Nitrogen timing supply assembly for PET (Polyethylene Terephthalate) reaction kettle
By designing a timed nitrogen supply component in the PET reactor, the nitrogen supply time is automatically controlled by electric valves and timers, solving the problem of valves not being closed in time during manual operation, and achieving efficient utilization of nitrogen and saving operation time.
Patent Information
- Application Number
- CN202422509606.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-16
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-10-16
AI Technical Summary
The nitrogen supply control in the existing PET reactor requires manual operation, which leads to the failure to close the valve in time, resulting in nitrogen waste and wasted waiting time.
Design a nitrogen timed gas supply component for PET reactors. Utilize integrated circuits and a control system to control electric valves and push rods, and combine a timer and lifting contact to automatically control the nitrogen supply time, ensuring timely valve closure when the timer ends.
It enables automatic timed nitrogen supply, reducing nitrogen waste and waiting time, and improving operational efficiency.
Smart Images
Figure CN223587113U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to PET reaction kettle technical field, concretely for a nitrogen fixed time gas supply assembly for PET reaction kettle. BACKGROUND
[0002] The PET reaction kettle will have many chemical reactions in the process of working, and the specific components of the chemical reactions are relatively complex, and the materials in the reaction kettle can be oxidized by oxygen during the reaction or before the reaction, so the purpose of the reaction cannot be achieved, and therefore a certain amount of nitrogen needs to be added to the reaction kettle as a protective gas during the reaction.
[0003] In the prior art, the release of nitrogen is controlled by a valve, directly through a pipeline, and by a timer, and when the timer ends, the timer rings, and at this time, the valve needs to be closed manually to stop the release of nitrogen.
[0004] However, it is relatively troublesome to manually open and close the nitrogen release switch, and generally the switch is closed only after the timer rings, that is, the switch may not be closed in time after the timing ends, resulting in a large amount of nitrogen release, which not only wastes nitrogen but also wastes a lot of waiting time. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a nitrogen fixed time gas supply assembly for PET reaction kettle to solve the problems in the above background.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a nitrogen fixed time gas supply assembly for PET reaction kettle, comprising: a bottom plate, the upper surface of the bottom plate is provided with a nitrogen tank, a control box and a reaction kettle, an electric valve is arranged between the two nitrogen tanks, one end of the electric valve is provided with a connecting pipe assembly, one end of the connecting pipe assembly is provided with an air inlet pipe assembly, the air inlet pipe assembly is arranged on the reaction kettle, an integrated circuit and a control system are arranged in the control box for controlling the operation of the whole device, an electric push rod is fixedly installed on one side of the electric valve, a push block is fixedly installed on the output end of the electric push rod, and the push block is arranged on the connecting pipe assembly.
[0007] Preferably, the air inlet pipe assembly comprises a timer, an air inlet pipe body, a fixed plate, a second spring, a stopper and a connecting rod, the air inlet pipe body is fixedly installed on one side of the reaction kettle, the timer is fixed on the upper surface of the air inlet pipe body, one end of the air inlet pipe body is provided with a second connecting groove, the fixed plate is fixedly installed in the second connecting groove, the fixed plate and the stopper are fixedly connected through the second spring, the stopper extends into the pipeline of the air inlet pipe body and is slidably connected with the pipeline, and the connecting rod is fixedly installed on one side of the stopper.
[0008] Preferably, the upper surface of the second connecting groove is provided with a lifting contact, the lifting contact extends into the top wall of the air inlet pipe body and the timer and is connected with the internal circuit of the timer through a wire, and the top of the lifting contact is fixedly connected with a third spring.
[0009] Preferably, the center of the fixed plate is provided with a third through hole.
[0010] Preferably, the connecting pipe assembly comprises a connecting pipe body, a first spring, a connecting block and a gas baffle, the connecting pipe body is fixedly connected on the push block, the connecting pipe body is provided with a first connecting groove, the connecting block is slidably connected in the first connecting groove and is slidably connected with the first connecting groove, the spring is fixedly connected on one end of the connecting block and is fixedly connected with the connecting block, the gas baffle is fixedly connected on one end of the first connecting groove, and a plurality of gas blocking columns are fixedly connected on one side of the gas baffle.
[0011] Preferably, one end of the connecting block is provided with a cylindrical groove, a plurality of first through holes are uniformly formed around the cylindrical groove, and the plurality of first through holes are matched with the plurality of gas blocking columns.
[0012] Preferably, the center of the gas baffle is provided with a second through hole, and the second through hole has the same radius as the cylindrical groove.
[0013] Compared with the prior art, the air inlet pipe assembly of the utility model has the beneficial effects that:
[0014] The timer is arranged on the air inlet pipe assembly, and the lifting contact is arranged in the air inlet pipe, so that when air is inhaled, the timer can automatically count time, when the counting is completed, the control box controls the electric push rod to retract, so that the connecting pipe body is separated from the air inlet pipe body, at the same time, the electric valve is closed, the nitrogen switch is closed in time when the counting is completed, and the user does not need to wait for a long time during the working process, nitrogen is effectively saved, and a large amount of time is saved. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 The utility model discloses a structure schematic view;
[0016] Figure 2 It is the cross section disassembly structure schematic view of the connecting pipe assembly of the utility model;
[0017] Figure 3 It is the cross section structure schematic view of the connecting pipe assembly of the utility model;
[0018] Figure 4 It is the cross section structure schematic view of the inlet pipe assembly of the utility model.
[0019] In the figure: 1, bottom plate; 2, control box; 3, nitrogen tank; 4, reaction kettle; 5, electric valve; 6, electric push rod; 7, push block; 8, connecting pipe assembly; 9, inlet pipe assembly; 10, connecting pipe body; 11, first connecting groove; 12, first spring; 13, connecting block; 14, first through hole; 15, gas baffle; 16, cylindrical groove; 17, gas blocking column; 18, second through hole; 19, timer; 20, inlet pipe body; 21, second connecting groove; 22, fixed plate; 23, third through hole; 24, second spring; 25, stop block; 26, connecting rod; 27, lifting contact; 28, third spring. DETAILED DESCRIPTION
[0020] In order to make the purpose, technical scheme of the utility model to carry out clear, complete description, and the advantage is more clear and clear, the following combining the drawings to the utility model embodiment further detailed description.Should understand, the specific embodiment described here is the part embodiment of the utility model, instead of all the embodiment, is only used to explain the utility model embodiment, and is not used to limit the utility model embodiment, the all other embodiments of the ordinary skill in the art obtained without doing the creative labor, it is within the scope of the protection of the utility model.
[0021] Embodiment one
[0022] Please refer to Figure 1 The utility model provides a kind of technical scheme: a kind of nitrogen fixed-time gas supply assembly for PET reaction kettle, it include: bottom plate 1, the upper surface of bottom plate 1 is provided with nitrogen tank 3, control box 2 and reaction kettle 4, two nitrogen tank 3 is provided with electric valve 5, electric valve 5 is connected with control box 2 by wire, control box 2 controls electric valve 5, one end of electric valve 5 is provided with connecting pipe assembly 8, connecting pipe assembly 8 is used to connect pipe and inlet pipe body 20, one end of connecting pipe assembly 8 is provided with inlet pipe assembly 9, inlet pipe assembly 9 is set on reaction kettle 4, inlet pipe not only plays a role of gas inlet, also plays the role of making gas not easily from gas inlet.
[0023] The control box 2 is internally provided with integrated circuits and control systems, the control box 2 can send instructions to each component, and can also accept instructions and signals sent by each component, for controlling the operation of the whole device. One side of the electric valve 5 is fixedly provided with an electric push rod 6, the electric push rod 6 can be controlled by the control box 2 to extend or retract, when nitrogen needs to be introduced, the electric push rod 6 extends, when nitrogen does not need to be introduced, the electric push rod 6 retracts. The output end of the electric push rod 6 is fixedly provided with a push block 7, the movement of the output end of the electric push rod 6 can drive the movement of the push block 7. The push block 7 is arranged on the connecting pipe assembly 8, and the movement of the push block 7 can drive the movement of the whole connecting pipe assembly 8.
[0024] In actual use, if air needs to be introduced, the control box 2 controls the electric push rod 6 to extend, so that the connecting pipe body 10 enters the air inlet pipe body 20, at this time, the interiors of the two are communicated, the electric valve 5 can be started, nitrogen can be continuously input into the reaction kettle 4, when the timer 19 finishes timing, the electric valve 5 needs to be closed first, then the electric push rod 6 is started, the electric push rod 6 retracts to separate the connecting pipe body 10 and the air inlet pipe body 20, the interiors of the connecting pipe body 10 and the air inlet pipe body 20 are self-locked and no gas passes through.
[0025] Example two
[0026] Please refer to Figure 1 and Figure 4 On the basis of example one, the air inlet pipe assembly 9 comprises a timer 19, an air inlet pipe body 20, a fixed plate 22, a second spring 24, a stop block 25 and a connecting rod 26. The air inlet pipe body 20 is fixedly arranged on one side of the reaction kettle 4, so that the nitrogen filled into the air inlet pipe body 20 can enter the reaction kettle 4. The timer 19 is fixedly arranged on the upper surface of the air inlet pipe body 20, the timing of the timer 19 is automatically triggered. One end of the air inlet pipe body 20 is provided with a second connecting groove 21, the second connecting groove 21 extends into the reaction kettle 4 with the air inlet pipe body 20. The fixed plate 22 is fixedly arranged in the second connecting groove 21. The fixed plate 22 and the stop block 25 are fixedly connected through the second spring 24. One end of the second spring 24 is fixedly connected with the fixed plate 22, and the other end of the second spring 24 is fixedly connected with the stop block 25. The stop block 25 is used for stopping the gas outside the second connecting groove 21, so as to ensure that when the connecting pipe body 10 is not connected, the external gas cannot enter the reaction kettle 4 through the air inlet pipe body 20. The stop block 25 extends into the pipeline of the air inlet pipe body 20 and is in sliding connection with the pipeline. The stop block 25 stops the external gas, so that the gas in the reaction kettle 4 and the external gas do not flow into each other. The connecting rod 26 is fixedly arranged on one side of the stop block 25. The connecting rod 26 is arranged to be relatively long, so as to facilitate the pushing of the stop block 25.
[0027] The upper surface of the second connecting groove 21 is provided with a lifting contact 27, which is lifted when contacting the block 25 and lowered when the block 25 is away, the lifting contact 27 extends into the top wall of the air inlet pipe body 20 and the timer 19 and is connected with the internal circuit of the timer 19 through a wire, when the contact is in contact with the block 25, a signal is sent to the timer 19 to make it count, the top of the lifting contact 27 is fixedly connected with a third spring 28, the center of the fixed plate 22 is provided with a third through hole 23, the third spring 28 is used to ensure that the contact can continue to pop out after being retracted, so as to ensure that it is more sensitive in use.
[0028] In actual use, when the connecting rod 26 is pushed by an object to make the block 25 extend into the second connecting groove 21, the block 25 will touch the lifting contact 27, the lifting contact 27 is lifted when contacting the block 25 and lowered when the block 25 is away, the lifting contact 27 extends into the top wall of the air inlet pipe body 20 and the timer 19 and is connected with the internal circuit of the timer 19 through a wire, when the contact is in contact with the block 25, a signal is sent to the timer 19 to make it count, the timer 19 will send a signal to the control box 2 to make it open the electric valve 5, so that the nitrogen is filled into the reaction kettle 4.
[0029] Example three
[0030] Please refer to Figures 2-3On the basis of embodiment two, the connecting pipe assembly 8 comprises a connecting pipe body 10, a first spring 12, a connecting block 13 and a gas baffle 15, the connecting pipe body 10 is fixedly connected on the push block 7, the push block 7 moves with the movement of the output end of the electric push rod 6, the first connecting groove 11 is arranged in the connecting pipe body 10, the connecting pipe body 10 is connected with the air inlet pipe body 20 in working, the connecting block 13 is slidably connected in the first connecting groove 11, the first spring 12 is fixedly connected on one end of the connecting block 13, the other end of the first spring 12 is fixedly connected with one end wall of the first connecting groove 11, the gas baffle 15 is fixedly connected on one end of the first connecting groove 11, the gas baffle is used to guarantee that the gas does not easily leak in normal state, a plurality of gas blocking columns 17 are fixedly connected on one side of the gas baffle, the gas blocking columns are fixedly connected, one end of the connecting block 13 is provided with a cylindrical groove 16, the cylindrical groove 16 is used to collide with the connecting rod 26, a plurality of first through holes 14 are uniformly arranged around the cylindrical groove 16, the plurality of first through holes 14 are arranged to enable the connecting block 13 to pass nitrogen, the plurality of first through holes 14 are matched with the plurality of gas blocking columns 17, the plurality of gas blocking columns 17 tightly block the first through holes 14 to guarantee that the greater the nitrogen pressure, the greater the pressure between them, and the more difficult to release nitrogen, a second through hole 18 is arranged in the center of the gas baffle 15, the second through hole 18 has the same radius as the cylindrical groove 16, in normal state, the second through hole 18 is matched with the plurality of cylindrical grooves 16, and the connecting block 13 is attached to the gas baffle.
[0031] In actual use, when the connecting pipe body 10 is inserted into the air inlet pipe body, first, one end of the connecting pipe body 10 with the first connecting groove 11 is inserted into the air inlet pipe body 20, then the connecting rod 26 is inserted into the cylindrical groove 16 through the fifth through hole until the deepest part of the cylindrical groove 16, then the second spring 24 is compressed, the second spring 24 is separated from the pipeline of the air inlet pipe body 20 and enters the second connecting groove 21, the lifting contact 27 is in contact with the stop block 25, at this time, the timer 19 is triggered to start, the timer 19 starts timing and sends a signal to the control box 2 to open the electric valve 5, with the opening of the valve, the first spring 12 is also slowly compressed, when the connecting block 13 has a certain distance from the gas baffle 15, the gas blocking column 17 is separated from the first through hole 14, the nitrogen gas passes through the second through hole 18 and finally enters the reaction kettle 4 through the third through hole 23.
[0032] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A nitrogen timing gas supply assembly for a PET reactor vessel, comprising: The bottom plate (1) is characterized in that: the upper surface of the bottom plate (1) is provided with nitrogen tanks (3), control boxes (2) and reaction kettles (4), electric valves (5) are arranged between the two nitrogen tanks (3), one end of the electric valve (5) is provided with a connecting pipe assembly (8), one end of the connecting pipe assembly (8) is provided with an air inlet pipe assembly (9), the air inlet pipe assembly (9) is arranged on the reaction kettle (4), an integrated circuit and a control system are arranged inside the control box (2), which is used for controlling the operation of the whole device, an electric push rod (6) is fixedly installed on one side of the electric valve (5), an output end of the electric push rod (6) is fixedly installed with a push block (7), and the push block (7) is arranged on the connecting pipe assembly (8).
2. The nitrogen timing supply assembly for the PET reactor according to claim 1, wherein: The air inlet pipe assembly (9) comprises a timer (19), an air inlet pipe body (20), a fixed plate (22), a second spring (24), a stop block (25) and a connecting rod (26), the air inlet pipe body (20) is fixedly installed on one side of the reaction kettle (4), the timer (19) is fixedly installed on the upper surface of the air inlet pipe body (20), one end of the air inlet pipe body (20) is provided with a second connecting groove (21), the fixed plate (22) is fixedly installed in the second connecting groove (21), the fixed plate (22) and the stop block (25) are fixedly connected through the second spring (24), the stop block (25) extends into the pipeline of the air inlet pipe body (20) and is slidably connected with the pipeline, and the connecting rod (26) is fixedly installed on one side of the stop block (25).
3. The nitrogen timing feeding assembly for PET reactor according to claim 2, characterized in that: The upper surface of the second connecting groove (21) is provided with a lifting contact (27), the lifting contact (27) extends into the top wall of the air inlet pipe body (20) and the timer (19) and is connected with the internal circuit of the timer (19) through wires, and the top of the lifting contact (27) is fixedly connected with a third spring (28).
4. The nitrogen timing supply assembly for the PET reactor according to claim 3, characterized in that: A third through hole (23) is formed in the center of the fixed plate (22).
5. The nitrogen timing feeding assembly for PET reactor according to claim 4, characterized in that: The connecting pipe assembly (8) comprises a connecting pipe body (10), a first spring (12), a connecting block (13) and a gas baffle (15), the connecting pipe body (10) is fixedly connected to the push block (7), a first connecting groove (11) is formed in the connecting pipe body (10), the connecting block (13) is slidably connected in the first connecting groove (11) and is slidably connected with the first connecting groove (11), the spring is fixedly connected to one end of the connecting block (13) and is fixedly connected with the connecting block (13), the gas baffle (15) is fixedly connected to one end of the first connecting groove (11), and a plurality of gas blocking columns (17) are fixedly connected to one side of the gas baffle (15).
6. The nitrogen timing supply assembly for a PET reactor according to claim 5, wherein: One end of the connecting block (13) is provided with a cylindrical groove (16), a plurality of first through holes (14) are uniformly formed around the cylindrical groove (16), and the plurality of first through holes (14) are matched with the plurality of gas blocking columns (17).
7. The nitrogen timing supply assembly for a PET reactor vessel of claim 6, wherein: A second through hole (18) is formed in the center of the gas baffle (15), and the second through hole (18) has the same radius as the cylindrical groove (16).