CN211235674U

CN211235674U - Novel gas chromatograph

Info

Publication number: CN211235674U
Application number: CN201921373096.0U
Authority: CN
Inventors: 彭文
Original assignee: China Petroleum Shanghai Instrument Co ltd
Current assignee: China Petroleum Shanghai Instrument Co ltd
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-08-11
Anticipated expiration: 2029-08-22

Abstract

The utility model discloses a novel gas chromatograph, include: case, machine case surface left side is equipped with air intake assembly and right flank surface and is equipped with the controller subassembly, air intake assembly right side is equipped with three breather pipes of group and the breather pipe right side is equipped with the collecting pipe, the collecting pipe right side is equipped with vaporizer and is linked together with the collecting pipe, vaporizer surface evenly twines has electric heating wire and left side regulator electric connection, inside a plurality of heat preservation cavitys and the inside even packing of heat preservation cavity of being equipped with of vaporizer has the heat preservation cotton, the vaporizer lower part is equipped with the inside chromatographic column that is equipped with of post case and post case, the vaporizer is linked together through being linked together between connecting tube and the chromatographic column, the chromatographic column is the spiral arrangement. The utility model discloses a set up the heat preservation cavity in the vaporizer inner wall, it is cotton to fill high density heat preservation in its inside, has effectively reduced the temperature loss speed of vaporizer, has guaranteed the high temperature environment of vaporizer.

Description

Novel gas chromatograph

Technical Field

The utility model relates to a gas chromatograph technical field, more specifically are novel gas chromatograph.

Background

The gas chromatograph is a device for detecting and analyzing gas substances, and has different distribution coefficients of components in stationary liquid and different running speeds of the components in the stationary liquid due to different properties of the substances, so that the components are separated from each other after flowing for a certain time, leave the stationary liquid in sequence, enter a detector and are amplified for detection.

At present, a chromatographic column is a heart of a gas chromatograph and is used for separating substances in detected gas, but the chromatography has the following problems: 1. the existing gas chromatograph needs high temperature to instantly gasify the moisture in the detected gas, but the temperature loss speed is high after the high temperature is reached, and a certain time is needed for heating again, so that the detection speed is slow; 2. the existing column box is low in cooling rate, analysis time is greatly consumed, and the distance between an air inlet and an air outlet is close, so that cold and hot gases are easily mixed. Therefore, a new technical solution needs to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel gas chromatograph, this gas chromatograph is through setting up the heat preservation cavity in the vaporizer inner wall, and it is cotton to fill high density heat preservation in its inside, has effectively reduced the temperature running off speed of vaporizer, has guaranteed the high temperature environment of vaporizer, satisfies the practical application demand.

In order to achieve the above object, the utility model provides a following technical scheme: a novel gas chromatograph comprising: the device comprises a case, wherein an air inlet assembly is arranged on the left side of the surface of the case, a controller assembly is arranged on the right side of the surface of the case, three groups of vent pipes are arranged on the right side of the air inlet assembly, a collecting pipe is arranged on the right side of the vent pipes, a gasification chamber is arranged on the right side of the collecting pipe and communicated with the collecting pipe, an electric heating wire is uniformly wound on the surface of the gasification chamber and electrically connected with a left regulator, a plurality of heat preservation cavities are arranged in the gasification chamber, heat preservation cotton is uniformly filled in the heat preservation cavities, a column box is arranged on the lower portion of the gasification chamber, a chromatographic column is arranged in the column box, the gasification chamber is communicated with the chromatographic column through a connecting pipeline, the chromatographic column is spirally arranged, a detection chamber is arranged on the upper portion of the column box and communicated with the detection chamber through a connecting pipeline, an exhaust hole is, the column box lower part is equipped with the cooler bin, the upper left portion of cooler bin is equipped with inlet tube and upper right portion and is equipped with the outlet pipe, column incasement wall is equipped with heat exchange tube and evenly winds at column incasement wall, the heat exchange tube left side is connected with the inlet tube and the right side is connected with the outlet pipe.

As a preferred embodiment of the utility model, three groups the inside control valve and the control valve that all are equipped with of breather pipe passes through wire and controller subassembly electric connection.

As a preferred embodiment of the present invention, the air intake assembly includes a timer and an air inlet, and the air intake assembly and the controller assembly are electrically connected through a wire.

As an optimized embodiment of the utility model, the column box inner wall is equipped with insulating layer and heat exchange tube and walks inside the insulating layer.

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

(1) the utility model discloses a set up the heat preservation cavity in the vaporizer inner wall, it is cotton to fill high density heat preservation in its inside, has effectively reduced the temperature loss speed of vaporizer, has guaranteed the high temperature environment of vaporizer.

(2) The utility model discloses a set up the isolated outside temperature of insulating layer in the post incasement wall and to the influence of post case, set up heat exchange tube and the inside heat of post incasement portion and take place the heat transfer reaction simultaneously in the insulating layer, make the post case dispel the heat fast, and set up in the case both sides between the subassembly that admits air and the gas vent of device, isolated the influence between the high low temperature gas.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the heat-insulating cavity of the present invention;

fig. 4 is a schematic view of the heat exchange tube structure of the present invention.

In the figure, a case-1, an air inlet assembly-2, a controller assembly-3, a vent pipe-4, a control valve-5, a collecting pipe-6, a gasification chamber-7, an electric heating wire-8, a column box-9, a chromatographic column-10, a detection chamber-11, an exhaust hole-12, a main control board-13, a cooling box-14, a water inlet pipe-15, a water outlet pipe-16, a heat preservation cavity-17, heat preservation cotton-18, a heat exchange pipe-19 and a heat preservation layer-20.

Detailed Description

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.

Referring to fig. 1-3, the present invention provides a technical solution: a novel gas chromatograph comprising: the machine case 1, the left side of the surface of the machine case 1 is provided with an air inlet component 2, the right side surface of the machine case 1 is provided with a controller component 3, the right side of the air inlet component 2 is provided with three groups of vent pipes 4, the right sides of the vent pipes 4 are provided with collecting pipes 6, air sources with different types of interfaces can be connected through the air inlet pipe component 2, air inflow is controlled through a timer, convenience and rapidness are realized, the right side of the collecting pipe 6 is provided with a gasification chamber 7, the gasification chamber 7 is communicated with the collecting pipes 6, the surface of the gasification chamber 7 is uniformly wound with electric heating wires 8, the electric heating wires 8 are electrically connected with a left-side regulator, a plurality of heat preservation cavities 17 are arranged inside the gasification chamber 7, heat preservation cotton 18 is uniformly filled inside the heat preservation cavities 17, when the air source enters the gasification chamber 7, the electric heating, the heat preservation cavity 17 arranged in the case can greatly reduce the loss of the internal temperature, the heat preservation cotton 18 is matched with the filling to achieve better heat preservation effect, the gasification chamber 7 can always keep high temperature environment, the lower part of the gasification chamber 7 is provided with a column box 9, the column box 9 is internally provided with a chromatographic column 10, the gasification chamber 7 is communicated with the chromatographic column 10 through a connecting pipeline, the chromatographic column 10 is spirally arranged, the upper part of the column box 9 is provided with a detection chamber 11, the chromatographic column 10 is communicated with the detection chamber 11 through a connecting pipeline, the top of the detection chamber 11 is provided with an exhaust hole 12, the right side of the case 1 is internally provided with a main control board 13, the main control board 13 is electrically connected with the controller component 3 through a lead, the gasification chamber 7 transmits the gasified gas into the chromatographic column 10 through the connecting pipeline, the chromatographic column 10 is spirally arranged to increase the passing time of the gas, and increase the, the separated gas enters the detection chamber 11 through the connecting pipeline for detection, the detection result is displayed through the display module of the controller component 3, the detection personnel can conveniently and visually know the condition, the residual gas is discharged through the exhaust hole 12, the exhaust hole 12 and the gas inlet component 2 are arranged at two sides of the case 1, the influence between the high-temperature gas and the low-temperature gas is isolated, the cooling case 14 is arranged at the lower part of the column case 9, the water inlet pipe 15 is arranged at the left upper part of the cooling case 14, the water outlet pipe 16 is arranged at the right upper part of the cooling case, the heat exchange pipe 19 is arranged on the inner wall of the column case 9, the heat exchange pipe 19 is uniformly wound on the left side of the column case 9 and is connected with the water inlet pipe 15, the right side of the heat exchange pipe 19 is connected with the water outlet pipe 16 of the cooling case 14, the heat exchange pipe, and the cooling water passes through the heat exchange tube 19 and reacts with the heat in the column box 9 to quickly take away the heat so as to quickly cool the column box, thereby improving the use efficiency.

Further improved, as shown in fig. 2: three groups the inside control valve 5 and the control valve 5 that all is equipped with of breather pipe 4 pass through wire and 3 electric connection of controller subassembly, and the setting of control valve 5 can the effective control 2 each interfaces of subassembly that admit air open and shut, control convenient and fast.

Further improved, as shown in fig. 4: the inner wall of the column box 9 is provided with a heat insulation layer 20, the heat exchange tubes 19 penetrate through the heat insulation layer 20, the arrangement of the heat insulation layer 20 can ensure that the temperature inside the column box 9 cannot affect the outside, the cooling rate of the cooling device is ensured, and the working efficiency is improved.

The utility model discloses a gas inlet pipe subassembly 2 can be connected the air supply of different model interfaces, and control the air input through the time-recorder, convenient and fast, when the air supply got into vaporizer 7, electric heating wire 8 started, adjust the electric current volume through the regulator, make it can adjust heating temperature according to the electric current volume size, after vaporizer 7 was heated to electric heating wire 8, the loss of inside temperature can greatly be reduced to the heat preservation cavity 17 that sets up inside, cooperate the heat preservation cotton 18 of packing to reach better heat preservation effect, make vaporizer 7 can keep high temperature environment all the time, vaporizer 7 transmits gasified gas to chromatographic column 10 in through the connecting tube, chromatographic column 10 is the spiral arrangement and can increase the running time of gas, the separation effect of chromatographic column 10 has been increased, gas after the separation detects after getting into detection room 11 through the connecting tube, the detection result shows through the display module of controller subassembly 3, make things convenient for the audio-visual understanding condition of testing personnel, the residual gas is discharged through exhaust hole 12, exhaust hole 12 sets up in quick-witted case 1 both sides with admit air subassembly 2, the influence between the high low temperature gas has been isolated, the even winding of post case 9 inner wall has heat exchange tube 19, heat exchange tube 19 is connected with inlet tube 15 and the outlet pipe 16 of cooler bin 14, make it form hydrologic cycle and make the cooling water can recycle, use cost is reduced, and the cooling water is current in heat exchange tube 19 and the inside heat of post case 9 takes place the heat transfer reaction, take away the heat rapidly and make its rapid cooling, and the service efficiency is improved.

The product protected by the scheme is put into practical production and application at present, and particularly has certain success in the field of gas chromatographs, so that the technical scheme of the product is obviously proved to be beneficial, meets social requirements, and is suitable for batch production and popularization and use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel gas chromatograph is characterized in that: the method comprises the following steps: the device comprises a case (1), wherein an air inlet assembly (2) is arranged on the left side of the surface of the case (1), a controller assembly (3) is arranged on the right side of the surface of the air inlet assembly (2), three groups of vent pipes (4) are arranged on the right side of the air inlet assembly (2), a collecting pipe (6) is arranged on the right side of the vent pipes (4), a gasification chamber (7) is arranged on the right side of the collecting pipe (6), the gasification chamber (7) is communicated with the collecting pipe (6), an electric heating wire (8) is uniformly wound on the surface of the gasification chamber (7) and is electrically connected with a left regulator, a plurality of heat preservation cavities (17) are arranged in the gasification chamber (7), heat preservation cotton (18) is uniformly filled in the heat preservation cavities (17), a column box (9) is arranged on the lower portion of the gasification chamber (7), a chromatographic column (10) is arranged in the column box (9), and the gasification, chromatographic column (10) are the spiral and arrange, column case (9) upper portion is equipped with and detects room (11) and chromatographic column (10) and is linked together through connecting tube and detection room (11), it is equipped with exhaust hole (12) to detect room (11) top, machine case (1) right side inside is equipped with main control board (13) and controller subassembly (3) through wire electric connection, column case (9) lower part is equipped with cooler bin (14), cooler bin (14) upper left portion is equipped with inlet tube (15) and upper right portion and is equipped with outlet pipe (16), column case (9) inner wall is equipped with heat exchange tube (19) and heat exchange tube (19) evenly winds column case (9) inner wall, heat exchange tube (19) left side is connected with inlet tube (15) and the right side is connected with outlet pipe (16).

2. The novel gas chromatograph of claim 1, wherein: and the three groups of ventilation pipes (4) are internally provided with control valves (5), and the control valves (5) are electrically connected with the controller component (3) through leads.

3. The novel gas chromatograph of claim 2, wherein: the air inlet assembly (2) comprises a timer and an air inlet, and the air inlet assembly (2) is electrically connected with the controller assembly (3) through a lead.

4. The novel gas chromatograph of claim 1, wherein: the inner wall of the column box (9) is provided with a heat insulation layer (20) and the heat exchange tubes (19) pass through the heat insulation layer (20).