Chromatographic column structure

Abstract

The invention discloses a chromatographic column structure, and relates to the technical field of chromatographic columns, the chromatographic column structure comprises a mounting rack and a chromatographic column body, a mounting device is mounted on the mounting rack, the mounting device comprises a fixed seat and a movable seat, a first mounting groove and a second mounting groove are formed in the fixed seat, and the first mounting groove and the second mounting groove are separated by a partition plate; a fan is mounted in the first mounting groove, an air inlet of the fan communicates with an air inlet pipe, the end, away from the fan, of the air inlet pipe penetrates through the top of the fixing base, an air outlet of the fan communicates with an air outlet pipe, a heating wire is mounted in the second mounting groove, and the end, away from the fan, of the air outlet pipe penetrates through the partition plate and faces the heating wire; an exhaust groove communicating with the second mounting groove is formed in the side, close to the fixed seat, of the movable seat, and the top of the exhaust groove communicates with an exhaust pipe; the opposite inner sides of the fixed seat and the movable seat are respectively provided with a through groove, and the two through grooves are encircled to form a channel for the chromatographic column body to pass through. The heating device is convenient for heating the chromatographic column body.

Description

Technical Field

[0001] The present application relates to the technical field of chromatographic columns, and in particular to a chromatographic column structure. Background Art

[0002] At present, chromatography technology is also called chromatographic technology. Its working principle is to fill a medium with certain properties (called stationary phase) into a cylindrical straight tube (called a chromatographic column or chromatography column), and then pass the sample to be purified and various buffer solvents as mobile phases through the stationary phase in sequence. According to the different properties of the stationary phase, the sample to be purified will be separated according to the size, charge, hydrophobicity and other physical and chemical properties, and flow out of the chromatographic column in different orders. By selecting and collecting solutions at different stages, the target substance with a smaller range of properties can be obtained, thereby achieving the purpose of purification. Among them, the chromatographic column and the medium filled therein play a major role in the separation and purification process.

[0003] The chromatographic column structure in the related art generally includes a mounting frame (also called a chromatographic column frame) and a chromatographic column body mounted on the mounting frame.

[0004] However, it is inconvenient to heat the chromatographic column body in the prior art, and when the weather is cold, the separation effect of the chromatographic column body will be affected. Summary of the invention

[0005] The present application provides a chromatographic column structure, which is convenient for heating the chromatographic column body, and adopts the following technical solution: The venting device is a kind of air filter device as claimed in claim 1, wherein the air filter is a kind of air filter device, and the air filter is a kind of air filter device. The air filter device is a kind of air filter device, and the air filter is a kind of air filter device. The air filter device is a kind of air filter device, and the air filter is a kind of air filter device. The air filter device is a kind of air filter device, and the air filter is a kind of air filter device. The air filter device is a kind of air filter device, and the air filter is a kind of air filter device.

[0006] By adopting the above scheme, when the chromatographic column body needs to be installed, the chromatographic column body is first placed in the through groove of the fixed seat, and then the movable seat is moved to fix the movable seat and the fixed seat, so that the chromatographic column body can be installed; when the chromatographic column body needs to be heated, the fan and the heating wire are first started, and then the chromatographic column body can be heated under the action of the blow pipe and the exhaust pipe. In summary, the provided installation device is convenient for heating and installing the chromatographic column body.

[0007] Preferably, two plug plates are installed on one side of the movable seat, one end of the plug plate is fixedly connected to a first threaded column, a first threaded groove is provided in the movable seat, and the first threaded column is threadedly connected to the first threaded groove; two slots are provided on one side of the fixed seat, and the two plug plates are respectively inserted into the two slots; a third installation slot is provided in the fixed seat, and a fixing mechanism for fixing the two plug plates is installed in the third installation slot.

[0008] When it is necessary to fix the fixed seat and the movable seat in connection, the two plug-in plates are first moved to be respectively plugged into the two slots by moving the movable seat, and then the two plug-in plates are fixed by the fixing mechanism, so that the fixed seat and the movable seat can be fixedly connected; when it is necessary to separate the fixed seat and the movable seat, the two plug-in plates are first loosened by the fixing mechanism, and then the movable seat can be moved out; in summary, by adopting the above scheme, it is convenient to detachably connect the fixed seat and the movable seat.

[0009] Preferably, the fixing mechanism includes a first guide rod fixedly connected to the inner wall of the third mounting groove, a double-threaded screw rotatably connected to the inner wall of the third mounting groove, and a handwheel installed at one end of the double-threaded screw; movable plates are respectively threadedly connected at both ends of the double-threaded screw, and both movable plates are slidably connected to the first guide rod; plug rods are fixedly connected to the sides of the two movable plates facing away from each other, and plug holes are provided on the two plug plates, and the two plug rods are respectively plugged into the two plug holes.

[0010] By adopting the above scheme, when it is necessary to fix the two plug plates, first drive the double-threaded screw to rotate through the handwheel, and the rotation of the double-threaded screw drives the two movable plates to move backwards, and the two movable plates move backwards to drive the two plug rods to move backwards, and the two plug rods move backwards to be plugged into the two sockets respectively, so that the two plug plates can be fixed; in summary, the set fixing mechanism is convenient for fixing the two plug plates.

[0011] Preferably, two groups of pre-fixing components are installed on the side wall of the third installation groove, and the two groups of pre-fixing components are used to pre-fix two plug-in boards respectively.

[0012] By adopting the above scheme, the pre-fixing component is provided, which facilitates the pre-fixing of the plug plate, thus making it easier for the operator to operate the double-threaded lead screw to rotate.

[0013] Preferably, each group of the pre-fixing components includes a first through hole provided on the side wall of the third mounting groove and a pre-fixing block slidably connected to the first through hole; a spherical surface is provided at one end of the pre-fixing block close to the plug plate, a reset block is fixedly connected to one side of the pre-fixing block, a sliding groove for the reset block to slide is provided on one side of the first through hole, a reset spring is fixedly connected to one side of the reset block, and an end of the reset spring away from the reset block is fixedly connected to an inner wall of one end of the sliding groove; a separation component for separating the two pre-fixing blocks from the two plug plates is installed in the third mounting groove.

[0014] By adopting the above scheme, when the plug-in board is plugged into the slot, the plug-in board drives the pre-fixing block to move in the direction away from the plug-in board under the action of the spherical surface, and the movement of the pre-fixing block in the direction away from the plug-in board drives the reset block to move, and the movement of the reset block presses the reset spring; when the plug-in board is plugged into the slot, the reset block drives the pre-fixing block to abut against the side wall of the plug-in board under the action of the reset spring, so that the plug-in board can be pre-fixed; in summary, the pre-fixing component provided is convenient for pre-fixing the plug-in board.

[0015] Preferably, the separation assembly includes a second through hole opened between the two first through holes and two rope bodies respectively arranged at both ends of the second through hole; one end of the two rope bodies is respectively fixed to one end of the two pre-fixed blocks away from the plug plate, and the other end of the two rope bodies is respectively fixed to the two movable plates.

[0016] By adopting the above scheme, when it is necessary to separate the movable seat from the fixed seat, the double-threaded screw is first driven to rotate by the handwheel, and the rotation of the double-threaded screw drives the two movable plates to move toward each other, and the movement of the two movable plates towards each other drives the two rope bodies to move, and the movement of the two rope bodies drives the two pre-fixed blocks to move away from the plug-in plate, so that it is convenient to move the plug-in plate out of the slot, thereby facilitating the separation of the movable seat from the fixed seat.

[0017] Preferably, the side wall of the chromatographic column body is threadedly connected to a support ring, the bottom of the support ring is fixedly connected to an insert block, the top of the fixing seat is provided with a groove, the insert block is inserted into the groove, a third through hole connected to the third mounting groove is provided on one side of the groove, and a connecting mechanism for connecting the insert block is installed in the third through hole.

[0018] When the stability of the chromatographic column body needs to be improved, when installing the chromatographic column body, the plug is inserted into the groove, and then the plug is fixed by a connecting mechanism, thereby improving the stability of the chromatographic column body; in summary, by adopting the above scheme, the stability of the chromatographic column body can be improved.

[0019] Preferably, the connecting mechanism includes a second guide rod fixedly connected to the inner wall of the third through hole, a sliding sleeve slidably connected to the second guide rod, and a connecting block fixedly connected to the side of the sliding sleeve close to the plug block; a connecting groove is provided on one side of the plug block, and an end of the connecting block away from the sliding sleeve is inserted into the connecting groove; a horizontal spring is fixedly connected to the side of the sliding sleeve away from the connecting block, and an end of the horizontal spring away from the sliding sleeve is fixedly connected to the inner wall of an end of the third through hole away from the groove; a driving block is fixedly connected to the side of the sliding sleeve away from the connecting block, and an inclined surface is provided on the side of the driving block close to an insertion rod, and the inclined surface matches the side wall of the insertion rod.

[0020] By adopting the above scheme, when the insertion rod is inserted into the insertion hole, the insertion rod drives the driving block to move in the direction close to the insertion block under the action of the inclined surface, and the driving block moves in the direction close to the insertion block, which drives the sliding sleeve to move in the direction close to the insertion block, and the sliding sleeve moves in the direction close to the insertion block, which drives the connecting block to move in the direction close to the insertion block, and the connecting block moves in the direction close to the insertion block to be plugged into the connecting groove, thereby fixing the insertion block; in summary, the provided connecting mechanism is convenient for fixing the insertion block.

[0021] Preferably, the top of the air inlet pipe is threadedly connected to a threaded pipe, the top of the threaded pipe is fixedly connected to a filter plate, and one end of the exhaust pipe away from the exhaust groove is connected to a soot blowing pipe, and the soot blowing pipe is arranged toward the filter plate.

[0022] By adopting the above scheme, the filter plate can reduce the dust from entering the second installation groove; the threaded pipe is convenient for connecting the filter plate with the air inlet pipe; and the blowing pipe is convenient for cleaning the filter plate.

[0023] Preferably, a second thread groove is formed at the top of the sliding sleeve, a second thread column is threadedly connected in the second thread groove, a cleaning handle is fixedly connected to the top of the second thread column, a cleaning brush is fixedly connected to the bottom of the cleaning handle, and the cleaning brush slides on the top of the filter plate.

[0024] By adopting the above solution, the movement of the sliding sleeve can drive the movement of the cleaning handle, and the movement of the cleaning handle can drive the cleaning brush to move, thereby facilitating further cleaning of the filter plate.

[0025] In summary, this application has the following beneficial effects: 1. When the chromatographic column body needs to be installed, the chromatographic column body is first placed in the through groove of the fixed seat, and then the movable seat is moved to fix the movable seat with the fixed seat, so that the chromatographic column body can be installed; when the chromatographic column body needs to be heated, the fan and the heating wire are first started, and then the chromatographic column body can be heated under the action of the blow pipe and the exhaust pipe. In summary, the installation device is provided to facilitate the heating and installation of the chromatographic column body; 2. When the fixed seat and the movable seat need to be fixedly connected, the two plug-ins are first inserted into the two slots respectively by moving the movable seat, and then the two plug-ins are fixed by the fixing mechanism, so that the fixed seat and the movable seat can be fixedly connected; when the fixed seat and the movable seat need to be separated, the two plug-ins are first loosened by the fixing mechanism, and then the movable seat is moved out; in summary, by adopting the above scheme, the fixed seat and the movable seat can be detachably connected; 3. When the insertion rod is inserted into the socket, the insertion rod drives the driving block to move toward the insertion block under the action of the inclined surface. The driving block moves toward the insertion block and drives the connecting block to move toward the insertion block. The connecting block moves toward the insertion block and can be plugged into the connecting groove, thereby fixing the insertion block. In summary, the provided connecting mechanism facilitates the fixing of the insertion block. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application.

[0027] Figure 2 This is a structural schematic diagram highlighting the installation device in the embodiment of the present application.

[0028] Figure 3 This is a structural schematic diagram highlighting the fixing mechanism in the embodiment of the present application.

[0029] Figure 4 This is a structural schematic diagram highlighting the pre-fixing component and the separation component in the embodiment of the present application.

[0030] Figure 5 It is a structural schematic diagram highlighting the connection mechanism in the embodiment of the present application.

[0031] Description of the reference numerals: 1, mounting frame; 2, chromatographic column body; 21, support ring; 22, plug block; 3, mounting device; 31, fixing seat; 311, first mounting groove; 312, second mounting groove; 313, slot; 314, third mounting groove; 315, groove; 316, third through hole; 32, movable seat; 321, exhaust groove; 322, plug plate; 323, first threaded column; 324, first threaded groove; 33, partition; 34, fan; 35, air inlet pipe; 36, air outlet pipe; 37, electric heating wire; 38, exhaust pipe; 381, soot blowing pipe; 39, through groove; 4, fixing mechanism; 41, first guide Rod; 42, double-threaded screw; 43, handwheel; 44, moving plate; 45, plug rod; 46, socket; 5, pre-fixing assembly; 51, first through hole; 52, pre-fixing block; 521, spherical surface; 53, reset block; 54, slide groove; 55, reset spring; 6, separation assembly; 61, second through hole; 62, rope body; 7, connecting mechanism; 71, second guide rod; 72, sliding sleeve; 721, second threaded groove; 722, second threaded column; 73, connecting block; 74, connecting groove; 75, horizontal spring; 76, driving block; 761, inclined plane; 8, threaded tube; 81, filter plate; 9, cleaning handle; 91, cleaning brush. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1-5 This application is described in further detail.

[0033] The same parts are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper", "lower", "bottom" and "top" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0034] The present application discloses a chromatographic column structure, such as Figure 1 and Figure 2 As shown, it comprises a mounting frame 1 and a chromatography column body 2, and a mounting device 3 is mounted on the mounting frame 1.

[0035] like Figure 2 and Figure 3As shown, the mounting device 3 includes a fixed seat 31 fixed to the mounting frame 1 and a movable seat 32 detachably connected to the fixed seat 31, a first mounting groove 311 and a second mounting groove 312 are provided in the fixed seat 31, the first mounting groove 311 and the second mounting groove 312 are separated by a partition 33, a fan 34 is installed in the first mounting groove 311, and an air inlet of the fan 34 is connected to an air inlet pipe 35, an end of the air inlet pipe 35 away from the fan 34 passes through the top of the fixed seat 31, and the air outlet of the fan 34 The second mounting groove 312 is connected to an air outlet pipe 36, a heating wire 37 is installed in the second mounting groove 312, and the end of the air outlet pipe 36 away from the fan 34 passes through the partition 33 and is arranged toward the heating wire 37; the movable seat 32 is provided with an exhaust groove 321 connected to the second mounting groove 312 on one side close to the fixed seat 31, and the top of the exhaust groove 321 is connected to the exhaust pipe 38; the fixed seat 31 and the movable seat 32 are respectively provided with through grooves 39 on the opposite inner sides, and the two through grooves 39 are enclosed to form a channel for the chromatographic column body 2 to pass through. When the chromatographic column body 2 needs to be installed, the chromatographic column body 2 is first placed in the through groove 39 of the fixed seat 31, and then the movable seat 32 is moved to fix the movable seat 32 with the fixed seat 31, so that the chromatographic column body 2 can be installed; when the chromatographic column body 2 needs to be heated, the fan 34 and the heating wire 37 are first started, and then the chromatographic column body 2 can be heated under the action of the blow pipe and the exhaust pipe 38. In summary, the provided installation device 3 is convenient for heating and installing the chromatographic column body 2.

[0036] like Figure 2 and Figure 3 As shown, two plug plates 322 are horizontally installed on one side of the movable seat 32, one end of the plug plate 322 is fixedly connected to a first threaded column 323, a first threaded groove 324 is horizontally opened in the movable seat 32, and the first threaded column 323 is threadedly connected to the first threaded groove 324; two slots 313 are horizontally opened on one side of the fixed seat 31, and the two plug plates 322 are respectively inserted into the two slots 313; a third installation groove 314 is opened in the fixed seat 31, and a fixing mechanism 4 for fixing the two plug plates 322 is installed in the third installation groove 314. When it is necessary to fix the fixed seat 31 and the movable seat 32 in connection, the two plug plates 322 are first moved to be respectively inserted into the two slots 313 by moving the movable seat 32, and then the two plug plates 322 are fixed by the fixing mechanism 4, so that the fixed seat 31 and the movable seat 32 can be fixedly connected; when it is necessary to separate the fixed seat 31 and the movable seat 32, the two plug plates 322 are first loosened by the fixing mechanism 4, and then the movable seat 32 is moved out; in summary, by adopting the above scheme, it is convenient to detachably connect the fixed seat 31 and the movable seat 32.

[0037] like Figure 2 and Figure 3As shown, the fixing mechanism 4 includes a first guide rod 41 vertically fixed to the inner wall of the third mounting groove 314, a double-threaded screw 42 vertically rotatably connected to the inner wall of the third mounting groove 314 through a bearing, and a handwheel 43 installed at one end of the double-threaded screw 42; both ends of the double-threaded screw 42 are respectively threadedly connected with movable plates 44, the first guide rod 41 is arranged through two movable plates 44, and the two movable plates 44 are both vertically slidably connected to the first guide rod 41; the two movable plates 44 are vertically fixed with plug rods 45 on their mutually away sides, and the two plug plates 322 are provided with plug holes 46, and the two plug rods 45 are respectively plugged into the two plug holes 46. When it is necessary to fix the two plug plates 322, first drive the double-threaded screw 42 to rotate through the hand wheel 43, and the double-threaded screw 42 rotates to drive the two movable plates 44 to move away from each other, and the two movable plates 44 move away from each other to drive the two plug rods 45 to move away from each other. The two plug rods 45 move away from each other and can be respectively plugged into the two sockets 46, so that the two plug plates 322 can be fixed. In summary, the set fixing mechanism 4 is convenient for fixing the two plug plates 322.

[0038] like Figure 3 and Figure 4 As shown, two sets of pre-fixing components 5 are installed on the side wall of the third installation groove 314. The two sets of pre-fixing components 5 are symmetrically arranged, and the two sets of pre-fixing components 5 are respectively used to pre-fix the two plug plates 322. The pre-fixing components 5 are arranged to facilitate the pre-fixing of the plug plates 322, so that it is convenient for the operator to operate the double-threaded lead screw 42 to rotate.

[0039] like Figure 3 and Figure 4 As shown, each group of pre-fixing components 5 includes a first through hole 51 opened on the side wall of the third mounting groove 314 and a pre-fixing block 52 vertically slidably connected to the first through hole 51; a spherical surface 521 is provided at one end of the pre-fixing block 52 close to the plug plate 322, a reset block 53 is fixedly connected to one side of the pre-fixing block 52, a slide groove 54 for the reset block 53 to slide vertically is opened on one side of the first through hole 51, a reset spring 55 is vertically fixedly connected to one side of the reset block 53, and one end of the reset spring 55 away from the reset block 53 is fixedly connected to the inner wall of one end of the slide groove 54; a separation component 6 for separating the two pre-fixing blocks 52 from the two plug plates 322 is installed in the third mounting groove 314. When the plug board 322 is inserted into the slot 313, the plug board 322 drives the pre-fixing block 52 to move away from the plug board 322 under the action of the spherical surface 521. The movement of the pre-fixing block 52 away from the plug board 322 drives the reset block 53 to move, and the reset block 53 moves to press the reset spring 55; when the plug board 322 is inserted into the slot 313, the reset block 53 drives the pre-fixing block 52 to abut against the side wall of the plug board 322 under the action of the reset spring 55, so that the plug board 322 can be pre-fixed; in summary, the pre-fixing component 5 is provided to facilitate the pre-fixing of the plug board 322.

[0040] like Figure 3 and Figure 4 As shown, the separation assembly 6 includes a second through hole 61 vertically opened between the two first through holes 51 and two rope bodies 62 respectively arranged at both ends of the second through hole 61; one end of the two rope bodies 62 is respectively fixed to one end of the two pre-fixed blocks 52 away from the plug plate 322, and the other end of the two rope bodies 62 is respectively fixed to the two movable plates 44. When the movable seat 32 needs to be separated from the fixed seat 31, the double-threaded screw 42 is first driven to rotate by the hand wheel 43, and the double-threaded screw 42 rotates to drive the two movable plates 44 to move toward each other, and the two movable plates 44 move toward each other to drive the two rope bodies 62 to move, and the two rope bodies 62 move to drive the two pre-fixed blocks 52 to move in the direction away from the plug plate 322, so that the plug plate 322 can be removed from the slot 313, thereby facilitating the separation of the movable seat 32 from the fixed seat 31.

[0041] like Figure 2 , Figure 3 and Figure 5 As shown, the side wall of the chromatographic column body 2 is threadedly connected with a support ring 21, the bottom of the support ring 21 is fixedly connected with an insert block 22, the top of the fixing seat 31 is provided with a groove 315, the insert block 22 is inserted into the groove 315, one side of the groove 315 is provided with a third through hole 316 connected to the third mounting groove 314, and a connecting mechanism 7 for connecting the insert block 22 is installed in the third through hole 316. When it is necessary to improve the stability of the chromatographic column body 2, when installing the chromatographic column body 2, the insert block 22 is inserted into the groove 315, and then the insert block 22 is fixed by the connecting mechanism 7, so that the stability of the chromatographic column body 2 can be improved; in summary, by adopting the above scheme, the stability of the chromatographic column body 2 can be improved.

[0042] like Figure 3 and Figure 5As shown, the connecting mechanism 7 includes a second guide rod 71 horizontally fixed to the inner wall of the third through hole 316, a sliding sleeve 72 slidingly connected to the second guide rod 71 along the horizontal direction, and a connecting block 73 fixed to the sliding sleeve 72 near the side of the plug block 22; a connecting groove 74 is provided on one side of the plug block 22, and the end of the connecting block 73 away from the sliding sleeve 72 is inserted into the connecting groove 74; a horizontal spring 75 is horizontally fixed to the side of the sliding sleeve 72 away from the connecting block 73, and the end of the horizontal spring 75 away from the sliding sleeve 72 is fixed to the inner wall of the end of the third through hole 316 away from the groove 315; a driving block 76 is fixed to the side of the sliding sleeve 72 away from the connecting block 73, and a slope 761 is provided on the side of the driving block 76 close to an insertion rod 45, and the slope 761 matches the side wall of the insertion rod 45. When the insertion rod 45 is inserted into the socket 46, the insertion rod 45 drives the driving block 76 to move towards the direction close to the insertion block 22 under the action of the inclined surface 761. The driving block 76 moves towards the direction close to the insertion block 22, driving the sliding sleeve 72 to move towards the direction close to the insertion block 22. The sliding sleeve 72 moves towards the direction close to the insertion block 22 and drives the connecting block 73 to move towards the direction close to the insertion block 22. The connecting block 73 moves towards the direction close to the insertion block 22 and can be plugged into the connecting groove 74, so that the insertion block 22 can be fixed. In summary, the provided connecting mechanism 7 is convenient for fixing the insertion block 22.

[0043] like Figure 3 and Figure 5 As shown, the top of the air inlet pipe 35 is vertically threadedly connected with a threaded pipe 8, the top of the threaded pipe 8 is horizontally fixed with a filter plate 81, and the end of the exhaust pipe 38 away from the exhaust groove 321 is closed and connected with a soot blowing pipe 381, and the soot blowing pipe 381 is arranged toward the filter plate 81. The filter plate 81 can reduce the dust from entering the second installation groove 312; the threaded pipe 8 is convenient for connecting the filter plate 81 with the air inlet pipe 35; the blowing pipe is convenient for cleaning the filter plate 81.

[0044] like Figure 3 and Figure 5 As shown, a second thread groove 721 is vertically provided on the top of the sliding sleeve 72, a second thread column 722 is threadedly connected to the second thread groove 721, a cleaning handle 9 is fixedly connected to the top of the second thread column 722, a cleaning brush 91 is fixedly connected to the bottom of the cleaning handle 9, and the cleaning brush 91 slides on the top of the filter plate 81. The movement of the sliding sleeve 72 can drive the movement of the cleaning handle 9, and the movement of the cleaning handle 9 can drive the movement of the cleaning brush 91, so as to facilitate further cleaning of the filter plate 81.

[0045] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A chromatographic column structure, comprising a mounting frame (1) and a chromatographic column body (2), characterized in that: The mounting frame (1) is provided with a mounting device (3), the mounting device (3) comprising a fixed seat (31) fixedly connected to the mounting frame (1) and a movable seat (32) detachably connected to the fixed seat (31), a first mounting groove (311) and a second mounting groove (312) are provided in the fixed seat (31), the first mounting groove (311) and the second mounting groove (312) are separated by a partition (33), a fan (34) is installed in the first mounting groove (311), an air inlet of the fan (34) is connected to an air inlet pipe (35), an end of the air inlet pipe (35) away from the fan (34) passes through the top of the fixed seat (31), and the fan (34) is connected to the air inlet pipe (35). The air outlet of the fan (34) is connected to an air outlet pipe (36), and an electric heating wire (37) is installed in the second installation groove (312). The end of the air outlet pipe (36) away from the fan (34) passes through the partition (33) and is arranged toward the electric heating wire (37); an exhaust groove (321) connected to the second installation groove (312) is opened on the side of the movable seat (32) close to the fixed seat (31), and the top of the exhaust groove (321) is connected to the exhaust pipe (38); through grooves (39) are respectively opened on the opposite inner sides of the fixed seat (31) and the movable seat (32), and the two through grooves (39) are combined to form a channel for the chromatographic column body (2) to pass through.

2. A chromatographic column structure according to claim 1, characterized in that: Two plug-in plates (322) are installed on one side of the movable seat (32), one end of the plug-in plate (322) is fixedly connected to a first threaded column (323), a first threaded groove (324) is provided in the movable seat (32), and the first threaded column (323) is threadedly connected to the first threaded groove (324); two slots (313) are provided on one side of the fixed seat (31), and the two plug-in plates (322) are respectively plugged into the two slots (313); a third installation groove (314) is provided in the fixed seat (31), and a fixing mechanism (4) for fixing the two plug-in plates (322) is installed in the third installation groove (314).

3. A chromatographic column structure according to claim 2, characterized in that: The fixing mechanism (4) comprises a first guide rod (41) fixedly connected to the inner wall of the third mounting groove (314), a double-threaded lead screw (42) rotatably connected to the inner wall of the third mounting groove (314), and a hand wheel (43) installed at one end of the double-threaded lead screw (42); the two ends of the double-threaded lead screw (42) are respectively threadedly connected to movable plates (44), and the two movable plates (44) are both slidably connected to the first guide rod (41); the two movable plates (44) are fixedly connected to the mutually away sides with plug rods (45), and the two plug plates (322) are each provided with a plug hole (46), and the two plug rods (45) are respectively plugged into the two plug holes (46).

4. A chromatographic column structure according to claim 3, characterized in that: Two groups of pre-fixing components (5) are installed on the side wall of the third installation groove (314), and the two groups of pre-fixing components (5) are respectively used to pre-fix the two plug boards (322).

5. A chromatographic column structure according to claim 4, characterized in that: Each group of the pre-fixing components (5) comprises a first through hole (51) provided on the side wall of the third installation groove (314) and a pre-fixing block (52) slidably connected to the first through hole (51); a spherical surface (521) is provided at one end of the pre-fixing block (52) close to the plug plate (322); a reset block (53) is fixedly connected to one side of the pre-fixing block (52); a sliding groove (54) for the reset block (53) to slide is provided on one side of the first through hole (51); a reset spring (55) is fixedly connected to one side of the reset block (53); an end of the reset spring (55) away from the reset block (53) is fixedly connected to an inner wall of one end of the sliding groove (54); a separation component (6) for separating the two pre-fixing blocks (52) from the two plug plates (322) is installed in the third installation groove (314).

6. A chromatographic column structure according to claim 5, characterized in that: The separation assembly (6) comprises a second through hole (61) opened between the two first through holes (51) and two rope bodies (62) respectively arranged at both ends of the second through hole (61); one end of the two rope bodies (62) is respectively fixed to one end of the two pre-fixed blocks (52) away from the plug plate (322), and the other end of the two rope bodies (62) is respectively fixed to the two movable plates (44).

7. A chromatographic column structure according to claim 3, characterized in that: The side wall of the chromatographic column body (2) is threadedly connected to a support ring (21), the bottom of the support ring (21) is fixedly connected to an insert block (22), the top of the fixing seat (31) is provided with a slot (313), the insert block (22) is inserted into the slot (313), one side of the slot (313) is provided with a third through hole (316) connected to a third mounting groove (314), and a connecting mechanism (7) for connecting the insert block (22) is installed in the third through hole (316).

8. A chromatographic column structure according to claim 7, characterized in that: The connecting mechanism (7) comprises a second guide rod (71) fixedly connected to the inner wall of the third through hole (316), a sliding sleeve (72) slidably connected to the second guide rod (71), and a connecting block (73) fixedly connected to the sliding sleeve (72) on a side close to the plug block (22); a connecting groove (74) is provided on one side of the plug block (22); an end of the connecting block (73) away from the sliding sleeve (72) is plugged into the connecting groove (74); the sliding sleeve (72) away from the connecting block (73) 3) is fixedly connected to one side of a horizontal spring (75), and one end of the horizontal spring (75) away from the sliding sleeve (72) is fixedly connected to the inner wall of one end of the third through hole (316) away from the groove (315); the side of the sliding sleeve (72) away from the connecting block (73) is fixedly connected to a driving block (76), and the side of the driving block (76) close to an insertion rod (45) is provided with an inclined surface (761), and the inclined surface (761) matches the side wall of the insertion rod (45).

9. A chromatographic column structure according to claim 8, characterized in that: The top of the air inlet pipe (35) is threadedly connected to a threaded pipe (8), the top of the threaded pipe (8) is fixedly connected to a filter plate (81), and one end of the exhaust pipe (38) away from the exhaust groove (321) is connected to a soot blowing pipe (381), and the soot blowing pipe (381) is arranged toward the filter plate (81).

10. A chromatographic column structure according to claim 9, characterized in that: A second thread groove (721) is provided at the top of the sliding sleeve (72), a second thread column (722) is internally threadedly connected to the second thread groove (721), a cleaning handle (9) is fixedly connected to the top of the second thread column (722), a cleaning brush (91) is fixedly connected to the bottom of the cleaning handle (9), and the cleaning brush (91) slides on the top of the filter plate (81).

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