CN210814139U - Laboratory is with device that improves filter speed - Google Patents

Abstract

The utility model provides a laboratory is with device that improves filter speed, include: the outer wall of the liquid storage device is provided with a temperature conduction interlayer, the upper end part of the liquid storage device is provided with an air inlet and an air outlet, and the bottom of the liquid storage device is provided with a liquid outlet; the air inlet pipeline is connected with the air inlet, and an air inlet valve is arranged on the pipeline; the exhaust pipeline is connected with the exhaust port, and an exhaust valve is arranged on the pipeline; the input end of the liquid outlet main pipe is connected with the liquid outlet; the liquid outlet main pipe is connected with the liquid outlet main pipe through the liquid outlet branch pipes; the at least two filters are connected to the output ends of the liquid separating branch pipes in a one-to-one correspondence manner, each filter is provided with a liquid inlet connected with the liquid separating branch pipe, the bottom of each filter is provided with a discharge outlet, a partition plate is detachably arranged in each filter, and a filter membrane or filter paper is arranged above each partition plate; at least two discharge pipelines which are connected with the discharge ports of the filter in a one-to-one correspondence manner. The device distributes the liquid medicine to a plurality of branches and filters, and indirect increase filters the cross-sectional area, improves filtration efficiency.

Description

Laboratory is with device that improves filter speed

Technical Field

The utility model relates to a laboratory filtration equipment technical field, in particular to laboratory is with device that improves filter speed.

Background

During the pharmaceutical experiment, a filter is often used for the filtration operation. For some medicines which are not stable, the filtration time and the filtration temperature are required, and if the filtration time is too long, the filtration temperature is too high, the impurities in the filtration product are increased, and the quality of the filtration product is influenced. However, the medicinal liquid is usually viscous, the filtering speed is slow, and the viscous medicament is viscous, so that the filtering performance of the filter paper is poor after the medicinal liquid is filtered for a period of time, so that the filter paper needs to be replaced for many times to filter the rest medicinal liquid, and the filter paper is replaced for many times, so that the whole filtering time is prolonged.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a solve above-mentioned problem and go on, aim at provides the device that improves the filter speed in laboratory.

The utility model provides a laboratory is with device that improves filter speed has such characteristic, include: the liquid storage device is an openable sealed container, a temperature conduction interlayer is arranged on the outer wall of the liquid storage device, an air inlet and an air outlet are formed in the upper end of the liquid storage device, and a liquid outlet is formed in the bottom of the liquid storage device; one end of the gas inlet pipeline is connected with the protective gas storage device, the other end of the gas inlet pipeline is connected with the gas inlet, and the gas inlet pipeline is provided with a gas inlet valve; the exhaust pipeline is connected with the exhaust port and is provided with an exhaust valve; the input end of the liquid outlet main pipe is connected with the liquid outlet; the liquid outlet main pipe is connected with the liquid outlet main pipe through the liquid outlet branch pipes; the filter is an openable sealed container, a liquid inlet used for being connected with the liquid separating branch pipe is formed in the upper end of the filter, a discharge hole is formed in the bottom of the filter, a partition plate is detachably mounted in the filter, and a filter membrane or filter paper is arranged above the partition plate; at least two discharge pipelines which are connected with the discharge port of the filter in a one-to-one correspondence way, and each discharge pipeline is respectively provided with a discharge valve.

The utility model provides an in the device that improves filter speed is used in laboratory, can also have such characteristic: wherein, the liquid storage device is in a capsule shape and consists of an upper end cover, a middle cylinder and a lower end cover; the lower edge of the upper end cover is provided with a first flange, the upper edge of the middle cylinder is provided with a second flange, and the first flange and the second flange are fixedly connected through a first clamp, so that the upper end cover and the middle cylinder are fixed; the lower limb of middle drum is provided with the third flange, and the top edge of lower extreme cover is provided with the fourth flange, and the third flange passes through the second clamp connection with the fourth flange to be fixed for middle drum is fixed mutually with the lower extreme cover.

The utility model provides an in the device that improves filter speed is used in laboratory, can also have such characteristic: wherein, lead the temperature intermediate layer and set up in middle drum, lead the outer wall of temperature intermediate layer and seted up intermediate layer entry and intermediate layer export about the central axis symmetry of middle drum.

The utility model provides an in the device that improves filter speed is used in laboratory, can also have such characteristic: wherein, the reservoir still is provided with pressure instrument.

The utility model provides an in the device that improves filter speed is used in laboratory, can also have such characteristic: wherein, the filter is oblate spherical and consists of an upper hemispherical shell and a lower hemispherical shell; the lower limb of going up the hemisphere casing is provided with the fifth flange, and the top edge of lower hemisphere casing is provided with the sixth flange, and the fifth flange passes through the third clamp connection with the sixth flange and fixes for it is fixed mutually with lower hemisphere casing to go up the hemisphere casing.

The utility model provides an in the device that improves filter speed is used in laboratory, can also have such characteristic: wherein, the baffle is circular, installs the upper end position at lower hemisphere.

The utility model provides an in the device that improves filter speed is used in laboratory, can also have such characteristic: wherein the aperture of the mesh of the separator is 0.45-1.0 μm.

The utility model has the advantages that:

the utility model discloses a laboratory is with device that improves filter speed is provided with the reservoir, and the reservoir is connected with a plurality of branch liquid pipes, and every branch liquid pipe all is connected with the filter, can distribute a plurality of branches to the liquid medicine of waiting to filter like this and filter, and the branch road is filtered to many formation of a plurality of branch liquid pipes and a plurality of filters like this, is equivalent to indirect increase filter cross sectional area to guaranteed that filtration rate improves, improved filtration rate moreover, also reduced the operation of changing filter paper in the filtering process. In addition, the filter is internally provided with the partition board, the mesh aperture of the partition board is different from 0.45 to 1.0 μm, so that the porosity of each filter is increased, the filtering time is shortened, and the carbon leakage in the filtering process can be prevented by arranging the filter membrane or the filter paper on the partition board.

In addition, the liquid storage device is connected with an air inlet pipeline, protective gas can be input, the filtering pressure is increased, and the liquid medicine can be prevented from being oxidized.

In addition, the liquid storage device is provided with the temperature conduction interlayer, so that the temperature of the liquid medicine can be reduced by inputting a low-temperature medium into the heat insulation interlayer, and the liquid medicine is prevented from being degraded due to temperature rise.

In addition, the reservoir adopts the three part equipment to form, and the filter adopts two parts equipment to form to this connection fixed mode is fast-assembling clamp connection, such quick-open design of reservoir and filter, makes the reservoir conveniently pour into the liquid medicine and conveniently wash, makes the filter conveniently change filter paper and conveniently wash. In addition, in the transportation and storage processes of the device, the liquid storage device and the filter are convenient to disassemble and assemble, and the storage space can be saved after the disassembly.

Drawings

FIG. 1 is a schematic diagram of a device for increasing the filtration rate in a laboratory according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a reservoir in an embodiment of the invention;

fig. 3 is a schematic cross-sectional view of a filter according to an embodiment of the present invention.

Detailed Description

In order to make the utility model discloses the technological means, creation characteristic, achievement purpose and efficiency that realize are easily understood and are known, and following embodiment combines the drawing right the utility model discloses it specifically explains with the device that improves filter speed to use the laboratory.

As shown in fig. 1, an apparatus 100 for increasing a filtration rate in a laboratory includes: reservoir 1, protective gas storage device (not shown), exhaust pipeline 3, gas inlet pipeline 4, liquid outlet main pipe 5, liquid separating branch pipe 6, filter 7 and discharge pipeline 8.

The liquid reservoir 1 is used for containing liquid to be filtered, is in a capsule shape in an integral shape, is an openable sealed container and consists of a dome-shaped upper end cover 11, a middle cylinder 12 and a round-bottom-shaped lower end cover 13, and the liquid to be filtered can be injected (or poured) by opening the upper end cover 11. The dome and round bottom shape are not easy to accumulate dirt, so that the liquid outlet of the liquid storage device 1 is smooth and convenient to clean.

As shown in fig. 2, the lower edge of the upper end cap 11 is provided with a first flange 113, the upper edge of the middle cylinder 12 is provided with a second flange 121, and the first flange 113 and the second flange 121 are connected and fixed by a first clamp 14 (shown in fig. 1), so that the upper end cap 11 and the middle cylinder 12 are fixed. The lower edge of the middle cylinder is provided with a third flange 122, the upper edge of the lower end cap is provided with a fourth flange 131, and the third flange 122 and the fourth flange 131 are connected and fixed through a second clamp 15 (shown in fig. 1), so that the middle cylinder 12 and the lower end cap 13 are fixed. At least one sealing ring groove (not shown) is formed in the end faces of the first flange 113, the second flange 121, the third flange 122 and the fourth flange 131, and gaskets are mounted in the sealing ring grooves and used for improving sealing performance. The first clamp 14 and the second clamp 15 both adopt fast-assembly clamps, sealing rings (not shown) are mounted on inner side clamping grooves of the fast-assembly clamps to improve sealing performance, and the inner side clamping grooves of the fast-assembly clamps are correspondingly matched with an upper flange and a lower flange which are in contact with each other and fixed through bolts, so that the fast installation of the liquid accumulator 1 is realized; before filtering, the upper end cap 11 can be opened by quickly removing the first clamp 14 to pour (or pour) the liquid to be filtered; after filtration, the reservoir can be cleaned by quickly removing the first clip 14 and the second clip 15.

As shown in fig. 2, the upper cover 11 is opened with an air inlet 111 and an air outlet 112. The air inlet 111 is connected to the air inlet pipe 4, as shown in fig. 1, the air inlet pipe 4 is provided with an air inlet valve 41, and the end of the air inlet pipe 4 is connected to a shielding gas storage device (not shown). The protective gas storage device can be any one of a nitrogen gas storage device, an inert gas storage device and a reducing gas storage device according to the characteristics of the liquid medicine to be filtered, and in the embodiment, the protective gas storage device is the nitrogen gas storage device. In the filtering process, nitrogen is input into the liquid storage device 1 through the protective gas storage device, on one hand, the input gas can increase the filtering pressure, so that the filtering speed is controlled, and on the other hand, the liquid medicine can be properly prevented from being oxidized. The gas outlet 112 is connected to the gas outlet pipe 3 for discharging gas from the interior of the liquid reservoir 1. As shown in fig. 1, the exhaust duct 3 is provided with an exhaust valve 31 for adjusting the discharge flow rate of the gas. The connection mode of the air inlet pipeline 4 and the exhaust pipeline and the liquid storage device 1 is realized by any one of conventional pipeline connection modes such as screw thread connection, socket-and-spigot connection, welding and the like. Both the intake valve 41 and the exhaust valve 31 employ flow rate control valves.

As shown in fig. 2, a pressure gauge 9 is further provided on the upper end cap 11 for monitoring the pressure inside the reservoir 1.

As shown in fig. 2, the outer wall of the middle cylinder 12 is provided with a temperature-conductive interlayer 125 for circulating a cryogenic liquid or gas therein, so that the liquid inside the liquid reservoir 1 is kept at a low temperature. The outer wall of the temperature conduction interlayer is symmetrically provided with an interlayer inlet 123 and an interlayer outlet 124 about the central axis of the middle cylinder 12. The jacket inlet 123 and the jacket outlet 124 are connected to an output terminal and an input terminal of an existing cooling circulation device (e.g., a cooling circulation water system), respectively. The interlayer inlet 123 is disposed at the upper end of the middle cylinder 12, and the interlayer outlet 124 is disposed at the lower end of the middle cylinder 12, so that the low-temperature medium can sink from the upper side to the lower side, the inner wall of the middle cylinder 12 is cooled sufficiently, and the low-temperature medium can be discharged smoothly through the interlayer outlet 124 at the lower end. And flow regulating valves are respectively arranged on the pipelines connected with the interlayer inlet 123 and the interlayer outlet 124 and used for regulating the flow of the low-temperature medium. When the filtering operation is performed, low-temperature gas (or low-temperature liquid) can be introduced (or injected) into the temperature conduction interlayer 125, and the liquid medicine in the liquid storage device 1 can be ensured to be at a low temperature through the circulation of the low-temperature medium, so that the liquid medicine is effectively prevented from being degraded due to temperature rise.

As shown in fig. 2, the bottom of the lower end cap 13 is provided with a liquid outlet 132, as shown in fig. 1, the liquid outlet 132 is connected to the liquid outlet main pipe 5, and the liquid outlet main pipe 5 is used for outputting the liquid medicine to be filtered.

The number of the branch liquid-separating pipes 6 is at least two, one end of the branch liquid-separating pipe 6 is connected with the main liquid-discharging pipe 5, and the other end is connected with the filter 7. In this embodiment, as shown in fig. 1, two branch liquid distribution pipes 6, two filters 7, and two discharge pipes 8 are provided. The two branch liquid-separating pipes 6 are connected with the output end of the main liquid-discharging pipe 5, the two filters 7 are correspondingly connected with the output ends of the two branch liquid-separating pipes 6, and the two discharging pipes 8 are correspondingly connected with the output ends of the two filters 7. The connection mode of the two branch liquid pipes 6 and the output end connected to the main liquid outlet pipe 5 can be realized by the existing three-way adapter.

As shown in fig. 3, the filter 7 is used for filtering the liquid medicine, and the filter 7 is an openable sealed container, has an overall oblate spheroid shape, and is composed of an upper hemispherical shell 71 and a lower hemispherical shell 72.

The lower edge of the upper hemispherical shell 71 is provided with a fifth flange 711, the upper edge of the lower hemispherical shell 72 is provided with a sixth flange 721, and the fifth flange 711 and the sixth flange 721 are fixedly connected through a third clamp 73 (shown in fig. 1), so that the upper hemispherical shell 71 and the lower hemispherical shell 72 are fixed together. At least one sealing ring groove (not shown) is formed in the end surfaces of the fifth flange 71 and the sixth flange 721, and gaskets are mounted in the sealing ring grooves and used for improving sealing performance. Third clamp 73 adopts the fast-assembling clamp, all installs sealing washer (not shown in the figure) with the inboard draw-in groove of fast-assembling clamp in order to increase sealing performance to the inboard draw-in groove of fast-assembling clamp corresponds and contacts two upper and lower flanges and match and pass through the bolt fixed, realizes the quick installation of filter 7, after filtering operation, can dismantle third clamp 73 and realize the washing of filter 7 and change filter paper or filter membrane.

As shown in fig. 1 and 3, a liquid inlet 712 is opened at the top of the upper hemispherical shell 71 of the filter 7, and the liquid inlet 712 is connected with the output end of the branch liquid-separating pipe 6. The bottom of the lower hemispherical shell 72 of the filter 7 is provided with a discharge port 722, and the discharge port 722 is connected with the discharge pipeline 8 to output the filtrate. Liquid separating valves 61 are respectively arranged on the liquid separating branch pipes 6, and discharge valves 81 are respectively arranged on the discharge pipelines 8. The connection mode of the branch liquid separating pipe 6, the discharge pipeline 8 and the filter 7 is realized by any one of conventional pipeline connection modes such as screw thread connection, socket-and-spigot connection, welding and the like. The liquid separating valve 61 and the discharge valve 81 can be any one of a gate valve, a ball valve, a butterfly valve and a flow regulating valve according to actual conditions.

As shown in FIG. 3, only a partition 74 is arranged in the filter 7, the partition is circular, the partition 74 is a titanium alloy sintered net, the mesh aperture of the partition 74 is set to be 0.45-1.0 μm, the porosity of each filter is increased, and the filtering time is shortened. A filter membrane or paper (75 as shown in fig. 3) is placed over the partition 74 to prevent carbon leakage. The upper end position of the inside of lower hemisphere casing 72 is provided with annular bulge 723, and the baffle size and lower hemisphere casing 72 are at this position size looks adaptation, and baffle 74 corresponds and places in annular bulge 723, has avoided influencing filterable condition emergence because of baffle 74 atress inequality on the disc to lead to the baffle slope in filtering process.

The working process of the device 100 for increasing the filtering speed for the laboratory of the embodiment is as follows: the first clamp 14 is loosened, the upper end cover 11 is opened, the liquid medicine to be filtered is poured into the liquid reservoir 1, the upper end cover 11 is closed, and one clamp 14 is screwed down. Then, the liquid separating valve 61 on one liquid separating branch pipe 6 can be opened to allow the liquid medicine to enter one filter 7 for filtering, when the filtering speed of the filter 7 is slowed down, the liquid separating valve 61 on the other liquid separating branch pipe 6 can be immediately opened to allow the liquid medicine to enter the other filter 7, or all the liquid separating valves can be simultaneously opened according to requirements, so that the arrangement of the two filters 7 (filtering branches) is equivalent to indirectly increasing the filtering cross-sectional area, and the filtering speed is ensured. In addition, during the filtration process, a protective gas may be introduced into the reservoir 1 as needed to prevent the oxidation of the liquid medicine. And the low-temperature medium can be input into the temperature-conducting interlayer 125 to keep the liquid medicine at low temperature, thereby effectively preventing the liquid medicine from being degraded due to temperature rise. In addition, the pressure in the reservoir 1 can be observed in real time by the pressure gauge 9, and the exhaust valve 31 can be opened to perform the exhaust when necessary.

The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims (7)

1. A device for increasing filtering speed in a laboratory, which is characterized by comprising:

the device comprises a liquid storage device, a temperature conduction interlayer, a gas inlet, a gas outlet and a liquid outlet, wherein the liquid storage device is an openable sealed container, the outer wall of the liquid storage device is provided with the temperature conduction interlayer, the upper end part of the liquid storage device is provided with the gas inlet and the gas outlet, and the bottom of the liquid storage device is provided with the;

one end of the gas inlet pipeline is connected with the protective gas storage device, the other end of the gas inlet pipeline is connected with the gas inlet, and a gas inlet valve is arranged on the gas inlet pipeline;

the exhaust pipeline is connected with the exhaust port, and an exhaust valve is arranged on the exhaust pipeline;

the input end of the liquid outlet main pipe is connected with the liquid outlet;

the liquid outlet main pipe is connected with the liquid outlet main pipe through the liquid outlet branch pipes;

the filter is an openable sealed container, a liquid inlet used for being connected with the liquid separating branch pipe is formed in the upper end of the filter, a discharge hole is formed in the bottom of the filter, a partition plate is detachably mounted in the filter, and a filter membrane or filter paper is arranged above the partition plate;

and the at least two discharge pipelines are connected to the discharge ports of the filters in a one-to-one correspondence manner, and each discharge pipeline is provided with a discharge valve.

2. The laboratory filter speed enhancement device according to claim 1, wherein:

wherein, the liquid storage device is in a capsule shape and consists of an upper end cover, a middle cylinder and a lower end cover;

a first flange is arranged at the lower edge of the upper end cover, a second flange is arranged at the upper edge of the middle cylinder, and the first flange and the second flange are fixedly connected through a first clamp, so that the upper end cover and the middle cylinder are fixed;

the lower edge of the middle cylinder is provided with a third flange, the upper edge of the lower end cover is provided with a fourth flange, and the third flange and the fourth flange are fixedly connected through a second clamp, so that the middle cylinder and the lower end cover are fixed.

3. The laboratory filter speed enhancement device according to claim 2, wherein:

wherein the temperature conduction interlayer is arranged on the middle cylinder,

the outer wall of the temperature conduction interlayer is symmetrically provided with an interlayer inlet and an interlayer outlet about the central axis of the middle cylinder.

4. The laboratory filter speed enhancement device according to claim 1, wherein:

wherein, the reservoir still is provided with pressure instrument.

5. The laboratory filter speed enhancement device according to claim 1, wherein:

the filter is oblate and consists of an upper hemispherical shell and a lower hemispherical shell;

the lower edge of the upper hemispherical shell is provided with a fifth flange, the upper edge of the lower hemispherical shell is provided with a sixth flange, and the fifth flange and the sixth flange are fixedly connected through a third clamp, so that the upper hemispherical shell and the lower hemispherical shell are fixed.

6. The laboratory filter speed enhancement device according to claim 5, wherein:

the baffle is circular and is arranged at the upper end part of the lower hemisphere.

7. The laboratory apparatus for increasing filtration rate according to claim 1 or 6, wherein:

wherein the aperture of the mesh of the separator is 0.45-1.0 μm.

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