KR100317668B1 - A sewage disposal system for cattel barns - Google Patents

Abstract

The present invention relates to a livestock wastewater treatment apparatus configured to contribute to the prevention of water pollution to environmental pollution caused by the livestock waste by easily evaporating wastewater such as livestock waste discharged from a livestock farm.

The present invention provides a pre-treatment unit (2) for collecting and preheating the sewage of the sewage (1) and the sewage of the sewage from the collecting agitator (1) and the sewage from the livestock house is agitated under the addition of neutralizer and deodorant; The effluent from the preheating unit 2 is sprayed onto the evaporation heat exchanger 5 through the nozzle 4 to be evaporated, and the vaporized steam is blown out by the blower fan 6 to the outlet 7. The evaporation heat exchanger (5) is configured to operate by heat circulation of the heat medium with the heat of combustion in the combustion chamber (19), and the sewage in the preheater (2) is preheated. Provided is a livestock wastewater treatment apparatus, characterized in that configured to be preheated by heat from a plurality of exhaust pipes 20 penetrating up and down 2).

Description

Livestock Sewage Treatment System {A SEWAGE DISPOSAL SYSTEM FOR CATTEL BARNS}

The present invention is mainly installed in the vicinity of the livestock house by hygienically evaporating sewage, such as sewage from the sewage treatment tank or waste water generated by the cleaning of livestock discharge from the livestock house, cleaning of the livestock house, etc. The present invention relates to a livestock sewage treatment apparatus configured to effectively and economically reduce water quality and environmental pollution caused by various wastewater discharged from livestock houses.

At present, there are many small and large livestock farms for raising livestock such as cattle, pigs, horses, and dogs, and large quantities of wastewater, including livestock manure, are generated every day. It is a situation that causes serious water pollution and environmental pollution because it is released by rivers, inside, appeal of the city.

These livestock must be equipped with facilities that can purify livestock manure and various wastewater from the livestock to the extent that it does not cause water pollution.However, the operation of installing such purification treatment facilities provides much more income from raising livestock. Due to the high cost, it is often used only in some large livestock farms or only for formal installation. However, since there is a big limitation on the purification capacity and life of the facility, water pollution and environmental pollution due to the waste water of the livestock farms. In many cases, prevention is difficult to achieve practically and economically.

Accordingly, the present invention has been made to solve the conventional problems as described above, by effectively and economically evaporating various effluents, such as livestock and effluent from the livestock barn to reduce the water quality and environmental pollution caused by the barn emissions. It is an object of the present invention to provide a livestock sewage treatment apparatus that can greatly help prevention.

The present invention is to provide a livestock sewage treatment apparatus that provides more excellent sewage treatment efficiency and installation use advantages by further improving the utility model application No. 98-13041, which was previously filed in connection with the sewage treatment of such a livestock house. .

1 is a general configuration diagram of a livestock wastewater treatment apparatus according to an embodiment of the present invention,

Figure 2 is a schematic view of the overall configuration of the livestock wastewater treatment apparatus according to another embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

1: collection agitation part 2: preheating part 3: evaporation part

4, 4a, 4b, 4c: nozzles 5, 5a, 5b, 5c: evaporative heat exchanger

6, 6a, 6b, 6c: blower fan 7, 7a, 7b, 7c: outlet

8a: brush 8b: vacuum suction means 9: motor

10: stirring blade 11, 14, 16: pump 12, 15, 17, 26: sewage supply pipe

13 filtration means 18 burner 19 combustion chamber

20: exhaust pipe 21: circulation line 22, 22 ': water supply pipe

23, 23 ': valve 24, 24': water tank 25: electric boiler

27: recovery line

In one embodiment of the present invention for achieving the above object, the temperature of the sewage from the livestock agitator and the sewage from the water agitating part to be easily evaporated The preheating unit to preheat the furnace and the effluent from the preheating unit are sprayed through the nozzle to the lower evaporative heat exchanger to evaporate, and the vaporized vapor is blown out to one side by a blower fan, and the evaporation residue on the evaporation heat exchanger. And an evaporation treatment unit installed to sweep down with a brush driven by a motor and sucked by vacuum suction means, and heating the sewage in the preheating unit to an appropriate temperature using exhaust gas heat from a heating source for the evaporation heat exchanger. Provided to livestock sewage treatment apparatus characterized in that the installation is configured to allow.

In this embodiment, the heating means for the evaporative heat exchanger burns fuel such as light oil or heavy oil with a burner, and exhausts the combustion gas to the outside through an exhaust pipe disposed through the preheater. And a combustion chamber installed below the preheater to preheat the sewage in the preheater. The heat of combustion in the combustion chamber is used to heat cycle the working fluid of the evaporative heat exchanger to evaporate the sewage sprayed onto the evaporative heat exchanger.

In another preferred embodiment of the present invention, the evaporation heat treatment unit is arranged up and down in the treatment tank in the evaporation heat exchanger for circulating the heat medium, so that the evaporation treatment of sewage at each site of the multi-stage evaporation heat exchanger, There is provided a livestock wastewater treatment system configured to operate the exchanger with electrical force.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

Figure 1 shows the overall configuration of the livestock wastewater treatment apparatus according to an embodiment of the present invention.

The livestock sewage treatment apparatus according to the embodiment includes a sewage collecting part 1 of sewage, in which sewage is collected from the livestock house, and the collected sewage is agitated under a proper neutralizer and deodorant input, and the collecting and stirring part 1 The preheating unit 2 receives pre-treatment of wastewater from the preheater at a proper temperature, and sprays the wastewater from the preheater 2 onto the lower evaporative heat exchanger 5 through the nozzle 4 to a saturated steam state. The evaporated vapor is blown out to the outlet 7 by the operation of the blower fan 6, and the evaporation residue on the evaporation heat exchanger 5 is swept away with a brush 8a and then vacuum-intake means 8b. And a heating means installed to suck the wastewater in the preheating unit 2 to an appropriate temperature while operating the evaporation heat exchanger 5 by the combustion heat thereof. It is.

A stirring blade 10 driven by a motor 9 is installed at the inner center of the water collecting stirring part 1, and at one side thereof, the sewage from the barn is pumped and supplied to the pump 11 to collect the water mixing stirring part 1. The first sewage supply pipe 12 for collecting water is connected. At the outer end of the first sewage supply pipe 12, for example, filtration means 13 are provided to filter and collect only the urea to the collection stirring part 1 in livestock manure.

The second sewage supply pipe 15 for pumping the agitated sewage in the water collecting agitation part 1 with a pump 14 between the water collecting agitation part 1 and the preheating part 2 to be supplied into the preheating part 2. This connection is installed. In addition, between the preheating unit 2 and the evaporation treatment unit 3, the pre-heated sewage in the preheating unit 2 is pumped by a pump 16 to supply and spray the nozzle 4 in the evaporation treatment unit 3. 3 The sewage supply pipe 17 is connected.

One side adjacent to the preheater 2 is provided with a combustion chamber 19 which burns fuel such as light oil or heavy oil with a burner 18 to perform combustion, and the high temperature combustion exhaust gas generated from the combustion chamber 19 is provided. The heat is discharged through a plurality of exhaust pipes 20 installed to penetrate the inside of the preheater 2 up and down, and is installed to heat the sewage in the preheater 2 with the heat. In addition, the combustion chamber 19 is provided with a circulation line 21 for heating and circulating a working fluid such as, for example, heat medium oil, by heat of combustion in the combustion chamber 19, and the circulation line 21 is a heat medium therein. It is circulated through the evaporation heat exchanger (5) is connected to the evaporation heat exchanger (5) to achieve the heating of the evaporation heat exchanger (5) and thereby evaporation of sewage.

On the other hand, one side of the nozzle (4) is connected to the water supply pipe 22 that can supply water injection through the nozzle (4) according to the selection. Here, 23 represents a valve, 24 represents a water tank, respectively.

In operation, sewage such as livestock effluent discharged from the barn is pumped and collected into the collection stirrer 1 through the first sewage supply pipe 12 by the operation of the pump 11, and thus the collection stirrer 1 The sewage collected in the c) is neutralized while being stirred by the stirring blade 10 under a proper neutralizer and deodorant, and at the same time, odor is removed.

Subsequently, the sewage water collected and stirred in the water collecting stirring unit 1 as described above is supplied into the preheating unit 2 through the second sewage supply pipe 15 by the operation of the pump 14, and thus the preheating unit The sewage supplied into (2) is preheated by the heat of discharge from the exhaust pipes 20 through which the hot combustion exhaust gas generated from the combustion chamber 19 passes.

Subsequently, the wastewater preheated in the preheating unit 2 as described above is supplied to the nozzle 4 in the evaporation unit 3 through the third wastewater supply pipe 17 by the operation of the pump 16 again. The sewage injected from the nozzle 4 is evaporated by the heat of the evaporation heat exchanger 5 while contacting the evaporation heat exchanger 5 which heat-circulates the working fluid with the combustion heat in the combustion chamber 19. The vapor generated by evaporation is called toward the outlet 7 by the operation of the blower fan 6 and discharged to the outside. At this time, the waste water is evaporated on the evaporation heat exchanger (5) and the remaining evaporation residues are washed down to the lower portion of the evaporation treatment unit 3 by the brush (8a) and then sucked to a limited place through the vacuum suction means (8b). If necessary during the use of the device, water can be sprayed through the water supply line 22 to the nozzle 4 to remove the evaporation residues on the evaporation heat exchanger 5 more cleanly.

In the wastewater treatment apparatus of the above embodiment, the evaporation treatment unit 3 is configured to directly inject the wastewater from the nozzle 4 into the evaporation heat exchanger 5, and the exhaust pipe vertically penetrates the preheater 2 vertically. Since it is configured to preheat the sewage in the preheating unit 2 with the heat from the (20), it is possible to provide a further improved sewage treatment efficiency while simplifying the configuration of the apparatus compared to the sewage treatment apparatus of the previous application. There is an advantage.

Further, Figure 2 shows the overall configuration of the livestock sewage treatment apparatus according to another possible embodiment of the present invention, the apparatus comprises an evaporation treatment tank (3 ') configured somewhat differently than in the previous embodiment have.

In more detail, in the apparatus according to the embodiment of FIG. 2, the evaporation tank 3 ′ has a plurality of evaporative heat exchangers 5a, 5b, and 5c communicating with each other at a predetermined interval up and down. It is arrange | positioned and installed in multiple stages, and it is comprised so that a heat medium may be circulated by operation of the electric boiler 25 through the inside of the said evaporation heat exchangers 5a, 5b, 5c.

The upper part of each evaporation heat exchanger 5a, 5b, 5c in the evaporation tank 3 'receives effluent from the sewage supply pipe 26 to spray evaporate onto each evaporation heat exchanger 5a, 5b, 5c. Nozzles 4a, 4b and 4c and blowing fans 6a, 6b and 6c which blow out the evaporation gas from the sewage to the discharge ports 7a, 7b and 7c are provided respectively.

Moreover, the brush 8a for sweeping off the evaporation residue on each evaporation heat exchanger 5a, 5b, and 5c, and the vacuum suction means 8b which sucks-off the evaporation residue to a limited place are provided suitably. do. In addition, a water supply pipe 22 ', a valve 23', a water tank 24 ', and the like, capable of selectively supplying water to the nozzles 4a, 4b, and 4c instead of sewage during operation, are shown. Installation is provided as an example. The evaporation heat exchangers (5a) (5b) (5c) is preferably inclined to one side as shown in the example shown in order to be more efficient to process the evaporation of sewage and the removal of evaporation residues.

The apparatus shown in FIG. 2 is provided on the evaporative heat exchangers 5a, 5b and 5c below the nozzles 4a, 4b and 4c through the sewage supply pipe 26 with the agitated sewage in the water collecting stirring section 1. Sprayed on the evaporated heat is evaporated by the heat of the evaporative heat exchangers (5a) (5b) (5c) in which the heat medium circulates by the electric boiler (25) and emits high-temperature heat. It is called and discharged | emitted by discharge ports 7a, 7b, and 7c by 6a, 6b, 6c. In this way, after the effluent is jetted once through the nozzles 4a, 4b, and 4c, the effluent is stopped and the water is sprayed through the water supply pipe 22 'to spray the water through the nozzles 4a, 4b, and 4c. By cleaning the surface of the evaporation heat exchanger (5a) (5b) (5c) that the evaporation residues are attached to prevent the evaporation efficiency decreases, the alternative wastewater through the nozzle (4a) (4b) (4c) during operation Repeat the spraying and water spraying at appropriate time intervals. The water flowing down to the lower side of the evaporative heat exchanger (5a) (5b) (5c) during water spray is recovered through a recovery line (27) to a suitable place, for example, the collection agitation part (1), and the sewage in the collection agitation part (1). Is used to dilute to a thinner concentration. In addition, if necessary, the brush 8a is operated to clean off the evaporation residues that may be stuck on the evaporation heat exchangers 5a, 5b and 5c, and the evaporated residues are vacuum suction means 8b. )) To evacuate to the designated place.

Therefore, the apparatus of the present invention can easily evaporate the wastewater discharged from the livestock house by the above-described configuration and operation very hygienically and economically, which greatly contributes to preventing water pollution or environmental pollution caused by the wastewater from the livestock house. It is to provide new useful effects.

Claims (2)

Sewage agitating part 1 of the sewage which is collected from the livestock house and agitated under neutralizer and deodorant input, and a preheating unit 2 for receiving and preheating the sewage from the water agitating part 1, and the preheating. An evaporation treatment unit configured to spray the sewage from the unit 2 onto the evaporation heat exchanger 5 through the nozzle 4 and to blow out the evaporated vapor to the outlet 7 by the blowing fan 6 ( 3), and the evaporative heat exchanger 5 is configured to operate by heating and circulating the heat medium with the heat of combustion in the combustion chamber 19, and the sewage in the preheating unit 2 Livestock wastewater treatment apparatus, characterized in that configured to be preheated by the heat from the plurality of exhaust pipes 20 penetrating up and down. According to claim 1, wherein the evaporation treatment unit is arranged in a plurality of evaporation heat exchangers (5a) (5b) (5c) in communication with each other therebetween at a predetermined interval up and down, each of the evaporation heat exchangers (5a) (5b) (5c) Sewage spray nozzles 4a, 4b, 4c and blowing fans 6a, 6b, 6c are respectively provided on the upper portion, and electricity is supplied through the evaporation heat exchangers 5a, 5b, and 5c. Livestock wastewater treatment apparatus, characterized in that the evaporation treatment unit (3 ') configured to heat-circulate the medium by the operation of the boiler (25).