KR100666464B1 - Chemical composition injection - Google Patents

Abstract

An apparatus for projecting chemicals through the compression-type air injection is provided to minimize the air contact area of the liquid medicines within a medicine storage container. A branch pipe(4) and a venturi pipe(5) are mounted on the water transmission pipe. A backward flow prevention check valve(8) is mounted to the water transmission pipe. A flowing amount control valve(7) is also mounted. An air control valve is mounted to the second storage cistern so that the air flowing amount is controlled and the volume of the air injection is controlled. The liquid medicine stored in the third storage cistern(2) is transferred via a medicine inflow hole.

Description

Differential pressure air injection chemical injection device {Chemical composition injection}

1 is a general view of the differential pressure-type air injection chemical injection device of the present invention

2 is a schematic view of the drug storage container of the present invention

3 is a detailed view of the drug storage container and the drug level control device of the present invention

4 is a detailed view of the tertiary storage tank of the present invention.

5 is a detailed view of the secondary storage tank of the present invention

6 is a detailed view of the drug level control device of the present invention

7 is a detailed view of the air inlet control valve and the concentration control valve of the present invention

    {Short description of drawing}

Pump (1), tertiary reservoir (2), chemical transfer pipe (3), branch pipe (4), venturi tube (5), primary reservoir (6), flow control valve (7), check valve (8) , Reservoir (water tank) (9), secondary storage tank (10), vertical rail (21), air (concentration) control valve (22), mixing tank (23), chemical liquid level control tube (24), chemical liquid suction pipe ( 25), chemical liquid inlet (26), chemical storage cap (27), air intake pipe (28), air inlet control valve (29), one-way valve (30), main water pipe (40), connecting plate (50), top cover (60), partition (70) , chemical level control check valve (241), mixing filter (231),

In the present invention, liquid chlorine, such as sodium hypochlorite or chlorine dioxide, is introduced into a water pipe, wherein a venturi tube 5 is attached to a branch pipe 4 branched from the water pipe, and the chemical liquid connected from the tertiary storage tank 2 is Combining the feed pipe (3), equipped with the air (concentration) control valve 22 and the air inlet control valve (29) in the secondary reservoir (10) and the chemical liquid level control tube (24) in the primary reservoir (6) The present invention relates to a differential pressure air injection chemical injection device that minimizes contact with oxygen and prevents the reduction of effective chlorine even during long-term storage.

The conventional liquid chlorine (sodium hypochlorite) input method was a forced input method using a metering pump. In addition, it is also used in the drainage basin 9, but it is difficult to control the exact concentration and the fact that the chemical solution in the chemical storage tank is always in contact with the air effective chlorine is reduced in the long-term use is not effective method for sterilizing drinking water sterilization. In addition, even when the medicine was input by using the metering pump, it was impossible to disinfect smoothly due to the frequent failure of the metering pump. By improving the shortcomings, the differential pressure air injection chemical injection device can be developed that can inject the chemical with no power, which can be installed in any pipe regardless of the size of the water pipe.

In addition, utility model registration No. 0386759, a non-powered calcium hypochlorite injector using fluid kinetic energy in the water supply pipe, was used to connect venturi to the branch pipe without connecting the venturi pipe to the original water supply pipe to prevent the damage of pressure rise on the heart pump. Since the chemical is injected through the differential pressure method, there is no need for electric or mechanical power, so it can be used semi-permanently by one installation because there is no breakdown, and the amount of air sucked into the chemical liquid transport pipe 3 without direct control of the chemical liquid is air ( Concentration) by adjusting the control valve 22 to control the concentration, and separately by adjusting the air inlet control valve 29 to make a structure that is replenished only as the chemical liquid is discharged in the primary reservoir (6). Thus, a certain amount of the chemical liquid can be maintained in the primary storage tank (6). In addition, by placing the mixing tank 23 on the lower side of the chemical liquid delivery pipe (3), the air and the chemical liquid is mixed so that the air injection along the chemical liquid delivery pipe (3) can be constantly transferred.

The present invention is to solve the above problems, Korean Patent Application No. 10-2005-66518 filed by the applicant, the name of the invention; It is an improvement of the differential pressure generator for automatic chemical injection. It fundamentally solves the degradation of disinfection due to the scale clogging phenomenon of the metering pump, which is a mechanical structure, and enables the injection of chemicals for each flow rate. Eliminate the inconvenience of manufacturing various kinds of chemical injection machines, and use the Venturi tube that does not need any power source for chemical injection, but install it on the branch pipe to solve the adverse effect on the water pipe and the underwater motor due to the pressure rise, and the existing medicine It is a technical object of the present invention to provide a differential pressure-type air injection chemical injection device which can control the chemical concentration by allowing the air inflow amount to be automatically adjusted according to the flow rate out of the direct adjustment method of the chemical liquid.

In order to achieve the above object, the branch pipe 4 and the venturi pipe 5 are mounted on the water supply pipe through which the fluid flows , and the back flow prevention check valve 8 is immediately mounted on the water supply pipe, and the flow control valve 7 is mounted on the water supply pipe. And to control the size of the air inlet by mounting the air control valve 22 to the secondary storage tank 10 to control the size of the air injection, and to mix the air and the chemical liquid through the mixing tank (23) This function to make the air injection finer, it is possible to control the chlorine concentration by inputting the differential pressure suction of the chemical liquid through the venturi tube (5), the chemical liquid stored in the tertiary storage tank (2) secondary storage tank (10) It enters through the chemical liquid inlet (26), which serves to form a head for the constant inflow in the primary storage tank (6), and thus the chemical liquid level control tube (24) installed in the primary storage tank (6) Air flow into the chemical liquid level control check valve (241) It relates to the amount of pressure differential air-filled drug input device configured so a drug solution can only be minimized by lowering the effective chlorine in contact with the air in the primary reservoir, a closed section to adjust the valve 29.

In the present invention, in the introduction of water supply chemicals, the utility model registration No. 0386759 uses a non-powered calcium hypochlorite input device using fluid kinetic energy in the water supply pipe, and the aqueous solution chemicals are introduced into the suction principle by differential pressure using a branch pipe venturi. It is a device that can control the opening and closing degree of 22) to quantitatively input chemical without using a metering pump. The structure in the primary storage tank 6 also prevents the reduction of effective chlorine by oxidizing chlorine when it comes into contact with air. In order to prevent the liquid level control device from shaking due to vibration or the like, open the chemical storage cap 27 and install the vertical rail 21 to maintain a constant level at all times. The one-way valve 30 is installed in the enclosure so that only air from the outside flows in and the outside does not flow out. Due to the outflow was configured to be able to effectively remove the chlorine and reducing risk.

According to the present invention, the secondary storage tank 10 and the primary storage tank 6 mounted by the vertical rails 21 in the third storage tank have a chemical liquid by minimizing the vibration of the stored chemical liquid when vibrations are generated by external impact. The structure was modified to minimize the change.

The present invention can be used in the chemical material injector of the wide area water pipe more widely to the pressure pipe inherent without pressure on the pump and can be used when the water treatment chemicals in the water pipe such as other flocculants, pipe cleaners It is also available. In addition, it is possible to inject water-soluble chemicals using branch pipe Venturi to water pipes using pumping pumps in water purification pipes as well as Ganjeongsa, as well as Ganjeongsa, and can be directly applied in drain water tanks as it is applicable to water tank inlet pipes.

The main purpose of this invention is a breakthrough technology that allows chemicals to be injected into the pipelines by means of differential pressure, without the use of a pressure metering pump that requires electricity. Wherever there is a structural device of a water pipe, such as a drainage basin and a rooftop water tank, the branch pipe can be made and chemicals can be added without mechanical attachments.

The differential pressure type air injection chemical injection device as described above has the feature that it is possible to quantify the chemical by adjusting the air control valve without using a metering pump that requires electricity, and to achieve this purpose, A standardized standard and model that can be applied even if the size and the size of the motor capacity are different are needed.

The water pipe that can be installed is not limited, the branch pipe (4) is standardized to the acid-resistant material of Φ 20 can be used irrespective of the water pipe diameter change, the water supply pressure is usually within 10kgf / ㎠ but the backflow check valve (8) ), The venturi pipe (5) is installed in parallel with the main water pipe, and the air control valve (22) is installed to control the air volume, and the air suction pipe can be adjusted. A mixing tank 23 formed between the 28 and the chemical suction tube 25 is mounted therein, and a dense lattice nonmetallic filter 231 is mounted therein, which mixes the air and the chemical liquid with the air when inhaled. It is to make the air injection fine, to prevent the inhalation of only the chemical liquid, and to effectively generate the air injection to escape the danger of high concentration.

In addition, it is effective to improve CT value because inhalation of venturi tube is caused by inhalation of air together with air injection, and it is effective to improve CT value.In addition to water pipes, boilers, hot water pipes, etc. Can be.

Utility Model Registration No. 0386759 A flow control valve on the main water supply pipe so that the fluid in the conduit can merge without resistance to the main water supply pipe or branch off a certain flow rate into the branch pipe as in the non-powered calcium hypochlorite input device using fluid kinetic energy in the water supply pipe (7). ), And the flow control valve (7) can use other shut-off valves that have been installed, but the scale is installed on one side of the flow control valve so as to adjust the chemical input amount and operate the device within the allowable pressure. The pressure increase should be known when adjusting the flow rate.

The present invention (differential pressure-type air injection chemical injection device) is supplied to the constant fluid supplied to the waste water tank through the water supply pipe without applying a load to the pump using the differential pressure, the air control valve 22 to adjust the concentration The present invention relates to a differential pressure pneumatic chemical injection device that enables control and minimizes the reduction of effective chlorine even after long-term use.

In the present invention, the control of the air inlet control valve 29, and the adjustment of the chemical liquid level control tube 24 and the chemical liquid level control check valve 241 is a state in which the primary reservoir 6 and the secondary reservoir 10 are sealed. When the chemical liquid is discharged into the venturi tube 5 through the chemical liquid suction pipe 25 connected thereto, the pressure is lowered in the primary storage tank 6, and the air inlet control valve 29 is automatically adjusted (opened). As the external air is introduced to maintain a constant pressure, and at the same time, the chemical liquid is also introduced into the primary storage tank (6) through the opened chemical liquid level control check valve 241 connected to the chemical liquid level control tube 24, The chemical solution is designed to minimize the contact with air and to minimize changes in the concentration of the chemical solution that supplies the chlorine component in the chemical reaction with oxygen in the air, and it is not discharged through the venturi tube (5). In the case is installed at one end of the chemical level control tube (24) Liquid level control check valve 241 is to avoid that the primary storage Joan drug solution flowing back to the secondary reservoir.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a general view of the differential pressure-type air injection chemical injection device of the present invention, Figure 2 a detailed view in the chemical storage container of the present invention, Figure 3 detailed view of the chemical liquid level control device of the present invention

4 is a detailed view of the mixing tank of the present invention, FIG. 5 is a detailed view of the air inlet control valve and the concentration control valve of the present invention , FIG. 6 is a detailed view of the chemical liquid level control device of the present invention, and FIG. The detailed diagram of the control valve is shown, and the pump (1), the tertiary storage tank (2), the chemical liquid transport pipe (3), the branch pipe (4), the venturi pipe (5), the primary storage tank (6), and the flow rate control Valve (7), check valve (8), reservoir (water tank) (9), secondary reservoir (10), vertical rail (21), air (concentration) control valve (22), mixing tank (23), chemical liquid Upper control tube (24), chemical liquid suction pipe (25), chemical liquid inlet (26), chemical storage cap (27), air suction pipe (28), air inlet control valve (29), one-way valve (30), main water supply pipe (40) It can be seen that the connecting plate 50, the upper cover 60, the partition 70, the chemical liquid level control check valve 241, the mixing filter 231.

Looking at the structure as shown in Figures 1 to 7, the pump 1 and the main water supply pipe 40 is connected to one side of the pump 1, and the branch pipe branched to one side of the main water supply pipe (40) ( 4), a venturi 5 mounted on one side of the branch pipe 4, a chemical transfer pipe 3 connected to a central predetermined position of the venturi 5, and a rear of the chemical transfer pipe 3; A third reservoir (2) connected to the middle of the main water pipe (40), and a flow control valve (7) spaced apart from the position of the venturi pipe (5) of the branched branch (4); Differential pressure type consisting of a check valve (8) installed on one side of the main water supply pipe (40) after the branch pipe (4) is reunited, and a drain (water tank) 9 connected to one end of the main water supply pipe (40). Air injection chemical injection device

As shown in FIGS. 1 to 5, the third storage tank 2 has a sealed shape, an upper cover 60 formed on the upper side, and a chemical storage cap 27 installed on one side of the upper cover 60. ), A vertical rail 21 installed vertically up to the upper cover 60 and the bottom and spaced apart at a predetermined interval from one side of the inner central part, and a second secondary connected to the vertical rail 21 and sealed A connection plate 50 extending upward and outward of the storage tank 10, a second storage tank 10 installed inside the third storage tank 2, and the second storage tank 10. A primary reservoir 6 installed by the partition 70 in the interior thereof, a chemical level control device installed on the upper portion of the primary reservoir 6, and an upper side of the third primary reservoir 2; It can be seen that it consists of a one-way valve 30, and the chemical liquid transfer pipe (3) connected to the lower side of the upper one side of the third primary reservoir (2). have.

As shown in FIGS. 2 to 5, the secondary storage tank 10 is connected to a vertical rail 21 installed in the third storage tank 2 to be hermetically sealed, and the secondary secondary container is sealed. The first storage tank 6 is formed by two partitions 70 formed therein at a central portion of the second storage tank 10 and a connecting plate 50 extending upward and outward of the upper storage tank 10. It is stored and is installed on one side of the partition (70) is a structure consisting of a chemical liquid inlet 26 is injected the chemical liquid of the third storage tank (2),

As shown in FIGS. 3 to 5, the primary storage tank 6 is installed by two partitions 70 in the center of the sealed secondary storage tank 10.

Chemical liquid level control tube 24 installed on the upper side of the partition (70), the chemical liquid level control check valve 241 provided at the inner lower end of the chemical liquid level control tube 24, and the chemical liquid level control tube ( 24 is installed through the upper part of the first storage tank (6) and the upper cover (60) of the third storage tank (2), the upper end of the air inlet control valve (top) 29) is provided with an air suction pipe (28),

The other side of the first reservoir (6) is connected to the upper end of the chemical liquid suction tube 25 and the chemical liquid suction tube 25 installed through the inside of the first reservoir through the upper portion of the first reservoir (6) The mixing tank 23 and the upper end of the mixing tank 23 and the upper end is provided with an air inlet control valve 29 installed in the upper portion of the upper cover 60 through the first storage tank (2) The other air suction pipe 28 and the two mixing filter 231 installed at a predetermined interval inside the mixing tank 23, and the other side of the mixing tank 23, the secondary storage tank 10 and the first It is a structure connected to the chemical liquid transport pipe (3) installed through one side of the tertiary storage tank (2).

Therefore, the chemical liquid in the tertiary storage tank enters the secondary storage tank 10, and the chemical inflow through the chemical liquid inlet 26 of the secondary storage tank 10 provides a head to keep the inflow rate in the primary storage tank 6 constant. The chemical liquid level control pipe 24 and the chemical liquid level control check valve 241 provided in the primary storage tank 6 are controlled by the air inlet control valve 29 to form a sealed primary storage tank. By refilling only a certain amount of chemicals, it minimizes the area where the chemicals come into contact with the air, minimizing the effective chlorine reduction even after long-term use, and the vertical rail (21) is installed to supplement the chemicals or influence externally. It is a differential pressure pneumatic injection device that enables quantitative suction even when vibration occurs.

By adjusting the air control valve 22 mounted on one side of the secondary storage tank 10, it is possible to control the size of the air injection during chemical delivery and through the mixing tank 23 of the chemical liquid delivery pipe (3) Promotes the mixing of chemicals and refines the air injection to inject the differential pressure suction of the chemicals through the venturi tube (5) to control the chlorine concentration by air control,

The mixing filter 231 is mounted on the mixing tank 23 at the top of the air control valve 22, which allows the air and the chemical to be well mixed with the air when inhaled, and prevents only the chemical from being sucked in. Effectively refines production,

Regardless of the diameter of the main water pipe (40), it can be mounted on all water pipes, and it can be used in water pipes as well as drainage tanks (9) by injecting chemicals without force using branch pipe venturi. It is a differential pressure pneumatic injection device that can inject drugs.

By using a differential pressure type air injection chemical input device having the above configuration, it is possible to quantitatively input by using the flow of fluid (flow rate and flow rate) from the method of injecting chemical into the water supply pipe depending on the expensive metering pump. It can solve problems such as poor disinfection performance and microtoxin caused by failure when using the metering pump. Unlike the metering pump using the mechanical device, it uses a venturi tube that uses only the flow of fluid. It can be used semi-permanently.

In addition, in the concentration control, the chemical liquid itself is not controlled, but there is no corrosion or failure by adjusting the amount of inflowing air, thereby eliminating an incorrect amount of chemical control caused by the failure or corrosion of the control device that occurred in the conventional method.

In addition, since the mixing filter 231 in the mixing tank 23 is increased to increase the mixing ratio of the air and the chemical liquid, and a small amount of the chemical liquid in contact with the air injection rather than the chemical liquid is sucked, the problem caused by the high concentration is also caused. Solved.

The chemical chlorine injector used for drainage was used to inject air into the chemical solution to produce water droplets, but this had the disadvantage of reducing effective chlorine when stored for a long time due to the large volume of contact with air. The problem of reducing effective chlorine was solved by using dual chemical liquid level control device. In addition, it can be applied to the boiler, hot water pipes and other water-soluble water treatment chemicals, such as using the differential pressure air injection chemical injection device.

Claims (3)

In the differential pressure air injection automatic chemical injection device, A main water pipe 40 having one side connected to the pump 1 and the pump 1, a branch pipe 4 branched at one side of the main water pipe 40, and a middle one side of the branch pipe 4. Venturi (5), the chemical liquid transport pipe (3) connected to the central predetermined position of the venturi (5), the third reservoir (2) connected to the rear of the chemical liquid transport pipe (3), and the main water supply pipe (40) One side of the main water supply pipe 40 and the flow control valve (7) installed in the middle side, spaced apart from the position of the venturi pipe 5 of the branched branch 4, the branched pipe 4 is again It is a structure of a differential pressure-type air injection chemical injection device composed of a check valve (8) installed later, and a drain (water tank) 9 connected to one end of the main water pipe 40, The third storage tank 2 has a sealed shape, the upper cover 60 formed on the top, the chemical storage cap 27 installed on one side of the upper cover 60, the upper cover 60 and the bottom Vertical rails are installed vertically and vertically spaced apart at regular intervals on one side of the inner central portion, and are connected to the vertical rails 21 and extend upward and outward of the sealed secondary storage tank 10. A first plate installed by a partition plate 70 in the connection plate 50 to be moved, the second storage tank 10 installed inside the third storage tank 2, and the second storage tank 10. Chemical liquid level control device installed on the primary reservoir (6) and the primary reservoir (6), one-way valve (30) installed on the upper side of the third primary reservoir (2), and the third primary reservoir Differential pressure air injection, characterized in that the upper side of (2) and comprises a chemical delivery pipe (3) connected to the lower portion of the one-way valve (30) Chemical input device. The method of claim 1, wherein the secondary storage tank 10 is connected to the vertical rail 21 installed in the interior of the tertiary storage tank 2 is sealed shape, the upper outer side of the sealed secondary storage tank 10 The first storage tank 6 is stored in the central portion of the connecting plate 50 and the second storage tank 10 is extended to move up and down by two partitions 70 therein, the partition A differential pressure-type air injection chemical injection device, characterized in that it comprises a chemical liquid inlet (26) is installed on the upper side of one side 70 is the chemical liquid of the third storage tank (2) is injected. The method of claim 1, wherein the primary storage tank 6 is provided by two partitions 70 in the center of the sealed secondary storage tank 10, Chemical liquid level control tube 24 installed on the upper side of the partition (70), the chemical liquid level control check valve 241 provided at the inner lower end of the chemical liquid level control tube 24, and the chemical liquid level control tube ( 24 is installed through the upper part of the first storage tank (6) and the upper cover (60) of the third storage tank (2), the upper end of the air inlet control valve (top) 29) is provided with an air suction pipe (28), The other side of the first reservoir (6) is connected to the upper end of the chemical liquid suction tube 25 and the chemical liquid suction tube 25 is installed through the upper portion of the first reservoir (6) The mixing tank 23 and the upper end of the mixing tank 23 and the upper end is provided with an air inlet control valve 29 installed in the upper portion of the upper cover 60 through the first storage tank (2) The other air suction pipe 28 and the two mixing filter 231 installed at a predetermined interval inside the mixing tank 23, and the other side of the mixing tank 23, the secondary storage tank 10 and the first Differential pressure injecting chemical injection device, characterized in that the structure connected to the chemical liquid transport pipe (3) installed to penetrate through one side of the tertiary storage tank (2).

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