Water removal device for chromatographic analyzer

Abstract

The utility model discloses a moisture removal device for a chromatographic analyzer, which comprises a fixed box, a storage cavity is arranged on one side in the fixed box, an equipment cavity is arranged on the other side in the fixed box, the moisture removal device further comprises mounting seats, the mounting seats are arranged on two sides of the rear of the fixed box, and the mounting seats are attached to the fixed box. A sliding cavity is formed in each mounting base, the air filtering pressure reducer is arranged on one side of the interior of the equipment cavity, an air dryer is arranged on the other side of the interior of the equipment cavity, and the air filtering pressure reducer communicates with the air dryer through a connecting pipe. The moisture removal device for the chromatographic analyzer provides a clean, dry and stable-pressure gas source environment for the chromatographic analyzer, so that the service lives of the chromatographic analyzer and related parts thereof are prolonged, the accuracy and reliability of an analysis result are improved, and the smooth proceeding of an experiment or production process is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to chromatographic analysis appearance technical field, specifically is a chromatographic analysis appearance moisture removal device. BACKGROUND

[0002] Chromatographic analysis appearance is a kind of precision analytical instrument, is widely used in chemical industry, pharmacy, environmental monitoring, food safety and multiple fields, it is based on chromatographic principle, utilizes the distribution coefficient difference between different substances in stationary phase and mobile phase, realizes the separation and analysis of complex mixture, chromatographic analysis appearance passes through the flow rate, temperature and pressure etc. Parameters such as accurate control mobile phase, makes the sample to be measured in chromatographic column occurs continuous multiple adsorption, desorption process, to realize the effective separation of each component, chromatographic analysis appearance is various, including gas chromatograph, high performance liquid chromatograph, ion chromatograph and supercritical fluid chromatograph etc.

[0003] But chromatographic analysis appearance will encounter some problems when processing some air containing many moisture, these moisture will make the components in chromatographic analysis appearance need more frequent cleaning, because moisture is easy to accumulate dust and impurities, secondly, moisture will affect the working effect of chromatographic analysis appearance, lead to not accurately separating and detecting the components in air, simultaneously, long-term in humid environment, electronic components in chromatographic analysis appearance are also easy to rust and damage, influence service life, therefore do not satisfy the existing demand, for this, we propose a kind of chromatographic analysis appearance moisture removal device. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of chromatographic analysis appearance moisture removal device to solve the problem that the air with water entering chromatographic analysis appearance inside is easy to cause chromatographic analysis appearance measurement data error and internal component damage, affect the data measurement of field chromatographic analysis appearance in the above background technique.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of chromatographic analysis appearance moisture removal device, including fixed box, the one side of the inside of fixed box is equipped with receiving cavity, the other side of the inside of fixed box is equipped with equipment cavity;

[0006] It further includes mounting seat, which is arranged on the two sides of the rear of the fixed box, and the mounting seat is attached to the fixed box, and the inside of the mounting seat is provided with a sliding cavity;

[0007] It further includes air filter pressure reducer, which is arranged on one side of the inside of the equipment cavity, and the other side of the inside of the equipment cavity is provided with air dryer, and the air filter pressure reducer and the air dryer are connected by a connecting pipe.

[0008] Preferably, the two sides of the rear end of the fixing box are welded with L-shaped clamping blocks, the lower ends of the L-shaped clamping blocks extend to the interior of the sliding cavity, and the L-shaped clamping blocks are in sliding fit with the sliding cavity.

[0009] Preferably, one side of the interior rear end of the equipment cavity is provided with a mounting plate, four threaded columns are threadedly connected to the front end of the mounting plate, the threaded columns penetrate through the air filter pressure reducer, the threaded columns are in threaded connection with the air filter pressure reducer, and knobs are mounted at the front ends of the threaded columns.

[0010] Preferably, two semicircular clamping rings are adhesively fixed to the upper side and the lower side of one side of the interior rear end of the receiving cavity, and the semicircular clamping rings are in elastic clamping with the air dryer.

[0011] Preferably, a magnetic iron sheet is adhesively fixed to the interior rear end of the receiving cavity.

[0012] Preferably, one end of the air filter pressure reducer is provided with an air inlet pipe, the lower end of the air dryer is provided with an air outlet pipe, and one end of the air inlet pipe and the air outlet pipe extends to the exterior of the equipment cavity.

[0013] Preferably, a first rotary door is rotatably mounted at one side of the front end of the fixing box, a second rotary door is rotatably mounted at the other side of the front end of the fixing box, and the interior of the second rotary door is provided with a transparent acrylic plate.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The utility model discloses a device cavity is formed in one side of the interior of the fixing box, the air filter pressure reducer and the air dryer are arranged in the equipment cavity, the air outlet pipe is connected with the air inlet gas source pipeline of the chromatographic analysis instrument, when the air with moisture enters, enters the interior of the air filter pressure reducer and the air dryer through the air inlet pipe, the air with moisture enters the air filter pressure reducer first and is filtered to remove impurities and reduces pressure, but the water removal is limited, then the air enters the air dryer, the high -efficient drying agent in the interior rapidly adsorbs water vapor, realizes the deep drying of the air, provides a clean, dry, pressure stable gas source environment for the chromatographic analysis instrument, not only prolongs the service life of the chromatographic analysis instrument and relative parts, but also improves the accuracy and reliability of the analysis result, ensures the smooth progress of the experiment or production process.

[0016] 2. The utility model welds L-shaped blocks on both sides of the rear end of the fixing box. When in use, the first rotating door can be opened to take out the two mounting bases and fix them with screws. Then, the L-shaped block can be moved down to slide into the interior of the sliding cavity, so that the fixing box and the mounting base can be quickly fixed. The close fit between the L-shaped block and the sliding cavity ensures that there is no gap during the installation process, thereby achieving a stable fixing effect, allowing for quick replacement and maintenance of the fixing box, and facilitating daily use.

[0017] 3. The utility model is provided with a mounting plate on one side of the interior of the equipment cavity and two semicircular snap rings on the other side of the interior of the equipment cavity. The semicircular snap rings are made of plastic material and have a certain elasticity, so the air dryer can be easily disassembled and assembled. By turning the knob at the front end of the installation, the knob will drive the threaded column to move out from the interior of the mounting plate, and then the air filter pressure reducer can be disassembled and assembled without additional auxiliary equipment. The air filter pressure reducer and air dryer are easy and quick to disassemble. In daily use, whether it is regular maintenance or sudden failure that requires replacement of parts, the operator can quickly and easily complete the disassembly and assembly of the air filter pressure reducer and air dryer without the need for tedious tool preparation and complicated operating steps, which greatly saves time and cost, and also reduces the requirements for the operator's skill level. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 This is a top view schematic diagram of the internal structure of the utility model;

[0020] Figure 3 This is a top view schematic diagram of the internal structure of the utility model;

[0021] Figure 4 It is a side view schematic diagram of the internal structure of the utility model.

[0022] In the figure: 1. Fixing box; 2. Storage cavity; 3. Magnetic iron sheet; 4. First rotating door; 5. Mounting seat; 6. Sliding cavity; 7. L-shaped block; 8. Equipment cavity; 9. Mounting plate; 10. Threaded column; 11. Knob; 12. Air filter pressure reducer; 13. Semicircular retaining ring; 14. Air dryer; 15. Connecting pipe; 16. Inlet pipe; 17. Outlet pipe; 18. Second rotating door; 19. Transparent acrylic plate. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] Please refer to Figures 1-4 The utility model provides a technical scheme: a water content removal device for chromatographic analysis instrument, including fixed box 1, the inside one side of fixed box 1 is equipped with storage cavity 2, the inside other side of fixed box 1 is equipped with equipment cavity 8;

[0025] It further includes mounting seat 5, which is arranged on both sides of the rear of fixed box 1, and mounting seat 5 is attached to fixed box 1, and the inside of mounting seat 5 is provided with sliding cavity 6.

[0026] It further includes air filter pressure reducer 12, which is arranged on one side of the inside of equipment cavity 8, and the other side of the inside of equipment cavity 8 is provided with air dryer 14, and air filter pressure reducer 12 is connected with air dryer 14 through connecting pipe 15.

[0027] In use, fixed box 1 is quickly installed on the chromatographic analysis instrument through mounting seat 5, and is stably connected by the close cooperation of sliding cavity 6 and L-shaped clamping block 7, and the built-in magnetic iron sheet 3 in storage cavity 2 ensures the stable storage of mounting seat 5, air enters through air inlet pipe 16, is filtered and depressurized by air filter pressure reducer 12 first, and then is dehydrated by air dryer 14, so that the air is dry and pure, transparent acrylic plate 19 facilitates the observation of the internal state, when maintenance is needed, air filter pressure reducer 12 is removed by rotating knob 11 to rotate threaded column 10, and air dryer 14 can be quickly replaced by pulling it forward, which is simple to operate and saves time.

[0028] Please refer to Figure 2 、 Figure 3 and Figure 4 L-shaped clamping block 7 is welded on both sides of the rear end of fixed box 1, the lower end of L-shaped clamping block 7 extends to the inside of sliding cavity 6, and L-shaped clamping block 7 is in sliding cooperation with sliding cavity 6, and the sliding cooperation of L-shaped clamping block 7 and sliding cavity 6 can quickly and stably connect fixed box 1 and mounting seat 5, and ensures no gap during installation by sliding cooperation, improves the tightness and stability of connection, and facilitates disassembly and reinstallation.

[0029] Please refer to Figure 1 and Figure 2The side of the rear end inside the equipment cavity 8 is provided with a mounting plate 9, the front end of the mounting plate 9 is threadedly connected with four threaded columns 10, the threaded columns 10 penetrate through the air filter pressure reducer 12, and the threaded columns 10 are all threadedly connected with the air filter pressure reducer 12, the front end of the threaded columns 10 is all provided with a knob 11, the threaded columns 10 can be easily adjusted in and out by rotating the knob 11, so that the air filter pressure reducer 12 can be fastened or disassembled, without using additional tools, and the operation is simple and fast;

[0030] Please refer to Figure 1 and Figure 2 The upper and lower sides of the side of the rear end inside the receiving cavity 2 are adhesively fixed with two semicircular clamping rings 13, and the semicircular clamping rings 13 are all elastically clamped with the air dryer 14, the semicircular clamping rings 13 are made of plastic material, the elastic properties of the plastic material make the semicircular clamping rings 13 tightly and stably clamp the air dryer 14, and at the same time, the air dryer 14 can be easily taken out for replacement or maintenance when needed, improving the flexibility and maintainability of the equipment;

[0031] Please refer to Figure 1 , Figure 2 and Figure 4 The rear end inside the receiving cavity 2 is adhesively fixed with a magnetic iron sheet 3, the magnetic force of the magnetic iron sheet 3 can ensure that the mounting seat 5 remains stable when stored, and is not easy to shake or fall off, improving the overall stability and safety of the equipment;

[0032] Please refer to Figure 1 and Figure 3 One end of the air filter pressure reducer 12 is provided with an air inlet pipe 16, and the lower end of the air dryer 14 is provided with an air outlet pipe 17, one end of the air inlet pipe 16 and the air outlet pipe 17 extends to the outside of the equipment cavity 8, such a design can clearly divide the air treatment process of the fixing box 1, ensure that the air enters smoothly from the air inlet pipe 16, and then is treated by filtering and drying in turn, and then is discharged from the air outlet pipe 17, which not only improves the efficiency of air treatment, but also facilitates the direct connection with external equipment or pipeline, thereby enhancing the practicality and flexibility of the equipment;

[0033] Please refer to Figure 1 and Figure 2 One side of the front end of the fixing box 1 is rotatably installed with a first rotating door 4, the other side of the front end of the fixing box 1 is rotatably installed with a second rotating door 18, the inside of the second rotating door 18 is provided with a transparent acrylic plate 19, the first rotating door 4 and the second rotating door 18 facilitate opening and closing the fixing box 1 to install and maintain the internal equipment, and the transparent acrylic plate 19 on the second rotating door 18 allows the operator to directly observe the running state in the equipment cavity 8 without opening the door, improving the safety of the equipment and the convenience of the operation.

[0034] Working principle: in use, open the first rotating door 4, take out the two mounting seats 5 from the storage cavity 2, the magnetic sheet 3 in the storage cavity 2 can ensure the stability of the mounting seat 5, fix the two mounting seats 5 on one side of the chromatographic analyzer through bolts, at this time make the L-shaped clamping block 7 align the sliding cavity 6, slide into the inside of the sliding cavity 6 from top to bottom, the close cooperation between the L-shaped clamping block 7 and the sliding cavity 6 ensures that there is no gap in the installation process, so that the fixing box 1 and the mounting seat 5 are firmly connected, realizing the quick installation of the fixing box 1, making the air outlet pipe 17 connected with the air inlet pipe of the chromatographic analyzer, when the air containing water is passed in from the air inlet pipe 16, the air will pass through the air filter pressure reducer 12 and the air dryer 14 in turn, the air filter pressure reducer 12 filters and reduces the pressure of the air, removes impurities and particulate matters in the air, and adjusts the pressure to the stable value required by the system, then the air enters the air dryer 14 for water removal treatment, the air dryer 14 adsorbs the water in the air through the drying medium inside, so that dry air is obtained, thereby prolonging the service life of the chromatographic analyzer and related components, and improving the accuracy and reliability of the analysis results, ensuring the smooth progress of the experiment or production process, the operator can observe the air filter pressure reducer 12 and the air dryer 14 through the transparent acrylic plate 19, when the operator needs to replace or maintain the air filter pressure reducer 12 and the air dryer 14, open the second rotating door 18, rotate the knob 11 to make the threaded column 10 rotate out of the inside of the mounting plate 9, so as to conveniently remove the air filter pressure reducer 12, hold the air dryer 14 and pull it forward, so that the air dryer 14 is separated from the semicircular clamping ring 13, and then the air filter pressure reducer 12 and the air dryer 14 can be quickly and conveniently replaced, without complicated tool preparation and complex operation steps, greatly saving the time cost.

[0035] It is obvious to those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A chromatographic analyzer water removal device, comprising a fixed box (1), one side of the inside of the fixed box (1) is provided with a receiving cavity (2), the other side of the inside of the fixed box (1) is provided with a device cavity (8), characterized in that: It also includes a mounting seat (5), which is provided on both sides of the rear of the fixed box (1), and the mounting seat (5) is attached to the fixed box (1), the inside of the mounting seat (5) is provided with a sliding cavity (6); It also includes an air filter pressure reducer (12), which is provided on one side of the inside of the device cavity (8), the other side of the inside of the device cavity (8) is provided with an air dryer (14), the air filter pressure reducer (12) and the air dryer (14) are connected by a connecting pipe (15).

2. The water removal device for a chromatograph according to claim 1, characterized by: The rear end of the fixed box (1) is welded with an L-shaped clamping block (7) on both sides, the lower end of the L-shaped clamping block (7) extends into the sliding cavity (6), and the L-shaped clamping block (7) is in sliding fit with the sliding cavity (6).

3. The water removal device for a chromatograph according to claim 1, characterized by: The rear end of the inside of the device cavity (8) is provided with a mounting plate (9), the front end of the mounting plate (9) is provided with four threaded columns (10), the threaded columns (10) penetrate the air filter pressure reducer (12), and the threaded columns (10) are in threaded connection with the air filter pressure reducer (12), the front end of the threaded columns (10) is provided with a knob (11).

4. The water removal device for a chromatograph according to claim 1, characterized by: The upper and lower sides of the rear end of the inside of the receiving cavity (2) are fixed with two semicircular clamping rings (13), and the semicircular clamping rings (13) are in elastic clamping with the air dryer (14).

5. The water removal device for a chromatograph according to claim 1, characterized by: The rear end of the inside of the receiving cavity (2) is fixed with a magnetic iron sheet (3).

6. The moisture removal device for a chromatographic analyzer according to claim 1, characterized in that: One end of the air filter pressure reducer (12) is provided with an air inlet pipe (16), the lower end of the air dryer (14) is provided with an air outlet pipe (17), one end of the air inlet pipe (16) and the air outlet pipe (17) extends to the outside of the device cavity (8).

7. The moisture removal device for a chromatographic analyzer according to claim 1, characterized in that: The front end of the fixed box (1) is rotatably provided with a first rotating door (4) on one side, the front end of the fixed box (1) is rotatably provided with a second rotating door (18) on the other side, the inside of the second rotating door (18) is provided with a transparent acrylic plate (19).

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