KR20080027058A - Waste heat application the smell deodorizer device which is possible - Google Patents

Abstract

A waste heat applicable deodorizing equipment is provided to remove reliably odor and bacteria generated in the fermentation process of food garbage by dividing a deodorizing step into first and second treatment processes, and substantially reduce maintenance cost of a food garbage disposal system by recycling waste heat generated by the operation of a heater in the treatment processes. In a deodorizing equipment of a food garbage disposal system, the waste heat applicable deodorizing equipment is characterized in that the deodorizing equipment includes: a first deodorizing unit(160) for spraying a liquid solution to adsorb and remove odor components of gas and a second deodorizing unit(170) for heating gas passing through the first deodorizing unit to deodorize and sterilize the gas. The first deodorizing unit includes a metallic housing, plural stages of supply pipes(162) laterally installed in the housing to supply a microbial culture solution, a plurality of spray nozzles(163) attached to at predetermined positions on the supply pipe to spray the microbial culture solution, a pump(164) installed at the outside to apply a pressure to the supply pipe, partition walls(165) which are installed within the housing, and of which parts are opened to induce a vertical flow of gas, and a blowing pipe(167) installed on an upper outer part of the housing and connected to a blower. The second deodorizing unit includes a cylindrical housing approximately positioned above the first deodorizing unit, a water tower(172) which is installed within the housing, and in which water is filled, and an exhaust gas pipe(173) through which exhaust gas passing through the first deodorizing unit flows into the second deodorizing unit.

Description

Waste heat application the smell deodorizer device which is possible}

1 is a front view of an odor deodorizer according to an embodiment of the present invention.

2 is a view showing a deodorizing means according to an embodiment of the present invention, which is seen from the right side of FIG.

Figure 3 shows the configuration of the secondary deodorizing means according to the present invention, Figure 3a is a plan view, Figure 3b is a front view, Figure 3c is an enlarged view of the heater unit.

Figure 4 is a view showing a heat exchanger in the secondary deodorizing means according to the present invention, Figure 4a is a heat exchange means showing the heat exchange between the hot exhaust gas and water, Figure 4b is a view showing the hot air supply means.

5 is a flowchart showing a treatment process of an odor deodorizer according to the present invention.

Explanation of symbols on the main parts of the drawings

1: Odor deodorizer 2: Food waste disposal system

100: stirring tank 101: air inlet

110: stirrer 150: deodorization means

160: primary deodorizing means 161: housing

162: supply pipe 163: spray hole

164 pump 165 partition wall

166: blower 167: blower

170: secondary deodorization means 171: housing

172: water tower 173: exhaust gas pipe

174: large diameter 175: small diameter

176: discharge pipe 177: heater (heating means)

178: auxiliary heater (auxiliary heating means) 179: temperature sensor

180: heat exchange means 181: hot water

182: hot water pump (hot water supply means) 183: hot water pipe

190: hot air supply means (hot air means) 191: air pipe

192: ring blower (air supply means) 193: air supply pipe

200: expansion tube 202: hole

The present invention relates to an odor deodorizing apparatus used in a food waste disposal system, and more particularly, by recycling waste heat generated during processing of food waste, it is possible to significantly reduce maintenance costs, and The present invention relates to a waste deodorant device capable of utilizing waste heat to completely treat malodors and bacteria generated during fermentation.

In general, the configuration of the food waste disposal system has a predetermined width and size, and has a main body having an accommodating part therein, an agitating tank installed in the accommodating part of the main body for storing and fermenting food waste, and installed inside the agitating tank. It is composed of a stirrer for mixing food waste by a motor drive, and a deodorizer for removing water vapor and odor gas generated during operation of the stirrer.

In such a conventional food waste treatment system, in order to maintain the internal temperature of the stirring tank at an appropriate temperature so that fermentation can be actively performed, by heating the stirring tank by an electric heater method, or after forming a separate chamber, The method of heating the stirring tank by heating the heating medium using an electric heater by installing the heating medium in the chamber is mainly used.

In addition, as a deodorizing means used in the conventional food waste treatment system, an activated carbon filter, ozone, high temperature oxidation method, catalytic oxidation method, and the like are applied.

However, the food waste treatment system as described above has a problem in that the production cost is increased because a heating device (heating means), such as an electric heater, is separately formed and used at the bottom of the agitation tank to increase the fermentation of the food waste during the stirring operation. There was a problem that the energy consumption rate is increased according to the operation of the heating apparatus.

In addition, in the conventional food waste treatment system, most of the apparatuses for collectively treating the exhaust gas generated during the fermentation process of food waste, the first step, the second step, such as the second step is not performed deodorization, eradication of bacteria There is a problem that the effect is insufficient.

Therefore, the object of the present invention is to solve the above-mentioned problems, in order to remove the odor and bacteria generated during the fermentation of food waste, the deodorization step is divided into first and second to achieve a certain effect, this treatment By recycling the waste heat generated by the operation of the heater in the process, it is to provide a waste heat available odor deodorizing device that can significantly reduce the maintenance cost of the food waste treatment system.

Waste heat utilization odor deodorizing apparatus according to the present invention for achieving the above object, the primary deodorizing means for adsorbing and removing the malodorous components of the gas through the spraying of liquid, and by heating the gas passing through the primary deodorizing means It is characterized in that it comprises a secondary deodorizing means for performing sterilization and pyrolysis of organic matter.

Optionally, the secondary deodorizing means is characterized in that the heat exchange means are formed.

In addition, the secondary deodorizing means is characterized in that the hot air supply means for heating the air with the heat recovered through the heat exchange means is supplied to the food waste treatment system is formed.

In addition, the primary deodorizing means is characterized in that it comprises a supply pipe for supplying the microbial culture solution, a plurality of spray holes formed in the supply pipe, a pump for supplying the microbial culture solution to the supply pipe.

The secondary deodorizing means is characterized in that the heating means for heating and oxidizing the exhaust gas is formed.

The heat exchange means has a plurality of small diameter tube to facilitate the heat exchange by increasing the contact area with the water in the housing, and the hot water and the stirring tank of the food waste treatment system is raised by the small diameter tube It is characterized in that it comprises a hot water pipe surrounding the hot water supply means for circulating and supplying water to the hot water pipe so that the water in the hot water pipe and the stirring tank make heat exchange.

The plurality of small diameter pipe is characterized in that part of the exhaust gas pipe.

The hot air supply means is connected to the air pipe for supplying the heated air in the air tube, the air inside the air pipe, and the air supply means, the air supply means for supplying air into the stirring tank of the food waste treatment system It characterized in that it comprises an air supply pipe.

The secondary deodorizing means is characterized in that a separate auxiliary heating means is formed to operate when the water temperature is lowered below 60 ℃ to increase the water temperature to a predetermined temperature.

The temperature of the air supplied into the stirring tank of the food waste treatment system through the hot air supply means is characterized in that 55 ℃ ~ 60 ℃.

The heating means is characterized in that the heater.

In addition, the large diameter tube to which the heater is attached, a plurality of holes are formed, waste heat available odor deodorizing device characterized in that the discharge gas flows into the hole in contact with the lower end of the heating wire.

Hereinafter, with reference to the accompanying drawings an embodiment of the waste heat available odor deodorizing apparatus according to the present invention will be described in more detail.

However, the following examples are merely exemplary, various modifications are possible within the technical spirit of the present invention, and the present invention is not limited.

1 is a front view of an odor deodorizing apparatus according to an embodiment of the present invention, FIG. 2 is a view showing a deodorizing means according to an embodiment of the present invention, and FIG. 3 is a view showing the configuration of the secondary deodorizing means.

3A is a plan view of a secondary deodorizing means according to the present invention, FIG. 3B is a front view, and FIG. 4 is a view showing a heat exchanger in the secondary deodorizing means.

4A is a heat exchange means showing heat exchange between hot exhaust gas and water, FIG. 4B is a view showing hot air supply means, and FIG. 5 is a flow chart showing a processing step of the odor deodorizing apparatus of the present invention. As described above, the odor deodorizing apparatus 1 is installed at one side of the food waste processing system 2, and is connected to the stirring tank 100 installed inside the food waste processing system 2 so that the odor deodorizing device 1 is in the stirring tank 100. The smell or bacteria of the exhaust gas (gas) discharged from the gas is deodorized by a deodorizing device (hereinafter referred to as "deodorizing means"), and the waste heat generated in this deodorizing process is recycled.

The agitator tank 100 is a stainless steel material of a substantially cylindrical shape which is installed in the food waste processing system 2 to stir and ferment the introduced food waste, and the lower part is closed, the upper part is open, and air from the outside. A plurality of air inlets 101 which can be supplied to the vessel is formed in a plurality of places in the stirrer 110 is installed inside, the motor 120 is installed as a drive source for driving the stirrer 110 above. .

Deodorizing means 150 is to remove the odor (odor) contained in the exhaust gas generated during the fermentation and decomposition process of food waste, as shown in Figure 2 by spraying a microbial culture liquid as a liquid to deodorize a low concentration of odor Primary deodorizing means 160 is formed, located on the upper side of the primary deodorizing means 160, secondary deodorizing means for deodorizing a high concentration of odor by a method of oxidizing to a high temperature subsequent to the primary deodorizing means 160 170 is formed.

The primary deodorizing means 160 is located on one side of the food waste disposal system 2, and a housing 161 made of metal and a supply pipe 162 for supplying a microbial culture solution to the inside of the housing 161 are transverse directions. A plurality of stages are formed, and a plurality of spray holes 163 for spraying the culture solution are attached to a predetermined position in the supply pipe 162 so that a spray is applied by supplying a pressure to the supply pipe (164). .

In addition, a partition wall 165 is formed to open only a part of the exhaust gas so that the exhaust gas flows up and down to increase the deodorization efficiency of the microorganism culture medium. A blower 166 is provided on the outer upper side of the housing 161. And a blower pipe 167 connected to the upper portion of the upper portion of the first deodorizing means 160 and the ceiling of the stirring tank 100, and the exhaust gas generated in the stirring tank 100 flows through the blower tube 167. do.

In addition, the secondary deodorizing means 170, as shown in Figs. 2 and 3, the cylindrical housing 171 located substantially above the primary deodorizer 160, and the inside of the housing 171 The water is filled up to approximately the top, and the water tower 172 for adjusting the water level is connected to the water supply device 173 is configured to maintain a constant water level. Therefore, the main configuration of the secondary deodorizing means 170 is formed in water.

In addition, the exhaust gas that has undergone the deodorization process in the primary deodorizing means 160 is introduced into the secondary deodorizing means 170 through the exhaust gas pipe 173. The exhaust gas pipe 173 connected to one side of the housing 171 extends through the inside of the water and to the outside through the upper portion of the housing 171. In addition, a part of the heat exchange means 180 and the hot air supply means 190 associated with the exhaust gas pipe 173 is formed in the housing 171 to be connected to the stirring tank 100 of the food waste disposal system 2. It is.

As shown in FIG. 3A and FIG. 3B, the said exhaust gas pipe 173 is connected by the large diameter pipe 174 of the substantially "M" shape in the lateral direction, and near the end of the large diameter pipe 174, and several thin pipes. It consists of the small diameter pipe 175 formed side by side in this transverse direction, The discharge pipe 176 discharged | emitted outside is formed in the edge part of the said small diameter pipe 175 extended outside. A heater 177 is attached to the inside of the tube near the middle of the large diameter tube 174 as a heating means, and an auxiliary heater 178 is provided below the small diameter tube 175 as an auxiliary heating means. At the bottom of 176, a temperature sensor 179 is provided. 3C, the expansion tube 200 is wrapped around the large diameter tube 174 to which the heater 177 is attached, so that the large diameter tube 174 is formed inside the expansion tube 200. Shape. Therefore, the exhaust gas flowing from the primary deodorizing means 160 flows loosely to the upper end while contacting the lower end of the heating wire 201 of the heater 177 through the expansion pipe 200 so that the exhaust gas is completely oxidized by heat. In addition, a plurality of small holes 202 are drilled in the large diameter pipe 174 located near the lower end of the heating wire 201 of the heater 177 so that the exhaust gas flows in through the holes.

The heater 177 is electrically operated to generate a high heat of approximately 700 ° C. to 800 ° C., and may be anything including a ceramic heater, and the exhaust gas flowing from the primary deodorizing means 160 is heated at a high temperature. In contact with parts, residual odors and bacteria are sterilized at a high temperature.

The auxiliary heater 178 is an auxiliary heating means that is separately installed, and is an apparatus that is electrically operated only when the temperature of the hot water in the housing 171 falls below 60 ° C.

The heat exchange means 180 is connected to the small diameter pipe 175, the hot water 181, the hot water pump 182 and the hot water pump (182: hot water supply means) provided at the lower end of the housing 171, the stirring tank 100 It consists of a hot water pipe 183 is formed so as to surround the outer lower and side portions.

As shown in FIG. 4A, waste heat generated in the process of sterilizing the exhaust gas from the primary deodorizing means 160 at a high temperature by the heater 177 installed in the middle of the large diameter tube 174 is introduced together with the exhaust gas. By passing through the small diameter tube 175, the heat of the exhaust gas is transferred to the small diameter tube 175, which in turn is used to heat water outside the small diameter tube 175, that is, the water in the housing 171, thereby exchanging heat exchange. Is done.

Further, as shown in FIG. 3B, the food waste treatment system (2) is provided by the hot water pump 182 installed outside the hot water 181 in the housing 171 heated by heat exchange through a hot water pipe 183 serving as a tubular member. The secondary heat exchange is performed to maintain the temperature of the stirring tank 100 at a predetermined temperature by circulating and supplying it in contact with the outer surface of the stirring tank 100 of 2).

As shown in FIG. 4B, the hot air supply unit 190 includes an air pipe 191 formed in the form of a rough staircase or a ladder located below the temperature sensor 179 in the housing 171, and the air pipe 191. It consists of a ring blower (192: air supply means) for supplying and circulating air and an air supply pipe (193) formed in a tubular shape so that the air can be supplied into the stirring vessel (100) from the ring blower (192).

Therefore, since the air pipe 191 is installed in the hot water 181, the air in the air pipe 191 is heated by heat exchange with the hot water 181, and the air is supplied to the air supply pipe 193 connected to the ring blower 192. It is supplied to the air inlet 101 formed on the side of the stirring tank 100 through.

Next, the operational relationship of the odor deodorizing apparatus according to the present invention having the above-described configuration will be described.

First, as can be seen from the flow chart of Figure 5, the waste gas generated during the fermentation process during the food waste treatment in the stirring tank 100 in the food waste processing system 2 is introduced into the primary deodorizing means 160, microorganisms After spraying the culture solution to deodorize and remove the mainly low concentration of odor and bacteria contained in the exhaust gas, and then flows into the secondary deodorizing means 170, the residual amount of high concentration not deodorized during the deodorization process of the primary deodorizing means The odor and bacteria of oxidized to a high temperature of the electric heater 177 to deodorize and remove, the deodorization process is carried out in two stages.

As a result, the exhaust gas generated from the food waste disposal system can be completely deodorized and sterilized in a fundamental manner through two stages, and the exhaust gas thus completely treated is discharged to the outside, thereby being discharged to the outside. Odors may remain in the off-gas, or it may completely end concerns, such as the growth of bacteria.

In addition, a large diameter pipe 174 having an approximately "M" shape and exhaust gas including high temperature heat generated from the heater 177 during the deodorization of the secondary deodorizing means 170, and the large diameter pipe 174. By passing the small diameter pipe 175 which is connected in the lateral direction near the end of the heat exchanger, the heat is exchanged with the water in the housing 171 to raise the water temperature to recycle waste heat.

By the heat exchange process, the water in the housing 171 becomes hot water 181 at a predetermined temperature, and the hot water is utilized to maintain the temperature of the stirring vessel 100 by the heat exchange means 180 at a predetermined temperature. In addition, the air warmed by the hot air supply means 190 is supplied to the inside of the stirring tank 100 to be used to promote fermentation of food waste.

In addition, the hot air supply means formed in the secondary deodorizing means heats the air with heat recovered from the heat exchange means for recovering the heat retained by the gas passing through the secondary deodorizing means to supply to the food waste treatment system.

As described in detail above, according to the odor deodorizing apparatus according to the present invention, the first deodorizing means for adsorbing and removing the malodorous components of the gas through the spraying of liquid, and by heating the gas passing through the first deodorizing means to sterilize and By including a secondary deodorizing means for performing thermal decomposition of organic matter, it is possible to fundamentally completely deodorize and sterilize odors and bacteria in two stages of the exhaust gas generated from the food waste treatment system, and also completely By discharging the exhaust gas to the outside, it is possible to completely end the concern that odor or bacteria may be contained in the exhaust gas discharged to the outside. In addition, since the exhaust gas containing the high temperature heat generated during the deodorization process of the odor is recycled by the heat exchange means and the hot air supply means, there is no need to separately install a heating means for maintaining the stirring tank at a constant temperature There is an excellent effect, such as to achieve savings.

Claims (12)

In the odor deodorizer of food waste disposal system, The odor deodorizing device includes a primary deodorizing means for adsorbing and removing malodorous components of gas through spraying of liquid; And a second deodorizing means for heating and deodorizing and sterilizing the gas passing through the first deodorizing means. The method of claim 1, wherein the secondary deodorizing means waste heat utilization odor deodorizing apparatus characterized in that the heat exchange means is formed. According to claim 2, The secondary deodorizing means waste heat available odor deodorizing apparatus characterized in that the hot air supply means for heating the air with the heat recovered through the heat exchange means is supplied to the food waste treatment system. According to claim 1, wherein said primary deodorizing means waste heat available odor characterized in that it comprises a supply pipe for supplying the microbial culture solution, a plurality of spray holes formed in the supply pipe, and a pump for supplying the microbial culture solution to the supply pipe Deodorizer. The method of claim 1, wherein the secondary deodorizing means waste heat available odor deodorizing device, characterized in that the heating means for heating and oxidizing the exhaust gas is formed. According to claim 2, wherein the heat exchange means has a plurality of small diameter tube to facilitate the heat exchange by increasing the contact area with water in the housing, the hot water is raised water temperature by the small diameter tube, food waste disposal system Waste water utilization odor deodorizing apparatus comprising a hot water pipe surrounding the stirring tank, and hot water supply means for circulating supply of water to the hot water pipe to form a heat exchange between the water in the hot water pipe and the stirring tank. 7. The apparatus of claim 6, wherein the plurality of small diameter pipes is part of an exhaust gas pipe. The method of claim 3, wherein the hot air supply means is connected to an air pipe in which air inside is heated by a water temperature, air supply means for supplying heated air in the air pipe, and agitation of a food waste disposal system connected to the air supply means. Waste heat utilization odor deodorizing device comprising an air supply pipe for supplying air into the tank. The auxiliary deodorizing means according to any one of claims 1 to 3, characterized in that a separate auxiliary heating means is formed in the secondary deodorizing means to operate when the water temperature falls below 60 ° C to raise the water temperature to a predetermined temperature. Waste heat utilization odor deodorizer. The waste heat utilization odor deodorizing apparatus according to claim 3 or 8, wherein the temperature of the air supplied into the stirring tank of the food waste treatment system through the hot air supply means is 55 ° C to 60 ° C. The waste heat utilization odor deodorizing apparatus according to claim 5, wherein the heating means is a heater. 12. The large diameter pipe to which the heater is attached is formed with a plurality of holes, and the exhaust gas flows into the holes to contact the lower end of the heating wire according to any one of claims 5, 6 and 11. Waste heat utilization odor deodorizer, characterized in that.

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