KR20190112547A - Ventilation system for internal cleaning of pipes - Google Patents

Abstract

The present invention relates to a ventilation and harmful substance removal system for restoring the inside of a pipe, which comprises: an air supply unit connected to one side pipe of a restoration section in order to supply air to the inside of a pipe; an air ventilation unit connected to the other side pipe of the restoration section in order to suck the air in the pipe before discharging the same to the outside; a first purification unit purifying the air supplied to the inside of the pipe through the air supply unit; a second purification unit purifying the air discharged to the outside through the air ventilation unit; and a control unit controlling the operation of the air supply unit, the air ventilation unit, the first purification unit, and the second purification unit. Therefore, according to the ventilation and harmful substance removal system for restoring the inside of a pipe of the present invention, even though equipment and a worker must inevitably enter the inside of the pipe (an enclosed space) owing to the characteristics of a work, contaminants are prevented from being infiltrated into the pipe, thereby increasing safety of the worker and providing a pleasant working environment. Furthermore, an external environment is prevented from being polluted by harmful substances generated during the work.

Description

Ventilation and Hazardous Substance Removal System for Internal Rehabilitation

The present invention relates to a ventilation and harmful substance removal system for internal rehabilitation work.

In general, pipes buried in the ground to supply fluids treated for raw water, purified water, and gas used in drinking water, industry, etc. currently have a total extension of more than 10,000 km. Contaminate the fluid.

As a result, people may be harmed by polluted drinking water or gas. Therefore, the health and hygiene and safe water quality of the people should be secured and the water must be supplied in accordance with the water quality standards of the Water Act. Therefore, it can be said that improvement work of piping such as old water pipes is essential.

In particular, in the case of drinking water pipes used as drinking water, appropriate water quality standards should be maintained. Industrial water also has certain standards.

Accordingly, maintenance of old pipes is required, and there are methods of replacing pipes and maintaining (rehabilitating) existing pipes, and the latter may be preferred in terms of relatively low construction cost.

However, the rehabilitation work of old pipes (equipment and manpower is put into the pipes, such as the removal and cleaning of contaminants in the pipes and internal painting) is exposed to harmful gases by workers exposed to the inside of the pipes (enclosed space). The risk of damage is very high, and it is very important to ventilate the inside of the pipe sufficiently before worker input so that no harmful gas remains. It is necessary to continuously supply fresh air, and to wear and possess safety devices.

In addition, a pleasant working environment should be created to improve work efficiency. In this method, it is very important to properly maintain the environment such as temperature, humidity, and wind speed according to the work process inside the pipe.

In particular, it is necessary to control the environment inside the pipe because the poor adhesion, hardening, dust spray, etc. of the coating material occurs due to insufficient control of temperature, humidity, wind speed, etc. after the removal of the existing coating film during the work process.

Recently, however, casualties are under construction during the construction of similar projects. Accordingly, a system for ventilation and removal of harmful substances during comprehensive rehabilitation work is needed to secure worker safety and improve work efficiency.

Republic of Korea Patent No. 10-0949956

Therefore, the present invention has been invented to solve the problems described above, in order to ensure the safety of the worker and to improve the work efficiency, the supply of fresh air, the smoke, dust and the like removed inside the pipe, and various work processes and It controls the temperature, humidity, and wind speed inside the pipe in consideration of the environment, monitors the air condition inside the pipe in real time, and collects and removes it after collecting and removing it by inhaling fine dust, harmful gas, and odor generated during the work inside the pipe. The aim is to provide a ventilation and hazardous substance removal system for internal rehabilitation work to suppress environmental pollution.

Ventilation and harmful substances removal system for rehabilitation work inside the pipe according to the present invention for solving the above problems is connected to one side pipe of the regeneration section air supply unit for supplying air into the pipe; An exhaust part connected to the other pipe of the regeneration section to suck air in the pipe and discharge it to the outside; A first purifying unit purifying air supplied into the pipe through the air supply unit; A second purifying unit purifying the air discharged to the outside through the exhaust unit; And a control unit controlling the operation of the air supply unit, the exhaust unit, the first purification unit, and the second purification unit.

At this time, the control unit is characterized in that configured to operate or release the air supply unit, the exhaust unit, the first purification unit and the second purification unit at the same time.

The first purifying unit may include a first filter for purifying the air supplied into the pipe through the air supply unit, and a temperature and humidity control unit controlling the temperature and humidity of the air supplied into the pipe through the air supply unit. It is characterized by.

On the other hand, the inside of the pipe is further configured to monitor the internal environment of the pipe, the control unit is characterized in that it is configured to control the temperature and humidity control unit according to the internal value of the pipe environment detected by the monitoring unit.

As an example, a preliminary air supply fan may be provided in the air supply unit, and a preliminary air exhaust fan may be provided in the air exhaust unit, and the air supply unit may further include an oxygen supply unit capable of supplying oxygen into the pipe.

Ventilation and harmful substances removal system for rehabilitation work inside the pipe according to the present invention is to prevent the inflow of contaminants into the pipe due to the nature of the operation equipment and the operator is inevitable in the tube (enclosed space) to improve worker safety and Not only can provide a pleasant working environment, but also has the effect of preventing the external environment from being polluted by harmful substances generated during the work.

1 shows schematically a system according to the invention;
2 illustrates an embodiment of a system in accordance with the present invention.
3 is a view schematically showing an embodiment of the first purification unit which is one configuration of the present invention.

In describing the present invention, the term or word used in the present specification and claims is based on the principle that the inventor can appropriately define the concept of the term in order to best describe the invention of his or her own. It should be interpreted as meanings and concepts corresponding to the technical idea of

Hereinafter, with reference to the drawings will be described a preferred embodiment of the present invention.

1 is a view schematically showing a system according to the present invention, FIG. 2 is a view showing an embodiment of a system according to the present invention, and 3 is a view schematically showing an embodiment of a first purification unit which is a configuration of the present invention. It is a figure which shows.

Ventilation and harmful substance removal system for rehabilitation work in the pipe according to the present invention is used for rehabilitation inside the pipe (P) for flowing a predetermined fluid, such as aging pipe (P), the pipe is a rehabilitation section (S) Supply the purified air to one side of (P) and suck the air to the other side of the pipe (P) which is the regeneration section (S) to purify the air before being discharged to make the working environment inside the pipe (P) comfortable I can make it.

In this case, the present invention is not necessarily limited to the water supply pipe, and various types of pipes P may be applied to the present invention, in which fluids may be moved inside with various diameters.

Ventilation and harmful substances removal system for rehabilitation work inside the tube according to the present invention is the air supply unit 10, the exhaust unit 20, the first purification unit 30, the second purification unit ( 40) and the controller 50, characterized in that the configuration.

First, the air supply unit 10 is connected to one side pipe (P) of the regeneration section (S), as shown, is configured to supply air into the pipe (P), the air generated in the air supply unit 10 The flow of may be configured to be introduced into one side of the regeneration section (S) through the air supply duct (11).

At this time, the air supply unit 10 may be further configured to the noise chamber (C) in the portion connected to the air supply duct 11, which is excessive in the air supply process because the size of the air blowing during rehabilitation work There is a concern that the noise generated by providing the noise chamber (C) as described above can be blocked.

Here, as the noise chamber (C), a known sound absorbing or silencer may be applied, and a detailed description thereof will be omitted.

The exhaust unit 20 is connected to the other side pipe (P) of the regeneration section (S) as shown in Figure 1 is configured to suck the air inside the pipe (P), and to discharge to the outside, the exhaust unit ( By the action of 20, the air inside the pipe P is sucked through the exhaust duct 21, and then can be discharged to the outside.

At this time, the exhaust unit 20 may also be configured so that the noise chamber (C) is configured to block a certain amount of noise during operation as in the air supply unit (10).

And in the case of the blower configured in the air supply unit 10 and the exhaust unit 20 can be configured to automatically adjust the air volume by the inverter.

Subsequently, the first purification unit 30 is configured to purify the air supplied into the pipe P through the air supply unit 10, and the second purification unit 40 is the exhaust unit 20. It is configured to purify the discharged air before discharged to the outside through).

As shown in FIG. 3, the first purification unit 30 may include a first filter 31 and a temperature and humidity control unit 32. The first filter 31 may include the air supply unit 10. Purifies the air sucked from the outside through) to remove the soot and dust to allow the purified air to flow into the pipe (P).

The temperature and humidity control unit 32 is a cooler and a moisture absorption rotor for controlling the temperature, humidity, absolute humidity, and enthalpy of the outside air filtered through the first filter 31, and the dust is cooled and dehumidified by the cooler and the moisture absorption rotor. By constructing a heater that heats (reheats) the outside air in one piece, the inside of the pipe (P) can be created in an optimized environment according to the work process during rehabilitation work.

For example, the optimized conditions of the air discharged into the tube may be required differently depending on the type of work performed, such as washing, surface treatment, painting, etc. In the temperature and humidity control unit 32, conditions optimized for each work It is configured to vary the temperature and humidity to implement.

In addition, the second purifying unit 40 may be provided with a dust collector 41 and a deodorizer 42, and as shown in FIG. 2, a dust collector 41 is disposed between the exhaust unit 20 and the exhaust duct 21. ) Is configured to suck and collect dust or fine dust generated during the operation inside the pipe, and then the deodorizer 42 is a harmful gas remaining in the dust, the dust is filtered by the dust collector 41, The odor is removed and decomposed, and thus, the second purifying unit 40 can process the dust, fine dust, harmful gas, and odor in the pipe P in a complex manner.

At this time, the dust collector 41 may be applied to the nano dust collector 41 capable of collecting ultra-fine dust, the deodorizer 42 is a photochemical oxidation capable of removing various odors, VOCs, bacteria, viruses, mold, etc. Deodorization equipment may be applied.

Subsequently, the control unit 50 is connected to the air supply unit 10, the exhaust unit 20, the first purification unit 30 and the second purification unit 40 is configured to control each operation, an example The furnace control unit 50 may operate the above components individually, but by interlocking control so that all the components work at the same time to ensure the stability so that workers working inside the pipe (P) is not exposed to dust or harmful gas, etc. It can be seen that it is preferable to control in the direction.

At this time, the controller 50 is connected to the air supply unit 10, the exhaust unit 20, the first purification unit 30 and the second purification unit 40 as shown in Figure 1 to control the operation of each component. Also, as shown in FIG. 2, each component may be wirelessly or wired controlled through a communication network, and the administrator may control the controller 50 from the outside through a terminal (not shown) such as a smartphone or a personal PC capable of communicating with the communication network. ) Can be configured to control

In general, the rehabilitation section S may be formed in a few m to several km or more. In the controller 50, the air supply unit 10, the exhaust unit 20, and the first purification, which may be spaced apart by the several km or more, respectively, It is difficult for both sides to control at the same time when the site operator who operates the unit 30 and the second purification unit 40 to operate each device manually, so that one of the air supply unit 10 or the exhaust unit 20 is If it does not work and the flow of air in the pipe (P) is not made smoothly, the worker in the pipe (P) is in danger of being exposed to harmful environment such as dust or harmful gas.

Therefore, in the present invention, the control unit 50 may simultaneously operate the air supply unit 10 and the exhaust unit 20 at the same time through wireless communication, and operate to be released at the same time, it occurs to the worker in the pipe (P) Various safety accidents can be prevented in advance.

On the other hand, as shown in the first and other sides of the rehabilitation section (S), respectively, the first sensing unit 61 and the second that can measure the temperature, humidity, wind speed and various pollution degree inside the pipe (P) at the corresponding position The monitoring unit 60 including the sensing unit 62 may be further configured.

In this case, the first sensing unit 61 and the second sensing unit 62 are configured to measure at least one of temperature, humidity, carbon monoxide, carbon dioxide, oxygen, hydrogen sulfide, and oil vapor, and the inside of various pipes P at a corresponding point. It can be configured to detect environmental values.

In addition, the monitoring unit 60 is configured to be connected to the control unit 50 so that the control unit 50 real-time the internal environment value of the pipe P detected by the first sensing unit 61 and the second sensing unit 62. The temperature and humidity control unit 32 may be controlled in real time such that the inside of the pipe P reaches the internal environment value of the pipe P, which is set in this manner. When the degree of contamination inside is high, the operation amount of the first purification unit 30 and the second purification unit 40 is increased, and in addition, the operation amount of the air supply unit 10 and the exhaust unit 20 is automatically increased. Can play a role.

Meanwhile, as shown in FIG. 2, the air supply unit 10 is further provided with a preliminary air supply fan 12 for discharging air to the air supply duct 11, and the exhaust unit 20 has the exhaust duct 21. And a preliminary exhaust fan 22 that sucks air from the air and discharges the air to the outside, so that when the power supply unit 10 or the exhaust port is not operated due to a sudden power failure or the like, the preliminary air supply fan 12 Or the preliminary exhaust fan 22 can be operated automatically to maintain the flow of air inside the pipe P of the regeneration section S, thereby preventing workers in the pipe P from being exposed to harmful substances. You can do it.

In addition, the air supply unit 10 further comprises an oxygen supply unit 13 capable of supplying oxygen to the inside of the pipe P as shown in FIG. 2 so as to quickly supply oxygen when oxygen is insufficient in the pipe P. Safety will be double or triple protection.

In this case, an air compressor may be applied to the oxygen supply unit 13, and as illustrated, oxygen supplied from the oxygen supply unit 13 may be directly connected to the inside of the pipe P directly without passing through the air supply duct 11. The oxygen supply in the pipe (P) can be configured to be made more quickly.

Although the preferred embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

10: air supply unit 11: air supply duct
12: pre-supply fan 13: oxygen supply unit
20: exhaust 21: exhaust duct
22: preliminary exhaust fan 30: the first purification unit
40: second purification unit 50: control unit
60: monitoring unit

Claims (5)

An air supply unit connected to one pipe of the regeneration section and supplying air into the pipe;
An exhaust part connected to the other pipe of the regeneration section to suck air in the pipe and discharge it to the outside;
A first purifying unit purifying air supplied into the pipe through the air supply unit;
A second purifying unit purifying the air discharged to the outside through the exhaust unit;
A control unit for controlling the operation of the air supply unit, the exhaust unit, the first purification unit, and the second purification unit;
Ventilation and hazardous material removal system for rehabilitation work inside the pipe, characterized in that comprises a.
The method of claim 1,
The control unit
And the air supply unit, the exhaust unit, the first purifying unit and the second purifying unit configured to simultaneously operate or deactivate the ventilation and harmful substance removing system for rehabilitation of the inner pipe.
The method of claim 1,
And a first filter configured to purify the air supplied into the pipe through the air supply unit, and a temperature and humidity control unit controlling the temperature and humidity of the air supplied into the pipe through the air supply unit. Ventilation and hazardous material removal system for internal rehabilitation of pipes.
The method of claim 3, wherein
The inside of the pipe is further configured to monitor the internal environment of the pipe, the control unit is configured to control the temperature and humidity control unit according to the pipe internal environment value detected by the monitoring unit, the ventilation for internal rehabilitation work And hazardous material removal system.
The method of claim 1,
A preliminary air supply fan is provided in the air supply unit, and a preliminary air exhaust fan is provided in the exhaust unit, respectively.
The air supply unit is a ventilation and harmful substances removal system for rehabilitation work inside the pipe, characterized in that further configured to supply oxygen to supply oxygen inside the pipe.

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