Livestock manure treatment apparatus

Abstract

The present invention relates to a livestock manure treatment apparatus which minimizes the generation of foam and purifies liquid manure treatment water by a method of finely pulverizing foam generated in a process of purifying the liquid manure treatment water and resupplying same to the liquid manure treatment water being purified. The livestock manure treatment apparatus comprises: a foam pulverizing means for finely pulverizing foam together with treatment water and re-supplying the pulverized foam and the treatment water to the aeration tank; a foam collecting means for collecting foam floating on the upper part of the foam pulverizing means; and a defoaming agent supply means for supplying a defoaming agent to defoam the foam present in the foam collecting means.

Description

livestock waste treatment facility

[0001] The present invention relates to a livestock manure treatment device that minimizes the generation of foam by separating solid and liquid phases from livestock manure and finely crushing foam generated during the process of purifying the separated liquid manure treatment water and resupplying the foam to the liquid manure treatment water being purified.

[0002]

[0003] Small-scale manure treatment from livestock farms includes septic tank method, Imhoff tank method, lagoon method, and conventional digestion method, while large-scale manure treatment consists of various complex facilities, such as feeding facilities, storage facilities, digestion treatment facilities, oxidation treatment facilities, disinfection facilities, and sludge treatment facilities.

[0004] Livestock manure has long been a primary source of compost for general livestock farms. However, with the emergence of full-time livestock farms and corporate livestock farming, the large volumes of livestock manure generated are posing significant challenges in their treatment and utilization. In particular, the installation of treatment facilities is significantly costly, placing significant pressure on livestock management.

[0005] As for conventional livestock manure treatment devices, there is a livestock manure treatment device of Republic of Korea Patent No. 10-2121470, and its configuration is as follows.

[0006] A technology is provided for treating livestock manure and the filtrate using the electrolytic sterilization water, comprising: a primary treatment unit for performing primary treatment by mixing chlorine gas and a dehydration aid with livestock manure; a filter unit connected to the primary treatment unit and filtering the primary treated livestock manure received from the primary treatment unit to separate it into sludge and a filtrate; a secondary treatment unit connected to the filter unit and mixing electrolytic sterilization water with the separated filtrate received from the filter unit to perform secondary treatment; and a chlorine gas supply unit for generating the chlorine gas by volatilizing the electrolytic sterilization water, wherein the primary treatment unit for performing the primary treatment generated before separation into the sludge and the filtrate, and the secondary treatment unit for performing the secondary treatment generated after separation into the sludge and the filtrate, respectively, use the electrolytic sterilization water to treat the livestock manure and the filtrate.

[0007] In addition, a manure storage tank in which livestock manure is stored; a solid-liquid separation device configured to receive manure from the manure storage tank and separate it into solid manure and liquid manure; a solid-liquid separation module configured to receive solid-liquid manure separated from the solid-liquid separation device and perform anaerobically treating the solid-liquid manure; a liquid manure treatment module configured to receive liquid manure separated from the solid-liquid separation device and to treat micro-materials and dissolved materials; a treatment tank for storing wastewater treated and discharged by the liquid manure treatment module; a control panel that controls the operation of the solid-liquid separation device and controls the operation of a manure movement control valve provided in a line connecting each of the components to control the amount of manure movement; a device housing in which a manure inlet is formed on one upper side, and a liquid manure outlet and a solid manure outlet through which separated liquid manure and solid manure are discharged are formed on one lower side and the other lower side, respectively; a rotating shaft installed through the device housing and having both ends rotatably coupled to the device housing; A mesh cylindrical member that is rotatably coupled with the rotation of the above-mentioned rotating shaft and into which manure input from the above-mentioned manure input port is introduced; a driving motor for rotating the above-mentioned rotating shaft; and an air injection unit for injecting high-pressure air to the above-mentioned mesh cylindrical member; one or more stirring blades formed on the above-mentioned rotating shaft;

[0008] A backflow prevention member provided on the upper inner side of the above mesh cylinder member to prevent the input sewage from flowing back in the opposite direction of input;

[0009] A one-way discharge member provided on the lower inner side of the above mesh cylindrical member and configured to direct the discharge of solid waste; and

[0010] A storage plate having a plurality of discharge holes formed therein to discharge solid waste while retaining it is provided in a mesh cylindrical member on the lower side of the one-way discharge member; wherein the mesh cylindrical member is formed of a mesh portion formed with a mesh of a predetermined length from the upper end, and a cylindrical portion having a mesh-free shape from the mesh portion to the lower end.

[0011] As described above, all conventional livestock manure treatment devices generate a lot of foam during the manure treatment process, and the technology for removing the foam and treating liquid manure is inadequate, so there is a problem that liquid manure treatment cannot be effectively performed.

[0012]

[0013] Prior art related to this includes KR 10-2121470 and KR 10-2092306.

[0014] The purpose of the present invention is to provide a livestock manure treatment device that effectively removes and purifies foam generated during the purification process of liquid manure treatment water among livestock manure, which has been raised as a problem of the conventional livestock manure treatment device, thereby increasing the purification efficiency of liquid manure treatment water.

[0015]

[0016] The problem-solving means of the present invention for achieving the above purpose is configured as a foam crushing means (100) that sucks the treated water in the aeration tank (400) that treats the liquid treated water among livestock manure and the quality product floating in the aeration tank, finely crushes the foam together with the treated water, and resupplies the crushed foam and the treated water to the aeration tank;

[0017] A foam recovery means (200) installed adjacent to the foam crushing means to recover foam floating on the upper part of the foam crushing means;

[0018] It is composed of a defoaming agent supply means (300) installed adjacent to the above-mentioned foam recovery means and supplying a defoaming agent to defoame foam present in the foam recovery means.

[0019] And the foam crushing means (100) is composed of a pump (110) having a suction pipe (P-1) for sucking the treated water and foam in the aeration tank and a discharge pipe (P-2) having a nozzle (120) for crushing and discharging the foam, a foam tank (130) that receives the discharge pipe and deflects the foam while the treated water and foam discharged through the discharge pipe swirl, and a discharge port (140) installed on one side of the upper portion of the deflecting tank for discharging the foam that overflows.

[0020] The above injection port (120) is either a pipe orifice (121) or an injection nozzle (122), and a rotor (123) for crushing bubbles is installed on one side of the inlet of the suction pipe (P-1) or the outlet of the discharge pipe (P-2), and the bubble tank (130) is installed on one side of the aeration tank so as to be detachably coupled from the bubble tank.

[0021] In addition, the foam recovery means (200) is a foam receiving tank (210) installed on one side of the upper portion of the foam tank, which is a component of the foam crushing means, and connected to a discharge port (140) for discharging overflowing foam, and the antifoam supply means (300) is installed on one side of the foam recovery means and supplies an antifoaming agent to the foam so as to defoame the foam received in the foam receiving tank. The antifoaming agent is any one of a water-soluble surfactant, a silicon resin, and salt, and the means for supplying the antifoaming agent is a sprayer (310) that evenly supplies the antifoaming agent to the surface of the foam.

[0022]

[0023] The livestock manure treatment device of the present invention, having the above-described configuration, has the effect of effectively removing bubbles generated during the purification process of liquid manure treatment water among livestock manure and purifying it, thereby increasing the purification efficiency of liquid manure treatment water, as described in the above-described purpose.

[0024]

[0025] Figure 1 is a schematic diagram showing the entire livestock manure treatment device of the present invention.

[0026] Figure 2 is a cross-sectional view of a livestock manure treatment device of the present invention in which a foam crushing means is installed in an aeration tank.

[0027] Figure 3 is an exploded perspective view of a bubble tank, which is a component of a foam crushing means in a livestock manure treatment device of the present invention.

[0028] Figures 4a and 4b are configuration diagrams showing an embodiment of a nozzle in a livestock manure treatment device of the present invention.

[0029] Figure 5 is a schematic diagram showing a configuration of a sprayer that supplies a defoaming agent to a foam receiving tank, which is a component of a defoaming agent supply means in a livestock manure treatment device of the present invention.

[0030]

[0031] The present invention relates to a livestock waste treatment device that minimizes foam generation and increases the efficiency of the treatment water purification process by separating the solid and liquid phases of livestock waste and finely crushing the foam generated during the purification process of the separated liquid waste treatment water (hereinafter referred to as “treated water”) (A) and resupplying it to the purified water.

[0032] The reason for foaming the treated water is that when the treated water is purified in the aeration tank (400), a large amount of foam is generated, and if there are too many foams, the reaction in the aeration tank is hindered, so not only is the purification of the treated water not efficient, but problems such as the foam overflowing the aeration tank occur, so it is more important than anything to purify the treated water by foaming.

[0033] Accordingly, the present invention aims to provide a livestock waste treatment device that purifies treated water by foaming as described above, and an embodiment thereof will be described below with reference to the attached drawings.

[0034] The livestock manure treatment device of the present invention, as shown in FIGS. 1 to 5,

[0035] It is composed of a foam crushing means (100) that sucks the treated water in the aeration tank (400) that treats the liquid treated water among livestock manure and the fine particles floating in the aeration tank, finely crushes the foam together with the treated water, and resupplies the crushed foam and the treated water to the aeration tank, a foam recovery means (200) that is installed at a position adjacent to the foam crushing means and recovers the foam floating on the upper part of the foam crushing means, and a defoaming agent supply means (300) that is installed at a position adjacent to the foam recovery means and supplies a defoaming agent to defoame the foam present in the foam recovery means.

[0036] In the above configuration, a plurality of aeration tanks (400) can be provided to increase the treatment water purification efficiency as shown in FIG. 1, and the foam crushing means (100) installed in the plurality of aeration tanks (400) can be installed and used only in an aeration tank selected from among the plurality of aeration tanks (400) or can be installed and used in all of the plurality of aeration tanks (400).

[0037] Each of the above-mentioned multiple aeration tanks (400) is, to briefly explain using a widely known public technology, a device that supplies oxygen through air to a mixture of sewage and activated sludge in wastewater treatment and stirs it to perform adsorption and oxidative decomposition of organic matter by aerobic bacteria, and is used for liquid waste purification.

[0038] The aeration tank (400) as described above generates a large amount of foam when treating water, which causes many difficulties in treating the water, and also has the problem of reducing the efficiency of purifying the water, so removing the foam is of the utmost importance.

[0039] Considering the importance mentioned above, the present invention is to install a foam crushing means (100) in the aeration tank (400) to finely crush foam in the aeration tank (400), resupply the crushed foam and treated water to the aeration tank, and aerate the foam to increase the treatment water purification efficiency.

[0040] The foam crushing means (100) having the above-described function is composed of a pump (110) having a suction pipe (P-1) for sucking in treated water and foam in an aeration tank (400), a discharge pipe (P-2) having a nozzle (120) for crushing and discharging the foam, as shown in FIGS. 2 and 3, a foam tank (130) that accommodates the discharge pipe and mixes the treated water and foam discharged through the discharge pipe to form foam, and a discharge port (140) installed on one side of the upper portion of the foam tank for discharging the foam that overflows.

[0041] The reason for installing the nozzle (120) in the above discharge pipe (P-2) is that, when the pump (110) operates, the treated water and foam in the aeration tank (400) are sucked by the suction pipe (P-1) and discharged to the defoaming tank (130) at high pressure through the discharge pipe (P-2) and the nozzle (120), and the foam is first crushed by the nozzle (120) and supplied to the defoaming tank (130) in a mixed state with the treated water.

[0042] As described above, the foam is first crushed and, inside the parcel tank (130) supplied with the treated water, the foam is stirred together with the treated water by the water pressure of the treated water sprayed at the high pressure, and the foam is secondarily crushed in the treated water in the parcel tank (130) and resupplied to the aeration tank (400) through the supply port (150).

[0043] Therefore, the aeration tank (400) has the advantage of minimizing the generation of bubbles, thereby increasing the purification efficiency of the treated water.

[0044] And the above-mentioned nozzle (120) is installed in the discharge pipe (P-2), and either the pipe orifice (121) of FIG. 4a or the injection nozzle (122) of FIG. 4b is installed. The reason for this is that the foam and the treated water discharged through the discharge pipe (P-2) are first defoamed in the process of being sprayed at high pressure to the nozzle (120), and then the foam and the treated water are mixed and stirred together in the defoaming tank (130) to cause the foam to be defoamed for the second time.

[0045] The first embodiment of the nozzle (120) that performs the above function is configured as a pipe orifice (121) as shown in Fig. 4a, and a pressure plate (121b) having a discharge hole (121a) with a narrow inlet side and a wide outlet side is installed at the outlet of the discharge pipe (P-2) so that the foam and the treated water are crushed by the pressure difference of the treated water and the foam is discharged as a parcel.

[0046] In addition, the second embodiment of the above-mentioned injection port (120) is configured such that, as shown in FIG. 4b, a treatment water supply path (121g) is formed in the nozzle body (121d) in which a pressure chamber (121e) and an injection hole (121f) are mutually connected, a pressure regulating pin (121h) is installed in the center, and a pin nozzle (121i) formed at the tip of the pressure regulating pin is fitted into the injection hole (121f), so that foam and treatment water are high-pressure sprayed and discharged into the bubble tank (130) through the injection hole (121h) according to the adjustment of the pressure regulating pin.

[0047] As described above, when foam and treated water are discharged to the parcel tank (130), the foam and treated water are mixed and stirred together by the discharged water pressure, causing the foam to be defoamed once again.

[0048] In addition, a rotor (123) for crushing foam may be installed and used on either the inlet of the suction pipe (P-1) or the outlet of the discharge pipe (P-2). The reason for this is to crush foam more effectively (in detail).

[0049] As described above, the bubble tank (130), which is a component of the foam crushing means (100), is preferably installed on one side of the aeration tank (400) so as to be detachably connected thereto, as shown in Fig. 3. This is to enable replacement with a new bubble tank (130) when the bubble tank (130) is damaged.

[0050] As described above, the configuration for allowing the parcel tank (130) to be separated and connected from the aeration tank (400) is as follows: a flange portion (131) overlapping the aeration tank (400) is formed on the outer edge of the parcel tank (130), a fastening hole (132) is formed in the flange portion (131), and the flange portion is fixed and installed with bolts and nuts. It is preferable that a sealing member be interposed between the flange portion (131) and the aeration tank (400) to maintain airtightness.

[0051] The above-described parcel tank (130) can be installed and used at a location selected from the outer side or the inner side of the aeration tank (400).

[0052] In addition, as shown in Fig. 1, a foam recovery means (200) is installed adjacent to the foam crushing means (100) to recover foam floating on the upper portion of the foam crushing means (100). The reason for this is to automatically discharge a large amount of foam that is not broken up by the foam crushing means (100) to the foam recovery means (200) when there is a large amount of foam on the upper portion of the foam crushing means (100).

[0053] The configuration of discharging the foam of the foam crushing means (100) to the foam recovery means (200) is such that a discharge port (140) connected to the foam recovery means (200) is installed on one side of the upper portion of the parcel tank (130), and the foam is discharged through the discharge port (140).

[0054] The discharge port (140) that performs the above function is installed on one side of the upper portion of the parcel tank (130), and when the foam existing in the upper portion of the parcel tank (130) is higher than the height of the discharge port (140), the foam overflows and is automatically discharged to the foam recovery means (200) through the discharge port (140).

[0055] Meanwhile, the above foam recovery means (200) is a foam receiving tank (210), and the foam received by the foam receiving tank (210) is supplied with a foaming agent through a foaming agent supply means (300) as shown in Fig. 5 to defoame the foam, and the treated water generated as the foam is defoamed can be used as a filter, etc.

[0056] The above-described antifoam supply means (300) is installed on one side of the foam recovery means (200) and supplies the antifoam to the foam so as to defoame the foam received in the foam receiving tank (210). The antifoam is any one of a water-soluble surfactant, a silicon resin, and salt, and the means for supplying the antifoam is a sprayer (310) that evenly supplies the antifoam to the surface of the foam received in the foam receiving tank (210).

[0057] The above-described injector (310) may be any one capable of evenly supplying a foaming agent, such as a water-soluble surfactant, a silicon resin, or salt, to the foam received in the foam receiving tank (210).

[0058] The above-mentioned foaming agents, such as water-soluble surfactants, silicone resins, and salts, are already known as foam-removing agents, so a detailed description thereof will be omitted.

[0059] The livestock waste treatment device of the present invention, as described above, has the advantage of effectively removing foam generated during the treatment water treatment process among livestock waste, thereby increasing the treatment water purification efficiency, as described in the above effect.

[0060]

[0061] [Explanation of symbols]

[0062] 100: Foam crushing means 110: Pump

[0063] 120: nozzle 121: pipe orifice

[0064] 122: Injection nozzle 123: Rotating body

[0065] 130: Parcel tank 140: Outlet

[0066] 200: Foam recovery means 210: Foam receiving tank

[0067] 300: Defoaming agent supply means 310: Sprayer

[0068] 400: Aeration tank P-1: Suction pipe

[0069] P-2: Discharge pipe

Claims

1. A foam crushing means (100) that sucks in the treated water in the aeration tank (400) that processes the liquid treated water among livestock manure and the fine particles floating in the aeration tank, crushes the foam together with the treated water, and resupplies the crushed foam and treated water to the aeration tank; A foam recovery means (200) installed adjacent to the foam crushing means to recover foam floating on the upper part of the foam crushing means; A livestock manure treatment device characterized by comprising: a defoaming agent supply means (300) installed adjacent to the foam recovery means and supplying a defoaming agent to defoame foam present in the foam recovery means; 2. In paragraph 1, The above foam crushing means (100) is a livestock waste treatment device characterized by comprising a pump (110) having a suction pipe (P-1) for sucking in treated water and foam in an aeration tank, a discharge pipe (P-2) having a nozzle (120) for crushing and discharging the foam, a bubble tank (130) that accommodates the discharge pipe and causes the treated water and foam discharged through the discharge pipe to vortex and form bubbles, and a discharge port (140) installed on one side of the upper portion of the bubble tank for discharging the overflowing foam.

3. In paragraph 2, A livestock waste treatment device, characterized in that the above nozzle (120) is either a pipe orifice (121) or a nozzle (122).

4. In paragraph 2, The above-mentioned parcel tank (130) is a livestock waste treatment device characterized in that a flange portion (131) is formed on the outer edge of the parcel tank to overlap the aeration tank so as to be installed on either the outer side or the inner side of the aeration tank.

5. In paragraph 2, A livestock waste treatment device characterized in that a rotor (123) for crushing foam is installed on either the inlet of the suction pipe (P-1) or the outlet of the discharge pipe (P-2).

6. In paragraph 1, A livestock waste treatment device characterized in that the above foam recovery means (200) is a foam receiving tank (210) installed on the upper side of a bubble tank, which is a component of a foam crushing means, and connected to a discharge port (140) for discharging overflowing foam.

7. In paragraph 1, The above-mentioned antifoam supply means (300) is installed on one side of the foam recovery means and supplies an antifoaming agent to the foam so as to defoame the foam received in the foam receiving tank. The antifoaming agent is any one of a water-soluble surfactant, a silicon resin, and salt, and the means for supplying the antifoaming agent is a sprayer (310) that evenly supplies the antifoaming agent to the surface of the foam. A livestock manure treatment device.

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