KR100915135B1 - Apparatus for mixing of the multiple chemical fluids - Google Patents

Abstract

An apparatus for mixing liquid is provided to prevent unequal mixing of liquid due to specific gravity difference of each liquid by supplying many kinds of chemical liquids having specific gravity difference rapidly and compulsorily. An apparatus for mixing liquid comprises the followings: a plurality of supply pipes(11,12,13,14,15) adjusting the supplying amount of chemical liquids; a manifold(20) supplying back pressure to the supply pipe; a hopper(30) supplying a plurality of the chemical liquids, and connected with the bottom of the manifold; an inline mixer(40) mixing and transferring the chemical liquid, and connected with the bottom of the hopper; a connection pipe(55) installed between the bottom of the inline mixer and a buffer tank(50); a supply line(66) supplying the liquid to a drum(65); a return line(67) collecting the liquid to the buffer tank; a switching member(68,69) installed at the supply line and the return line; and a wrapping unit(60) wrapping the chemical liquid.

Description

Apparatus for mixing of the multiple chemical fluids

The present invention relates to an apparatus for mixing a plurality of types of chemical liquids, and more particularly, to supply a plurality of types of chemical liquids through their respective pipes, the flow rate of each liquid and the back pressure acting on each pipe to a constant atmospheric pressure The present invention relates to a liquid mixing supply device that maximizes reliability by quantitatively supplying and evenly mixing, storing, and packaging a plurality of chemical liquids at a constant rate by maintaining and immediately ejecting.

In general, it is a very difficult task to mix and supply liquids, especially many chemical liquids in the correct proportions.

For this reason, there have been known many types of apparatus for mixing and supplying a plurality of chemical liquids at an accurate ratio.

For example, as shown in FIG. 1, a plurality of chemical liquids are pumped or pressurized at a source to supply a constant pressure through a plurality of supply pipes 1a, 1b, 1c, 1d, 1e,

The remaining supply pipes (1b) (1c) (1d) (1e) ... are connected to the one side supply pipe (1a), respectively, and the plurality of supply pipes (1a) (1b) (1c) (1d) (1e). A large number of chemical liquids to be supplied to the one side supply pipe (1a) is to supply.

As such, the plurality of chemical liquids concentrated through the one side supply pipe 1a are mixed with each other by the mixer 3 and stored in the buffer tank 5.

Then, the mixed chemical liquid of the buffer tank 5 is supplied to the packaging drum 7 through the supply pipe 6 by the pump P, and is introduced into the drum by the scale 8 installed under the drum. To provide a fixed quantity supply.

Not described, the plurality of supply pipe (1a) (1b) (1c) (1d) (1e) ... is provided with a flow meter, flow control valve, etc. to measure and adjust the supply amount of the chemical liquid.

However, the conventional liquid mixing supply device has the following problems.

The back pressure is generated in the process of intensively supplying each of the chemical liquids supplied through the plurality of supply pipes 1a, 1b, 1c, 1d, and 1e to one side of the supply pipe 1a. When setting the flow rate of one of the supply pipe and the flow rate of the other supply pipe of the supply pipe (1a) (1b) (1c) (1d) (1e). Disturbing the previous settings will result in a lot of trial and error and a lot of time / cost for the flow setting of the entire pipe.

That is, even though each of the chemical liquids are supplied by constant pumping or pressurization through the plurality of five supply pipes 1a, 1b, 1c, 1d, and 1e, the plurality of supply pipes 1a and 1b. Since the back pressures acting on (1c) (1d) (1e) .. are different from each other, it is difficult to supply a quantitative chemical liquid.

As such, it is difficult to provide a quantitative supply of a plurality of chemical liquids, which causes a particularly serious chemical problem because the mixing reliability of a plurality of chemical liquids is reduced.

The present invention has been made to solve the above-mentioned problems of the prior art, and provides a uniform mixing by supplying a plurality of chemical liquids in order to provide excellent use reliability, particularly in the chemical field.

The present invention supplies a plurality of chemical liquids through their respective pipes, and quantitatively supplies a plurality of chemical liquids at a constant rate by instant ejecting while maintaining a constant flow rate of each liquid and a back pressure acting on each pipe at atmospheric pressure. The purpose is to provide excellent reliability because it provides even mixing.

The present invention is to provide a uniform mixing by supplying a number of chemical liquids, evenly mixed by supplying a forced mixing of a plurality of chemical liquids having a specific gravity difference to provide excellent reliability.

This invention,

A plurality of supply pipes respectively supplying a plurality of chemical liquids at a predetermined pressure, and controlling a supply amount by opening and closing adjustment; A manifold mounted to guide the plurality of supply pipe ends vertically to provide a constant atmospheric back pressure (relative atmospheric pressure zero state) to the ends by atmospheric pressure; A hopper connected to a lower portion of the manifold and intensively supplying a plurality of chemical liquids supplied from a plurality of supply pipes; An inline mixer connected to the bottom of the hopper and mixed evenly while transferring a plurality of concentrated chemical liquids downward; A connection tube connected to a lower portion of the in-line mixer to supply a mixed chemical liquid to a buffer tank; The buffer tank is achieved by a packing unit for feeding and packing the mixed chemical liquid by a pump.

The hopper of the present invention is characterized in that it is configured to be removable.

The connecting pipe connecting the in-line mixer and the buffer tank of the present invention is characterized in that it maintains a full liquid storage state of the chemical liquid inside the in-line mixer in the form of a U-shaped pipe.

The packaging unit of the present invention includes a supply line for supplying the chemical liquid of the buffer tank to the drum and a recovery line for recovering the chemical liquid to the butter tank in the middle of the supply line to the open and close sides according to the quantification of the chemical liquid supplied to the drum. It is characterized by the configuration to control the opening and closing.

An ejector for supplying a plurality of chemical liquids to an in-line mixer is further installed below the hopper of the present invention, wherein the mixed chemical liquid is connected to the ejector by connecting a connection line for pumping the mixed chemical liquid from the buffer tank through the ejector. It is characterized by the forced suction and supply a plurality of chemical liquids supplied from the upper part of the ejector.

The present invention supplies a plurality of chemical liquids through their respective pipes, while quantitatively supplying a plurality of chemical liquids at a constant rate by instant ejecting while maintaining a constant flow rate of each liquid and a back pressure acting on each pipe at atmospheric pressure. And it provides even mixing, and in particular, because a forced supply of a large number of chemical liquids having a specific gravity difference is forced to be supplied, thereby preventing the imbalance mixing due to the specific gravity difference of each liquid has an effect of providing excellent use reliability.

Furthermore, the present invention satisfactorily provides the precise dilution and mixed supply of chemical liquids required in the chemical arts.

1 is a block diagram showing a conventional device.

2 is a block diagram showing a device of the present invention.

FIG. 3 is a sectional view showing main parts of the hopper of FIG. 2; FIG.

Figure 4 is a block diagram showing another embodiment of the present invention device.

** Description of the symbols for the rich parts of the drawings **

11, 12, 13, 14, 15: Supply piping

20: manifold 21: exhaust pipe

30: Hopper 40: Inline Mixer

50: buffer tank 60: packing unit

62: scale 65: drum

55: connector 70: ejector

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

The liquid mixing supply apparatus of the present invention is to provide a mixed supply evenly after the quantitative supply of a plurality of types of chemical liquid to be stored and packaged supply.

That is, the present invention, as shown in Figures 2 and 3, by supplying a plurality of chemical liquids at a constant pressure by pumping or pressing from a source, respectively, a plurality of supply pipes 11 for adjusting the supply amount by opening and closing adjustment ( 12) (13) (14) (15),

Ends 11 ', 12', 13 ', 14' and 15 'of the plurality of supply pipes 11, 12, 13, 14 and 15 are embedded to guide vertically, Manifold 20 to provide a constant atmospheric back pressure (relative air pressure zero state) to the plurality of supply pipes (11) (12) (13) (14) (15) at atmospheric pressure formed in communication with the outside through the exhaust pipe (21). )Wow,

A hopper 30 connected to a lower portion of the manifold and intensively supplying a plurality of chemical liquids supplied from a plurality of supply pipes 11, 12, 13, 14, and 15;

An in-line mixer 40 connected to the hopper under the hopper to mix evenly while transferring a plurality of concentrated chemical liquids to the lower portion;

A connecting pipe 55 connected to the lower part of the in-line mixer to supply the mixed chemical liquid to the buffer tank 50, and the mixed chemical liquid is pumped by the pump P to the drum 65 to be packed. It is made up of a packaging unit 60.

At this time, the plurality of supply pipes (11) (12) (13) (14) and (15) respectively have a flow meter (17) for measuring the conveying pressure of the chemical liquid and a flow adjusting valve (18) for adjusting the conveying flow rate. , Remote opening and closing sides 16 are respectively installed.

And the hopper 30 is configured to be detachably coupled to each of the upper and lower parts by bolt assembly, which enables a replacement use of the hopper 30 as well as a plurality of supply pipes (11) (12) (13) Provide a quantitative supply of each chemical liquid supplied from 14) and 15) to be measurable by a separate meter 25.

In addition, the in-line mixer 40 is provided with a plurality of elements are fixed in the left and right in a continuous direction to convert the laminar flow liquid into a countercurrent liquid while causing continuous stirring in the transfer process to evenly mix the plurality of liquids.

The connecting pipe 55 connecting the inline mixer 40 and the buffer tank 50 is installed at a position where the coupling to the buffer tank 50 is at least higher than the top of the inline mixer 40 in the form of a U-shaped pipe. 40 is configured to maintain the storage state of the chemical liquid therein.

In addition, an overflow pipe 23 for discharging the liquid overflowed from the hopper 30 to the buffer tank 50 is provided below the manifold 20.

In addition, the packaging unit 60 is a supply line 66 for supplying the chemical liquid of the buffer tank 50 to the drum 65 and a recovery line for recovering the chemical liquid to the butter tank 50 in the middle of the supply line ( 67, the supply line 66 and the recovery line 67 is provided to open and close sides 68 and 69 are configured to control the opening and closing according to the quantification of the chemical liquid supplied to the drum (54).

Reference numeral 35 denotes a fastening member of the hopper 30, 56 a liquid level control side, and 62 a scale of a packaging part.

Next will be described the operation and action of the present invention configured as described above.

The present invention is to provide a storage and packaging supply by evenly mixing and providing a plurality of types of chemical liquids.

First, a plurality of types of chemical liquids are respectively supplied through a plurality of supply pipes 11, 12, 13, 14, 15 at a constant pressure by pumping or pressurizing at each source.

At this time, the plurality of supply pipes (11) (12) (13) (14) and (15) are provided with a flow meter (17), a flow control valve (18), and a remote opening / closing valve (16), respectively, to check the supply amount of the chemical liquid. And become adjustable.

As such, a plurality of chemical liquids supplied through the plurality of supply pipes 11, 12, 13, 14, and 15 are vertically discharged from the manifold 20 to the hopper 30 in the lower position to concentrate the supply. Will be.

In this case, since the atmospheric pressure is affected by the exhaust pipe 21 communicating with the outside inside the manifold 20, the end 11 ′ of each of the supply pipes 11, 12, 13, 14, and 15. Each of the supply pipes 11, 12, 13, 14, and 15 generates back pressure (relative to atmospheric pressure zero) at atmospheric pressure through the 12 ', 13', 14 ', and 15'. It is to provide a constant supply of a controlled amount of chemical liquid.

That is, it is possible to precisely control the amount of chemical liquids supplied through the plurality of supply pipes (11, 12, 13, 14, 15).

In this way, the plurality of chemical liquids concentrated and supplied to the lower hopper 30 are transported downward by the in-line mixer 40 to uniformly mix the plurality of chemical liquids.

At this time, the in-line mixer 40 is a plurality of elements are fixed in the left and right in a continuous direction to convert the laminar flow liquid into a countercurrent liquid while causing continuous stirring in the transfer process to uniformly mix a plurality of liquids.

The mixed chemical liquid evenly mixed by the in-line mixer 40 is supplied to the buffer tank 50 through the connection pipe 55 to be stored.

At this time, the connecting pipe 55 is a U-shaped pipe coupled to the buffer tank 50 is installed at least at a position higher than the top of the in-line mixer 40 is always filled with the chemical liquid in the in-line mixer 40 Since it maintains the state, it is possible to faithfully perform the process of evenly mixing a plurality of newly supplied chemical liquids from the upper position of the in-line mixer 40 to the lower side in the process of supplying and mixing the next plurality of chemical liquids. Will be done.

That is, a plurality of chemical liquids newly supplied by the in-line mixer 40 are continuously and evenly mixed.

In addition, since the supply rate of the mixed chemical liquid is controlled by adjusting the liquid level control valve 56 on the connecting pipe 55, the mixing time of the plurality of chemical liquids is controlled because the time for mixing the plurality of chemical liquids is mixed in the in-line mixer 40. You can adjust the degree.

In this way, the mixed chemical liquid stored in the buffer tank 50 is pumped through the supply line 66 by the pump P and supplied to the drum 65 to be packed.

At this time, since the drum 65 measures the weight by the scale 62, after confirming the supply amount, the opening and closing edge 68 of the supply line 66 is blocked, and the opening and closing edge 67 of the recovery line 67 is opened. Will be done.

In this way, a plurality of chemical liquids are quantitatively supplied, mixed and stored, and then packed in a drum to be provided.

On the other hand, Figure 4 shows another embodiment of the present invention, which is compared with the above-described preferred embodiment of Figures 2 and 3 to supply a plurality of chemical liquid to the in-line mixer 40 under the hopper 30 The ejector 70 is installed, but the connecting chemical liquid is connected to the ejector by the pump P in the buffer tank 50. The mixed chemical liquid is connected through the ejector 70. It is made by forcibly sucking and supplying a plurality of chemical liquids supplied from the upper part of the ejector while being forced by pressure.

At this time, the connection line 72 is configured to provide a remote opening and closing valve 73 and the control valve 74 to control the supply of the mixed chemical liquid.

This embodiment of the present invention is a hopper when a plurality of chemical liquids supplied to the hopper 30 through the plurality of supply pipes (11) (12) (13) (14) (15) have respective specific gravity differences. It is to prevent the problem that can not be uniformly mixed because it does not fall to the bottom constantly, fall down and classified according to specific gravity.

That is, according to the exemplary embodiment of the present invention, the mixed chemical liquid of the buffer tank 50 is forcedly pumped through the connection line 72 by the pump P as the working liquid of the ejector 70 installed under the hopper 30. do.

The mixed chemical liquid thus conveyed is forced to suck a plurality of chemical liquids falling from the hopper 30 while passing through the ejector 70.

That is, even if there is a difference in specific gravity of the plurality of chemical liquids is forced to be forced by the mixed chemical liquid that is constantly dropped by the forced suction in the ejector passes through the ejector 70 is supplied to the in-line mixer 40.

As such, the plurality of chemical liquids supplied to the in-line mixer 40 are to be uniformly mixed as described above in a state in which they are supplied to be uniformly distributed.

As such, the mixed liquid in which a plurality of chemical liquids having different specific gravity are evenly mixed is stored in the buffer tank 50 and supplied to the drum 65 as described above to provide packaging.

Claims (5)

In the device for supplying a fixed amount of a plurality of chemical liquids mixed storage, A plurality of chemical liquids are pumped or pressurized from a source and supplied at a constant pressure, respectively, and a remote opening and closing 16 for opening and closing operation for supplying a chemical liquid passing through a flow regulating valve 18 which constantly adjusts a supply flow rate. A plurality of supply pipes 11, 12, 13, 14, 15 to adjust the supply amount by opening and closing the Ends 11 ', 12', 13 ', 14' and 15 'of the plurality of supply pipes 11, 12, 13, 14 and 15 are embedded to guide vertically, Manifold 20 to provide a constant atmospheric back pressure (relative air pressure zero state) to the plurality of supply pipes (11) (12) (13) (14) (15) at atmospheric pressure formed in communication with the outside through the exhaust pipe (21). )Wow, It is connected to the lower part of the manifold 20 and supplies a plurality of chemical liquids supplied from a plurality of supply pipes (11) (12) (13) (14) and (15). Hopper 30 made of a detachable by combining, An in-line mixer 40 connected to the bottom of the hopper 30 to mix evenly while conveying a plurality of concentrated chemical liquids downward;  It has a U-shaped tube shape, is installed between the lower portion of the in-line mixer 40 and the buffer tank 50, the buffer tank 50 to maintain the mixed chemical liquid in the liquid state inside the in-line mixer 40 Connector (55) at a position that engages at least at the top of the inline mixer (40) and The mixed chemical liquid stored in the buffer tank 50 is pumped by a pump P to be supplied to the drum 65 to measure the weight of the mixed chemical liquid on a scale 62. A supply line 66 for supplying the mixed chemical liquid to the drum 65 and a recovery line 67 for recovering the mixed chemical liquid to the buffer tank 50 in the middle of the supply line 66, The packaging part 60 is provided in the supply line 66 and the recovery line 67 to open and close, and to control the opening and closing, according to the quantitative determination of the mixed chemical liquid supplied to the drum 65, respectively. Liquid mixing device characterized in that consisting of. delete The method of claim 1, The connecting pipe 55 connecting the inline mixer 40 and the buffer tank 50 is installed at a position where the coupling to the buffer tank 50 is at least higher than the top of the inline mixer 40 in the form of a U-shaped pipe. 40 is a liquid mixing device, characterized in that configured to maintain the state of the full liquid storage state of the chemical liquid. delete delete