CN212904696U

CN212904696U - Chromatograph calibration equipment

Info

Publication number: CN212904696U
Application number: CN202021092145.6U
Authority: CN
Inventors: 吴元方; 李玉明; 金艳
Original assignee: Spectrum Quality Analysis And Detection Technology Shanghai Co ltd
Current assignee: Spectrum Quality Analysis And Detection Technology Shanghai Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-04-06
Anticipated expiration: 2030-06-12

Abstract

The utility model relates to a calibration equipment field discloses a chromatograph calibration equipment, including circulating pump, bottom plate and box, bottom plate upside fixed connection box, the box downside sets up the circulating pump, and external a plurality of circulating pipes of circulating pump, the equal pipe connection box of circulating pipe, the right side circulating pipe is equipped with the oil supplementing mouth, the box rotates and connects the (mixing) shaft, and the (mixing) shaft is hollow structure, and the inside check valve that is equipped with of (mixing) shaft, the (mixing) shaft set up a plurality of boards that turn over, turn over the board and be hollow structure, set up a plurality of gas pockets on turning over the board, the (mixing) shaft left end extends to the gas cavity and rotates the joint support frame, gas cavity fixed connection support frame, gas cavity pipe connection trachea. The utility model discloses simple structure can check-up many online chromatographs to convenient to use is swift, can increase gas-liquid mixing speed, increases work efficiency, and fluid can cyclic utilization, has usable value in the calibration equipment field.

Description

Chromatograph calibration equipment

Technical Field

The utility model relates to a calibration equipment field specifically is a chromatograph calibration equipment.

Background

The chromatograph is a device for chromatographic separation and analysis, and comprises a sample introduction system, a detection system, a recording and data processing system, a temperature control system, a mobile phase control system and the like, and modern chromatographs have the characteristics of high stability, sensitivity, versatility, high automation degree and the like, and include a gas chromatograph, a liquid chromatograph, a gel chromatograph and the like, and the chromatographs are widely used for analyzing certain content of chemical products and high polymer materials, and the gel chromatograph can also measure the molecular weight and the distribution of the high polymer materials.

In chinese patent publication No. CN201269866Y, a device for calibrating an on-line chromatograph is disclosed, which is configured to fully mix oil and gas in a closed circulation space formed by an upper cylinder, a lower cylinder and an external pipeline under the action of a circulation pump, so as to realize the preparation of standard insulating oil; simulating the operating environment of the insulating oil in actual equipment by using a temperature controller, and realizing the calibration of the online chromatograph in different environments by changing parameters such as temperature and the like; through set up oil appearance sample connection on barrel down, can realize off-line sampling and be used for carrying out laboratory chromatogram detection. In addition, the whole device is arranged on the movable trolley, so that the device has mobility and is more convenient to use. Adopt the utility model discloses a device for checking up online chromatograph can check up many online chromatographs simultaneously, and oil appearance can reuse, has practiced thrift the cost.

This patent can realize the check-up work of many online chromatographs, but when preparing insulating oil, can not guarantee the homogeneity of fluid and gas to rely on the nature to mix, the oil gas dissolves comparatively slowly.

Disclosure of Invention

An object of the utility model is to provide a chromatograph calibration equipment to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a chromatograph calibration device comprises a circulating pump, a bottom plate and a box body, wherein the upper side of the bottom plate is fixedly connected with the box body, the lower side of the box body is provided with the circulating pump, the circulating pump is externally connected with a plurality of circulating pipelines, the circulating pipelines are all connected with the box body through pipelines, the circulating pipeline on the right side is provided with an oil supplementing port, the box body is rotationally connected with a stirring shaft, the stirring shaft is of a hollow structure, a one-way valve is arranged in the stirring shaft, the stirring shaft is provided with a plurality of turning plates, the turning plates are of a hollow structure, a plurality of air holes are arranged on the turning plates, the left end of the stirring shaft extends to an air cavity chamber and is rotationally connected with a support frame, the air cavity chamber is fixedly connected with the support frame, an air pipe is connected with an air cavity chamber pipeline, an air, the pipeline connection of box upside has transfers oil pipe, transfers oil pipe other end pipeline connection to transfer an oil section of thick bamboo, transfers to be provided with the level gauge on the oil section of thick bamboo, transfers oil section of thick bamboo downside fixed connection end strut, end strut downside fixed connection box.

As a further aspect of the present invention: the lower side of the bottom plate is fixedly connected with a plurality of moving wheels, the upper side of the bottom plate is provided with a pushing handle, and the moving wheels are universal moving wheels with brakes.

As a further aspect of the present invention: the output end of the circulating pump is fixedly connected with the output end of the motor, the output end of the circulating pump is provided with a belt wheel, the belt wheel is fixedly connected with the stirring shaft at the upper side and the lower side, and a synchronous belt is arranged between the belt wheels.

As a further aspect of the present invention: the right side of the box body is provided with a plurality of connectors, and the upper side of the box body is provided with a vacuum pumping hole.

As a further aspect of the present invention: the oil adjusting pipe, the air pipe and the oil supplementing port are all provided with valves.

Compared with the prior art, the beneficial effects of the utility model are that:

through the utility model discloses a chromatograph calibration equipment, the wheel is removed in the setting and the handle is pushed away, remove the removal of taking turns convenient device through the installation, the utilization pushes away the handle and promotes the device, it is comparatively laborsaving, set up (mixing) shaft and gas cavity, it rotates to utilize the motor to drive the (mixing) shaft, gas injection to the (mixing) shaft in with the gas tank through the gas cavity, stir the insulating oil of box inside by turning over the board, let in quantitative gas to insulating oil by the gas pocket that turns over the board, thereby increase the dissolving speed of gas and fluid, set up the circulating pump, utilize the motor to drive the circulating pump and rotate, fluid to the box in circulates, increase the mobility of gas-liquid, set up the vacuum extraction opening, can utilize the gas in the insulating oil of vacuum machine with the box to take out, realize the cyclic utilization of fluid, set up the oil. The utility model discloses simple structure can check-up many online chromatographs to convenient to use is swift, can increase gas-liquid mixing speed, increases work efficiency, and fluid can cyclic utilization, has usable value in the calibration equipment field.

Drawings

Fig. 1 is a schematic structural diagram of a chromatograph calibration apparatus.

Fig. 2 is a schematic structural diagram of a support frame in a chromatograph calibration device.

Fig. 3 is a schematic structural diagram of a stirring shaft in the chromatograph calibration device.

In the figure: 1-push handle, 2-synchronous belt, 3-belt wheel, 4-circulating pump, 5-circulating pipeline, 6-oil supplementing port, 7-moving wheel, 8-bottom plate, 9-box, 10-interface, 11-air hole, 12-turning plate, 13-oil adjusting pipe, 14-bottom support frame, 15-oil adjusting barrel, 16-liquid level meter, 17-vacuum pumping port, 18-air box, 19-stirring shaft, 20-support frame, 21-air pipe and 22-air chamber.

Detailed Description

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "back", "middle", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations and positional relationships based on those shown in the drawings, and are only for convenience of describing the invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 and 3, a chromatograph calibration device comprises a circulating pump 4, a bottom plate 8 and a box 9, wherein the upper side of the bottom plate 8 is fixedly connected with the box 9, the lower side of the box 9 is provided with the circulating pump 4, the output end of the circulating pump 4 is fixedly connected with the output end of a motor, the output end of the circulating pump 4 is provided with a belt pulley 3, the upper side of the belt pulley 3 is fixedly connected with a stirring shaft 19, a synchronous belt 2 is arranged between the upper side and the lower side of the belt pulley 3, the circulating pump 4 is arranged, the motor is used for driving the circulating pump 4 to rotate, oil in the box 9 is circulated, the fluidity of the gas and the liquid is increased, the circulating pump 4 is externally connected with a plurality of circulating pipelines 5, the circulating pipelines 5 are all connected with the box 9, the circulating pipeline 5 on the right side is provided with an, check valve can prevent that fluid from flowing backward, (mixing) shaft 19 sets up a plurality of boards 12 that turn over, turn over board 12 and be hollow structure, turn over and set up a plurality of gas pockets 11 on the board 12, the (mixing) shaft 19 left end extends to air cavity 22 and rotates connection support frame 20, air cavity 22 fixed connection support frame 20, air cavity 22 pipe connection trachea 21, trachea 21 pipe connection gas tank 18, set up (mixing) shaft 19 and air cavity 22, it rotates to utilize the motor to drive (mixing) shaft 19, pour into (mixing) shaft 19 with the gas in the gas tank 18 through air cavity 22, stir the insulating oil of turning over board 12 to box 9 inside, let in quantitative gas to insulating oil by gas pocket 11 that turns over board 12, thereby increase the dissolving rate of gas and fluid.

Referring to fig. 1-2, an oil adjusting pipe 13 is connected to an upper side of the box 9 through a pipeline, another end of the oil adjusting pipe 13 is connected to an oil adjusting cylinder 15 through a pipeline, a liquid level meter 16 is arranged on the oil adjusting cylinder 15, the liquid level change of oil in the oil adjusting cylinder 15 can be monitored through the liquid level meter 16, the usage amount of the oil can be intuitively known, a bottom support frame 14 is fixedly connected to a lower side of the oil adjusting cylinder 15, the box 9 is fixedly connected to a lower side of the bottom support frame 14, the bottom support frame 14 has a supporting and fixing function, the oil adjusting cylinder 15 is arranged and can supplement the oil in the box 9, the pressure balance in the box 9 is adjusted, a plurality of interfaces 10 are arranged on a right side of the box 9, the interfaces 10 are externally connected to an online chromatograph, a vacuum pumping port 17 is arranged on an upper side of the box 9, gas in insulating oil in the box 9 can be pumped out by a vacuum machine, the oil, and controlling the operation process of the device by the valve.

Example 2

Referring to fig. 1, the difference between this embodiment and the above embodiment 1 is that a plurality of moving wheels 7 are fixedly connected to the lower side of the bottom plate 8, a push handle 1 is disposed on the upper side of the bottom plate 8, the moving wheels 7 are universal moving wheels with brakes, the moving wheels 7 and the push handle 1 are disposed, the moving wheels 7 are mounted to facilitate the movement of the device, and the push handle 1 is used to push the device, which is labor-saving.

The utility model discloses a theory of operation is: the chromatograph calibration device utilizes the push handle 1 to push the device when the device is used for calibrating an online chromatograph, the device moves through the moving wheel 7, when the device moves to a calibration site, insulating oil is filled into the box body 9 through the oil supplementing port 6, then the motor is started, the motor can simultaneously drive the circulating pump 4 and the stirring shaft 19 to work, then the valve of the air pipe 21 is opened to introduce air into the air chamber 22, the air can flow to the air hole 11 of the turning plate 12 through the hollow part of the stirring shaft 19, the stirring shaft 19 can drive the turning plate 12 to stir oil, the air is uniformly dissolved into the insulating oil while stirring, the insulating oil becomes standard insulating oil, then the standard insulating oil is externally connected with the online chromatograph through the interface 10, the online chromatograph is calibrated, the detection values of the online chromatograph and an experimental chromatograph are compared, so as to determine the detection accuracy of the online chromatograph, meanwhile, the oil adjusting cylinder 15 can adjust the air pressure inside the box body 9 to keep the air pressure balanced, and after the calibration is finished, the external vacuum machine of the vacuum pumping port 17 pumps out the gas in the mixed gas-liquid to finish the calibration work of the online chromatograph. The utility model discloses simple structure can check-up many online chromatographs to convenient to use is swift, can increase gas-liquid mixing speed, increases work efficiency, and fluid can cyclic utilization, has usable value in the calibration equipment field.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A chromatograph calibration device comprises a circulating pump (4), a bottom plate (8) and a box body (9), and is characterized in that the upper side of the bottom plate (8) is fixedly connected with the box body (9), the lower side of the box body (9) is provided with the circulating pump (4), the circulating pump (4) is externally connected with a plurality of circulating pipelines (5), the circulating pipelines (5) are connected with the box body (9) through pipelines, the circulating pipelines (5) on the right side are provided with oil supplementing ports (6), the box body (9) is rotatably connected with a stirring shaft (19), the stirring shaft (19) is of a hollow structure, a one-way valve is arranged inside the stirring shaft (19), the stirring shaft (19) is provided with a plurality of turning plates (12), the turning plates (12) are of a hollow structure, a plurality of air holes (11) are formed in the turning plates (12), the left end of the stirring shaft (19, the gas chamber (22) is connected with a gas pipe (21) through a pipeline, the gas pipe (21) is connected with a gas tank (18) through a pipeline, an oil adjusting pipe (13) is connected with the upper side pipeline of the tank body (9), the other end of the oil adjusting pipe (13) is connected with an oil adjusting cylinder (15) through a pipeline, a liquid level meter (16) is arranged on the oil adjusting cylinder (15), the lower side of the oil adjusting cylinder (15) is fixedly connected with a bottom support frame (14), and the lower side of the bottom support frame (14) is fixedly connected with the.

2. The chromatograph calibration device according to claim 1, wherein a plurality of movable wheels (7) are fixedly connected to the lower side of the bottom plate (8), the push handle (1) is arranged on the upper side of the bottom plate (8), and the movable wheels (7) are universal movable wheels with brakes.

3. The chromatograph calibration device according to claim 1, wherein an output end of the circulating pump (4) is fixedly connected with an output end of the motor, the output end of the circulating pump (4) is provided with a belt wheel (3), the belt wheel (3) on the upper side is fixedly connected with a stirring shaft (19), and a synchronous belt (2) is arranged between the belt wheels (3) on the upper side and the lower side.

4. The chromatograph calibration device according to claim 1, wherein the right side of the box (9) is provided with a plurality of ports (10), and the upper side of the box (9) is provided with a vacuum pumping port (17).

5. Chromatograph calibration device according to claim 1, characterized in that the oil transfer tube (13), the gas tube (21) and the oil replenishment port (6) are provided with valves.