KR20110070930A

KR20110070930A - Waste water sludge fuel

Info

Publication number: KR20110070930A
Application number: KR1020090127560A
Authority: KR
Inventors: 최동민
Original assignee: 유한회사 참하나연구원; 최동민
Priority date: 2009-12-19
Filing date: 2009-12-19
Publication date: 2011-06-27

Abstract

PURPOSE: A wastewater sludge fuel producing system is provided to reuse wastewater containing impurities discharged from a cleaning process of a dust collecting purification device. CONSTITUTION: A wastewater sludge fuel producing system comprises the following: a mixer(7) mixing 10~15wt% of wastewater sludge, 10~15wt% of waste lime powder, 30~35wt% of waste coal, 25~35wt% of food waste, and 5~10wt% of waste oil, after inserting 4~6wt% of seawater during a hot air receiving process; a pellet molding unit(8); a pellet arrangement device(9); first, second, and third drier(10,11,12); a fuel tank(13) storing dried pellets, and supplying the pellets for the combustion; a hot air and water boiler(14) for producing hot air and heating water; a dust collecting purification device(15) for purifying the gas discharged from the driers and the hot air and water boiler; a water purifier(16) for purifying wastewater; an ion exchanger(17) for sterilizing contaminants; and first and second substitution filtering absorption devices(18,19).

Description

Waste water sludge fuel recycling system

The present invention relates to a wastewater sludge fuel recycling system, and in particular, wastewater sludge, waste lime, waste coal, food waste, waste oil and sea water are processed in the form of pellets and dried to burn in hot air and hot water boilers. By supplying the air and purifying the exhaust gas from the dryer and the exhaust gas by the dust collecting purifier, the ion exchanger, and the first and second replacement filtration adsorber, the waste heat sludge and other wastes are burned, In addition to supplying hot water, the present invention relates to a wastewater sludge fuel resource recycling system for purifying combustion gas and supplying it to a room.

In general, according to the development of the industry, a lot of resources are required, and many resources that do not reach the content in the process of producing them are classified as waste and cannot be used as waste.

However, although coal is called coal, which is generated in the process of digging coal, the coal coal village is large enough to cover the entire area, but it cannot be effectively processed.

In addition, the waste cement generated in the process of producing the cement can not be efficiently processed even though a large amount continues to be generated in proportion to the production of cement.

Similarly, there are many efforts to dispose of some food waste and waste oil, but only a few areas are being recycled, and the damage caused by waste materials is gradually increasing. There was a problem.

Moreover, as the heat energy released into the atmosphere through the year during combustion is close to 20%, which causes considerable heat loss along with air pollution, it is urgently required to supplement this in home, business, or industrial combustion devices.

In addition, in modern times, where a combustion device is mainly installed inside a part of a building or a residential space, it is necessary to purify the combustion gas emitted through the year.

Accordingly, there was a need for a multipurpose dust collector purifying apparatus capable of purifying the combustion gas of the combustion apparatus and supplying it back to the combustion apparatus, as well as purifying the indoor air when the combustion apparatus is not used.

Accordingly, the present invention is to solve the conventional problems as described above, by processing the waste water sludge, waste lime, waste coal, food waste, waste oil and sea water in the form of pellets to dry the hot air and hot water while burning in a hot water boiler The waste gas and the waste heat sludge by burning the waste gas sludge and the waste gas sludge by purifying the exhaust gas and the gas from the dryer by the dust collecting purifier, the ion exchanger, and the first and second substitution filtration adsorption units. It is an object of the present invention to provide a wastewater sludge fuel recycling system which supplies not only wind and hot water but also purifies combustion gas and supplies it to the room.

Wastewater sludge fuel recycling system of the present invention for achieving the above object

A first feeder containing wastewater sludge crushed to a size of 1 mm or less after drying,

A second feeder containing waste lime ground to a size of 1 mm or less after drying;

A third feeder containing waste coal pulverized to a size of 1 mm or less after drying,

A fourth feeder containing food waste, which is ground to a size of 1 mm or less after drying,

A fifth feeder with waste oil,

When the wastewater sludge is supplied by 10 to 15% by weight, 10 to 15% by weight of waste lime powder, 30 to 35% by weight of waste coal, 25 to 35% by weight of food waste and 5 to 10% by weight of waste oil, the drying hot air is delivered. With a mixer to mix while pouring 4 to 6% by weight of seawater,

A pellet molding machine for processing the mixture in the form of pellets,

A pellet organizer for aligning the molded pellets to facilitate transportation;

First to third dryers for drying the aligned transported pellets by drying hot wind;

A fuel tank which supplies the dried pellets sequentially for combustion while storing the dried pellets;

Hot air and hot water boilers for producing hot air and heating water during combustion by receiving fuel in pellet state supplied from the fuel tank and gases generated during drying in the first to third dryers;

A dust collecting and purifying apparatus for receiving the combustion gas discharged from the hot air and the hot water boiler and the gas generated from the dryer and purifying it through a process of cyclone, anion, washing, activated carbon, OH radical, and filter;

A water purifying apparatus for purifying and reusing wastewater including dirt discharged in the cleaning process of the dust collecting purifier;

An ion exchange device for removing contaminants by sterilization, disinfection, and chemical decomposition with respect to the purified air discharged from the dust collector,

Gas contaminants are replaced by the porous zeolite filter with respect to air via the ion exchange device, and the first and second substitutions are performed by chemical bonding of gaseous contaminants, which are activated energies, while being chemically adsorbed and filtered by a substitution reaction. The filter adsorption device is characterized in that it is configured to supply hot wind and hot water as the heat of combustion while burning wastes including wastewater sludge, as well as to purify the combustion gas and supply it to the room.

In the wastewater sludge fuel recycling system according to the present invention, 10-15% by weight of dried and pulverized wastewater sludge, 10-15% by weight of dried and pulverized waste lime, 30-35% by weight of dried and pulverized coal, 25 to 35% by weight of dried and crushed food waste and 5 to 10% by weight of waste oil are processed into a mixture in which 4 to 6% by weight of seawater is poured in a mixer, and dried in a pellet form.

To produce hot air and heating water during the combustion of the fuel and pellets in the pellet state in a hot air and hot water boiler supplied with gas generated during drying,

The combustion gas discharged during combustion and the gas generated during drying are purified through a cyclone, anion, washing, activated carbon, hydroxyl group (OH Radical) and a filter in the dust collection unit, and then again by the hydroxyl group in the ion exchange unit. The gaseous contaminants in the first and second displacement filtration adsorbers are chemically adsorbed and filtered by substitution and replacement reactions while the contaminants are removed by sterilization, disinfection and chemical decomposition to filter the gaseous contaminants which are activated energy by chemical bonding. and,

The waste water containing the waste discharged during the cleaning process of the dust collecting and purification device is purified and reused by the water purifying device to burn hot water and hot water as combustion heat while burning waste water sludge, as well as purifying the combustion gas indoors. There is an effect to supply to.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

Wastewater sludge fuel recycling system according to the present invention

A first feeder (1) containing wastewater sludge crushed to a size of 1 mm or less after drying,

A second feeder (2) containing waste lime ground to a size of 1 mm or less after drying,

A third feeder (3) containing waste coal pulverized to a size of 1 mm or less after drying,

A fourth feeder (4) containing food waste, which is ground to a size of 1 mm or less after drying,

A fifth feeder (5) containing waste oil,

When the wastewater sludge is supplied by 10 to 15% by weight, 10 to 15% by weight of waste lime powder, 30 to 35% by weight of waste coal, 25 to 35% by weight of food waste and 5 to 10% by weight of waste oil, the drying hot air is delivered. The mixer 7 which mixes while pouring 4-6 weight% of seawater from the 6th feeder 6 in the inside,

A pellet molding machine 8 for processing the mixture in the form of pellets,

Pellet organizer (9) for aligning the molded pellets to facilitate the transfer,

First to third dryers (10) (11) (12) for drying the aligned and transported pellets by drying hot wind;

A fuel tank 13 which is sequentially supplied for combustion while storing the dry pellet;

Hot air and heating water are produced during combustion by receiving the fuel in the pellet state supplied from the fuel tank 13 and the gas generated during drying in the first to third dryers 10, 11 and 12. With hot air and hot water boiler 14,

Cyclone, anion, washing, activated carbon, hydroxyl group and filter by receiving the combustion gas discharged from the hot air and hot water boiler 14 and the gas generated in the first to third dryers 10, 11 and 12. And dust collecting purifier (15) to purify while going through the process of,

A water purifying device 16 for purifying and reusing waste water including dirt discharged in the cleaning process of the dust collecting and purifying device 15;

An ion exchange device 17 for removing contaminants by sterilization, disinfection and chemical decomposition by a hydroxyl group generated from an ion exchange resin with respect to the purified air discharged from the dust collection and purification device 15;

Firstly, the gaseous pollutants are chemically adsorbed and filtered by chemical bonding through a porous zeolite filter with respect to air via the ion exchange device 17, and chemically adsorbed by chemical bonding. It consists of the 2nd substitution filtration adsorption apparatus 18 (19).

Figure 2 shows the configuration of the hot air and hot water boiler of the present invention,

While forming a combustion chamber 23 for heating water and a heating chamber 24 at the lower end of the main body 21 having a heat insulating effect by the heat insulating layer 22, a hot air chamber 25 for warming air is formed.

First combustion unit 31, such as a burner for burning fuel supplied from the outside,

Located directly above the first combustion section 31 and forming a plurality of heat collecting holes 33 in the center, and around them, small grains of ceramics made of alumina, molybdenum, ceramic, tourmaline, and elvan are mixed. A first reburn section 32 composed of a single reburn layer 34 to temporarily regenerate heat and allow combustion heat to pass through the internal space 35 to recombust the combustion gas rising to an incomplete combustion state;

The inlet 38 is externally supplied from the outside while receiving the heat and combustion gas from the first combustion unit 31 and the first reburn unit 32 through a plurality of heat collection ports 37 arranged in a columnar manner. A second combustion unit 36 for burning solid fuel supplied to the combustion plate 39 through

While receiving the combustion heat and combustion gas via the second combustion section 36, the reburn rod 41, which is a mixture of small grains made of ceramics made of alumina, molybdenum, ceramic, tourmaline, and elvan, is cross-shaped and burned again. The second reburn unit 40 to be made,

The reburn body 43 and the iron chromium network 44 in which the combustion heat and the combustion gas passed through the second reburn section 40 were mixed with small grains obtained by ceramicizing alumina, molybdenum, ceramic, tourmaline, and elvan. A third reburn section 42 which burns again and alternately burns in a state where it is alternately installed,

The combustion chamber 23 is composed of the first combustion unit 31, the first reburn unit 32, the second combustion unit 36, the second reburn unit 40 and the third reburn unit 42. A heating chamber 24 which receives the combustion heat generated in the air and heats the water supplied through the water supply pipe 46 and discharges it through the water discharge pipe 47;

Positioning the plurality of heat transfer rods 51 connected to each other by the heat transfer piece 52 while radially arranged therebetween while the combustion gas moving to the upper end of the combustion chamber 23 passes through the plurality of exhaust pipes 50. It is composed of hot air chambers 25 so that the air introduced into one air inlet 53 by the fan 55 is heated while being discharged to the other air outlet 54.

Figure 3 shows the configuration of the dust collecting purification apparatus according to the present invention, but the cylindrical riser 64 is formed inside the main body 61 consisting of a cylindrical upper portion 62 and a conical lower portion 63,

Cylindrical inner wall for separating the contaminated material having a mass by the falling vortex formed while the contaminated combustion gas forcibly introduced through the inlet 65 of the eccentric position of the main body 61 by the turning movement 66 and the conical inner wall surface 67,

The cylindrical rise pipe 64 formed in the center of the main body 61 and the combustion gas is separated from the above contaminants,

The power supplied from the power supply unit 71 is supplied by the high voltage generating unit 72 to the rectified and boosted and smooth high voltage of negative (-) to generate anion from the plurality of electrodes 13 while sterilizing and purifying pollutants Anion generator 70,

The washing water supplied through the water supply part 81 is collected in the support plate 84 after washing the combustion gas while moving downwardly like a shower through a plurality of micropores 83 formed on the upper surface of the supply plate 82. Washing unit 80 through the drainage space 85 formed in the circumferential shape and drained through the drain pipe 86,

It has a large internal surface area of more than 1000㎡ per 1g, filled with activated carbon 91, which is an aggregate of amorphous carbon with finely developed fine pores made from carbonaceous materials such as palm, wood, lignite, anthracite, and coal. Activated carbon layer 90 for purifying while adsorbing molecules of adsorbate by attracting the functional groups of carbon atoms present on the surface to the surrounding liquid or gas,

Sterilization and disinfection of pollutants while generating hydroxyl groups consists of a titanium dioxide tube 102 that receives the ultraviolet wavelength irradiated during light emission from the central photocatalytic active light source 101 that is powered by the power supply unit 71. Of course, the hydroxyl generator (OH Radical) 100 to be able to chemically decompose and remove,

Particles and molecules of several to several tens of micrometers or more are filtered by activated pores in the filled porous zeolite filter 111, and K + 1, Ca + 2, Na + 1, Fe + 2, and Mg inside the zeolite. Cations such as +2 chemically adsorb and filter gaseous contaminants, and filter layers 110 that adsorb the binding inducer of HCl, HNO 3, HPO 3, Cu, Ag to filter gaseous contaminants with high activation energy by chemical bonding. It is composed of.

At the lower end of the main body 61, a discharge port 68 for discharging the separated pollutants is formed to collect the collected pollutants and to be purified by an external water purifier 16 to be re-supplied to the water supply unit 81.

Wastewater sludge fuel resource recycling system of the present invention configured as described above,

The wastewater sludge, waste lime, waste coal and food waste are dried and crushed to a size of 1 mm or less, and then the first feeder (1), the second feeder (2), the third feeder (3) and the fourth feeder (4). Save it to

Waste oil and seawater are also stored in the fifth feeder 5 and the sixth bone loader 6.

In this state, the wastewater sludge 10 to 15% by weight, waste lime powder 10 to 15% by weight, waste coal 30 to 35% by weight, food waste 25 to 35% by weight and waste oil 5 to 10% by weight 6th feeder 6 Mixers 7 are mixed while receiving hot air for drying in the mixer 7 supplied with 4 to 6% by weight of seawater from each other to form a mixture.

The mixture is processed in the form of pellets by the pellet molding machine 8 and then aligned in the pellet organizer 9 to facilitate transport.

The aligned pellets are dried by hot air for drying in the first to third dryers (10) (11) (12) and then supplied for combustion while storing the dried pellets in the fuel tank (13). do.

Combustion in hot air and hot water boiler 14 supplied with the fuel in the pellet state supplied from the fuel tank 13 and the gas generated during drying in the first to third dryers 10, 11, 12. To produce hot air and heating water.

That is, in the first combustion unit 31 such as a burner supplied with the fuel in the pellet state, continuous combustion is performed until the temperature inside the combustion chamber 23 becomes 800 ° C.

While the combustion heat and the combustion gas move upward while the fuel is combusted in the first combustion unit 31, the combustion heat and the combustion gas are transferred to the first reburn unit 32 positioned above and pass through the space 35. At the same time, heat is temporarily accumulated in the formed plurality of heat collecting holes 33, and the reburned layer 34 formed around the high temperature is made by mixing small grains of ceramics made of alumina, molybdenum, ceramic, tourmaline, and elvan. It is heated again to burn the combustion gas in an incomplete combustion state together with the heat of combustion passing through the internal space 35.

When the internal temperature of the combustion chamber 3 reaches 600 ° C. by the combustion, the first fuel unit 31 and the first combustion unit 31 and the first combustion unit may be supplied to the combustion plate 19 through the inlet 38. The heat of combustion transmitted from the reburn unit 32 is transmitted through a plurality of heat collection ports 37 arranged in a columnar shape, and the solid fuel is burned with the heat.

In the second reburn unit 40 receiving the heat of combustion and the combustion gas passing through the second burner 36, small grains made of alumina, molybdenum, ceramic, tourmaline, and elvan are mixed and installed in a cross shape. The combustion is performed again by the reburn rod 41.

In addition, in the third reburn unit 42 receiving the combustion heat and the combustion gas via the second reburn unit 40, a reburn body in which small grains obtained by ceramicizing alumina, molybdenum, ceramic, tourmaline, and elvan are materials. (43) and the iron chrome net (44) alternately installed in the state of combustion again to achieve complete combustion.

Heating that receives heat generated during combustion in the combustion chamber 23 including the first combustion unit 31, the first reburn unit 32, the second combustion unit 36, and the second reburn unit 40. In the seal 24, the water supplied through the water supply pipe 26 is heated to be discharged through the water discharge pipe 27.

At this time, while detecting the temperature of the water heated by the temperature sensor to discharge the hot water of the desired temperature.

The plurality of heat transfer rods connected to each other by the heat transfer pieces 52 while the combustion gas moving to the upper end of the combustion chamber 23 passes through the exhaust pipes 50 in the hot air chamber 25 and are arranged radially therebetween. By warming the 51 to heat the air introduced into one of the air inlet 53 by the fan 55 to be discharged to the other air outlet (54).

Here, the warmed air controls the operation of the fan 55 to obtain hot air at a desired temperature.

And the hot water and hot air of a desired temperature is obtained by adjusting the fuel supplied to the 1st combustion chamber 31 and the 2nd combustion chamber 36 according to the temperature of the said hot water or hot air.

On the other hand, in the dust collecting purifier 15 that receives the combustion gas discharged from the hot air and hot water boiler 14 and the gas generated in the first to third dryers 10, 11, 12 above. Purify by cyclone, anion, washing, activated carbon, hydroxyl and filter.

That is, the polluted combustion gas forcibly introduced through the inlet 65 at the eccentric position of the main body 61 is formed while descending by turning movement along the cylindrical inner wall 66 and the conical inner wall surface 67. The vortex separates the mass pollutants.

The separated pollutants are collected at the outlet 68 at the bottom, and the collected pollutants are collected and disposed of outside.

And the combustion gas from which the pollutant is separated rises to a cylindrical riser 64 formed in the center of the main body 61, and generates anion generating unit 70, washing unit 80, activated carbon layer 90 and hydroxyl group. Complete purification is performed via the part 100 and the filter layer 110.

That is, the negative ion is supplied through the plurality of electrodes 73 in the negative ion generating unit 70 which receives the power applied from the power supply unit 71 at the high voltage generating unit 72 at a rectified and boosted voltage and a smooth negative high voltage. To disinfect and cleanse contaminants.

Then, the washing water is supplied to the upper surface of the supply plate 82 of the cleaning unit 80 through the water supply unit 81, and then moves downward through a plurality of fine holes 83 formed in the supply plate 82. After washing the combustion gas in the middle is collected in the support plate 84 to pass through the drainage space 85 formed in the circumferential shape and to drain through the drain pipe 86 at the bottom,

In the activated carbon layer 90 filled with activated carbon 91, which is an aggregate of amorphous carbon with finely developed fine pores made of carbonaceous materials such as palm, wood, lignite, anthracite and bituminous coal, a large internal surface area of 1000 m 2 or more per gram or more The functional group of the carbon atoms present on the inner surface of the gas absorbs molecules of the adsorbate by attracting the surrounding liquid or gas to purify contaminants in the combustion gas.

The following hydroxyl generator (OH Radical) (100) forms a titanium dioxide tube (102) around the photocatalytic active light source 101 that is supplied with power from the power supply unit 71 to emit light from the photocatalytic active light source (101) While the ultraviolet wavelength is irradiated, the hydroxyl group is produced in the titanium dioxide tube 102 around the ultraviolet wavelength transmitted to enable sterilization and disinfection of the contaminants contained in the combustion gas as well as chemical decomposition and removal.

Particles and molecules of several to several tens of micrometers or more are filtered by activated pores inside the porous zeolite filter 111 filled in the filter layer 110, and K +1, Ca +2, Na +1, Cations such as Fe + 2 and Mg + 2 chemically adsorb and filter gaseous contaminants by substitution and replacement reactions, and adsorb the binding inducer of HCl, HNO 3, HPO 3, Cu, Ag Filter contaminants by chemical bonding.

In addition, the waste water including the waste water drained through the drain pipe 86 in the cleaning process of the dust collecting and purification device 15 is purified by the water purifying device 16 to be supplied to the washing water through the water supply unit 81 for reuse.

In addition, the pollutants are removed by sterilization, disinfection, and chemical decomposition by hydroxyl groups generated in the ion exchange resin of the ion exchange device 17 with respect to the purified air discharged from the dust collection and purification device 15.

The air passing through the ion exchange device (17) passes through the first and second substitution filtration adsorption devices (18) and (19) in turn, so that the gaseous pollutants are chemically replaced by the substitution and replacement reaction by the porous zeolite filter. Adsorption filtration allows the gaseous contaminants, the activation energy, to be filtered by chemical bonding.

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, but many variations and modifications may be made without departing from the scope of the invention. It will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims.

1 schematically shows the overall configuration of the invention.

Figure 2 illustrates the configuration of the present invention.

Figure 3 shows the configuration of the present invention.

Explanation of symbols on the main parts of the drawings

One :

Claims

A first feeder (1) containing wastewater sludge that is dried and ground to a size of 1 mm or less,

A second feeder (2) containing waste lime that has been dried and ground to a size of 1 mm or less;

A third feeder (3) containing waste coal pulverized to a size of 1 mm or less, and

A fourth feeder (4) containing food waste that is dried and ground to a size of 1 mm or less,

A fifth feeder (5) containing waste oil,

A pellet molding machine 8 for processing the mixture in the form of pellets,

Firstly, the gaseous pollutants are chemically adsorbed and filtered by chemical bonding through a porous zeolite filter with respect to air via the ion exchange device 17, and chemically adsorbed by chemical bonding. A wastewater sludge fuel resource recycling system comprising a second substitution filtration adsorption device (18).