JP6082983B2 - Piping odor leakage prevention method and aerosol used therefor - Google Patents

Description

  The present invention relates to a piping odor leakage prevention method capable of preventing the generation of odor associated with various piping works and the like, and an aerosol used therefor.

  For example, in various types of piping maintenance work and renovation work such as toilets and kitchens, a foul odor may leak from the pipes, causing trouble for workers. Then, the opening part of piping was covered with the sealing member or the bag-shaped member, and the leakage of the odor was aimed at.

  However, there is a problem that an extra work for attaching the seal member or the bag-like member occurs, a problem that the seal member or the like is removed after the work is completed, and dust is generated. Further, the sealing member and the bag-like member have a problem that it is difficult to completely prevent odor leakage.

On the other hand, as shown in Patent Document 1 and Patent Document 2, a mousse-like foam body is formed by jetting using aerosol, and the odor is prevented from leaking by covering the origin of malodor with this foam body. Has been developed and put into practical use.
However, those described in Patent Document 1 and Patent Document 2 directly form a foam by spraying on the outer surface of the malodor generation source, or spray the foam on the surface of the water surface including the malodor generation source. The presence of a solid or liquid for holding the foam was indispensable.

As a result, in the case of pipe maintenance work and renovation work such as toilets and kitchens, the inside of the pipe is hollow and there is no liquid or the like that holds the foam. It became impossible and could not be used.
Accordingly, it has been desired to develop a new method for preventing odor leakage of pipes that can prevent odors in the pipes from leaking to the outside in various pipe maintenance works and renovation works such as toilets and kitchens.

JP 2001-19922 A Japanese Patent Laid-Open No. 2001-112858

  The present invention solves the problems as described above, and a foam block that can remain in the middle of a pipe passage even when the inside of the pipe is hollow for pipe maintenance work, renovation work such as a toilet or kitchen. The present invention has been completed for the purpose of providing a pipe odor leakage prevention method that can form a body and prevent the odor in the pipe from leaking to the outside and the aerosol used therefor.

  The pipe odor leakage prevention method of the present invention made to solve the above problems is filled with a foam-forming aerosol composition containing 70-80% by weight of a surfactant and the balance being a propellant. The aerosol composition sprays the aerosol composition toward the inside of the pipe to form a non-breathable foam block that can stay in the middle of the pipe passage. It is characterized by preventing leakage to the outside.

  The foam block is preferably washable with water, and this is the invention according to claim 2.

  Further, the surfactant is preferably an aliphatic amine derivative, and the propellant is preferably a liquefied gas.

  Furthermore, the aerosol used in the method for preventing odor leakage of piping as described above is filled with a foam-forming aerosol composition containing 70-80% by weight of a surfactant and the balance being a propellant. In addition, the present invention is characterized in that a foam block body having no air permeability is formed in the middle of the pipe passage, and this is the invention according to claim 4.

  In the invention which concerns on Claim 1, the said aerosol composition is contained in piping by the aerosol filled with the aerosol composition for foam formation which contains 70-80% of surfactant by mass%, and makes the remainder a propellant. Since the non-breathable foam block body that can be sprayed and stayed in the middle of the pipe passage is formed, the foam block body staying in the middle so as to block the pipe passage may cause odor in the pipe. Can be surely prevented from leaking to the outside without causing the operator to feel uncomfortable, and it is also possible to prevent the generation of off-flavors in the surrounding areas. Moreover, there is no need to prepare a sealing member or bag-like member as in the prior art, and even if the inside of the pipe is hollow, a foam block can be reliably and easily formed at any place, so pipe maintenance work and It can also be used for renovations such as toilets and kitchens.

  In the invention according to claim 2, since the foam block body can be washed away with water, it can be easily washed away with water after the construction is completed, and it is easy to clean up without generation of dust. Can do.

  In the invention according to claim 3, since the surfactant is an aliphatic amine derivative and the propellant is a liquefied gas, it can be made inexpensive.

  Moreover, in the invention which concerns on Claim 4, it is an aerosol used for the odor leak prevention method of the piping in any one of Claims 1-3, Comprising: 70-80% of surfactant is contained by mass%, Filled with foam forming aerosol composition with the remainder as propellant, can stay in the middle of the pipe passage and easily form a foam block without air permeability, and has excellent workability, Also, the construction cost can be reduced.

It is explanatory drawing which shows embodiment of this invention. It is explanatory drawing which shows the state which flushes the foamy block body of this invention.

Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is an explanatory view showing an embodiment of the present invention, in which 1 is an aerosol container and 2 is a tube attached to a nozzle of the aerosol container 1. Reference numeral 3 denotes a pipe which is a target of maintenance work, renovation work such as a toilet or kitchen, and the inside is hollow.
In the illustrated example, the pipe 3 is installed vertically with the upper end being an opening 3a, and the substance that is the source of odor is on the lower side of the pipe 3 (not shown). Of course, it may be installed diagonally.

  In the present invention, by the aerosol, the aerosol composition is sprayed toward the inside of the pipe 3 to form a foam block body 4 that can remain in the pipe passage and has no air permeability. This foam block body 4 prevents the odor in the pipe 3 from leaking to the outside.

The aerosol composition contains 70 to 80% by weight of a surfactant, with the balance being a propellant.
The surfactant is a foaming component of mousse-like foam, and forms a foam block 4 having no air permeability. Since it is necessary to stay inside the hollow pipe, it requires a certain level of hardness unlike conventional mousse-like bubbles. Therefore, a content of 70% or more by mass% is necessary. If it is less than 70%, it is difficult to stay inside the pipe. On the other hand, as described later, it is necessary to make the content 80% or less by mass% so that it can be easily washed away with water after use. It is because it will become difficult to wash away with water when more than 80%.
Specifically, the surfactant is an aliphatic amine derivative or the like. For example, as a commercial product, a trade name “Sunform P-30” manufactured by Sugimura Chemical Co., Ltd. having an aliphatic amine derivative as a main component can be exemplified.

The remainder of the aerosol composition is a propellant and uses general liquefied gas (LPG), but may be carbon dioxide or nitrogen.
In addition, an appropriate amount of a deodorant, a fragrance, a colorant, or the like can be added according to the purpose of use.

As shown in FIG. 1, the aerosol composition is sprayed from the opening 3a toward the inside of the pipe 3, thereby closing the pipe 3 and remaining in the middle of the passage to form a foam block 4 having no air permeability. . The foam block 4 prevents the odor in the pipe 3 from leaking to the outside.
Unlike the conventional mousse-like foam, the foam block 4 has a certain hardness or more and maintains a state of being firmly held inside the pipe 3 without collapsing. As a result, the odor on the lower side of the pipe 3 is shielded by the foam block 4 and does not move further upward, so that the odor does not leak from the opening 3a and can be prevented from adversely affecting the operator. .

Next, as shown in FIG. 2, since the foam block body 4 can be washed away with water, after completion of the construction work, the foam block body 4 can be removed by pouring water through the opening 3a. Can be easily washed away.
Thereby, the piping 3 can be made to communicate again. In addition, since a sealing member or the like for sealing the opening is not used as in the prior art, excellent workability can be exhibited without causing the problem of the removal operation and generation of dust.

As described above, the aerosol of the present invention used in the method for preventing odor leakage of piping is filled with an aerosol composition for foam formation containing 70-80% by mass of a surfactant and the balance being a propellant. It is characterized by being.
In order to remain in the middle of the pipe passage and form a non-breathable foam block, it is necessary to fill the surfactant in a large amount of 70 to 80% by mass. As a result, a foamed block body that remains inside the hollow pipe and has no air permeability is formed to completely prevent the odor in the pipe from leaking to the outside.

It has been confirmed that the foam block formed by the present invention can be held for 2 days after jetting, and that it can be easily washed away by subsequent water washing.
Therefore, it is possible to perform piping maintenance work and renovation work such as toilets and kitchens during this period, and it is possible to improve the working environment without leakage of odors. In addition, only one aerosol container is carried around, and no waste such as a sealing member is discharged, and excellent workability can be exhibited.

DESCRIPTION OF SYMBOLS 1 Aerosol container 2 Tube 3 Piping 3a Opening part 4 Foam block body

Claims (4)

  The aerosol composition is injected toward the inside of the pipe by an aerosol filled with a foam-forming aerosol composition containing 70 to 80% by weight of a surfactant and the balance being a propellant. Odor leakage of piping characterized by forming a non-breathable foam block that can stay in the middle and preventing the odor in the piping from leaking outside by this foam block Prevention method.   The method for preventing odor leakage of piping according to claim 1, wherein the foam block is washable with water.   The method according to claim 1 or 2, wherein the surfactant is an aliphatic amine derivative and the propellant is a liquefied gas.   It is an aerosol used for the odor leak prevention method of piping in any one of Claims 1-3, Comprising: It contains 70 to 80% of surfactant by mass%, and is for foam formation which uses the remainder as a propellant. An aerosol, which is filled with an aerosol composition and remains in the middle of a pipe passage to form a non-breathable foam block.

Images