KR20220065114A - Air-cleaning and deodorizing apparatus using wet type scrubber and dissolved airfloatation tank - Google Patents

Abstract

The disclosed content relates to a deodorization and purification device using a wet scrubber and a pressurized flotation tank to significantly reduce wastewater treatment costs. According to the present invention, the deodorization and purification device comprises: a circulation fan discharging the air inside a building of an odor generation facility to the outside; a wet scrubber; a washing water circulation supply tank supplying washing water sprayed from a washing water spray nozzle back to the washing water spray nozzle; a pressurized floatation tank; and an internal air circulation supply pipe.

Description

DEODORIZING AND DEODORIZING APPARATUS USING WET TYPE SCRUBBER AND DISSOLVED AIRFLOATATION TANK

The disclosed content relates to an internal air circulation supply type odor reduction device that exhausts and purifies the internal air of buildings of livestock facilities, communal resource recycling facilities, and other odor generating facilities to the outside, and at the same time removes odors and provides them back into the building.

Unless otherwise indicated herein, the contents described in this identification are not prior art to the claims of this application, and the description in this identification is not admitted to be prior art.

For example, livestock facilities such as pig houses, barns, and poultry houses, and common resource facilities such as livestock excreta treatment plant and compost treatment plant, and other odors such as farms, wastewater treatment plants, garbage landfills, food treatment plants, waste treatment plants, etc. There is a lot of bad smell in the building building of the generating facility.

If the air inside the building of the odor generating facility is discharged as it is to the outside, serious environmental pollution and civil complaints may be caused due to the bad smell. It is discharged to the outside through a deodorizing device.

As an example of a deodorization purifier that purifies the internal air of buildings of livestock facilities, communal resource recycling facilities, and other odor generating facilities and removes odors at the same time, Korean Patent Laid-Open No. 10-2012-0013733 (published on February 15, 2012) housing with casters; a silo provided inside the housing and connected to a malodorous gas outlet of a manure treatment plant or excreta storage through an inlet to separate particles of the malodorous gas; a neutralization tank provided on one side of the silo to neutralize the odor gas flowing from the silo through a neutralizing agent; a turbo fan provided between the silo and the neutralization tank so that the odor gas flows into the neutralization tank via the silo; a scrubber provided between the neutralization tank and the turbofan to bypass the neutralizing agent from the neutralization tank to pre-neutralize the odor gas flowing into the neutralization tank and at the same time to allow the odor gas and the neutralizer to flow into the neutralization tank at a high speed; a neutralizing agent supply tank provided at one side of the neutralization tank to supply a neutralizing agent; UV irradiation means provided on the upper side of the neutralization tank to irradiate the inside of the neutralization tank with UV light to decompose the odor gas; a plurality of filtration means provided at one side of the neutralization tank to absorb odor substances of odor gas not neutralized by the neutralizing agent and to discharge only the neutralized gas to the outside; sensor means provided in the silo, the neutralization tank, and the filtering means to detect the concentration of the odor gas of each component or to the neutralization tank to detect the acidity of the neutralizing agent; and a control means for controlling the operation of the constituent parts based on the odor gas concentration and acidity detected by the sensor means. a first step of separating the malodorous gas and particles by operating the turbofan under the control of the control means while connected to the gas outlet to introduce the malodorous gas into the silo; a second step in which only the odor gas from which the particles are separated by the turbofan is introduced into a neutralization tank via a scrubber to be neutralized; a third step of decomposing unpurified malodorous gas floating in the upper portion of the neutralization tank by means of ultraviolet irradiation means provided on the upper portion of the neutralization tank; A method for removing odorous gas from livestock excreta comprising a fourth step of discharging only the neutralized odorous gas to the outside after the odorous substances of the odorous gas that have not been neutralized from the inside of the neutralization tank are adsorbed by the filtering means do.

In addition, Republic of Korea Patent Registration No. 10-1681014 (announced on December 13, 2016) is installed on one wall of the barn to purify the odorous air containing ammonia discharged from the barn, and forms a flow path for the foul air discharged from the barn. and a first humidifier for supplying moisture to the malodorous air on the stinking air flow passage, and to physically remove pollutants including dust and dust in the malodorous air humidified by the first humidifier by washing with water. A first filter for removing the first filter; a second filter for neutralizing ammonia in the malodorous air that has passed through the first filter with water containing sulfuric acid to remove them; and a microbial reaction for pollutants in the malodorous air passing through the second filter Disclosed is a malodorous gas treatment apparatus including a third filter to be removed by

In addition, Republic of Korea Patent Registration No. 10-1978427 (published on August 28, 2019) has a rectangular or other polyhedral anti-vibration net installed with one side close to or attached to the rear wall opposite the front door or the exhaust side wall of a livestock house where a plurality of fans are installed. Including a chamber, the dust or odors contained in the exhaust gas are primarily removed by one side of the dust chamber, which is installed close to or attached to the rear wall, which is the opposite side of the side wall of the livestock facility where the plurality of fans are installed or the front door, Among the exhaust gases passing through one side of the vibration screen, the exhaust gas that hits the vibration screen with a submerged smooth surface and goes to the floor hits the floor of the vibration screen chamber and leaves the dust transported on the floor and rises vertically to the floor of the vibration screen chamber. Discharged to the outlet of the ceiling, the lower end of each of the vibration isolator having a submerged smooth surface and the vibration isolator having an ascending smooth surface is in contact with the floor, and the vibration isolator having the sinking smooth surface and the vibration isolator having the ascending smooth surface are each in contact with the floor A part of the lower end of the dustproof screen is a dust control system of exhaust gas from livestock facilities, characterized in that it is a dust screen attached to enable opening and closing in order to control the flow of exhaust gas in the chamber.

In addition, in Korean Patent Publication No. 10-2015-0104062 (published on September 14, 2015), a door is formed on the front with a box-shaped member, and the upper one side is opened in a circular shape to form a suction part protruding to a predetermined height, and the inside has a plurality of The upper and lower diaphragms are arranged at a predetermined interval, and an upper diaphragm among the plurality of upper and lower diaphragms is formed with a predetermined length downward from the ceiling of the air purifier body and an air passage is formed on the lower side, and the lower diaphragm is the air purifier body It is formed with a predetermined length upward from the floor, and an air passage is formed on the upper side so that the upper and lower diaphragms are alternately and continuously arranged. Air purifier body; a fan installed in the middle of the suction unit to introduce external air; a first stainless microfiber part installed below the suction part, but installed in a space between an outer wall of one side of the air purifier body and an upper diaphragm; a second stainless microfiber part, an activated carbon part, and an aluminum particle filtering part installed adjacent to the first stainless microfiber part, and sequentially installed in the space between the plurality of upper and lower diaphragms; a heater for combustion installed on the second stainless microfiber upper and lower portions; Reflectors and UV sterilization lamps installed in the air passage formed on the upper and lower sides of the aluminum particle filtering unit; Disclosed is an odor removal device for an air purifier, which is installed in the right air passage adjacent to the aluminum particle filter and includes a deodorizing ball part installed in a space between the lower diaphragm and the outer wall of the air purifier body.

As described above, in the case of the deodorization and purification apparatus of a building building of a odor generating facility as described above, it not only requires a separate air supply facility as it deodorizes and purifies the internal air of the building containing odors and then releases it to the atmosphere, but also odors and harmful gases are reduced by 100 % is not released into the atmosphere in the state of being removed, so there was still a problem that there is concern about environmental pollution and civil complaints.

1. Korean Patent Publication No. 10-2012-0013733 (published on February 15, 2012) 2. Republic of Korea Patent Registration No. 10-1681014 (2016.12.13. Announcement) 3. Republic of Korea Patent Registration No. 10-1978427 (2019.08.28. Announcement) 4. Korean Patent Publication No. 10-2015-0104062 (published on September 14, 2015)

As the internal air of the building containing odors or harmful gases is circulated back to the building without being discharged to the atmosphere through deodorization and purification treatment, environmental pollution and civil complaints caused by the discharge of internal air to the atmosphere can be prevented in advance. It is intended to provide a deodorizing and purifying device using a wet scrubber and a pressurized flotation tank that doubles the replacement cycle of water and allows the wastewater treatment cost to be significantly reduced.

In addition, it is not limited to the technical problems as described above, and it is obvious that another technical problem may be derived from the following description.

Disclosed is a circulation fan connected to the exhaust pipe of the building of the odor generating facility to discharge the internal air of the building of the odor generating facility to the outside; An inlet pipe connected to the circulation fan is provided on the side, and a pair of poling parts are provided to face each other, and washing water spray nozzles for simultaneously spraying washing water to the poles on both sides are arranged between the pair of poles to face each other. a wet scrubber in which a flow path forming support plate is installed in the palling unit to guide air inside the building building of the odor generating facility through the palling unit through the pair of palling units; a washing water circulation supply tank installed on a side surface of the wet scrubber and supplying the washing water sprayed from the washing water jet nozzle and dropped back to the washing water jet nozzle; A pressurized flotation connected to the washing water circulation supply tank and providing the washing water back to the washing water circulation supply tank after pressurizing and circulating the washing water flowing from the washing water circulation supply tank and at the same time adding air to pressurize and levitate the sludge. article; and internal air connecting the other side of the wet scrubber and the building building of the odor generating facility, and circulating and supplying the internal air of the building building of the odor generating facility that has undergone wet cleaning while flowing through the wet scrubber into the building building of the odor generating facility. A deodorizing and purifying device using a wet scrubber including a circulation supply pipe and a pressurized flotation tank is presented as an embodiment.

According to a preferred feature of the disclosure, a reaction tank and a coagulation tank are sequentially interposed between the washing water circulation supply tank and the pressurized flotation tank.

According to a preferred feature of the disclosure, the pressure flotation tank includes a washing water circulation pipe connecting the lower side and the inlet side of the pressurizing flotation tank, a pressure pump installed on the washing water circulation pipe, and installed on the washing water circulation pipe and a venturi-type ejector for mixing external air into the washing water circulation pipe, and a washing water supply pipe connecting the pressurized flotation tank and the washing water circulation supply tank.

According to a preferred feature of the disclosure, the pressurization flotation tank further includes a vibration tank connected downstream of the venturi ejector and guiding air to dissolve in the washing water, and a bypass pipe connecting the pressurization pump and the vibration tank. .

According to the deodorization and purification apparatus using a wet scrubber and a pressurized flotation tank according to an embodiment of the disclosed contents, the internal air of the building building containing odors or harmful gases is not released to the atmosphere through deodorization purification treatment, but is circulated back to the building building. Accordingly, environmental pollution and civil complaints caused by the exhaust of internal air can be prevented in advance, and there is an advantage in that there is no need for air supply facilities or scattering prevention facilities on the exhaust side.

In addition, according to the deodorization and purification apparatus using a wet scrubber and a pressurized flotation tank according to an embodiment of the present disclosure, the washing water provided to the wet scrubber is provided in a state in which foreign substances are levitated by the pressurized flotation tank, so cleaning provided as a wet scrubber There is an advantage that the replacement cycle of water is doubled and the cost of wastewater treatment can be significantly reduced.

In addition, according to the deodorization and purification apparatus using a wet scrubber and a pressurized floatation tank according to an embodiment of the disclosure, the washing water in which air (including oxygen) is dissolved from the pressurized floatation tank during deodorization and purification by the wet scrubber is a washing water circulation supply tank There is also an advantage in that odors or harmful gases are oxidized and the odors can be efficiently removed as they are supplied through and sprayed.

Effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

1 is an installation structure diagram of a deodorizing device using a wet scrubber and a pressurized flotation tank according to an embodiment of the disclosed subject matter.
2 is a schematic structural diagram of a deodorizing and purifying apparatus using a wet scrubber and a pressurized flotation tank according to an embodiment of the disclosed subject matter.

Hereinafter, the configuration, operation, and effect of the preferred embodiment will be described with reference to the accompanying drawings. For reference, in the following drawings, each component is omitted or schematically illustrated for convenience and clarity, and the size of each component does not reflect the actual size. In addition, the same reference numerals refer to the same components throughout the specification, and reference numerals for the same components in individual drawings will be omitted.

1 is an installation structure diagram of a deodorization and purification apparatus using a wet scrubber and a pressurized flotation tank according to an embodiment of the disclosure, and FIG. 2 is a deodorization and purification apparatus using a wet scrubber and a pressurized floatation tank according to an embodiment of the disclosed content It is a detailed structure diagram.

In addition, as shown in FIGS. 1 to 2, the deodorization and purifying apparatus using a wet scrubber and a pressurized floatation tank according to an embodiment of the disclosure is connected to the exhaust pipe path 5 of the building building 3 of the odor generating facility. A circulation fan 10 for discharging the internal air of the building building 3 of the odor generating facility to the outside, and an inlet pipe 21 connected to the circulation fan 10 are provided on one side, and a polling unit 23 is provided inside. Washing water jet nozzles 25 are arranged to face each other in pairs, and between the paired pawling parts 23, for simultaneously spraying washing water to the palling parts 23 on both sides, are arranged in the falling part 23 in pairs. A wet scrubber 20 and a wet scrubber in which a flow path forming support plate 27 is installed to guide the internal air of the building building 3 of the odor generating facility to pass through the falling part 23 between the falling parts 23 forming the A washing water circulation supply tank 30 installed on one side of (20) and supplying the falling washing water sprayed from the washing water injection nozzle 25 back to the washing water injection nozzle 25, and a washing water circulation supply tank ( 30) and pressurized circulating the washing water flowing in from the washing water circulation supply tank 30 and at the same time mixing air to pressurize the sludge to float it and remove it, and then provide the washing water back to the washing water circulation supply tank 30 The pressurized flotation tank 40 and the other side of the wet scrubber 20 are connected to the building 3 of the odor generating facility, and the inside air of the odor generating facility that has undergone wet cleaning while flowing through the wet scrubber 20 is removed. It again includes an internal air circulation supply pipe 50 that circulates and supplies into the building wing of the odor generating facility.

Here, the circulation fan 10 serves to provide the wet scrubber 20 by discharging the internal air of the building building 3 of, for example, livestock housing facilities, communal resource recycling facilities, and other odor generating facilities to the outside, and the wet scrubber It is connected to the exhaust pipe passage (5) of the building building (3) of the odor generating facility connected to (20).

The circulation fan 10 preferably has an airtight configuration so that the internal air of the building building 3 does not leak to the outside.

The wet scrubber 20 is connected to the aforementioned circulation fan 10 . The wet scrubber 20 serves to purify the air by spraying cleaning water to the internal air of the building 3 introduced into the interior and to provide an odor at the same time, and on one side of the building 3 An inlet pipe 21 connected to the circulation fan 10 is provided so that the internal air is introduced into the inside.

As shown in FIG. 2, inside the wet scrubber 20, a pair of pawling parts 23 are provided to face each other, and washing water is applied between the paired pawling parts 23 on both sides. The washing water spray nozzles 25 that simultaneously spray the A flow path forming support plate 27 to guide it through is installed.

Due to the structure of the wet scrubber 20, the internal air of the building building 3 introduced into the wet scrubber 20 is blocked by the flow path forming support plate 27 and through the space between the facing pawls 23 After the foreign substances and odor components are wet-cleaned while in gas-liquid contact with the washing water introduced into the falling part 23 and injected into the polling part 23 by the washing water spray nozzle 25, the internal air circulation supply pipe 50 to be described later ), it is circulated (supplied air) back into the building wing of the odor generating facility.

The washing water obtained by wet washing the internal air of the building building 3 is introduced into the washing water circulation supply tank 30 installed on one side of the wet scrubber 20 . The washing water circulation supply tank 30 serves to supply the falling washing water sprayed from the washing water jet nozzle 25 back to the washing water jet nozzle 25 so that it is sprayed again.

The washing water circulation supply tank 30 penetrates into the wet scrubber 20 and cleans the washing water supply pipe 31 connected to the washing water spray nozzle 25 and the washing water in the washing water circulation supply tank 30 . It includes a pressurizing pump 33 for supplying a high pressure to the washing water spray nozzle 25 through the water supply pipe 31 .

The pressure flotation tank 40 is connected to the washing water circulation supply tank 30 described above. The pressurized flotation tank 40 pressurizes and circulates the washing water flowing in from the washing water circulation supply tank 30 and at the same time mixes air, thereby pressurizing and floating various foreign substances in the washing water in the form of sludge to remove the washing water again. It serves to provide to the circulation supply tank (30).

This pressurized flotation tank 40 is installed on the washing water circulation pipe 41 connecting the lower side and the inlet side of the pressurizing flotation tank 40, and the washing water circulation pipe 41, as shown in FIG. A pressurized pump 42 for forcibly circulating the washing water in the pressurized flotation tank 40 through the washing water circulation pipe 41, is installed on the washing water circulation pipe 41, and external air is mixed into the washing water circulation pipe The venturi-type ejector 43 and the pressure flotation tank 40 are pressurized flotation tank 40 so that the washing water from which foreign substances are removed in the form of sludge through the pressure flotation tank 40 is provided back to the washing water circulation supply tank 30 ) and a washing water supply pipe 44 connecting the washing water circulation supply tank 30.

In particular, the venturi-type ejector 43 uses Bernoulli's law to increase the flow rate of the washing water in the venturi so that external air can be naturally mixed, thereby eliminating the need for a separate pressurized air injector or high-pressure air cylinder.

In particular, even if a separate pump is not installed on the washing water supply pipe 44 due to the internal pressure of the pressurized flotation tank 40 increased by air mixing by the venturi-type ejector 43, the washing water in the pressurized flotation tank 40 is cleaned It may flow to the washing water circulation supply tank 30 through the water supply pipe 44 .

In addition, the pressurization flotation tank 40 is connected to the downstream of the venturi-type ejector 43 and includes a vibration tank 45 that induces air to be dissolved in the washing water through its own vibration, a pressurization pump 42 and a vibration tank 45. It may further include a bypass pipe 46 for connecting the.

In addition, between the washing water circulation supply tank 30 and the pressurized flotation tank 40, there is a reaction tank 47 for physically or chemically cleaning contaminants in the washing water, and agglomeration for physically or chemically coagulating foreign substances in the washing water. The jaws 48 may be sequentially interposed. The reaction tank 47 and the coagulation tank 48 are already known in the water treatment field, and detailed descriptions will be omitted here for the sake of simplicity of the specification.

The other side of the wet scrubber 20 and the building 3 of the odor generating facility are connected by an internal air circulation supply pipe 50 . The internal air circulation supply pipe 50 flows through the inside of the wet scrubber 20 and circulates and supplies the internal air of the building 3 of the odor generating facility that has undergone wet cleaning into the building 3 of the odor generating facility. It is preferable to have a branch pipe branching into multiple branches so that it can be connected to multiple points of the building building 3 of the odor generating facility.

In the case of the deodorization and purification apparatus using a wet scrubber and a pressurized floating tank according to an embodiment of the disclosed contents, the internal air of the building building 3 containing odors or harmful gases is deodorized and purified without being discharged to the atmosphere. As it is circulated back to the building building after wet cleaning by the scrubber 20 and deodorization purification treatment by the pressurized flotation tank 40, environmental pollution and civil complaints caused by the discharge of internal air to the atmosphere can be prevented in advance. The internal air recirculation structure eliminates the need for a separate air supply facility or a scattering prevention facility (demister, etc.) on the exhaust side.

In addition, in the case of a deodorization and purification apparatus using a wet scrubber and a pressurized flotation tank according to an embodiment of the disclosure, the washing water provided to the wet scrubber 20 is provided in a state in which foreign substances are floated and separated by the pressurized flotation tank 40 Accordingly, the replacement cycle of the washing water provided to the wet scrubber 20 is doubled and the wastewater treatment cost can be significantly reduced.

In addition, in the case of a deodorization and purification apparatus using a wet scrubber and a pressurized floatation tank according to an embodiment of the disclosure, air (including oxygen) is dissolved from the pressurized floatation tank 40 during deodorization and purification by the wet scrubber 20 As the washing water is supplied through the washing water circulation supply tank 30 and is sprayed, the odor or harmful gas is oxidized, so that the odor can be efficiently removed.

Although preferred embodiments of the present invention have been described with reference to the accompanying drawings, the embodiments described in the present specification and the configurations shown in the drawings are only the most preferred embodiments of the present invention and represent all of the technical spirit of the present invention. Therefore, it should be understood that there may be various equivalents and modifications that can be substituted for them at the time of filing the present application. Therefore, the embodiments described above are to be understood as illustrative and not restrictive in all respects, and the scope of the present invention is indicated by the following claims rather than the detailed description, and the meaning and scope of the claims and their All changes or modifications derived from the concept of equivalents should be construed as being included in the scope of the present invention.

3: Building
5: exhaust pipe
10: circulation fan
20: wet scrubber
21: inlet pipe
23: polling unit
25: washing water spray nozzle
27: flow path forming support plate
30: washing water circulation supply tank
31: washing water supply pipe
33: pressure pump
40: pressurized flotation tank
41: washing water circulation pipe
42: pressure pump
43: Venturi ejector
44: washing water supply pipe
45: vibrator
46: bypass pipe
47: reaction tank
48: coagulation tank
50: internal air circulation supply pipe

Claims (4)

a circulation fan connected to the exhaust pipe of the building building of the odor generating facility to discharge internal air of the building building of the odor generating facility to the outside;
An inlet pipe connected to the circulation fan is provided on one side, and a pair of poling parts are provided to face each other, and a washing water spray nozzle for simultaneously spraying washing water to the pole parts on both sides is arranged between the pair of pawl parts. a wet scrubber having a flow path forming support plate installed in the palling unit to guide air inside the building wing of the odor generating facility through the palling unit between the palling units as a pair;
a washing water circulation supply tank installed on the side of the wet scrubber and supplying the washing water sprayed from the washing water jet nozzle and dropped back to the washing water jet nozzle;
A pressurized flotation that is connected to the washing water circulation supply tank and pressurizes and circulates the washing water flowing from the washing water circulation supply tank and at the same time mixes air to flotation and remove the sludge, and then provides the washing water back to the washing water circulation supply tank article; and
Internal air circulation that connects the other side of the wet scrubber with the building building of the odor generating facility and circulates and supplies the internal air of the building building of the odor generating facility that has undergone wet cleaning while flowing through the wet scrubber into the building building of the odor generating facility. A deodorizing and purifying device using a wet scrubber including a supply pipe and a pressurized flotation tank. The method according to claim 1,
A deodorization and purification apparatus using a wet scrubber and a pressurized flotation tank, characterized in that a reaction tank and a coagulation tank are sequentially interposed between the washing water circulation supply tank and the pressurized flotation tank. The method according to claim 1 or 2,
The pressurized flotation tank includes a washing water circulation pipe connecting the lower side and the inlet side of the pressurizing flotation tank, a pressurization pump installed on the washing water circulation pipe, and a washing water circulation pipe installed on the washing water circulation pipe and passing outside air to the washing water circulation pipe A deodorizing and purifying device using a wet scrubber and a pressurized flotation tank, characterized in that it comprises a venturi-type ejector to be mixed into the furnace, and a washing water supply pipe connecting the pressurized flotation tank and the washing water circulation supply tank. 4. The method according to claim 3,
The pressurizing flotation tank is connected to the downstream of the venturi ejector and further comprises a vibration tank guiding air to dissolve in the washing water, and a bypass pipe connecting the pressurization pump and the vibration tank. Deodorization and purification device using floating tank.

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