CN114917625A - A device for automatically removing fine foam from liquid surface - Google Patents

Abstract

The present disclosure provides a device for automatically removing fine foam from liquid surface, including: a defoaming platform, which is arranged above the liquid level; a coarse slag separating screen, which is fixed on the lower surface of the defoaming platform; The connecting rod on the lower surface of the defoaming platform and the floating ball at the free end of the connecting rod, the floating ball assembly is arranged in a circular array on the lower surface of the defoaming platform, and is arranged outside the coarse slag separation screen, where N≥3; the adjustment component is located in the defoaming platform The upper part of the platform includes the platform height adjustment screw that is raised and pierced through the defoaming platform and used to adjust the opening angle of the connecting rod; the suction pipe, one end is connected to the high-pressure fan, and the other end is fixed in the middle of the defoaming platform from top to bottom. The suction port is set above the liquid level below the de-foaming platform. Under the negative pressure state of the high-pressure fan, the foam near the suction port is sucked into the suction pipe. The invention adopts compact and simple structure and low power, and can be installed in a closed extraction tank to automatically remove the fine foam floating on the liquid surface. Comply with GMP production specifications.

Description

A device for automatically removing fine foam from liquid surface

technical field

The present disclosure relates to the technical field of liquid medicine processing and preparation, in particular to an automatic liquid surface fine foam removal device.

Background technique

When extracting Chinese medicinal materials, there are often many slight impurities floating on the liquid surface to be removed. For example, there are many toxic foamy impurities floating on the liquid surface during the extraction of ephedra. Because it is similar to ephedra, it only appears in a thin layer on the surface of the boiling liquid, in a suspended state. It does not contain solids and cannot be retained by the screen; after the boiling degree is reduced, the foam is immediately dissolved in the liquid, and the time it floats on the boiling liquid is very short. At present, it is removed by hand with a scoop at high temperature, and it is difficult to separate it from the liquid surface by mechanical means.

In addition, this defoaming process can only be carried out in small batches in an open pot, and cannot be carried out in a high temperature and airtight extraction tank. A number of factors make it difficult to remove foam from the liquid surface. Large-scale GMP production cannot remove the toxic foam of ephedra. At present, there has been a lack of ideal foam removal devices in China.

SUMMARY OF THE INVENTION

The present disclosure provides an automatic liquid surface fine foam removal device to solve the technical problem recognized by the inventor.

A device for automatically removing liquid surface fine foam, comprising: a foam removal platform, which is arranged above the liquid surface;

The slag separation coarse mesh is fixed on the lower surface of the de-foaming platform;

N floating ball assemblies, including a connecting rod rotatably connected to the lower surface of the defoaming platform and a floating ball at the free end of the connecting rod, the floating ball assemblies are circumferentially arrayed on the lower surface of the defoaming platform and arranged on the slag separator Outside the coarse mesh, where N ≥ 3;

an adjustment component, which is arranged on the upper part of the de-foaming platform, and includes a platform height adjusting screw that is raised and pierced through the de-foaming platform and used to adjust the opening angle of the corresponding connecting rod;

One end of the suction pipe is connected to the high-pressure fan, and the other end is fixed in the middle of the defoaming platform from top to bottom. The free end of the suction pipe is provided with a suction port. When the defoaming platform is placed on the page, the floating ball assembly Open, the suction port is arranged above the liquid level below the defoaming platform, and under the negative pressure state of the high-pressure fan, the foam near the suction port is sucked into the suction pipe.

In any of the above technical solutions, it further includes: a blowback pipe, one end of which is connected to the high-pressure blower, and the other end penetrates the de-foaming platform from top to bottom.

In any of the above technical solutions, it further includes: a backflushing port is provided at the lower free end of the backflushing pipe, and the backflushing port is arranged in the coarse slag separation screen; when the device floats on the liquid surface, the backflushing port is The mouthpiece is set above the liquid level.

In any of the above technical solutions, it further includes: an exhaust solenoid valve and a backflush solenoid valve are provided on the blowback pipe.

In any of the above technical solutions, it further includes a foam suction tube, the foam suction tube is sleeved outside the suction port.

In any of the above technical solutions, further, the foam cartridge includes two layers of inner and outer coaxial filter foam fine meshes, wherein the axial length of the outer layer filter foam fine mesh is the axial length of the inner layer filter foam fine mesh. half.

In any of the above technical solutions, further, the horizontal position of the lower end of the inner layer of fine filter foam is lower than the horizontal position of the lower end of the coarse slag separation screen.

In any of the above technical solutions, further, the floating ball assembly includes a connecting seat fixed on the lower surface of the de-foaming platform, and the upper end of the connecting rod is rotatably connected to the connecting seat.

In any of the above technical solutions, further, the adjustment assembly includes a gear box fixed above the de-foaming platform, and a main gear linked by a speed regulating motor on the upper part of the gear box is arranged in the gear box.

In any of the above technical solutions, further, the platform height adjustment screw is screwed on the de-foaming platform through a threaded structure, and a driven gear meshing with the main gear is provided on the upper part of the platform height adjustment screw.

The beneficial effects of the present disclosure mainly lie in:

A device for automatically removing liquid surface fine foam, comprising: a defoaming platform arranged above the liquid level; a coarse slag separating screen fixed on the lower surface of the defoaming platform; The connecting rod on the lower surface of the platform and the floating ball at the free end of the connecting rod, the floating ball assembly is circumferentially arrayed on the lower surface of the defoaming platform, and is arranged outside the coarse slag separation screen, where N≥3; the adjustment assembly, It is arranged on the upper part of the defoaming platform, including a platform height adjustment screw that is raised and runs through the defoaming platform and is used to adjust the opening angle of the corresponding connecting rod; one end of the suction pipe is connected to the high-pressure fan, and the other end penetrates from top to bottom. It is fixed in the middle of the defoaming platform, and the free end of the lower part of the suction pipe is provided with a suction port. When the defoaming platform is placed on the page, the floating ball assembly is opened, and the suction port is set in all the places below the defoaming platform. Above the liquid level, under the negative pressure state of the high-pressure fan, the foam near the suction port is sucked into the suction pipe. The invention can automatically remove the fine bubbles suspended on the liquid surface which are difficult to be intercepted by the screen mesh. Comply with GMP production specifications.

It is to be understood that both the foregoing general description and the following detailed description have been presented for purposes of illustration and description and are not necessarily intended to limit the present disclosure. The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate the subject matter of the present disclosure. At the same time, the specification and drawings serve to explain the principles of the present disclosure.

Description of drawings

In order to illustrate the specific embodiments of the present disclosure or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the specific embodiments or the prior art. Obviously, the accompanying drawings in the following description The drawings are some embodiments of the present disclosure. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present disclosure.

icon:

Float 1, connecting rod 2, defoaming platform 3, suction port 4, fine foam filter 5, foam suction cylinder 6, slag separation coarse screen 7, high pressure fan 8, suction pipe 9, backflushing solenoid valve 10, Exhaust solenoid valve 11, blowback pipe 12, blowback port 13, speed regulating motor 14, gear box 15, platform height adjusting screw 16.

Detailed ways

The technical solutions of the present disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are a part of the embodiments of the present disclosure, but not all of the embodiments.

Based on the embodiments in the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present disclosure.

In the description of the present disclosure, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present disclosure and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation or a specific orientation. construction and operation, and therefore should not be construed as limiting the present disclosure. Furthermore, the terms "first", "second", and "third" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present disclosure, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present disclosure can be understood in specific situations.

Example 1

As shown in Figure 1, an automatic liquid surface fine foam removal device is composed of three parts, namely, a defoaming system, a suction system and a platform height adjustment system. Among them, the main task of the defoaming system is to remove the liquid surface foam of the liquid medicine in time; the suction system has two functions, inhalation and blowing. When too much slag is adsorbed, the air blowing function needs to be activated to blow away the slag on the filter screen. This function can be analogous to the backwash function of the pipeline structure.

As a preferred solution of this embodiment, specifically, the device includes: a defoaming platform 3, which is arranged above the liquid level;

The coarse slag separation screen 7 is fixed on the lower surface of the de-foaming platform 3. The coarse slag separation screen 7 includes a vertical wall surface, and the lower part can be set as a bottomed structure or a bottomless structure. When the slag separation coarse screen 7 has a bottom, the bottom surface is The middle part is provided with a through hole through which the foaming cylinder 6 can be passed out;

3 floating ball assemblies, including the connecting rod 2 rotatably connected to the lower surface of the de-foaming platform 3 and the floating ball 1 at the free end of the connecting rod 2, the circular array of the floating ball assemblies is on the lower surface of the de-foaming platform 3, and is arranged on the slag separator. Net 7 outside.

When the defoaming platform 3 is put into the liquid level of the extraction tank, the three floating balls 1 are automatically positioned at the center of the liquid level in the tank when the liquid level opens, and the lower part of the coarse slag screen 7 extends below the liquid level.

The adjustment assembly is located on the upper part of the defoaming platform 3, including the platform height adjustment screw 16 which is raised and runs through the defoaming platform 3 and is used to adjust the opening angle of the corresponding connecting rod 2; it is worth noting that the upper part of each floating ball assembly There is a platform height adjustment screw 16 correspondingly, and the overhead projection of the central axis of the platform height adjustment screw 16 falls in the overhead projection of the corresponding connecting rod 2, and the connecting rod 2 adjusts and removes the foaming platform through the platform height adjustment screw 16 on its upper part. the angle between 3.

Due to structural reasons, when the floating ball assembly is fully opened, there will still be an acute angle between the connecting rod 2 and the defoaming platform 3, and the angle between two adjacent connecting rods 2 projected in the same plane is also impossible. It is an absolute 180 degrees, and it can only be an obtuse angle close to 180 degrees. When the platform height adjusting screw 16 moves downward through rotation, the obtuse angle formed by the projection of the two connecting rods 2 in the same plane will gradually decrease, thereby raising the height of the defoaming platform 3 relatively.

When the steam pressure fluctuates greatly for some reason, the boiling of the medicinal liquid in the extraction tank will also fluctuate greatly, and even bumping occurs. At this time, the high-pressure fan 8 will not only suck out the light and thin foam, but also suck out a large amount of extraction liquid. At this time, the defoaming platform 3 must be raised: operate the regulator outside the tank, control the speed regulating motor 14 installed on the defoaming platform 3, the speed regulating motor 14 drives the gear box 15, drives the platform height adjustment screw 16 to rotate, and passes The adjusting screw drives the connecting rod 2 of the float ball 1, and under the support of the float ball 1, the distance between the central foam cylinder 6 of the de-foaming platform 3 and the liquid surface is changed, thus eliminating the phenomenon of water pumping. The lifting and lowering of the platform height adjustment screw 16 is analogous to the principle of a linear lifting module or a screw nut. As shown in Figure 1, a nut structure that is sleeved and matched with the platform height adjustment screw 16 is indeed provided on the defoaming platform 3.

One end of the suction pipe 9 is connected to the high-pressure fan 8, and the other end is fixed in the middle of the defoaming platform 3 from top to bottom. The free end of the lower part of the suction pipe 9 is provided with a suction port 4. The ball assembly is opened, and the suction port 4 is set above the liquid level below the de-foaming platform 3 . Under the negative pressure state of the high-pressure fan 8 , the foam near the suction port 4 is sucked into the suction pipe 9 .

The medicinal material is heated by the jacket in the extraction tank. After the medicinal liquid is heated and boiled, it rises and rolls concentrically along the tank wall, and the floating foam is pushed to the center of the liquid surface of the tank. The foam in the narrow area between the defoaming platform 3 and the liquid surface is immediately affected by the suction force of the suction port 4 in the center of the defoaming platform 3, and is discharged to the outside of the device through the suction pipe 9.

The device also includes: a blowback pipe 12, one end of which is connected to the high-pressure fan 8, and the other end penetrates through the defoaming platform 3 from top to bottom.

It also includes: a backflushing port 13 is provided at the lower free end of the backflushing pipe 12, and the backflushing port 13 is set in the coarse slag separation screen 7; when the device floats on the liquid surface, the backflushing port 13 is set above the liquid level.

It also includes: the blowback pipe 12 is provided with an exhaust solenoid valve 11 and a blowback solenoid valve 10 .

The power to generate the suction is to use the side air channel vortex high temperature and high pressure fan 8, which has the functions of intake and exhaust at both ends of the positive and negative pressures. The negative pressure end is used as the power to suck the medicine foam; the positive pressure end has the function of blowing back the floating medicinal materials blocked on the periphery of the coarse mesh. In order to enhance the blowback force at the positive pressure end, the blowback solenoid valve 10 is opened and the exhaust solenoid valve 11 is closed at the same time during blowback. During backflushing, the negative pressure end still maintains the function of continuous suction and defoaming.

Embodiment 2

The defoaming device in this embodiment is an improvement on the basis of Embodiment 1. The technical content disclosed in Embodiment 1 is not described repeatedly, and the content disclosed in Embodiment 1 also belongs to the content disclosed in this embodiment.

The embodiments of the present disclosure also provide a device for automatically removing liquid surface fine foam, including any of the above technical solutions. Therefore, it has all the beneficial technical effects of the device for automatically removing liquid surface fine foam, which will not be repeated here.

As shown in FIG. 1 , the present disclosure further includes a foaming cartridge 6 , which is sleeved outside the suction port 4 .

The foam cartridge 6 includes two layers of inner and outer layers of coaxial filter foam fine nets 5 , wherein the axial length of the outer layer of filter foam fine nets 5 is half of the axial length of the inner layer of filter foam fine nets 5 .

The horizontal position of the lower end of the inner filter foam fine mesh 5 is lower than that of the lower end of the coarse slag separation mesh 7 .

During the evaporation process, when the liquid level falls, the float 1 will follow it down. Therefore, the foaming cylinder 6 in the center of the defoaming platform 3 always maintains a constant distance from the liquid surface. When the liquid level fluctuates, in order to keep the lowest resistance at the lowest end of the foam cylinder 6 and the maximum suction force, the upper and lower layers of the foam cylinder 6 are made of stainless steel wire mesh with the same mesh number as the filter foam fine mesh 5, and the inner layer adopts a single layer. The outer layer is a layer added to the single layer.

When the liquid level fluctuates slightly to the bottom end of the foam suction cylinder 6, since the double layer at the upper end is denser and the single layer at the lower end is sparse, the suction force can still suck the foam away even though the liquid level is low; In the middle, due to the dense double layer at the upper end, the weak suction will not take away the liquid medicine, but the foam can still be drawn out under the power of the high-pressure fan 8. The fine medicinal residues are filtered by the fine filter mesh 5 . A coarse slag separation screen 7 is installed at the bottom of the defoaming platform 3 around the periphery of the foam suction cylinder 6 in a large area. The coarse slag separating screen 7 with a larger diameter increases the area for blocking more coarse slag.

Embodiment 3

This embodiment is an improvement on the basis of Embodiments 1 and 2. The technical contents disclosed in Embodiments 1 and 2 are not described repeatedly, and the contents disclosed in Embodiments 1 and 2 also belong to the contents disclosed in this embodiment.

As shown in Figure 1, an automatic liquid surface fine foam removal device, the float assembly includes a connection seat fixed on the lower surface of the de-foaming platform 3, and the upper end of the connecting rod 2 is rotatably connected to the connection seat.

The adjustment assembly includes a gear box 15 fixed on the top of the de-foaming platform 3 . The gear box 15 is provided with a main gear linked by a speed regulating motor 14 on the upper part of the gear box 15 .

The platform height adjusting screw 16 is screwed on the de-foaming platform 3 through a threaded structure, and a driven gear meshing with the main gear is arranged on the upper part of the platform height adjusting screw 16 .

When the steam pressure fluctuates greatly for some reason, the boiling of the medicinal liquid in the extraction tank will also fluctuate greatly, and even bumping occurs. At this time, the height of the foam will rise rapidly to fill the space between the defoaming platform 3 and the liquid surface. At this time, the high-pressure air will not only suck out the light and thin foam, but also a large amount of extraction liquid. At this time, the defoaming platform 3 must be raised. The solution is to operate the regulator outside the tank to control the speed regulating motor 14 installed on the defoaming platform 3. The speed regulating motor 14 drives the gear set in the gear box 15 to drive The platform height adjustment screw 16 rotates, and the platform height adjustment screw 16 rotates to push the connecting rod 2 of the floating ball 1 to rotate toward the center of the defoaming platform 3. The distance of the liquid level solves the problem of draining the extraction liquid. The selected speed regulating motor 14 is a forward and reverse rotation motor, and the distance between the foam suction cylinder 6 and the liquid surface can be finely controlled with a suitable rotation speed ratio, so that the foam can be just sucked away without the liquid medicine being sucked away. The device includes an external protective protective casing, and the drive assembly that drives the platform height adjustment screw 16 to rise and fall is fixed in the protective casing, that is, the main gear in the gear box and the driven gear meshing with it are both rotatably arranged in the protective casing. And the rotating shafts of the main gear and the driven gear are vertically arranged.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present disclosure, but not to limit them; although the present disclosure has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The technical solutions described in the foregoing embodiments can still be modified, or some or all of the technical features thereof can be equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present disclosure. scope.

Claims (10)

1. An automatic clear liquid level fine bubble device which characterized in that includes: the defoaming platform is arranged above the liquid level;

the slag separation coarse net is fixed on the lower surface of the defoaming platform;

the N floating ball assemblies comprise connecting rods rotatably connected to the lower surface of the defoaming platform and floating balls at free ends of the connecting rods, the floating ball assemblies are circumferentially arrayed on the lower surface of the defoaming platform and are arranged outside the slag isolating coarse net, and N is more than or equal to 3;

the adjusting assembly is arranged at the upper part of the defoaming platform, and comprises a platform height adjusting screw rod which is in a lifting type and penetrates through the defoaming platform and is used for adjusting the opening angle of the corresponding connecting rod;

high-pressure positive blower is connected to suction tube, one end, and the other end from top to bottom runs through to be fixed remove foam platform middle part, suction tube lower part free end sets up the suction mouth, and when removing the foam platform and placing on the page, the floater subassembly opens, the suction mouth sets up and is removing the foam platform below the liquid level top, under high-pressure positive blower negative pressure state, with near the foam suction of suction mouth extremely in the suction tube.

2. The apparatus for automatically removing fine foam from a liquid surface according to claim 1, further comprising: and one end of the back flushing pipe is connected with the high-pressure fan, and the other end of the back flushing pipe penetrates through the defoaming platform from top to bottom.

3. The apparatus for automatically removing liquid level fine foam according to claim 2, further comprising: a free end of the lower part of the back flushing pipe is provided with a back flushing port, and the back flushing port is arranged in the slag isolating coarse net; when the device floats on the liquid level, the back flushing port is arranged above the liquid level.

4. The apparatus for automatically removing fine foam from a liquid surface according to claim 2, further comprising: and the back flushing pipe is provided with an exhaust electromagnetic valve and a back flushing electromagnetic valve.

5. The device for automatically removing liquid level fine foam according to claim 1, further comprising a foam suction cylinder sleeved outside the suction port.

6. The device for automatically removing liquid surface fine foam according to claim 5, wherein the foam suction cylinder comprises an inner layer and an outer layer which are coaxial, wherein the axial length of the outer layer is half of that of the inner layer.

7. The device for automatically removing the liquid level fine foam according to claim 6, wherein the lower end horizontal position of the inner layer fine filtering net is lower than that of the coarse slag isolating net.

8. The apparatus for automatically removing fine foam on a liquid level according to claim 1, wherein the floating ball assembly comprises a connecting seat fixed on a lower surface of the foam removing platform, and an upper end of the connecting rod is rotatably connected to the connecting seat.

9. The device for automatically removing the liquid level fine foam according to claim 1, wherein the adjusting assembly comprises a gear box fixed above the foam removing platform, and a main gear linked by a speed regulating motor arranged on the upper part of the gear box is arranged in the gear box.

10. The apparatus for automatically removing fine foam on liquid level according to claim 9, wherein the platform height adjusting screw is screwed on the foam removing platform through a screw structure, and a driven gear engaged with the main gear is provided at an upper portion of the platform height adjusting screw.

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