CN218094262U - Upward-expanding valve for reaction kettle - Google Patents
Upward-expanding valve for reaction kettle Download PDFInfo
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- CN218094262U CN218094262U CN202222705849.1U CN202222705849U CN218094262U CN 218094262 U CN218094262 U CN 218094262U CN 202222705849 U CN202222705849 U CN 202222705849U CN 218094262 U CN218094262 U CN 218094262U
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Abstract
The utility model belongs to the technical field of reaction kettle accessories, in particular to an upward-expanding valve for a reaction kettle, which comprises a reaction kettle inner barrel and an upward-expanding valve, wherein the surface of the reaction kettle inner barrel is provided with a heat-insulating jacket, the heat-insulating jacket comprises a jacket layer and a heat-insulating layer, and the bottom surface of the reaction kettle inner barrel is provided with a discharge hole; the upper expansion valve is arranged at the discharge port and is wrapped by the heat insulation layer; through wrapping up the heat preservation to going up the exhibition valve, avoid designing the breach, lead to reation kettle inner tube bottom to influence reaction temperature's stability because of the breach, and then lead to the circumstances of reaction inadequately or producing the side reaction.
Description
Technical Field
The utility model belongs to the technical field of the reation kettle accessory, especially, relate to an upward exhibition valve for reation kettle.
Background
The reaction kettle is a comprehensive reaction vessel, the structural function and the configuration accessories of the reaction kettle are designed according to reaction conditions, and the reaction kettle which has the requirement on the reaction temperature is usually provided with a heat-insulating jacket on the surface, for example, a low-temperature reaction kettle usually introduces liquid nitrogen into a jacket layer of the heat-insulating jacket and carries out heat insulation through a heat-insulating layer of the heat-insulating jacket, so that the heat dissipation of the jacket layer to the outside is reduced; in order to avoid material accumulation at the bottom discharge port in the reaction kettle, the upper expansion valve is usually adopted to open and close the discharge port, and the traditional upper expansion valve adopts a flange structure to be installed and connected with the discharge port at the bottom end of the reaction kettle, so that a gap exists at the bottom end (namely the upper expansion valve) of the reaction kettle in the heat-insulating jacket, as shown in fig. 1 and 2, the temperature of the bottom in the reaction kettle is easily influenced, and the condition that the bottom in the reaction kettle is insufficient in reaction or generates side reaction is caused.
For example, the heat preservation jackets of the reaction kettles disclosed in chinese patent application nos. (CN 201922159962.2), (CN 201620223805.7) and (CN 202121412644.3) all have notches at the discharge port at the bottom end of the reaction kettle, which easily causes the temperature at the bottom in the reaction kettle not to be easily controlled, and easily causes the conditions that the reaction at the bottom in the reaction kettle is insufficient or side reactions occur, and thus needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the technical problem who exists, provide an upward exhibition valve for reation kettle, reached and avoided influencing bottom temperature in the reation kettle because of the installation of upward exhibition valve, prevent the circumstances of reaction inadequately or producing the side reaction.
In view of this, the utility model provides an upward exhibition valve for reation kettle includes:
the surface of the inner reaction kettle barrel is provided with a heat-insulating jacket, the heat-insulating jacket comprises a jacket layer and a heat-insulating layer, and the bottom surface of the inner reaction kettle barrel is provided with a discharge hole;
and the upper expanding valve is arranged at the discharge port and is wrapped by the heat insulation layer.
In this technical scheme, through wrapping up the heat preservation to the last valve that opens up, avoid designing the breach, lead to reation kettle inner tube bottom to influence reaction temperature's stability because of the breach, and then lead to the circumstances of reaction inadequately or production side reaction.
In the above technical solution, further, the upward extending valve includes:
the valve seat is fixedly connected with the discharge port, and the upper surface of the valve seat is in smooth transition with the inner bottom wall of the inner cylinder of the reaction kettle;
the valve body is fixedly connected to the bottom end of the valve seat, a discharge pipe is arranged at the bottom end, and the upper side of the discharge pipe, which is positioned on the valve body, is wrapped by a heat insulation layer;
the valve rod is positioned in the valve body, and the bottom end of the valve rod is provided with a driving assembly for driving the valve rod to move up and down;
and the valve core is arranged at the top end of the valve rod.
In this technical scheme, through with disk seat and discharge gate fixed connection, and upper surface and bottom wall smooth transition in the reation kettle inner tube for the bottom does not have the dead angle in the cauldron, is difficult to long-pending material.
In the above technical solution, further:
the valve seat is fixedly connected with the discharge hole at the bottom of the inner cylinder of the reaction kettle by welding.
In this technical scheme, through welding between disk seat and the reation kettle inner tube, avoid adopting flange joint and the leakage that probably leads to.
In the above technical solution, further, the method further includes:
the mounting groove is formed in the upper surface of the valve seat;
the valve plate is detachably arranged in the mounting groove, and the upper surface of the valve plate is flush with the valve seat;
wherein, the valve plate is provided with a through hole matched with the valve core, and the valve plate and the valve core are sealed by adopting a point surface. In this technical scheme, through seting up the mounting groove at the disk seat upper surface to the valve plate can be dismantled with the disk seat and be connected, is convenient for to the installation and the change of valve plate, cooperates the welding of disk seat simultaneously, makes the installation and the dismantlement to the valve plate down from last, also down from last to the installation of the sealed vulnerable part of last exhibition valve, thereby when changing sealed vulnerable part, need not press from both sides the cover to the heat preservation and dismantle, avoids influencing the thermal insulation performance that the heat preservation pressed from both sides the cover because of installing again after dismantling.
In the above technical solution, further:
the valve plate is connected with the valve seat through bolts, and the bolts are countersunk.
In this technical scheme, through adopting the bolt to install, it is convenient to install, adopts the countersunk head formula simultaneously, guarantees the no dead angle of diapire in the reation kettle inner tube, prevents the emergence of long-pending material.
In the above technical solution, further, the method further includes:
the sealing groove is formed in the bottom wall of the mounting groove;
and the sealing gasket is arranged in the sealing groove, and the top surface of the sealing gasket is abutted against the bottom surface of the valve plate.
In this technical scheme, set up the seal groove through on the diapire at the mounting groove to set up seal gasket in the seal groove, guarantee the leakproofness between valve plate and the disk seat, prevent to go up to expand under the valve closure condition, the material leaks from between valve plate and the disk seat.
In the above technical solution, further, the method further includes:
the round hole is formed in the bottom surface of the heat insulation layer and is coaxial with the valve body;
the compensation piece is installed in the round hole, is used for connecting the heat preservation layer and the valve body, and is used for providing flexible allowance.
In this technical scheme, through set up the round hole with the valve body is coaxial with the axle center in the heat preservation bottom surface to the installation is used for connecting the compensation piece of heat preservation and valve body in the round hole, makes reation kettle (like low temperature reation kettle) when the ejection of compact, is located to provide flexible surplus under the heat preservation surface emergence shrinkage's of exhibition valve department the condition, prevents that the heat preservation from damaging, improves the life of heat preservation.
The utility model has the advantages that:
1. the valve body is wrapped by the heat-insulating jacket, so that the heat dissipation of the inner barrel of the reaction kettle at the upper expansion valve (the discharge port of the inner barrel of the reaction kettle) is greatly reduced, the stability of the reaction temperature is ensured, and the condition of insufficient reaction or side reaction is prevented.
2. The valve seat of the upward-extending valve and the reaction kettle are directly fixed by welding, the valve plate and the sealing quick-wear part are installed from top to bottom, a flange structure is not needed to be adopted on one hand, leakage is avoided, the heat-insulation jacket is not needed to be disassembled when the sealing quick-wear part is replaced on the other hand, the heat-insulation effect of the heat-insulation jacket is effectively guaranteed, and the heat-insulation performance is prevented from being influenced by re-installation after disassembly.
3. The inner bottom wall of the inner cylinder of the reaction kettle has no dead angle, and the material accumulation is not easy to generate.
4. The valve plate is from last down installation, and the case leans on gravity and the effort of valve rod to the case with the valve plate, forms dual compressing tightly sealed, has stopped to go up the possibility that the exhibition valve became invalid and has run the material, has improved sealed security greatly.
Drawings
FIG. 1 is a schematic diagram of a conventional structure;
FIG. 2 is an enlarged view at A in FIG. 1;
fig. 3 is a schematic structural diagram of the present invention;
fig. 4 is a cross-sectional view of the present invention;
fig. 5 is an enlarged view of fig. 4B according to the present invention;
the labels in the figure are: 1. a reaction kettle; 2. a heat-preserving jacket; 3. a discharge port; 4. an upward extending valve; 40. a valve seat; 41. a valve body; 42. a discharge pipe; 43. a valve stem; 44. a drive assembly; 45. a valve core; 5. mounting grooves; 6. a valve plate; 7. a through hole; 8. a sealing groove; 9. a sealing gasket; 10. a circular hole; 11. a compensating member.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.
Example 1:
the present embodiment provides a rising valve for a reaction vessel, comprising:
the reaction kettle comprises a reaction kettle inner cylinder 1, wherein a heat-insulating jacket 2 is arranged on the surface of the reaction kettle inner cylinder 1, the heat-insulating jacket 2 comprises a jacket layer and a heat-insulating layer, and a discharge hole 3 is formed in the bottom surface of the reaction kettle inner cylinder 1;
the upward-extending valve 4 is arranged at the discharge port 3 and is wrapped by the heat-insulating layer;
the reactor is preferably suitable for the inner cylinder 1 of the low-temperature reactor, namely the jacket layer is preferably filled with liquid nitrogen.
This embodiment can be seen from, through wrapping up heat preservation to last exhibition valve 4, avoids designing the breach, leads to the stability that 1 bottom of reation kettle inner tube influences reaction temperature because of the breach, and then leads to the circumstances of reaction inadequately or production side reaction.
Example 2:
the present embodiment provides a rising valve for a reaction kettle, which, in addition to the technical solution of the above embodiment, has the following technical features, and the rising valve 4 includes:
the valve seat 40 is fixedly connected with the discharge port 3, and the upper surface of the valve seat 40 is smoothly transited to the inner bottom wall of the reaction kettle inner cylinder 1;
the valve body 41 is fixedly connected to the bottom end of the valve seat 40, a discharge pipe 42 is arranged at the bottom end, and the upper side of the valve body 41, which is positioned on the discharge pipe 42, is wrapped by a heat insulation layer;
the valve rod 43, the valve rod 43 is positioned in the valve body 41, and the bottom end is provided with a driving assembly 44 for driving the valve rod 43 to move up and down;
the valve core 45, the valve core 45 is installed on the top end of the valve rod 43;
wherein, the welding is preferably adopted between the valve seat 40 and the valve body 41, and the driving component 44 for driving the valve rod 43 to move up and down is the prior mature technology, and the position is not required to be recited again.
According to the embodiment, the valve seat 40 is fixedly connected with the discharge hole 3, and the upper surface of the valve seat is in smooth transition with the inner bottom wall of the reaction kettle inner barrel 1, so that no dead angle is formed at the bottom in the kettle, and the material accumulation is not easy to occur.
Example 3:
the embodiment provides an upward-expanding valve for a reaction kettle, which comprises the following technical characteristics in addition to the technical scheme of the embodiment:
the valve seat 40 is welded with the discharge port 3 at the bottom of the inner cylinder 1 of the reaction kettle;
the valve seat 40 and the inner wall of the discharge port 3 are preferably provided with chamfers, and the chamfers are welded between the valve seat 40 and the inner wall of the discharge port 3 and then polished, so that the upper surface of the valve seat 40 and the bottom wall of the inner cylinder 1 of the reaction kettle are in smooth transition, meanwhile, the bottom surface of the inner cylinder 1 of the reaction kettle and the side surface of the valve seat 40 are welded, on one hand, the connection strength between the valve seat 40 and the inner cylinder 1 of the reaction kettle is improved, and on the other hand, the leakage which possibly occurs between the valve seat 40 and the inner wall of the discharge port 3 is avoided.
In the embodiment, the valve seat 40 and the inner barrel 1 of the reaction kettle are welded, so that the leakage caused by flange connection is avoided.
Example 4:
the embodiment provides an upward-opening valve for a reaction kettle, which, in addition to the technical solution of the above embodiment, has the following technical features, and further includes:
the mounting groove 5 is formed in the upper surface of the valve seat 40;
the valve plate 6 is detachably arranged in the mounting groove 5, and the upper surface of the valve plate 6 is flush with the valve seat 40;
wherein, the valve plate 6 is provided with a through hole 7 matched with the valve core 45, and the valve plate 6 and the valve core 45 are sealed by adopting a point surface.
This embodiment can be seen from, set up mounting groove 5 through at disk seat 40 upper surface, and valve plate 6 can dismantle with disk seat 40 and be connected, be convenient for to the installation and the change of valve plate 6, cooperate the welding of disk seat 40 simultaneously, make installation and dismantlement to valve plate 6 down from last, also down from last to the installation of the sealed vulnerable part of last exhibition valve 4, thereby when changing sealed vulnerable part, need not dismantle heat preservation jacket 2, avoid influencing the thermal insulation performance of heat preservation jacket 2 because of installing again after dismantling, and even take place to leak between valve plate 6 and the case 45 and between valve plate 6 and the disk seat 40, the material of leaking only can get into from reation kettle inner tube 1 and go up exhibition valve 4, and can not leak to reation kettle inner tube 1 and go up the exhibition valve 4 outside, effectively guarantee sealed security.
Example 5:
the embodiment provides an upward-expanding valve for a reaction kettle, which comprises the following technical characteristics in addition to the technical scheme of the embodiment:
the valve plate 6 is connected with the valve seat 40 by bolts, and the bolts are countersunk;
the countersunk bolt is characterized in that a counter bore is formed in the valve plate 6, and after the valve plate 6 is installed by the bolt, a hole cover is preferably arranged on the counter bore and used for sealing the counter bore, so that materials are prevented from being accumulated in the counter bore, and no dead angle is formed in the inner bottom wall of the inner reaction kettle barrel 1.
According to the embodiment, the installation is convenient and fast by adopting the bolts, the countersunk head type is adopted, the dead angle of the inner bottom wall of the inner barrel 1 of the reaction kettle is avoided, and the material accumulation is prevented.
Example 6:
the embodiment provides an upward-opening valve for a reaction kettle, which, in addition to the technical solution of the above embodiment, has the following technical features, and further includes:
the sealing groove 8 is formed in the bottom wall of the mounting groove 5;
and the sealing gasket 9 are arranged in the sealing groove 8, and the top surface of the sealing gasket is abutted against the bottom surface of the valve plate 6.
In the embodiment, it can be seen that, the sealing groove 8 is formed in the bottom wall of the mounting groove 5, and the sealing gasket 9 is arranged in the sealing groove 8, so that the sealing performance between the valve plate 6 and the valve seat 40 is ensured, and the leakage of the material between the valve plate 6 and the valve seat 40 is prevented under the condition that the upward-opening valve 4 is closed.
Example 7:
the embodiment provides an upward-opening valve for a reaction kettle, which, in addition to the technical solution of the above embodiment, has the following technical features, and further includes:
the circular hole 10 is formed in the bottom surface of the heat insulation layer, and the circular hole 10 and the valve body 41 are coaxially arranged;
the compensating piece 11 is installed in the circular hole 10, is used for connecting the heat-insulating layer and the valve body 41, and is used for providing telescopic allowance;
wherein, the compensating part 11 preferably includes barrel and disk body, and the disk body cover is established at 41 surfaces of valve body and is welded with 41 surfaces of valve body preferred, and the barrel is located the disk body top and the top is welded with the heat preservation is preferred, and the bottom is welded with the disk body is preferred.
According to the embodiment, the round hole 10 coaxial with the valve body 41 is formed in the bottom surface of the heat insulation layer, and the compensation piece 11 used for connecting the heat insulation layer and the valve body 41 is installed in the round hole 10, so that the reaction kettle (such as the low-temperature reaction kettle inner cylinder 1) can provide telescopic allowance under the condition that cold contraction occurs on the surface of the heat insulation layer at the upper expansion valve 4 when discharging, the heat insulation layer is prevented from being damaged, and the service life of the heat insulation layer is prolonged.
While the embodiments of the present application have been described in connection with the drawings, the embodiments and features of the embodiments of the present application can be combined with each other without conflict, and the present application is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present application and the claims.
Claims (7)
1. An upward extending valve for a reactor, comprising:
the reaction kettle comprises a reaction kettle inner cylinder (1), wherein a heat-insulating jacket (2) is arranged on the surface of the reaction kettle inner cylinder (1), the heat-insulating jacket (2) comprises a jacket layer (20) and a heat-insulating layer (21), and a discharge hole (3) is formed in the bottom surface of the reaction kettle inner cylinder (1);
the upper expanding valve (4) is installed at the discharge port (3) and is wrapped by the heat insulation layer (21).
2. The upward-opening valve for a reaction kettle according to claim 1, characterized in that the upward-opening valve (4) comprises:
the valve seat (40), the valve seat (40) is fixedly connected with the discharge hole (3), and the upper surface of the valve seat is smoothly transited to the inner bottom wall of the reaction kettle inner cylinder (1);
the valve body (41) is fixedly connected to the bottom end of the valve seat (40), a discharge pipe (42) is arranged at the bottom end, and the valve body (41) is positioned on the upper side of the discharge pipe (42) and is wrapped by the heat insulation layer (21);
the valve rod (43) is positioned in the valve body (41), and a driving assembly (44) is mounted at the bottom end of the valve rod (43) and used for driving the valve rod (43) to move up and down;
and the valve core (45), wherein the valve core (45) is arranged at the top end of the valve rod (43).
3. The pop-up valve for a reaction kettle of claim 2, wherein:
the valve seat (40) is welded with the discharge port (3) at the bottom of the inner cylinder (1) of the reaction kettle.
4. The pop-up valve for a reaction vessel of claim 2, further comprising:
the mounting groove (5), the mounting groove (5) is arranged on the upper surface of the valve seat (40);
the valve plate (6) is detachably mounted in the mounting groove (5), and the upper surface of the valve plate (6) is flush with the valve seat (40);
the valve plate (6) is provided with a through hole (7) matched with the valve core (45), and the valve plate (6) and the valve core (45) are sealed by adopting a point surface.
5. The pop-up valve for a reaction kettle according to claim 4, wherein:
the valve plate (6) is connected with the valve seat (40) through bolts, and the bolts are countersunk.
6. The pop-up valve for a reaction vessel of claim 4, further comprising:
the sealing groove (8), the sealing groove (8) is arranged on the bottom wall of the mounting groove (5);
and the sealing gasket (9) is arranged in the sealing groove (8), and the top surface of the sealing gasket (9) is abutted against the bottom surface of the valve plate (6).
7. The pop-up valve for a reaction vessel of claim 2, further comprising:
the round hole (10), the said round hole (10) is set up in the bottom surface of the heat insulation layer (21), and set up with the axle center with the valve block (41);
the compensation piece (11), the compensation piece (11) is installed in round hole (10), and is used for connecting heat preservation (21) and valve body (41), and is used for providing flexible surplus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222705849.1U CN218094262U (en) | 2022-10-12 | 2022-10-12 | Upward-expanding valve for reaction kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222705849.1U CN218094262U (en) | 2022-10-12 | 2022-10-12 | Upward-expanding valve for reaction kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218094262U true CN218094262U (en) | 2022-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222705849.1U Active CN218094262U (en) | 2022-10-12 | 2022-10-12 | Upward-expanding valve for reaction kettle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218094262U (en) |
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2022
- 2022-10-12 CN CN202222705849.1U patent/CN218094262U/en active Active
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