KR100635531B1 - Complex powdered medicine injection device capable of gathering medicine-dust - Google Patents

Abstract

A composite chemical powder injecting apparatus enabling dust collection is provided to minimize installation space of the equipment, prevent dust scattering of chemical powder and clogging of a filter due to the chemical powder, dissolve the chemical powder without power using pressurized water, and supply a uniform quantity of chemical dissolved water. A composite chemical powder injecting apparatus enabling dust collection comprises: a hopper(13) for receiving supply of chemical powder; a transfer feeder(21) installed on a lower portion of the hopper to transfer chemical powder; a hood(16) installed in an upper part of the hopper to collect and discharge dust of chemical powder; a vertical dust collecting pipe(23) for transferring chemical powder by the transfer feeder and transferring dust of the chemical powder by a duct(17) connected to the hood; a first venturi dissolution tank(26) which is integrally connected to a lower portion of the vertical dust collecting pipe to primarily dissolve chemical powder; a spray nozzle(25) placed on a central axis line of the first venturi dissolution tank to form a negative pressure in the first venturi dissolution tank by spraying a dissolving solution of high pressure; and a second swirl flow dissolution tank(27) integrally connected to a lower portion of the first venturi dissolution tank to dissolve the chemical powder and dust of the chemical powder into the dissolving solution by a rotational motion of the dissolving solution and discharge the dissolved solution.

Description

Complex powdered medicine injection device capable of gathering medicine-dust}

1 is a conceptual diagram of a powder chemical injection device of the prior art

2 is a conceptual diagram of a compound powder injection device according to an embodiment of the present invention

Figure 3 is a detailed view of the pressurized eductor of the present invention

Figure 4 is a detailed view of the rotary disk gate of the present invention

<Description of Signs of Major Parts of Drawings>

10: powder medicine bag 11: inlet

12: cavity prevention device 13: hopper

14: drive unit 15: dust outlet

16: hood 17: duct

18: drive motor 19: rotary disc gate

20: shredder 21: feed feeder

22: gear train 23: dust collection vertical tube

24: injection pipe 25: injection nozzle

26: primary venturi melting tank 27: secondary swirl flow melting tank

28: air communication port 29: first turning nozzle

30, 31, 32, 34: control valve 33: stirring eductor

35: pressurized eductor 36: second turning nozzle

37: heater 41: hopper

42: cavity preventing device drive unit 43: cavity preventing device

44: hood 45: bag filter

46: drive motor 47: reduction pulley

48: transfer screw 49: crusher

50: gate 51: control valve

52: dissolution tank 53: stirring drive unit

54: stirrer 55,56: discharge pump

The present invention relates to a compound powder injection device capable of dust collection, and more particularly, to a powder medicine injection device used in a water purification plant (waste, wastewater treatment plant) of water and sewage equipment, the inhalation of powdered medicine using the Venturi effect and By constructing the powder medicine injection device by dissolving powder medicine through the swirl flow, it minimizes the installation space of the device and at the same time prevents the dust of the powder medicine from scattering and clogging of the filter. The present invention relates to a composite powder medicine injection device capable of collecting dust and using a pressurized water in a treatment plant without mixing and pumping, thereby allowing pressurized supply of chemical dissolved water.

The powder chemical injection device is a facility for dissolving and injecting various powdered chemicals such as activated carbon and slaked lime polymer in a water purification plant (bottom wastewater treatment plant).

Conventional powder chemical injection device is operating by installing a separate dust collector (bag filter) in order to remove the dust of the chemical generated when the powder chemical is added to the hopper and stirred.

1 schematically illustrates a conventional powder medicine injection device, a hopper 41 receiving a medicine from the outside, a dissolution tank 52 having a space for dissolving the medicine, and a medicine in the hopper 41. The cavity preventing device 43 to rotate to prevent the phenomenon of cavitation, the cavity preventing device driving unit 42 for imparting a rotational force to the cavity preventing device 43, and to discharge the dust of the chemical generated in the hopper 41 A discharge hood 44, a bag filter 45 for absorbing and removing the dust of the chemicals discharged from the discharge hood, a gate 50 installed below the hopper to drop the chemical downward, and the lower gate In the crusher 49 for crushing the lump of the drug, the transfer screw 48 for sending the crushed drug to the dissolution tank 52 for dissolving the drug, and the drive unit for driving the crusher 49 and the transfer screw 48 And dissolve into the dissolution tank. Chemicals from the control valve 51 for adjusting the supply of the liquid, the stirrer 54 for generating the swirl flow in the dissolution tank, the stirring driver 53 for rotating the stirrer 54, and the dissolution tank 52 It comprises a discharge pump (55, 56) for forcibly discharging the mixed solution of the dissolved solution to the outside.

The drive unit includes a drive motor 46 and a reduction pulley 47, a gear train connecting the crusher 49, the transfer screw 48, and the reduction pulley 47.

Therefore, the conventional powder chemical injection device must artificially apply rotational force from the outside in order to mix the dissolving liquid and powder chemical, and also introduces the dissolving liquid into the dissolution tank 52, and the mixed liquid mixed with the chemical to the outside. Discharge pumps 55 and 56 had to be installed in order to drain.

In addition, due to the structure as described above, because the powdered drug adheres to the inner wall of the dissolution tank 52 and hardens, the inside of the dissolution tank 52 has to be cleaned periodically.

Then, when there is an abnormal balance between the amount of dissolved liquid flowing into the dissolution tank 52 and the suction amount of the discharge pumps 55 and 56 through the discharge pumps 55 and 56, the idling and the dissolved water of the discharge pumps 55 and 56 overflow. An accident that occurs (overflowing) occurs, and this caused a significant disruption to the operation of the entire treatment plant due to the chemical retention of the dissolution tank 52.

In addition, a state in which the bag filter 45 installed in the dust collecting device is clogged and unusable often occurs, and even when the bag filter 45 is cleaned to release the state, dust inside the workplace is contaminated by dust. .

An object of the present invention devised to solve the above problems, in the powder chemical injection device used in the water purification plant (waste, wastewater treatment plant) of the sewage, sewage equipment, the suction and swirl flow generation of the powder chemical using the venturi effect The powder chemical injection device is configured by dissolving the powdered chemical through the product, minimizing the installation space of the device, and preventing the powder chemical from scattering and clogging of the filter. Without the use of pressurized water in the treatment plant is to provide a composite powder medicine injection device capable of dust-free dissolution and equilibrium amount of chemical dissolved water can be supplied.

The present invention for achieving the above object, a hopper for receiving a powdered drug; A feed feeder installed under the hopper to transfer powdered medicines; A hood installed at an upper portion of the hopper to collect and discharge dust of a powdered medicine; A dust collecting vertical tube through which the powder medicine is delivered by the transfer feeder, and the dust of the powder medicine is transferred by a duct connected to the hood; A primary venturi dissolution tank connected integrally to the lower portion of the vertical tube to dissolve powdered chemicals primarily; A spray nozzle which is located on a central axis of the primary venturi dissolution tank and injects a high pressure dissolving liquid to form an inside of the primary venturi dissolution tank at a negative pressure; And a secondary swirl flow dissolution tank integrally connected to a lower portion of the primary venturi dissolution tank and dissolving and discharging dust of the powdered medicine and powdered medicine in the dissolving solution by the rotational movement of the dissolving solution. It is a chemical injection device.

The upper sidewall of the primary venturi dissolution tank is characterized in that the first turning nozzle for generating a swirl flow in the primary venturi dissolution tank by spraying a high pressure solution.

In addition, the inner wall surface of the primary venturi dissolution tank is characterized in that the spiral projection further helps to generate the swirl flow.

In addition, the upper portion of the secondary swirl flow dissolution tank is characterized in that the air communication port is further installed to facilitate the formation of negative pressure in the stirring eductor and the pressure eductor.

In addition, a second swing nozzle is formed on the upper portion of the secondary swirl flow dissolution tank so that swirl flow is generated by supplying a high pressure solution.

In addition, the inner wall surface of the secondary swirl flow dissolution tank is characterized in that the spiral projection further helps to generate the swirl flow.

In addition, the bottom portion of the inside of the secondary swirl flow dissolution tank is characterized in that the stirring eductor for spraying the high-pressure dissolving liquid is formed to prevent the powder medicine sinks and aggregates.

In addition, the output amount is fixed, characterized in that the discharge duct is further provided in the lower portion of the dissolution tank, the amount of the mixed solution discharged from the secondary swirl flow dissolution tank according to the flow rate of the dissolved solution to be input.

In addition, between the hopper and the transfer feeder is further provided with a rotary disk gate for supplying or blocking powder medicine in the hopper to the feed feeder side, the rotary disk gate is provided with a plurality of discharge holes at a constant angle between the two Is formed by overlapping the disks of any one of the disks, characterized in that can be opened or closed or partially opened.

In addition, by installing a heater in the lower portion of the feed feeder, it is characterized by preventing the adsorption of powdered chemicals by preventing the occurrence of moisture in the lower feeder and the hopper.

In addition, the duct is connected to the side of the dust collecting vertical pipe, the cyclone is formed in the interior of the dust collecting vertical pipe is characterized in that dust can be collected.

Hereinafter, the present invention will be described in detail through examples and drawings.

Figure 2 shows a composite powder chemical injection device according to an embodiment of the present invention.

The composite powder chemical injection device is largely divided into a hopper portion and a dissolution portion.

The hopper part is a hopper 13 for delivering the powdered medicine to the dissolving part by a predetermined amount while temporarily receiving the powdered medicine and an inlet for supplying the powdered medicine to the hopper 13 through the powdered medicine bag 10 or the like. (11), a cavity preventing device 12 for transporting downward while preventing crosslinking of the powdered medicine in the hopper 13, and a drive unit 14 for rotating the cavity preventing device 12.

The hopper 13 is a large rotating body and narrows in diameter toward the lower side.

In addition, between the hopper 13 and the feed feeder 21 is provided with a rotary disk gate 19 which can supply or block the powdered chemicals in the hopper 13 to the feed feeder 21 side.

As shown in FIG. 4, the rotatable disk gate 19 is formed by overlapping two disks provided with a plurality of discharge holes at regular intervals, thereby opening or closing or partially opening the disks by rotation of one of the disks. Can be.

The rotary disc gate 19 is operated by the drive unit 14.

The cavity preventing device 12 is substantially the same as the cross-sectional shape inside the hopper 13, and has a size that can rotate with a gap between the inner wall of the hopper (13).

The crusher 20 is installed at the lower side of the rotary disc gate 19 to crush the powdered chemical dropped from the hopper 13 by its own weight.

In general, the crusher 20 may be a rotary cutter or a screw cutter.

Then, a feed feeder 20 for discharging a predetermined amount of powdered medicine to the outside of the crusher 20 is installed.

As the feed feeder 20 can exert a large force, it is preferable to use a transfer screw that can reliably transfer a certain amount.

A heater 37 is installed at the lower part of the feed feeder 20 to control the powdered medicine at a constant temperature, thereby preventing moisture generation at the lower portion of the feeder 20 and the hopper 13 to adsorb the powdered medicine. To prevent it.

The shredder 20 and the feed feeder 20 are driven by a drive motor 18. Of course, each drive source may be used, but the device is complicated, so as to drive both the shredder 20 and the feed feeder 20 by using the gear train 22 in one drive source as in the embodiment of the present invention. It is preferable.

The upper portion of the hopper 13 is provided with a dust outlet 15 and the hood 16 to collect and discharge the dust of the powdered chemical generated by the supply of the powdered chemical or by the rotation of the cavity preventing device 12.

Thus, the hood 16 and the feed feeder 20 is to provide the powdered medicine and powdered powder dust to the dissolution unit.

The dissolution unit is largely divided into a dust collecting vertical pipe 23, which receives the powdered medicine and powdered chemical dust, the primary venturi dissolution tank 26 for dissolving the powdered chemical and powdered chemical dust first, and the powdered medicine and powdered chemical Secondary swirl flow dissolution tank 27 which melt | dissolves dust secondary is included.

The dust collecting vertical pipe 23 of the melting part is connected by the hood 16 and the duct 17 and is directly connected to the feed feeder 21. Dust transported through the duct 17 connected to the dust collecting vertical pipe 23 is formed to form a cyclone inside the dust collecting vertical pipe 23 to be collected.

At the lower end of the dust collecting vertical pipe 23, a primary venturi dissolution tank 26 is integrally formed to dissolve the powdered chemical and the powdered chemical dust.

In addition, an injection nozzle 25 is installed on the central axis of the first venturi dissolution tank 26 to supply a high pressure solution.

Accordingly, as the high pressure dissolution liquid acts in the primary venturi dissolution tank 26, a negative pressure is formed in the primary venturi dissolution tank 26 by a venturi effect, and powder is formed through the duct 17. It causes the effect of inhaling the dust of the drug.

In the embodiment of the present invention, although the injection pipe 24 in which the injection nozzle 25 is installed is installed inside the vertical pipe 23, the dissolution liquid may be injected onto the central axis of the primary Venturi dissolution tank 26. Any position is irrelevant if possible.

In addition, a first turning nozzle 29 is installed at the side of the first venturi dissolving tank 26 so that the dissolution liquid forms swirl flow in the first venturi dissolving tank 26.

This serves to wash off the powdered chemicals supplied from the feed feeder 21 and the powdered chemicals dust supplied through the duct 17 and to dissolve first.

At this time, it is also possible to form a spiral protrusion inside the first venturi dissolution tank 26 to assist in the formation of swirl flow in the first venturi dissolution tank 26.

The amount of the dissolving liquid supplied through the first turning nozzle 29 is controlled by the control valve 30.

Under the first venturi dissolution tank 26, a conical secondary swirl flow dissolution tank 27 is integrally formed.

The first venturi dissolution tank 26 is installed to be biased outward from the center of the dissolution tank 27, which is to receive more influence by the swirl flow formed inside the secondary swirl flow dissolution tank 27. .

The upper portion of the secondary swirl flow dissolving tank 27 is provided with a second swirl nozzle 36 for causing swirl flow in the secondary swirl flow dissolving tank 27, and the solution of melt solution supplied through the second swirl nozzle. The amount is adjusted by the control valve 31.

Similarly, it is also possible to form a spiral protrusion inside the secondary swirl flow dissolution tank 27 to assist in the formation of swirl flow in the secondary swirl flow dissolution tank 27.

In addition, an upper portion of the secondary swirl flow dissolution tank 27 is provided with an air communication port 28 to smoothly form negative pressure generated in the stirring eductor 33 and the pressure eductor 35.

In addition, a stirring eductor 33 is installed at the lower portion of the secondary swirl flow dissolution tank 27 to prevent the powdered medicine from being dissolved with the solution and settles down. By discharging the high pressure solution through the floated powdered medicine again serves to promote dissolution.

A pressurized eductor 35 is installed below the dissolution tank 27, and the mixed liquid discharged from the high pressure dissolving liquid and the secondary swirl flow dissolving tank 27 is input to the pressure eductor 35.

At this time, the high pressure dissolved liquid entering the pressurized eductor 35 can be adjusted by the control valve 34, the discharge of the pressurized eductor 35 is determined, so as to control the control valve 34 Accordingly, the amount of the mixed liquid that can be discharged from the secondary swirl flow dissolution tank 27 can be adjusted.

Therefore, the water level inside the secondary swirl flow dissolution tank 27 can be kept constant.

Therefore, by the composite powder medicine injection device according to the present invention as described above, dust collection of the powdered medicine, dissolution of the powdered medicine and conveyance of the mixed liquid of the powdered medicine can be made without using a separate power.

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

The composite powder chemical injection device capable of collecting dust of the present invention prevents dust from scattering of powdered chemicals and clogs of the filter, and dissolves and equalizes the non-power by using pressurized water in the treatment plant without mixing and pumping by power that causes accidents and failures. A supply of chemical dissolved water can be made.

In addition, it is possible to minimize the installation space of the powder chemical injection device due to the non-installation of the power source and the pump as described above.

Claims (11)

Hopper supplied with powdered medicine; A feed feeder installed under the hopper to transfer powdered medicines; A hood installed at an upper portion of the hopper to collect and discharge dust of a powdered medicine; A dust collecting vertical tube through which the powder medicine is delivered by the transfer feeder, and the dust of the powder medicine is transferred by a duct connected to the hood; A primary venturi dissolution tank connected integrally to the lower portion of the vertical tube to dissolve powdered chemicals primarily; A spray nozzle which is located on a central axis of the primary venturi dissolution tank and injects a high pressure dissolving liquid to form an inside of the primary venturi dissolution tank at a negative pressure; And The combined powder medicine which is integrally connected to the lower part of the primary venturi dissolution tank and includes a secondary swirl flow dissolution tank dissolving and discharging dust of the powdered medicine and powdered medicine in the dissolving liquid by the rotational movement of the dissolving liquid. Infusion device. The composite powder capable of collecting dust according to claim 1, wherein a first turning nozzle is installed on the upper sidewall of the primary venturi dissolution tank to spray a high pressure solution to generate swirl flow in the primary venturi dissolution tank. Drug injection device. The dust-injectable composite chemical injection device according to claim 2, wherein the inner wall surface of the primary Venturi dissolution tank is further provided with a spiral protrusion to help generate swirl flow. The method of claim 1, wherein the upper portion of the secondary swirl flow dissolving tank dust collecting compound powder injection device, characterized in that the air communication port is further installed to facilitate the formation of negative pressure in the stirring eductor and the pressure eductor. [Claim 2] The dust-coupling compound injection device of claim 1, wherein a second swirling nozzle is formed on an upper portion of the secondary swirling flow dissolution tank to supply a high pressure solution to generate swirl flow. The dust-injectable composite chemical injection device according to claim 5, wherein the inner wall surface of the secondary swirl flow dissolving tank is further provided with a spiral protrusion to help generate swirl flow. The composite of claim 1, wherein a stirring eductor for spraying the high pressure solution is formed at the bottom of the secondary swirl flow dissolution tank to prevent the powdered medicine from sinking and agglomeration. Powder chemical injection device. The discharge duct according to claim 1, wherein a constant output amount is determined, and a discharge eductor for adjusting the amount of the mixed solution discharged from the secondary swirl flow dissolution tank according to the flow rate of the dissolved solution is further provided in the lower portion of the dissolution tank. Compound powder injection device capable of dust collection. According to claim 1, Between the hopper and the transfer feeder is further provided with a rotary disk gate for supplying or blocking the powder medicine in the hopper to the feed feeder side, the rotary disk gate has a plurality of discharge holes constant angle between Dust-collectible composite chemical injection device is characterized in that the two discs installed to be formed overlapping and formed to be opened or closed or partially opened by the rotation of any one of them. According to claim 1, wherein the lower portion of the transfer feeder is installed, the composite powder medicine injection device capable of dust collection, characterized in that to prevent the adsorption of powdered medicine by preventing the generation of moisture in the lower feeder and the hopper. The method of claim 1, wherein the duct is connected to the side of the dust collecting vertical pipe, the cyclone is formed inside the dust collecting vertical pipe, dust can be collected complex powder medicine injection, characterized in that dust can be collected Device.

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