KR20170066801A - Using the powder burning devices in the sludge fuel Tan Manufacturing - Google Patents

Abstract

The present invention relates to an apparatus for producing sludge fuel using a powder combustion apparatus,
A sludge storage and transfer facility consisting of a storage tank for storing the sludge dewatered sludge cake (moisture content of 80% or less) and storing the sludge cake, and a transfer pump for transferring the sludge cake to the sludge drying facility; A sludge drying facility for drying the stored sludge cake with a combustion gas and hot air, a burner for burning the powdery fuel produced by drying, and a furnace for burning odor gas and wet exhaust gas generated in the drying furnace; A powder mixing plant for pulverizing the dried sludge, a wood powder manufacturing facility, a fiber powder manufacturing plant for pulverizing waste oil to 2 to 3 mm or less, and a powder mixing plant for producing sludge fuel (powder fuel) A sludge fuel production facility comprising a fuel cell molding machine for forming a solid fuel by molding; By including a combustion gas treatment facility for treating harmful substances in the exhaust gas generated by powder burning and odorous wet gas incineration;
By minimizing the sludge cake (water content of 80% or less) to a water content of 10% or less, it is possible to reduce the processing cost and directly burn malodorous gas and wet exhaust gas from the combustion furnace to cut off malodorous and wastewater. (Powdered fuel) by mixing with wood powder and pulp fiber powder by adding pulverized wood powder and pulp fiber powder. The remaining sludge fuel (pulverized fuel) is used not only as an energy source for the apparatus, but also as a solid fuel It is certified as new and renewable energy produced from phosphorus sludge fuel and can be supplied to thermal power plants.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a sludge fuel burning apparatus using a powder combustion apparatus,

In the present invention, sludge fuel (powder fuel) produced by drying a sludge dewatering cake generated in the process of wastewater, manure, food, etc. is used to generate thermal energy by using powdered coal, and indirect heat of the generated combustion gas causes a large number of evaporators, The sludge cake is dried by keeping the compounding dryer at a high temperature and generating a bad smell with hot air. The generated odor gas and wet steam are uniformly injected into the combustion chamber of a malodorous combustion chamber of a powder combustion furnace, and are burned with a powder combustion burner, so that no odor gas and waste water are generated. The dried dried sludge is pulverized as fine powders and blended with wood powder, waste fiber powder, and calorific value auxiliary agent to produce fuel as sludge fuel (powder fuel). The produced fuel is circulated to the fuel of the powder burner again, and the excess sludge fuel (powder fuel) is powdered or molded and can be reused as new and renewable energy as sludge fuel.

Generally, most of the sludge generated in the process of wastewater, manure, food, etc. is dehydrated and discharged into a high moisture content sludge cake with a water content of about 80% and treated in the intermediate treatment facilities such as sludge drying, carbonization and composting. However, there are many problems such as excessive energy cost for operation of the intermediate treatment facility, but there are no technical alternatives that are realistic, and facilities with expensive facility and operating expenses are installed and operated with an excessive energy cost.

Conventional sludge treatment facilities are regarded as a kind of waste treatment facility, and not only enormous amount of energy is consumed in operation of treatment facilities, but also harmful factors such as odor, leachate, dust, By polluting the environment, it becomes a cause of complaints.

In addition, it is also contrary to the national environmental policy of recycling waste resources by recycling energy resources that can be used as new and renewable energy as a renewable energy source

The object of the present invention is to solve the problem that the heat energy generated by burning the sludge fuel (powder) produced by drying the sludge cake generated in the process of the wastewater, the manure, the food and the like in the powder combustion burner is directly supplied to the evaporator, And the hot air is supplied to the respective dryers to provide a highly efficient sludge drying facility, thereby dramatically reducing the water content of the sludge cake.

Another problem to be solved by the present invention is to minimize the generation of malodorous gas and wastewater by burning malodorous gas and wet steam generated in the course of drying the sludge cake in a combustion furnace using a powder burner.

Another problem to be solved by the present invention is to collect odor gas generated from a storage tank storing a sludge cake, a dried matter storage tank storing a dried product produced and other odor generation sources, and supplying the air to combustion air of a powder burner, And to minimize and minimize them.

Another problem to be solved by the present invention is to add dried sludge produced from a sludge drying plant to wood by using wood powder, fiber powder, and heat generating auxiliary material to produce high quality sludge fuel (powder) and to use excess sludge fuel (powder) And to recycle dry sludge as a renewable energy source by producing solid fuel by forming into pellets.

Another problem to be solved by the present invention is to efficiently and stably dry a sludge cake by a high-efficiency drying apparatus that combines direct drying using exhaust gas of a powder combustion facility and hot air generated by a hot air generator.

Another problem to be solved by the present invention is to stably and efficiently reduce the sludge cake, to produce high efficiency drying, powder sludge fuel burning, powder burning, incineration of odor gas and wet steam, and combustion gas treatment device in the same facility, And to minimize energy consumption.

According to an aspect of the present invention, A sludge drying facility for drying the sludge cake by burning the sludge fuel (powder) and using a plurality of evaporators, a dryer, and a combination dryer using a flue gas and hot air; A sludge fuel producing plant for producing pulverized fuel by pulverizing the dried sludge and blending it with wood powder, pulp fiber and calorific value auxiliary agent; A powder combustion chamber for collecting odorous gas such as a storage tank and a dried material storage tank by a powder combustion burner and supplying and burning the powdered fuel produced by the sludge fuel-cell manufacturing facility to combustion air, and an odorous wet gas combustion chamber for burning odor gas and wet gas Powder combustion furnace facilities; And a combustion gas treatment facility for treating the combustible gas generated in the powder combustion, odor and wet gas incineration processes to remove harmful substances.

As described above, the present invention includes at least the following effects.

First, according to the present invention, a sludge cake (water content of 80% or less) is reacted with a plurality of evaporators, a dryer and a compounding dryer by combustion thermal energy and hot air generated by burning sludge fuel (powder) And a water content of 10% or less), it is possible to reduce sludge drying efficiency and cost.

Second, in the present invention, the odor gas and the wet gas generated in the drying process are incinerated in the smelting and wetting gas combustion chamber in the burning furnace by the powder burner apparatus, thereby preventing the leakage of the odor gas and preventing the generation of waste water. It is not necessary to install separate odor prevention facilities and wastewater treatment facilities for high concentration odor and wet gas.

Third, the present invention produces sludge fuel (pulverized fuel) by pulverizing dry sludge and blending it with wood powder, pulp fiber powder, and calorific value auxiliary agent, burns sludge fuel (powder fuel) produced and collects waste heat, , It is possible to meet the national policy of expanding the sludge as a new energy source by recycling the sludge as a new and renewable energy source as a virtuous cycle structure that produces heat energy and sludge fuel through a series of processes.

Fourth, the present invention can reduce the size of the facility compared to conventional sludge treatment facilities by constructing the same facilities as the sludge cake source reduction, high efficiency drying, sludge fuel (powder fuel) production, and odor and wet gas removal, And there is an economical advantage that the maintenance cost of the treatment facility can be drastically reduced by producing and supplying heat energy and combustion of the sludge fuel (powder fuel) produced in the process.

FIG. 1 is a basic process diagram showing an entire apparatus for manufacturing sludge fuel using a powder combustion apparatus according to the present invention.
FIG. 2 is a conceptual diagram of a sludge drying furnace facility and a powder combustion furnace facility according to the present invention,
FIG. 3 is a conceptual diagram of a sludge drying furnace facility according to the present invention,
FIG. 4 is a conceptual diagram of a powder combustion furnace facility according to the present invention,
5 is a conceptual diagram of a powder mixer of a plant for manufacturing a fuel according to the present invention,

As shown in FIGS. 1 to 5, the present invention provides a sludge fuel producing plant 20 for pulverizing dried sludge cake and blending it with wood powder, waste fiber powder, and calorific value auxiliary agent to produce energy-generating sludge fuel (powder fuel); A powder combustion burner 32 and a powder combustion chamber 33, which are facilities for burning sludge fuel (powdery fuel) produced by the sludge fuel-cell manufacturing facility 20, and smell and humid gases generated during drying of the sludge by the obtained waste heat A powder combustion furnace facility (30) which is a facility including a bad odor gas combustion furnace (31) for burning; The waste heat of the combustion gas generated in the powder combustion furnace is directly used to supply heat energy directly to the plurality of evaporators 42, the drier 43 and the compounding drier 44, and hot air is generated through the hot air generator 46, A sludge drying furnace facility 40 for supplying hot air to an evaporator, a dryer and a combined dryer to produce a sludge cake (water content of 80% or less) as dried sludge (water content of 10% or less); And a combustion gas treatment facility (50) for treating harmful substances of the combustion gas generated in the sludge drying facility

Hereinafter, the sludge fuel-cell manufacturing facility 20 will be described.

As shown in FIG. 1, the sludge fuel-cell manufacturing facility 20 includes a sludge drier and a sludge drying unit. The sludge drying equipment includes a hammer mill, a pin mill, and the like. The pulverized wood pulp was pulverized in the form of a 2-3 mm pulverized wood pulp, and pulverized pulp fibers were added to the pulverized pulp fiber to prepare a sludge fuel (blended fuel) And converting the fuel into solid fuel.

In addition, the sludge fuel blending mixer (25) is prepared by injecting dry sludge powder pulverized by hammer mill or the like into the pulverizer at a ratio of 40% or more of the total amount of the pulverized coal pulverizer, and mixing it with wood powder and fiber powder at appropriate ratio. Manufactured to meet production GR mark criteria.

5, the dry sludge powder, wood powder, and fiber are put into the inlet 26 so as to be mixed at an appropriate ratio, and the dried sludge powder, Shaped paddle 28 as shown in FIG.

Also, the injector 29 for spraying the sludge dry powder, the silk powder, and the fine powder powder in the form of fine dust powder is added to a plurality of places and a regulator for adjusting the capacity thereof is disposed.

Hereinafter, the sludge drying furnace facility 40 will be described.

As shown in FIG. 1, the sludge drying furnace facility 40 is a facility for drying a sludge cake (moisture content of 80% or less) charged in a sludge storage tank 10 with a drying sludge having a moisture content of 10% or less, A feed conveyor 41 for supplying a drying line, a plurality of scoop evaporators 42 for evaporating moisture contained in the sludge cake, a paddle drier 43 for drying the sludge through one or two passes, and a hardened drying sludge and non- A crushing and drying machine 44 for crushing and drying the crushed sludge, a discharge conveyor 45 for collecting the dried sludge into a dried material storage tank, and a hot air generator 46 for generating hot air required for drying.

1, 2, and 3, the sludge drying furnace facility 40 is for drying the sludge cake introduced from the sludge storage tank 10 and includes a hot air generator 46 A scoop evaporator 42 including a squeeze evaporator 42, a first and second paddle driers 43 and a crushing mixer dryer 44 and continuously supplying sludge cakes supplied to the supply conveyor 41, The sludge cake is transferred to the hot air generator 46 through the inner space of the first and second paddle dryers 43 and the crushing and compounding dryers 44. The sludge cake is heated by the thermal energy of the combustion gas, And then dried and discharged.

In the drying furnace 40, a hot air inlet is provided at the opposite side of the sludge inlet to each of the evaporator and the dryer, and a malodorous vapor outlet is provided at the inlet side to arrange the supplied sludge cake and hot air to react with each other.

The outer side of each of the evaporators and the dryer has a structure in which the thermal energy of the combustion gas generated in the burning process of the powder burner unit 30 and the burning process of the odoriferous humidifier combustion chamber 31 is directly transmitted to the outer cylinder, The hot air energy recovered from the generator is directly contacted with the sludge by the evaporator 42, the drier 43 and the compounding drier 44 to evaporate water.

The scoop evaporator (42) of the drying furnace facility (40) is provided with a scoop-shaped conveying blade (42) so that the sludge dumped by thermal energy of the hot air and the combustible gas can be conveyed without any problem and the sludge cake can sufficiently contact the hot air to evaporate moisture. (47) are provided, and the material thereof is selected from a wear-resistant material. Further, the feed motor is equipped with an inverter function so as to adjust the feed speed.

The first and second paddle dryers 43 of the drying furnace are equipped with the first-order water evaporated and dried sludge supplied from the scoop evaporator to sufficiently adhere the blades of the spatula-shaped paddles, and water is evaporated and the hardened sludge is crushed and blended, It is made to be in good contact with hot air. At this time, the paddles are arranged in a direction inclined at a predetermined angle along the central axis, and the feed motor is equipped with an inverter function to control the feed speed.

The crushing and drying machine 44 of the drying furnace is a process of finally drying the sludge dried by the scoop evaporator 42 and the first and second paddle dryers 43. The sludge hardened by moisture evaporation and the sludge Like wings arranged along the outer cylinder whose center is hollow so as to be able to be blended and dried, and a plurality of spatulate paddles are provided in a place not in contact with the wings. At this time, streamlined wings and spatula-shaped paddles are designed to transport dry sludge and to form dry sludge and dry sludge so that they are evenly contacted and exposed to hot wind.

Each of the evaporators of the drying furnace 40 and the outer casing of the dryer must be made of a special cast material having heat resistance and non-scaling property, and a material having an excellent heat transfer ability. The interior is also made of heat-resistant and abrasion-resistant materials and coated with titanium.

The hot air generator 46 of the drying furnace facility 40 is constructed in such a manner that the heat pipe of the drying furnace inlet wall or the square pipe pipe is arranged in parallel and the heat energy of the combustion gas flowing into the drying furnace inlet is heat exchanged with hot air. At this time, a blower capable of supplying outdoor air to the entrance of the hot air generator 46 pipe is installed and a hot air distributor is installed to distribute the generated hot air to the respective dryers 43 and 44 of the evaporators 42, And a damper is installed at the outlet to distribute an appropriate amount of hot air to each of the evaporator drier and the compound drier.

The hot air distributed to each of the evaporator drier and the compounding drier of the drying furnace 40 can sufficiently stay in the respective devices to evaporate the moisture so that the odor gas and the humid air can be burned in the odor rich steam combustion chamber 31 It is manufactured with wind pressure structure.

Hereinafter, the powder furnace facility 30 will be described.

First, the powder combustion burner 32 is fabricated in a powder injector structure in which the produced sludge fuel (powdery fuel) can be uniformly injected with a fixed amount feeding device for a constant amount of supply. The required combustion air is supplied to the sludge storage tank A storage tank, and other odor generating sources, and a manned blower is installed and collected in a malodor gas storage tank and supplied to a powder combustion burner 32. [

In the powder burner 32, a castellated partition wall is disposed in an oval shape along the powder spray angle at an outlet of the powder burner, and LPG, LNG, and the like are supplied to the partition wall so as to heat the partition wall at an initial stage. And the post-powder is sprayed.

The outer wall of the powder combustion chamber 31 and the outer wall of the odorous wet gas combustion chamber 33 of the powder combustion furnace facility 30 are made of a heat insulating and refractory shaft furnace and the partition walls of the powder burner are made of cast ceramic .

A plurality of induction pipes, each of which has a circular shape and an appropriate size, are provided at the outlet of the powder combustion chamber 33 of the powder combustion furnace facility 30 to be sufficiently heat-stored during operation. At this time, the odorous flue gas of the second-stage dryer 43b and the crushing and compounding dryer 44 supplied to the powder combustion chamber 33 is burned in the powder combustion chamber 33, and the remaining harmful substances pass through the partition wall 34, It is produced by burning structure.

The malodorous vapor combustion chamber 31 of the powder burning furnace 30 is provided with a device 35 capable of uniformly spraying odor and humid air generated in the scoop evaporator 42 and the first-stage dryer 43a at the inlet thereof. At this time, the injected odor and humid air are burned by the high-temperature combustion heat passed through the powder combustion chamber partition wall 34. At this time, combustion exhaust gas generated by incineration of odor and humid air is made to be sent to the facility by sludge drying.

The particulate matter such as odor and humid air generated in the drying furnace facility 40, which is a feature of the powder furnace facility 30, and particulate matter contained in the dust collecting furnace 40 are incinerated in the powder furnace facility 30, No odor or waste water is generated because it is eliminated. In addition, the odor generated in the sludge storage tank and the dried material storage tank is also used as the combustion air of the powder burner, so that a pleasant environment can be maintained.

Hereinafter, the combustion gas treatment facility 50 will be described as follows

The combustion gas treatment facility 50 is operated such that the combustion gas generated in the powder combustion chamber 33 and the odor and wet gas combustion chamber 31 is supplied to the hot air generator 46 and the evaporator 42, 43, and a combined dryer 44. The equipment includes a cyclone facility for primarily removing the dust contained in the combustion gas, and a coke plant for removing the sulfur oxides contained in the exhaust gas passing through the cyclone A semi-dry type reaction tower having a facility for injecting chemicals for removing air pollutants such as hydrogen chloride, and a device for injecting cooling water for controlling an abnormality of the flue gas and a temperature, and fine dust contained in the combustion gas passing through the semi- A filter and dust collector having an activated carbon charging device for removing dioxin and the like, and an artificial blower for discharging the combustion gas filtered by the filter dust collector to the outside through a stack It breaks down.

[Example]

A specific embodiment according to the present invention will be described with reference to the drawing of Fig. The basic process of the sludge fuel burning apparatus using the powder combustion furnace apparatus 30 according to the present invention includes a sludge fuel producing apparatus 20, a powder combustion furnace facility 30, a sludge drying furnace facility 40, a combustion gas processing facility 50 ), And it is structured so that the purpose can be accomplished individually or in combination according to necessary functions.

FIG. 1 shows the basic processes according to the present invention in accordance with the present invention. The dried sludge is mixed with wood powder, waste fiber powder, and heat generating auxiliary agent to form powder fuel of sludge made of sludge fuel (powder) Conversion, sludge drying by burning of sludge fuel (powder), incineration of odor and wastewater by incineration of odor and wet steam, incineration of waste gas, powdery and odorous wet gas and combustion flue gas generated, reliable drying of sludge cake by using thermal energy, And a facility for filtering harmful substances in the gas.

1, the sludge cake is dried to produce sludge fuel (powder), the powder is burned to burn the odor and the wet gas, the sludge cake is dried with thermal energy of the combustion gas, And then discharging it to the atmosphere.

1, the sludge cake is carried into the sludge storage tank, and the stored sludge is continuously supplied to the sludge dryer 40 in an appropriate amount by a transfer pump. The supplied sludge is supplied to each scoop evaporator 42 by a dryer feed conveyor 41.

The sludge cake supplied to the scoop evaporator 42 absorbs the heat energy of the combustion gas of the outside, and the level is evaporated as the hot air inside is supplied to the scum cake evaporator 42. At this time, the hot air is supplied to the opposite side of the sludge inlet and sufficiently contacts with the sludge, thereby converting the water into a wet steam and evaporating it. The evaporated wet steam and odor gas are discharged to the odor and humid discharge ports and are burned in the odor and humid atmosphere combustion chamber (31) of the powder combustion facility (30).

The sludge passed through the scoop evaporator 42 is dried with a low moisture content cake having a moisture content of 50% or less. The primary evaporated and dried sludge is sequentially introduced into the primary and secondary paddle dryers (43). The introduced sludge is dried in response to the heat energy of the external combustion gas and internal hot air, and solidified as the water evaporates. At this time, the sludge solidified by the paddle squeeze provided with a plurality of paddles at an angle so as to be able to convey the spatulate paddles is blended and dried, and the drying is actively performed in contact with the hot air. The malodorous and humid gas is discharged to the discharge port in the same manner as the scoop evaporator 42 and is burned in the odor and humidified combustion chamber 31 of the powder combustion facility 30. [

The sludge that has passed through the first and second paddle dryers 43 is dried sludge having a moisture content of 20% or less. The dried sludge is introduced into a crushing and compounding dryer (44). The dried sludge that has passed through the paddle dryer 43 is adhered to each other as moisture is evaporated, and appropriately contains moisture therein. A spiral squeezer which gives space to the inside is arranged along the outer tube, and a spatula-like paddle is installed at a right angle, and the supplied dried sludge is broken by the right angle paddle and conveyed while being stirred by the spiral squeak. The solidified sludge is crumbled, and the dried sludge is mixed with the un-dried sludge, and the dried sludge is dried by the hot air. The undried sludge is dried to less than 10% of the dried sludge, The generated odor gas and humid gas are discharged to the discharge port and are burned in the powder combustion chamber 33 of the powder combustion facility 30. [

The sludge cake (moisture content 80%) passes sequentially through the squeeze evaporator 42, the first and second paddle driers 43 and the crushing and compounding drier 44, and the heat energy of the combustible gas generated by the powder combustion and the smelling wet gas combustion It is supplied from the outer tube, and hot air is supplied from the inside to evaporate moisture contained in the sludge. At this time, the generated odor gas and humid vapor are incinerated in the powder combustion facility (30), and waste water and odor are not generated.

The dried sludge stored in the dry matter storage tank is crushed by a hammer mill. The pulverized powdered sludge is added to the sludge fuel blending mixer (25) at a rate of 40% or more of the total amount, mixed with wood powder and fiber at a proper ratio, and coated with a heat generating auxiliary agent to produce sludge fuel with a calorific value of 4500 kcal or more. Manufacture to meet the standard.

5, the dry sludge powder, wood powder, and fiber are put into the inlet 26 so as to be mixed at an appropriate ratio, and the dried sludge powder, Shaped paddle 28 as shown in FIG. Also, the injector 29 for spraying the sludge dry powder, the silk powder, and the fine powder powder in the form of fine dust powder is added to a plurality of places and a regulator for adjusting the capacity thereof is disposed.

The fuel produced from the sludge fuel (powder) is sent to the powder combustion facility 30, and the excess sludge fuel (powder) is formed into pellets in the powder state or through the molding machine and is exported as renewable fuel to the thermal power plant.

 The powder burner 32 of the powder burning furnace facility 30 is provided with a castellated partition wall at an outlet of the powder burner in an elliptical shape along the spray angle of the powder and feeds LPG and LNG, And the powder is sprayed after the partition wall is sufficiently heated by burning. In addition, the odor generated in the sludge storage tank and the dried material storage tank is collected and supplied to the combustion air required for powder combustion.

The powder combustion chamber 33 of the powder combustion furnace facility 30 is constructed by burning the sludge fuel (powder) by the powder burner 32 to remove the odor gas and the wet steam generated in the secondary paddle dryer 43b and the crushing- Incinerate. At this time, the supplied odor gas and humid gas contain little humid gas and are incinerated without interfering with the powder combustion of the injector 36 of the powder combustion chamber.

The malodorous wet gas combustion chamber 31 of the powder burning furnace 30 incinerates odor and wet gas evaporated in the scoop evaporator 42 and odor and wet gas evaporated in the primary paddle dryer 43a. At this time, the supplied wet steam contains a large amount of water, so that the volume and the volume of the powder burner 32 are sufficiently set to incinerate so that odor and wet gas are completely burned.

The combustion exhaust gas discharged from the odor and wet gas combustion chamber 31 of the powder combustion furnace facility 30 is sent to the drying furnace facility 40 and supplied with heat energy to a spiral or columnar hot air generator 46 provided on the outer wall of the drying furnace inlet, And is cooled while passing through each of the evaporator 42, the dryer 43 and the compounding drier 44 and is cooled through a combustion gas treatment facility 50 composed of a cyclone, a semitransparent reaction tower, a dust collector, an artificial blower, And released into the atmosphere.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, It will be apparent that various modifications may be made without departing from the technical characteristics and scope of the present invention. Accordingly, such modifications or variations should be regarded as within the scope of the claimed invention.

Description of the Related Art [0002]
10: Sludge storage and transfer facility 20: Sludge fuel-cell manufacturing facility
25: Sludge fuel-cell mixer 30: Powder burner furnace
31: odor wet gas combustion chamber 32: powder burner
33: Powder combustion chamber 40: Sludge drying furnace facility
42: Sukuryu evaporator 43: paddle dryer
44: crushing mixer dryer 46: hot air generator
50: Combustion gas treatment facility

Claims (5)

The thermal energy is supplied to the scoop evaporator 42, the first-stage drier 43a, the second-stage drier 43b and the crusher-mixer drier 44 by using the direct thermal energy of the combustion gas burned by the sludge cake as powder fuel, A drying furnace facility (40) for supplying hot air generated in the generating device (46) to each dryer to evaporate and dry the moisture;
The sludge dried in the drying furnace is crushed and milled. A sludge fuel-carbon manufacturing facility 20 including a sludge fuel-cell manufacturing facility, which is a solid fuel produced in a sludge fuel-cell (powder fuel)
The powder fuel produced in the sludge fuel producing plant 20 is supplied to the sludge storage tank and the dried material storage tank through the powder combustion chamber 33 and the sludge drying furnace 40, A powder combustion furnace facility 30 composed of a stench and wet gas combustion furnace 31 for burning offgas,
A combustion gas treatment facility for treating powdery combustion fuel of the powder furnace facility 30 and for removing harmful substances by treating the combustion exhaust gas generated in the process of burning odorous gas,
The sludge drying furnace (40) according to claim 1, wherein the sludge drying furnace facility (40)
The temperature of the scoop evaporator 42, the paddle dryer 43 and the crusher-mixer dryer 44 is maintained at a high temperature by receiving the sludge cake and directly receiving the thermal energy of the combustion gas from the powder burner facility 30, A sludge fuel burner using the powder combustion apparatus, comprising a scoop evaporator (42) for supplying hot air of the device (46) to evaporate and discharge moisture, a plurality of paddle dryers (43) Device.
2. The sludge fueling plant (20) according to claim 1,
A powder manufacturing facility for pulverizing the dried sludge supplied from the sludge drying furnace 40 into fine powder using a pulverizer or the like, a wood powder manufacturing facility for pulverizing wood pulp grades 2 to 3 to produce wood pulp, (25) which consists of a fiber finishing plant for making fibers by crushing into particles, and a powder mixing plant (25) that mixes the sludge powder, wood powder, and waste fiber powder thus prepared with a heat generating auxiliary agent. The sludge fuel Characterized in that the apparatus for producing sludge fuel using a powder combustion apparatus,
The powder burning furnace (30) according to claim 1, wherein the powder furnace facility
The odorous gas generated in the drying process of the sludge drying furnace 40 and the particulate matter contained in the wet steam and the wet steam are supplied to the odor wet gas combustion chamber 31 of the powder burning furnace 30 without any other auxiliary equipment and burned Odor and waste water are not generated. The facility is composed of a facility for spraying the respective injectors 35 for spraying the odor gas and the humid steam generated by the respective evaporators and the dryers to the odor and wet gas combustion chamber 31, the sludge storage tank and the drying material storage tank, A powder combustion device (32) for burning the powder supplied by air and a powder combustion chamber (33) for burning the powder, characterized in that the powder combustion device
The method of claim 1, wherein the combustion gas treatment facility (50)
A cyclone-type reaction tower for treating the dust contained in the combustion exhaust gas generated in the process of burning the powdered fuel, odor gas, and humidified air, and a sulfur-containing reaction tower for treating sulfur oxides and the like among air pollutants via the cyclone; A filter and dust collector for removing fine dust and dioxin contained in the air pollutants via the reaction tower, and an artificial blower for discharging the exhaust gas from which the air pollutants are removed through the filter dust collector to the outside through a stack For producing a sludge fuel using a powder combustion device

Images