CN217288475U - High-flux independent vacuum concentrator for full-automatic laboratory - Google Patents

Abstract

The utility model provides a high flux stand alone type vacuum concentration appearance for full-automatic laboratory, include the box subassembly that can carry out independent concentrated test to independent concentrated cup, the box subassembly includes the box body, heating stirring unit, a plurality of case lids, drive assembly and circulation condensing system, box body leading flank is equipped with the control unit, box body trailing flank is equipped with a plurality of drive assembly, a case lid is installed to box body trailing flank top through a hinge, the one end that the hinge was connected to the case lid is connected to the output of drive assembly, the bottom surface of every case lid all is equipped with sealed lid, box body inner chamber is equipped with heating stirring unit, heating stirring unit includes the hot plate, the hot plate upper surface is equipped with the bottom plate insulating layer, bottom plate insulating layer surface sets up the concentrated glass stand of a plurality of heat conduction. The utility model discloses regard as an experimental individuality with every concentrated bottle, can carry out independent concentrated experiment to the concentrated bottle of each station, the nimble switching is convenient high-efficient.

Description

High-flux independent vacuum concentrator for full-automatic laboratory

Technical Field

The utility model belongs to the concentrator field especially relates to a high flux stand alone type vacuum concentrator for full-automatic laboratory.

Background

The concentration step of liquid samples is the most widely used chemical and biological analysis test experiment process. The concentration method includes nitrogen blowing concentrator, vacuum concentrator (rotary evaporator, centrifugal vacuum concentrator, water bath vacuum parallel evaporator), etc. The above systems have respective advantages in use, and also have corresponding limitations and disadvantages: or low efficiency, low recovery rate and large volume, or the water bath water phase components in some concentration processes have adverse effects on the concentration result. The concentration process can be partially and automatically completed, and the corresponding unmanned full-automatic concentration process can not be realized. The concentration endpoint is essentially controlled in a predictive or observational manner. Compared with the normal-pressure gas purging concentration, the conventional negative-pressure vacuum concentration instrument has the irreplaceable advantages when used for preparing low-boiling-point liquid samples, easily-oxidized liquid samples and liquid samples with high solvent toxicity and corrosiveness. The multi-channel parallel vacuum concentrator is also available on the market, but the conventional negative pressure vacuum concentrator has the following defects in use: the negative pressure vacuum concentration appearance of common whole sealed cover plate structure in the experimentation, can't add the sample at any time and get and put the sample. Under the traditional complete integral sealing cover plate structure, a series of operations such as suspending an experiment, releasing all vacuum pressure, opening an integral sealing cover plate, taking out a liquid sample which is concentrated in advance or adding a new liquid sample, closing the integral sealing cover plate, reopening the vacuum pressure, continuing to start the experiment and the like are required, so that unreasonable points such as complicated operation, time consumption, influence on experiment success or failure and the like exist; when the concentrating cup is put into the sealed box body as a whole, the interior of the sealed box body is vacuumized, and the vacuum is not heat-conducting, so that the heating effect of other concentrating cups is reduced.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a high flux stand alone type vacuum concentration appearance for full-automatic laboratory, regard every concentrated bottle as an experimental individuality, can carry out independent concentrated experiment to the concentrated bottle of each station, independent heating, nimble switching, convenient high efficiency.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a high-flux independent vacuum concentrator for a full-automatic laboratory comprises a box body assembly capable of performing independent concentration tests on independent concentration cups, wherein the box body assembly comprises a box body, a heating and stirring unit, a plurality of box covers, a driving assembly and a circulating condensing system,

the box body comprises a box body and is characterized in that a control unit is arranged on the front side surface of the box body, a plurality of driving assemblies are arranged on the rear side surface of the box body, a box cover is installed at the top of the rear side surface of the box body through a hinge, one end, connected with the hinge, of the box cover is connected to the output end of the driving assemblies, a sealing cover is arranged on the bottom surface of each box cover, a heating and stirring unit is arranged in the inner cavity of the box body and comprises a heating plate, a bottom plate heat insulation layer is arranged on the upper surface of the heating plate, a plurality of heat conduction concentration cup frames are arranged on the surface of the bottom plate heat insulation layer, a concentration cup is arranged in each heat conduction concentration cup frame, and the sealing covers of the box covers correspond to the concentration cups one by one;

each sealing cover of each box cover is provided with an air passing hole; each air passing hole is communicated to a steam exhaust pipeline through a pipeline to realize the communication between the steam exhaust pipeline and the concentration cup, each steam exhaust pipeline is communicated to a steam collecting pipeline, the air passing holes and the steam exhaust pipeline are in flexible connection, the steam exhaust pipeline is provided with an electromagnetic valve, one end of the steam collecting pipeline is closed, the other end of the steam collecting pipeline is connected to a cold trap, and the cold trap is communicated to a vacuum pump through a vacuum pipeline; the cold trap is also communicated to the circulating condensation system through a first circulating pipeline and a second circulating pipeline, so that a loop is formed between the cold trap and the circulating condensation system; the heating stirring unit, the driving assembly, the vacuum pump, the electromagnetic valve and the circulating condensation system are connected to the control unit.

Furthermore, the driving assembly comprises a driving rod and cylinders, the cylinders are mounted to the back side of the box body through a mounting frame, one end of the driving rod is connected to the output end of each cylinder, the other end of each driving rod is connected to the box cover, and each cylinder is in signal connection to the control unit.

Furthermore, one end of the box cover mounting hinge is provided with a clamping groove, the bolt transversely penetrates through the box cover and passes through the clamping groove, and the end part of the driving rod is sleeved on the bolt to realize the hinged fit between the driving rod and the box cover.

Furthermore, the inner side of the box body is provided with a guide pillar which is used for guiding the heating plate.

Furthermore, the box body comprises a box body coaming, a bottom plate, a rear side plate and a baffle plate, the coaming, the bottom plate and the rear side plate are connected to form a rectangular box-packed structure, the baffle plate is arranged above the coaming, and the baffle plate is matched with the profile of the coaming; the sum of the height of the baffle and the height of the coaming is equal to the height of the rear side plate.

Furthermore, the baffle is made of transparent organic glass.

Furthermore, an exhaust valve and a vacuum pressure gauge are sequentially arranged on the steam collecting pipeline from the vacuum pump to the direction section for exhausting steam, and the exhaust valve is connected to the control unit through signals.

Compared with the prior art, the utility model discloses a high flux stand alone type vacuum concentration appearance for full-automatic laboratory has following advantage:

(1) the utility model discloses a high flux stand alone type vacuum concentration appearance for full-automatic laboratory is as an experimental individuality with every concentrated bottle, can carry out independent concentrated experiment to the concentrated bottle of each station, and the nimble switching is convenient high-efficient.

(2) The utility model discloses a case lid that is used for full-automatic laboratory's high flux stand alone type vacuum concentration appearance through the integral type will seal and the function of evacuation merge, save space, and the simplified operation raises the efficiency.

Drawings

The accompanying drawings, which form a part of the present disclosure, are included to provide a further understanding of the present disclosure, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present disclosure and together with the description serve to explain the present disclosure. In the drawings:

FIG. 1 is a schematic diagram of a high throughput self-contained vacuum concentrator for use in a fully automated laboratory in accordance with an embodiment of the present invention;

FIG. 2 is a schematic view of a rear view angle of a box body according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a circulating condensing system according to an embodiment of the present invention.

Description of reference numerals:

1. a case assembly; 11. a box body; 111. enclosing plates; 112. a base plate; 113. a rear side plate; 114. a baffle plate; 12. a heating and stirring unit; 121. heating plates; 122. a bottom plate heat insulation layer; 123. a heat conducting concentrating cup holder; 124. a concentrating cup; 13. a box cover; 131. a sealing cover; 1311. air passing holes; 14. a drive assembly; 141. a drive rod; 142. a cylinder; 15. a hinge; 151. a card slot; 16. a guide post; 2. a steam collection pipeline; 21. an exhaust valve; 22. a vacuum pressure gauge; 3. cold trap; 4. a vacuum pump; 41. a vacuum line; 5. a circulating condensing system; 51. a first circulating condensation pipeline; 52. a second circulating condensation pipeline; 6. a steam exhaust pipeline; 61. an electromagnetic valve; 7. a control unit.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

A high-flux independent vacuum concentrator for a fully automatic laboratory, as shown in FIGS. 1 to 3, comprises a case assembly 1 capable of performing an individual concentration test on an independent concentrating cup 124, the case assembly 1 comprising a case body 11, a heating and stirring unit 12, a plurality of case covers 13, a driving assembly 14 and a circulating condensing system 5,

the front side surface of the box body 11 is provided with a control unit 7, the rear side surface of the box body 11 is provided with a plurality of driving assemblies 14, one box cover 13 is installed at the top of the rear side surface of the box body 11 through a hinge 15, one end of the box cover 13, which is connected with the hinge 15, is connected to the output end of the driving assembly 14, the bottom surface of each box cover 13 is provided with a sealing cover 131, the inner cavity of the box body 11 is provided with a heating and stirring unit 12, the heating and stirring unit 12 comprises a heating plate 121, the upper surface of the heating plate 121 is provided with a bottom plate 112 heat insulation layer, the surface of the bottom plate 112 heat insulation layer is provided with a plurality of aluminum alloy heat conduction concentrated cup 124 frames 123, each aluminum alloy heat conduction concentrated cup 124 frame 123 is internally provided with a concentrated cup 124, and the sealing covers 131 of the box cover 13 correspond to the concentrated cups 124 one to one;

the sealing cover 131 of each box cover 13 is provided with a gas passing hole 1311; each air passing hole 1311 is communicated to a steam exhaust pipeline 6 through a pipeline to realize the communication between the steam exhaust pipeline 6 and the concentration cup 124, each steam exhaust pipeline 6 is communicated to a steam collecting pipeline 2, the air passing holes 1311 and the steam exhaust pipeline 6 are in flexible connection, the steam exhaust pipeline 6 is provided with an electromagnetic valve 61, one end of the steam collecting pipeline 2 is closed, the other end of the steam collecting pipeline is connected to the cold trap 3, and the cold trap 3 is communicated to the vacuum pump 4 through a vacuum pipeline 41; the cold trap 3 is also communicated to the circulating condensing system 5 through a first circulating pipeline and a second circulating pipeline, so that a loop is formed between the cold trap 3 and the circulating condensing system 5; the heating and stirring unit 12, the driving assembly 14, the vacuum pump 4, the electromagnetic valve 61 and the circulating condensing system 5 are connected to the control unit 7.

Preferably, the driving assembly 14 includes a driving rod 141 and a cylinder 142, the cylinder 142 is mounted to the back side of the case body 11 through a mounting bracket, the driving rod 141 has one end connected to an output end of the cylinder 142 and the other end connected to the case cover 13, and each cylinder 142 is signal-connected to the control unit 7.

Preferably, a clamping groove 151 is formed in one end, where the hinge 15 is installed, of the case cover 13, the bolt transversely penetrates through the case cover 13 and passes through the clamping groove 151, the end portion of the driving rod 141 is sleeved on the bolt, the driving rod 141 and the case cover 13 are in hinged fit, and the case cover 13 can be opened by controlling the driving rod 141.

Preferably, the inside of the box body 11 is provided with a guide post 16, and the guide post 16 is used for guiding the heating plate 121.

Preferably, the box body 11 includes a box enclosure 111, a bottom plate 112, a rear side plate 113 and a baffle plate 114, the enclosure 111, the bottom plate 112 and the rear side plate 113 are connected to form a rectangular box-packed structure, the baffle plate 114 is installed above the enclosure 111, and the baffle plate 114 fits with the outline of the enclosure 111; the sum of the height of the baffle plate 114 and the height of the coaming 111 is equal to the height of the rear side plate 113, so that an integral box-type structure is formed, and the use is convenient.

Preferably, the material of baffle 114 is transparent organic glass, can be directly perceived to the reagent state in the enrichment bottle observe.

Preferably, the steam collecting pipeline 2 is sequentially provided with an exhaust valve 21 and a vacuum pressure gauge 22 from the vacuum pump 4 to the steam discharging direction section, the exhaust valve 21 is in signal connection with the control unit 7, the passage and the disconnection are realized through the exhaust valve 21, and the real-time monitoring is performed through the vacuum pressure gauge 22.

A high-flux independent vacuum concentrator for a full-automatic laboratory has the working principle that when a concentration experiment is started, solvent steam of a liquid sample is sequentially discharged through a concentration cup 124, a box cover 13, a steam discharge pipeline 6, a steam collecting pipeline 2, a vacuum pump 4 and an exhaust gas pipe under the action of vacuum,

when the concentration of some liquid samples is determined to be finished, the concentration cup 124 containing the finished liquid sample needs to be taken out for carrying out subsequent treatment experiments, otherwise the liquid sample which is finished in advance is evaporated to dryness due to untimely taking out, so that the liquid sample concentration experiments fail; the pressure relief valve is not required to relieve the pressure integrally, and the steam exhaust pipeline 6 inserted into the corresponding independent concentration bottle is pulled out; the corresponding liquid sample is then withdrawn simultaneously with the concentrate cup 124;

during the experiment, under the condition of not influencing the concentration experiment of other liquid samples, a new concentration cup 124 containing the liquid sample is placed into a heating body; when the user need add new liquid sample and concentrated cup 124 temporarily in the experiment goes on, need not the whole pressure release of relief valve, only need directly to put into corresponding glass stand position with the concentrated cup 124 that contains new liquid sample directly, then closed with the case lid 13 that corresponds, arrange steam pipe 6 automatic access whole vacuum system.

After the experiment is completed, the plurality of concentration cups 124 containing the liquid samples are taken out from the cup holder, after the concentration experiment is completed on all the liquid samples, the pressure relief valve is opened, the pressure of the whole system is reduced to zero, and then the control unit 7 automatically opens each box cover 13 to a vertical position. All the thickening cups 124 are taken out from the heating body by a robot or a human; if the concentration experiment of the next batch of liquid sample is needed, the steps are repeated. If the subsequent concentration experiment is not performed, the heating of the heating bottom plate 112 is stopped, and the whole experiment is finished.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A high flux free-standing vacuum concentrator for full-automatic laboratory which characterized in that: comprises a box body component capable of carrying out independent concentration test on an independent concentration cup, the box body component comprises a box body, a heating and stirring unit, a plurality of box covers, a driving component and a circulating condensing system,

the box body comprises a box body and is characterized in that a control unit is arranged on the front side surface of the box body, a plurality of driving assemblies are arranged on the rear side surface of the box body, a box cover is installed at the top of the rear side surface of the box body through a hinge, one end, connected with the hinge, of the box cover is connected to the output end of the driving assemblies, a sealing cover is arranged on the bottom surface of each box cover, a heating and stirring unit is arranged in the inner cavity of the box body and comprises a heating plate, a bottom plate heat insulation layer is arranged on the upper surface of the heating plate, a plurality of heat conduction concentration cup frames are arranged on the surface of the bottom plate heat insulation layer, a concentration cup is arranged in each heat conduction concentration cup frame, and the sealing covers of the box covers correspond to the concentration cups one by one;

each sealing cover of each box cover is provided with an air passing hole; each air passing hole is communicated to a steam exhaust pipeline through a pipeline to realize the communication between the steam exhaust pipeline and the concentration cup, each steam exhaust pipeline is communicated to a steam collecting pipeline, the air passing holes and the steam exhaust pipeline are in flexible connection, the steam exhaust pipeline is provided with an electromagnetic valve, one end of the steam collecting pipeline is closed, the other end of the steam collecting pipeline is connected to a cold trap, and the cold trap is communicated to a vacuum pump through a vacuum pipeline; the cold trap is also communicated to the circulating condensation system through a first circulating pipeline and a second circulating pipeline, so that a loop is formed between the cold trap and the circulating condensation system; the heating stirring unit, the driving assembly, the vacuum pump, the electromagnetic valve and the circulating condensation system are connected to the control unit.

2. A high throughput self-contained vacuum concentrator for a fully automated laboratory according to claim 1, wherein: the drive assembly comprises a drive rod and cylinders, the cylinders are mounted to the back side of the box body through the mounting frame, one end of the drive rod is connected to the output end of each cylinder, the other end of each drive rod is connected to the box cover, and each cylinder is in signal connection with the control unit.

3. A high throughput self-contained vacuum concentrator for a fully automated laboratory according to claim 2, wherein: one end of the box cover provided with the hinge is provided with a clamping groove, the bolt transversely penetrates through the box cover and passes through the clamping groove, and the end part of the driving rod is sleeved with the bolt, so that the hinged fit between the driving rod and the box cover is realized.

4. A high throughput self-contained vacuum concentrator for a fully automated laboratory according to claim 1, wherein: the inner side of the box body is provided with a guide pillar which is used for guiding the heating plate.

5. A high throughput self-contained vacuum concentrator for a fully automated laboratory according to claim 1, wherein: the box body comprises a box body coaming, a bottom plate, a rear side plate and a baffle plate, the coaming, the bottom plate and the rear side plate are connected to form a rectangular box-packed structure, the baffle plate is arranged above the coaming, and the baffle plate is matched with the profile of the coaming; the sum of the height of the baffle and the height of the coaming is equal to the height of the rear side plate.

6. A high throughput self-contained vacuum concentrator for a fully automated laboratory according to claim 5, wherein: the baffle is made of transparent organic glass.

7. A high throughput self-contained vacuum concentrator for a fully automated laboratory according to claim 1, wherein: and the steam collecting pipeline is sequentially provided with an exhaust valve and a vacuum pressure gauge from the vacuum pump to the direction section of steam discharge, and the exhaust valve is connected to the control unit through signals.

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