CN217521086U

CN217521086U - Waste gas discharge device of liquid chromatogram tandem mass spectrometer

Info

Publication number: CN217521086U
Application number: CN202220689190.2U
Authority: CN
Inventors: 张丽; 赵晓丽; 张慧; 赵小慧; 陈兴
Original assignee: Ccic Zhongyuan Nongshi Product Testing Henan Co ltd
Current assignee: Ccic Zhongyuan Nongshi Product Testing Henan Co ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-09-30
Anticipated expiration: 2032-03-28

Abstract

The utility model discloses a liquid chromatogram tandem mass spectrograph's exhaust emission device belongs to liquid chromatogram tandem mass spectrograph technical field, has solved exhaust emission device and has changed the not convenient technical problem of filter core. It is equipped with a plurality of butt joint pipelines including concentrating the collection room, the intercommunication on concentrating the lateral wall of collecting the room, concentrates the inside of collecting the room to be equipped with and is used for controlling the open or closed adjusting device of butt joint pipeline. The inside detachable joint of concentrating the collection room is equipped with filter equipment. An outer discharge pipeline is communicated with the centralized collection chamber, and a filter screen is arranged at the outer port of the outer discharge pipeline. The centralized collection chamber comprises a chamber body and a side cover, wherein the chamber body and the side cover are detachably connected through a clamping assembly. The clamping assembly comprises a bayonet arranged inside the side cover and a groove arranged on the outer wall of the chamber body and corresponding to the bayonet, a spring is fixedly arranged inside the groove, a clamping piece made of flexible materials is arranged on the upper end cover of the spring, and the edge of the clamping piece is fixedly connected to the outer wall of the chamber body.

Description

Waste gas discharge device of liquid chromatogram tandem mass spectrometer

Technical Field

The utility model belongs to the technical field of liquid chromatogram tandem mass spectrograph, concretely relates to liquid chromatogram tandem mass spectrograph's exhaust emission device.

Background

The liquid chromatogram tandem mass spectrometer, its mass spectrum system is excellent sensitivity can ensure the minimum detection limit to ultra trace substance, has high performance and reliability standard. The method is mainly used for the field of life science, and is used for detecting pesticide residues in basic research, drug discovery and development, functional medicine, food safety and environmental analysis, trace analysis of forensic toxicology and clinical research, and quantitative and qualitative research of items such as food detection, environmental analysis, toxicology detection, pharmacokinetics and the like. Liquid chromatography tandem mass spectrometry can detect a plurality of biomarkers by one-time sample injection, and is gradually a recommended method for detecting biochemical small molecular markers. Liquid chromatogram tandem mass spectrograph can produce waste gas when using, contains the material harmful to the human body in the waste gas of production, and the waste gas of liquid chromatogram tandem mass spectrograph during operation need pass through the pipeline after filtration treatment and discharge to outdoor, and exhaust emission device can reduce using filter effect after a period, makes the filtration not up to standard, needs in time to change, if not change, discharges and can cause serious pollution to the environment to outdoor waste gas. The work labor amount of replacement personnel is large when replacing the filtering device by the existing waste gas discharge device, and the device is time-consuming and not convenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of prior art, and provide a liquid chromatogram tandem mass spectrograph's exhaust emission device, solved exhaust emission device and changed the not convenient technical problem of filter core.

The purpose of the utility model is realized like this: the waste gas discharge device of the liquid chromatography tandem mass spectrometer comprises a centralized collection chamber, wherein a plurality of butt joint pipelines are communicated and arranged on the side wall of the centralized collection chamber, and an adjusting device for controlling the opening or closing of the butt joint pipelines is arranged in the centralized collection chamber; the inside of the centralized collection chamber is detachably clamped with a filtering device; an outer discharge pipeline is communicated with the centralized collection chamber, and a filter screen is arranged at the outer port of the outer discharge pipeline.

Furthermore, the number of the butt joint pipelines is four, one end of each butt joint pipeline is communicated with the centralized collection chamber, and the other end of each butt joint pipeline is used for being in butt joint with an exhaust port of the liquid chromatogram tandem mass spectrometer.

Further, the adjusting device comprises a rotating rod rotatably connected to the top wall of the centralized collecting chamber, the lower end of the rotating rod vertically extends downwards to the inside of the centralized collecting chamber, and the lower end of the rotating rod corresponds to the port of the docking pipeline; the lower end of the rotating rod is fixedly provided with a spherical block, the side wall of the spherical block is in contact with the port of the butt joint pipeline, a transverse channel is formed inside the spherical block, and the transverse channel penetrates through the spherical block in the left-right direction; the upper end of the rotating rod is fixedly connected with a driving handle which is in a strip shape; and a grid blocking rod for blocking the driving handle is fixedly arranged on the outer wall of the top of the centralized collection chamber.

Further, the filtering device comprises a frame body, and activated carbon is filled in the frame body; and the upper outer frame and the lower outer frame of the frame body are fixedly connected with support lugs.

Furthermore, the centralized collection chamber comprises a chamber body and a side cover, and the chamber body and the side cover are detachably connected through a clamping assembly; the outer discharge pipe is connected to the side cover.

Further, the joint subassembly is including setting up the inside bayonet socket of side cap is in with the setting on the external wall of room with the corresponding recess of bayonet socket, the inside fixed spring that is equipped with of recess, the upper end cover of spring is equipped with the fastener of flexible material, the limit portion fixed connection of fastener is in on the external wall of room body.

Furthermore, the support lug is vertically connected with the frame body, and the support lug and the frame body are integrally formed.

Further, the filter screen with arrange the pipeline detachable connection outward.

The utility model has the advantages that: set up a plurality of butt joint pipelines through the intercommunication on concentrating the collection room, can dock a plurality of liquid chromatogram tandem mass spectrometers simultaneously, collect simultaneously the filtration to liquid chromatogram tandem mass spectrometer's emission waste gas, when needing to be changed filter equipment, can realize changing whole liquid chromatogram tandem mass spectrometer's filter equipment through once changing filter equipment, saved the time of changing filter equipment greatly. Through adjusting device's setting, if when not using certain liquid chromatogram tandem mass spectrometer, can close its butt joint pipeline port that corresponds, avoid waste gas to flow back to other liquid chromatogram tandem mass spectrometer's inside, and the closure process is light convenient. Through setting up filter equipment joint formula, it is lighter to change filter equipment, saves the change time. Through the setting of filter screen, avoid outdoor birds to nest in outer port department of arranging the pipeline outward, avoid arranging the pipeline jam damage outward.

Drawings

Fig. 1 is a top view of the present invention;

FIG. 2 is a cross-sectional view taken at C of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged view of A in FIG. 1 according to the present invention;

fig. 4 is an enlarged view of B in fig. 2 according to the present invention.

In the figure: 1. the device comprises a butt joint pipeline 2, an outer discharge pipeline 3, a filter screen 4, a liquid chromatogram tandem mass spectrometer 5, a rotary rod 6, a spherical block 7, a transverse channel 8, a driving handle 9, a blocking rod 10, a frame 11, active carbon 12, a support lug 13, a chamber body 14, a side cover 15, a bayonet 16, a groove 17, a spring 18, a clamping piece 19 and a deep groove ball bearing.

Detailed Description

The utility model is further explained by the following drawings, it should be pointed out that all the upper, lower, all around, equal position words appearing in the utility model are all the position words made by referring to the drawing in fig. 1, and all the position words are not limited to the utility model, which is just for clearer explanation and explanation.

Example 1

As shown in fig. 1 to 4, the present embodiment discloses an exhaust emission device of a liquid chromatography tandem mass spectrometer, which includes a centralized collection chamber, a plurality of docking pipes 1 are connected to a side wall of the centralized collection chamber, and an adjusting device for controlling the opening or closing of the docking pipes 1 is disposed inside the centralized collection chamber. The inside detachable joint of concentrating the collection room is equipped with filter equipment. An outer discharge pipeline 2 is communicated with the centralized collection chamber, and a filter screen 3 is arranged at the outer port of the outer discharge pipeline 2.

In this embodiment, through set up a plurality of butt joint pipelines 1 in the intercommunication on concentrating the collection room, can dock a plurality of liquid chromatogram tandem mass spectrometers 4 simultaneously, collect the filtration simultaneously to liquid chromatogram tandem mass spectrometers 4's emission waste gas, when needing to change filter equipment, can realize changing the filter equipment of whole liquid chromatogram tandem mass spectrometers 4 through once changing filter equipment, saved the time of changing filter equipment greatly. Through adjusting device's setting, if when not using certain liquid chromatogram tandem mass spectrometer 4, can close 1 port of its butt joint pipeline that corresponds, avoid waste gas reflux to other liquid chromatogram tandem mass spectrometer 4's inside, and the process of closing is light convenient. Through setting up filter equipment joint formula, it is lighter to change filter equipment, saves the change time. Through the setting of filter screen 3, avoid outdoor birds to nest in outer port department of arranging pipeline 2, avoid arranging pipeline 2 and block up the damage outward.

Example 2

As shown in fig. 1 to 4, the present embodiment discloses an exhaust emission device of a liquid chromatography tandem mass spectrometer, which includes a centralized collection chamber, a plurality of docking pipes 1 are connected to a side wall of the centralized collection chamber, and an adjusting device for controlling the opening or closing of the docking pipes 1 is disposed inside the centralized collection chamber. The inside detachable joint of concentrating the collection room is equipped with filter equipment. The centralized collection chamber is communicated with an outer discharge pipeline 2, the outer port of the outer discharge pipeline 2 is provided with a filter screen 3, and the filter screen 3 is detachably connected with the outer discharge pipeline 2.

For better effect, the number of the butt joint pipelines 1 is four, one end of each butt joint pipeline 1 is communicated with the centralized collection chamber, and the other end of each butt joint pipeline 1 is used for butt joint on an exhaust port of the liquid chromatogram tandem mass spectrometer 4. Through set up four butt joint pipelines 1 in the intercommunication on concentrating the collection room, can dock a plurality of liquid chromatogram tandem mass spectrometers 4 simultaneously, collect simultaneously and filter the exhaust gas of liquid chromatogram tandem mass spectrometers 4, when needing to be changed filter equipment, can realize changing the filter equipment of whole liquid chromatogram tandem mass spectrometers 4 through once changing filter equipment, saved the time of changing filter equipment greatly.

For better effect, the adjusting device comprises a rotating rod 5 rotatably connected to the top wall of the centralized collection chamber, the rotating rod 5 is mounted on the top of the centralized collection chamber through a deep groove ball bearing 19, the lower end of the rotating rod 5 vertically extends downwards to the inside of the centralized collection chamber and the lower end of the rotating rod 5 corresponds to the port of the butt joint pipeline 1. The lower extreme fixed connection of bull stick 5 is equipped with globular block 6, and the lateral wall of globular block 6 contacts with the port of butt joint pipeline 1, and horizontal channel 7 has been seted up to the inside of globular block 6, and horizontal channel 7 left and right directions runs through globular block 6. The upper end of the rotating rod 5 is fixedly connected with a driving handle 8, and the driving handle 8 is strip-shaped. A grid blocking rod 9 for blocking a driving handle 8 is fixedly arranged on the outer wall of the top of the centralized collection chamber. During the use, through rotating drive handle 8, the rotation of drive handle 8 can drive the rotation of bull stick 5, and bull stick 5 drives globular block 6 rotatory, and the rotation of globular block 6 can misplace transverse channel 7 and the port of butt joint pipeline 1, treats that transverse channel 7 and butt joint pipeline 1 misplace completely after, the port of butt joint pipeline 1 will be closed. The check rod 9 is used as a reference object, and when one end of the handle 8 to be driven rotates to be in contact with the check rod 9, the transverse channel 7 is in a complete dislocation state with the port of the butt joint pipeline 1. When the port of the butt joint pipe 1 needs to be opened, the driving handle 8 is rotated reversely. The whole adjusting process is convenient and fast, and time and labor are saved.

For better effect, the filtering device comprises a frame body 10, wherein the inside of the frame body 10 is filled with activated carbon 11, and the activated carbon 11 is used for adsorbing harmful substances in the exhaust gas. Equal fixedly connected with journal stirrup 12 on the upper and lower outer frame of framework 10, after journal stirrup 12 is fixed by the card, can realize that filter equipment is fixed, the filter equipment's of being convenient for installation and dismantlement.

For better results, the concentrated collection chamber includes a chamber body 13 and a side cover 14, and the outer discharge pipe 2 is connected to the side cover 14. The chamber body 13 and the side cover 14 are detachably connected through a clamping assembly, the clamping assembly comprises a bayonet 15 arranged inside the side cover 14 and a groove 16 arranged on the outer wall of the chamber body 13 and corresponding to the bayonet 15, a spring 17 is fixedly arranged inside the groove 16, a clamping piece 18 made of flexible materials is arranged on the upper end cover of the spring 17, and the edge of the clamping piece 18 is fixedly connected to the outer wall of the chamber body 13. The working principle of the clamping assembly is that due to the arrangement of the spring 17, an upward force is always exerted on the clamping piece 18 below the clamping piece 18, and the clamping piece 18 is always in an upward protruding state under the action of the upward force. The side cover 14 is provided with a bayonet 15, when the side cover 14 and the chamber body 13 are buckled together, the chamber body 13 and the side cover 14 are closed, the side cover 14 is pushed to move towards the chamber body 13, in the moving process of the side cover 14, the bayonet 15 of the side cover 14 can be coincided with the clamping piece 18, after the bayonet 15 is coincided with the clamping piece 18, under the action of the spring 17, the upper outer wall of the clamping piece 18 is firmly attached to the upper inner wall of the bayonet 15, and the side cover 14 is connected with the chamber body 13. When the side cover 14 is required to be separated from the chamber body 13, a force which is far away from the chamber body 13 is applied to the side cover 14, the side cover 14 moves towards the direction which is far away from the chamber body 13, the spring 17 is compressed during the movement of the side cover 14, the bayonet 15 is separated from the clamping piece 18, and the side cover 14 is separated from the chamber body 13.

For better effect, the support lug 12 is vertically connected with the frame body 10, the support lug 12 and the frame body 10 are integrally formed, when the filter device is used, the support lug 12 is clamped between the side cover 14 and the chamber body 13, the side cover 14 is connected with the chamber body 13, the support lug 12 can be firmly fixed, the filter device is firmly fixed, the support lug 12 is in an unfixed state when the side cover 14 is separated from the chamber body 13, the filter device can be easily dismounted, and the whole filter device is easily and quickly replaced.

Claims

1. The utility model provides a liquid chromatogram tandem mass spectrometer's exhaust emission device, is including concentrating the collection room, its characterized in that: the side wall of the centralized collection chamber is communicated with a plurality of butt joint pipelines (1), and an adjusting device for controlling the opening or closing of the butt joint pipelines (1) is arranged in the centralized collection chamber; the inside of the centralized collection chamber is detachably clamped with a filtering device; an outer discharge pipeline (2) is communicated with the centralized collection chamber, and a filter screen (3) is arranged at the outer port of the outer discharge pipeline (2).

2. The exhaust gas discharge device for a liquid chromatography tandem mass spectrometer according to claim 1, characterized in that: the number of the butt joint pipelines (1) is four, one end of each butt joint pipeline (1) is communicated with the centralized collection chamber, and the other end of each butt joint pipeline (1) is used for butt joint on an exhaust port of the liquid chromatogram tandem mass spectrometer (4).

3. The exhaust gas discharge device for a liquid chromatography tandem mass spectrometer according to claim 1 or 2, characterized in that: the adjusting device comprises a rotating rod (5) rotatably connected to the top wall of the centralized collecting chamber, the lower end of the rotating rod (5) vertically extends downwards to the inside of the centralized collecting chamber, and the lower end of the rotating rod (5) corresponds to the port of the butt joint pipeline (1); a spherical block (6) is fixedly arranged at the lower end of the rotating rod (5), the side wall of the spherical block (6) is in contact with the port of the butt joint pipeline (1), a transverse channel (7) is formed inside the spherical block (6), and the transverse channel (7) penetrates through the spherical block (6) in the left-right direction; the upper end of the rotating rod (5) is fixedly connected with a driving handle (8), and the driving handle (8) is strip-shaped; and a grid blocking rod (9) for blocking the driving handle (8) is fixedly arranged on the outer wall of the top of the centralized collection chamber.

4. The exhaust gas discharge device for a liquid chromatography tandem mass spectrometer according to claim 1, characterized in that: the filtering device comprises a frame body (10), wherein activated carbon (11) is filled in the frame body (10); the upper outer frame and the lower outer frame of the frame body (10) are fixedly connected with support lugs (12).

5. The exhaust gas discharge device for a liquid chromatography tandem mass spectrometer according to claim 1, characterized in that: the centralized collection chamber comprises a chamber body (13) and a side cover (14), wherein the chamber body (13) and the side cover (14) are detachably connected through a clamping assembly; the outer discharge pipe (2) is connected to the side cover (14).

6. The exhaust gas discharge device for a liquid chromatography tandem mass spectrometer according to claim 5, characterized in that: the joint subassembly is including setting up bayonet socket (15) inside side cap (14) is in with the setting on the outer wall of the room body (13) with corresponding recess (16) of bayonet socket (15), the inside of recess (16) is fixed and is equipped with spring (17), the upper end cap of spring (17) is equipped with fastener (18) of flexible material, the limit portion fixed connection of fastener (18) is in on the outer wall of the room body (13).

7. The exhaust gas discharge device for a liquid chromatography tandem mass spectrometer according to claim 4, wherein: the support lug (12) is vertically connected with the frame body (10), and the support lug (12) and the frame body (10) are integrally formed.

8. The exhaust gas discharge device for a liquid chromatography tandem mass spectrometer according to claim 1, characterized in that: the filter screen (3) is detachably connected with the outer discharge pipeline (2).