CN212236087U - Reagent degassing device for liquid phase analyzer - Google Patents
Reagent degassing device for liquid phase analyzer Download PDFInfo
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- CN212236087U CN212236087U CN202020750420.2U CN202020750420U CN212236087U CN 212236087 U CN212236087 U CN 212236087U CN 202020750420 U CN202020750420 U CN 202020750420U CN 212236087 U CN212236087 U CN 212236087U
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Abstract
The utility model provides a reagent degassing device for a liquid phase analyzer, which comprises a degassing chamber shell, wherein a cavity which is communicated from left to right is arranged in the degassing chamber shell; the negative pressure pump is communicated with the cavity in the degassing chamber shell; the degassing membrane wire assembly comprises a plurality of degassing membrane wires, the degassing membrane wire assembly penetrates through a cavity in the degassing chamber shell, the degassing membrane wires are linear, and two ends of the degassing membrane wires extend out of the degassing chamber shell; the membrane silk fixing assembly comprises a left membrane silk fixing assembly and a right membrane silk fixing assembly which are identical in structure, and two ends of the degassing membrane silk assembly are respectively fixed on the left membrane silk fixing assembly and the right membrane silk fixing assembly; the sealing assembly is arranged between the membrane wire fixing assembly and the degassing chamber shell; wherein, a sealed degassing cavity is formed among the membrane wire fixing component, the sealing component and the degassing chamber shell. The utility model discloses can realize the degasification function of reagent, and simple structure, maintenance convenience, with low costs.
Description
Technical Field
The utility model relates to a liquid chromatography technical field especially relates to a reagent degasser for liquid phase analysis appearance.
Background
A liquid chromatograph (HPLC) is an instrument device which applies the principle of high performance liquid chromatography and is mainly used for analyzing organic compounds with high boiling points, which are not easy to volatilize, which are unstable to heat and which have large molecular weights. It is composed of liquid storage device, pump, sample injector, chromatographic column, detector and recorder. The mobile phase in the liquid storage device is pumped into the system by a high-pressure pump, the sample solution enters the mobile phase through the sample injector and is loaded into the chromatographic column by the mobile phase, and because each component in the sample solution has different distribution coefficients in two phases, when the two phases move relatively, through repeated distribution processes of adsorption and desorption, each component generates a large difference in moving speed, is separated into single components and flows out of the column in sequence, when the sample passes through the detector, the concentration of the sample is converted into an electric signal and is transmitted to the recorder, and data is printed in a map form. HPLC is widely used in life sciences, food sciences, pharmaceutical research, and environmental research.
Liquid flowing into a column in a liquid chromatograph is degassed, and otherwise fine bubbles in the liquid or gas dissolved in the liquid may affect adsorption and desorption processes, resulting in abnormal separation. The existing degassing device has the disadvantages of complex structure, high cost and inconvenient maintenance.
SUMMERY OF THE UTILITY MODEL
Exist not enoughly among the prior art, the utility model provides a reagent degasser for liquid phase analysis appearance can realize the degasification function of reagent, and simple structure, maintenance convenience, with low costs.
The utility model discloses a realize above-mentioned technical purpose through following technological means.
A reagent degassing apparatus for a liquid phase analyzer includes
The degassing chamber shell is internally provided with a cavity which is communicated from left to right;
the negative pressure pump is communicated with the cavity in the degassing chamber shell through a pipeline;
the degassing membrane wire assembly comprises a plurality of degassing membrane wires, the degassing membrane wire assembly penetrates through a cavity in the degassing chamber shell, the degassing membrane wires are linear, and two ends of the degassing membrane wires extend out of the degassing chamber shell;
the membrane wire fixing assembly comprises a left membrane wire fixing assembly and a right membrane wire fixing assembly which are identical in structure, the left membrane wire fixing assembly and the right membrane wire fixing assembly are respectively arranged at two ends of the degassing chamber shell, and two ends of the degassing membrane wire assembly are respectively fixed on the left membrane wire fixing assembly and the right membrane wire fixing assembly; and
the sealing assembly is arranged between the membrane wire fixing assembly and the degassing chamber shell;
wherein a sealed degassing cavity is formed among the membrane wire fixing assembly, the sealing assembly and the degassing chamber shell.
Further, the left membrane wire fixing assembly comprises a left cover plate and a left membrane wire fixing block, the left cover plate is connected with the left membrane wire fixing block, and the left cover plate is connected with the left end of the degassing chamber shell, so that the left membrane wire fixing block is pressed to the sealing assembly;
be equipped with membrane silk fixed orifices on the membrane silk fixed block of a left side, the left end of membrane silk subassembly that outgases stretches into extremely membrane silk fixed orifices, the membrane silk subassembly that outgases with membrane silk fixed orifices passes through glue and connects.
Furthermore, the sealing assembly comprises a left sealing assembly and a right sealing assembly which are the same, the left sealing assembly comprises a left sealing rubber separation blade and a left sealing gasket, the left sealing rubber separation blade is fixedly connected with the left membrane wire fixing block, and the left sealing gasket is arranged between the left sealing rubber separation blade and the degassing chamber shell.
Further, still include pressure sensor, pressure sensor sets up on the degasification room casing for detect the pressure in the sealed degasification cavity.
Furthermore, the number of the degassing membrane filaments is 10-30.
Further, the degassing chamber shell, the membrane wire fixing assembly and the sealing assembly are all cylindrical.
Further, the inner diameter of the left membrane silk fixing block is smaller than that of the degassing chamber shell.
The utility model has the advantages that:
the utility model discloses the fixed subassembly installation of membrane silk and right membrane silk is fixed through left membrane silk to the membrane silk that outgases for the membrane silk that outgases keeps the straight line in sealed degasification cavity, and can not take place to bend and twist reverse in installation and use, thereby can keep the degasification effect to the utmost, and degas stably.
The utility model discloses a fixed subassembly of membrane silk adopts apron and membrane silk fixed block, and easy to assemble and dismantlement also are convenient for the later stage and are changed degasification membrane silk subassembly, have reduced the degree of difficulty of maintenance, can satisfy user's demand.
Drawings
Fig. 1 is a schematic structural view of a reagent degassing apparatus for a liquid phase analyzer according to an embodiment of the present invention;
fig. 2 is an exploded view of the reagent degassing apparatus for the liquid phase analyzer of fig. 1.
Reference numerals:
1-left cover plate, 2-sealing ring, 4-left membrane wire fixing block, 5-left sealing glue separation blade, 6-left sealing gasket, 7-sealed degassing cavity, 8-negative pressure pump interface sealing ring, 9-sensor interface sealing ring, 10-right sealing gasket, 11-right sealing glue separation blade, 12-right membrane wire fixing block and 15-right cover plate.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "axial", "radial", "vertical", "horizontal", "inner", "outer", and the like, indicate orientations or positional relationships based on those 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" and "first" 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" or "second" 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 specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be 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 according to specific situations by those skilled in the art.
A reagent degassing apparatus for a liquid phase analyzer according to an embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 2, a reagent degassing apparatus for a liquid phase analyzer according to an embodiment of the present invention includes a degassing chamber housing 7, a negative pressure pump, a degassing membrane wire assembly, a membrane wire fixing assembly, a sealing assembly, and a pressure sensor.
Specifically, the degassing chamber housing 7 has a cavity which is through from left to right, a negative pressure pump interface sealing ring 8 is arranged on the degassing chamber housing 7 and used for being connected with one end of a negative pressure air pump pipeline and playing a sealing role, and the other end of the negative pressure air pump pipeline is connected with the negative pressure pump.
The degassing membrane silk subassembly includes a plurality of parallel and the degassing membrane silk that closes up each other, and degassing membrane silk subassembly passes the cavity in the degassing chamber casing 7, and the both ends of degassing membrane silk subassembly stretch out outside degassing chamber casing 7, the degassing membrane silk is the linearity, and the radical that degassing membrane silk used is rationally selected according to reagent flow size, generally 10 ~ 30.
The fixed subassembly of membrane silk includes the fixed subassembly of left membrane silk and the fixed subassembly of right membrane silk, the fixed subassembly of left membrane silk with the fixed subassembly of right membrane silk set respectively in the both ends of degasification room casing 7, the fixed subassembly of left side membrane silk includes left apron 1 and left membrane silk fixed block 4, be equipped with membrane silk fixed orifices on the membrane silk fixed block 4 of a left side, the left end of the fixed subassembly of membrane silk stretch into extremely in the membrane silk fixed orifices, the fixed subassembly of membrane silk with the membrane silk fixed orifices passes through glue and connects, and the left end face parallel and level of the left end port of degasification membrane silk fixed block 4 for the feed liquor hole of degasification membrane silk is not blocked up to glue.
The left side apron 1 adopts screwed connection with left membrane silk fixed block 4 to, the left side apron 1 also adopts screwed connection with the left end face of degasification room casing 7, sets up like this, not only the equipment of the device of being convenient for, also be convenient for later stage change degasification membrane silk. Be equipped with the through-hole on left side apron 1 and the left membrane silk fixed block 4, this through-hole is relative with the left port of membrane silk fixed subassembly for reagent can advance in left apron 1 and the left membrane silk fixed block 4 gets into the membrane silk that outgases.
The fixed subassembly of right membrane silk includes right apron 15 and right membrane silk fixed block 12, the fixed subassembly of left membrane silk is the same with the fixed subassembly structure of right membrane silk, and the connected mode of the fixed subassembly of right membrane silk is the same with the fixed subassembly of left membrane silk, and no longer the repeated description here.
Seal assembly set up in membrane silk fixed subassembly with between the degasification room casing 7, seal assembly includes the same left seal assembly and right seal assembly, left side seal assembly seals glue separation blade 5 and left seal gasket 6 including a left side, and for glue fixed position is difficult for droing under guaranteeing the negative pressure condition, adopts a left side to seal glue separation blade 5 and consolidates, and a left side is sealed glue separation blade 5 and is adopted screwed connection with left membrane silk fixed block 4. The left sealing gasket 6 is arranged between the left sealing rubber separation blade 5 and the degassing chamber shell 7, and the left cover plate 1 is connected with the left end face of the degassing chamber shell 7 through screws, so that the left membrane wire fixing block 4 compresses the left sealing gasket 6, the left sealing gasket 6 is used for sealing the left end face of the degassing chamber shell 7, and the effect of the left sealing gasket is superior to that of a sealing ring. The right sealing component comprises a right sealing gasket 10 and a right sealing glue blocking piece 11, and the connection mode of the right sealing component is the same as that of the left sealing component, and the description is omitted.
A sealed degassing cavity is formed among the membrane wire fixing assembly, the sealing assembly and the degassing chamber shell 7, and degassing of reagents in the degassing cavity can be achieved by the degassing membrane wire. The degassing chamber housing 7, the membrane wire fixing assembly and the sealing assembly in this embodiment are all cylindrical, which facilitates processing and installation.
In order to detect and control the working state of the degassing device, the degassing device of the embodiment further comprises a pressure sensor for detecting the pressure state of the sealed degassing cavity, and the degassing chamber shell 7 is provided with a sensor interface sealing ring 9 for connecting the pressure sensor and playing a sealing role.
The utility model discloses a working process: the reagent flows into the degassing membrane wire through the left end plate 1, and under the action of negative pressure in the sealed degassing cavity, micro bubbles in the reagent or gas dissolved in the reagent escapes into the sealed degassing cavity through the surface of the degassing membrane wire, and is discharged by a negative pressure pump communicated with the sealed degassing cavity, so that the reagent flowing out of the degassing device does not contain gas, and the effect of degassing the reagent is achieved.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.
Claims (7)
1. A reagent degassing device for a liquid phase analyzer is characterized by comprising
A degassing chamber shell (7) which is internally provided with a cavity which is communicated from left to right;
the negative pressure pump is communicated with a cavity in the degassing chamber shell (7) through a pipeline;
the degassing membrane wire assembly comprises a plurality of degassing membrane wires, the degassing membrane wire assembly penetrates through a cavity in the degassing chamber shell (7), the degassing membrane wires are linear, and two ends of the degassing membrane wires extend out of the degassing chamber shell (7);
the membrane silk fixing assembly comprises a left membrane silk fixing assembly and a right membrane silk fixing assembly which are identical in structure, the left membrane silk fixing assembly and the right membrane silk fixing assembly are respectively arranged at two ends of the degassing chamber shell (7), and two ends of the degassing membrane silk assembly are respectively fixed on the left membrane silk fixing assembly and the right membrane silk fixing assembly; and
a sealing assembly arranged between the membrane wire fixing assembly and the degassing chamber shell (7);
wherein a sealed degassing cavity is formed among the membrane wire fixing assembly, the sealing assembly and the degassing chamber shell (7).
2. The reagent degassing device for liquid phase analyzers according to claim 1, wherein the left membrane wire fixing assembly comprises a left cover plate (1) and a left membrane wire fixing block (4), the left cover plate (1) is connected with the left end of the degassing chamber housing (7), so that the left membrane wire fixing block (4) is pressed against the sealing assembly;
be equipped with membrane silk fixed orifices on left side membrane silk fixed block (4), the left end of membrane silk subassembly that outgases stretches into extremely membrane silk fixed orifices, membrane silk subassembly that outgases with membrane silk fixed orifices passes through glue and connects.
3. The reagent degassing device for a liquid phase analyzer according to claim 2, wherein the sealing assembly comprises a left sealing assembly and a right sealing assembly which are the same, the left sealing assembly comprises a left sealing glue blocking piece (5) and a left sealing gasket (6), the left sealing glue blocking piece (5) is fixedly connected with the left membrane wire fixing block (4), and the left sealing gasket (6) is arranged between the left sealing glue blocking piece (5) and the degassing chamber housing (7).
4. A reagent degassing device for liquid phase analyzers according to claim 1, further comprising a pressure sensor disposed on the degassing chamber housing (7) for detecting the pressure within the sealed degassing chamber.
5. The reagent degassing device for a liquid phase analyzer according to claim 1, wherein the number of degassing membrane wires is 10 to 30.
6. The reagent degassing device for liquid phase analyzers according to claim 2, characterized in that the degassing chamber housing (7), the membrane wire fixing assembly and the sealing assembly are all cylindrical.
7. The reagent degassing device for liquid phase analyzers according to claim 6, characterized in that the inside diameter of the left membrane wire fixing block (4) is smaller than the inside diameter of the degassing chamber housing (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020750420.2U CN212236087U (en) | 2020-05-09 | 2020-05-09 | Reagent degassing device for liquid phase analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020750420.2U CN212236087U (en) | 2020-05-09 | 2020-05-09 | Reagent degassing device for liquid phase analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212236087U true CN212236087U (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020750420.2U Active CN212236087U (en) | 2020-05-09 | 2020-05-09 | Reagent degassing device for liquid phase analyzer |
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| Country | Link |
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| CN (1) | CN212236087U (en) |
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- 2020-05-09 CN CN202020750420.2U patent/CN212236087U/en active Active
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