CN214067042U - Explosion-proof online gas chromatograph case - Google Patents
Explosion-proof online gas chromatograph case Download PDFInfo
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- CN214067042U CN214067042U CN202022924294.0U CN202022924294U CN214067042U CN 214067042 U CN214067042 U CN 214067042U CN 202022924294 U CN202022924294 U CN 202022924294U CN 214067042 U CN214067042 U CN 214067042U
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Abstract
The utility model belongs to the technical field of gas chromatograph, and relates to an explosion-proof online gas chromatograph case, which is characterized in that the chromatograph case is divided into three layers and four cases, including an electric box, a gas circuit box, a valve control box and a column temperature box; the electric box is communicated with the valve control box and is controlled by the positive pressure control system in the electric box to form a positive pressure cavity; the positive pressure control system in the valve control box controls the column temperature box to enable the column temperature box to form a positive pressure cavity; the utility model has positive pressure explosion-proof function, is suitable for explosion-proof occasions, and improves the product safety; the chassis is more reasonable in layout and more compact in structure; the disassembly and maintenance are convenient, and other auxiliary components are installed; the cable connector can be used for installing connectors or cables and the like, and has strong expandability.
Description
Technical Field
The utility model belongs to the technical field of gas chromatograph, especially, relate to an explosion-proof online gas chromatograph machine case.
Background
The gas chromatograph is a device for qualitatively and quantitatively analyzing a multi-component complex mixture by utilizing a chromatographic separation technology, a carrier gas drives the mixture to be detected to enter a chromatographic column, and different components of the mixture to be detected are separated in the chromatographic column due to different stationary phase retention times of the different components in the chromatographic column and enter a detector in sequence, so that the different components in the mixture are detected. The traditional gas chromatograph has small internal operation space, is very inconvenient to install and maintain, cannot be completely disassembled in each part, and has poor expandability; the existing gas chromatograph is only suitable for non-explosion-proof occasions, if the existing gas chromatograph is required to be used in explosion-proof occasions, an explosion-proof cabinet is additionally arranged, so that the product cost is greatly increased, the installation and use maintenance cost is reduced, and the competitiveness of the product is reduced.
Therefore, an explosion-proof type online gas chromatograph cabinet with compact structure, strong expandability and convenient installation and maintenance is urgently needed.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of above-mentioned prior art, the utility model provides an explosion-proof online gas chromatograph machine case has explosion-proof safety, compact structure, and the expansibility is strong, and installation and maintenance are convenient, promote the characteristics of product competitiveness.
In order to achieve the above object, the utility model adopts the following technical scheme: an explosion-proof online gas chromatograph case is characterized in that the chromatograph case is divided into three layers and four case bodies, and comprises an electric box, a gas path box, a valve control box and a column temperature box; the electric box is communicated with the valve control box and is controlled by the positive pressure control system in the electric box to form a positive pressure cavity; the positive pressure control system in the valve control box controls the column temperature box to enable the column temperature box to form a positive pressure cavity; thus, the explosion prevention of the body positive pressure (px) of the chromatograph can be realized; the electric box, the valve control box and the column temperature box are all provided with openable box doors; the electric box is positioned on the uppermost layer of the chromatograph, an electric box door is arranged at the front end of the electric box and connected with the electric box through a hinge, a cable interface is arranged on the right side surface of the electric box and is sealed by an explosion-proof cable clamping sealing joint, and a positive pressure control system is arranged on the right side surface of the electric box; a circuit board for data acquisition and processing and controlling the work of a chromatograph is arranged in the electric box; the gas circuit box is positioned in the middle layer of the chromatograph, the front end of the gas circuit box body is provided with a detachable door cover, and the right side surface of the gas circuit box body is provided with a detachable cover plate; the detachable cover plate is provided with a plurality of joint through holes for installing joints and pipelines; the pipeline enters the interior of the gas circuit box from the joint through hole, passes through the gas circuit box and enters the valve control box; the valve control box is positioned on the left side of the bottom layer of the chromatograph, the front end of the valve control box is provided with a valve control box door, the left side of the valve control box is provided with an openable side door, and the openable side door is provided with a positive pressure control system; the door of the valve control box is connected with the valve control box through a hinge; the openable side door is connected with the valve control box through a hinge; the column temperature box is positioned on the right side of the bottom layer of the chromatograph, the front end of the column temperature box is provided with a box door of the column temperature box, and the right side surface of the column temperature box is provided with a plurality of through holes and sealed by a fluororubber ring; the box door of the column temperature box is connected with the column temperature box through a hinge; and an explosion-proof industrial personal computer is installed on the door of the electric box.
Preferably, the electric box, the gas circuit box, the valve control box and the column temperature box are fixedly connected through bolts to form a chromatograph case.
Preferably, the explosion-proof type of the positive pressure control system is explosion-proof type and casting type.
Preferably, the right side surface of the electrical box is provided with a mounting through hole and is sealed by an explosion-proof cable clamp sealing joint of which the explosion-proof type is an increased safety type.
Preferably, the column temperature box consists of an inner box and an outer box, and heat insulation cotton is filled between the inner box and the outer box.
Preferably, the column incubator door consists of an inner door and an outer door, and heat insulation cotton is filled between the inner door and the outer door.
Preferably, the explosion-proof industrial personal computer is a tempered glass touch screen operation type computer resistant to an impact test.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the explosion-proof online gas chromatograph case has positive pressure explosion-proof function, is suitable for explosion-proof occasions, and improves the product safety;
2. the explosion-proof online gas chromatograph case divides the chromatograph into an electric box, a gas circuit box, a valve control box and a column temperature box according to each function, so that the layout of the case is more reasonable and the structure is more compact;
3. the explosion-proof online gas chromatograph case of the utility model is connected with an electric box, a gas circuit box, a valve control box and a column temperature box through bolts to form a gas chromatograph, which is convenient for disassembly and maintenance and installation of other auxiliary components;
4. the utility model discloses explosion-proof online gas chromatograph machine case is provided with a plurality of through-holes and seals with the fluororubber circle, also can be used for erection joint or cable etc. simultaneously, and scalability is strong.
Drawings
Fig. 1 is a schematic view of a main view structure of an explosion-proof online gas chromatograph case according to an embodiment of the present invention.
Fig. 2 is the left view structure diagram of the explosion-proof online gas chromatograph case of the embodiment of the utility model.
Fig. 3 is a right view structural schematic diagram of the explosion-proof online gas chromatograph case of the embodiment of the present invention.
In the figure, 1, an electrical box, 2, an air channel box, 3, a valve control box, 4, a column temperature box, 5, a column temperature box door, 6, a valve control box door, 7, a side door capable of being opened and closed of the valve control box, 8, an electrical box door, 9, an explosion-proof industrial personal computer, 10, a positive pressure control system, 11, a positive pressure system air channel, 12, an air channel box door cover, 13, a cable interface, 14, an explosion-proof cable clamp tight sealing joint, 15, an air channel box right side cover plate, 16, a joint through hole, 17, a joint, 18, a through hole, 19 and a fluororubber ring.
Detailed Description
The present invention will be further explained with reference to the following embodiments and drawings.
Examples
Referring to fig. 1-3, an explosion-proof online gas chromatograph case is structurally divided into three layers and four cases, including an electrical box 1, a gas circuit box 2, a valve control box 3 and a column temperature box 4; wherein, a set of positive pressure control system 10 is respectively arranged in the electrical box 1 and the valve control box 3, the electrical box 1 is communicated with the valve control box 3 and is controlled by the positive pressure control system 10 in the electrical box 1 to form a positive pressure cavity; a positive pressure control system 10 in the valve control box 3 controls the column temperature box 4 to enable the column temperature box 4 to form a positive pressure cavity; therefore, the positive pressure px explosion prevention of the chromatograph can be realized; the electric box 1, the valve control box 3 and the column temperature box 4 are all provided with openable box doors; the electrical box 1 is positioned at the uppermost layer of the chromatograph, an electrical box door 8 is arranged at the front end of the electrical box 1, the electrical box door 8 is connected with the electrical box 1 through a hinge, a cable interface 13 is arranged on the right side surface of the electrical box 1 and is sealed by an explosion-proof cable clamp tight sealing joint 14, and a positive pressure control system 10 is also arranged on the right side surface of the electrical box 1; the electric box 1 is internally provided with a circuit board for data acquisition and processing and controlling the work of a chromatograph.
The gas circuit box 2 is positioned in the middle layer of the chromatograph, the front end of the box body is provided with a front-end detachable door cover 12, and the right side surface is provided with a detachable cover plate 15; the right detachable cover plate 15 is provided with a plurality of joint through holes 16 for installing joints 17 and pipelines, and the pipelines enter the air channel box 2 from the joint through holes 16, pass through the air channel box 2 and enter the valve control box 3.
The valve control box 3 is positioned on the left side of the bottom layer of the chromatograph, the front end of the valve control box 3 is provided with a valve control box door 6, and the left side of the valve control box 3 is provided with an openable side door 7; the valve control box door 6 is provided with a positive pressure system gas path 11; the openable side door 7 is provided with a positive pressure control system 10; the valve control box door 6 is connected with the valve control box 3 through a hinge; the openable side door 7 is connected with the valve control box 3 through a hinge; a plurality of electronic flow controllers can be arranged in the valve control box 3 to control the flow of the gas entering the column temperature box 4.
The column temperature box 4 is positioned on the right side of the bottom layer of the chromatograph, the column temperature box 4 consists of an inner box and an outer box, and heat insulation cotton is filled between the inner box and the outer box; the front end of the column temperature box 4 is provided with a column temperature box door 5, the column temperature box door 5 consists of an inner door and an outer door, and heat insulation cotton is filled between the inner door and the outer door; the right side surface of the column temperature box 4 is provided with a plurality of through holes 18 which are sealed by a fluororubber ring 19 and can be used as an air inlet and a liquid outlet; the column temperature box door 5 is connected with the column temperature box 4 through a hinge; an explosion-proof industrial personal computer 9 is installed on a box door 8 of the electric box, and the explosion-proof industrial personal computer 9 is a tempered glass touch screen operation type computer resistant to an impact test; the electric box 1, the gas circuit box 2, the valve control box 3 and the column temperature box 4 are fixedly connected through bolts to form a chromatograph case.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (7)
1. An explosion-proof online gas chromatograph case is characterized in that the explosion-proof online chromatograph case is divided into three layers and four case bodies, and comprises an electric box, a gas circuit box, a valve control box and a column temperature box; the electric box is communicated with the valve control box and is controlled by the positive pressure control system in the electric box to form a positive pressure cavity; the positive pressure control system in the valve control box controls the column temperature box to enable the column temperature box to form a positive pressure cavity; the electric box, the valve control box and the column temperature box are all provided with openable box doors; the electric box is positioned on the uppermost layer of the chromatograph, an electric box door is arranged at the front end of the electric box and connected with the electric box through a hinge, a cable interface is arranged on the right side surface of the electric box and is sealed by an explosion-proof cable clamping sealing joint, and a positive pressure control system is arranged on the right side surface of the electric box; a circuit board for data acquisition and processing and controlling the work of a chromatograph is arranged in the electric box; the gas circuit box is positioned in the middle layer of the chromatograph, the front end of the gas circuit box body is provided with a detachable door cover, and the right side surface of the gas circuit box body is provided with a detachable cover plate; the detachable cover plate is provided with a plurality of joint through holes for installing joints and pipelines; the pipeline enters the interior of the gas circuit box from the joint through hole, passes through the gas circuit box and enters the valve control box; the valve control box is positioned on the left side of the bottom layer of the chromatograph, the front end of the valve control box is provided with a valve control box door, the left side of the valve control box is provided with an openable side door, and the openable side door is provided with a positive pressure control system; the door of the valve control box is connected with the valve control box through a hinge; the openable side door is connected with the valve control box through a hinge; the column temperature box is positioned on the right side of the bottom layer of the chromatograph, the front end of the column temperature box is provided with a box door of the column temperature box, and the right side surface of the column temperature box is provided with a plurality of through holes and sealed by a fluororubber ring; the box door of the column temperature box is connected with the column temperature box through a hinge; and an explosion-proof industrial personal computer is installed on the door of the electric box.
2. The explosion-proof online gas chromatograph cabinet of claim 1, characterized in that: the electric box, the gas circuit box, the valve control box and the column temperature box are fixedly connected through bolts to form a chromatograph case.
3. The explosion-proof online gas chromatograph cabinet of claim 1, characterized in that: the explosion-proof type of the positive pressure control system is explosion-proof type and casting type.
4. The explosion-proof online gas chromatograph cabinet of claim 1, characterized in that: the right side surface of the electric box is provided with a mounting through hole and is sealed by an explosion-proof cable clamp of an explosion-proof type for increasing safety.
5. The explosion-proof online gas chromatograph cabinet of claim 1, characterized in that: the column incubator is composed of an inner box and an outer box, and heat insulation cotton is filled between the inner box and the outer box.
6. The explosion-proof online gas chromatograph cabinet of claim 1, characterized in that: the column incubator door consists of an inner door and an outer door, and heat insulation cotton is filled between the inner door and the outer door.
7. The explosion-proof online gas chromatograph cabinet of claim 1, characterized in that: the explosion-proof industrial personal computer is a tempered glass touch screen operation type computer resistant to an impact test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022924294.0U CN214067042U (en) | 2020-12-09 | 2020-12-09 | Explosion-proof online gas chromatograph case |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022924294.0U CN214067042U (en) | 2020-12-09 | 2020-12-09 | Explosion-proof online gas chromatograph case |
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| CN214067042U true CN214067042U (en) | 2021-08-27 |
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| CN202022924294.0U Active CN214067042U (en) | 2020-12-09 | 2020-12-09 | Explosion-proof online gas chromatograph case |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114894558A (en) * | 2022-07-11 | 2022-08-12 | 南京霍普斯科技有限公司 | High-temperature explosion-proof sampling probe |
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2020
- 2020-12-09 CN CN202022924294.0U patent/CN214067042U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114894558A (en) * | 2022-07-11 | 2022-08-12 | 南京霍普斯科技有限公司 | High-temperature explosion-proof sampling probe |
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