Sealing cover of hydrothermal reaction kettle and hydrothermal reaction kettle

Abstract

The hydrothermal reaction kettle sealing cover comprises an auxiliary gland, a kettle cover and a jacking piece, a containing groove communicated with a cover opening of the auxiliary gland is formed in the auxiliary gland, the kettle cover is arranged in the containing groove in a sliding mode in the axial direction of the auxiliary gland, and a through hole is formed in the cover top of the auxiliary gland. The jacking piece penetrates through the through hole and moves up and down in the axis direction of the auxiliary gland, a locking piece used for locking the position of the jacking piece is arranged on the auxiliary gland, the jacking piece is matched with the kettle cover in an abutting mode, the diameter of the kettle cover is larger than the inner diameter of an opening of a kettle body matched with the kettle cover for use, and the kettle cover is integrally arranged in a containing groove in the auxiliary gland. The operation process during the sealing of the hydrothermal reaction kettle is simplified, and the usability and the use efficiency of the hydrothermal reaction kettle are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical experimental devices, in particular to a sealing cover for a hydrothermal reaction kettle. Background Art

[0002] Hydrothermal reactor is an important equipment commonly used in chemical laboratories and industrial production. It can provide a high-pressure and high-temperature environment to promote chemical reactions. It is often used to carry out chemical reactions under high-temperature and high-pressure conditions. Its design and performance are crucial for research and industrial applications in many fields, such as chemical synthesis and materials science.

[0003] In chemical synthesis, hydrothermal reactors are usually used for the preparation of high-purity inorganic compounds, the synthesis of nanomaterials, and organic synthesis.

[0004] However, in order to ensure the sealing of the hydrothermal reactor during operation, the traditional hydrothermal reactor often requires the cooperation of multiple parts and structures to achieve the sealing of the hydrothermal reactor. This makes the operation of the hydrothermal reactor complicated and brings inconvenience to laboratory operators.

[0005] In order to solve this problem, the utility model provides a hydrothermal reaction kettle sealing cover which is easy to install. Utility Model Content

[0006] The utility model aims to provide a hydrothermal reactor sealing cover, which, in order to solve the problems existing in the prior art, integrates the reactor cover into the auxiliary gland, thus simplifying the operation steps of sealing the hydrothermal reactor.

[0007] To achieve the above purpose, the utility model provides the following solutions:

[0008] The utility model provides a hydrothermal reaction kettle sealing cover, comprising: an auxiliary pressure cover, a kettle cover and a top tightening piece, wherein the auxiliary pressure cover is provided with a receiving groove connected with a cover opening of the auxiliary pressure cover, the kettle cover is slidably arranged in the receiving groove along the axial direction of the auxiliary pressure cover, a through hole is provided on the cover top of the auxiliary pressure cover, the top tightening piece passes through the through hole and moves up and down along the axial direction of the auxiliary pressure cover, a locking piece for locking the position of the top tightening piece is provided on the auxiliary pressure cover, the top tightening piece is abutted and matched with the kettle cover, and the diameter of the kettle cover is larger than the inner diameter of the kettle body opening used in conjunction with it.

[0009] Preferably, the diameters of the containing groove and the kettle cover are both larger than the diameter of the cover opening, the cover top and the cover body of the auxiliary pressure cover are separately arranged, and the cover top is installed at one end of the containing groove away from the cover opening.

[0010] Preferably, the outer side wall of the kettle cover is provided with a guide column extending radially outwardly along the kettle cover, and the inner wall of the receiving groove is provided with a guide groove arranged axially along the receiving groove, and the guide groove matches the guide column.

[0011] Preferably, the diameter of the kettle cover is smaller than the diameter of the containing tank.

[0012] Preferably, three guide posts are provided, and the three guide posts are evenly distributed on the outer side wall of the kettle cover.

[0013] Preferably, the jacking member is a jacking bolt, and the locking member is a locking thread. The locking thread is provided on the inner side wall of the through hole, and the locking thread is matched with the jacking bolt.

[0014] Preferably, the outer wall of the cover body of the auxiliary pressure cover is provided with an anti-slip structure.

[0015] Furthermore, the utility model also provides a hydrothermal reactor using the above-mentioned hydrothermal reactor sealing cover, including a reactor body, the reactor body and the hydrothermal reactor sealing cover are threadedly matched, the outside of the reactor mouth end of the reactor body is provided with an external thread, and the inside of the auxiliary pressure cover is provided with an internal thread corresponding to the external thread.

[0016] Preferably, a polytetrafluoroethylene layer is sprayed on the inside of the kettle body and one end of the kettle cover close to the kettle body.

[0017] Preferably, the outer peripheral wall of the kettle body is provided with a clamping portion, and the clamping portion includes two mutually parallel planar structures.

[0018] Compared with the prior art, the utility model has achieved the following technical effects:

[0019] The hydrothermal reactor sealing cover provided by the utility model integrates the reactor cover in the receiving groove inside the auxiliary pressure cover. When in use, the auxiliary pressure cover is directly connected to the top of the reactor body, and the reactor cover can be tightened on the reactor mouth of the reactor body through the cooperation of the pressing piece and the locking piece to complete the sealing of the hydrothermal reactor, thereby simplifying the operation process when sealing the hydrothermal reactor and improving the usability and use efficiency of the hydrothermal reactor. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1This is a schematic diagram of the installation of the sealing cover of the hydrothermal reactor and the hydrothermal reactor of the utility model;

[0022] Figure 2 This is a schematic diagram of the installation of the guide column and guide groove of the utility model;

[0023] Figure 3 It is a top view schematic diagram of the top cover of the utility model;

[0024] Among them, 1. Auxiliary pressure cover; 2. Kettle cover; 3. Tightening member; 4. Receiving groove; 5. Cover top; 6. Through hole; 7. Guide column; 8. Guide groove; 9. Kettle body; 10. Clamping part. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] The utility model aims to provide a hydrothermal reactor sealing cover, so as to solve the problem of complicated hydrothermal reactor sealing operation process in the prior art.

[0027] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0028] like Figure 1-3 As shown, the sealing cover of the hydrothermal reactor provided by the embodiment of the utility model comprises: an auxiliary pressure cover 1, a reactor cover 2 and a top tightening member 3. The auxiliary pressure cover 1 is provided with a receiving groove 4 inside, and the reactor cover 2 is installed in the receiving groove 4. The reactor cover 2 can slide up and down in the receiving groove 4 along the axial direction of the auxiliary pressure cover 1. The receiving groove 4 is communicated with the cover opening of the auxiliary pressure cover 1 to ensure that when the auxiliary pressure cover 1 is covered on the reactor body 9 matched therewith, the reactor cover 2 can abut against the upper end of the opening of the reactor body 9; a through hole 6 is provided on the cover top 5 of the auxiliary pressure cover 1, and the top tightening member 3 is arranged in the through hole 6 and can pass through the through hole 6 and move up and down along the axial direction of the auxiliary pressure cover 1. A locking member for locking the position of the top tightening member 3 is also provided on the auxiliary pressure cover 1, and the top tightening member 3 is abutted and matched with the reactor cover 2. After the top tightening member 3 is locked by the locking member, the reactor cover 2 can be pressed against the opening of the reactor body 9. The diameter of the reactor cover 2 is larger than the inner diameter of the opening of the reactor body 9 used therewith, thereby realizing the sealing of the reactor body 9.

[0029] During operation, the auxiliary pressure cover 1 is connected to the kettle body 9. At this time, the tightening member 3 moves downward to provide a downward thrust for the kettle cover 2, so that the kettle cover 2 can be pressed against the opening of the kettle body 9. The tightening member 3 is then locked by the locking member to complete the sealing of the kettle body 9. The hydrothermal reactor sealing cover integrates the kettle cover 2 in the auxiliary pressure cover 1. During installation, the preliminary positioning of the kettle cover 2 can be achieved by connecting the auxiliary pressure cover 1 to the kettle body 9. The sealing of the hydrothermal reactor can be achieved by cooperating with the tightening member 3 and the locking member, which simplifies the operating process of sealing the hydrothermal reactor and improves the usability and efficiency of the hydrothermal reactor.

[0030] Those skilled in the art will appreciate that the auxiliary gland 1 and the cover body can be connected by known connection methods such as threaded connection and snap-fit ​​connection.

[0031] As a preferred embodiment, the cover top 5 and the cover body of the auxiliary pressure cover 1 are arranged separately, and the cover top 5 is installed at the end of the accommodating groove 4 away from the cover opening. The diameters of the accommodating groove 4 and the kettle cover 2 are both larger than the diameter of the cover opening. The cover top 5 and the auxiliary pressure cover 1 are arranged as a separate structure, so that the kettle cover 2 can be detachably installed. When the sealing of the kettle cover 2 decreases due to wear, the kettle cover 2 can be replaced by removing the top cover. The diameter of the kettle cover 2 is larger than the diameter of the cover opening, which ensures that the kettle cover 2 will not fall from the cover opening.

[0032] like Figure 1-2 As shown, the outer wall of the kettle cover 2 is provided with a guide column 7 extending radially outward along the kettle cover 2, and the inner wall of the receiving groove 4 is provided with a guide groove 8 arranged axially along the receiving groove 4, and the guide groove 8 matches the guide column 7. The cooperation of the guide column 7 and the guide groove 8 ensures the stability of the kettle cover 2 when it moves up and down in the receiving groove 4, ensures that the kettle cover 2 can be stably pressed against the opening of the kettle body 9, and further ensures the sealing effect of the sealing cover of the hydrothermal reactor.

[0033] Preferably, the diameter of the kettle cover 2 is smaller than the diameter of the receiving groove 4, which avoids the friction between the kettle cover 2 and the inner wall of the receiving groove 4 when the kettle cover 2 moves up and down, reduces the friction force during the downward movement of the kettle cover 2, and makes the kettle cover 2 more convenient to use and will not be unable to move up and down smoothly due to excessive friction.

[0034] Furthermore, three guide posts 7 are provided, and the three guide posts 7 are evenly distributed on the outer side wall of the kettle cover 2, so as to further improve the stability of the kettle cover 2 during the up and down movement.

[0035] More preferably, the tightening member 3 is a tightening bolt, and the locking member is a locking thread. The locking thread is arranged on the inner side wall of the through hole 6, and the locking thread is matched with the tightening bolt. When in use, with the cooperation of the locking thread, the tightening bolt can be manually rotated to make the tightening bolt move up and down. As the tightening bolt moves downward, the tightening bolt abuts against the kettle cover 2, which can provide a downward extrusion force for the kettle cover 2, thereby pressing the kettle cover 2 to the opening of the kettle body 9. After the tightening bolt presses the kettle cover 2, the manual intervention is removed, and the locking thread automatically locks the tightening bolt above the kettle cover 2 to achieve the sealing of the hydrothermal reactor. When the hydrothermal reactor needs to be opened, it only needs to rotate the tightening bolt in the opposite direction. This locking method effectively avoids the mutual friction between the kettle cover 2 and the open end of the kettle body 9, thereby extending the service life of the kettle cover 2.

[0036] As a preferred embodiment, the outer wall of the cover of the auxiliary pressure cover 1 is provided with an anti-slip structure. The setting of the anti-slip structure makes it easier to operate when the auxiliary pressure cover 1 is threadedly connected to the kettle body 9, further improving the convenience of using the sealing cover of the hydrothermal reactor.

[0037] Of course, the anti-skid structure can be a known structure capable of increasing friction, such as anti-skid lines and anti-skid protrusions.

[0038] The present application also provides a hydrothermal reactor using the above-mentioned hydrothermal reactor sealing cover, the hydrothermal reactor comprising a reactor body 9, the reactor body 9 and the hydrothermal reactor sealing cover are threadedly matched, the outside of the reactor mouth end of the reactor body 9 is provided with an external thread, and the inside of the auxiliary pressure cover 1 is provided with an internal thread corresponding to the external thread. Compared with the snap connection, the threaded connection method for connecting the reactor body 9 and the hydrothermal reactor sealing cover has higher stability.

[0039] Furthermore, a polytetrafluoroethylene layer is sprayed inside the kettle body 9 and on one end of the kettle cover 2 close to the kettle body 9 . The polytetrafluoroethylene layer has good acid and alkali resistance and stability and will not react with the chemical materials in the kettle body 9 , thereby ensuring the normal progress of the chemical reaction in the kettle body 9 .

[0040] More preferably, the outer peripheral wall of the kettle body 9 is provided with a clamping portion 10, and the clamping portion 10 includes at least two planar structures. In the present embodiment, two planar structures are provided, and the two planar structures are parallel to each other. The setting of the clamping portion 10 makes it easier for the kettle body 9 to be clamped by an external workbench, so as to facilitate the smooth opening or tightening operation of the auxiliary pressure cover 1.

[0041] In this embodiment, the two planar structures are produced by turning, and the two planar structures are arranged in parallel on both sides of the kettle body 9.

[0042] Of course, three or more planar structures can be provided, and the multiple planar structures are evenly distributed on the outer peripheral wall of the kettle body 9. At the same time, the planar structure can also be processed by welding, that is, a suitable number of straight steel plates are selected, and the multiple steel plates are evenly welded to the outer peripheral wall of the kettle body 9 according to actual needs to form a clamping portion 10.

[0043] Furthermore, the top cover can also be directly welded to the end of the receiving groove 4 away from the cover opening by welding.

[0044] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A sealing cover for a hydrothermal reactor, characterized in that: The auxiliary pressure cover (1) comprises an auxiliary pressure cover (1), a kettle cover (2) and a tensioning member (3); the auxiliary pressure cover (1) is provided with a receiving groove (4) connected to the cover opening of the auxiliary pressure cover (1); the kettle cover (2) is slidably arranged in the receiving groove (4) along the axial direction of the auxiliary pressure cover (1); the cover top (5) of the auxiliary pressure cover (1) is provided with a through hole (6); the tensioning member (3) passes through the through hole (6) and moves up and down along the axial direction of the auxiliary pressure cover (1); the auxiliary pressure cover (1) is provided with a locking member for locking the position of the tensioning member (3); the tensioning member (3) is in abutment with the kettle cover (2); the diameter of the kettle cover (2) is larger than the inner diameter of the opening of the kettle body (9) used in conjunction with it.

2. The sealing cover of the hydrothermal reactor according to claim 1, characterized in that: The diameters of the containing groove (4) and the kettle cover (2) are both larger than the diameter of the cover opening; the cover top (5) is separately arranged from the cover body of the auxiliary pressure cover (1); and the cover top (5) is installed at one end of the containing groove (4) away from the cover opening.

3. The sealing cover of the hydrothermal reactor according to claim 2, characterized in that: The outer wall of the kettle cover (2) is provided with a guide column (7) extending radially outwardly along the kettle cover (2), and the inner wall of the receiving groove (4) is provided with a guide groove (8) arranged axially along the receiving groove (4), and the guide groove (8) matches the guide column (7).

4. The sealing cover of the hydrothermal reactor according to claim 3, characterized in that: The diameter of the kettle cover (2) is smaller than the diameter of the containing tank (4).

5. The sealing cover of the hydrothermal reactor according to claim 3, characterized in that: Three guide columns (7) are provided, and the three guide columns (7) are evenly distributed on the outer side wall of the kettle cover (2).

6. The sealing cover of the hydrothermal reactor according to claim 1, characterized in that: The jacking member (3) is a jacking bolt, and the locking member is a locking thread. The locking thread is arranged on the inner side wall of the through hole (6), and the locking thread is matched with the jacking bolt.

7. The sealing cover of the hydrothermal reactor according to claim 1, characterized in that: The outer wall of the cover body of the auxiliary gland (1) is provided with an anti-slip structure.

8. A hydrothermal reactor using the hydrothermal reactor sealing cover according to claims 1 to 7, characterized in that: It comprises a kettle body (9), wherein the kettle body (9) is threadedly matched with the sealing cover of the hydrothermal reactor, an external thread is arranged on the outer side of the kettle mouth end of the kettle body (9), and an internal thread is arranged inside the auxiliary pressure cover (1) corresponding to the external thread.

9. The hydrothermal reactor according to claim 8, characterized in that: The interior of the kettle body (9) and one end of the kettle cover (2) close to the kettle body (9) are sprayed with a polytetrafluoroethylene layer.

10. The hydrothermal reactor according to claim 8, characterized in that: The outer peripheral wall of the kettle body (9) is provided with a clamping portion (10), and the clamping portion includes two mutually parallel planar structures.

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