JPH0554552U - Pump circulation type rust preventive agent supply device - Google Patents

Abstract

(57) [Summary] [Object] The present invention relates to a device for adding a rust preventive agent to a water supply device of a building, and in particular, a city water stored in a receiving tank is pumped to add a rust preventive agent. The present invention relates to a rust preventive agent supply device that returns the water to the water receiving tank again, and does not have a pressure resistant structure in which the capacity of the rust preventive agent feeder is variable and the supply amount of the rust preventive agent is appropriately controlled. . [Structure] This device is a device that is compactly and integrally housed in a movable and installable box (2) having a water inlet and a water outlet, and a pump (3) for sucking water in a water receiving tank. A pump suction control device (4) and a rust preventive agent feeder (5) consisting of a vinyl chloride or acrylic water tank containing a rust preventive. The city water introduced from the water receiving tank is introduced from the bottom of the rust preventive agent supply device, touches the solid rust preventive agent in the rust preventive agent supply device, and the solid rust preventive agent is taken into the city water over time. The city water that has been dissolved and to which the anticorrosive agent has been added is returned to the water tank by the pump.

Description

[Detailed description of the device]

[0001]

[Industrial application]

 This invention applies rust preventives to water supply devices such as condominiums, apartments, and other housing complexes, office buildings, hotels, urban buildings such as theaters, factories, various facilities such as farms, hospitals, schools, public facilities such as city halls, etc. More specifically, the present invention relates to a rust preventive agent supply device that can adjust the capacity of the rust preventive agent feeder and appropriately adjust and control the supply amount of the rust preventive agent.

[0002]

[Prior Art]

 Rust and scale adhere to the inner wall of the water supply pipe in the building in the water supply system of various buildings such as apartment houses, buildings, hospitals, schools, etc. where the water supply system does not have a rust preventive supply mechanism. As a result, drinking water was polluted and so-called red water (water containing red rust) was generated, or the flow of water in the drain pipe was obstructed.

A rust preventive agent for water supply is added in the process of introducing city water into a building so that red rust is prevented from occurring, high-quality safe tap water is secured, and stable water pressure can be supplied. Is being done.

As an apparatus for adding a rust preventive agent to city water, rust preventive is used while the city water is stored in a receiving tank and then pumped up to a high water tank installed on the roof of a building by a suction pump or the like. A device for arranging an agent supply device and adding a rust preventive agent to city water has been popular and used.

As for other rust preventive agent adding device, the applicant of the present application has disclosed it in “Rust preventive agent adding system for water supply” filed in Japanese Patent Application No. 2-243809 in September 1990. As described above, there is disclosed a structure in which the water receiving tank is divided into two tank types and the rust preventive agent adding device is installed in the city water passage of the partition member.

[0006]

[Problems to be solved by the device]

 In the structure in which the rust preventive agent supply device is placed between the elevated water tank and the water receiving tank on the ground, a high pressure (5 kg / cm square) is applied to the rust preventive agent feeder depending on the height of the building (position of the elevated water tank). Since it takes 10 to 10 kg / cm2), it was necessary to make the rust preventive agent feeder a pressure resistant structure, which made the entire device large and caused problems in the installation place, and also the equipment itself was expensive. There was an inevitable drawback.

In addition, in the structure having a two-tank type water receiving tank and arranging the rust preventive agent supply device in the passage of city water, the device itself is inexpensive, but There was a drawback that the amount could not be controlled freely.

The present invention is a system that does not require a pressure resistant structure, which solves the above-mentioned problems, and draws city water stored in a water receiving tank with a pump to add a rust preventive agent to receive water again. It is an object of the present invention to provide a rust preventive agent supply device that is returned to the tank and in which the rust preventive agent supply amount can be easily adjusted and controlled.

[0009]

[Means for solving problems]

 In order to achieve the above object, a pump circulation type rust preventive agent supply device according to the present invention is provided in a movable installable box body provided with a water inlet from a water receiving tank and a water outlet to the water receiving tank. , A pump that sucks water in the water tank, a control device for the suction operation of the pump, and a cylindrical anti-corrosion agent that contains a rust preventive agent such as vinyl chloride or acrylic that is installed between the pump and the water outlet. The rust agent supply device is installed between the pump and the water outlet.

Further, the pump circulation type rust preventive agent supply device according to the present invention is provided with one thin cylindrical control wheel plate for controlling the outflowing rust preventive agent per unit area in the rust preventive agent feeder or Multiple sheets are loaded. Furthermore, the structure is such that a reducer can be installed between the rust preventive agent feeder and the water outlet of the box.

Further, another pump circulation type rust preventive agent supply device according to the present invention is a rust preventive agent feeder made of vinyl chloride or acrylic, which has a dual outer cylinder and an inner cylinder containing the rust preventive. In the tubular structure, a city water inlet is provided at the bottom of the ring-shaped storage cylinder between the outer cylinder and the inner cylinder, and a water outlet is provided at the bottom of the inner cylinder. A through hole is formed in the upper peripheral wall of the inner cylinder for conducting the introduced city water, and the inner peripheral wall of the inner cylinder is fitted with a cage containing a rust preventive agent and a wheel plate. It has been configured.

[0012]

[Work]

 Introduced into the water tank The stored city water is introduced into the box body of the pump circulation type rust preventive agent supply device according to the present invention from the water inlet with a pump, and from the bottom of the rust preventive agent feeder to the rust preventive agent feeder. To be done. An appropriate amount of solid rust preventive agent is enclosed in the vinyl chloride or acrylic rust preventive agent supply device, and when the introduced city water touches the solid rust preventive agent, The rust preventive dissolves in city water over time. As a result, an appropriate amount of rust preventive agent was added to the city water, and the city water added with the rust preventive agent was introduced into the reducer by the pump, stirred, and pumped from the outlet to the receiving tank. It is carried out of the agent supply device and returned to the water receiving tank.

In the invention in which the anticorrosive agent supply device of the pump circulation type anticorrosive agent supply device has a double tank structure, the city water is first discharged from the bottom to the outer cylinder body and the inner cylinder body. It is introduced, rises upward between the outer cylinder and the inner cylinder, and is introduced into the inner cylinder containing the anticorrosive agent through the through hole formed in the upper part of the inner cylinder. The rust preventive agent comes into contact with the city water and dissolves in the city water, and the city water with the rust preventive agent dissolved is sent from the bottom of the inner cylinder to the outlet, and is supplied outside the pump circulation type rust preventive agent supply device. It is carried out to and returned to the water tank.

[0014]

【Example】

 Hereinafter, a pump circulation type rust preventive agent supply device according to the present invention will be described in detail based on an embodiment shown in the drawings.

FIG. 1 is a developed front view of a pump circulation type rust preventive agent supplying apparatus according to the present invention. The pump circulation type rust preventive agent supply device 1 has a configuration in which a pump 3, a control device 4, and a rust preventive agent feeder 5 are integrally housed in a box 2.

The box 2 is provided with an inlet 21 for introducing city water from a water receiving tank (not shown) and a water outlet 22 for feeding back city water containing a rust preventive agent to the water receiving tank. It is a rectangular parallelepiped and the size is such that the whole can be moved and installed. Further, in the embodiment shown in the drawings, a ventilation fan is attached to the side surface where the inlet and the outlet are provided, and the ventilation port 23 and the ventilation window 24 are provided on the opposite side surfaces.

The pump 3 is an ordinary pump that pumps city water (tap water provided by a public institution) stored in the water receiving tank to the rust preventive agent supply device, and its shape and performance are not limited. .. However, it is desirable that the size be such that it can be stored in a box that can be moved and installed.

The control device 4 is a controller device including a switch and the like for controlling and operating the pump. As a control method, in addition to the method of manually or automatically controlling the time, the pump operation is controlled by detecting the water level of the water receiving tank or the concentration of the rust preventive agent in the water receiving tank or the rust preventive agent feeder. It will be configured to.

The rust preventive agent feeder 5 shown in FIG. 1 is a single cylindrical body, and is composed of a vinyl chloride or acrylic cylindrical body portion 51, a bottom portion 52 and a lid portion 53, and a city water intake port. 54 is provided on the bottom, and a water outlet 55 is provided on the lid. Since the material of the cylindrical portion does not need to have a pressure resistant structure, it can be inexpensively formed with a simple material such as vinyl chloride, and the material is not particularly limited.

A rust preventive agent 60 is enclosed in the inside of the cylindrical body. Further, a wheel plate 56 for adjusting the amount of the enclosed rust preventive agent is loaded into the cylindrical body of the rust preventive agent feeder as needed. The number of wheel plates to be loaded is not limited to one, and a plurality of wheel plates can be loaded as needed, and the shape thereof is also free, but through holes 57 are appropriately provided to improve water flow. is doing. It is also possible to adjust the amount of the rust preventive itself depending on the quality of the rust preventive.

The rust preventive agent supply device 105 shown in FIG. 3 has a double cylindrical structure made of vinyl chloride or acrylic, and has an inner cylindrical body 151 installed inside and an outer cylindrical body installed around the inner cylindrical body 151. And a cylinder 158. A gap between the outer cylinder and the inner cylinder is hermetically sealed to form a ring-shaped storage cylinder 159, and a city water inlet 154 is provided at the bottom thereof. A water outlet 155 is provided at the bottom of the inner cylinder.

A through hole 161 is formed in the upper side wall of the inner tubular body 151, and the city water introduced into the ring-shaped storage tubular portion 159 is pushed up from the bottom by hydraulic pressure, so that the through hole in the upper portion is formed. It is introduced into the inside of the inner cylindrical body containing the rust preventive through it and comes into contact with the rust preventive. The city water in which the rust preventive agent is dissolved is sent from a water outlet 155 provided at the bottom of the inner cylindrical body and is carried out to a water storage tank outside through the water outlet 22.

A cage 160 containing a rust preventive agent and a wheel plate is inserted inside the inner cylinder 151, and when the rust preventive agent is replaced, the entire cage body is replaced. You can easily work by doing.

The pump 3 housed in the box and the rust preventive agent feeder 5 are connected by a pipe 70. The tip of a pipe 70 for introducing city water from the pump is connected to the inlets 54, 154 provided at the bottom of the rust preventive agent supply device, and the pipe 70 is bifurcated and equipped with a drain valve 72. Has been done. Further, in the embodiment shown in FIG. 1, the water outlet 55 provided on the lid of the rust preventive agent feeder and the water outlet 22 of the box are connected by a pipe 74, and backflow prevention is provided in the middle of the pipe. A check valve 71 for use is installed. In the embodiment shown in FIG. 3, the water outlet 155 provided at the bottom of the inner cylinder of the rust preventive agent feeder and the water outlet 22 of the box are connected by a pipe 74.

The pipe 74 connecting the rust preventive agent supply device 5 and the water outlet 22 of the box body can be equipped with a reducer 80 for stirring. The reducer 80 consists of a tubular body that is thicker than the pipe. It mixes the dissolved rust preventive agent well with the city water, and excess city water flows out from the rust preventive agent feeder to the upper part of the rust preventive agent feeder. It also prevents the entry of air and also acts as a reservoir for constantly filling the rust preventive agent feeder with city water.

A pipe 70 connecting the pump 3 and the rust preventive agent supply device 5 and a pipe 74 connecting the rust preventive agent supply device 5 and the water outlet 22 of the box are connected by a connecting pipe 75. There is. A valve is also installed in the middle of the connecting pulp to recirculate the molten rust preventive agent to the rust preventive agent supply device or to receive the unmelted city water of the rust preventive agent as needed. It enables circulation to the aquarium.

In this embodiment, the wheel plate 56 is a flat cylindrical body as shown in FIG. 2, and has one large through hole or a plurality of small through holes formed in the vertical direction. By loading the wheel plate on the rust preventive agent feeder, the volume occupied by city water in the rust preventive agent feeder can be adjusted appropriately and reduced, so the rust preventive agent itself must be taken out or additionally enclosed. Even without it, it is possible to adjust the concentration of dissolution of the rust preventive agent per unit volume. This has the advantage that the rust preventive agent can be added and removed only by regular replacement.

[0028]

[Effect of the device]

 The rust preventive agent feeder according to the present invention has the following effects because it has the structure as described in detail above. Since the rust preventive agent supply device is not installed between the high water tank of the building etc. and the water tank on the ground, it is a separate system from the water pipe of the building, so the pressure resistant structure at the time of pump startup is not required. , The device is compact and inexpensive. Due to the relatively small size of the device, the problem of installation location has been resolved. The conventional rust preventive agent supply device is a large-scale device, and the work is difficult because it is performed after the building is constructed.However, the device according to the present invention is small in size, and is also used in the water tank of the existing building. Can be installed. The dissolved concentration can be easily adjusted by loading and unloading the wheel, so handling is easy. The structure of the rust preventive container is simple, and the work of filling and removing the rust preventive agent is extremely simple. Especially, in the structure in which the rust preventive agent and the wheel board are stored in the cage, the rust preventive agent The exchange operation has been dramatically improved compared to the past.

[Brief description of drawings]

FIG. 1 is a developed front view of a pump circulation type rust preventive agent supply device of the present invention.

FIG. 2 is an enlarged perspective view of a wheel plate.

FIG. 3 is a development front view of another pump circulation type rust preventive agent supply device according to the present invention.

[Explanation of symbols]

 1: Pump circulation type antirust agent supply device 2: Box body 3: Pump 4: Control device 5, 105: Antirust agent supply device 51, 151, 158: Cylindrical body 56: Wheel plate 57: Through hole 60: Antirust Agent 70, 74: Pipe 71, 72: Valve 160: Basket 161: Through hole

Claims (4)

[Scope of utility model registration request] 1. A pump for sucking water from the water receiving tank and a control device for suction operation of the pump in a movable and installable box body provided with a water inlet from the water receiving tank and a water outlet to the water receiving tank. When,
A pump circulation type rust preventive agent supply device characterized in that a rust preventive agent feeder consisting of a water tank of vinyl chloride or acrylic etc. containing a rust preventive agent is integrally stored installed between a pump and a water outlet. 2. A thin cylindrical control wheel plate for controlling an outflowing rust preventive agent per unit area is provided in the rust preventive agent feeder of the pump circulation type rust preventive agent feeder according to claim 1. Pump circulation type rust preventive agent supply device characterized by being loaded with one or more sheets 3. The pump circulation type rust preventive agent supply device according to claim 1, wherein a reducer is installed between the rust preventive agent feeder and the water outlet of the box body. Circulating rust preventive agent supply device 4. The pump circulation type rust preventive agent supply device according to claim 1, wherein the rust preventive agent feeder such as vinyl chloride or acrylic is an outer cylinder and an inner cylinder containing the rust preventive. And a double cylinder structure, in which a city water inlet is provided at the bottom of the ring-shaped storage cylinder between the outer cylinder and the inner cylinder, and a water outlet is provided at the bottom of the inner cylinder. In addition, a through hole is formed in the upper peripheral wall of the inner cylinder for conducting the introduced city water, and the inner peripheral wall of the inner cylinder has a cage containing a rust preventive agent and a wheel plate. Pump circulation type rust preventive agent supply device characterized in that