaction, and then the superheated steam heated to the temperature required by the cracking reaction is introduced into the cracking reactor to supply heat; heating and cracking the solid waste in the cracking reactor; collecting solid products (such as coke, carbon black and the like) obtained after cracking the solid wastes by a waste collection system; gaseous products (such as pyrolysis gas, gaseous light oil and the like) after the solid waste is cracked are discharged into a dryer along with superheated steam; the dryer preheats and dries the solid waste in the dryer by using the waste heat of the mixed gas consisting of the superheated steam, the pyrolysis gas and the gaseous light oil, thereby improving the utilization efficiency of heat energy and reducing the energy consumption; the mixed gas is discharged from the smoke outlet and the first gas outlet of the dryer to a condensation and separation system for condensation and separation; condensing and separating to obtain condensed water, pyrolysis gas and liquid light oil; the pyrolysis gas is introduced into the gas generator to be used as fuel for combustion, and then the gas generator provides sufficient superheated steam for supplying heat to the pyrolysis reactor. Because the steam generator is driven by electric energy, when the system is started, the steam generator is used for heating water to form superheated steam, the superheated steam forming speed is high, and the time spent is short; after the cracking reaction is stable, the generated cracking gas is used as fuel to be matched with a fuel gas generator for combustion and heat supply so as to provide sufficient superheated steam, and the steam generator can be closed at the moment so as to save energy consumption; because the volume of the system among the prior art pyrolysis gas receives the influence that each component content of solid waste is different in the use can change, leads to gas generator's superheated steam supply unstable, the technical scheme of the embodiment of the utility model provides an among, gas generator is as main heating equipment, and steam generator supplies superheated steam as supplementary heating equipment, through the continuous superheated steam that supplies of source, can guarantee the stable superheated steam environment of system, makes the pyrolysis of solid waste more abundant and more stable.

According to some embodiments of the present invention, the pyrolysis treatment system further comprises a circulation cooling system comprising a circulation water tank and a circulation water pump; the circulating water tank is connected with the circulating water pump, is communicated with tap water, and is also respectively communicated with the cracking reactor, the waste collecting system and the condensation and separation system; the circulating water pump is respectively communicated with the cracking reactor, the waste collecting system and the condensation separating system, and the circulating water pump is electrically connected with the control system.

According to some embodiments of the present invention, a first screw conveyor is provided in the dryer; the first spiral conveying mechanism is electrically connected with the control system; the cracking reactor also comprises a second spiral conveying mechanism, a steam pipeline, a first air-lock valve, a second air-lock valve and a cooling sealing device; the second spiral conveying mechanism is electrically connected with the control system, and the second spiral conveying mechanism and the steam pipeline are both arranged in the cracking reactor; the steam pipeline is communicated with the second air inlet, extends from one end of the cracking reactor to the other end of the cracking reactor, and is provided with a plurality of exhaust holes; the first air shutter machine and the second air shutter machine are respectively electrically connected with the control system; the first air seal machine is connected with the second feed inlet; the second air-lock valve is connected with the second discharge hole; the cooling sealing device is used for cooling the shaft end of the second spiral conveying mechanism; the cooling sealing device is provided with a first water inlet and a first water outlet; the first water inlet is communicated with the circulating water pump; the first water outlet is communicated with the circulating water tank.

According to some embodiments of the invention, the waste collection system comprises a cooling screw conveyor and a receiving bin; the feed inlet of the cooling screw conveyor is communicated with the second discharge outlet, the discharge outlet of the cooling screw conveyor is connected with the material receiving barrel, the water inlet of the cooling screw conveyor is communicated with the circulating water pump, the water outlet of the cooling screw conveyor is communicated with the circulating water tank, and the cooling screw conveyor is electrically connected with the control system; the material receiving barrel is used for collecting waste materials after the cracking reaction.

According to some embodiments of the invention, the condensation separation system comprises a condenser, a three-phase separator and an induced draft fan; the air inlet of the condenser is communicated with the first air outlet, the discharge hole of the condenser is communicated with the feed inlet of the three-phase separator, the liquid inlet of the condenser is communicated with the circulating water pump, and the liquid outlet of the condenser is communicated with the circulating water tank; the smoke outlet is communicated with the three-phase separator; the three-phase separator is used for carrying out water, oil and gas three-phase separation on the condensed mixture and the flue gas; the air inlet of the draught fan is connected with the air outlet of the three-phase separator, the air outlet of the draught fan is connected with the air inlet of the fuel gas generator, the water inlet of the draught fan is communicated with the circulating water pump, and the water outlet of the draught fan is communicated with the circulating water tank; the condenser, the three-phase separator and the induced draft fan are respectively and electrically connected with the control system.

According to some embodiments of the invention, the condensation separation system further comprises a cyclone and a steam wash tank; the air inlet of the cyclone dust collector is connected with the second air outlet, and the air outlet of the cyclone dust collector is connected with the first air inlet; the steam washing tank is communicated with tap water, and the steam washing tank is communicated with the air outlet of the draught fan.

According to some embodiments of the invention, the heating system further comprises a gas tank and a gasification furnace; the gas tank is filled with liquefied petroleum gas and is connected with the gasification furnace; the gasification furnace is used for gasifying the liquefied petroleum gas and is connected with the fuel gas generator.

According to some embodiments of the present invention, the pyrolysis reaction system further comprises a soft water treatment device; the soft water treatment device comprises a water inlet buffer tank, a water inlet pump, a soft water filter and a salt tank; the water inlet of the water inlet buffer tank is communicated with tap water, and the water outlet of the water inlet buffer tank is communicated with the water inlet of the water inlet pump; the water inlet of the soft water filter is communicated with the water outlet of the water inlet pump; the water inlet of the steam generator and the water inlet of the fuel gas generator are both communicated with the water outlet of the soft water filter; the salt tank is connected with the soft water filter.

According to some embodiments of the present invention, the pyrolysis reaction system further comprises a feeding device and a pretreatment system; the feeding device is communicated with the first feeding hole and is used for feeding materials to the dryer; the pretreatment system comprises a garbage can lifter, a crushing and squeezing integrated machine and a feeding screw conveyor; the garbage can hoister is used for conveying solid wastes to the crushing and squeezing integrated machine; the crushing and squeezing all-in-one machine is connected with a feeding hole of the feeding screw conveyor, and is used for crushing and squeezing solid waste and conveying the solid waste to the feeding screw conveyor; and a discharge port of the feeding screw conveyor is connected with the feeding device.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a process flow diagram of a pyrolysis treatment system according to an embodiment of the present invention;

fig. 2 is a process flow diagram of a hydronic cooling system according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a cleavage reactor according to an embodiment of the present invention;

FIG. 4 is a process flow diagram of a soft water treatment apparatus according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a pretreatment system according to an embodiment of the present invention.

Reference numerals:

the device comprises a feeding device 100, a dryer 200, a first feeding hole 210, a first discharging hole 220, a first air inlet 230, a first air outlet 240, a smoke outlet 250, a first spiral conveying mechanism 260, a cracking reactor 300, a second feeding hole 310, a second discharging hole 320, a second air inlet 330, a second air outlet 340, a second spiral conveying mechanism 350, a steam pipeline 360, an exhaust hole 361, a first air-shutting fan 370, a second air-shutting fan 380, a cooling sealing device 390, a first water inlet 391, a first water outlet 392, a cooling spiral conveyor 400, a receiving bucket 500, a circulating water tank 610, a circulating water pump 620, a steam generator 1100, a fuel gas generator 1200, a superheater 1300, a fuel gas tank 1400, a gasification furnace 1500, a condenser 2100, a three-phase separator 2300, a draught fan 2300, a cyclone dust collector 2400, a steam washing tank 2500, a water inlet buffer tank, a water inlet pump 3200, a soft water filter 3300, a salt tank 3400, a garbage bucket elevator 4100, a soft water filter 410, Crushing and squeezing all-in-one machine 4200 and a feeding screw conveyor 4300.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, etc., is the orientation or positional relationship shown on the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, a cracking treatment system according to a first aspect of an embodiment of the present invention includes a dryer 200, the dryer 200 is provided with a first inlet 210, a first outlet 220, a first inlet 230, a first outlet 240, and a smoke outlet 250;

the cracking reactor 300, the cracking reactor 300 is provided with a second feed inlet 310, a second discharge outlet 320, a second gas inlet 330 and a second gas outlet 340; the second feed port 310 is communicated with the first discharge port 220;

a waste collection system in communication with the second outlet 320;

a heating system including a steam generator 1100, a gas generator 1200, and a superheater 1300; the gas outlet of the steam generator 1100 and the gas outlet of the gas generator 1200 are both communicated with the gas inlet of the superheater 1300; the gas outlet of the superheater 1300 is communicated with the second gas inlet 330 of the cracking reactor 300;

the condensation separation system is communicated with the first air outlet 240 and the smoke outlet 250 respectively; the gas generator 1200 is connected to a condensation separation system for condensing and separating the reacted mixture gas and supplying the separated pyrolysis gas to the gas generator;

and the control system is electrically connected with the dryer 200, the cracking reactor 300, the waste collection system, the heat supply system and the condensation separation system respectively.

Specifically, when the system is started, the steam generator 1100 mainly supplies superheated steam, and since the steam generator 1100 is driven by electric energy, the superheated steam is formed quickly and takes a short time; the steam generator 1100 supplies superheated steam, and the superheated steam is further heated by the superheater 1300 to a temperature (e.g., 600 ℃) required for the cracking reaction; introducing the superheated steam into the cracking reactor 300 for oxygen removal treatment and heat supply, so that a stable superheated steam environment and an oxygen-free environment are maintained in the cracking reactor 300; the superheated steam in the cracking reactor 300 is discharged into the dryer 200 through the second air outlet 340, and the waste heat of the superheated steam is utilized to preheat the interior of the dryer 200, thereby improving the utilization efficiency of heat energy.

Further, the solid waste enters the dryer 200 through the first inlet 210, is preheated and dried in the dryer 200, and is then conveyed to the cracking reactor 300 for cracking. The products after cracking the solid waste mainly include solid products (such as coke, carbon black and the like) and gaseous products (such as pyrolysis gas, gaseous light oil and the like). Conveying the cracked solid products (such as coke and carbon black) to a waste collection system, and collecting the solid products by the waste collection system; the cracked gaseous products (e.g., cracked gas, gaseous light oil, etc.) are discharged into the dryer 200 along with the superheated steam; the dryer 200 preheats and dries the solid waste in the dryer 200 by using the waste heat of the mixed gas consisting of the superheated steam, the pyrolysis gas and the gaseous light oil, thereby improving the utilization efficiency of heat energy and reducing the energy consumption; the mixed gas is discharged from the smoke outlet 250 and the first gas outlet 240 of the dryer 200 to a condensation and separation system for condensation and separation; condensing and separating the mixed gas to obtain condensed water, pyrolysis gas and liquid light oil; the cracked gas is passed to gasifier 1200 as fuel.

Furthermore, after the cracking reaction is stable, the generated cracked gas is burned as fuel to supply heat to the gas generator 1200, the gas generator 1200 heats water to provide sufficient superheated steam, and the steam generator 1100 can be turned off to save energy consumption; because the amount of the pyrolysis gas generated by the pyrolysis reaction is large and small due to the fact that the amount of the pyrolysis gas is influenced by different contents of the components of the solid waste in the using process of the system, the pyrolysis gas is not stably combusted in the gas generator 1200, so that the supply of superheated steam of the gas generator 1200 is not stable, and the steam generator 1100 serving as an auxiliary device for supplying superheated steam can ensure a stable superheated steam environment of the system, so that the solid waste is more fully and stably cracked.

Referring to fig. 1 and 2, in some embodiments, the cracking treatment system further comprises a recirculating cooling system comprising a recirculating water tank 610 and a recirculating water pump 620; the circulating water tank 610 is connected with a circulating water pump 620, the circulating water tank 610 is communicated with tap water, and the circulating water tank 610 is also respectively communicated with the cracking reactor 300, the waste collection system and the condensation separation system; the circulating water pump 620 is respectively communicated with the cracking reactor 300, the waste collecting system and the condensation separating system, and the circulating water pump 620 is electrically connected with the control system.

Specifically, the circulating cooling system is respectively connected with the cracking reactor 300, the waste collecting system and the condensation separating system, so that the cracking reactor 300, the waste collecting system and the condensation separating system are kept in a proper temperature range under all working conditions, and the stable operation of the equipment is ensured.

Referring to fig. 1 and 3, in some embodiments, a first auger mechanism 260 is provided within the dryer 200; the first spiral conveying mechanism 260 is electrically connected with the control system; the cracking reactor 300 further comprises a second screw conveying mechanism 350, a steam pipeline 360, a first air lock 370, a second air lock 380 and a cooling sealing device 390; the second spiral conveying mechanism 350 is electrically connected with the control system, and the second spiral conveying mechanism 350 and the steam pipeline 360 are arranged in the cracking reactor; the steam pipeline 360 is communicated with the second air inlet 330, the steam pipeline 360 extends from one end of the cracking reactor 300 to the other end of the cracking reactor 300, and a plurality of exhaust holes 361 are formed in the steam pipeline 360; the first air-shutting machine 370 and the second air-shutting machine 380 are respectively electrically connected with the control system; the first air-lock valve 370 is connected with the second feed inlet 310; the second air-lock valve 380 is connected with the second discharge hole 320; the cooling seal device 390 is used for cooling the shaft end of the second screw conveying mechanism 350; the cooling and sealing device is provided with a first water inlet 391 and a first water outlet 392; the first water inlet 391 is communicated with the circulating water pump 620; the first water outlet 392 communicates with the circulation water tank 610.

Specifically, the first screw conveying mechanism 260 is arranged to continuously convey the solid waste in the dryer 200, and the solid waste is conveyed under the driving of the rotation of the first screw conveying mechanism 260 to be fully contacted with the superheated steam with the residual heat, so that the solid waste is fully preheated and dried. The solid waste can be continuously conveyed in the cracking reactor 300 by arranging the second screw conveying mechanism 350, and the solid waste is conveyed under the driving of the rotation of the second screw conveying mechanism 350 to be fully contacted with the superheated steam, so that the solid waste is fully cracked.

Further, a steam pipeline 360 is further arranged in the cracking reactor 300 and is communicated with the second air inlet 330, the steam pipeline 360 extends from one end of the cracking reactor 300 to the other end of the cracking reactor 300, and a plurality of exhaust holes 361 are formed in the steam pipeline 360; superheated steam enters the steam pipeline 360 from the second air inlet 330 and is discharged into the cracking reactor 300 from the plurality of exhaust holes 361 on the steam pipeline 360, and the superheated steam is uniformly distributed in the cracking reactor 300, so that the solid waste is heated more fully, and the full cracking of the solid waste is facilitated.

Furthermore, the first air lock 370 can continuously and uniformly supply the pyrolysis reactor 300, and can prevent the superheated steam in the pyrolysis reactor 300 from overflowing from the second inlet 310, and the second air lock 380 can continuously and uniformly convey the solid products (such as coke and carbon black, etc.) generated by the pyrolysis reaction to the waste collection system. The first screw conveying mechanism 260 and the second screw conveying mechanism 350 are combined with the first air lock 370 and the second air lock 380, so that the solid waste can be continuously fed, and the cracking reaction can be continuously performed.

Referring to fig. 1, in some embodiments, the scrap collecting system includes a cooling screw conveyor 400 and a receiving bin 500; the feed inlet of the cooling screw conveyor 400 is communicated with the second discharge outlet 320, the discharge outlet of the cooling screw conveyor 400 is connected with the receiving barrel 500, the water inlet of the cooling screw conveyor 400 is communicated with the circulating water pump 620, the water outlet of the cooling screw conveyor 400 is communicated with the circulating water tank 610, and the cooling screw conveyor 400 is electrically connected with the control system; the receiving barrel 500 is used for collecting waste materials after the cracking reaction.

Specifically, as the temperature of the solid products (such as coke, carbon black and the like) generated by cracking is higher, the solid products are conveyed to the charging barrel 500 by the cooling screw conveyor 400 for collection, and the temperature of the solid products (such as coke, carbon black and the like) can be effectively reduced by cooling through the circulating cooling system during the conveying process of the cooling screw conveyor 400. But not limited thereto, different equipment can be selected for collecting the waste material according to the actual process requirements.

Referring to fig. 1, in some embodiments, a condensation separation system includes a condenser 2100, a three-phase separator 2200, and an induced draft fan 2300; an air inlet of the condenser 2100 is communicated with the first air outlet 240, a discharge hole of the condenser 2100 is communicated with a feed inlet of the three-phase separator 2200, a liquid inlet of the condenser 2100 is communicated with the circulating water pump 620, and a liquid outlet of the condenser 2100 is communicated with the circulating water tank 610; the smoke outlet 250 communicates with the three-phase separator 2200; the three-phase separator 2200 is used for performing water, oil and gas three-phase separation on the condensed mixture and the flue gas; an air inlet of the induced draft fan 2300 is connected with an air outlet of the three-phase separator 2200, an air outlet of the induced draft fan 2300 is connected with an air inlet of the fuel gas generator 1200, an water inlet of the induced draft fan 2300 is communicated with the circulating water pump 620, and a water outlet of the induced draft fan 2300 is communicated with the circulating water tank 610; the condenser 2100, the three-phase separator 2200 and the induced draft fan 2300 are respectively electrically connected with the control system.

Specifically, the cracked gaseous product is mainly cracked gas, the cracked liquid product is mainly light oil, and the light oil is vaporized due to the high cracking reaction temperature (for example, 600 ℃); gaseous pyrolysis gas and gaseous light oil enter the dryer 200 from the pyrolysis reactor 300 along with superheated steam, are discharged from the first gas outlet 240 of the dryer 200, enter the condenser 2100 for condensation, further, a condensed product is introduced into the three-phase separator 2200 for three-phase separation of water, oil and gas, and condensed water, liquid light oil and pyrolysis gas are separated; the separated cracked gas is introduced into the gas generator 1200 to be used as fuel. The induced draft fan 2300 is connected with the circulating cooling system, so that the induced draft fan 2300 is kept in a proper temperature range under all working conditions, and the stability of pneumatic conveying operation is ensured.

Referring to fig. 1, in some embodiments, the condensation separation system further comprises a cyclone 2400 and a steam wash tank 2500; an air inlet of the cyclone 2400 is connected with the second air outlet 340, and an air outlet of the cyclone 2400 is connected with the first air inlet 230; the steam washing tank 2500 is communicated with tap water, and the steam washing tank 2500 is communicated with an air outlet of the induced draft fan 2300.

Specifically, gaseous cracked gas and gaseous light oil enter the dryer 200 from the cracking reactor 300 along with superheated steam, and will take away a part of dust and enter the dryer 200, and through setting up the cyclone 2400 between the second gas outlet 340 of the cracking reactor 300 and the first gas inlet 230 of the dryer 200, can collect the dust, prevent that the dust from entering the dryer 200 and causing the influence to the dryer 200.

Further, in some embodiments, the yield of the pyrolysis gas is sufficient, the pyrolysis gas is introduced into the gas generator 1200 to be used as fuel for combustion and utilization, so as to reduce energy consumption, and the combusted gas is introduced into the steam washing tank 2500 to be discharged after being steam-washed, so as to reduce pollution to the environment; when the yield of the pyrolysis gas is insufficient, the pyrolysis gas is unstably combusted in the gas generator 1200, so that the supply of superheated steam of the gas generator 1200 is unstable, the pyrolysis gas can be introduced into the steam washing tank 2500 to be collected after being subjected to steam washing, and the superheated steam is provided by the steam generator 1100, so that the stable superheated steam environment of the system is ensured.

Referring to fig. 1, in some embodiments, the heating system further includes a gas tank 1400 and a gasification furnace 1500; liquefied petroleum gas is filled in the gas tank 1400, and the gas tank 1400 is connected with the vaporizing furnace 1500; the vaporizing furnace 1500 is used to vaporize the liquefied petroleum gas, and the vaporizing furnace 1500 is connected to the gas generator 1200.

Specifically, since the amount of the cracked gas in the use process of the system is affected by the content difference of the components of the solid waste, the amount of the cracked gas generated by the cracking reaction is large, small, and unstable combustion of the cracked gas in the gas generator 1200, which results in unstable supply of the superheated steam of the gas generator 1200, in this embodiment, the gas tank 1400 is used to provide liquefied petroleum gas to the gas generator 1200, so that the fuel supply is stable, the superheated supply is stable, and the stable superheated steam environment of the system is ensured.

Further, since the natural vaporization of the lpg gas in the gas tank 1400 is easily affected by the external temperature and the amount of the lpg gas, and a large amount of heat is absorbed during the vaporization of the lpg gas, so that the surface of the gas tank 1400 is frozen, and the conditions of insufficient fire and unstable pressure occur, in some embodiments, the vaporizer 1500 is used to vaporize the lpg gas in the gas tank 1400, so that the pressure is stable, the fuel is stably supplied to the gas generator 1200, and the gas tank 1400 is prevented from being frozen.

Referring to fig. 1 and 4, in some embodiments, the cleavage reaction system further comprises a soft water treatment device; the soft water treatment device comprises a water inlet buffer tank 3100, a water inlet pump 3200, a soft water filter 3300 and a salt tank 3400; the water inlet of the water inlet buffer tank 3100 is communicated with tap water, and the water outlet of the water inlet buffer tank 3100 is communicated with the water inlet of the water inlet pump 3200; the water inlet of the soft water filter 3300 is communicated with the water outlet of the water inlet pump 3200; the water inlet of the steam generator 1100 and the water inlet of the gas generator 1200 are both communicated with the water outlet of the soft water filter 3300; the salt tank 3400 is connected to a soft water filter 3300.

Specifically, the soft water is treated by the soft water treatment device and then supplied to the steam generator 1100 and the gas generator 1200, and the soft water is heated by the steam generator 1100 and the gas generator 1200 to form superheated steam. The soft water is used for heating, so that accumulated water scales in the steam generator 1100 and the gas generator 1200 can be reduced, the blockage can be reduced, the heat efficiency can be improved, and the energy consumption can be reduced.

Referring to fig. 1 and 5, in some embodiments, the cleavage reaction system further comprises a feed device 100 and a pretreatment system; the supply device 100 is communicated with the first feed port 210, and is used for supplying the dryer 200; the pretreatment system comprises a garbage can lifter 4100, a crushing and squeezing integrated machine 4200 and a feeding screw conveyor 4300; the garbage can elevator 4100 is used for conveying solid waste to the crushing and pressing integrated machine 4200; the crushing and pressing integrated machine 4200 is connected with a feed inlet of the feeding screw conveyor 4300, and the crushing and pressing integrated machine 4200 is used for crushing and pressing solid waste and conveying the solid waste to the feeding screw conveyor 4300; the discharge port of the feeding screw conveyor 4300 is connected with the feeding device 100.

Specifically, the solid waste is fed from the feeding device 100 to the dryer 200; generally, the feeding device 100 is a screw conveyor, a rotary discharger, etc., but is not limited thereto and may be selected according to the actual situation.

Further, after solid waste such as household garbage is collected, the solid waste is conveyed to a crushing and squeezing integrated machine 4200 through a garbage can lifter 4100 to be crushed and squeezed, and the solid waste is pretreated; then, the mixture is conveyed to the feeding device 100 by the feeding screw conveyor 4300, and is fed to the dryer 200 by the feeding device 100. The cracking treatment system in this embodiment can complete feeding of solid waste on the ground, pre-treat the solid waste through the crushing and squeezing integrated machine 4200, convey the solid waste into the feeding device 100 through the feeding screw conveyor 4300, complete cracking reaction through the dryer 200 and the cracking reactor 300 from top to bottom, and finally collect waste through the waste collection system, so that the whole system is compact in structure and occupies less space.

Referring to fig. 1, the steps of the cracking process according to the embodiment of the present invention are as follows:

the steam generator 1100 heats water to form first superheated steam, and passes the first superheated steam into the superheater 1300;

the superheater 1300 further heats the first superheated steam to obtain a second superheated steam, wherein the second superheated steam can reach a temperature (for example, 600 ℃) required by the cracking reaction;

introducing second superheated steam into the cracking reactor 300, wherein the second superheated steam carries out oxygen removal treatment and heat supply on the cracking reactor 300;

introducing second superheated steam in the cracking reactor 300 into the dryer 200, and performing oxygen removal treatment and preheating on the dryer 200 by using the second superheated steam;

conveying the solid waste into a dryer 200 for drying and preheating to obtain dry solid waste;

conveying the dried solid waste into a cracking reactor 300 for cracking reaction to obtain a solid product and a gaseous product;

conveying the solid product to a waste material collecting system for collection;

introducing the mixed gas of the gaseous product and the second superheated steam into a condensation separation system for condensation and separation to obtain liquid light oil, pyrolysis gas and condensed water;

the cracked gas is delivered as fuel to the gas generator 1200 for combustion, so that the gas generator 1200 heats water to form first superheated steam, and the gas generator 1200 delivers the first superheated steam to the superheater 1300.

Specifically, the steam generator 1100 and the gas generator 1200 are used to heat water to form superheated steam, the superheater 1300 further heats the superheated steam to a temperature required for the cracking reaction, and the superheated steam is introduced into the cracking reactor 300 to supply heat. The solid waste in the cracking reactor 300 is cracked by heating; collecting solid products (such as coke, carbon black and the like) obtained after cracking the solid wastes by a waste collection system; gaseous products (such as pyrolysis gas, gaseous light oil and the like) after the cracking of the solid waste are discharged into the dryer 200 together with the superheated steam; the dryer 200 preheats and dries the solid waste in the dryer 200 by using the waste heat of the mixed gas consisting of the superheated steam, the pyrolysis gas and the gaseous light oil, thereby improving the utilization efficiency of heat energy and reducing the energy consumption; the mixed gas is discharged from the smoke outlet and the first gas outlet of the dryer 200 to a condensation and separation system for condensation and separation; condensing and separating to obtain condensed water, pyrolysis gas and liquid light oil; the cracked gas is introduced into the gasifier 1200 to be burned as fuel, and sufficient superheated steam is provided from the gasifier 1200 to supply heat to the cracking reactor 300.

Further, when the system is started, because the steam generator 1100 is driven by electric energy, the steam generator 1100 is used for heating water to form superheated steam, the superheated steam forming speed is high, and the time spent is short; after the cracking reaction is stabilized, the generated cracked gas is used as fuel to supply sufficient superheated steam in cooperation with the combustion heat of the gas generator 1200, and the steam generator 1100 may be turned off to save energy consumption.

In some embodiments, the cracking process step further comprises when the yield of cracked gas is insufficient, the steam generator 1100 heats water to form a first superheated steam, and passes the first superheated steam into the superheater 1300; when the yield of the pyrolysis gas is sufficient, the pyrolysis gas is delivered to the gas generator 1200 as a fuel to be combusted, so that the gas generator 1200 heats water to form a first superheated steam, and the gas generator 1200 delivers the first superheated steam to the superheater 1300.

Specifically, since the amount of cracked gas of the system is affected by the content difference of the components of the solid waste during the use process, the superheated steam supply of the gas generator 1200 is unstable, and at this time, the steam generator 1100 serving as an auxiliary heating device for supplying superheated steam can ensure a stable superheated steam environment of the system, so that the cracking of the solid waste is more sufficient and stable.

A detailed description of a lysis treatment system according to the present invention is provided in a specific embodiment with reference to FIG. 1. It is to be understood that the following description is illustrative only and is not intended as a specific limitation on the invention.

As shown in fig. 1, with reference to fig. 2 to 5, the utility model provides a cracking treatment system, including garbage can lifting machine 4100, crushing and squeezing all-in-one machine 4200, material loading screw conveyer 4300, feedway 100, dryer 200, cracking reactor 300, cooling screw conveyer 400, material receiving barrel 500, circulating water tank 610, circulating water pump 620, steam generator 1100, gas generator 1200, over heater 1300, gas tank 1400, vaporizing furnace 1500, condenser 2100, three-phase separator 2200, draught fan 2300, cyclone 2400, scrubbing tank 2500, influent surge tank 3100, influent pump 3200, soft water filter 3300, salt case 3400 and control system.

The control system is respectively and electrically connected with a garbage can lifter 4100, a crushing and squeezing integrated machine 4200, a feeding screw conveyor 4300, a feeding device 100, a dryer 200, a cracking reactor 300, a cooling screw conveyor 400, a circulating water pump 620, a steam generator 1100, a fuel gas generator 1200, a superheater 1300, a fuel gas tank 1400, a gasification furnace 1500, a condenser 2100, a three-phase separator 2200, an induced draft fan 2300, a water inlet pump 3200 and a soft water filter 3300.

The circulation cooling system comprises a circulation water tank 610 and a circulation water pump 620; the circulation water tank 610 is connected to the circulation water pump 620, and the circulation water tank 610 is communicated with tap water.

The garbage can elevator 4100 is used for conveying solid waste to the crushing and pressing integrated machine 4200; the crushing and pressing integrated machine 4200 is connected with a feed inlet of the feeding screw conveyor 4300, and the crushing and pressing integrated machine 4200 is used for crushing and pressing solid waste and conveying the solid waste to the feeding screw conveyor 4300; the discharge port of the feeding screw conveyor 4300 is connected with the feeding device 100.

The supply device 100 is communicated with the first feed port 210, and supplies the dryer 200 with the supply.

The dryer 200 is provided with a first feeding hole 210, a first discharging hole 220, a first air inlet 230, a first air outlet 240 and a smoke outlet 250, and a first screw conveying mechanism 260 is arranged in the dryer 200.

The cracking reactor 300, the cracking reactor 300 is provided with a second feed inlet 310, a second discharge outlet 320, a second air inlet 330, a second air outlet 340, a second spiral conveying mechanism 350, a steam pipeline 360, a first air-lock valve 370, a second air-lock valve 380 and a cooling sealing device 390; the second feed port 310 is communicated with the first discharge port 220; the steam pipeline 360 is communicated with the second air inlet 330, the steam pipeline 360 extends from one end of the cracking reactor 300 to the other end of the cracking reactor 300, and a plurality of exhaust holes 361 are formed in the steam pipeline 360; the first air-lock valve 370 is connected with the second feed inlet 310; the second air-lock valve 380 is connected with the second discharge hole 320; the cooling seal device 390 is used for cooling the shaft end of the second screw conveying mechanism 350; the cooling and sealing device is provided with a first water inlet 391 and a first water outlet 392, and the first water inlet 391 is communicated with the circulating water pump 620; the first water outlet 392 communicates with the circulation water tank 610.

The gas outlet of the steam generator 1100 and the gas outlet of the gas generator 1200 are both communicated with the gas inlet of the superheater 1300; the gas outlet of the superheater 1300 is communicated with the second gas inlet 330 of the cracking reactor 300; liquefied petroleum gas is filled in the gas tank 1400, and the gas tank 1400 is connected with the vaporizing furnace 1500; the vaporizing furnace 1500 is used to vaporize the liquefied petroleum gas, and the vaporizing furnace 1500 is connected to the gas generator 1200.

An air inlet of the condenser 2100 is communicated with the first air outlet 240, a discharge hole of the condenser 2100 is communicated with a feed inlet of the three-phase separator 2200, a liquid inlet of the condenser 2100 is communicated with the circulating water pump 620, and a liquid outlet of the condenser 2100 is communicated with the circulating water tank 610; the smoke outlet 250 communicates with the three-phase separator 2200; the three-phase separator 2200 is used for performing water, oil and gas three-phase separation on the condensed mixture and the flue gas; an air inlet of the induced draft fan 2300 is connected with an air outlet of the three-phase separator 2200, an air outlet of the induced draft fan 2300 is connected with an air inlet of the fuel gas generator 1200, an water inlet of the induced draft fan 2300 is communicated with the circulating water pump 620, and a water outlet of the induced draft fan 2300 is communicated with the circulating water tank 610; an air inlet of the cyclone 2400 is connected with the second air outlet 340, and an air outlet of the cyclone 2400 is connected with the first air inlet 230; the steam washing tank 2500 is communicated with tap water, and the steam washing tank 2500 is communicated with an air outlet of the induced draft fan 2300.

The water inlet of the water inlet buffer tank 3100 is communicated with tap water, and the water outlet of the water inlet buffer tank 3100 is communicated with the water inlet of the water inlet pump 3200; the water inlet of the soft water filter 3300 is communicated with the water outlet of the water inlet pump 3200; the water inlet of the steam generator 1100 and the water inlet of the gas generator 1200 are both communicated with the water outlet of the soft water filter 3300; the salt tank 3400 is connected to a soft water filter 3300.

Combine above-mentioned utility model embodiment's schizolysis processing system, the utility model discloses the schizolysis processing step of embodiment specifically as follows:

first, superheated steam section

1. After the cracking treatment system is started, the steam generator 1100 heats water to form first superheated steam, and the first superheated steam is introduced into the superheater 1300; the steam generator 1100 is driven by electric power, and the steam generator 1100 heats water to form superheated steam, so that the superheated steam is formed quickly and takes a short time.

2. The superheater 1300 further heats the first superheated steam to obtain a second superheated steam, which can reach a temperature required for the cracking reaction (e.g., 600 ℃).

3. The second superheated steam is introduced into the cracking reactor 300, and the second superheated steam performs oxygen removal treatment and heat supply to the cracking reactor 300.

4. Dedusting second superheated steam in the cracking reactor 300 by a cyclone deduster 2400 and introducing the second superheated steam into the dryer 200, and deoxidizing and preheating the dryer 200 by the second superheated steam; wherein, gaseous products (such as pyrolysis gas and gaseous light oil) after the pyrolysis reaction are also introduced into the dryer 200 along with the second superheated steam; the cyclone 2400 can collect the dust to prevent the dust from entering the dryer 200 and affecting the dryer 200; the dryer 200 preheats and dries the solid waste in the dryer 200 using the waste heat of the mixed gas composed of the superheated steam, the pyrolysis gas and the gaseous light oil, thereby improving the heat energy utilization efficiency and reducing the energy consumption.

5. The mixed gas composed of the superheated steam, the pyrolysis gas and the gaseous light oil is discharged from the first gas outlet 240 to the condenser 2100 to be condensed; wherein, the condensed products mainly comprise condensed water, liquid light oil and gaseous cracking gas.

6. The condensed water, the liquid light oil, and the gaseous cracked gas are introduced into a three-phase separator 2200 for three-phase separation of water, oil, and gas, and the condensed water, the liquid light oil, and the cracked gas are separated.

7. The pyrolysis gas is delivered to the gas generator 1200 as fuel to be combusted, so that the gas generator 1200 heats water to form first superheated steam, and the gas generator 1200 delivers the first superheated steam to the superheater 1300; when the cracked gas is insufficient, water can be heated by the steam generator 1100 to form first superheated steam; liquefied petroleum gas in the gasification gas tank 1400 can also be vaporized by the vaporization furnace 1500 and supplied to the gas generator 1200 for combustion, so that the gas generator 1200 heats water to form first superheated steam, and the gas generator 1200 delivers the first superheated steam to the superheater 1300, thereby ensuring a stable superheated steam environment of the system.

Second, solid waste treatment part

1. The solid waste is conveyed to the crushing and pressing integrated machine 4200 by the garbage can lifter 4100 to be crushed and pressed, and the solid waste is pretreated. The crushed and pressed solid waste is conveyed to the feeding device 100 by the feeding screw conveyor 4300, and is fed to the dryer 200 by the feeding device 100.

2. Conveying the solid waste into a dryer 200 for drying and preheating to obtain dry solid waste; wherein the solid waste is conveyed in the dryer 200 by the first conveying screw 260.

3. The dried solid waste is transferred to the cracking reactor 300 through the first air-lock valve 370 to perform a cracking reaction, and solid products (such as coke and carbon black) and gaseous products are obtained. Wherein the dry solid waste is conveyed in the pyrolysis reactor 300 by the second conveying screw 350.

4. The solid products (such as coke and carbon black, etc.) are conveyed to the cooling screw conveyor 400 by the second air lock 380 to be cooled.

5. The solid products (e.g., coke and carbon black, etc.) are transported by the cooled screw conveyor 400 to a take-up bucket 500 for collection.

Third, circulating cooling water part

1. The tap water is introduced into the circulating water tank 610 for storage;

2. the circulating water pump 620 conveys the cooling water in the circulating water tank 610 to the cooling sealing device 390 of the cracking reactor 300, and the cooling water enters from the first water inlet 391 to cool the shaft end of the first screw conveying mechanism 260 of the cracking reactor 300; the cooled return water flows out of the first water outlet 392 and is delivered back to the circulation water tank 610.

3. The cooling water in the circulating water tank 610 is delivered into the cooling screw conveyor 400 by the circulating water pump 620, and enters from the water inlet of the cooling screw conveyor 400 to cool the solid products (such as coke and carbon black) in the cooling screw conveyor 400; the cooled return water flows out of the water outlet of the cooling screw conveyor 400 and is conveyed back into the circulation water tank 610.

4. The cooling water in the circulating water tank 610 is conveyed into the condenser 2100 by the circulating water pump 620, and enters from a liquid inlet of the condenser 2100 to exchange heat with mixed gas consisting of superheated steam, pyrolysis gas and gaseous light oil in the condenser; the heat-exchanged return water flows out of the liquid outlet of the condenser 2100 and is sent back to the circulation water tank 610.

5. The circulating water pump 620 conveys the cooling water in the circulating water tank 610 to the induced draft fan 2300, and the cooling water enters from the water inlet of the induced draft fan 2300 to cool the induced draft fan 2300; the cooled return water flows out from the water outlet of the induced draft fan 2300 and is conveyed back to the circulating water tank 610.

6. The return water is delivered back to the circulation water tank 610 and can be discharged through a drain outlet of the circulation water tank 610, and can also be continuously recycled as cooling water.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "specifically," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (9)

1. A lysis treatment system comprising:

the dryer is provided with a first feeding hole, a first discharging hole, a first air inlet, a first air outlet and a smoke outlet;

the cracking reactor is provided with a second feeding hole, a second discharging hole, a second air inlet and a second air outlet; the second feed inlet is communicated with the first discharge outlet;

a waste collection system in communication with the second discharge port;

a heat supply system comprising a steam generator, a gas generator and a superheater; the gas outlet of the steam generator and the gas outlet of the gas generator are both communicated with the gas inlet of the superheater; the gas outlet of the superheater is communicated with the second gas inlet of the cracking reactor;

the condensation separation system is communicated with the first air outlet and the smoke outlet respectively; the gas generator is connected with the condensation separation system, and the condensation separation system is used for condensing and separating the reacted mixed gas and supplying the separated pyrolysis gas to the gas generator;

and the control system is electrically connected with the dryer, the cracking reactor, the waste collection system, the heat supply system and the condensation separation system respectively.

2. The lysis treatment system of claim 1, wherein: the cracking treatment system also comprises a circulating cooling system, and the circulating cooling system comprises a circulating water tank and a circulating water pump; the circulating water tank is connected with the circulating water pump, is communicated with tap water, and is also respectively communicated with the cracking reactor, the waste collecting system and the condensation and separation system; the circulating water pump is respectively communicated with the cracking reactor, the waste collecting system and the condensation separating system, and the circulating water pump is electrically connected with the control system.

3. The lysis treatment system of claim 2, wherein: a first spiral conveying mechanism is arranged in the dryer; the first spiral conveying mechanism is electrically connected with the control system; the cracking reactor also comprises a second spiral conveying mechanism, a steam pipeline, a first air-lock valve, a second air-lock valve and a cooling sealing device; the second spiral conveying mechanism is electrically connected with the control system, and the second spiral conveying mechanism and the steam pipeline are both arranged in the cracking reactor; the steam pipeline is communicated with the second air inlet, extends from one end of the cracking reactor to the other end of the cracking reactor, and is provided with a plurality of exhaust holes; the first air shutter machine and the second air shutter machine are respectively electrically connected with the control system; the first air seal machine is connected with the second feed inlet; the second air-lock valve is connected with the second discharge hole; the cooling sealing device is used for cooling the shaft end of the second spiral conveying mechanism; the cooling sealing device is provided with a first water inlet and a first water outlet; the first water inlet is communicated with the circulating water pump; the first water outlet is communicated with the circulating water tank.

4. The lysis treatment system of claim 2, wherein: the waste collection system comprises a cooling screw conveyor and a receiving barrel; the feed inlet of the cooling screw conveyor is communicated with the second discharge outlet, the discharge outlet of the cooling screw conveyor is connected with the material receiving barrel, the water inlet of the cooling screw conveyor is communicated with the circulating water pump, the water outlet of the cooling screw conveyor is communicated with the circulating water tank, and the cooling screw conveyor is electrically connected with the control system; the material receiving barrel is used for collecting waste materials after the cracking reaction.

5. The lysis treatment system of claim 2, wherein: the condensation separation system comprises a condenser, a three-phase separator and an induced draft fan; the air inlet of the condenser is communicated with the first air outlet, the discharge hole of the condenser is communicated with the feed inlet of the three-phase separator, the liquid inlet of the condenser is communicated with the circulating water pump, and the liquid outlet of the condenser is communicated with the circulating water tank; the smoke outlet is communicated with the three-phase separator; the three-phase separator is used for carrying out water, oil and gas three-phase separation on the condensed mixture and the flue gas; the air inlet of the draught fan is connected with the air outlet of the three-phase separator, the air outlet of the draught fan is connected with the air inlet of the fuel gas generator, the water inlet of the draught fan is communicated with the circulating water pump, and the water outlet of the draught fan is communicated with the circulating water tank; the condenser, the three-phase separator and the induced draft fan are respectively and electrically connected with the control system.

6. The lysis treatment system of claim 5, wherein: the condensation separation system also comprises a cyclone dust collector and a steam washing tank; the air inlet of the cyclone dust collector is connected with the second air outlet, and the air outlet of the cyclone dust collector is connected with the first air inlet; the steam washing tank is communicated with tap water, and the steam washing tank is communicated with the air outlet of the draught fan.

7. The lysis treatment system of claim 1, wherein: the heating system also comprises a gas tank and a gasification furnace; the gas tank is filled with liquefied petroleum gas and is connected with the gasification furnace; the gasification furnace is used for gasifying the liquefied petroleum gas and is connected with the fuel gas generator.

8. The lysis treatment system of claim 1, wherein: the cracking reaction system also comprises a soft water treatment device; the soft water treatment device comprises a water inlet buffer tank, a water inlet pump, a soft water filter and a salt tank; the water inlet of the water inlet buffer tank is communicated with tap water, and the water outlet of the water inlet buffer tank is communicated with the water inlet of the water inlet pump; the water inlet of the soft water filter is communicated with the water outlet of the water inlet pump; the water inlet of the steam generator and the water inlet of the fuel gas generator are both communicated with the water outlet of the soft water filter; the salt tank is connected with the soft water filter.

9. The lysis treatment system of claim 1, wherein: the cracking reaction system also comprises a feeding device and a pretreatment system; the feeding device is communicated with the first feeding hole and is used for feeding materials to the dryer; the pretreatment system comprises a garbage can lifter, a crushing and squeezing integrated machine and a feeding screw conveyor; the garbage can hoister is used for conveying solid wastes to the crushing and squeezing integrated machine; the crushing and squeezing all-in-one machine is connected with a feeding hole of the feeding screw conveyor, and is used for crushing and squeezing solid waste and conveying the solid waste to the feeding screw conveyor; and a discharge port of the feeding screw conveyor is connected with the feeding device.

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