JP2009121070A - Vacuum toilet system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a makeshift vacuum toilet system easily movable and installable by a simple structure and easily usable as required. <P>SOLUTION: A wastewater tank 13 of a movable toilet unit 10 is connected to a vacuum sewerage system 20 in which a vacuum pipeline (vacuum sewerage pipe) 23 communicates with a vacuum station (vacuum source) 21. Drain and waste in the wastewater tank 13 are discharged from a vacuum valve 18a and conveyed through the vacuum pipeline 23 of the vacuum sewerage system 20. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a temporary vacuum toilet system used at a disaster site or a construction site.

  2. Description of the Related Art Conventionally, a temporary vacuum toilet system that transports drainage and filth from a toilet unit by evacuating using a vacuum pump is known (see, for example, Patent Document 1).

  This temporary vacuum toilet system includes a toilet unit, a vacuum pump unit, and a generator unit.

  Here, the toilet unit is connected to the water collection tank of the vacuum pump unit via a vacuum valve and a hose in this order, and the generator unit is connected to the vacuum pump of the vacuum pump unit via a power cable. The water collection tank is connected to a vacuum pump.

  When the vacuum pump is actuated by supplying power from the generator unit, the vacuum is brought to the front of the vacuum valve via the water collection tank and the hose.

  Then, by appropriately opening the vacuum valve, waste water and filth collected in the toilet unit are conveyed to the water collection tank.

  In addition, a drain pipe that is buried in the ground in the horizontal direction and one end of which is connected to an existing sewer pipe is provided with a plurality of vertical pipes extending in the vertical direction, and a temporary installation for connecting a toilet to the tip of the vertical pipe as necessary. A toilet piping structure is also known (see, for example, Patent Document 2).

In this temporary toilet piping structure, the sewage from the toilet flows into the drainage pipe through the vertical pipe and then flows directly to the existing sewer pipe.
Japanese Patent Publication No. 6-75558 JP-A-11-107362

  By the way, in the above-mentioned temporary vacuum type toilet system, the generator unit for driving a vacuum pump was required.

  For this reason, the entire system becomes large, and it takes time and effort to move and install, and a large installation space is required.

  In addition, the generator unit can be omitted if external power supply is possible, but it is difficult to supply the power from the outside, especially at the disaster site, and it is difficult to omit the generator unit. .

  On the other hand, in the above-described temporary toilet piping structure, the drain pipe to which the vertical pipe is connected needs to be connected to the sewer pipe in advance, and it is difficult to easily move or install the drain pipe.

  Therefore, an object of the present invention is to provide a temporary vacuum toilet system that can be easily moved and installed with a simple structure and can be easily used as needed.

  In order to solve the above-mentioned problems, a vacuum toilet system according to the present invention connects a drainage tank of a movable toilet unit to a vacuum sewer system in which a vacuum sewer pipe is connected to a vacuum source, and the vacuum type The waste water and filth in the drain tank are conveyed through a vacuum valve by a vacuum sewer line of the sewer system.

  In addition, the toilet unit includes a water storage tank that communicates with a water source and communicates with the vacuum sewer system, and sucks up water from the water source through a vacuum sewer line of the vacuum sewer system. The tank may be filled with cleaning water.

  Further, the drainage tank or the water storage tank may be connected to an inspection pipeline branched from the vacuum sewer pipe.

  Further, the inspection pipe line may be branched at the distal end portion, and the toilet unit may be connected to each of the branched distal end portions.

  According to this invention, by connecting the drainage tank of the toilet unit to the vacuum sewer system laid in advance or the temporary vacuum sewer system described in Patent Document 1, the wastewater and filth of the toilet unit are passed through the vacuum valve. Therefore, it can be transported by a vacuum sewer system and does not need to be pumped like a conventional sewer connection type temporary toilet, and a toilet unit that is clean and can be used for a long time becomes possible.

  This eliminates the need for large-scale facilities and power supply devices, facilitates movement and installation with a simple structure, and allows easy installation and use of a number of temporary toilets as needed.

  In addition, water can be supplied to the water storage tank provided at the top of the toilet unit by sucking water from the water source by the vacuum generated by the vacuum sewer system, so water can be supplied to the water storage tank using an electric pump, etc. Water supply is no longer necessary, and the flush toilet can be used more easily.

  Further, by connecting the drainage tank or the storage tank to the inspection pipeline of the vacuum sewer system, it is easy to connect to the vacuum sewer system, and problems such as air leakage are less likely to occur.

  Moreover, since the front-end | tip part of the inspection pipe line branches and a toilet unit is connected to each, it becomes possible to install a some toilet unit easily as needed.

  Next, a vacuum toilet system (hereinafter referred to as a toilet system) according to the best mode for carrying out the present invention will be described with reference to the drawings.

  In the toilet system 1 according to the present invention, a movable toilet unit 10 is connected to a vacuum sewer system 20 as shown in FIG.

  The toilet unit 1 includes a toilet 11, a water storage tank 12 for supplying water to the toilet 11, a drainage tank 13 for temporarily storing drainage from the toilet 11, an enclosure 14 surrounding the toilet 11, a water supply pipe 15, The cleaning water duct 16, the water supply vacuum duct 17, and the drainage vacuum duct 18 are provided.

  The water storage tank 12 is arrange | positioned above the toilet bowl 11, and supplies water to the toilet bowl 11 by natural flow.

  The drainage tank 13 is disposed below the toilet 11, and drainage from the toilet 11 flows in by natural flow.

  The enclosure 14 surrounds the toilet 11 and is blindfolded, and an doorway with a door (not shown) is formed. In addition, here, the water storage tank 12 is installed in the upper part of the enclosure part 14, the drainage tank 13 is installed in the lower part of the enclosure part 14, and the toilet bowl 11, the water storage tank 12, the drainage tank 13, and the enclosure part 14 are united. Yes.

  The water supply pipe 15 has one end 15 a communicating with the water storage tank 12 and the other end 15 b inserted into a water source W such as a river or a pond.

  The washing water duct 16 communicates the lower surface 12a of the water storage tank 12 and the toilet bowl 11, and a washing water valve 16a is provided at an intermediate portion. By opening and closing the flush water valve 16a, the water in the water storage tank 12 that naturally flows down is adjusted.

  The water supply vacuum duct 17 communicates the inside of the water storage tank 12 and the intermediate portion of the drainage vacuum duct 18, and a water supply valve 17a is provided in the intermediate portion. By opening the water supply valve 17 a, the water storage tank 12 communicates with the vacuum sewer system 20 through the drainage vacuum duct 18, and water is supplied through the water supply pipe 15.

  The vacuum duct 18 for drainage connects the inside of the drainage tank 13 and the vacuum sewer system 20, and a vacuum valve 18 a is provided in the middle part. Here, the vacuum valve 18 a is located on the inner side of the drainage tank 13 than the portion 18 b to which the water supply vacuum duct 17 is connected. When the vacuum valve 18a is opened, the drainage tank 13 communicates with the vacuum sewer system 20, and wastewater and filth in the drainage tank 13 are conveyed downstream through a vacuum sewage pipe 23 described later.

  The drainage vacuum duct 18 is connected to a later-described inspection pipeline 25 of the vacuum sewer system 20.

  As shown in FIG. 2, the vacuum sewer system 20 includes a vacuum station (vacuum source) 21, a vacuum valve unit 22, a vacuum pipe (vacuum sewer pipe) 23, and the like.

  The vacuum station 21 has a vacuum pump and a pressure feed pump (not shown). The vacuum station 21 evacuates the vacuum line 23 and pumps the sewage in the vacuum line 23 to the sewage treatment plant G.

  The vacuum line 23 is buried in the ground and connects the vacuum station 21 and the vacuum valve unit 22, and the inside of the vacuum line 23 is kept in a vacuum.

  The vacuum valve unit 22 includes a storage unit (not shown) that temporarily stores sewage discharged from the equipment S of each home or factory, and a vacuum valve unit (not shown) that opens and closes the vacuum line 23. Have. The front end of the vacuum line 23 is inserted into the storage part, and the sewage in the storage part is sucked into the vacuum line 23 by opening the vacuum valve part.

  The vacuum valve unit 22 is connected to the facility S via the inflow pipe 24. The sewage from the facility S flows through the inflow pipe 24 by natural flow and flows into the storage part of the vacuum valve unit 22.

  Further, inspection pipes 25,... Are branched at regular intervals in the intermediate part of the vacuum pipe 23. Each inspection pipeline 25 is for inspecting whether or not a vacuum leak has occurred at the time of laying the pipeline, and is usually provided with a valve. A tip opening (tip portion) 25a of the inspection conduit 25 is located near the ground surface and is normally sealed by a lid (not shown).

  Next, the operation of the toilet system 1 according to the present invention will be described.

  To install the toilet system 1, first, the toilet unit 10 is transported to a place where toilet facilities are urgently needed such as a construction site or a disaster site.

  At this time, the toilet unit 10 has a toilet 11, a water storage tank 12, a drainage tank 13, and an enclosure 14, and has a simple structure without electric power equipment and the like, so that it is easy to carry and install.

  Then, one end 15 a of the water supply pipe 15 is inserted into the water storage tank 12, and the other end 15 b is inserted into a nearby water source W.

  Further, the drainage vacuum duct 18 is covered with a cover (not shown) of the inspection pipe 25 that is branched from the vacuum pipe 23 of the vacuum sewer system 20 that has been laid in advance, and the leading end of the inspection pipe 25 is opened. Connect to the unit 25a.

  The cleaning water duct 16 and the water supply vacuum duct 17 are previously piped in the toilet unit 10.

  Then, the water supply valve 17a is opened while the flush water valve 16a and the vacuum valve 18a are closed.

  As a result, the vacuum sewer system 20 and the water storage tank 12 communicate with each other, the inside of the water storage tank 12 is evacuated by the vacuum generated by the vacuum sewer system 20, and the water from the water source W can be sucked up through the water supply pipe 15.

  Thus, by sucking up water by the vacuum generated by the vacuum sewer system 20, water supply to the water storage tank 12 using a water supply vehicle or the like, or water supply using an electric pump or the like becomes unnecessary, and it can be used more easily. It becomes possible.

  When the water storage tank 12 becomes full, the water supply valve 17a is closed, and the toilet unit 10 is in use.

  Further, when the toilet 11 is used, the flush water valve 16a is opened, and the toilet 11 is washed by allowing the water in the water storage tank 12 to flow down. The drainage generated at this time flows into a drainage tank 13 installed below the toilet 11 by natural flow. The washing water valve 16a is closed when a certain amount of water flows down, and the supply of water from the water storage tank 12 is stopped.

  On the other hand, when the amount of drainage stored in the drainage tank 13 reaches a certain amount, the vacuum valve 18a detects a certain water level and opens it. At this time, since the water supply valve 17a is closed, the vacuum sewer system 20 and the drainage tank 13 communicate with each other, and the wastewater and dirt stored in the drainage tank 13 are vacuumed by the vacuum generated by the vacuum sewer system 20. It is sucked into the station 21 and conveyed.

  As described above, the toilet unit 10 can be easily used as needed even without a power supply facility or a vacuum device for each toilet unit 10.

  In the above-described embodiment, the drainage vacuum duct 18 is connected to the inspection pipeline 25.

  Accordingly, the drainage vacuum duct 18 can be easily connected to the vacuum sewer system 20 without causing problems such as air leakage in the vacuum pipe line 23.

  As mentioned above, although embodiment concerning this invention has been explained in full detail with drawing, a concrete structure is not restricted to the above-mentioned embodiment. Design changes and the like within the scope not departing from the gist of the present invention are included in the present invention.

  For example, the tip opening 25a of the inspection pipe 25 may be branched in advance, and the toilet unit 1 may be connected to each of the branched tip opening 25a.

  Thereby, it becomes possible to install the some toilet unit 1 as needed.

  Even if the inspection pipeline 25 is not branched in advance, a branch duct is connected to the tip opening 25a of the inspection pipeline 25, and the plurality of toilet units 1 are connected to the vacuum sewer system 20 via the branch duct. It can also be connected.

It is the schematic which shows the structure of the vacuum type toilet system which concerns on this invention. It is explanatory drawing which shows a vacuum type sewer system.

Explanation of symbols

10 Toilet unit 13 Drain tank 18a Vacuum valve 20 Vacuum sewer system 21 Vacuum station (vacuum source)
23 Vacuum pipe (vacuum sewer pipe)

Claims (4)

A drainage tank of a movable toilet unit is connected to a vacuum sewer system in which a vacuum sewer pipe is connected to a vacuum source,
A vacuum toilet system for transporting wastewater and filth in the drainage tank through a vacuum valve by a vacuum sewer line of the vacuum sewer system. The toilet unit includes a water storage tank connected to a water source and connected to the vacuum sewer system at an upper part,
The vacuum toilet system according to claim 1, wherein the water in the water source is sucked up by the vacuum sewer line of the vacuum sewer system and the water storage tank is filled with cleaning water.   The vacuum toilet system according to claim 2, wherein the drainage tank or the water storage tank is connected to an inspection pipeline branched from the vacuum sewer pipe. The vacuum toilet system according to claim 3, wherein a tip end portion of the inspection pipe line is branched, and the toilet unit is connected to each of the branched tip end portions.

Images