CN214649977U

CN214649977U - VOC on-line monitoring system chromatogram constant temperature control case

Info

Publication number: CN214649977U
Application number: CN202120871948.XU
Authority: CN
Inventors: 李永志
Original assignee: Beijing Peony Friends Union Environmental Protection Technology Co ltd
Current assignee: Beijing Peony Friends Union Environmental Protection Technology Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-11-09
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses a VOC on-line monitoring system chromatogram constant temperature control case, including the constant temperature base, the top of constant temperature base is rotated and is connected with a heat preservation section of thick bamboo, and the top fixedly connected with end cover of a heat preservation section of thick bamboo, the top of constant temperature base and the inside that is located a heat preservation section of thick bamboo evenly are provided with the multiunit positioning mechanism who places the chromatographic column, positioning mechanism includes the prism of fixed connection in heat preservation bobbin base portion, the utility model relates to a thermostated container technical field. This VOC on-line monitoring system chromatogram constant temperature control case through set up multiunit positioning mechanism in equipment inside, can preserve multiunit chromatographic column, and equipment space is airtight, and it is effectual to keep warm, and the export of taking out the chromatographic column is less, only needs shift the export to the top that corresponds the chromatographic column when needing to take out, can upwards release the chromatographic column, and this in-process is because the space of opening is little, and the inside and outside heat exchange of equipment is less, and is little to the influence of the inside constant temperature state of equipment, and it is effectual to store at constant temperature.

Description

VOC on-line monitoring system chromatogram constant temperature control case

Technical Field

The utility model relates to a thermostated container technical field specifically is a VOC on-line monitoring system chromatogram thermostatic control case.

Background

The chromatographic column consists of column tube, pressing cap, clamping sleeve, sieve plate, joint, screw, etc. The column tube is made of stainless steel, when the pressure is not higher than 70kg/cm2, thick-wall glass or quartz tube can be used, and the inner wall of the tube is required to have high smoothness. In order to improve the column effect and reduce the tube wall effect, the inner wall of the stainless steel column is polished. Fluoroplastics are also coated on the inner wall of the stainless steel column to improve the smoothness of the inner wall, and the effect is the same as that of polishing. Also, use of fused silica or glass liners for thin tubing strings. The sieve plates are arranged in the column joints at the two ends of the chromatographic column, are sintered stainless steel or titanium alloy, and have the aperture of 0.2-20 microns (5-10 & mum) depending on the granularity of the filler, so that the filler is prevented from leaking.

Some chromatographic columns that have now need carry out the constant temperature and preserve, the thermostated container that uses usually is only simple chromatographic column of placing, heat the accuse temperature in inside, but the inside heat distribution of thermostated container of current is not even, the temperature that leads to different chromatographic columns and chromatographic column different positions has slight deviation, can influence the detection precision, and current thermostated container is when opening the lid and take out the chromatographic column, because inside and outside heat exchange, can lead to temperature fluctuation great in the thermostated container, and then influence the save of other chromatographic columns.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a VOC on-line monitoring system chromatogram thermostatic control case has solved the inside heat distribution of current thermostated container and is uneven, may influence the detection precision of chromatographic column, and current thermostated container when opening the lid and take out the chromatographic column, because inside and outside heat exchange, can lead to the temperature fluctuation great in the thermostated container, and then influences the problem of the save of other chromatographic columns.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a VOC on-line monitoring system chromatogram constant temperature control box, includes constant temperature base, constant temperature base's top is rotated and is connected with a heat preservation section of thick bamboo, and the top fixedly connected with end cover of a heat preservation section of thick bamboo, constant temperature base's top and the inside that is located a heat preservation section of thick bamboo evenly are provided with the multiunit positioning mechanism who places the chromatographic column, positioning mechanism includes the prism of fixed connection in the heat preservation bobbin base portion, prismatic outside slip cap is equipped with the sleeve, and the equal fixedly connected with cover in telescopic upper and lower both ends establishes the outside cardboard in prism, the cardboard is kept away from prismatic one side and is seted up the constant head tank with chromatographic column looks adaptation, the sleeve is close to one side fixedly connected with stationary blade of a heat preservation section of thick bamboo.

The side of a section of thick bamboo that keeps warm just is located the below of stationary blade and runs through sliding connection and promotes the piece, and the side of a section of thick bamboo that keeps warm sets up the spout with promoting a looks adaptation, the outside fixedly connected with that promotes the piece covers the slide of spout, and the outside fixedly connected with slider of slide, the top of end cover just is located the position fixedly connected with magnetism of slide top and absorbs the material mouth, the top of end cover just is located the top that the magnetism absorbs the material mouth and rotates and be connected with the sealed lid that can cover magnetism and inhale the material mouth top.

Preferably, sealed lid is iron, can inhale the material mouth and adsorb each other with magnetism, and the bottom fixedly connected with of sealed lid covers magnetism and inhales the seal membrane at material mouth top, the top hoop of prismatic side is provided with a plurality of location archs that correspond with positioning mechanism, and the eccentric rotation in center at end cover top is connected with the briquetting, and one side crimping of briquetting is at sealed lid top.

Preferably, the bottom of the clamping plate at the lower side is fixedly connected with a bottom support, and a cushion pad is fixedly connected with the bottom of the inner surface of the bottom support.

Preferably, the center fixedly connected with dryer at constant temperature base top, and the side fixedly connected with gauze of dryer, the small-size fan of the center fixedly connected with top and dryer inner chamber intercommunication of constant temperature base inner chamber.

Preferably, the top of constant temperature base just is located and has seted up the inlet port between a plurality of positioning mechanism, the inside of constant temperature base just is located the inlet port and the cage in the small-size fan outside, the inside fixedly connected with annular heating wire of cage, and the inside left side fixedly connected with annular heating wire electric connection's of constant temperature base constant temperature heater.

Preferably, the front surface of the constant temperature base is fixedly connected with an electronic screen and a key respectively, and the small fan, the key and the constant temperature heater are electrically connected with the electronic screen.

Preferably, the top of the constant-temperature base and the inner side of the heat-insulating cylinder are provided with positioning rings, and the outer sides of the positioning rings are fixedly connected with sealing rings attached to the inner surface of the heat-insulating cylinder.

Advantageous effects

The utility model provides a VOC on-line monitoring system chromatogram constant temperature control case. Compared with the prior art, the method has the following beneficial effects:

(1) this VOC on-line monitoring system chromatogram constant temperature control case through set up multiunit positioning mechanism in equipment inside, can preserve multiunit chromatographic column, and equipment space is airtight, and it is effectual to keep warm, and the export of taking out the chromatographic column is less, only needs shift the export to the top that corresponds the chromatographic column when needing to take out, can upwards release the chromatographic column, and this in-process is because the space of opening is little, and the inside and outside heat exchange of equipment is less, and is little to the influence of the inside constant temperature state of equipment, and it is effectual to store with constant temperature.

(2) This VOC on-line monitoring system chromatogram constant temperature control case through setting up small-size fan cooperation dryer, inlet port and cage isotructure, can form weak circulation air current in a heat preservation section of thick bamboo, makes the more even dispersion of heat, and then reaches whole homothermal effect, and the air current circulation in-process through annular heater strip, is convenient for regulate and control temperature, convenient to use.

Drawings

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

FIG. 2 is a top cross-sectional view of the structure of the present invention;

fig. 3 is a front view of the positioning mechanism of the present invention;

fig. 4 is a schematic structural view of the constant temperature base and the air duct of the present invention.

In the figure: 1-constant temperature base, 2-heat preservation cylinder, 3-end cover, 4-positioning mechanism, 41-prism, 42-sleeve, 43-clamping plate, 44-positioning groove, 45-fixing piece, 46-buffer pad, 47-bottom support, 5-pushing block, 6-sliding piece, 7-sliding block, 8-magnetic suction material nozzle, 9-sealing cover, 10-sealing film, 11-positioning protrusion, 12-pressing block, 13-air duct, 14-gauze, 15-small fan, 16-air inlet hole, 17-isolation cover, 18-annular heating wire, 19-constant temperature heater, 20-electronic screen, 21-key, 22-positioning ring and 23-sealing ring.

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. 1-4, the present invention provides a technical solution: a VOC on-line monitoring system chromatogram constant temperature control box comprises a constant temperature base 1, wherein the inside of the constant temperature base 1 is also provided with conventional components such as a circuit board and a transformer, which are not described in detail, the top of the constant temperature base 1 is rotatably connected with a heat preservation cylinder 2, the top of the heat preservation cylinder 2 is fixedly connected with an end cover 3, the top of the constant temperature base 1 and the inner side of the heat preservation cylinder 2 are provided with a positioning ring 22, the outer side of the positioning ring 22 is fixedly connected with a sealing ring 23 attached to the inner surface of the heat preservation cylinder 2, the top of the constant temperature base 1 and the inner side of the heat preservation cylinder 2 are uniformly provided with a plurality of groups of positioning mechanisms 4 for placing chromatographic columns, each positioning mechanism 4 comprises a prism 41 fixedly connected to the bottom of the heat preservation cylinder 2, the outer part of the prism 41 is slidably sleeved with a sleeve 42, the upper end and the lower end of the sleeve 42 are fixedly connected with a clamping plate 43 sleeved outside the prism 41, one side of the clamping plate 43 far away from the prism 41 is provided with a positioning groove 44 matched with the chromatographic column, one side fixedly connected with stationary blade 45 that sleeve 42 is close to a section of thick bamboo 2 that keeps warm, the bottom fixedly connected with collet 47 of downside cardboard 43, and the bottom fixedly connected with blotter 46 of collet 47 internal surface.

A pushing block 5 is connected to the side surface of the heat-insulating cylinder 2 and below the fixing piece 45 in a penetrating and sliding manner, a sliding groove matched with the pushing block 5 is formed in the side surface of the heat-insulating cylinder 2, a sliding sheet 6 covering the sliding groove is fixedly connected to the outer portion of the pushing block 5, a sliding block 7 is fixedly connected to the outer side of the sliding sheet 6, a magnetic suction material nozzle 8 is fixedly connected to the top portion of the end cover 3 and above the sliding sheet 7, a sealing cover 9 capable of covering the top portion of the magnetic suction material nozzle 8 is rotatably connected to the top portion of the end cover 3 and above the magnetic suction material nozzle 8, the sealing cover 9 is made of iron and can be mutually adsorbed with the magnetic suction material nozzle 8, a sealing film 10 covering the top portion of the magnetic suction material nozzle 8 is fixedly connected to the bottom portion of the sealing cover 9, a plurality of positioning protrusions 11 corresponding to the positioning mechanism 4 are circumferentially arranged on the top portion of the prism 41, and a pressing block 12 is rotatably connected to the center of the top portion of the end cover 3 in an eccentric manner, and one side of briquetting 12 can the crimping at sealed 9 tops of covering, through set up multiunit positioning mechanism 4 in equipment inside, can preserve multiunit chromatographic column, and equipment space is airtight, and it is effectual to keep warm, and the export of taking out the chromatographic column is less, only needs shift the export to the top that corresponds the chromatographic column when needing to take out, can upwards release the chromatographic column, and this in-process is because the space of opening is little, and the heat exchange is less inside and outside the equipment, and is little to the influence of the inside constant temperature state of equipment, and it is effectual to store at constant temperature.

The central fixedly connected with dryer 13 at the top of constant temperature base 1, and the side fixedly connected with gauze 14 of dryer 13, be provided with temperature sensor in the dryer 13, but accurate control temperature, the central fixedly connected with top of the inner chamber of constant temperature base 1 and the small-size fan 15 of dryer 13 inner chamber intercommunication, the top of constant temperature base 1 just is located and has seted up inlet port 16 between a plurality of positioning mechanism 4, the inside of constant temperature base 1 just is located inlet port 16 and the cage 17 in the small-size fan 15 outside, the inside fixedly connected with ring heater 18 of cage 17, and the constant temperature heater 19 of the inside left side fixedly connected with ring heater 18 electric connection of constant temperature base 1, the front of constant temperature base 1 fixedly connected with electronic screen 20 and button 21 respectively, and small-size fan 15, button 21 and constant temperature heater 19 all with electronic screen 20 electric connection, through setting up small-size fan 15 cooperation dryer 13, The structures of the air inlet 16, the isolation cover 17 and the like can form weak circulating air flow in the heat preservation cylinder 2, so that heat is dispersed more uniformly, the integral constant temperature effect is further achieved, and the temperature can be conveniently regulated and controlled through the annular heating wire 18 in the air flow circulating process, and the use is convenient.

Meanwhile, the contents which are not described in detail in the specification belong to the prior art which is known by the person skilled in the art, and the model parameters of each electric appliance are not particularly limited, and conventional equipment can be used.

When the device is used, the heat preservation cylinder 2 and the end cover 3 are lifted upwards by force to be separated from the constant temperature base 1, then chromatographic columns are placed into the positioning mechanism 4 one by one to be clamped, then the heat preservation cylinder 2 and the end cover 3 are covered again, the constant temperature base 1 is connected with a power supply to be started, the small fan 15 and the constant temperature heater 19 work, the small fan 15 blows air upwards, the air flow is dispersed outwards through the gauze 14 on the surface of the air cylinder 13 and blown out, then is sucked into the constant temperature base 1 again through the air inlet hole 16 and is sucked by the small fan 15 through the guiding of the isolation cover 17, the air flow is heated when passing through the annular heating wire 18, the temperature is detected in real time through the temperature sensor of the air cylinder 13, and then the constant temperature heater 19 is controlled by the processor to maintain constant temperature.

When the chromatographic column needs to be taken out, the heat preservation cylinder 2 is rotated, the positioning protrusion 11 is referred, the heat preservation cylinder 2 is pushed to the angle of the sliding sheet 6 above the positioning protrusion 11, then the sliding sheet 6 is pushed upwards through the sliding block 7, the fixing sheet 45 is pushed upwards by the pushing block 5, the sleeve 42, the clamping plate 43, the positioning groove 44, the fixing sheet 45, the bottom support 47, the buffering cushion 46 and the chromatographic column on the inner side of the sleeve are integrally pushed upwards, meanwhile, the left side of the sealing cover 9 is pressed to be opened, the chromatographic column can be extended out from the magnetic suction nozzle 8, then the chromatographic column can be pulled out, after the extraction is finished, the sealing cover 9 is loosened, the sealing cover 9 automatically resets under gravity, meanwhile, the magnetic suction nozzle 8 is used for sucking, if transportation is needed, the pressing block 12 can be rotated to press the sealing cover 9, and the sealing cover 9 is prevented from being easily opened.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a VOC on-line monitoring system chromatogram constant temperature control case, includes constant temperature base (1), the top of constant temperature base (1) is rotated and is connected with a section of thick bamboo that keeps warm (2), and the top fixedly connected with end cover (3) of a section of thick bamboo that keeps warm (2), its characterized in that: a plurality of groups of positioning mechanisms (4) for placing chromatographic columns are uniformly arranged at the top of the constant-temperature base (1) and inside the heat-insulating cylinder (2), each positioning mechanism (4) comprises a prism (41) fixedly connected to the bottom of the heat-insulating cylinder (2), a sleeve (42) is slidably sleeved outside the prism (41), clamping plates (43) sleeved outside the prism (41) are fixedly connected to the upper end and the lower end of the sleeve (42), a positioning groove (44) matched with the chromatographic columns is formed in one side, away from the prism (41), of each clamping plate (43), and a fixing plate (45) is fixedly connected to one side, close to the heat-insulating cylinder (2), of each sleeve (42);

the side of a heat preservation section of thick bamboo (2) and the below that is located stationary blade (45) run through sliding connection and have and promote piece (5), and the side of a heat preservation section of thick bamboo (2) set up with the spout that promotes piece (5) looks adaptation, the outside fixedly connected with who promotes piece (5) covers slider (6) of spout, and the outside fixedly connected with slider (7) of slider (6), the top of end cover (3) just is located the position fixedly connected with magnetism of slider (6) top and absorbs material mouth (8), the top of end cover (3) just is located the top rotation that the magnetism absorbs material mouth (8) and is connected with can cover the sealed lid (9) that the magnetism absorbs material mouth (8) top.

2. The VOC on-line monitoring system chromatogram constant temperature control box of claim 1, characterized in that: sealed lid (9) are iron, can absorb material mouth (8) mutual adsorption with the magnetism, and the bottom fixedly connected with of sealed lid (9) covers seal membrane (10) at magnetism absorption material mouth (8) top, the top hoop of prismatic (41) side is provided with a plurality of location archs (11) that correspond with positioning mechanism (4), and the eccentric rotation in center at end cover (3) top is connected with briquetting (12), and one side crimping of briquetting (12) can be at sealed lid (9) top.

3. The VOC on-line monitoring system chromatogram constant temperature control box of claim 1, characterized in that: the bottom of downside cardboard (43) fixedly connected with collet (47), and the bottom fixedly connected with blotter (46) of collet (47) internal surface.

4. The VOC on-line monitoring system chromatogram constant temperature control box of claim 1, characterized in that: the fan is characterized in that a wind barrel (13) is fixedly connected to the center of the top of the constant-temperature base (1), a gauze (14) is fixedly connected to the side face of the wind barrel (13), and a small fan (15) is fixedly connected to the center of the inner cavity of the constant-temperature base (1), wherein the top of the center of the inner cavity of the constant-temperature base is communicated with the inner cavity of the wind barrel (13).

5. A VOC on-line monitoring system chromatogram constant temperature control case of claim 4 characterized in that: the utility model discloses a fan, including constant temperature base (1), constant temperature base (1) and small-size fan (15), the top of constant temperature base (1) just is located between a plurality of positioning mechanism (4) and has seted up inlet port (16), the inside of constant temperature base (1) just is located inlet port (16) and cage (17) in the small-size fan (15) outside, the inside fixedly connected with annular heater strip (18) of cage (17), and constant temperature base (1) inside left side fixedly connected with annular heater strip (18) electric connection's constant temperature heater (19).

6. A VOC on-line monitoring system chromatogram constant temperature control case of claim 5, characterized in that: the front of the constant temperature base (1) is fixedly connected with an electronic screen (20) and a key (21) respectively, and the small fan (15), the key (21) and the constant temperature heater (19) are all electrically connected with the electronic screen (20).

7. The VOC on-line monitoring system chromatogram constant temperature control box of claim 1, characterized in that: the top of the constant temperature base (1) and the inner side of the heat preservation cylinder (2) are provided with positioning rings (22), and the outer sides of the positioning rings (22) are fixedly connected with sealing rings (23) attached to the inner surface of the heat preservation cylinder (2).