KR101200479B1 - Treating system of waste materials - Google Patents

Abstract

The present invention relates to a waste treatment system for sewage sludge, organic waste such as vinyls, plastics, etc., and its main configuration includes a sludge storage tank (2) for receiving and dewatering sewage sludge and a sludge of the sludge storage tank (2). The dehydration sludge mixer 30 and the drier 40 supplied with the sludge from the carbohydrate sludge mixer 30 and a cyclone 60 connected to the drier for accommodating exhaust gas generated in the drier 40 are provided. ), A dry sludge storage tank 50 for storing the sludge dried in the dryer 40, an input hopper 53 and a supply hopper 71 receiving the sludge from the dry sludge storage tank 50, and a supply hopper. A sludge carbonizer 70 for carbonizing the sludge fed from the 71, a carbide storage tank 280 for storing and discharging the sludge carbonized in the sludge carbonizer 70, and an exhaust gas generated in the sludge carbonizer 70 end Boiler 110 for receiving the steam, steam header 106 for receiving the steam generated in the boiler 110 and supply to the required place, and connected to the boiler 110 to accommodate the exhaust gas and supply the soft water of the water softener 118 It is connected to the blower 116, the filter dust collector 120 is installed for filtering dust of the boiler combustion exhaust gas supplied in connection with the blower 116, the filter dust collector 120 is connected to the exhaust gas to clean the atmosphere It characterized in that it comprises a wet washing tower 121 for discharging, the dehydration sludge mixer 30 receives the sludge of the sludge storage tank 2 is supplied to the dryer 40 to dry the sludge, The sludge dried in the dryer 40 is returned to the dehydration sludge mixer 30, and the sludge carbonizer 70 is supplied with an oil from the oil storage tank 97 and an ignition furnace 178. Operation and supply of heat source Receives a heat source of the gas exhausted from the cyclization cyclone 60, the exhaust gas after the carbonization treatment of the sludge carbonizer 70 is stored in the gas burner tank 105 to be sent to the boiler 110 to use as combustion heat Characterized in that, the steam generated in the boiler 110 is sent to the dryer 40 through the steam header 106, characterized in that for heating the dryer 40 by indirect heating by steam. In addition, the filter dust collector 120 is connected to the activated carbon storage tank 122 and the hydrated lime storage tank 125, so that activated carbon and hydrated lime is supplied, the wet cleaning tower 121 is installed with a smoke prevention heat exchanger (111) To prevent white smoke, and also to install the washing water circulation pump 124 in the lower portion of the wet washing tower 121, characterized in that the cleaning water is configured to circulate, the boiler 110 is connected to the waste organic regeneration treatment device, Dispose of waste The oil and waste gas generated by collecting the dry steam generated after it is supplied is configured to be used as an operating heat source of the boiler 110, the waste organic regeneration treatment device, a conveying conveyor for transporting waste organic gas 202, a granulator 204 for crushing the conveyed waste organic matter, a magnetic separator 206 for installing a metal material in the crushed crushed material in the granulator 204, and a magnetic screen 206 Wind turbine 207 for reselecting the sorted crushed matter by the wind, hot air dryer 209 for drying the crushed sorted by the wind sorter 207 with hot air, and a storage tank for storing the finished crushed hot air ( 213, a carbonizer 80 for carbonizing the crushed matter of the storage tank 213, an oil collection tank 90 for collecting oil by collecting dry gas generated during carbonization, and foreign matters in the collected oil. Remove The debris remover 93, the oil storage tank 97 for storing the oil is removed from the debris remover 93, and the oil in the oil storage tank 97 is supplied by the oil supply pump 98 boiler It characterized in that it comprises an oil service tank 99 to send to the burner 102 to burn the oil in the boiler 110, the carbonizer 70, the oil storage tank (97) by the oil supply pump (100) Oil is stored in the) is configured to be used as a combustion heat source of the carbonizer 80, and the gas exhausted from the oil collection tank 90 is collected in the gas buffer tank 105, the boiler burner ( 102, characterized in that configured to be used as the heat of combustion of the boiler (110).

Description

Waste Treatment System {TREATING SYSTEM OF WASTE MATERIALS}

The present invention relates to a system capable of treating various combustible and solid fuelable organic wastes such as vinyl and plastic, including domestic sewage sludge, and efficiently treating and recycling these wastes.

There is a lot of waste generated in everyday social life, including waste sewage sludge, waste plastics, waste plastics and other flammable EPR treatments have always been an existing problem. Since sludge ocean discharge is completely banned from 2012, it is necessary to establish fundamental measures for sludge treatment.

In the conventional case, the waste treatment facilities have a problem that sewage sludge treatment facilities and other various combustible waste treatment facilities are inefficiently operated and have high operating costs, and secondary pollution also occurs.

Therefore, in the present invention, the organic sludge generated after the sewage treatment is dried and carbonized, and by-products are recycled, and carbonization treatment of EPR waste including vinyl, plastic, and various waste composite resins is carried out with good carbonization treatment. By recycling the energy generated from these devices into the sludge drying and carbonization plant, we have developed a system that can build a complete self-operating facility that uses almost no fuel to operate the entire plant.

In addition, perfect pollution prevention facilities are available to prevent secondary pollution, and facilities have been developed that can be carbonized without fear of odor and explosion.

The main configuration of the present invention, the sludge storage tank (2) for receiving and dewatering sewage sludge, the dewatered sludge mixer (30) receiving the sludge of the sludge storage tank (2), and the supply of sludge from the carbohydrate sludge mixer (30) Drying sludge storage tank for storing the sludge dried in the dryer 40, the cyclone 60 is connected to the dryer installed to accommodate the exhaust gas generated in the dryer 40, the dryer 40 to receive the drying (50), an input hopper 53 and a supply hopper 71 receiving sludge from the dry sludge storage tank 50, a sludge carbonizer 70 for carbonizing the sludge supplied from the supply hopper 71, and a sludge The carbide storage tank 280 for storing and discharging the sludge carbonized in the carbonizer 70, the boiler 110 for receiving the exhaust gas generated in the sludge carbonizer 70, and the steam generated in the boiler 110 Steam headers (106) , Which is connected to the boiler 110 and accommodates the exhaust gas and is installed for filtering dust collection of the boiler combustion exhaust gas supplied with the softener 118 and the soft water 118 supplied with the softener 116. The filter dust collector 120, and connected to the filter dust collector 120, characterized in that it comprises a wet washing tower 121 for cleaning the exhaust gas and discharged to the atmosphere, wherein the dewatered sludge mixer 30 is a sludge storage tank ( The sludge of 2) is supplied to the dryer 40 to dry the sludge, and the sludge dried in the dryer 40 is returned to the dehydration sludge mixer 30 again. 70 is supplied with the oil from the oil storage tank 97 and the heat source by the operation of the ignition furnace (178) and the heat source of the gas exhausted from the cyclone 60, the sludge carbonizer ( 70) vented after carbonization treatment Gas is stored in the gas burner tank 105 is sent to the boiler 110, characterized in that configured to use as the heat of combustion, the steam generated in the boiler 110 is passed through the steam header 106, the dryer ( 40, which is characterized in that for heating the dryer 40 by indirect heating by steam, the filter dust collector 120 is connected to the activated carbon storage tank 122 and the slaked lime storage tank 125, activated carbon and slaked lime Is supplied, and a white smoke prevention heat exchanger 111 is installed in the wet cleaning tower 121 to prevent white smoke, and a washing water circulation pump 124 is installed in the lower portion of the wet cleaning tower 121 to circulate the washing water. The boiler 110 is connected to the waste organic regeneration treatment device, and the oil and waste gas generated by collecting the dry steam generated after the waste organic matter are supplied are supplied to the operating heat source of the boiler 110. Buy as Characterized in that it is configured to use, the above-mentioned waste organic regeneration processing apparatus, the conveying conveyor 202 for transporting the waste oil, the granulator 204 for crushing the transported waste organic matter, and the granulator 204 The magnetic force sorter 206 installed to remove metals from the crushed crushed matters, the wind sorter 207 for reselecting the sorted crushed matters in the magnetically sorted 206 by wind, and the wind sorter 207 Hot air dryer (209) for drying the crushed matter selected in the hot air, a storage tank (213) for storing the finished crushed hot air, a carbonization machine (80) for receiving and carbonizing the crushed product of the storage tank (213), and during carbonization treatment Oil collection tank (90) for collecting oil by collecting the generated dry gas, debris remover (93) for removing foreign matters in the collected oil, and oil storage for storing oil from which debris is removed from debris remover (93) Tank 97 and oil reservoir It is characterized in that it comprises an oil service tank 99 for supplying the oil in the jangtank 97 by the oil supply pump 98 to send to the boiler burner 102 to burn the oil in the boiler 110, The carbonizer 70 is supplied with oil stored in the oil storage tank 97 by the oil supply pump 100, and is configured to be used as a combustion heat source of the carbonizer 80, wherein the oil collection tank ( Gas exhausted from the 90 is collected in the gas buffer tank 105 is sent to the boiler burner 102, characterized in that configured to use as the heat of combustion of the boiler 110

According to the present invention, the entire system can efficiently treat the domestic sewage sludge and EPR wastes and recycle them, which can solidify the wastes, and can be self-operating without supplying an external heat source. Oil fuel has the effect that it can be recycled as fuel by supplying it to other needs.

In addition, according to the system according to the present invention, energy self-procurement and energy saving and recycling are possible in all the parts of the device, so that the energy efficiency is optimized and no contaminants are produced in the waste or waste water at all.

Also, the final produced carbide can be used as soil supplement and solid fuel, which is the most efficient system because it is a recyclable facility with almost no mass production of waste.

1 is an overall configuration diagram of a system according to the present invention;
FIG. 2 relates to the “a” portion of FIG. 1, illustrating the sludge dewatering and drying process.
FIG. 3 is a view for showing a sludge carbonization plant as related to part “b” of FIG. 1.
FIG. 4 is a "many" part of FIG. 1, illustrating the combustion and exhaust treatment of a sludge boiler
FIG. 5 is the "D" portion of FIG. 1, which illustrates the pretreatment and carbonization of fuelable organic waste.
FIG. 6 is a view showing a facility for collecting oil by cooling dry oil collected in a carbonization machine to the "e" part of FIG.

EMBODIMENT OF THE INVENTION Hereinafter, this invention is explained in full detail based on an accompanying drawing.

As shown in FIGS. 1 and 2, the sludge is transported by the vehicle 1 and stored in the sludge storage tank 2. Unlike the conventional sludge storage tank 2, by installing an ultrasonic sensor (not shown), it was possible to accurately check the amount of sludge. In the conventional case, when the sludge is attached to the level sensor due to the level sensor attached, a low amount is detected.

The pump used for the push rod for sludge transfer in the sludge storage tank 2 uses a single screw threaded metering pump rather than a piston pump. The single-axis screw metering pump is easy to adjust the sludge amount by the control of the rotation speed of the pump, accurate and can automatically calculate and record the amount of transfer, pulsation-free quantitative transfer is possible by the rotation of the rotor, and remote operation by adopting an inverter It is easy and convenient for automatic driving. And excellent controllability by quick response and response in case of load change

On the other hand, a piston pump may also be used, but this is not preferable because the equipment is expensive, there is a high possibility of failure when containing foreign substances, the initial investment cost is expensive, maintenance is difficult, and the time required for repair in case of failure is long.

On the other hand, the steel tank of the sludge storage tank (2) may be a storage tank with a built-in screw, but this is a problem that the production weight is high, the maintenance cost for maintaining the structure, the sludge cross-linking phenomenon occurs and there are many driving parts It causes frequent breakdowns and high maintenance costs due to corrosion when worn.

The sludge adopts either the dewatered sludge feed feeder 3 or the discharge conveyor 4 which is configured under the sludge storage tank 2 or all according to the installation position, so that the sludge is smoothly transferred by the feed pump 5. It is sent to the dryer 40 via the dewatering sludge mixer 30. The malodorous air generated in the sludge storage tank 2 is introduced into the combustion air by the operation of the combustion air supply fan 8 via the exhaust duct 7 and incinerated in a high temperature boiler to remove the malodor.

Meanwhile, the dewatered sludge supplied from the dewatered sludge conveying pump 5 is introduced into the dewatered sludge mixer 30 as dewatered sludge about 80% and introduced into the dryer 40 to be dried. The mixer 30 is composed of sludge mixing by two-shaft paddles having two mixer shafts, and is mixed with each other by rotation of a fan-shaped paddle installed in the mixer shaft, and thus the mixing performance is very excellent.

Meanwhile, a uniaxial plow type mixer in which the mixing portion is formed in the shape of a plow may also be used, which is relatively inferior in mixing efficiency and transfer efficiency, and is suitable for the bulk solid mixing and the addition structure of the fluid. Not suitable for use

The material to be mixed in the mixer 30, the sludge inlet is introduced into the sludge inlet from the transfer pump 5, the dry sludge inlet is the inlet through which the sludge passed through the dryer 40, sludge outlet 34 In the sludge enters the dryer 40

In the dryer 40, steam is provided as a drying heat source through a steam inlet by a steam heater, and the drying temperature may be controlled by controlling a steam amount using a steam control valve using steam generated in the boiler 110. 100% moisture content can be removed up to 70%. Sludge moisture content after drying can be adjusted to about 10% or less, so that it can be dried at carbonization water content in the subsequent carbonization process.

The sludge dryer 40 used in the present invention uses a disk type without using a paddle type. Paddle type is not desirable because of complicated driving structure, large power consumption, inconvenient maintenance, and wide paddle end surface rubbing with the construction, which is vulnerable to abrasion.It is uneven in temperature distribution and difficult to discharge condensate by one heat supply

On the other hand, the disk type sludge dryer 40 used in the present invention has a structure in which a circular disk is arranged on one axis, and the driving part is small and the driving force is not large. Excellent wear resistance, less exhaust gas, less dust, two heat source split supply, excellent heat transfer effect and can prevent overheating. In addition, it is possible to prevent solidification and dry powder during drying and to prevent odor spill by internal vacuum drying method.

The drying principle of the disc dryer 40 is to use high temperature steam as a drying heat source and to dry the sludge introduced by indirect conductive heat.

Steam supplied to the disk of the dryer is condensed after heating the sludge is recovered to the condensate tank (not shown) through the condensate outlet 48 in both directions through the internal pipe (not shown). In addition, by adopting the vacuum drying method to keep the inside of the dryer at a negative pressure of -20 to -30 mmH ₂ O, there is no outflow of odor, it has excellent drying efficiency, low evaporation temperature and energy saving effect.

The sludge dried in the dryer 40 may lower the water content of 78.85% to 10% of the water content. That is, the drying treatment capacity is 60% to 70% can be dried. The sludge treated in the dryer is re-injected to the dewatered sludge mixer 30 in an amount of about 25% via a conveyor. The reason for the re-injection is to allow continuous operation by preventing dry sludge due to the high water content and the shutdown in the device due to the adhesion of the sludge. . Thus, the continuous drying efficiency in the dryer 40 is increased.

Part of the sludge dried in the dryer 40 is stored in the dry sludge storage tank (50). The dried sludge is stored in the gun sludge storage tank 50 and then supplied to the input hopper 53 of the sludge carbonizer via the vertical sealed conveyor 51. The reason for using the sealed conveyor 51 is to prevent scattering dust spills.

On the other hand, the cyclone 60 is installed on the dryer 40, and the cyclone 60 receives gas and dust generated from the dryer 40 as the upper inlet 63 by using centrifugal force and gravity settling. To remove the dust, the gas is discharged to the upper outlet 64, the dust is removed to the bottom and the superheated air can be re-introduced to the dryer 40 to recycle the heat of the dry air. The cyclone 60 is capable of treating hot gas, has a low pressure loss, and the larger the size of the dust particles, the higher the collection efficiency, the better the dry collecting and dust removal, and the lower the operating cost. The gas outlet 64 in the cyclone 60 is connected to the collision type dehumidification tower 66 to remove moisture of the exhaust gas. The dehumidification method uses a dehumidification tower using a wet collision method.

Meanwhile, as shown in FIG. 3, the dry liquor conveyed from the gun sludge storage tank 50 is introduced into the input hopper 53 and is introduced into the sludge carbonizer 70 via the supply hopper 71. The carbonizer 70 is a facility that vaporizes volatile components contained in a raw material by an indirect heating method in a closed low oxygen atmosphere. The heat source is hot air and is treated by a pyrolysis gasification treatment method. It is a reduction method that does not generate contaminants due to oxidation, it generates almost no waste, it is possible to produce carbide as a resource, it is possible to recover energy by oil and dry gas, And dioxin-free, non-polluting resources

On the other hand, the general incineration plant is an oxidation treatment method by combustion, and it reacts with heat, burns by oxygen supply, and is an open type, steam production method by waste heat recovery. These incineration facilities are due to the oxidation method, and as industrial wastes, air pollutants such as dioxins are generated, resulting in low resource conversion rate, additional waste disposal costs, incineration ashes of more than 10%, complex control and high maintenance cost

As shown in FIG. 2, the carbonization furnace structure of the carbonizer 70 is composed of a screw shaft 171 formed by vertical layers and a multi-stage screw conveying method in which a screw formed integrally therewith takes up less space. It is compactly configured, and prevents clogging trouble and perfect sealing by horizontal conveyance and smooth lower conveyance of sludge by the screw, and reduces the carbonization time by adjusting the rotation speed of the screw shaft 171 and the screw. The carbide water content after carbonization of the sludge treated here becomes less than 5%. In addition, the gas generated and remaining in the gun sludge injection hopper 53 and the supply hopper 71 is exhausted through the exhaust fan 175 to exclude the explosion or fire hazard.

In the carbonizer 70, the odor of the building is sent to the ignition furnace 178 by blowing air by the combustion air supply fan 177 to ignite the odor by removing the odor by utilizing it as a heat source of the carbonizer 70. Carbide from the carbonizer 70 is discharged after being stored in the carbide carbide storage tank 280 via the vertical conveyor 76.

The conveyors are configured as sealed conveyors to prevent odor or dust from scattering, and the nitrogen storage device is installed in the carbide storage tank 280 to supply nitrogen to prevent fire or explosion by gas. In addition, the upper portion of the carbide storage tank 280 is provided with a bag filter for removing the exhaust dust to force exhaust by the fan blowing.

The high temperature heat generated in the carbonizer 70 is sent to the boiler 78 through the pipe 77 to recover the high temperature heat amount, and the odor gas generated in the carbonizer 70 is used as the boiler combustion air. It is also used to remove odor by high temperature oxidation. In addition, the combustible gas generated during the carbonization process in the carbonizer 70 may be used as a heat source by being sent to or stored where gas is required by the operation of the gas supply fan 176. The gas used as the fuel has a high gas recovery rate. Because the carbonizer 70 structure is hermetic, the gas energy recovery rate is high.

The overall configuration and the configuration of the carbonizer 70 can maximize the heat exchange can shorten the carbonization time, the generation of waste is small and the equipment is simple and very convenient maintenance.

In addition, the carbide carbonized in the carbonizer has a porous property, which is close to that of activated carbon having a comparative surface area of 1/10 of the activated carbon, and the calorific value is 10,000 to 15,000 KJ / kg. It has a calorific value. Therefore, it can be used as fuel because it is made of solid tube or solid fuel.

It is lightweight, odorless, sterile, air permeable, permeable, preservative, medium to weak alkaline, adsorbent, heat absorbent, and so on. Can be used for various purposes

Next, the boiler 110 connected to the carbonizer 70 will be described with reference to FIG. 4.

Exhaust gas generated from a drying plant, a dry carbonization plant, and an EPR carbonization plant, which is a pyrolysis plant, is generated from a dryer 40, a sludge storage tank 50, a sludge carbonizer 70, an EPR carbonizer 80, and the like. Injecting the exhaust gas into the boiler 110 is subjected to combustion treatment at a high temperature. Thus, high concentration odor of dry flue-gases can be completely removed by high temperature oxidation of the boiler. In addition, the odor in the sludge storage tank 50 and, in some cases, the building may be blown to the boiler 110 by the combustion air supply fan 8 to remove the odor by combustion air from the boiler 110.

On the other hand, noxious gases, dust, and the like, which are derived from the sewage treatment plant 141, are also injected into the boiler 110 and removed. The neutralizing agent used in the collision type dehumidification tower 140 uses caustic soda, which is an agglutination aid alkaline agent, to increase acid gas removal efficiency.

The boiler 110 uses a water pipe boiler. The water pipe boiler is suitable for high pressure due to the small drum diameter, short heat transfer time due to large heat transfer area, high heat recovery rate, good operation efficiency even in high concentration dust, high evaporation amount, suitable for large capacity, fast circulation of boiler water, fast and efficient High and small footprint

On the other hand, the furnace-related boiler may also be used, but the evaporation rate is high, but the corrosion resistance is easy to attach the scale, and the structure is complicated, so that cleaning and repair inspection are difficult.

Boiler 110 feed water and condensate recovery system is as follows

In the dryer 40, a very high temperature of heat may be recovered. The outlet temperature of the dryer 40 is about 167 degrees Celsius, so that the hot condensate is recovered to the condensate tank 112 by the boiler feed water pump 115. It is sent to the blower 116 is injected into the boiler 110. Thus, the high temperature recovery rate and energy saving effect are very high since the high temperature condensate is recovered and recycled to the boiler 110.

The condensate tank 112 is connected to the water softener 118 and is supplied by the soft water injection pump 119 to improve the boiler water quality. The water softener 118 removes hardness components such as calcium and magnesium in raw water by using a cation exchange resin to generate and supply soft water so that scale is not formed in the piping facility and the boiler tube.

According to the above configuration, the amount of heat recovered from the dryer 40 can greatly increase the temperature of the boiler water, thereby increasing the amount of steam generated, thereby maximizing energy recovery efficiency.

The dust removal system of the exhaust gas which passed through the boiler 110 is as follows.

SOx, HCl is injected by the spray to the filter dust collector 120 of the slaked lime by the lime storage tank 125, and is removed by the filter dust collector 120 and the two-stage wet washing tower 121, dioxins are activated carbon storage tank ( Dioxin particles are collected and removed by spraying activated carbon by the activated carbon supply provided in 122) and also by the bag filter 120. Dioxins should be maintained at combustion gas temperatures below the resynthesis temperature, ie below 200 degrees Celsius.

The supply of hydrated lime is provided with a hydrated lime storage tank 125 to supply dried hydrated lime, and the reason for the dried powdered hydrated lime is to prevent clogging in the filter bag 120 by wetting. The treatment efficiency of the filter dust collector 120 is 20 ppm of SOx and HCl, respectively, so that 98% or more can be removed, and dioxin is 0.1 mg-TEQ / Nm3 or less and dust is 10 mg / Nm3 or less.

Filter bag 120 using a bag filter has advantages over wet electrostatic precipitator or dry electrostatic precipitator, which can maintain stable processing efficiency even under instantaneous overload, and can process up to branching of good conductors such as carbon fiber, and have excellent dust collection efficiency. high. On the other hand, wet electrostatic precipitator has high dusting cost and high equipment cost, and dry electrostatic precipitator has no effect of removing good conductor dust such as carbon fiber and cannot cope with the increase of instant load.

 Dust is also removed firstly from the filter dust collector 120, and secondly, the dust is again removed from the wet washing tower 121, the dust removal effect is completely removed 99.99%. Toxic gas is most efficient because the removal by the wet cleaning tower 121 can be removed more than 98%.

In addition, the two-stage wet washing tower 121 and the bag filter 120 may be complemented in the event of a temporary failure due to the two-stage process, and the treatment efficiency of the dry and wet double removal system may be very high. Excellent removal efficiency of acid gas, dust, dioxin, etc.

The two-stage wet washing tower 121 has a structure in which a washing water circulation pump 124 is installed to circulate the washing water and supply the supply water 123 for washing, so that the exhaust gas is cooled and absorbed firstly and secondly. It is treated by reaction by collision and absorption. Thus, HCl and SOx treatment of the final exhaust gas can be processed by 99%.

In addition, in order to prevent white smoke of the exhaust gas discharged to the upper part of the washing tower, the white smoke preventing heat exchanger 111 is installed in the wet cleaning tower 121. This prevents condensation and white smoke of significant amounts of water in the exhaust gases.

The smoke prevention heat exchanger (111) is connected to the steam header (106) and the distribution pipe of the boiler (110) and is supplied as necessary. Some are sent to the smoke prevention heat exchanger (111) to exchange heat in the wet scrubber (121). Steam, which is then recovered, is recovered by the boiler feed water pump 115 to the boiler 110 via the blower 116. If the smoke prevention heat exchanger (111) is installed, the smoke can be prevented even if the air temperature reaches about 0 degrees Celsius due to the humidity and drying effect of heating the exhaust gas.

According to the treatment facility according to the present invention as described above, the carbon monoxide is removed to 20ppm or less of the allowable discharge standard in the boiler 110, hydrogen chloride and sulfur oxide is added to the slaked lime by the slaked lime storage tank 125, and the reaction filter dust collector 120 ), The wet cleaning tower 121 is removed to below the discharge allowance standard, dioxin is removed from the activated carbon supply facility and the filter dust collector 120 by the activated carbon storage tank 122, the soot is filter dust collector 120 and wet cleaning. Since the odor from the tower 121 and the odor is completely removed from the boiler 110, it can be concluded that a complete treatment to the extent that the emission allowance standards of the Air Quality Preservation Act can be fully satisfied.

Then, the following is attached to the recycling system that utilizes the treatment of EPR waste, such as waste plastics, and the oil and hot waste gas heat source generated in accordance with the treatment as a heat source of the boiler 110, Figures 1, 5 and 6 We explain by reference

The treatment of the EPR waste 200 is also almost similar to the sewage sludge treatment process described above. The EPR waste 200 is supplied to the hopper 2010 and transported by the conveying conveyor 202 to sort metal materials by the magnetic separator 203, and then sent to the granulator 204 to be crushed to a constant size of about 20 mm. The granulator 204 is composed of a single-axis impact crusher, which is crushed by a dividing and splitting operation, and capable of crushing and crushing at the same time, and is suitable for crushing crushing of household wastes. Then, the metal material is secondly removed again by the magnetic separator 206, separated by weight by the wind separator 207, and dried by the hot air dryer 209.

The reason for performing the drying operation is to sufficiently dry the carbonized object to prevent fusion of the carbonized object and to vaporize volatile components in the carbonized object to prevent fire and explosion

The hot air introduced into the hot air dryer 209 is supplied to the hot air dryer supply fan 210, and supplies hot air to the heating furnace by the hot air dryer heat exchanger 208. This hot air dryer uses steam as a heat source to facilitate temperature control and reduce energy consumption. The supplied hot air is directly contacted in the dryer and hot air is dried by convection. According to the hot air dryer (209), the drying speed is fast and the low temperature drying can prevent fire and explosion

The dust generated in the hot air dryer 209 is collected in the dust collector 212 and is exhausted by the exhaust fan 211, and the waste that has passed through the hot air dryer 209 is stored in the storage tank 213 to discharge the exhaust conveyor 213. After the feed hopper 226 and the feed hopper 225 is supplied to the carbonizer 80 to carbonize the EPR waste pieces.

The fuel supply for carbonization is supplied by the oil supply pump 100, which is supplied from an oil storage tank 97 to be described later, and the oil collected in the oil storage tank 97 is exhaust gas of the carbonizer 80. Of waste oil obtained by condensation

At the time of combustion in the carbonizer (80), the odor air of the building is also sent to the combustion air supply fan (215) and burned through the ignition furnace (216) to be removed. The waste after carbonization in the carbonizer 80 removes the metal material through the magnetic separator 220 and is stored in the carbide storage tank 22 via the vertical conveyor 221 and then recycles the carbide for other uses.

The gas exhausted from the carbonizer 80 contains dry oil, which is sent to the oil collection tank 90 as shown in FIG. 6. Oil recovery consists of a cooling system to maximize the recovery rate by condensing the condensable dry gas step by step.

In order to increase the oil condensation recovery rate due to the stepwise condensation, three oil condensers 90 are installed side by side, and the oil condenser 90 installed at the foremost finishes the first condensation and then transfers dry gas to the next oil condenser 90. Condensed in the second, and the non-condensed dry gas was sent to the next oil condenser (90) to construct a multi-stage condensation method to condense in the third.

First, the distillate oil in the form of oil vapor introduced from the EPR carbonizer 80 is introduced into the oil vapor inlet 91 of the upper portion of the oil condenser 9. Three oil condensers 90 shown in Figure 1 is a vertical type to produce the condensed oil by indirect contact with the gas in the direction of gravity and the cooling unit configured therein. Since this structure is vertical, it requires less installation area and due to gravity flow, tube clogging does not occur in the tube type heat pipe. In addition, since the installation area is small, it is easy to secure spaces between devices, so it is easy to maintain the equipment and requires low initial investment.

On the other hand, it is possible to use a horizontal type oil condenser that is laid horizontally low on the ground, but this is a method of condensing oil in the vapor by indirect contact of oil and coolant, which requires a lot of installation area, makes it difficult to secure space between devices, and is difficult to maintain. In addition, clogging of dried oil may occur. Therefore, it is desirable to configure a standing type oil condenser.

The oil condenser 90 is, for example, three foreheads are installed side by side as described above, the gas from the first oil condenser 90 is configured to be introduced into the next oil condenser 90, the lower oil collection circulation Each of the pumps 103 was installed to recirculate the gas passing through the oil condenser 90 to increase the collection efficiency of the oil. The second oil condenser 90 was configured internally to allow the coolant to flow in and out to further increase the cooling efficiency. That is, in order to further cool the dry gas discharged through the first oil condenser 90 to increase the condensation effect, the cooling by the cooling water is configured as described above. Similarly, the oil cooler 104 is installed in the third right oil condenser 90 on the right side to circulate the coolant inside. This is to prevent the sticking by cooling the gas temperature and decreasing the viscosity by indirect contact of the gas. And the final oil condensation effect of the gas is increased step by step. The condensation gas is initially polymer

Since the oil condensation principle and internal structure of the oil condenser 90 itself are described in detail in the patent application No. 2010-66031, which is filed by the applicant, detailed description thereof will be omitted.

The condensed oil is introduced into the debris remover 93 through the oil collection tank 92.

The debris remover 93 functions as a forced discharge type debris removal form by automatic scraping, and also works on high viscosity dry oil and has a wide operating range. It has a function to prevent clogging of the filter itself, making it easy to maintain cleanliness, continuous operation, and convenient operation with automatic operation function.

On the other hand, it is also possible to use a filter press type foreign material remover, but it is difficult to continuously operate in the production of high viscosity condensate oil, and frequent failures occur, and manual operation is required because there is no automatic clogging prevention function. There is this

In the debris remover 93, the carbon cake 94 is removed and the filtered oil is sent to the oil buffer tank 95, stored in the oil storage tank 97 again by the operation of the oil transfer pump 96, and the oil supply pump. The operation of the 98 stores the oil service tank 99. If necessary, the oil is supplied to the boiler burner 102 or other ignition furnace 101 using oil by operation of the oil supply pump 100 so that oil is used where necessary.

Since the non-condensable gas exhausted after passing through the oil condenser 90 is a combustible gas containing an oil component, the non-condensable gas is sent to the gas buffer tank 105 and stored therein, so that it is supplied to the boiler 110 so as to be supplied to the boiler 110. Can be used as a heat source. In addition, in the present invention, as described above, the gas generated from the sludge carbonizer 70 for drying and carbonizing the sludge generated in the treatment apparatus of organic sludge generated after the sewage treatment gas supply fan 704 and The gas may be transferred to the boiler burner 102 via the gas buffer tank 105 to be utilized as a boiler heat source or fuel.

According to the entire system of the present invention as described above, it is possible to efficiently treat the domestic sewage sludge and EPR waste, and recycle them so that all wastes can be fueled, and can be self-operated without supplying external fuel. And oil fuels can be supplied to other needs to be recycled as fuel.

In addition, according to the system according to the present invention, energy self-procurement and energy saving and recycling are possible in all the parts of the device, the energy efficiency is optimized, and no contaminants are produced in the waste or waste water at all.

In addition, the final production of carbides can be used as soil supplements and solid fuels, so it is the most efficient system as it is a renewable plant without any waste.

2 Sludge Storage Tank 30 Dewatering Sludge Mixer
40 dryers and 50 sludge storage tanks
70 Sludge Carbonizer 80 Carbonizer
90 Oil collection tank 93 Debris remover
97 Oil Storage Tank 99 Oil Service Tank
103 Oil collecting circulation pump 110 Boiler
116 Blower 120 Filter Dust Collector
121 Wet Cleaning Tower 122 Activated Carbon Storage Tank
125 Slag Lime Storage Tank 204 Granulator
207 Wind turbines 213 EPR reservoirs
222 Carbide Storage Tanks

Claims (9)

A sludge storage tank (2) for receiving and dewatering sewage sludge,
Dewatered sludge mixer 30, which receives the sludge of the sludge storage tank 2,
A dryer 40 for receiving sludge from the dewatering sludge mixer 30 and drying the sludge;
Cyclone 60 connected to the dryer for receiving the exhaust gas generated in the dryer 40,
Drying sludge storage tank 50 for storing the sludge dried in the dryer 40,
An input hopper 53 and a supply hopper 71 receiving sludge from the dry sludge storage tank 50,
A sludge carbonizer 70 for carbonizing the sludge fed from the feed hopper 71,
Carbide storage tank 280 for storing and discharging the sludge carbonized in the sludge carbonizer 70,
Boiler 110 for receiving the exhaust gas generated in the sludge carbonizer 70,
Steam header 106 for receiving the steam generated in the boiler 110 and supplies to the required place,
A coal firer 116 connected to the boiler 110 and receiving exhaust gas and receiving soft water from the water softener 118;
A filter precipitator 120 installed for filtering dust collection of the boiler combustion exhaust gas which is connected to and supplied with the coal filter 116,
Waste treatment system comprising a wet cleaning tower 121 connected to the bag filter 120 to clean the exhaust gas and discharge it to the atmosphere The method of claim 1,
The dewatered sludge mixer 30 receives the sludge from the sludge storage tank 2 and supplies it to the dryer 40 to dry the sludge, and then the sludge dried in the dryer 40 to the dewatered sludge mixer 30 again. Waste disposal system characterized by returning The method of claim 1,
The sludge carbonizer 70 receives a heat source by supplying oil from the oil storage tank 97 and an operation of the ignition furnace 178, and receives a heat source of gas exhausted from the cyclone 60. , The waste gas after the carbonization treatment of the sludge carbonizer 70 is stored in the gas burner tank 105 is sent to the boiler 110 to be used as the heat of combustion characterized in that the waste treatment system The method of claim 1,
The steam generated in the boiler 110 is sent to the dryer 40 via the steam header 106, the waste treatment system characterized in that to heat the dryer 40 by indirect heating by steam. The method of claim 1,
Activated carbon storage tank 122 and the hydrated lime storage tank 125 is connected to the filter dust collector 120, so that activated carbon and hydrated lime is supplied, and the wet cleaning tower 121 is installed with a white smoke prevention heat exchanger (111) And a washing water circulation pump 124 installed at the lower part of the wet washing tower 121 to circulate the washing water. The method of claim 1,
The boiler 110 is connected to the waste organic regeneration treatment device, it is characterized in that the oil and waste gas generated by collecting the dry steam generated after processing the waste organic material is supplied to use as an operating heat source of the boiler 110 Waste disposal system According to claim 6, wherein said waste organic matter recycling apparatus,
Transfer conveyor for conveying waste oil (202),
A granulator 204 for crushing the conveyed waste organic matter,
A magnetic separator 206 installed to remove metals from the crushed material in the granulator 204,
A wind classifier 207 for reselecting the selected crushed matter in the magnetically selected 206 by wind power,
Hot air dryer (209) for drying the crushed matter selected by the wind power sorter (207) with hot air,
Storage tank (213) for storing the hot air dried crushed matter,
A carbonizer 80 for carbonizing the crushed matter of the storage tank 213,
An oil collection tank 90 for collecting oil by collecting dry gas generated during carbonization;
A debris remover 93 for removing debris in the collected oil,
Oil storage tank 97 for storing the oil is removed from the debris remover (93),
It is characterized in that it comprises an oil service tank 99 for receiving the oil in the oil storage tank 97 by the oil supply pump 98 and sending it to the boiler burner 102 to burn the oil in the boiler 110. Waste disposal systems The method of claim 7, wherein
The carbonization machine 70 is supplied with oil stored in the oil storage tank 97 by the oil supply pump 100, and is configured to be used as a combustion heat source of the carbonization machine 80. The method of claim 7, wherein
The gas exhausted from the oil collection tank 90 is collected in the gas buffer tank 105 and sent to the boiler burner 102 to be used as the heat of combustion of the boiler 110.

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