Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
  • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
  • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
  • F23G5/44—Details; Accessories
  • F23G5/46—Recuperation of heat
• • 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
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
  • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
  • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
  • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
  • F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
• • 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
• • 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
  • F23G7/001—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals for sludges or waste products from water treatment installations
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
  • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
  • F23G2203/00—Furnace arrangements
  • F23G2203/80—Furnaces with other means for moving the waste through the combustion zone
  • F23G2203/801—Furnaces with other means for moving the waste through the combustion zone using conveyors
  • F23G2203/8013—Screw conveyors
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
  • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
  • F23G2206/00—Waste heat recuperation
  • F23G2206/10—Waste heat recuperation reintroducing the heat in the same process, e.g. for predrying
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
  • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
  • F23G2206/00—Waste heat recuperation
  • F23G2206/20—Waste heat recuperation using the heat in association with another installation
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
  • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
  • F23G2207/00—Control
  • F23G2207/20—Waste supply
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
  • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
  • F23G2209/00—Specific waste
  • F23G2209/28—Plastics or rubber like materials

Definitions

• the present invention relates to a carbonizer and a carbonization system having the same, and more particularly, to a carbonizer to carbonize a target object while transmitting heat supplied from a heat generator to another device such as a drying device, etc., and a carbonization system having the same.
• wastes are generally in the state of sludge and have a high moisture content. Therefore, to make these wastes into recycling materials, the wastes must be carbonized by use of a carbonizer after being first dried.
• wastes are treated in the following sequence: collection of wastes ⁇ temporary storage in a hopper ⁇ transfer in the state of sludge ⁇ crushing and sorting ⁇ input into a drier ⁇ transfer in the state of dried wastes ⁇ input into a carbonizer ⁇ storage, etc.
• the conventional carbonization system should first completely dry the wastes in the state of sludge and then, carbonize the dried wastes.
• This requires a great amount of heat and results in enormous fuel costs.
• gasoline, etc. is used as a fuel, it tends to excessively aggravate the burden of fuel costs.
• inventors of the present invention tried to solve the problem of enormous fuel costs by developing an apparatus for utilizing industrial or household wastes as a fuel, without using an expensive fuel such as gasoline, etc.
• FIG. 1 illustrates a heat generator as a heat supply device and a drier to dry wastes upon receiving heat from the heat generator, which constitute a part of a conventional carbonization system developed by the inventors of the present invention.
• the conventional carbonization system shown in FIG. 1 includes a quantitative input device 101 to input wastes into a combustion chamber 103 by a fixed quantity, a combustor 102 installed below the combustion chamber 103 to burn the wastes fed from the quantitative input device 101, a re-combustion burner 104 to again burn exhaust gas burnt in the combustion chamber 103, a re-combustion chamber 105 into which flames from the re-combustion burner 104 are emitted, a drying drum 106 connected with an exit of the re-combustion chamber 105 and rotated in a tilted state, a crusher 110 to crush the wastes having a high moisture content fed thereinto and to supply the crushed wastes into the drying drum 106, an impeller 109 installed in the drying drum 106 and rotated while being coupled to a center shaft 108, and holding plates 107 installed at an inner periphery of the drying drum 106 and used to generate a falling shock.
• various combustible wastes including industrial wastes such as polyethylene, polypropylene, waste synthetic resin, residual waste, and papers, household wastes, and the like, are delivered from the quantitative input device 101 into the combustor 102, so as to be burnt in the combustor 102.
• the resulting combustion gas is delivered from the combustion chamber 103 into the re-combustion chamber 105, so as to be repeatedly burnt. With the repetitive combustion of the combustion gas, the resulting gas has substantially no pollution-causing material.
• a wet object to be treated which includes sewage sludge, residual wastes, etc. crushed by the crusher 110 and has a high moisture content, is inputted into the drying drum 106.
• the object to be treated is raised by the holding plates 107 inside the drying drum 106. As the object falls from the highest position, it is again crushed by collisions with the impeller 109. As a result, the crushed debris are uniformly exposed to the high-temperature air, and can be efficiently dried.
• the conventional carbonization system utilizes heat generated from the heat generator only for drying the wastes, and the carbonizer used to carbonize the dried object for obtaining a final product is operated by burning a fuel. Therefore, the conventional carbonization system still has the burden of fuel costs. [15] By carbonizing, the carbonized coal is used as deodorant and the carbonization gases are used as fuel.
• the conventional carbonization system since the conventional carbonization system includes a great number of constituent devices, it inevitably has a large scale and requires an excessive installation space. Moreover, the conventional carbonization system has an inefficient waste- transfer path because wastes should pass through a plurality of devices provided separately.
• An object of the present invention devised to solve the problem lies on a carbonization system, in which heat generated from a heat generator can be utilized not only in the carbonization of wastes, but also in another device such as a drier, etc., thereby achieving several advantages, for example, a considerable reduction in fuel costs, miniaturized overall facility, and more efficient production of carbides.
• the object of the present invention can be achieved by providing a carbonizer comprising: a vessel body to transmit heat supplied from a heat generator into another device; and a carbonizing vessel installed to penetrate through the vessel body and having one end to receive an object to be carbonized and the other end to discharge the carbonized object.
• the vessel body is made to provide a secondary combustion chamber for secondarily burning a fuel that was primarily burnt in the heat generator.
• the fuel preferably includes general industrial wastes.
• the wastes can be completely incinerated.
• Obtaining carbides using heat obtained by burning the wastes without using a fuel such as gasoline, kerosene, bunker C oil, or LNG gas is preferable in view of the recycling of resources.
• the wastes preferably include PE, PP, RPF, RDF, waste vinyl, etc.
• the vessel body is connected with a drying device as the above mentioned another device, to transmit heat to the drying device.
• the object is inputted into the carbonizing vessel, so as to be carbonized therein.
• the carbonizer according to the present invention can carbonize a target object while transmitting heat supplied from a heat generator into another device.
• a fuel can be primarily burnt in the heat generator and then, be secondarily burnt in the carbonizer, whereby the object can be carbonized by completely burning of the fuel.
• the carbonizer can also serve as an incinerator for the industrial wastes, in addition to carbonizing the industrial wastes.
• the carbonization system according to the present invention has an overall compact configuration, and can efficiently utilize the heat generated from the heat generator for the carbonizer as well as a drying device.
• FIG. 1 illustrates a part of a conventional carbonization system.
• FIG. 2 illustrates a preferred embodiment of a carbonization system according to the present invention.
• FIG. 3 illustrates a preferred embodiment of a carbonizer according to the present invention.
• Mode for the Invention
• the carbonizer according to the present invention can replace the re-combustion chamber 105 of the previously described conventional carbonization system shown in FIG. 1. Accordingly, after wastes corresponding to a fuel are primarily burnt in the combustion chamber 103, the wastes are secondarily burnt in the re-combustion chamber 105. Also, a carbonizing vessel can be installed in the re-combustion chamber 105. In the present invention, the re-combustion chamber 105 serves as a vessel body, and the carbonizing vessel is installed within the vessel body.
• the vessel body may include the re-combustion burner( subsidiary fuel: carbonization gases) 104 to emit flames into the re-combustion chamber 105.
• a heat generator may be realized by a part of a horizontal waste incinerator disclosed in Korean Registered Patent No. 10-0613436.
• a combustion tank of the above incinerator is formed of a vessel body, and a combustion vessel may be penetrated through the combustion tank.
• the incinerator disclosed in the above Korean Registered Patent No. 10-0613436 is incorporated herein, although a detailed description thereof will be omitted.
• the carbonizing vessel is preferably installed to penetrate vertically through the vessel body. More preferably, the carbonizing vessel is penetrated from the top to the bottom of the vessel body.
• the carbonizing vessel receives a transfer device to transfer an object to be carbonized.
• the transfer device is controlled by a controller, to adjust a transfer speed of the object to be carbonized.
• the transfer device includes a screw installed in the carbonizing vessel to transfer the object to be carbonized, and a motor to rotate the screw.
• a humidity sensor is provided at an exit of the carbonizing vessel, to sense a humidity of the object.
• the controller controls the transfer device to adjust the transfer speed of the transfer device according to the humidity.
• the object By adjusting the transfer speed of the object to be carbonized such that the humidity sensed by the humidity sensor reaches a predetermined value, the object can be carbonized up to an appropriate degree.
• the carbonizing vessel has a double structure including an inner vessel and an outer vessel. Also, an air fan is provided to forcibly introduce or discharge air into or out of a gap between the inner vessel and the outer vessel.
• a temperature sensor is provided to sense a temperature of air between the inner vessel and the outer vessel.
• the rotating speed of the air fan is adjusted according to the temperature of the air.
• the rotating speed of the air fan is adjusted such that the temperature of the air becomes about 400 0 C.
• the carbonization system includes the above described carbonizer.
• the carbonization system further includes a heat generator to generate heat, a drying device to dry an object, and the carbonizer to carbonize the dried object.
• the carbonizer includes the vessel body, and the carbonizing vessel penetrated through the vessel body.
• the vessel body transmits heat supplied from the heat generator into the drying device.
• the vessel body contains heated air, such that the object received in the carbonizing vessel is carbonized by the heated air.
• FIG. 2 illustrates a part of the carbonization system according to the present invention.
• a heat generator 200 is connected to one side of a carbonizer 400, such that heat generated from the heat generator 200 is supplied into the carbonizer 400.
• a fuel used in the heat generator 200 includes industrial wastes including PP, PE,
• the heat generator 200 may be configured as shown in FIG. 1. That is, the heat generator 200 includes a combustor installed below a combustion chamber in order to burn wastes supplied from a quantitative input device that is used to input the wastes into the combustion chamber by a fixed quantity.
• the combustion chamber of the heat generator 200 communicates with a vessel body
• combustion gas is also introduced into the vessel body 410 and is secondarily burnt within the vessel body 410.
• the re-combustion burner 104 as shown in FIG. 1 may be additionally provided.
• the heat generator 200 is realized by a part of the previously described horizontal waste incinerator disclosed in Korean Registered Patent No. 10-0613436.
• the vessel body 410 of the carbonizer 400 provides not only a secondary combustion chamber, but also a space for carbonizing a target object being transferred within a carbonizing vessel. Since the vessel body 410 is connected with a drier, heated air in the vessel body 410 is delivered into a drying device 300, and can be utilized as a heating source for drying the object.
• the object dried by the drying device 300 is transferred into the carbonizer 400, so as to be carbonized in the carbonizer 400.
• the overall carbonization system according to the present invention has a compact configuration.
• FIG. 3 illustrates the carbonizer 400 shown in FIG. 2 in more detail.
• the flames and combustion gas are introduced from the heat generator 200 into one side of the vessel body 410.
• the combustion gas is continuously burnt in the vessel body 410.
• the carbonizing vessel is vertically penetrated through the vessel body 410.
• the carbonizing vessel has a double structure including an outer vessel 420 and an inner vessel 421.
• the secondary combustion performed within the vessel body 410 is performed at about 85O 0 C suitable to remove harmful gases such as dioxin, etc.
• the object to be carbonized is exposed at an excessively high temperature, and may fail to be carbonized up to an appropriate degree.
• An air fan 440 is provided above the carbonizing vessel and is rotated to forcibly introduce or discharge air into or out of a gap between the inner vessel 421 and the outer vessel 420. As the air fan 440 is rotated, the air is introduced into the outer vessel 420 through an air inlet perforated in the bottom of the outer vessel 420, and then, is discharged to the outside through the top of the carbonizing vessel.
• the temperature sensor 441 is installed to measure the temperature of air discharged from the air fan 440.
• a controller 450 adjusts the rotating speed of the air fan 440 according to a temperature of the air measured by the temperature sensor 441.
• the air fan 440 is controlled such that the interior temperature of the carbonizing vessel is kept at about 400 0 C. Thereby, the object can be carbonized at about 400 0 C.
• a screw 430 is located in the inner vessel 421, and is rotated by a motor 431.
• the object to be carbonized is introduced into the carbonizing vessel through the top of the carbonizing vessel, and is transferred downward by the screw 430.
• the controller 450 controls a rotating speed of the motor 431, thereby controlling a transfer speed of the object to be carbonized.
• a humidity sensor 442 is provided at an exit of the carbonizing vessel.
• the controller 451 controls the rotating speed of the motor 431 according to the humidity measured by the humidity sensor 442.
• the dried wastes are carbonized by the carbonizer 400 until they have a moisture content of around 5%.
• the resulting carbonized wastes can be used as a substitute for a compost, soil conditioner, etc.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Environmental & Geological Engineering (AREA)
• Water Supply & Treatment (AREA)
• Processing Of Solid Wastes (AREA)
• Treatment Of Sludge (AREA)
• Carbon And Carbon Compounds (AREA)
• Solid Fuels And Fuel-Associated Substances (AREA)
• Coke Industry (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=39533595

Family Applications (1)

Country Status (2)

Citations (1)

Family Cites Families (5)

• 2006
  • 2006-12-28 KR KR1020060136668A patent/KR100818911B1/ko not_active IP Right Cessation
• 2007
  • 2007-12-28 WO PCT/KR2007/006915 patent/WO2008082166A2/en active Application Filing

Patent Citations (1)

Also Published As

Similar Documents

Legal Events