JP6718849B2 - Ventilation piping that sends exhaust gas from the exhaust system to the harmful substance removal device - Google Patents

Description

The present invention removes harmful substances from exhaust gas containing harmful substances exhausted from exhaust devices such as ventilation fans, ventilation ducts installed in kitchens, food factories, feed factories, etc. by a harmful substance removing device, so that exhaust gas The present invention relates to a ventilation pipe for sending exhaust gas exhausted from a device to a harmful substance removing device.

In kitchens, food factories, feed factories, etc., ventilation fans are installed to discharge harmful gas containing harmful substances such as bad odor, oil, bacteria that cause food poisoning, viruses, molds, dust, and greenhouse gases. Exhaust devices such as ventilation ducts are installed. Since the exhaust gas containing harmful substances exhausted from this exhaust device is harmful, in order to remove the harmful substances from the exhaust gas to render them harmless, the applicant has included a harmful substance-containing device equipped with a harmful substance removing device. Filed a gas treatment device (see Patent Document 1). The harmful substance removing device described in Patent Document 1 sucks a harmful substance-containing gas and passes it through a filter, a fungal bed material, etc. to decompose, deodorize, adsorb, or sterilize the harmful substance in the harmful substance-containing gas. The structure is such that the gas that has been removed and processed is exhausted.

JP, 2005-94503, A

In order to send the exhaust gas exhausted from the exhaust device to the harmful substance removal device, if the exhaust device and the harmful substance removal device are connected by a ventilation pipe, the exhaust gas volume exhausted from the exhaust device and the suction to the harmful substance removal device The exhaust gas exhausted from the exhaust device will be sucked into the harmful substance removal device as long as it matches the exhaust gas suction amount. Flow to. However, if the suction amount decreases due to a decrease in the exhaust gas exhaust amount due to a malfunction of the exhaust device, or the filter inside the harmful substance removal device is clogged or the bacterial bed material is deteriorated, the exhaust gas of the exhaust device is reduced. If there is a difference between the exhaust amount and the suction amount of the harmful substance removing device and the balance is lost, there is a problem that the exhaust gas cannot smoothly flow through the ventilation pipe.

In this way, if exhaust gas is not sucked into the harmful substance removal device and it becomes difficult to flow through the ventilation pipe and exhaust gas accumulates in the ventilation pipe, exhaust of the exhaust device cannot be performed normally and the ventilation fan and ventilation duct of the exhaust device A load is applied to the motor that rotates the blades, which causes a failure, and also shortens the service life. In addition, even when the suction amount of the intake fan of the harmful substance removal device is higher than the exhaust amount of the exhaust gas of the exhaust device, the intake fan of the harmful substance removal device is connected to the ventilation fan of the exhaust device, the motor that rotates the blades of the ventilation duct, and the like. The suction force exerts a load and causes a failure of the motor or the like, which has an effect of shortening the use or service life.

Therefore, the present invention is directed to an exhaust device in a ventilation pipe that connects the exhaust device and the harmful substance removing device to suck the exhaust gas exhausted from the exhaust device and send the exhaust gas to the harmful substance removing device that removes the harmful substance from the exhaust gas. It is intended to provide a ventilation pipe capable of smoothly sending exhaust gas even if there is a difference between the exhaust gas amount and the suction amount of the harmful substance removing device.

The invention of claim 1 of the present application connects an exhaust device for exhausting exhaust gas containing harmful substances and a harmful substance removing device for sucking the exhaust gas to remove the harmful substances from the exhaust gas by connecting the exhaust device. In the ventilation pipe for sending the exhaust gas of the exhaust device to the harmful substance removing device,
When the exhaust amount of the exhaust gas exhausted by the exhaust device exceeds the suction amount of the exhaust gas sucked by the harmful substance removing device, the excess amount of the exhaust gas is exhausted to the outside of the vent pipe. Or, when the exhaust amount is less than the suction amount, an intake/exhaust port through which the insufficient amount of air is taken in from the outside of the ventilation pipe is provided ,
The intake and exhaust ports are respectively provided at one or more locations on the exhaust device side and the harmful substance removing device side from the center of the ventilation pipe,
Inside the ventilation pipe of the intake and exhaust ports provided on the exhaust device side from the center of the ventilation pipe, a wind breeze plate is erected on the harmful substance removing device side,
The ventilation pipe is characterized in that, inside the ventilation pipe of the intake/exhaust port provided on the harmful substance removing device side from the center of the ventilation pipe, a wind baffle plate is erected on the exhaust device side. is there.

The invention of claim 2 is provided wherein the intake and exhaust port adjacent to the center of the vent pipe,
The ventilation pipe according to claim 1 , wherein one air blow plate is provided upright in the center of the ventilation pipe inside the ventilation pipe of the intake and exhaust ports provided adjacent to each other.

The invention of claim 3 is a vent pipe according to claim 1 or 2, wherein the intake and exhaust port, characterized in that provided on both side surfaces of one side or opposite of the vent pipe.

The invention according to claim 4 of the present application is the vent pipe according to any one of claims 1 to 3 , wherein the vent pipe is a pipe that can expand and contract and bend.

The present invention relates to an exhaust gas exhausted by an exhaust device when exhaust gas containing harmful substances discharged from the exhaust device is exhausted by connecting the ventilation pipe to the exhaust device by removing the harmful substances with a harmful substance removing device. Even if there is a difference between the exhaust amount of gas and the suction amount of exhaust gas sucked by the harmful substance removing device , intake and exhaust ports are provided on the exhaust device side and the harmful substance removing device side from the center of the ventilation pipe. A ventilation plate is erected on the harmful substance removing device side inside the ventilation pipe of the intake/exhaust port provided on the exhaust device side from the center, and is provided on the harmful substance removing device side from the center of the ventilation pipe. Inside the ventilation pipe of the intake/exhaust port, a wind baffle plate is erected on the exhaust device side.Therefore, excess exhaust gas is exhausted from the intake/exhaust port, or the harmful substance removal device Air can be sucked in from the outside instead of the exhaust gas of which the suction amount is insufficient, and the amount of air flowing into the ventilation pipe can be automatically adjusted and smoothly sent.

The exhaust capacity of the exhaust device is higher than the intake capacity of the harmful substance removing device due to a malfunction of the suction fan and exhaust fan of the harmful substance removing device, clogging of the filter, or clogging due to deterioration of the fungal bed material. If the amount of gas exhaust exceeds the amount sucked by the harmful substance removal device, all the exhaust gas of the exhaust device cannot be processed and discharged by the harmful substance removal device. By discharging from the exhaust port to the outside, it is possible to send the harmful substance removing device as much as it can be suctioned for removal processing.

Further, the present invention is an amount of exhaust gas that can be processed by the harmful substance removing device by adjusting the intake/exhaust of the intake/exhaust port of the ventilation pipe to adjust the excess/deficiency of the intake amount of the harmful substance-containing gas processed by the harmful substance removing device. Since the exhaust gas can be made to flow smoothly, the load of the exhaust device motor due to the excess or deficiency of the exhaust gas is not applied, so that the use of the motor and the reduction of the service life can be prevented.

It is explanatory drawing of Example 1 of this invention. It is explanatory drawing of Example 2 of this invention. It is explanatory drawing of the ventilation piping of this invention. It is explanatory drawing of the ventilation piping of this invention. It is explanatory drawing of the ventilation piping of this invention. It is explanatory drawing of the ventilation piping of this invention. It is explanatory drawing of the ventilation piping of this invention. It is explanatory drawing of the ventilation piping of this invention.

INDUSTRIAL APPLICABILITY The present invention provides a malodorous gas, oil-containing gas, food poisoning bacteria, viruses, molds, dust, dust discharged from exhaust devices such as ventilation fans in kitchens, food factories, feed factories, etc. Alternatively, it is a ventilation pipe that connects the exhaust device and the harmful substance removing device to send the exhaust gas containing the harmful substances such as greenhouse gases to the harmful substance removing device, and the intake pipe and the exhaust port are provided in this ventilation pipe. .. An embodiment will be described with reference to the drawings. In each figure, the same reference numerals indicate the same members.

<Example 1>
In FIG. 1, a ventilation fan 2 which is an exhaust device and a gas decomposing/deodorizing device 4 which is a harmful substance removing device are connected by a ventilation pipe 1. The left side connection part 6 at one end of the ventilation pipe 1 is connected to the ventilation fan outer side 3, and the right side connection part 7 at the other end of the ventilation pipe 1 is connected to the suction side connection part 5 of the gas decomposing/deodorizing device 4. The exhaust gas 9 containing harmful substances exhausted from the ventilation fan 2 flows through the ventilation pipe 1 and is sucked by the gas decomposing/deodorizing device 4 to remove harmful substances, and the exhaust gas after processing is discharged.

The left-side connection portion 6 of the ventilation pipe 1 is formed in a shape that allows connection to the ventilation pipe 1 or a connection portion that is integral with the ventilation pipe 1 or a separate connection portion that can be connected to the ventilation pipe 1. Similarly, the right side connection part 7 of the ventilation pipe 1 is also a connection part integrated with the ventilation pipe 1 or a separate connection part that can be connected to the ventilation pipe 1 is a suction side connection part of the gas decomposition/deodorization device 4 which is a harmful substance removing device. 5 is formed so that it can be connected.

The ventilation pipe 1 is made of metal, rubber, glass, fiber, waterproof cloth or vinyl, and may be formed of a single pipe, a pipe that can be divided, or a known pipe or duct such as a flexible hose or a flexible pipe. it can.

The ventilation pipe 1 is provided with an intake/exhaust port 8. In FIG. 1, the intake/exhaust port 8 is provided at one place on the left side connecting portion 6, but it may be provided on the right side connecting portion 7 or at another place. The intake/exhaust ports 8 may be provided in two or more places instead of one place, the installation position and the number of the intake/exhaust ports 8 are not particularly limited, and the shape of the intake/exhaust ports 8 is rectangular or circular. There is no particular limitation.

Since the ventilation pipe 1 is provided with the intake/exhaust port 8, if the exhaust amount of the exhaust gas 9 exhausted from the ventilation fan 2 is less than the suction amount of the suction fan 11 of the gas decomposing/deodorizing device 4, the insufficient amount is vented. Air is taken in from the outside through the intake/exhaust port 8 of the pipe 1, and the exhaust gas 9 smoothly flows and is sent.

On the contrary, if the exhaust amount of the exhaust gas 9 exhausted from the ventilation fan 2 is larger than the suction amount of the suction fan 11 of the gas decomposing/deodorizing device 4, a large amount of the exhaust gas 9 is discharged from the intake/exhaust port 8 of the ventilation pipe 1. As a result, the exhaust gas 9 smoothly flows and is sent.

Further, due to the failure of the suction fan 11 of the gas decomposing/deodorizing device 4, the failure of the exhaust fan 16, and the clogging due to the deterioration of the fungal bed material 13, the gas decomposing/deodorizing device 4 cannot exhaust the exhaust gas 9 of the ventilation fan 2. The extra exhaust gas 9 is discharged to the outside through the intake/exhaust port 8 of the ventilation pipe 1.

<Example 2>
In the present embodiment, as shown in FIG. 2, when the exhaust gas 9 exhausted from the ventilation fan 2 of the commercial kitchen or the domestic kitchen contains the vaporized mist oil of tempura oil and the odor, the exhaust device. The left side connection part 6 of the ventilation pipe 1 is connected to the outer side 3 of the ventilation fan 2, which is the exhaust fan 2. Exhaust gas containing evaporated mist oil of cooking oil and cooking odor discharged from the ventilation fan 2 passes through the filter 14 at the entrance of the cooking oil decomposing/deodorizing device 17 to remove the cooking oil.

The oil removed by the filter 14 collects in the oil sump container 15, and the remaining suctioned exhaust gas 12 containing the evaporated mist oil of the tempura oil and the odor passes through the fungal bed material 13 of the tempura oil recovery decomposition deodorizing device 17. After being decomposed and deodorized, the exhaust fan 16 discharges the treated exhaust gas 10 to the outside.

Due to clogging of the filter 14 of the tempura oil recovery decomposition deodorization device 17, clogging due to deterioration of the fungal bed material 13, or failure of the exhaust fan 16, the suction exhaust gas 12 of the tempura oil recovery decomposition deodorization device 17 recovers the tempura oil recovery. When the processed exhaust gas 10 cannot be discharged to the outside without smoothly flowing through the decomposition and deodorization device 17, the exhaust gas 9 of the ventilation fan 2 will be collected in the ventilation pipe 1, and at the same time, it will be filled and exhausted of the ventilation pipe 1. It is discharged from the mouth 8 to the outside.

Further, when the suction amount of the tempura oil recovery decomposition and deodorization device 17 is larger than the exhaust amount of the exhaust gas 9 exhausted from the ventilation fan 2, the outside air is taken in from the intake/exhaust port 8 of the ventilation pipe 1, so that the ventilation fan 2 It is possible to suppress a load from being applied to a motor that rotates the blades.

<Example 3>
This example shows various examples of the intake and exhaust ports of the ventilation pipe.
In FIG. 3, the circular intake/exhaust port 8 is provided on the side of the left connecting portion 6 of the ventilation pipe 1, but may be on the right connecting portion 7 side or between the left connecting portion 6 and the right connecting portion 7. The shape of the intake/exhaust port 8 may be circular, polygonal, or rectangular. The intake/exhaust port 8 may be provided at one location or at a plurality of locations of two or more locations. The shape of the ventilation pipe 1 may be polygonal as well as circular.

In FIG. 4, the intake and exhaust ports 8 are provided by notching two locations on both sides of the left side connecting portion 6 of the ventilation pipe 1 having a circular vertical cross section, but the side connecting portion 6 and the right side connecting portion 7 are provided at the same time. Alternatively, it may be provided at a plurality of locations.

5 to 8 show a case where a wind baffle plate 18 is formed at the intake/exhaust port 8, and the wind baffle plate 18 is located on the left side (FIG. 5), right side (FIG. 6), both sides (FIG. 7) or both sides of the intake/exhaust port 8. It can be formed in the center (FIG. 8). The wind breeze plate 18 is formed by cutting and raising a part of the ventilation pipe 1 inside the pipe to form the air intake/exhaust port 8 and the wind breeze plate 18, or separately using a metal, plastic, rubber, wood, bamboo material or the like. It may be formed and attached.

In the ventilation pipe 1, when the exhaust amount of the exhaust gas 9 from the exhaust device is larger than the suction amount of the harmful substance removing device, if the exhaust gas 9 of the exhaust device flows backward or becomes full in the ventilation pipe, Exhaust gas hits the wind baffle plate 18 formed at the intake/exhaust port 8, so that the exhaust gas is easily discharged from the intake/exhaust port 8 to the outside.

1: Vent pipe 2: Ventilation fan 3: Ventilation fan outside 4: Gas decomposing/deodorizing device 5: Suction side connection part 6: Left side connection part 7: Right side connection part 8: Intake/exhaust port 9: Exhaust gas 10: Treated exhaust gas 11 : Suction fan 12: Suction exhaust gas 13: Bacteria bed material 14: Filter 15: Oil reservoir 16: Exhaust fan 17: Tempura oil recovery decomposition and deodorization device 18: Wind blow plate

Claims (4)

An exhaust device for exhausting exhaust gas containing harmful substances and a harmful substance removing device for sucking the exhaust gas to remove the harmful substances from the exhaust gas are connected, and the exhaust gas of the exhaust device is In the ventilation pipe sent to the harmful substance removing device,
When the exhaust amount of the exhaust gas exhausted by the exhaust device exceeds the intake amount of the exhaust gas sucked by the harmful substance removing device, the exhaust gas is exhausted to the outside of the vent pipe to the vent pipe. Alternatively, when the exhaust amount of the exhaust gas exhausted by the exhaust device is less than the intake amount of the exhaust gas sucked by the harmful substance removing device, an insufficient amount of air is sucked from the outside of the ventilation pipe. Intake and exhaust ports are provided ,
The intake and exhaust ports are respectively provided at one or more locations on the exhaust device side and the harmful substance removing device side from the center of the ventilation pipe,
Inside the ventilation pipe of the intake and exhaust ports provided on the exhaust device side from the center of the ventilation pipe, a wind baffle plate is erected on the harmful substance removing device side,
A ventilation plate is erected on the exhaust device side inside the ventilation pipe of the intake/exhaust port provided on the harmful substance removing device side from the center of the ventilation pipe.
Ventilation piping characterized by that. The intake and exhaust ports are provided adjacent the center of said vent pipes,
Inside the ventilation pipes of the intake and exhaust ports provided adjacent to each other, one air blow plate is erected at the center of the ventilation pipes.
The ventilation pipe according to claim 1, wherein Ventilation pipe according to claim 1 or 2, characterized in that said intake and exhaust port is provided on both side surfaces of one side or opposite of the vent pipe. Ventilation pipe according to any one of claims 1 to 3, characterized in that said vent pipe is made of a tube of elastic and bending.

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