Automatic opening and closing device of hydrolysis reaction kettle

Abstract

The utility model discloses an automatic opening and closing device for a hydrolysis reaction kettle, which comprises a fixed frame, a side frame fixedly connected with one side of the fixed frame, mounting flanges arranged above and below the fixed frame, an opening and closing mechanism arranged on the inner sides of the fixed frame and the side frame, and a clamping mechanism arranged on the side surface of the fixed frame. When the butt-joint frame of the blind plate is in butt joint with the mounting flange, the mounting flange is blocked and sealed by the blind plate, and the material port of the hydrolysis reaction kettle is in a closed state, so that mechanical regulation and control of opening and closing of the material port of the hydrolysis reaction kettle are realized; the mounting flanges are lifted in the vertical direction, the directions of the internal threads of the two mounting flanges are opposite, and the lifting directions of the two mounting flanges are opposite, so that the two mounting flanges are combined with each other to clamp the open plate or the blind plate to complete automatic closing, or the two mounting flanges are far away from each other to relieve the clamping state of the open plate or the blind plate. And the opening and closing states of the sliding opening plate and the blind plate are conveniently adjusted.

Description

Technical Field

[0001] This utility model relates to the field of hydrolysis reactor technology, and in particular to an automated opening and closing device for hydrolysis reactors. Background Technology

[0002] A hydrolysis reactor is a sealed container that promotes the hydrolysis reaction of substances with water by controlling conditions such as temperature, pressure, and stirring. Hydrolysis is a chemical reaction in which a compound reacts with water to decompose into two or more new substances. It usually requires a catalyst or specific conditions (such as high temperature and high pressure) to accelerate the reaction process. Hydrolysis reactors are mainly used in the chemical industry for the hydrolysis of oils to produce glycerol and fatty acids, and cellulose to produce glucose or bioethanol; in the pharmaceutical industry for the synthesis of active pharmaceutical ingredients (APIs) and intermediates; in environmental protection for the hydrolysis and degradation of organic wastewater (such as wastewater containing esters and proteins); and in food processing for the hydrolysis of starch to produce syrup or proteins to produce amino acids.

[0003] The existing hydrolysis reactors mostly use single-degree-of-freedom opening and closing sealing devices for the feed inlet, which have poor sealing performance under high pressure.

[0004] A reaction vessel outlet sealing device disclosed in Chinese patent document CN202023159283.4 includes a reaction vessel tank with an outlet hole in the middle of the lower surface of the tank. A sealing plate is provided on the lower surface of the tank, and a fixing sleeve is fixedly connected to the lower surface of the sealing plate. A pull rod is slidably inserted into the inside of the fixing sleeve. A cavity is formed on the upper surface of the sealing plate, and a support plate fixedly connected to the top of the pull rod is fitted inside the cavity. A sealing ball that cooperates with the inside of the outlet hole is fixedly connected to the middle of the upper surface of the support plate. The above-mentioned utility model utilizes the design of the sealing plate, which can slide on the lower surface of the reaction vessel tank through a slider and a groove. Both the slider and the groove are in the shape of a cross, which can ensure that the sealing plate will not detach from the lower surface of the reaction vessel tank. It is not necessary to remove the sealing plate before and after sealing, thus ensuring that the sealing device is not easily contaminated by external dust. However, the sealing plate of this reaction vessel outlet sealing device is not fixed by secondary sealing, and its high pressure resistance is poor.

[0005] To address the shortcomings of the existing technology, providing an automated opening and closing device for the hydrolysis reactor is a problem worthy of research. Utility Model Content

[0006] The purpose of this invention is to overcome the shortcomings of existing hydrolysis reactors, which mostly use single-degree-of-freedom opening and closing sealing devices and have poor sealing effects under high pressure. This invention provides an automated opening and closing device for hydrolysis reactors, which achieves the technical effect of further strengthening and fixing the sealing structure.

[0007] The objective of this utility model is achieved through the following technical solution:

[0008] An automated opening and closing device for a hydrolysis reactor includes a fixed frame, a side frame fixedly connected to one side of the fixed frame, mounting flanges located above and below the fixed frame, an opening and closing mechanism located inside the fixed frame and the side frame, and a clamping mechanism located on the side of the fixed frame.

[0009] The opening and closing mechanism includes a first cylinder fixedly connected to one side of the side frame, an opening plate fixedly connected to the output end of the first cylinder, and a blind plate fixedly connected to the side of the opening plate.

[0010] The opening plate has a through hole at its center, and the blind plate is closed at its center. Both the opening plate and the blind plate are located at the center of a docking frame. The diameter of the docking frame is matched with the diameter of the mounting flange, thereby realizing the mechanical control of the opening and closing of the feed port of the hydrolysis reactor.

[0011] The output end axis of the first cylinder passes through the axis of the opening plate, the blind plate, and the mounting flange. The extension and retraction stroke of the output end of the first cylinder is greater than the axial distance between the opening plate and the blind plate. By limiting the extension and retraction direction and extension and retraction stroke of the first cylinder, the opening plate or blind plate can be fully connected with the mounting flange to complete the adjustment of the opening and closing state during the extension and retraction of the first cylinder.

[0012] The clamping mechanism includes a first screw, a second screw, a third screw, and a fourth screw that are rotatably connected to the four corners of the fixed frame.

[0013] The four corners of the mounting flange are threadedly connected to the first screw, the second screw, the third screw, and the fourth screw, respectively, and the internal threads at the four corners of the two mounting flanges are in opposite directions.

[0014] The clamping mechanism also includes a second cylinder rotatably connected to one side of the fixed frame. The output end of the second cylinder is rotatably connected to a connecting rod. One end of the connecting rod is fixedly connected to the top of the first screw. After the opening and closing of the switching plate or blind plate is adjusted, the two mounting flanges further clamp and seal it, thereby further improving the sealing effect of the hydrolysis reactor.

[0015] A transmission link is provided at the bottom between the first screw and the second screw, at the bottom between the second screw and the third screw, and at the bottom between the third screw and the fourth screw. A single cylinder can control the synchronous lifting and lowering of the four corners of the mounting flange, thereby improving the stability of the mounting flange during the lifting and opening process.

[0016] The outer end of the mounting flange is connected to the feed port of the hydrolysis reactor. The outer end of the mounting flange is provided with a telescopic structure. The telescopic stroke of the mounting flange is greater than the lifting stroke of the mounting flange. During the lifting and adjusting opening and closing process, the end of the mounting flange can remain connected to the feed port.

[0017] Positive and beneficial effects:

[0018] 1. In this automatic opening and closing device for hydrolysis reactor, when the docking frame of the blind plate is connected to the mounting flange, the blind plate will block and close the mounting flange, and the feed port of the hydrolysis reactor will be in a closed state, thereby realizing the mechanical control of the opening and closing of the feed port of the hydrolysis reactor.

[0019] 2. The automatic opening and closing device of this hydrolysis reactor, when the four screws rotate, causes the mounting flanges to rise and fall in the vertical direction under the threaded transmission between the mounting flanges and the screws. The internal threads of the two mounting flanges are opposite, so their rising and falling directions are also opposite. This allows the two mounting flanges to merge and clamp the opening plate or blind plate to complete the automatic closing, or the two mounting flanges to move away from each other to release the clamping state of the opening plate or blind plate, so as to facilitate the sliding of the opening plate and blind plate to adjust the opening and closing state.

[0020] 3. The automated opening and closing device for this hydrolysis reactor uses a single cylinder to control the synchronous lifting and lowering of the four corners of the mounting flange, improving the stability of the mounting flange lifting and opening process. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of the present invention in its closed state;

[0022] Figure 2 This is a schematic cross-sectional view of the closed structure of this utility model;

[0023] Figure 3 This utility model Figure 2 Enlarged structural diagram at point A;

[0024] Figure 4 This is a schematic diagram of the open-state structure of this utility model;

[0025] Figure 5 This is a schematic diagram of the opening and closing mechanism of this utility model;

[0026] Figure 6 This is a schematic diagram of the cross-sectional structure of the opening and closing mechanism of this utility model;

[0027] Figure 7 This is a schematic diagram of the linkage mechanism of this utility model;

[0028] Figure 8 This utility model Figure 7A magnified structural diagram at point B in the middle.

[0029] In the diagram: 1-fixed frame, 2-side frame, 3-mounting flange, 4-opening and closing mechanism, 401-first cylinder, 402-opening plate, 403-blind plate, 5-clamping mechanism, 501-first screw, 502-second screw, 503-third screw, 504-fourth screw, 505-second cylinder, 506-connecting rod, 507-transmission link. Detailed Implementation

[0030] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model. Example 1

[0031] like Figures 1 to 8 As shown, the automated opening and closing device for the hydrolysis reactor includes a fixed frame 1, a side frame 2 fixedly connected to one side of the fixed frame 1, mounting flanges 3 disposed above and below the fixed frame 1, an opening and closing mechanism 4 disposed inside the fixed frame 1 and the side frame 2, and a clamping mechanism 5 disposed on the side of the fixed frame 1.

[0032] like Figures 1 to 2 As shown, the opening and closing mechanism 4 includes a first cylinder 401 fixedly connected to one side of the side frame 2, an opening plate 402 fixedly connected to the output end of the first cylinder 401, and a blind plate 403 fixedly connected to one side of the opening plate 402.

[0033] like Figures 5 to 6 As shown, a through hole is provided at the center of the opening plate 402, and the center of the blind plate 403 is closed. The center of both the opening plate 402 and the blind plate 403 is provided with a docking frame, the diameter of which is adapted to the diameter of the mounting flange 3. By setting the opening plate 402 and the blind plate 403 driven by the first cylinder 401 between the two mounting flanges 3, when the opening plate 402 docks with the mounting flange 3, the feed port of the hydrolysis reactor is in an open state. When the first cylinder 401 extends and the docking frame of the blind plate 403 docks with the mounting flange 3, the blind plate 403 blocks and closes the mounting flange 3, and the feed port of the hydrolysis reactor is in a closed state, thereby realizing the mechanical control of the opening and closing of the feed port of the hydrolysis reactor.

[0034] like Figures 2 to 6As shown, the output end axis of the first cylinder 401 passes through the axis of the opening plate 402, the blind plate 403, and the mounting flange 3. The extension and retraction stroke of the output end of the first cylinder 401 is greater than the axial distance between the opening plate 402 and the blind plate 403. By limiting the extension and retraction direction and extension and retraction stroke of the first cylinder 401, the opening plate 402 or the blind plate 403 can be fully connected with the mounting flange 3 during the extension and retraction of the first cylinder 401 to complete the adjustment of the opening and closing state. Example 2

[0035] like Figures 1 to 8 As shown, the clamping mechanism 5 includes a first screw 501, a second screw 502, a third screw 503 and a fourth screw 504 respectively rotatably connected to the four corners of the fixed frame 1;

[0036] The four corners of the mounting flange 3 are threadedly connected to the first screw 501, the second screw 502, the third screw 503, and the fourth screw 504, respectively. The internal threads of the four corners of the two mounting flanges 3 are in opposite directions. When the four screws rotate, the mounting flange 3 moves up and down in the vertical direction due to the threaded transmission between the mounting flange and the screws. Since the internal threads of the two mounting flanges 3 are in opposite directions, their rising and falling directions are also opposite. This allows the two mounting flanges 3 to clamp the opening plate 402 or the blind plate 403 together to complete the automatic closure, or the two mounting flanges 3 to move away from each other to release the clamping state of the opening plate 402 or the blind plate 403, so that the opening plate 402 and the blind plate 403 can be slid to adjust the opening and closing state.

[0037] like Figures 7 to 8 As shown, the clamping mechanism 5 also includes a second cylinder 505 rotatably connected to one side of the fixed frame 1. The output end of the second cylinder 505 is rotatably connected to a connecting rod 506. One end of the connecting rod 506 is fixedly connected to the top of the first screw 501. The extension and retraction of the second cylinder 505 can drive the first screw 501 to rotate. Then, the second screw 501 is connected to the threaded drive at the corners of the two mounting flanges 3 respectively, so that the two mounting flanges 3 can be raised and lowered to complete the opening and closing docking with the opening plate 402 or the blind plate 403. After the opening and closing of the opening plate 402 or the blind plate 403 is adjusted, the two mounting flanges 3 further clamp and seal it, further improving the sealing effect of the hydrolysis reactor.

[0038] like Figures 7 to 8As shown, a transmission link 507 is provided at the bottom between the first screw 501 and the second screw 502, at the bottom between the second screw 502 and the third screw 503, and at the bottom between the third screw 503 and the fourth screw 504. By providing transmission links 507 between adjacent screws, when the second cylinder 505 drives the first screw 501 to rotate, the second screw 502, the third screw 503, and the fourth screw 504 will rotate under the transmission action of the transmission link 507, so that the screws at the four corners of the mounting flange 3 are all threadedly driven by it. The synchronous lifting and lowering of the four corners of the mounting flange 3 can be controlled by a single cylinder, improving the stability of the mounting flange 3 during the lifting and opening process.

[0039] Furthermore, the extreme distance between the two mounting flanges 3 after they move is adapted to the thickness of the mating frame of the open plate 402 or the blind plate 403, and a sealing ring is set between the mating frame and the mounting flange 3 to further improve the sealing performance when the mating frame 403 and the mounting flange 3 are mated. Example 3

[0040] The outer end of the mounting flange 3 is connected to the feed port of the hydrolysis reactor. The outer end of the mounting flange 3 is provided with a telescopic structure. The telescopic stroke of the mounting flange 3 is greater than the lifting stroke of the mounting flange 3. By providing a telescopic structure at the end of the mounting flange 3, the end of the mounting flange 3 can remain connected to the feed port during the lifting and adjusting opening and closing process.

[0041] The working principle of this utility model is as follows:

[0042] S1. The opening plate 402 is connected to the mounting flange 3 to keep the feed port of the hydrolysis reactor in an open state;

[0043] S2. When it is necessary to close the feed port of the hydrolysis reactor, first drive the second cylinder 505 to retract, and drive the first screw 501 to rotate under the action of the connecting rod 506, and drive the second screw 502, the third screw 503 and the fourth screw 504 to rotate by the transmission connecting rod 507.

[0044] S3. Under the action of the threaded relationship between the mounting flange 3 and the screw, the two mounting flanges 3 are moved away from each other, and the clamping state of the split plate 402 is loosened.

[0045] S4. The first cylinder 401 can be activated to slide the opening plate 402 and the blind plate 403, thereby aligning the blind plate 403 with the mounting flange 3.

[0046] S5. Extend the second cylinder 505 to make the four screws rotate in opposite directions, so that the two mounting flanges 3 can be joined together to clamp the blind plate 403, thus completing the automatic conversion of the hydrolysis reactor from open to sealed.

[0047] S6. To switch the opening / closing state again, simply reverse the above steps.

[0048] The above description is only used to illustrate the technical solution of this utility model and is not intended to limit it. Any other modifications or equivalent substitutions made by those skilled in the art to the technical solution of this utility model, as long as they do not depart from the spirit and scope of the technical solution of this utility model, should be covered within the scope of the claims of this utility model.

Claims

1. An automated opening and closing device for a hydrolysis reactor, comprising a fixed frame (1) and a side frame (2) fixedly connected to one side of the fixed frame (1), characterized in that: It also includes mounting flanges (3) located above and below the fixed frame (1), opening and closing mechanisms (4) located inside the fixed frame (1) and the side frame (2), and clamping mechanisms (5) located on the side of the fixed frame (1).

2. The automated opening and closing device for the hydrolysis reactor according to claim 1, characterized in that: The opening and closing mechanism (4) includes a first cylinder (401) fixedly connected to one side of the side frame (2), an opening plate (402) fixedly connected to the output end of the first cylinder (401), and a blind plate (403) fixedly connected to one side of the opening plate (402).

3. The automated opening and closing device for the hydrolysis reactor according to claim 2, characterized in that: The center of the opening plate (402) is provided with a through hole, and the center of the blind plate (403) is in a closed state. The center of both the opening plate (402) and the blind plate (403) is provided with a docking frame, and the diameter of the docking frame is adapted to the diameter of the mounting flange (3).

4. The automated opening and closing device for the hydrolysis reactor according to claim 3, characterized in that: The output end axis of the first cylinder (401) passes through the axis of the open plate (402), the blind plate (403) and the mounting flange (3), and the extension stroke of the output end of the first cylinder (401) is greater than the distance between the axis of the open plate (402) and the blind plate (403).

5. The automated opening and closing device for the hydrolysis reactor according to claim 1, characterized in that: The clamping mechanism (5) includes a first screw (501), a second screw (502), a third screw (503) and a fourth screw (504) respectively rotatably connected to the four corners of the fixed frame (1). The four corners of the mounting flange (3) are threadedly connected to the first screw (501), the second screw (502), the third screw (503) and the fourth screw (504) respectively, and the internal threads of the four corners of the two mounting flanges (3) are in opposite directions.

6. The automated opening and closing device for the hydrolysis reactor according to claim 5, characterized in that: The clamping mechanism (5) further includes a second cylinder (505) rotatably connected to one side of the fixed frame (1). The output end of the second cylinder (505) is rotatably connected to a connecting rod (506), and one end of the connecting rod (506) is fixedly connected to the top of the first screw (501).

7. The automated opening and closing device for the hydrolysis reactor according to claim 6, characterized in that: A transmission link (507) is provided at the bottom between the first screw (501) and the second screw (502), a transmission link (507) is provided at the bottom between the second screw (502) and the third screw (503), and a transmission link (507) is provided at the bottom between the third screw (503) and the fourth screw (504).

8. The automated opening and closing device for the hydrolysis reactor according to claim 1, characterized in that: The outer end of the mounting flange (3) is connected to the feed port of the hydrolysis reactor. The outer end of the mounting flange (3) is provided with a telescopic structure. The telescopic stroke of the mounting flange (3) is greater than the lifting stroke of the mounting flange (3).

Images