JP2010121276A - Urinal system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a urinal system which reduces clogging caused by the accumulation of foreign matter, the adhesion of a urinary calculus, etc. in horizontal drain piping, while striving for water saving. <P>SOLUTION: This urinal system includes a urinal, urinal piping which is provided with the horizontal drain piping connected to a drain outlet of the urinal, and a tank which is provided on the upstream side, with respect to the urinal, of the urinal piping. The urinal system removes the foreign matter in the horizontal drain piping by discharging flushing water from the tank. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to a urinal system that reduces clogging due to urine stone adhesion in a horizontal drainage pipe of a urinal in a toilet space in which urinals are connected to a public facility or the like.

  Conventionally, in the horizontal drainage pipes of urinals, the gravity flow type with a gradient of 1/50 or 1/100 has been used, and the amount of flushing water from the urinal can be saved to the minimum amount. As a result, the inner surface of the pipe is cleaned and filth is transported with a small amount of water.

  According to Patent Document 1, there is provided a system for flushing dirt, foreign matter, urine stones and the like accumulated in a pipe by flowing a large amount of water into a horizontal drainage pipe of a toilet. Patent Document 2 also proposes a method of removing clogs and preventing clogging by flowing pressurized water through a drain pipe.

JP 2001-303639 A JP 2008-25245 A Japanese Patent No. 3480173

Since the amount of flushing water in conventional urinals is reduced to the limit, accumulation of foreign matters and generation of urine stones are problematic in the horizontal drainage pipe.
The mechanism of urine stone adhesion to the horizontal drainage pipe is considered as follows. When urination is performed on the toilet, urine flows into the horizontal drainage pipe, and the urine stays in the retained water in the horizontal drainage pipe. At this time, in the toilet bowl that is water-saving, the urine stays in the horizontal drainage pipe while maintaining a high concentration without being diluted by the drainage.
In general, bacteria such as Neisseria gonorrhoeae exist in toilet bowls and horizontal drainage pipes. Urine contains a large amount of urea, but if bacteria are present in the accumulated water inside the horizontal drainage pipe, urea is decomposed into ammonia and carbon dioxide by the action of enzyme urease contained in the bacteria. If the amount of ammonia produced at this time is large, it will contribute to odor. When ammonia is generated, it dissolves in the liquid adhering to the inside of the horizontal drainage pipe or the accumulated water in the toilet, and the pH of the liquid rises. When the pH rises, the calcium ions contained in the liquid adhering to the inside of the horizontal drainage pipe and the accumulated water in the toilet bowl are transformed into carbonates and phosphates and deposited as urine stones in the horizontal drainage pipe. It will stick and cause clogging.

  In order to solve such a problem, flowing a large amount of water into the horizontal drainage pipe several times contradicts the original purpose of water saving. Even if the wastewater in the urinal is saved, if a large amount of water is poured into the horizontal drainage pipe, it must be said that it has fallen.

  In addition to the above, as a problem specific to the urinal, there is a problem that the sealing surface of the urinal is very small, and if a large amount of water is flowed vigorously, it flows out from the overflow surface of the urinal. That is, in the urinal horizontal drainage pipe, it is not practical to flow a large amount of water from the upstream of the toilet bowl even if water saving is not desired.

  Therefore, an object of the present invention is to provide a urinal system that reduces clogging due to foreign matter accumulation, urine stone adhesion, and the like in the horizontal drainage pipe while saving water.

  In order to solve the above-described problems, according to one aspect of the present invention, a urinal, a urinal pipe having a horizontal drainage pipe connected to a drain outlet of the urinal, and the urinal of the urinal pipe A urinal system comprising: a tank provided on a more upstream side, and removing foreign matter in the horizontal drainage pipe by discharging wash water from the tank.

  ADVANTAGE OF THE INVENTION According to this invention, the urinal system which can achieve water-saving without flowing wasteful water, suppressing accumulation of the filth and urine stone in a horizontal drainage pipe is provided.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of the invention will be described with reference to the accompanying drawings. In order to facilitate the understanding of the description, the same components in the drawings are denoted by the same reference numerals as much as possible, and redundant description will be omitted.

FIG. 1 shows a schematic configuration diagram of a urinal system according to the first embodiment of the present invention.
In the present embodiment, a plurality of urinals 5 are arranged in a row, and the drains of the respective urinals 5 are joined to the horizontal drainage pipe 6 via a flange and a piping member. A rising portion of the pipe is provided on the upstream side of the joint portion of the horizontal drainage pipe 6 with the urinal, and a tank unit is provided thereon. The tank unit includes a primary electromagnetic valve 2, a controller 3, and a tank 4. The water supply pipe 13 is connected to the tank 4 and the plurality of urinals 5, and can supply water to the tank 4 and the plurality of urinals 5. Further, each urinal 5 is provided with a washing flush valve 7.

  If the slope of the horizontal drainage pipe can be made large, foreign matter and urine will hardly remain on the bottom of the pipe, and deposits derived from urine will also be difficult to stack, but a urinal with a low drainage outlet will be connected by a horizontal drainage pipe on the floor, In order to secure as many connected numbers as possible, it is usually difficult to take a gradient higher than this, and a normal horizontal drainage pipe has a water gradient of 1/50 or 1/100.

  When using a normal urinal, the cleaning flush valve 7 is opened at a predetermined timing to clean the bowl surface of the urinal. At this time, the primary solenoid valve 2 is in a closed state. The predetermined timing may be, for example, a preset time interval, or may be a time when the use frequency of the urinal is counted and a certain count is reached. Or you may set so that it may wash | clean for every specification.

  When the set time preset in the controller 3 is reached, the primary solenoid valve 2 is opened, and water is supplied from the water supply pipe 13 to the tank 4. When a certain amount of water accumulates in the tank 4, the primary solenoid valve 2 is closed to stop water supply. After the water supply is stopped, the drain valve provided in the tank 4 is opened, and the cleaning water is supplied to the horizontal drainage pipe 6. By the discharge of the washing water, the foreign matter staying in the horizontal drainage pipe can be pushed away.

  As the set time set in advance in the controller 3, it is conceivable to set a predetermined time in a time zone in which the user of the urinal stops. Even if the foreign matter is removed by washing from the tank during a period when the urinal is used frequently, there is a possibility that another foreign matter may stay in the horizontal drainage pipe 6 immediately after washing, This is inefficient from the viewpoint of saving water because it requires washing once. In addition, since the toilet bowl is not washed during the time when the user of the urinal is cut off, the supply of water to the horizontal drainage pipe 6 is lost, and the urine pool is left in the same state for a long time. There is a risk that the activity will increase and the urine stone stacking speed will increase. In particular, when the foreign matter remains, the foreign matter becomes an obstacle, so sewage containing urine stays in the vicinity of the foreign matter for a long time, which may cause urinary stones. Therefore, after entering the time period when the user is interrupted, foreign substances in the horizontal drainage pipe 6 can be removed by discharging a large flow of cleaning water from the tank toward the horizontal drainage pipe. The horizontal drainage pipe 6 can be kept in a clean state during the time when it is interrupted.

For example, if it is an installation place such as a station building, the user will be interrupted during the time period from the last train to the first train, so one day stayed by supplying cleaning water from the tank at a predetermined time after the last train. The foreign matter can be removed by one cleaning, and effective pipe cleaning can be performed from the viewpoint of saving water and preventing urine stones.
Similarly, if it is a commercial facility, from closing to opening, if it is a school, from after school to school hours, if it is a company, if it is a time period between the end of work and the start of work, the user will be disconnected, so one day's foreign objects will be removed. Can be removed with a single wash.
Furthermore, since urine and washing water do not flow into the horizontal drainage pipe 6 for a long time, it becomes possible to keep the sterilized state with the sterilizing water for a long time, which is effective.

FIG. 2 is a schematic configuration diagram of a urinal system according to a second embodiment of the present invention.
In the embodiment shown in FIG. 2, the electrolysis apparatus 1 is provided at the end of the flow path of the primary electromagnetic valve 2, and the electrolysis apparatus is opened at the same time as the primary electromagnetic valve 2 is opened again after the water discharge from the tank described above. By energizing between the electrodes of 1, sterilizing water having sterilizing power is generated and stored in the tank 4. When a certain amount has accumulated, the primary solenoid valve 2 is closed to stop water supply, and at the same time, energization between the electrodes is stopped. Next, the drain valve of the tank 4 is opened, and the sterilizing water is pushed into the horizontal drainage pipe 6 to coat the pipe surface with the sterilizing water. As a result, the remaining bacteria are also killed, and the source of the dirt is prevented from being formed before the user comes again.

  In the present embodiment, the drainage flow path of the pipe connecting the urinal and the horizontal drainage pipe has a positive gradient. That is, the urinal itself is not provided with a trap, and further, there is no eye plate for closing the drainage port. In an environment where there are an unspecified number of users, there is a high probability that foreign matter will enter the urinal drain, and if left unattended, it will block the opening of the eye plate and hinder drainage capacity, making it difficult to draw water May be. In order to prevent this, if a foreign object is collected at each cleaning operation, there is a problem that if there are a large number of instruments, it will be very time-consuming and work efficiency will deteriorate. However, it is possible to reduce the load of the cleaning work by not providing the trap or the eye plate of the urinal itself.

  By applying the present invention to the urinal system having such a configuration, even if a large amount of foreign matter enters the horizontal drainage pipe 6, the horizontal drainage pipe can be regularly washed away by urging the generated urine stones. 6 can reduce the possibility of clogging of the traps of each toilet while reducing the occurrence of clogging and odor, and can reduce the time and effort required to periodically remove foreign matter in the horizontal drainage pipe 6.

FIG. 3 is a schematic configuration diagram of a urinal system according to a third embodiment of the present invention.
The embodiment shown in FIG. 3 does not include the electrolyzer 1 that generates sterilizing water in the flow path, but has a configuration in which the electrode 16 of the electrolyzer is inserted into the stored water in the tank 4. In this embodiment, the operation of the water stored in the tank 4 for the first time is the same as the configuration shown in FIG. 1, and in the second operation, the primary electromagnetic valve 2 is opened and water is stored in the tank 4 from the water supply pipe 10. When a certain amount of water is accumulated, the primary solenoid valve 2 is closed to stop the water supply. At the same time, electricity is applied between the electrodes submerged in the water in the tank, and the water itself is changed to sterilized water. Energization is stopped after a certain period of time, the tank drain valve is opened, and sterilized water is allowed to flow through the horizontal drainage pipe 6.

FIG. 4 is a schematic configuration diagram of a urinal system according to a fourth embodiment of the present invention.
In the embodiment shown in FIG. 4, the electrolyzer 1, the primary electromagnetic valve 2, the controller 3, and the tank 4 are arranged behind the ceiling. The rising portion of the pipe provided upstream from the joint of the horizontal drainage pipe 6 with the urinal is joined to the tank 4 on the back of the ceiling, and the exposed part is covered with the pipe cover 11. By adopting such a configuration, the present invention can be implemented even when the piping space is narrow and the tank 4 cannot be disposed at the same height as the urinal 5.

FIG. 5 is a schematic configuration diagram of a urinal system according to a fifth embodiment of the present invention.
In the embodiment shown in FIG. 5, the pipe passing through the electrolysis apparatus 1 is branched to the joint portion to the tank side and the washing pipe of each urinal. When the primary electromagnetic valve 2 is opened, electricity is applied between the electrodes of the electrolysis apparatus 1 at the same timing, and simultaneously, the secondary electromagnetic valve 9 is opened to discharge the sterilizing water to the urinal. By performing sterilization water washing in order of each urinal, sterilization in the urinal trap is performed, and the formation of the source of dirt here is prevented. After all the urinals have been washed, the secondary solenoid valve 8 at the base of the tank is opened to generate sterilizing water in the tank, which is then flowed into the horizontal drainage pipe 6 and is the source of all contamination. Can be sterilized.

  The raw water of the water supply pipe 10 may be reclaimed water other than tap water. By storing and reusing drainage and rainwater from the washbasin in the same toilet, it leads to effective utilization of water resources.

  The sterilizing water in the present invention may be any liquid as long as it has a sterilizing action. As an example, there is a system in which ions are generated by an electrolysis apparatus as described in the embodiment. An example of the sterilizing water to be generated is one that utilizes chlorine remaining in tap water.

  In addition to water containing free chlorine, water containing bound chlorine (eg, monochloramine, dichloramine, etc.), ozone-containing water (eg, generation of ozone by silent discharge in water or generation of ozone in water by electrolysis of water) The obtained ozone-containing water) and water containing antibacterial metal ions (for example, silver ions, copper ions, zinc ions, etc.) (PCT / JP95 / 01650) can also be used as sterilizing water.

  When free chlorine-containing water is used as sterilizing water, the concentration of free chlorine should be 0.1 mg / liter or more, preferably 0.5 mg / liter or more. The inner surface of the drain pipe 6 is sufficiently sterilized. Therefore, the increase and fixation effect of urease based on the action of viable bacteria is effectively suppressed, the increase in pH due to the dissolution of ammonia is suppressed and adhesion of uric stone is prevented, and the cause of odor is also prevented.

  Further, when ozone-containing water is used as sterilizing water, the ozone concentration in the ozone-containing water is 0.01 mg / liter or more, preferably 0.05 mg / liter or more. And the inner surface of the horizontal drainage pipe 6 is sufficiently sterilized. Therefore, the increase and fixation effect of urease based on the action of viable bacteria is effectively suppressed, the increase in pH due to the dissolution of ammonia is suppressed and adhesion of uric stone is prevented, and the cause of odor is also prevented.

  When the antibacterial metal ions are silver ions, when the silver ion concentration is 1 μg / liter or more, preferably 10 μg / liter or more, the liquid containing silver ions is mixed with the water retained in the toilet and maintained for a predetermined time. Thus, the accumulated water in the horizontal drainage pipe 6 is effectively sterilized. Therefore, the increase and fixation effect of urease based on the action of viable bacteria is effectively suppressed, the increase in pH due to the dissolution of ammonia is suppressed and adhesion of uric stone is prevented, and the cause of odor is also prevented.

  Here, antibacterial metal ions have a low antibacterial ability due to instantaneous contact compared to free chlorine and ozone, but have a long antibacterial life and an excellent antibacterial property by increasing the action time. If it is used in a mode in which the staying water in the drain pipe 6 is maintained for a predetermined time, viable bacteria are reduced in a small amount, and adhesion of urine stones and the like are preferable.

  Examples of sterilizing water other than those described above and methods for producing the same include a method of mixing a sterilizing agent into a tank.

When electrolytically mixing antibacterial metal ions in water, in order to elute the concentration necessary for sterilization, it is necessary to apply a larger current between the electrodes as the flow rate of the mixed water increases. By taking a system for storing sterilized water in the tank, it is possible to perform electrolysis at a low flow rate, and to minimize electric energy.
In addition, even when a drug is mixed, there is an advantage that a solution with a constant concentration can be obtained more reliably than when a drug is mixed into running water.

  Since the water stored in the tank obtains a water force with potential energy due to gravity drop and flows down the horizontal drainage pipe 6, it can be constructed as a system that does not use another energy source such as a pump. Further, it is possible to flow down the horizontal drainage pipe 6 with a constant water pressure without depending on the water pressure of the supplied water.

FIG. 6 shows one embodiment of the tank unit. When the predetermined timing set in advance is reached, the primary electromagnetic valve 2 is opened in response to a signal from the controller 3, and water is supplied into the tank. When the amount of water in the tank reaches a certain amount, the float of the ball tap 19 is raised and water is automatically stopped. A signal is sent from the controller to automatically open and close the cleaning lever 17 after the timing when the water has accumulated in the tank and stopped, and the water in the tank is discharged into the horizontal drainage pipe 6.
When the sterilizing water is discharged for the second time, when the primary electromagnetic valve 2 is opened, a predetermined current is supplied between the electrodes at the same timing, and the current supply is stopped in accordance with the timing when the ball tap is used to stop the water.

A float switch may be used for detection and control of the water level in the tank.

Schematic configuration diagram of a urinal drain pipe that is the first embodiment of the present invention The schematic block diagram of the urinal drain pipe which is a 2nd Example of this invention Schematic configuration diagram of a urinal drain pipe that is a third embodiment of the present invention Schematic configuration diagram of a urinal drain pipe that is the fourth embodiment of the present invention Schematic configuration diagram of a urinal drain pipe that is a fifth embodiment of the present invention Example of tank unit

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Electrolyzer 2 ... Primary solenoid valve 3 ... Controller 4 ... Tank 5 ... Urinal 6 ... Horizontal drainage piping 7 ... Cleaning flush valve 8 ... Automatic flush valve 9 for urinals ... Secondary solenoid valve 13 ... Feed water piping 14 ... Piping cover 15 ... Ceiling 16 ... Electrode 17 ... Cleaning lever 18 ... Drain valve 19 ... Ball tap

Claims (5)

A urinal,
A urinal pipe provided with a horizontal drainage pipe connected to the drainage port of the urinal;
A tank provided upstream of the urinal of the urinal piping,
A urinal system, wherein foreign matter in the horizontal drainage pipe is removed by discharging flush water from the tank. After discharging the washing water from the tank,
The urinal system according to claim 1, wherein sterilizing water is allowed to flow into the horizontal drainage pipe. The urinal system according to claim 1 or 2, wherein the flushing water from the tank is discharged at a predetermined time. The urinal system according to claim 3, wherein the setting change of the predetermined time is possible. The urinal system according to any one of claims 1 to 4, wherein a drainage flow path of a pipe connecting the urinal and the horizontal drainage pipe has a positive gradient.

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