KR100478622B1 - Bad smell deodorizer - Google Patents

Abstract

The present invention relates to a malodor deodorizer, which is particularly applicable to manure tank lorry vehicles as a malodor deodorizer.

The odor deodorizer according to the present invention is connected to one side of the deodorization tank 20, the deodorization tank 20, the exhaust air induction pipe 1 for guiding the odor gas into the deodorization tank, and the deodorization tank 20 A) a fibrous activated carbon filter (6) provided inside, a granular activated carbon layer (7) provided on an upper side of the fibrous activated carbon filter (6), and a deodorizing gas discharge port (10) provided at an upper portion of the deodorizing tank (20); The deodorization tank lid 11 provided above the deodorization tank 20 is provided.

The deodorization system according to the present invention uses a physical treatment method of attaching and concentrating a solid, a solute dispersion or a colloidal substance in a gas, vapor, liquid, etc. on the surface of a solid substance with a physical and chemical affinity. The activated carbon adsorption method is mainly used as a solid substance. It is economical because it does not require water, chemicals, etc., so the overall operation management operation is not necessary and the device is relatively simple and the recycled use of activated carbon is possible.

The manure cleaning vehicle uses a high pressure vacuum suction vehicle, so it is easy to operate because it uses power like a compressor (vacuum pump) installed in the vehicle to inhale manure without the need for a gas transfer device to an activated carbon deodorizer such as an inflow fan. There is.

Description

Odor deodorizer for bar cars {omitted}

This product is related to activated carbon adsorption type deodorizer which removes manure odor substance by attaching to manure vacuum tank lorry which is a conventional vehicle for cleaning raw manure or septic tank.

When the manure or the septic tank is sucked into the vacuum suction vehicle for collecting manure, as much air is sucked out.

Exhaust air discharged to the outside of the manure tank lorry includes acid odors methyl mercaptan CH ₃ SH, hydrogen sulfide H ₂ S and basic odors ammonia NH ₃ , trimethylamine (CH ₃ ) ₃ N, etc. Will feel.

Among the odorous substances, basic odors of amines and ammonia are mainly changed by hydrolysis, acid fermentation and alkali fermentation under anaerobic conditions due to nitrogen (N ₂ ) contained in urine. Acid odor of the system is mainly a substance in which the sulfur component contained in the powder is modified under anaerobic conditions.

The gas contained in the exhaust air has the following unpleasant odor.

Acid odor

-Methyl mercaptan CH ₃ SH: rotting odor

-Hydrogen sulfide H ₂ S: rotting egg smell

Basic odor

-Ammonia NH ₃ : Irritating Odor

-Trimethylamine (CH ₃ ) ₃ N: rotting fish smell

Therefore, efforts have been made to deodorize the odor as described above. As a deodorization method of the conventional manure odor, there is a liquid oxidation treatment method of the odor using chlorine dioxide ClO ₂ of Patent No. 22570. .

In other words, the prior art, which is a chemical treatment method, is a method of rapidly oxidizing odorous substances by periodically oxidizing chlorine dioxide (ClO ₂ ), which is an oxidizing agent, and separately treating odorous substances remaining in chlorine dioxide. The odor is easily removed, but the price is high, so it is avoided in the field, and because chlorine dioxide is in an unsafe gas state, it is dangerous and decomposed by light.

Another conventional odor deodorization method is a combustion method in which exhaust air is sent to a combustion furnace to decompose odorous substances such as gas into carbon dioxide gas and water at a high temperature. The decomposition temperature is usually 600 to 800 ° C., and the residence time is 0.3 to 0.5 seconds. Turbulent conditions require contaminant composition, equal mixing of combustion gases, and uniform temperature distribution in the reaction chamber. However, this method was difficult to apply to manure vehicles.

The present invention has been made to solve the problems of the prior art as described above, it is an object to provide an economical odor deodorizer is easy to install and low operating and installation costs.

It is also an object of the present invention to provide a odor deodorizer suitable for application to a manure vacuum tank lorry.

The present invention and deodorization tank to achieve the above object; A odor gas induction pipe connected to one side of the deodorization tank to guide exhaust odor gas into the deodorization tank; A fibrous activated carbon filter installed inside the deodorizing tank; A granular activated carbon layer provided above the fibrous activated carbon filter; A deodorizing gas outlet installed at an upper portion of the deodorizing tank; It provides a odor deodorizer having a deodorization tank lid installed above the deodorization tank.

The present invention also to achieve the above object, the primary impact plate is installed directly below the fibrous activated carbon filter inside the deodorizing tank; Further provided with a secondary collision plate and a foreign substance outlet provided below the primary collision plate, the oil and solids foreign matter contained in the malodorous gas is removed through the foreign matter outlet installed on the lower side of the fibrous activated carbon filter and gaseous odor The gas is provided by using the fibrous activated carbon filter and the granular activated carbon layer on the upper side to provide a odor deodorizer.

In another aspect, the present invention provides an odor deodorizer characterized in that the inclined plate provided below the secondary collision plate further provided to collect the high-liquid foreign matter dropped to the lower side through the foreign matter discharge port. .

The present invention also provides an odor deodorizer, characterized in that the inclination angle of the inclined plate has a slope of about 15 degrees with respect to the horizontal plane.

The present invention also provides a odor deodorizer is characterized in that the odor deodorizer is mounted to the manure tank lorry and the odor gas induction pipe is connected to the exhaust air discharge pipe of the manure tank lorry. It further comprises a check valve installed on the other side wall facing the gas inlet pipe inlet, the check valve is characterized in that the device to automatically supply the outside air into the tank lorry when the check valve is opened when discharged out of the manure tank lorry. It provides a odor deodorizer.

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1 is a cross-sectional view of the malodor deodorizer according to the present invention.

Hereinafter, the structure of the deodorizer according to the present invention will be described in detail with reference to FIG.

First, the deodorizer of Figure 1 is used to be mounted on the outside of the manure vacuum tank lorry vehicle. The deodorizer of the present invention has a structure filled with impingement plates and granular activated carbon layers in the deodorization tank 20. In more detail, first, at the bottom, a separation mechanism 4 for separating gaseous odors and high-liquid foreign substances, that is, manure solids, contained in the odor gas is installed. The separation mechanism 4 of FIG. The impingement plate 4a, the lower discharge port 4b, the inclined plate 4c which collects the oil into one place, and the lower discharge port 4d for discharging the dirt are discharged.

In addition, the odor gas induction pipe (1) is provided outside the deodorization tank 20 for guiding the exhaust air (odor gas) discharged from the manure vacuum tank lorry vehicle to the deodorizer of the present invention. ) Is connected to one side wall surface of the deodorization tank 20 via the safety valve (2). Another side wall surface of the deodorizing tank 20, that is, the side wall surface on the opposite side of the portion where the odor gas induction pipe 1 is attached, is automatically cleaned in the manure tank when the manure is discharged from the manure vacuum tank lorry to the outside. An external air inlet check valve 12 for supplying air is provided.

A primary collision plate 3 is provided above the separation tank 4, and a first perforated stainless steel network 5 is installed above the primary collision plate 3, and the first perforated stainless steel is installed. The fibrous activated carbon filter 5 is provided in the upper part of the net | network 5. In addition, a first granular activated carbon layer 7 is provided above the fibrous activated carbon filter 6, and a second perforated stainless steel network 8 is provided above the first granular activated carbon layer 7. The second granular activated carbon layer 9 is provided on the second perforated stainless steel net 8. The deodorization tank lid 11 of the deodorization tank 20 is attached to the upper side of the second granular activated carbon layer 9. In addition, a deodorizing gas discharge port 10 for discharging the deodorizing gas from which the odor is deodorized is formed on the upper portion of the deodorizing tank 20.

The odor deodorization mechanism using the deodorizer having the structure as shown in FIG. 1 is as follows. First, the exhaust air discharged through the gas outlet of the manure vacuum tank lorry vehicle is passed through the odor gas induction pipe (1) and safety valve (2) having an inner diameter of 50 mm installed in the lower part of the deodorizer and into the deodorizer of the present invention. Inflow. The safety valve (2) is smooth without discharging the vacuum tank in the event of an emergency in which the gas is not discharged smoothly from the deodorizer, the pressure rises above the normal pressure of about -1kg / ㎠ (minus 76cmHg) It is a safety device that bypasses the gas and bypasses it to collect the manure. The malodorous gas introduced through the malodorous gas induction tube 1 contains a small amount of oil, manure filth, water, and the like.

When the pressure rises above a certain pressure of the manure tank, the welding part of the manure tank falls and the tank is destroyed. Safety due to tank pressure is important because it is a vacuum suction and discharge process that handles odorous manure and many foreign substances. There is a safety valve at the top of the manure tank, so the automatic operating pressure is adjusted to plus or minus 1.0kg / ㎠ (76cmHg), but it is severely corroded and frequently breaks down.In this case, unfiltered dirt or some oil in the vacuum pump Passing through the pipe to the deodorization tank 20 can be sealed inside the safety valve (2) installed in the deodorization tank 20 in the event of such an emergency deodorization to ensure the safety of the manure tank pressure does not change over a certain pressure It is a safety valve of the machine itself, and the automatic operating pressure is adjusted to 1.0 kg / cm 2 (76 cmHg), which is the same as the safety valve at the top of the manure tank.

Next, the malodorous gas introduced into the deodorizing tank 20 firstly moves upward, and then impinges on the primary impact plate 3 installed in the deodorizing tank 20 and then moves downward. The primary collision plate flows into the separation mechanism (4) zone located in the lower end of the deodorization tank 20 to the odor gas in the turbulent flow state to the foreign matter discharge port (4b) and the secondary collision plate (4a) It also transports and lowers the velocity of debris, which partially impedes the flow to induce maximum laminar flow in activated carbon. The primary collision plate 3 is installed in the deodorization tank 20 to protrude into the pipe at the 50 mm front end point of the check valve. The protruding size of the primary collision plate 3 is about 15 mm and is attached to the pipe.

Next, the exhaust air which has hit the primary collision plate 3 and moved downward hits the secondary collision plate 4a of the separation mechanism 4 and is separated into gaseous odor and liquid or solid foreign matter. Again, the gas flows upward, and the foreign matter falls to the downward inclined plate 4c through the lower discharge port 4b. The oil inclined plate 4c is provided to have an inclination angle of about 15 ° so as to smoothly collect the oil and the solid liquid, ie, the dirt, into the foreign matter discharge port 4d. If dirt collects to some extent in the separating mechanism 4, it is discharged out through the foreign matter discharge port 4d.

On the other hand, the odor hitting the secondary impact plate (4a) is turned upward flow through the first perforated stainless steel mesh (5) (fibrous activated carbon) (fibrous activated carbon) (6). The first perforated stainless steel mesh 5 is made of stainless steel, and is made of about 70 to 80 small holes having a diameter of 5 mm. In addition, the fibrous activated carbon filter 6 is a nonwoven carbon filter laid on the first perforated stainless steel net 5 to perform a primary deodorizing function.

The malodorous gas deodorized first while passing through the fibrous activated carbon filter 6 is deodorized secondarily while passing through the first granular activated carbon layer 7 (Granular Activated Carbon). The first granular activated carbon layer 7 has a thickness of about 150 mm and is mainly deodorized from the first granular activated carbon layer 7.

Next, the odorous gas which is mainly deodorized in the first granular activated carbon layer 7 continues through the second perforated stainless steel network 8 and passes through the second granular activated carbon layer 9 having a thickness of about 50 mm, thereby finally deodorizing. Lose. The second perforated stainless steel net 8 serves to prevent entanglement and channeling of activated carbon by punching about 120 small holes of about 3 mm into a stainless steel plate.

The gas passing through the second granular activated carbon layer 9 is a gas from which most of the odor is deodorized and is discharged into the air through the deodorizing gas outlet 10.

The deodorizing function of the odor deodorizer is only exerted during the intake of manure. In the cleaning operation, the manure is introduced into the tank lorry and the odor gas is deodorized as the odor gas in the tank lorry passes through the deodorizer.

Odor gas (including oil and dirt) → Safety valve → Primary collision plate → Lower outlet and secondary collision plate → Primary perforated stainless steel network → Fibrous activated carbon filter (primary deodorization) → Primary granular activated carbon layer (secondary deodorization) → Secondary porous stainless steel network → Secondary granular activated carbon layer (3rd deodorization) → Deodorization gas outlet (air discharge)

On the other hand, when the manure transfer (discharge) work out from the manure tank lorry, the air supply to the tank lorry is mainly supplied with clean air from the outside through the check valve 12 of the deodorization tank 20. The overall structure of the manure collection vehicle and the manure suction Once again, the manure collection vehicle is a vehicle equipped with a specially manufactured enclosed tank lorry instead of a loading box of a general vehicle, and has a device for automatically inhaling or discharging the devices connected to the manure tank by the power of the engine. When the vacuum pump is rotated by the power drawn from the transmission of the engine of the vehicle, the pressure inside the tank is reduced or increased. Therefore, the manure is sucked into the tank or discharged to the outside. It becomes lower than 1 kg / cm <2> and a vacuum (minus 50-76 cmHg) is formed. At this time, when the end of the hose connected to the tank is put into sewage or manure, the manure is sucked into the tank with low pressure. [Manure inhalation work]: As shown in the air circulation diagram below, the air in the tank is taken out into the atmosphere. When exiting, the pressure is lowered and the external manure is automatically sucked into the tank.When the vacuum pump is driven, the operator first places the 4-way valve lever installed at the rear end of the tank lorry at the suction position and looks at the pressure (compound) gauge. If it falls below -50cmHg), open the 2Way Valve and start the cleaning operation. [Manure discharge operation]: When a vacuum pump is operated to inject air into the tank, the pressure increases and the manure inside the tank is discharged to the outside. The discharge of the manure is done at the disposal site. After the hose is firmly connected or fixed to the inlet, put the 4-way valve lever at the discharge position while watching the pressure (compound) gauge with the intake discharge valve open.When the vacuum pump operates, the air circulation system The outside air is introduced from the deodorizer, which is the end of the air, and the pressure increases as the air enters the tank. At the time of discharge, the manure is already filled in the tank and the pressure increases immediately. Degree" Deodorization is necessary only in the vacuum pressure in the tank in which the air is taken out to the outside, and on the contrary, the external air suction check valve is operated in the air intake state to discharge the manure. A vacuum pump is a component that makes the tank's internal pressure to a negative pressure to inhale the manure or to form a positive pressure which is discharge pressure when discharged.When the vacuum pump starts to operate, the lubricating oil enters into the vacuum pump through the oil supply hose. It acts as a sealing and separates air from the Sub Oil Separator and Main Oil Separator, and then circulates back into the vacuum pump. When these parts are old, some manure or oil remains intact. It will overflow with a deodorizer. In order to prevent this, a separation mechanism 4 is required.

Anticipated problems associated with using the adsorption type deodorizer as described above include oil and manure (including water) leaking from the tank lorry to some deodorizers to block the pores of activated carbon and to reduce adsorption or channeling. Can be mentioned. In the present invention, in order to prevent this, by installing a collision plate to lower the flow rate of the gas and change the direction of the gas and foreign substances to the lower side, the gas changes the flow in the upward direction, but the foreign matter is discharged to the lower side without changing the direction. In addition, the upper cover 11, which is a general round lid that prevents the inflow of rainwater, is mounted on the upper side of the deodorizing tank 20, and a bolt is installed and fixed at the center of the upper cover 11 to facilitate the detachable work. Open only) can replace the granular activated carbon and fibrous activated carbon filter inside the deodorizing tank (20). In addition, the deodorizer material is made of stainless steel so that it can withstand almost manure odor almost permanently.

The adsorption type activated carbon deodorizer of the present invention was tested in a sewage sludge cleaning vehicle with a capacity of 5 kW at the sewage treatment facility (2000 kW / day) of the Seonam sewage treatment facility (formerly Gayang Sewage Treatment Office) in Gangok-gu, Seoul. As a result of testing by sensory method, six people who participated in the test showed that it was difficult to detect slight odor or odor itself, and it was confirmed to show the same effect as liquid deodorization by conventional chemicals (ClO ₂ ). It was.

The deodorizing system according to the present invention uses a physical treatment method of attaching and concentrating a solid, a solute dispersion or a colloidal substance in a gas, vapor, liquid, etc. on the surface of a solid substance with a physical and chemical affinity, and mainly using activated carbon as a method of using a solid substance. However, since the activated carbon adsorption method does not use water or chemicals, there is no need for a total operation management operation, and there is an economical advantage because the device is relatively simple and recycled carbon can be used.

The manure cleaning vehicle uses a high-pressure vacuum suction vehicle, so it is easy to operate because it is installed in the vehicle and uses power like a compressor that sucks manure without the need for a gas transfer device to an activated carbon deodorizer such as an inflow fan.

1 is a schematic cross-sectional view of a malodorous gas deodorizer for manure changeover according to the present invention. FIG. 2 is a schematic cross-sectional view of a separation mechanism of a malodorous gas deodorizer for manure changeover.

*** BRIEF DESCRIPTION OF THE DRAWINGS ***

1: odor gas induction pipe 2: safety valve

3: primary collision plate 4: separation mechanism

4a: secondary impact plate 4b: lower outlet

4c: Slope plate 4d: Foreign substance outlet

5: first perforated stainless steel 6: fibrous activated carbon filter

7: first granular activated carbon layer 8: second perforated stainless steel network

9: second granular activated carbon layer 10: deodorizing gas outlet

11: Deodorization tank lid 12: External air inlet check valve

Claims (7)

Deodorization tank; An exhaust air induction pipe connected to one side of the deodorization tank to guide malodorous gas into the deodorization tank; A fibrous activated carbon filter installed inside the deodorizing tank; A granular activated carbon layer provided above the fibrous activated carbon filter; A deodorizing gas discharge pipe installed above the deodorizing tank; A deodorization tank lid provided above the deodorization tank; Odor deodorizer provided with a safety device installed in the external gas inlet pipe of the deodorization tank. The method of claim 1, A primary collision plate provided directly below the fibrous activated carbon filter inside the deodorizing tank; Further provided with a secondary collision plate and a foreign matter outlet provided below the primary collision plate, the oil and solids foreign matter contained in the odor gas is removed through the foreign matter outlet installed on the lower side of the fibrous activated carbon filter and gaseous odor Gas is removed using the fibrous active filter and granular activated carbon layer on the upper side. The method of claim 2, Odor deodorizer characterized in that the inclined plate provided below the secondary impingement plate is further provided to collect the high-liquid foreign matter dropped downward through the foreign matter discharge port. 4. The malodor deodorizer according to claim 3, wherein the inclination angle of the inclined plate has an inclination of about 15 degrees with respect to the horizontal plane. The odor deodorizer according to claim 3, wherein the odor deodorizer is mounted to the manure tank lorry and the odor gas induction pipe is connected to the exhaust air discharge pipe of the manure tank lorry. The method of claim 5, further comprising a check valve provided on the other side wall facing the inlet odor gas induction pipe formed on one side wall of the deodorization tank, The check valve is a odor deodorizer characterized in that the device for automatically supplying the outside air into the tank lorry as the check valve is opened when the manure is discharged out of the manure tank lorry. According to claim 1 and 5, the deodorizer safety device attached to the inlet of the odor gas deodorant gas is not discharged smoothly, the pressure rises beyond the normal pressure of about -1kg / cm2 (vacuum 76 cmHg) Odor gas deodorizer equipped with a safety device to bypass the gas in order to facilitate the collection of the manure without overloading the manure tank lorry in case of emergency