KR200168715Y1 - Liquid fermentation disposal device for foodstuffs waste and sewage sludge - Google Patents

Abstract

The present invention relates to a food waste and sewage sludge liquid fermentation treatment device, in particular, the heat insulating member 11 and the jacket 12 is installed, the manhole 13 having a lid 13b having a viewing window 13a is provided Ladder 15 is installed inside, and a refill water inlet 14, a contents inlet 19, a washing water inlet 20 and a spare nozzle 10 is installed on one side of the upper surface, several baffle plates on the inner circumferential surface A cylindrical tank 1 of a predetermined volume provided with (16); Several legs 18; At least two hot water coils 2 for heating the contents introduced into the tank; A geared motor 3 for generating a rotational force to the contents; A shaft 4 which rotates in response to the geared motor 3; Several impellers 41-43 for mixing food waste or sewage sludge with aerobic thermophilic microorganisms well; Air injection nozzle rings 5a and 5b for uniformly distributing and supplying air to the contents in the tank 1; A contents outlet 6; A large amount of food logistics consists of a water level detection sensor 7a, a temperature sensor 7b and a temperature meter 7c, a dissolved oxygen level meter 7d and a pH meter 7e, an exhaust fan 8 and an illumination device 9 The waste or sewage sludge can be fermented through aerobic thermophilic microorganisms in a short time to produce earthworm food, thereby preventing the environmental pollution caused by food waste or sewage sludge, and composting soil and soil In other words, it can be used as soil improver and water treatment agent.

Description

Liquid fermentation disposal device for foodstuffs waste and sewage sludge}

The present invention relates to a food waste and sewage sludge liquid fermentation treatment device. More specifically, food waste or sewage sludge having a water content of about 80-85% is introduced into a tank of a predetermined volume to supply air and maintain a predetermined temperature. Food and logistics as a pretreatment device for biodegradation using earthworms designed to be produced in short time by fermentation through aerobic high temperature microorganism while stirring and mixing continuously through rotation of shaft while mixing with aerobic high temperature microorganism. Waste and sewage sludge liquid fermentation treatment apparatus.

In general, food waste is used as a raw material for the production of methane gas through a methanation treatment device, or as a feed for various animals through a vacuum dryer, and fermented by a fermentation dryer to be used as feed or compost, or as a compost through a stirring composting device. It is made and spread on homegrown plants and used as food for earthworms.

However, in the above, it takes not only a lot of time to produce the food waste in the compost through the stirring composting device, there is a problem that the mass processing is difficult.

The present invention was devised to solve such a conventional problem, and sorted and pulverized various food wastes and sewage sludge and fermented through aerobic thermophilic microorganisms in a predetermined volume of tank to have a water content of 70% within a short time. To provide a food waste and sewage sludge liquid fermentation system that can be produced by the earthworm food.

The above object of the present invention, the upper and lower parts in the closed state is wrapped by the insulating member on the outer peripheral surface and the bottom, the bottom is provided with a jacket having a hot water inlet and outlet, the upper surface one side by a lid body provided with a viewing window At the bottom of this manhole, a ladder equipped with a level gauge is installed, and a refill water inlet for replenishing water to the contents is provided on one side of the manhole, and various food waste or A content inlet for selectively sterilizing and sterilizing liquid, including sewage sludge, is installed, and on one side thereof, a washing water inlet for selectively injecting water for washing the tank is provided. Spare nozzles are installed to selectively add sterilization and sterilization liquids and liquids other than wash water. A cylindrical tank having a predetermined volume having a configuration in which a plurality of baffle plates are provided at a predetermined angle in the vertical direction from the inner circumferential surface to provide frictional force so that the contents do not rotate like a shaft; The upper end is fixed to the outer peripheral surface of the reinforcing ring fixedly installed on the outer peripheral surface of the bottom of the tank at a predetermined angle so that the tank itself is maintained at a predetermined height from the ground and the tank is erected in the vertical direction. Several legs to maintain; Hot water coils each having hot water inlets and outlets at both ends and installed in a coil form in the tank to heat contents introduced into the tank through hot water supplied from a boiler; A geared motor having a rotation speed control and a gear box and installed perpendicular to the center of the upper surface of the tank to generate rotational force on the shaft; An upper end connected to the shaft of the gear box through a clamp, and a lower end mounted on the foot bearing installed at the center of the bottom of the tank, the rotating shaft being rotated in response to the rotational speed of the geared motor; Installed in the upper and middle portions of the shaft and the lower portion, respectively, to transfer the rotational force of the motor directly to the contents and to move the contents downward or outward or upward, so that food waste or sewage sludge and aerobic hot bacteria Several impellers to allow the microorganisms to be stirred and mixed; Two air injection nozzles, each of which is installed at an outer side and a bottom of the lower impeller, to evenly distribute and supply the air supplied from the compressor to the contents of the tank; A contents discharge port provided with a sampling discharge nozzle and installed at a central portion of the bottom of the tank to which a pump for transferring the contents to a temporary storage tank or an oil tanker is coupled; A water level detection sensor installed at an upper side of the outer circumferential surface of the tank to detect a water level of the contents flowing into the tank; A temperature sensor and a temperature meter which are respectively installed on upper and lower sides of the outer circumferential surface of the tank to detect and display a temperature in the tank; Dissolved oxygen amount measuring device and PH measuring device respectively installed in the middle of the outer peripheral surface of the tank to detect the dissolved oxygen amount and concentration contained in the contents of the tank; An exhaust fan installed at one side of an upper surface of the tank to discharge heat and moisture in the tank to the outside; It can be achieved by being provided at a predetermined position on the upper surface of the tank to constitute a lighting device for selectively irradiating light into the tank.

Therefore, after crushing a predetermined amount of food waste and sewage sludge, it is crushed to about 5 mm, and when food waste and sewage sludge raw materials having a water content of about 80-85% are introduced into the tank, aerobic thermophilic microorganisms are added thereto. If air is supplied from the bottom and hot water is supplied from the outer circumference to maintain a predetermined temperature, the shaft equipped with several impellers is continuously rotated, stirred, and mixed to ferment the earthworm food having a water content of 70% within a short time. It is.

1 is a longitudinal sectional view of the present invention liquid fermentation treatment apparatus.

Figure 2 is a plan view of the present invention liquid fermentation treatment apparatus.

Explanation of symbols on the main parts of the drawings

1: tank 2: hot water coil

3: geared motor 4: shaft

5a, 5b: Air jet nozzle ring 6: Contents outlet

7a: water level detection sensor 7b: temperature sensor

7c: Temperature meter 7d: Dissolved oxygen level meter

7e: PH meter 8: exhaust fan

9: lighting device 10: spare nozzle

11: insulation member 12: jacket

13a: sight window 13: manhole

14: supplement water inlet 15: ladder

16: baffle plate 17: reinforcing ring

18: leg 19: contents slot

20: washing water inlet 41-43: impeller

44: Clamp 45: Foot Bearing

Hereinafter, with reference to the accompanying drawings, an embodiment of the present invention in detail as follows.

Figure 1 shows a longitudinal cross-sectional view of the liquid fermentation treatment apparatus of the present invention, Figure 2 shows a plan view of the liquid fermentation treatment apparatus of the present design.

According to this, in the state where the upper and lower parts are blocked, the outer circumferential surface and the bottom part are installed with the insulating member 11 wrapped, and the bottom part is provided with a jacket 12 having hot water inlet and outlet ports 121 and 122. One side is provided with a manhole 13 which is opened and closed by a lid body 13b provided with a viewing window 13a, and a ladder 15 having a level gauge 15a is installed at the bottom of the manhole 13. On one side of the upper surface, a supplementary water inlet 14 is provided to replenish the water if necessary, and the rear surface of the upper surface is pulverized into fine particles (about 5 mm) of a predetermined size and then stored in the liquid fractionation part through a pump. Content inlet 19 for sterilization and sterilization liquid is selectively added, including food waste and sewage sludge to be sent, washing water inlet 20 for selectively injecting water for washing the tank and the contents or sterilization, Sterile solution and wash water Spare nozzle 10 is installed to selectively inject the liquid of the several baffle plate 16 to give a strong frictional force so that the contents are not rotated like the shaft 4 at a predetermined angle in the vertical direction from the inner peripheral surface A cylindrical tank (1) having a predetermined volume having a structure in which is installed;

The upper end is fixed to the outer peripheral surface of the reinforcing ring 17 fixedly installed on the outer peripheral surface of the bottom of the tank 1 at a predetermined angle so that the tank 1 itself maintains a predetermined height from the ground. At the same time, several legs 18 for maintaining the tank in the vertical direction;

Hot water inlet 21 and outlet 22 are provided at both ends, respectively, and are installed in a coil form in the tank 1 to heat the contents introduced into the tank through hot water supplied from a boiler (not shown). Two or more hot water coils 2;

A geared motor (3) having a rotation speed control and a gear box (31) and installed perpendicular to the center of the upper surface of the tank (1) to generate rotational force to the contents through the shaft (4);

The upper end is connected to the shaft of the gear box 31 through the clamp 44 and the lower end is installed in a state supported by the foot bearing 45 installed in the center of the bottom surface in the tank (1) of the geared motor (3) A shaft 4 which rotates in response to the rotational speed;

The upper and middle portions of the shaft 4 and the lower and fixed portions are respectively installed at the upper portion of the tank (1) when rotated with the shaft is located in the lower portion, the contents located in the middle portion to the outside A plurality of impellers (41-43) for stirring the contents located in the lower portion of the tank to move upwardly to mix food waste or sewage sludge with aerobic thermophilic microorganisms well;

Two air which is installed at the outer and bottom of the lower impeller 43 of the several impellers (41-43), respectively to evenly distribute and supply the air supplied from the compressor (not shown) to the contents in the tank (1) Spray nozzle rings 5a and 5b;

A contents discharge port (6) having a sampling discharge nozzle (61) and installed at a bottom center of the tank (1) to which a pump for selectively transferring contents to a temporary storage tank or an oil tanker (not shown) is coupled;

A water level detection sensor 7a installed at an upper side of the outer circumferential surface of the tank 1 to detect a water level of the contents flowing into the tank;

A temperature sensor 7b and a temperature meter 7c which are respectively installed on upper and lower sides of the outer circumferential surface of the tank 1 to electrically detect and display the temperature in the tank;

Dissolved oxygen amount measuring device (7d) and PH measuring device (7e) which are respectively installed in the middle of the outer peripheral surface of the tank (1) to detect the dissolved oxygen amount and the concentration of the contents in the tank;

An exhaust fan (8) installed at one side of the upper surface of the tank (1) to discharge heat and moisture in the tank to the outside;

It is characterized in that it is installed at a predetermined position on the upper surface of the tank (1) consisting of a lighting device (9) for selectively irradiating light into the tank.

At this time, the geared motor (3), the water level detection sensor (7a), the temperature sensor (7b), dissolved oxygen measuring device (7d), PH measuring device (7e), lighting device (9) and exhaust fan (8) The illustrated boilers, compressors and temporary storage tanks or lubricator motors are connected to the control panels, not shown, so that the control panel recognizes each detection signal and controls the driving of each component.

Referring to the operation and effect of the device of the present invention configured as described above are as follows.

First, the cylindrical tank 1, whose capacity is determined according to the amount of food waste and sewage sludge to be treated, is in a state where the upper and lower parts are blocked, and the insulating member 11 is wrapped around its outer circumferential surface and bottom. The bottom portion of the bottom surface is provided with hot water inlet and outlet ports 121 and 122 and by forming a jacket 12 through which the hot water is filled into the inner space, the contents heated by the hot water are cooled and opened by the outside air. The increase in consumption can be prevented.

In addition, since the lid 13b having the viewing window 13a is installed in the manhole 13 provided on one side of the upper surface of the tank 1 so as to be opened and closed, through the viewing window 13a of the lid 13b. The fermentation degree or the amount of the contents in the tank (1) in the fermentation operation by the aerobic high-temperature microorganism can be easily identified with the naked eye.

Of course, by installing the lighting device (9) on the upper surface of the tank (1), the present device is installed in a dark place or even at night to operate the lighting device (9) installed on the upper surface of the tank lid body Through the viewing window 13a of 13b, the state of the inside of the tank can be checked with the naked eye.

On the other hand, by installing a ladder 15 having a level gauge 15a at the bottom of the manhole 13, the amount of contents contained in the tank can be easily checked with the naked eye as well as the tank 1 If you want to install a predetermined part inside, or if a broken part occurs or if you want to clean the inside of the tank directly, open the manhole cover body and enter the tank through the ladder 15 can easily perform the operation.

In addition, since several baffle plates 16 are installed at a predetermined angle in the vertical direction from the inner circumferential surface of the tank 1, the contents are stirred and mixed by impellers 41-43 fixed to the shaft 4. When the contents themselves collide with the baffle plates 16 and have a strong frictional force, the contents rotate along the inner circumferential surface of the tank 1 by the rotation of the impellers 41-43 (that is, the contents of the tank 1 It rotates along the inner circumferential surface of) so that it does not mix well.

In addition, the reinforcing ring 17 is fixedly installed on the outer peripheral surface of the bottom of the tank 1, and the upper end of the legs 18 having a predetermined length is fixed to the outer peripheral surface of the reinforcing ring 17 by the present invention. When the device is installed in a specific place, the tank 1 and the ground can be kept at a predetermined height to secure the necessary space at the bottom of the tank 1, and the tank itself can be maintained vertically from the ground. .

On the other hand, hot water or steam may be used as a heating means for the contents (ie, food waste and sewage sludge and aerobic thermophilic microorganisms) introduced into the tank 1, in the present invention, a hot water inlet in the tank 1. One or more (for example, one to three) hot water coils 2 having 21 and outlets 22 are installed in accordance with the size of the tank so that the contents are heated evenly regardless of the top, middle and bottom of the tank. I could do it.

Of course, at the beginning of the contents into the control panel not shown in the drawing, the temperature in the tank 1 is maintained at about 90 ° C. for a predetermined time so as to sterilize various bacteria (ie, anaerobic microorganisms and various bacteria) contained in the contents. Then, after a predetermined time has elapsed, by maintaining a certain temperature within the range of 40-45 ℃ and by allowing the air and the aerobic microorganisms to combine well fermentation, the polymer material contained in the contents for a short time (within about 20 hours) It can be transformed into organic acid material in order to ferment food waste and sewage sludge into food that can be eaten by earthworms.

On the other hand, since the supplementary water inlet 14 is formed on one side of the upper surface of the tank 1, when it is necessary to replenish water during fermentation of food waste and sewage sludge as described above, it can be replenished immediately through this.

In addition, as a power source for generating a rotational force for stirring and mixing the contents in the tank 1, a geared motor 3 having a rotational speed control and a gear box 31 is selected and installed so that the tank 1 Vertically installed in the center of the upper surface, and the shaft 4 is installed on the center line in the tank 1, the upper end of the shaft 4 is connected to the shaft of the gear box 31 through the clamp 44 The lower end portion is axially held in the foot bearing 45 provided at the center of the bottom surface of the tank 1 so that the shaft 4 rotates in response to the rotational speed when the geared motor 3 is rotated. .

At this time, the upper and middle portions of the shaft 4 and the lower portion of the impeller (41-43) having different shapes are respectively installed, but the wings of the impeller (41) located in the upper portion of the lower portion The wings of the two impellers 42, which are installed at a predetermined distance from the middle part, are installed to be vertically installed at the end of the arc-shaped support shaft so as to push the contents out of the tank. To have a configuration, the wings of the impeller 43 located in the lower portion is formed to raise the contents to the upper portion, it is possible to uniformly stir and mix the contents in the tank.

In addition, in order to ferment the food waste and sewage sludge in the tank 1 with aerobic thermophilic microorganisms, a large amount of oxygen must be supplied together with maintaining a predetermined temperature as described above.

Therefore, in the present invention, air is generated from the air compressor not shown by installing air spray nozzle rings 5a and 5b at the outer side and the bottom of the lower impeller 43 among the several impellers 41 to 43, respectively. Through the several nozzle holes drilled in the air injection nozzle ring (5a) (5b) was distributed to the bone ball in the contents.

On the other hand, since the water level detection sensor (7a) is installed on the upper side of the outer peripheral surface in the tank (1), it is possible to accurately control the driving of the liquid feed pump by accurately detecting the amount or level of the contents flowing into the tank from the control panel, not shown Of course, the contents of the desired amount or water level can be supplied into the tank (1), and the temperature sensor (7b) and the temperature meter (7c) is installed on the upper and lower sides of the outer peripheral surface of the tank (1), so that the user (1) The temperature inside the tank can be known accurately and easily, and the control panel can be properly controlled to adjust the temperature in the tank to the desired temperature.

In addition, the dissolved oxygen amount measuring device 7d and the PH measuring device 7e are respectively installed in the middle of the outer circumferential surface of the tank 1, so that the dissolved oxygen measuring device 7d and the pH measuring device are operated by the operator or the control panel of the device. See (7e) or input their output signals to accurately recognize dissolved oxygen levels and concentrations in the contents of the fermenting tanks.

In addition, since an exhaust fan 8 is installed at one side of the upper surface of the tank 1, the heat and moisture generated from the contents in the tank are heated by the hot water of the hot water supplied from the boiler and flowing through the hot water coil 2. It can be discharged automatically, so that the water content of about 80-85% and the contents put into the tank can have a low water content of 70% after the fermentation is completed.

In addition, the predetermined position on the upper surface of the tank (1) is provided with a water inlet (19) and a spray nozzle (10) and a spray nozzle (10) provided with a content inlet (19) and a spray nozzle, respectively. Therefore, it can be automatically supplied with food waste, sewage sludge, and aerobic thermophilic microorganisms, which are crushed into fine particles (about 5 mm) of a predetermined size by a pulverizer (not shown) and then stored in the liquid food grinder and pumped through the pump. A solution for sterilizing and sterilizing anaerobic microorganisms or various bacteria contained in the contents to be fermented, water for cleaning the inside of the tank, and a predetermined liquid other than the above sterilizing and sterilizing liquid and washing water may be selectively added into the tank. It can be.

In addition, since the contents discharge port 6 having the sampling discharge nozzle 61 is integrally installed at the center of the bottom of the tank 1, a portion of the contents before, during or after fermentation of food waste and sewage sludge is removed. After the contents are completely fermented, it is possible to transfer the fermented contents to a temporary storage tank (not shown) or a fueling machine which is sprayed while moving within a predetermined distance in the front and rear directions after the contents are completely fermented.

On the other hand, the food waste fermented through the aerobic thermophilic microorganism as described above and the earthworms fed sewage sludge to excrete fecal soil, such fecal soil is useful as a soil and soil improver or water treatment as well as compost.

As described above, according to the present invention, a large amount of food waste or sewage sludge having a water content of about 80-85% is fermented through an aerobic thermophilic microorganism, and the food content is 70% in a short time. It can be produced to prevent environmental pollution caused by food waste and sewage sludge, as well as to use resources usefully, and to use as food for earthworms, feces used as compost, topsoil, soil improver and water treatment agent. It is a very useful design that can produce.

Claims (3)

In the state where the upper and lower parts are blocked, the outer circumferential surface and the bottom part are installed in a state in which the insulating member 11 is wrapped, and the bottom part is provided with a jacket 12 having hot water inlet and outlet ports 121 and 122, and on one side of the upper surface. A manhole 13 is opened and closed by a lid body 13b provided with a viewing window 13a. A ladder 15 having a level gauge 15a is provided at the bottom of the manhole 13. One side is provided with a supplementary water inlet 14 for replenishing water if necessary, and the upper surface is crushed into particles of a predetermined size (about 5mm) and then stored in the liquid fractionation part and then fed through a pump Contents inlet (19) for selectively disinfecting and sterilizing liquid, including waste and sewage sludge, and washing water inlet (20) for selectively injecting water for washing the tank, are installed. Content at a predetermined angle Shaft may give a strong friction force converters shall be rotated as shown in (4) of the baffle plate the cylindrical tank (1) having a predetermined volume (16) having a configuration that is provided with; The upper end is fixed to the outer peripheral surface of the reinforcing ring 17 fixedly installed on the outer peripheral surface of the bottom of the tank 1 at a predetermined angle so that the tank 1 itself maintains a predetermined height from the ground. At the same time, several legs 18 for maintaining the tank in the vertical direction; At least two hot water coils each having a hot water inlet 21 and an outlet 22 at both ends and installed in a coil form in the tank 1 to heat the contents introduced into the tank through hot water supplied from a boiler ( 2) and; A geared motor (3) having a rotation speed control and a gear box (31) and installed perpendicular to the center of the upper surface of the tank (1) to generate rotational force to the contents through the shaft (4); The upper end is connected to the shaft of the gear box 31 through the clamp 44 and the lower end is installed in a state supported by the foot bearing 45 installed in the center of the bottom surface in the tank (1) of the geared motor (3) A shaft 4 which rotates in response to the rotational speed; The upper and middle portions of the shaft 4 and the lower and fixed portions are respectively installed at the upper portion of the tank (1) when rotated with the shaft is located in the lower portion, the contents located in the middle portion to the outside A plurality of impellers (41-43) for stirring the contents located in the lower portion of the tank to move upwardly to mix food waste or sewage sludge with aerobic thermophilic microorganisms well; Two air injection nozzle rings 5a which are respectively installed on the outer and bottom portions of the lower impeller 43 among the several impellers 41-43 to distribute and supply the air supplied from the compressor to the contents of the tank 1 evenly. 5b); A contents discharge port (6) having a sampling discharge nozzle (61) and installed at a bottom center of the tank (1) to which a pump for selectively transferring contents to a temporary storage tank or an oil tanker is coupled; A water level detection sensor 7a installed at an upper side of the outer circumferential surface of the tank 1 to detect a water level of the contents flowing into the tank; A temperature sensor 7b and a temperature meter 7c which are respectively installed on upper and lower sides of the outer circumferential surface of the tank 1 to electrically detect and display the temperature in the tank; Dissolved oxygen amount measuring device (7d) and PH measuring device (7e) which are respectively installed in the middle of the outer peripheral surface of the tank (1) to detect the dissolved oxygen amount and the concentration of the contents in the tank; Food waste and sewage sludge liquid fermentation treatment apparatus, characterized in that configured in the exhaust fan (8) installed on one side of the upper surface of the tank (1) to discharge the heat and moisture in the tank to the outside. The food waste and sewage sludge liquid fermentation treatment apparatus according to claim 1, further comprising an illumination device (9) on the upper surface of the tank (1) for selectively irradiating light into the tank. The food waste and sewage sludge liquid of claim 1, further comprising a spare nozzle 10 which is capable of selectively injecting liquid other than the sterilizing and sterilizing liquid and the washing water. Fermentation treatment device.