CN210719908U

CN210719908U - Digestion tube fixing device

Info

Publication number: CN210719908U
Application number: CN201921281880.9U
Authority: CN
Inventors: 徐利; 郝桂珍; 刘亚姣; 徐强; 宋凤芝; 云晋; 范宇成; 赵建伟
Original assignee: Hebei University of Architecture
Current assignee: Hebei University of Architecture
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-06-09
Anticipated expiration: 2029-08-08

Abstract

The utility model provides a digestion tube fixing device, which belongs to the technical field of experimental instruments and comprises a support frame, wherein an inserting part with an upward opening is arranged in the support frame and is used for being inserted and matched with a tube body of a digestion tube; the pressing plate is arranged above the supporting frame and is used for being attached to the top surface of the sealing cover of the digestion tube and applying pressure towards the tube body of the digestion tube to the sealing cover; the insertion part is used for being in clearance fit with the pipe body, and the side part of the support frame is also provided with a channel for communicating the inner cavity of the insertion part with the outside of the support frame. The utility model provides a clear up a tub fixing device has set up the clamp plate above the support frame, has realized closely meeting of sealed lid and body, has avoided clearing up the risk that sealed lid and body take place to separate in the processing procedure.

Description

Digestion tube fixing device

Technical Field

The utility model belongs to the technical field of the laboratory glassware, more specifically says, relates to a clear up a tub fixing device.

Background

When analyzing the total nitrogen and total phosphorus indexes of surface water, sewage and wastewater, high-temperature and high-pressure digestion treatment is required. The high-temperature high-pressure digestion treatment needs to use a digestion tube, and the digestion tube comprises a tube body and a sealing cover which is detachably connected with the tube body and used for plugging the top opening of the tube body.

The specific operation process of the high-temperature high-pressure digestion treatment is as follows: firstly, numbering each sample; then fixing the digestion tube sealing cover and the tube body together by fixing devices such as medical adhesive tapes, rubber bands, gauze and the like, and placing the digestion tube sealing cover and the tube body in a big beaker; and finally, placing the large beaker in high-temperature sterilization equipment for high-temperature high-pressure heating digestion.

There are the following inconveniences in the above-described operation process: the pipe body of the digestion pipe is not firmly fixedly connected with the sealing cover, and particularly, under the high-temperature and high-pressure condition of high-temperature sterilization equipment, a sample in the digestion pipe is heated to generate steam to prop open the sealing cover; or because high temperature high pressure, the inside a large amount of vapor that generates of equipment for it emptys in the water bath to clear up the pipe, leads to the experiment failure, can cause even to clear up the sample in the pipe and spill in the equipment, causes danger.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a clear up a pipe fixing device aims at solving high temperature high pressure heating and clears up the sealed lid of clearing up the pipe in the operation process and easily be opened by steam top, clears up the technical problem that the pipe easily takes place to empty.

In order to achieve the above object, the utility model adopts the following technical scheme: there is provided a digestion tube fixing device comprising: the support frame is internally provided with an inserting part with an upward opening and used for being inserted and matched with the tube body of the digestion tube; and

the pressing plate is arranged above the supporting frame and used for being attached to the top surface of the sealing cover of the digestion pipe and applying pressure towards the sealing cover to the pipe body of the digestion pipe.

Further, the inserting part is used for being in clearance fit with the pipe body, and a channel for communicating the inner cavity of the inserting part with the outside of the supporting frame is further arranged on the side part of the supporting frame.

Further, the support frame includes:

a support plate for supporting the tube body; the top surface of the supporting plate is provided with at least one groove which is used for being matched with the bottom surface of the pipe body; and

the limiting plate is positioned above the supporting plate and is connected with the supporting plate through a first connecting piece; the limiting plate is provided with at least one through hole for the pipe body to pass through; the through holes are positioned right above the grooves and are in one-to-one correspondence, and one corresponding groove and one through hole form an inserting part;

the supporting plate, the limiting plate and the pressing plate are parallel to each other and arranged at intervals, and the channel is formed between the limiting plate and the supporting plate.

Further, the first connecting member includes:

the supporting shaft is respectively and vertically connected with the supporting plate and the limiting plate; and

the base is arranged at the bottom of the supporting shaft and used for supporting the supporting shaft.

Furthermore, the pressing plate is sleeved on the supporting shaft, and center holes for the supporting shaft to pass through are respectively formed in the centers of the supporting plate, the limiting plate and the pressing plate; the grooves and the through holes are respectively provided with a plurality of grooves and are arranged on the corresponding plate bodies along the concentric circumference of the central hole.

Further, the backup pad is established through the cover the epaxial first bearing of back with the back shaft rotates to be connected, the limiting plate is established through the cover the epaxial second bearing of back with the back shaft rotates to be connected.

Further, the outer ring of the first bearing and the outer ring of the second bearing are connected by a second connecting piece.

Furthermore, a fastening piece used for applying pressure towards the sealing cover to the pressing plate is further arranged above the pressing plate, and the fastening piece is sleeved on the supporting shaft and is in threaded connection with the supporting shaft.

Further, the upper portion of the support shaft is provided with an installation portion for installing a hanging rope.

Furthermore, the side walls of the supporting plate, the limiting plate and the pressing plate are respectively provided with a concave part which is matched with the bulge in the high-temperature sterilization equipment.

The utility model provides a clear up a tub fixing device's beneficial effect lies in: compared with the prior art, the utility model discloses clear up a fixed mode that tub fixing device has changed the body of clearing up the pipe and sealed lid, set up the support frame that is used for the fixed body of clearing up the pipe, realized clearing up a tub perpendicular to horizontal plane and place, effectively prevented to clear up in the processing procedure and cleared up the pipe and take place to empty. The embodiment of the utility model provides a clear up a fixed device still sets up the clamp plate above the support frame, has realized closely meeting of sealed lid and body, has avoided clearing up the risk that sealed lid and body take place to separate in the processing procedure.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a digestion tube fixing device according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a digestion tube fixing device according to another embodiment of the present invention;

FIG. 3 is a schematic view of a vertical cross-section of the digestion tube fixing device shown in FIG. 2;

FIG. 4 is a schematic top view of the digestion tube holding apparatus shown in FIG. 2;

FIG. 5 is a sectional view of the digestion tube of FIG. 2 taken along line A-A;

fig. 6 is a schematic structural view of the support plate in fig. 2.

In the figure: 100. a support frame; 110. a support plate; 120. a groove; 130. a limiting plate; 140. a through hole; 150. A first bearing; 160. a second bearing; 170. a second connecting member; 200. a digestion tube; 210. a pipe body; 220. A sealing cover; 300. pressing a plate; 400. a channel; 500. a first connecting member; 510. a support shaft; 520. a base; 530. an installation part; 600. a central bore; 700. a fastener; 800. a recessed portion; 900. a plug-in part.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and fig. 2, a digestion tube fixing device according to an embodiment of the present invention will now be described. The digestion tube fixing device comprises a support frame 100 and a pressure plate 300 arranged above the support frame 100. The support frame 100 is provided therein with an upward opening and a plug 900 for plug-in fitting with the tube body 210 of the digestion tube 200. The pressure plate 300 is used to engage with the top surface of the sealing cap 220 of the digestion tube 200 and apply pressure to the sealing cap 220 toward the tubular body 210 of the digestion tube 200.

When carrying out high temperature high pressure and digesting the processing, will wait to digest the sample and digest and place body 210 in, later cover sealed lid 220 to body 210 on, will digest pipe 200 again and put to support frame 100 in, place sealed lid 220 top with clamp plate 300 again for sealed lid 220 closely laminates with body 210 under the overdraft effect of clamp plate 300, will digest a tub fixing device at last and place and carry out high temperature high pressure heating in high temperature sterilization equipment and digest.

The embodiment of the utility model provides a clear up a pipe fixing device compares with prior art, has changed the fixed mode of clearing up body 210 and the sealed lid 220 of pipe 200, has set up the support frame 100 that is used for the fixed body 210 of clearing up pipe 200, has realized clearing up pipe 200 perpendicular to horizontal plane and has placed, has effectively prevented to clear up in the course of treatment and has cleared up pipe 200 and take place to empty. The embodiment of the utility model provides a clear up a pipe fixing device has still set up clamp plate 300 in support frame 100 tops, has realized closely meeting of sealed lid 220 and body 210, has avoided clearing up the risk that sealed lid 220 and body 210 take place to separate in the processing procedure.

Specifically, the pressing plate 300 is axially disposed perpendicular to the tube body 210, the supporting frame 100 may be a plate-shaped, block-shaped or hollow-out support, and the insertion portion 900 is a slot or a jack with an upward opening and inserted into the tube body 210, so long as the opening of the digestion tube 200 is disposed upward. When the pressing plate 300 is heavy, the fixing of the sealing cap 220 may be accomplished by directly placing the pressing plate 300 on the digestion tube 200. When the pressing plate 300 is light, the connection between the pressing plate 300 and the supporting frame 100 can be achieved by means of a connecting structure or a connecting member after the position of the pressing plate 300 is adjusted, so as to prevent the pressing plate 300 from sliding off the top of the sealing cover 220 during the digestion process. The connection structure may be a threaded connection, an insertion connection, an adhesion connection, etc., and the connection member may be a bolt, an insertion rod, etc., which may be determined according to the specific structures of the pressing plate 300 and the supporting frame 100.

To ensure that the setting of support frame 100 does not influence and clears up the rate of being heated of tub 200 after putting into high temperature sterilization equipment, as the utility model provides a clear up a concrete implementation of tub fixing device, please refer to fig. 1 and 2, grafting portion 900 is used for with body 210 clearance fit, the lateral part of support frame 100 still is provided with the passageway 400 with grafting portion 900 inner chamber and the outside intercommunication of support frame 100.

The arrangement of the channel 400 ensures that the digestion treatment process is completed, and the digestion tube 200 can be directly contacted with hot water in high-temperature sterilization equipment, so that the rapid digestion reaction is ensured, and the operation requirement of the digestion treatment is met.

As a specific embodiment of the digestion tube fixing device provided in the present invention, please refer to fig. 2 to 6, the supporting frame 100 includes a supporting plate 110 for supporting the tube body 210, and a limiting plate 130 located above the supporting plate 110 and connected to the supporting plate 110 through a first connecting member 500. The top surface of the supporting plate 110 is provided with at least one groove 120 for fitting the bottom surface of the tube body 210. The limiting plate 130 is provided with at least one through hole 140 for the tube 210 to pass through. The through holes 140 are located right above the grooves 120, and the two are in one-to-one correspondence, and one corresponding groove 120 and one corresponding through hole 140 form a plugging portion 900. The supporting plate 110, the limiting plate 130 and the pressing plate 300 are parallel to each other and arranged at intervals two by two, and a channel 400 is formed between the limiting plate 130 and the supporting plate 110.

When the digestion tube 200 is placed on the support frame 100, the digestion tube 200 is vertically placed from top to bottom, and then passes through the through hole 140 of the limiting plate 130 and then falls into the groove 120 of the support plate 110. Wherein, the relative position of dispelling the pipe 200 bottom and backup pad 110 (dispelling a tub fixing device promptly) has effectively been injectd to recess 120 on the backup pad 110, through-hole 140 on the limiting plate 130 has then effectively been injectd and has cleared up the relative position of upper portion and limiting plate 130 (dispelling a tub fixing device promptly) in the pipe 200, both cooperate and have realized dispelling pipe 200 and place to dispelling behind a tub fixing device, it can keep vertical state to clear up pipe 200, thereby guaranteed that clamp plate 300 and the great area of contact of sealed lid 220 on dispelling pipe 200, and then effectively reduced the risk that the storehouse takes place the slope in the use.

In addition, the support frame 100 adopts the support plate 110 and the limit plate 130 which are arranged in parallel, and the passage 400 enclosed by the support plate and the limit plate is large enough, so that most areas of the digestion tube 200 can be contacted with hot water in high-temperature sterilization equipment, and the reaction rate of digestion treatment is further improved. The arrangement of the connecting member realizes the fixing of the relative positions of the supporting plate 110 and the limiting plate 130, thereby ensuring that the size of the passage 400 does not change during the digestion process.

Specifically, through-hole 140 and sunken respectively with clear up tub 200 clearance fit for clear up tub 200 and place and clear up tub vertical state that can keep opening up after fixing device goes up and place, and then guaranteed that clamp plate 300 is effectual to the pushing down of the sealed lid 220 of clearing up tub 200.

As a specific embodiment of the digestion tube fixing device provided in the present invention, please refer to fig. 2 and 3, the first connecting member 500 includes a supporting shaft 510 vertically connected to the supporting plate 110 and the limiting plate 130, and a base 520 disposed at the bottom of the supporting shaft 510 and used for supporting the supporting shaft 510.

The setting of base 520 makes backup pad 110 can not direct and ground or workstation etc. contact, and then has reduced and has cleared up the probability that pipe 200 took place to vibrate and backup pad 110 bumps and warp on it when placing and clear up a pipe fixing device, has guaranteed to clear up a pipe fixing device overall structure's stability and its longer life.

Specifically, the center of the support plate 110, the center of the limit plate 130, and the center of the pressure plate 300 are respectively provided with center holes 600 through which the support shaft 510 passes, the center of each center hole 600 is aligned with the center of the base 520, and this vertical structure serves as a central structure to relatively stabilize the entire apparatus, and functions as a support. When the pipe fixing device is cleared up in the equipment, establish backup pad 110 and limiting plate 130 on back shaft 510 in proper order earlier, rethread connection structure or connecting piece with backup pad 110 and limiting plate 130 respectively with back shaft 510 fixed connection, guarantee the stability and the fastness of whole device. Wherein, connection structure can be screw thread structure, grafting structure, glue joint etc. and the connecting piece can be for the bolt, set up respectively and be used for cooperating two nuts etc. of centre gripping corresponding plate body at each board upper surface and lower surface.

The back shaft 510 in this embodiment can be the bad conductor of heat such as glass post, wooden post, plastics post, avoids digesting the pipe fixing device and takes place expend with heat and contract with cold and cause great extrusion to digesting the pipe 200 in the processing procedure, when the back shaft 510 is the glass post, can adopt high temperature resistant glass to make to guarantee its longer life and good stability. In addition, other parts of the present embodiment, such as the supporting plate 110, the limiting plate 130, the base 520, etc., can be made of poor thermal conductors, such as glass, wood, plastic, etc., to ensure structural stability and long service life. Wherein, base 520 and back shaft 510 can adopt fixed connection mode to be connected, also can adopt the detachable connection mode to connect, when base 520 and back shaft 510 adopt fixed connection mode, the whole transport of the device of being convenient for.

As a specific embodiment of the digestion tube fixing device of the present invention, please refer to fig. 2 to 6, in which a pressing plate 300 is sleeved on a supporting shaft 510, and the centers of the supporting plate 110, the limiting plate 130 and the pressing plate 300 are respectively provided with a central hole 600 for the supporting shaft 510 to pass through, because each experiment requires a plurality of digestion tubes 200 to simultaneously perform digestion treatment, in order to ensure the reaction rate of digestion treatment; the grooves 120 and the through holes 140 are respectively provided in plural and arranged on the corresponding plate body along a circumference concentric with the center hole 600.

It should be noted that the number of the grooves 120 on the supporting plate 110 is the same as that of the through holes 140 on the limiting plate 130, and the corresponding grooves 120 and through holes 140 form a plug 900 for placing a digestion tube 200. Whole device can set up to different specifications according to the required quantity that holds of experiment and clear up pipe 200, realizes holding different quantity and clears up the purpose of pipe 200 to the going on of convenient experiment. Through-hole 140 is used for holding and clears up pipe 200, clears up the external diameter of pipe 200 and is unanimous with through-hole 140's internal diameter, and recess 120 is used for supporting to clear up pipe 200, and recess 120 is closely laminated with the bottom of clearing up pipe 200, can enough hold to clear up pipe 200 and can realize certain supporting role to it from periphery and bottom again, has avoided clearing up pipe 200 and has taken place askewly or slope in the experimentation.

The support shaft 510 is penetrated by the center hole 600 of each plate, so that the center of gravity of the digestion tube fixing device is positioned at the center of the whole device, the phenomenon of dumping of the device in the using process is avoided, and the smooth proceeding of the digestion treatment experiment is ensured. The grooves 120 or the through holes 140 are circumferentially arranged on the corresponding plate bodies, so that the gravity center of the whole device is still positioned on the supporting shaft 510 after the digestion tube 200 is placed on the device, the phenomenon that the device is toppled over in the use process is avoided, and the smooth operation of the digestion treatment experiment is ensured.

For further improving the speed of placing a plurality of clear up pipes 200 on the support frame 100, as the utility model provides a clear up pipe fixing device's a specific implementation, please refer to fig. 3, the backup pad 110 rotates with the support shaft 510 through the first bearing 150 of cover-mounting on the support shaft 510 to be connected, and the limiting plate 130 rotates with the support shaft 510 through the second bearing 160 of cover-mounting on the support shaft 510 to be connected.

The arrangement of the first bearing 150 and the second bearing 160 realizes the rotary connection of the support plate 110 and the limiting plate 130 with the support shaft 510, so that when the digestion tubes 200 are placed, an operator can realize the placement of all the digestion tubes 200 at one position without operating around the support frame 100, thereby effectively improving the placement rate of the digestion tubes 200.

As a specific embodiment of the digestion tube fixing device provided in the present invention, please refer to fig. 3, the first bearing 150 and the second bearing 160 are connected by a second connecting member 170. In this embodiment, the inner rings of the first bearing 150 and the second bearing 160 are respectively fixedly connected with the support shaft 510, and the outer rings are connected by the second connecting member 170, so that the other bearing can synchronously rotate when an operator rotates one of the bearings, and the digestion tube 200 is placed on the digestion tube fixing device or taken down from the digestion tube fixing device to facilitate the digestion tube 200, and the digestion tube 200 is ensured to be always kept in a vertical state in the digestion tube fixing device. The fixing mode of each bearing and the supporting shaft 510 can adopt the modes of sleeving, bonding and the like, as long as the fixing of the relative position of the two can be realized, and the stability of the whole structure of the device can be ensured.

Specifically, in this embodiment, the second connecting member 170 may be at least two connecting pieces or connecting rods uniformly distributed along the circumferential direction of each bearing, or may be a cylindrical connecting member coaxially disposed with each bearing. The second connection member 170 may be made of a poor conductor of heat, such as glass, to ensure structural stability and a long service life thereof.

As a specific embodiment of the digestion tube fixing device provided in the present invention, please refer to fig. 2 to 4, a fastening member 700 for applying pressure towards the sealing cover 220 to the pressing plate 300 is further disposed above the pressing plate 300, and the fastening member 700 is sleeved on the supporting shaft 510 and is in threaded connection with the supporting shaft 510.

After the position of the pressing plate 300 is adjusted, the fastening member 700 is rotated to tightly fit the lower surface of the fastening member 700 to the pressing plate 300 and apply a pressure to the pressing plate 300 toward the digestion tube 200, so that the sealing cover 220 is tightly fitted to the tube body 210. The setting of fastener 700 plays certain fixed action to clamp plate 300, has guaranteed that clamp plate 300 is good to dispelling the sealed effect of pipe 200, has avoided dispelling when dispelling the pipe 200 and can back up sealed lid 220 and clamp plate 300 together under the high temperature high pressure condition to the smooth of experiment has been guaranteed.

Specifically, in this embodiment, the fastening member 700 may be a nut, a pressing plate screwed to the support shaft 510, or the like, wherein the nut may be an outer hexagon nut, which has operability, i.e., can be removed or fixed, and is convenient for manual operation and material drawing; other nuts having an inner diameter that matches the diameter of the support shaft 510 may also be used.

As a specific embodiment of the digestion tube fixing device provided in the present invention, referring to fig. 2 and 3, the upper portion of the supporting shaft 510 is provided with an installation portion 530 for installing a hanging rope. The mounting portion 530 may be a mounting hole penetrating the support shaft 510 in the thickness direction of the support shaft 510, or may be a hanging ring provided on the support shaft 510 for mounting a hanging rope.

During the use, the rope is hung in the installation on installation department 530, and the operating personnel of being convenient for is clearing up the processing procedure, and is comparatively convenient to put into or take out equipment such as high temperature sterilization equipment with whole device. And (4) taking the digestion tube fixing device out of the high-temperature sterilization equipment. Wherein, hang the bad conductor of rope adoption plastics rope, rope made of hemp, cotton rope, nylon rope heat, effectively avoided operating personnel to take outward and clear up taking place the scald when managing fixing device, improved the security of clearing up the processing operation.

Specifically, installation department 530 is located the central authorities on back shaft 510 upper portion for operating personnel clears up the pipe fixing device through hanging the rope to lifting up, and the focus of whole device is located same straight line with hanging the rope, and the device can keep vertical state, and the operating personnel of being convenient for controls clears up the balance of pipe fixing device.

When digestion treatment is carried out, corresponding high-temperature sterilization equipment can be adopted for carrying out experiments according to requirements. Wherein, high temperature sterilization equipment can adopt the high temperature sterilization pot or play other equipment of high temperature sterilization function, and some high temperature sterilization equipment inner walls are equipped with the arch, clear up putting into of managing fixing device in order to avoid these protruding influences, conduct the utility model provides a clear up a concrete implementation of managing fixing device, please refer to fig. 4 to fig. 6, be provided with the depressed part 800 that is used for with the protruding looks adaptation in the high temperature sterilization equipment on the lateral wall of backup pad 110, limiting plate 130 and clamp plate 300 respectively.

Wherein, the volume of depressed part 800 slightly is greater than the bellied volume in the high temperature sterilization pot can, and the rope is hung on the cooperation back shaft 510 again, and the operating personnel of being convenient for puts into high temperature sterilization equipment with whole device more easily or by taking out in the high temperature sterilization equipment, and whole pipe fixing device that clears up can carry out the adjustment design according to different experimental facilities. The size of the digestion tube fixing device is only slightly smaller than the inner cavity of the high-temperature sterilization equipment due to the arrangement of the concave part 800, so that the digestion tubes 200 contained in the digestion tube fixing device are enough in quantity.

Of course, when the digestion tube fixing apparatus is used to be placed to other high-temperature treatment apparatuses, the shape of the recess 800 may be changed as needed to be adapted to the corresponding high-temperature treatment apparatus, or the recess 800 may not be provided.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Clear up a tub fixing device, its characterized in that includes:

the support frame is internally provided with an inserting part with an upward opening and used for being inserted and matched with the tube body of the digestion tube; and

2. The digestion tube holding apparatus according to claim 1, wherein: the plug-in part is used for being in clearance fit with the pipe body, and a channel for communicating the inner cavity of the plug-in part with the outside of the support frame is further arranged on the side part of the support frame.

3. The digestion tube securing device according to claim 2, wherein the support frame comprises:

4. The digestion tube securing device according to claim 3, wherein the first coupling member comprises:

5. The digestion tube holding apparatus according to claim 4, wherein: the pressing plate is sleeved on the supporting shaft, and the centers of the supporting plate, the limiting plate and the pressing plate are respectively provided with a central hole for the supporting shaft to pass through; the grooves and the through holes are respectively provided with a plurality of grooves and are arranged on the corresponding plate bodies along the concentric circumference of the central hole.

6. The digestion tube holding apparatus according to claim 5, wherein: the supporting plate is sleeved with a first bearing on the supporting shaft and is connected with the supporting shaft in a rotating mode, and the limiting plate is sleeved with a second bearing on the supporting shaft and is connected with the supporting shaft in a rotating mode.

7. The digestion tube holding apparatus according to claim 6, wherein: and the outer ring of the first bearing and the outer ring of the second bearing are connected through a second connecting piece.

8. The digestion tube holding apparatus according to claim 5, wherein: the pressing plate is provided with a pressing cover, the pressing cover is arranged on the pressing plate, and the pressing cover is provided with a sealing cover.

9. The digestion tube holding apparatus according to any one of claims 4 to 8, wherein: the upper portion of back shaft is provided with the installation department that is used for installing the rope of hanging.

10. The digestion tube holding apparatus according to claim 9, wherein: the side walls of the supporting plate, the limiting plate and the pressing plate are respectively provided with a concave part which is matched with the bulge in the high-temperature sterilization equipment.