CN115047113B - Liquid chromatograph - Google Patents
Liquid chromatograph Download PDFInfo
- Publication number
- CN115047113B CN115047113B CN202210800308.9A CN202210800308A CN115047113B CN 115047113 B CN115047113 B CN 115047113B CN 202210800308 A CN202210800308 A CN 202210800308A CN 115047113 B CN115047113 B CN 115047113B
- Authority
- CN
- China
- Prior art keywords
- clamping sleeve
- arc
- annular groove
- swivel
- magnets
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/06—Preparation
- G01N30/14—Preparation by elimination of some components
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/60—Construction of the column
Abstract
The invention relates to the technical field of chromatographs, in particular to a liquid chromatograph, which comprises a chromatograph body, a chromatographic column body, a clamping sleeve concave component, an annular clamping hoop, a clamping sleeve convex component, a filtering screen plate and a plastic plug head, wherein an annular groove is formed in the clamping sleeve convex component, and a cleaning mechanism for cleaning impurities on one side of the filtering screen plate is arranged in the annular groove. The invention can drive the arc-shaped strip to move from one side inner wall of the annular groove to the other side inner wall of the annular groove, simultaneously scrape the side surface of the filtering sieve plate through the hairbrush, and scrape impurities into the arc-shaped opening in the annular groove, thereby reducing the influence of the impurities on the detection work of the chromatograph and having lower cost.
Description
Technical Field
The invention relates to the technical field of chromatographs, in particular to a liquid chromatograph.
Background
Liquid chromatography is a type of separation and analysis technique, and is characterized by using liquid as mobile phase, and the stationary phase can be made into various forms, such as paper, sheet and packed bed. During the development of chromatographic techniques, in order to distinguish between the various methods, respective nomenclature has been generated according to the form of the stationary phase, such as paper chromatography, thin layer chromatography and column liquid chromatography.
In the use process of the liquid chromatograph, the situation of chromatographic peak tailing is often encountered, the more serious the chromatographic peak tailing is, the larger the influence on the separation degree of adjacent peaks is, and when the more serious the tailing is, the worse the separation degree of the adjacent peaks is.
One of the reasons for the peak tailing and deformation is column head blockage, the front end of the chromatographic column is generally provided with a sieve plate, if the sieve plate is partially blocked, the front of the sample liquid drop column is forced to deform, so that the peak tailing and deformation are caused, the quality of the chromatographic column is poor, or the filter head of the chromatographic column is partially blocked, the column is polluted or column filler is fallen off, and the chromatographic peak tailing can be caused.
In the existing situation, some chromatographic columns support backflushing, for column head blockage, the backflushing of the chromatographic columns can be attempted by using a gradient of low-flow-rate water from high to low, substances which block the column head are washed away, and other chromatographic columns which do not support backflushing can only be replaced, so that the required cost is high.
For this purpose, a liquid chromatograph is proposed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the liquid chromatograph which can drive the arc-shaped strip to move from the inner wall of one side of the annular groove to the inner wall of the other side of the annular groove, simultaneously scrape the side surface of the filtering sieve plate through the brush, and scrape impurities into the arc-shaped opening in the annular groove, thereby reducing the influence of the impurities on the detection work of the chromatograph, having lower cost and solving the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a liquid chromatograph, includes the chromatograph body, the chromatographic column body, the chromatographic column body is installed the inside of chromatograph body, cutting ferrule concave subassembly cover is established in the one end of chromatographic column body, annular clamp inlays the inside of establishing at cutting ferrule concave subassembly, cutting ferrule convex subassembly cover is established in the one end of chromatographic column body and is inlayed the inside of locating cutting ferrule concave subassembly, filtering screen plate sets up between chromatographic column body and cutting ferrule convex subassembly, the plastics chock plug, the inside at cutting ferrule convex subassembly is installed in plastics chock plug screw drive, the ring channel has been seted up to the inside of cutting ferrule convex subassembly, the inside of ring channel is equipped with the clean mechanism that is used for clear up the impurity of filtering screen plate one side.
Preferably, the cleaning mechanism comprises two round rods which are symmetrically and fixedly arranged inside the annular groove, an arc-shaped strip is installed between the two round rods in a common rotation mode, a hairbrush is installed on one side, close to the filtering sieve plate, of the arc-shaped strip, a plurality of first magnets are fixedly installed at equal intervals in the arc-shaped strip, a swivel is installed on the outer portion of the clamping sleeve convex assembly in a rotating mode, a plurality of iron plates which are mutually attracted with the first magnets are fixedly installed at equal intervals on one side of the inner portion of the swivel, and a plurality of third magnets which are mutually repelled with the first magnets are fixedly installed on the other side of the inner portion of the swivel at equal intervals.
Preferably, the material of the arc-shaped strip is rubber.
Preferably, two arc-shaped openings are symmetrically formed in the annular groove, and a connecting pipe communicated with the bottoms of the two arc-shaped openings is fixedly arranged outside the clamping sleeve convex assembly.
Preferably, a pumping device is further arranged in the chromatograph body, and the pumping device is communicated with the connecting pipe.
Preferably, two device grooves are symmetrically formed in the clamping sleeve convex assembly, each device groove is internally provided with a sliding plate in a sliding mode, one side of each sliding plate is fixedly provided with a clamping block, the other side of each sliding plate is elastically connected with the inner bottom of each device groove through a spring, two grooves are symmetrically formed in the rotating ring, and one end of each clamping block penetrates through the clamping sleeve convex assembly and extends to the inside of each groove.
Preferably, one ends of the two clamping blocks are arc-shaped protruding outwards, and the two grooves are arc-shaped recessed inwards.
Preferably, the number of the first magnet, the iron plate and the third magnet is three.
Compared with the prior art, the invention has the beneficial effects that:
1. can drive the arc strip and remove to the opposite side inner wall of device groove from the one side inner wall of ring channel to scrape the side of filtering the sieve simultaneously through the brush, and scrape the impurity into the inside arc mouth of ring channel, thereby reduce the impurity and detect the influence of work to the chromatograph, required cost is lower.
2. When cleaning the filtering sieve plate, the pumping equipment is started simultaneously, and negative pressure is generated in the connecting pipe so as to facilitate the suction of impurities.
3. The slide plate in the device groove can push the clamping block to be clamped into the groove in the swivel under the elasticity of the spring so as to fix the swivel, avoid the condition that the swivel shakes, and further realize the fixation of the arc-shaped strip.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a cross-sectional view of a ferrule male assembly of the present invention;
FIG. 4 is an enlarged view of the structure at A of FIG. 3;
FIG. 5 is an enlarged view of the structure at B of FIG. 3;
FIG. 6 is an enlarged view of the structure at C of FIG. 5;
fig. 7 is an enlarged view of the structure at D of fig. 2.
In the figure: the chromatographic instrument comprises a chromatographic instrument body, a chromatographic column body, a clamping sleeve 3, a ring-shaped clamping hoop, a filtering sieve plate 5, a clamping sleeve 6, a connecting pipe 7, a plastic plug 8, a rotating ring 9, an annular groove 10, an arc-shaped strip 11, a first magnet 12, an iron plate 13, a third magnet 14, an arc-shaped opening 15, a device groove 16, a sliding plate 17, a clamping block 18, a spring 19, a groove 20, a round rod 21 and a hairbrush 22.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," 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; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 7, the present invention provides a liquid chromatograph, which has the following technical scheme:
a liquid chromatograph comprises a chromatograph body 1, a chromatographic column body 2 arranged in the chromatograph body 1, a clamping sleeve concave component 3 sleeved at one end of the chromatographic column body 2, an annular clamping hoop 4 embedded in the clamping sleeve concave component 3, a clamping sleeve convex component 6 sleeved at one end of the chromatographic column body 2 and embedded in the clamping sleeve concave component 3, the filter screen plate 5, filter screen plate 5 sets up between chromatographic column body 2 and the convex subassembly 6 of cutting ferrule, and plastics chock plug 8, plastics chock plug 8 screw drive install in the inside of the convex subassembly 6 of cutting ferrule, and ring channel 10 has been seted up to the inside of the convex subassembly 6 of cutting ferrule, and the inside of ring channel 10 is equipped with the clean mechanism that is used for clear up the impurity of filter screen plate 5 one side.
As an embodiment of the present invention, referring to fig. 3 to 5, the cleaning mechanism comprises two circular rods 21 symmetrically and fixedly installed inside the annular groove 10, an arc-shaped strip 11 is installed between the two circular rods 21 in a rotating manner, a brush 22 is installed on one side of the arc-shaped strip 11 close to the filtering screen plate 5, a plurality of first magnets 12 are fixedly installed inside the arc-shaped strip 11 at equal intervals, a swivel 9 is installed on the outer portion of the ferrule convex assembly 6 in a rotating manner, a plurality of iron plates 13 which are mutually attracted with the first magnets 12 are fixedly installed on one side of the interior of the swivel 9 at equal intervals, a plurality of third magnets 14 which are mutually exclusive with the first magnets 12 are fixedly installed on the other side of the interior of the swivel 9 at equal intervals, the arc-shaped strip 11 is made of rubber, two arc-shaped openings 15 are symmetrically installed inside the annular groove 10, and a connecting pipe 7 which is communicated with the bottoms of the two arc-shaped openings 15 is fixedly installed outside the ferrule convex assembly 6.
Before using chromatograph body 1, in order to avoid filtering sieve 5 to block up and cause the influence to the detection, can rotate the outside swivel 9 of cutting ferrule convex subassembly 6, the swivel 9 will drive its inside iron plate 13 rotation afterwards, under initial state, iron plate 13 and the inside first magnet 12 interattraction of arc strip 11, make the arc strip 11 can hug closely one side inner wall of ring channel 10, after swivel 9 rotates, third magnet 14 rotates to original iron plate 13's position, iron plate 13 rotates to original third magnet 14's position, because third magnet 14 and first magnet 12 pass through the adjustment mutual repulsion of magnetic pole, iron plate 13 and first magnet 12 interattraction, after swivel 9 rotates, three iron plates 13 that originally attract first magnet 12 become third magnet 14, third magnet 14 is to first magnet 12 repulse, arc strip 11 receives the restriction of round bar 21 under the effect of repulsion, the effect of rubber material's arc strip 11 middle part deformation this moment, and make arc strip 11 pass to 10's opposite side inner wall from one side inner wall of ring channel 10 under the effect of repulsion, the iron plate 13 of rotation can carry out the power again to carry out the arc strip 12 and carry out the wear-resisting performance to the arc strip to the ring channel 10, the brush is carried out the wear-resisting performance to the inside of this and can be reduced to the arc strip is carried out the wear-resisting to the brush in the filter cloth, the filter cloth is more than the arc strip is carried out to the inner channel 11, the wear-resisting performance is can be reduced to the wear-resisting to the brush in the face of the inner side surface of the annular groove is made, the brush is more than the brush 15 is subjected to the face to the inner wear-resisting surface is subjected to the surface is subjected to the wear-resisting the surface to the abrasion.
As an embodiment of the present invention, referring to fig. 1, a pumping device is further provided in the chromatograph body 1, and the pumping device is in communication with the connection tube 7.
When chromatograph body 1 works, connecting pipe 7 is in the closed state, does not have the detection sample to flow out through arc mouth 15, but when cleaning filter sieve 5, pumping equipment starts simultaneously, and the inside of connecting pipe 7 produces negative pressure to the suction of impurity is convenient for.
As an embodiment of the present invention, referring to fig. 5-6, two device slots 16 are symmetrically provided in the ferrule male assembly 6, a sliding plate 17 is slidably mounted in each device slot 16, a clamping block 18 is fixedly mounted on one side of the sliding plate 17, the other side of the sliding plate 17 is elastically connected with the inner bottom of the device slot 16 through a spring 19, two grooves 20 are symmetrically provided in the rotating ring 9, one ends of the clamping blocks 18 penetrate through the ferrule male assembly 6 and extend into the grooves 20, one ends of the two clamping blocks 18 are in the shape of an outwardly convex arc, and the two grooves 20 are in the shape of an inwardly concave arc.
Before rotating swivel 9, slide 17 inside device groove 16 can promote fixture block 18 card under the elasticity of spring 19 and go into the recess 20 of swivel 9 inside to accomplish the fixed to swivel 9, avoid swivel 9 to appear rocking the condition, and then realize fixing to arc strip 11, when swivel 9 is rotated, because the shape of one end of fixture block 18 and recess 20 is the convex of mutually supporting, and then swivel 9's rotation can press fixture block 18 easily and move down, then swivel 9 just can rotate 180 to drive arc strip 11 and remove, swivel 9 rotates 180 back, fixture block 18 can fix swivel 9 again.
As an embodiment of the present invention, referring to fig. 3, the number of the first magnet 12, the iron plate 13, and the third magnet 14 is three.
Working principle: when the chromatograph body 1 works, a filter screen plate 5 is installed between the chromatographic column body 2 and the clamping sleeve convex component 6, if the filter screen plate 5 is partially blocked, the front part of the sample liquid drop column is forced to deform directly to cause peak tailing and deformation so as to influence the normal detection of the chromatograph body 1, therefore, before the chromatograph body 1 is used, in order to avoid the influence on the detection caused by the blocking of the filter screen plate 5, the swivel 9 outside the clamping sleeve convex component 6 can be rotated, then the swivel 9 drives the iron plate 13 inside the clamping sleeve convex component to rotate, in an initial state, the iron plate 13 and the first magnet 12 inside the arc-shaped strip 11 are attracted mutually, so that the arc-shaped strip 11 can be clung to the inner wall of one side of the annular groove 10, after the swivel 9 rotates, the third magnet 14 rotates to the position of the original iron plate 13, the iron plate 13 rotates to the position of the original third magnet 14, since the third magnet 14 and the first magnet 12 repel each other, the iron plate 13 and the first magnet 12 attract each other, after the swivel 9 rotates, the three iron plates 13 which originally attract the first magnet 12 become the third magnet 14, the third magnet 14 repels the first magnet 12, the arc-shaped strip 11 is limited by the round rods 21 at the two ends under the action of repulsive force, the middle part of the arc-shaped strip 11 made of rubber deforms, the arc-shaped strip 11 moves from one side inner wall of the annular groove 10 to the other side inner wall of the annular groove 10 under the action of repulsive force, at the moment, the rotated iron plates 13 attract the first magnet 12 again, the moving power of the arc-shaped strip 11 is enhanced, the side face of the filtering sieve plate 5 is scraped through the hairbrushes 22 in the process, and impurities are scraped into the arc-shaped openings 15 in the annular groove 10, so that the influence of the impurities on the detection work of the chromatograph is reduced, because the material of arc strip 11 is rubber, have better wear resistance, just make it can withstand the repetitious usage and not fragile, when chromatograph body 1 works, connecting pipe 7 is in the confined state, do not have the detection sample and flow out through arc mouth 15, but when clean filter screen board 5, pumping equipment starts simultaneously, the inside of connecting pipe 7 produces negative pressure, in order to the suction of impurity, before rotating swivel 9, the inside slide 17 of device groove 16 can promote fixture block 18 card into the recess 20 of swivel 9 under the elasticity of spring 19, in order to accomplish the fixed to swivel 9, avoid swivel 9 to appear rocking the condition, and then realize the fixed to arc strip 11, when rotating swivel 9, because the one end of fixture block 18 and recess 20 are the convex of mutually supporting, and then the rotation of swivel 9 can press the fixture block 18 to move down easily, then swivel 9 just can rotate 180, in order to drive arc strip 11 and remove, after swivel 9 rotates 180, fixture block 18 can fix swivel 9 again.
The electric elements are all connected with an external main controller and 220V mains supply through a transformer, and the main controller can be conventional known equipment for controlling a computer and the like.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A liquid chromatograph comprising a chromatograph body (1);
a chromatographic column body (2), the chromatographic column body (2) being mounted inside the chromatograph body (1);
the clamping sleeve concave component (3) is sleeved at one end of the chromatographic column body (2);
the annular clamp (4) is embedded in the clamping sleeve concave component (3);
the clamping sleeve convex component (6) is sleeved at one end of the chromatographic column body (2) and embedded in the clamping sleeve concave component (3);
the filtering screen plate (5) is arranged between the chromatographic column body (2) and the clamping sleeve convex component (6);
the plastic plug head (8) is arranged in the clamping sleeve convex assembly (6) in a spiral transmission manner;
the method is characterized in that:
an annular groove (10) is formed in the clamping sleeve convex assembly (6), and a cleaning mechanism for cleaning impurities on one side of the filtering screen plate (5) is arranged in the annular groove (10);
the cleaning mechanism comprises two round rods (21) symmetrically and fixedly arranged in an annular groove (10), an arc-shaped strip (11) is installed between the two round rods (21) in a rotating mode, a hairbrush (22) is installed on one side, close to a filtering screen plate (5), of the arc-shaped strip (11), a plurality of first magnets (12) are fixedly installed in the arc-shaped strip (11) at equal intervals, a swivel (9) is installed in the outer portion of the clamping sleeve convex assembly (6) in a rotating mode, a plurality of iron plates (13) which are mutually attracted with the first magnets (12) are fixedly installed in one side of the inner portion of the swivel (9) at equal intervals, and a plurality of third magnets (14) which are mutually repelled with the first magnets (12) are fixedly installed in the other side of the inner portion of the swivel (9) at equal intervals;
the arc-shaped strip (11) is made of rubber;
two arc-shaped openings (15) are symmetrically formed in the annular groove (10), and a connecting pipe (7) communicated with the bottoms of the two arc-shaped openings (15) is fixedly arranged outside the clamping sleeve convex assembly (6).
2. A liquid chromatograph according to claim 1, characterized in that: the chromatograph body (1) is internally provided with pumping equipment which is communicated with the connecting pipe (7).
3. A liquid chromatograph according to claim 1, characterized in that: two device grooves (16) are symmetrically formed in the clamping sleeve convex assembly (6), sliding plates (17) are slidably mounted in the device grooves (16), clamping blocks (18) are fixedly mounted on one sides of the sliding plates (17), the other sides of the sliding plates (17) are elastically connected with the inner bottoms of the device grooves (16) through springs (19), two grooves (20) are symmetrically formed in the rotating ring (9), and one ends of the clamping blocks (18) penetrate through the clamping sleeve convex assembly (6) and extend to the inner portions of the grooves (20).
4. A liquid chromatograph according to claim 3, wherein: one end of each clamping block (18) is in an outwards convex circular arc shape, and each groove (20) is in an inwards concave circular arc shape.
5. A liquid chromatograph according to claim 1, characterized in that: the number of the first magnets (12), the iron plates (13) and the third magnets (14) is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210800308.9A CN115047113B (en) | 2022-07-06 | 2022-07-06 | Liquid chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210800308.9A CN115047113B (en) | 2022-07-06 | 2022-07-06 | Liquid chromatograph |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115047113A CN115047113A (en) | 2022-09-13 |
| CN115047113B true CN115047113B (en) | 2023-08-15 |
Family
ID=83165183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210800308.9A Active CN115047113B (en) | 2022-07-06 | 2022-07-06 | Liquid chromatograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115047113B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211856488U (en) * | 2020-04-16 | 2020-11-03 | 南通恒华生物制品有限公司 | Novel combined chromatographic column |
| CN214356618U (en) * | 2021-01-27 | 2021-10-08 | 泰兴市鑫利船舶特种设备有限公司 | Gooseneck type ventilating funnel convenient for cleaning internal impurities |
| CN215179960U (en) * | 2021-06-11 | 2021-12-14 | 广州菲罗门科学仪器有限公司 | High performance liquid chromatography column assembly |
| CN216208844U (en) * | 2021-11-08 | 2022-04-05 | 超彩供应链(深圳)有限公司 | High-efficiency anti-blocking liquid chromatograph for solvent |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016082154A1 (en) * | 2014-11-27 | 2016-06-02 | 王峰 | Liquid phase chromatograph |
-
2022
- 2022-07-06 CN CN202210800308.9A patent/CN115047113B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211856488U (en) * | 2020-04-16 | 2020-11-03 | 南通恒华生物制品有限公司 | Novel combined chromatographic column |
| CN214356618U (en) * | 2021-01-27 | 2021-10-08 | 泰兴市鑫利船舶特种设备有限公司 | Gooseneck type ventilating funnel convenient for cleaning internal impurities |
| CN215179960U (en) * | 2021-06-11 | 2021-12-14 | 广州菲罗门科学仪器有限公司 | High performance liquid chromatography column assembly |
| CN216208844U (en) * | 2021-11-08 | 2022-04-05 | 超彩供应链(深圳)有限公司 | High-efficiency anti-blocking liquid chromatograph for solvent |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115047113A (en) | 2022-09-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115047113B (en) | Liquid chromatograph | |
| CN208643549U (en) | A kind of cleaning device of pipettor | |
| CN210603828U (en) | FA fiber array end face detection device | |
| CN210098211U (en) | A sample grinder for chemical industry detects | |
| CN218280780U (en) | Water sample filtering device for environmental monitoring | |
| CN215445235U (en) | Sanitary valve with filtering function | |
| CN210521959U (en) | Water purifier with conveniently replaced filter element | |
| CN212478642U (en) | Novel building engineering supports device | |
| CN103151291A (en) | Wafer-clamping rotary device and wafer-washing groove | |
| CN113909192A (en) | Cleaning equipment for blackboard eraser | |
| CN111772438B (en) | Double-layer glass cup | |
| CN214634605U (en) | Fixing device of large-flow filter element | |
| CN219239389U (en) | MBR membrane effluent treatment plant | |
| CN208598315U (en) | Flat mop burnisher is squeezed with filtering function | |
| CN211799376U (en) | Machining mechanism for cleaning rotary filter screen | |
| CN219577186U (en) | Switch with high heat dissipation function | |
| CN218046535U (en) | Fluoroethylene carbonate vacuum rectification equipment with good heat dissipation effect | |
| CN219744166U (en) | Movable buckle retaining structure | |
| CN213001589U (en) | Cleaning device for water conservancy valve | |
| CN213557158U (en) | Chemistry experiment platform convenient to clearance | |
| CN219423921U (en) | Water purifier convenient for replacing filter element | |
| CN212332093U (en) | Printing roller for printing machine convenient to dismantle and change | |
| CN220207542U (en) | Liquid chromatograph mobile phase suction filtration liquid adding device | |
| CN217139483U (en) | Filter with multi-stage layered filter screen inside | |
| CN218331397U (en) | High-pressure preparation chromatographic column |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230720 Address after: 210000 east of floor 5, building 3, intelligent manufacturing Industrial Park (Zhicheng Park), No. 6, Zhida Road, Jiangbei new area, Nanjing, Jiangsu Province Applicant after: Nanjing Pinsheng Medical Technology Co.,Ltd. Applicant after: Zhejiang Pinyu Precision Technology Co.,Ltd. Address before: Building 5, Meiyuan Community, No. 130, Daqing Road, Jinzhai County, Lu'an City, Anhui Province, 237399 Applicant before: Yi Chengqin |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |