CN219756057U - Liquid nitrogen emission control device - Google Patents
Liquid nitrogen emission control device Download PDFInfo
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- CN219756057U CN219756057U CN202321192742.XU CN202321192742U CN219756057U CN 219756057 U CN219756057 U CN 219756057U CN 202321192742 U CN202321192742 U CN 202321192742U CN 219756057 U CN219756057 U CN 219756057U
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- way valve
- liquid nitrogen
- pipe
- valve
- control device
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 239000007788 liquid Substances 0.000 title claims abstract description 41
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 41
- 238000007599 discharging Methods 0.000 claims abstract description 15
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 7
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
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- Separation By Low-Temperature Treatments (AREA)
Abstract
The utility model relates to the technical field of rectification, in particular to a liquid nitrogen discharge control device, which comprises a rectification tower, wherein a discharge pipe is fixedly arranged at the bottom of the rectification tower, a first three-way valve is fixedly arranged at one end of the discharge pipe, and an auxiliary pipe is fixedly arranged at one side of the first three-way valve. The utility model has the advantages that: through the cooperation between drain pipe, first three-way valve, auxiliary pipe, be responsible for, second three-way valve and the discharging pipe can just can make when need changing the operation to automatically controlled ooff valve make liquid nitrogen enter into the inside of discharging pipe through the auxiliary pipe and carry out the discharging operation to make the change to automatically controlled ooff valve more quick, thereby can rotate the pipeline that flows to liquid nitrogen through motor, pivot, dwang, cooperation between dwang and the valve handle automatic control valve handle remotely and change the route operation, thereby can make speed and efficiency to liquid nitrogen change the route higher.
Description
Technical Field
The utility model relates to the technical field of rectification, in particular to a liquid nitrogen emission control device.
Background
The discharge control device is used for controlling the discharge time and the discharge amount of discharged media and the like, and liquid nitrogen is a common refrigerant for rectification, and the discharge control device is used for controlling the liquid nitrogen amount flowing out of the rectifying tower in the process of discharging the liquid nitrogen.
Chinese application number CN202023048262.5 discloses a liquid nitrogen emission control device and a rectification system, wherein the liquid nitrogen emission control device comprises: a discharge pipe; an electric control switch valve arranged on the discharge pipe; the pressure sensor is used for measuring the pressure in the external rectifying tower and is in signal connection with the electric control switch valve. The liquid nitrogen in the rectifying tower flows into the discharge pipe and is discharged from the discharge pipe, the pressure sensor can detect the current pressure in the rectifying tower, the electric control switch valve performs corresponding opening or closing actions according to signals transmitted by the pressure sensor to control the liquid nitrogen quantity flowing out of the discharge pipe, but the device still has some defects in the using process: when the device is used for replacing the electric control switch valves, two switch valves are required to be closed, and then one switch valve is opened to enable liquid nitrogen to flow to other pipelines so as to replace the electric control switch valves, so that the operation is troublesome and not convenient enough.
Disclosure of Invention
The object of the present utility model is to solve at least one of the technical drawbacks.
Therefore, an object of the present utility model is to provide a liquid nitrogen discharge control device, which solves the problems mentioned in the background art and overcomes the shortcomings in the prior art.
In order to achieve the above object, an embodiment of an aspect of the present utility model provides a liquid nitrogen discharge control device, including a rectifying tower, a discharge pipe is fixedly installed at the bottom of the rectifying tower, a first three-way valve is fixedly installed at one end of the discharge pipe, an auxiliary pipe is fixedly installed at one side of the first three-way valve, a main pipe is fixedly installed at the other side of the first three-way valve, a second three-way valve is fixedly installed at one end of the auxiliary pipe and the main pipe far away from the first three-way valve, a discharge pipe is fixedly installed at one side of the second three-way valve, and a driving device is arranged above the first three-way valve and the second three-way valve, and the technical effects achieved by adopting the above scheme are that: when needs maintain the change operation to automatically controlled ooff valve, drive the pivot through two motor operations of intelligent remote control center control and rotate, then pivoted rotation drives the dwang and rotates, then the rotation of dwang drives the valve handle through the dwang and rotates, adjusts the operation to first three-way valve and second three-way valve to can close the person in charge and make drain pipe and discharging pipe and auxiliary pipe intercommunication, thereby make the change to automatically controlled ooff valve more quick.
By the above-mentioned arbitrary scheme preferred, the surface of being responsible for is provided with automatically controlled ooff valve, the top of first three-way valve and second three-way valve all is provided with the valve handle, the top of auxiliary pipe and being responsible for is provided with the fixed plate, adopts the technical effect that above-mentioned scheme reached to be: the two three-way valves can be controlled to rotate through the valve handle, so that the flowing direction of liquid nitrogen can be changed, and the liquid nitrogen discharging operation in the rectifying tower can be automatically controlled through the electric control switch valve and the pressure sensor in the rectifying tower.
By the preferred bottom fixedly connected with backup pad of arbitrary scheme above-mentioned fixed plate, the one end fixedly connected with first connecting plate of fixed plate is kept away from to the backup pad, the below of first connecting plate is provided with the second connecting plate, one side that first connecting plate and second connecting plate are close to mutually is provided with first fixing bolt, adopts the technical effect that above-mentioned scheme reached to be: the first connecting plate and the second connecting plate can be more convenient to mount and dismount the position of the fixing plate through the first fixing bolt.
By the preferred in arbitrary scheme of above-mentioned, drive arrangement includes motor and pivot, the top fixed mounting of fixed plate has the motor, the bottom of motor is through shaft coupling fixed mounting there being the pivot, the one end fixed mounting of pivot has the dwang, adopts the technical effect that above-mentioned scheme reached to be: the rotating shaft is driven to rotate through motor operation, and then the rotating rod is driven to rotate through rotation of the rotating shaft, so that the valve can be operated.
By the preferred top of arbitrary scheme of above-mentioned, the top of dwang is provided with the mounting groove, the inner wall of mounting groove is provided with the plugboard, the surface of plugboard is provided with the second fixing bolt, the inner wall of mounting groove is provided with the screw thread groove with second fixing bolt looks adaptation, adopts the technical effect that above-mentioned scheme reached to be: the mounting groove and the fixing plate can be used for conveniently mounting the position of the driving rod, so that subsequent mounting and dismounting operations can be conveniently performed.
By the preferred in arbitrary scheme of above-mentioned, the middle part fixedly connected with drive pole of plugboard, drive the pole and pierce through the dwang, the top of valve handle is provided with the slot the same with drive pole diameter, adopts the technical effect that above-mentioned scheme reached to be: the valve handle is driven to rotate through the rotation of the driving rod, so that the flowing direction of liquid nitrogen can be changed.
By the preferred one end fixed mounting of arbitrary scheme of above-mentioned drive pole has the stopper, the diameter of stopper is greater than the diameter of drive pole, the quantity of fixed plate and drive arrangement is two, adopts the technical effect that above-mentioned scheme reached to be: the position of the bottom of the driving rod can be limited and fixed through the limiting block.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
1. this liquid nitrogen emission control device, through the cooperation between blow off pipe, first three-way valve, auxiliary pipe, main pipe, second three-way valve and the discharging pipe, just can make when need changing the operation to automatically controlled ooff valve make liquid nitrogen enter into the inside of discharging pipe through the auxiliary pipe and carry out the discharging operation to make the change to automatically controlled ooff valve more quick.
2. This liquid nitrogen discharges controlling means, through the cooperation between motor, pivot, dwang, drive pole and the valve handle can long-range automatic control valve handle rotate thereby carry out the operation of diversion to the pipeline that liquid nitrogen flows to can make speed and the efficiency to liquid nitrogen diversion higher.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of the present utility model;
FIG. 2 is a schematic view of the structure at A according to the first embodiment of the present utility model;
FIG. 3 is a schematic diagram of a structure at B according to a first embodiment of the present utility model;
fig. 4 is a schematic partial structure of a first embodiment of the present utility model.
Wherein: the device comprises a 1-rectifying tower, a 2-discharge pipe, a 3-first three-way valve, a 4-auxiliary pipe, a 5-main pipe, a 6-second three-way valve, a 7-discharge pipe, an 8-electric control switch valve, a 9-first connecting plate, a 10-second connecting plate, a 11-first fixing bolt, a 12-supporting plate, a 13-fixing plate, a 14-driving device, a 1401-motor, a 1402-rotating shaft, a 15-rotating rod, a 16-driving rod, a 17-second fixing bolt, a 18-limiting block, a 19-valve handle, a 20-plug board and a 21-mounting groove.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following.
Embodiment one: as shown in fig. 1 to 4, a liquid nitrogen discharge control device comprises a rectifying tower 1, a discharge pipe 2 is fixedly arranged at the bottom of the rectifying tower 1, a first three-way valve 3 is fixedly arranged at one end of the discharge pipe 2, an auxiliary pipe 4 is fixedly arranged at one side of the first three-way valve 3, a main pipe 5 is fixedly arranged at the other side of the first three-way valve 3, a second three-way valve 6 is fixedly arranged at one end of the auxiliary pipe 4 and the main pipe 5, a discharging pipe 7 is fixedly arranged at one side of the second three-way valve 6, a driving device 14 is arranged above the first three-way valve 3 and the second three-way valve 6, when maintenance and replacement operation is required for an electric control switch valve 8, two motors 1401 are controlled by an intelligent remote control center to drive a rotating shaft 1402 to rotate, then the rotating shaft 15 is driven to rotate by the rotating shaft 1402, then the rotating shaft 15 drives a valve handle 19 to rotate by a driving rod 16, and the first three-way valve 3 and the second three-way valve 6 are subjected to adjustment operation, so that the main pipe 4 and the discharging pipe 2 and the auxiliary pipe 7 can be closed, and the electric control switch valve 8 can be more quickly replaced.
As an alternative technical scheme of the utility model, the surface of the main pipe 5 is provided with the electric control switch valve 8, the tops of the first three-way valve 3 and the second three-way valve 6 are respectively provided with the valve handle 19, the upper parts of the auxiliary pipe 4 and the main pipe 5 are provided with the fixed plate 13, the two three-way valves can be controlled to rotate through the valve handles 19, so that the flowing direction of liquid nitrogen can be changed, and the liquid nitrogen discharging operation in the rectifying tower 1 can be automatically controlled through the electric control switch valve 8 and the pressure sensor in the rectifying tower 1.
As an alternative technical scheme of the utility model, the bottom of the fixing plate 13 is fixedly connected with the supporting plate 12, one end of the supporting plate 12 far away from the fixing plate 13 is fixedly connected with the first connecting plate 9, the second connecting plate 10 is arranged below the first connecting plate 9, the first fixing bolt 11 is arranged on one side, close to the first connecting plate 9 and the second connecting plate 10, of the first connecting plate 9, and the second connecting plate 10 can more conveniently carry out installation and disassembly operations on the position of the fixing plate 13 through the first fixing bolt 11.
As an alternative solution of the present utility model, the driving device 14 includes a motor 1401 and a rotating shaft 1402, the motor 1401 is fixedly installed at the top of the fixing plate 13, the rotating shaft 1402 is fixedly installed at the bottom of the motor 1401 through a coupling, a rotating rod 15 is fixedly installed at one end of the rotating shaft 1402, the rotating shaft 1402 is driven to rotate by the operation of the motor 1401, and then the rotating rod 15 is driven to rotate by the rotation of the rotating shaft 1402, so that the valve can be operated.
As an alternative solution of the present utility model, the top of the rotating rod 15 is provided with a mounting groove 21, the inner wall of the mounting groove 21 is provided with a plugboard 20, the surface of the plugboard 20 is provided with a second fixing bolt 17, the inner wall of the mounting groove 21 is provided with a thread groove adapted to the second fixing bolt 17, and the mounting operation of the position of the driving rod 16 can be conveniently performed through the mounting groove 21 and the fixing plate 20, so that the subsequent mounting and dismounting operations can be conveniently performed.
As an alternative solution of the present utility model, the middle part of the plugboard 20 is fixedly connected with the driving rod 16, the driving rod 16 penetrates through the rotating rod 15, the top of the valve handle 19 is provided with a slot with the same diameter as the driving rod 16, and the valve handle 19 is driven to rotate by the rotation of the driving rod 16, so that the flowing direction of the liquid nitrogen can be changed.
As an alternative technical scheme of the utility model, one end of the driving rod 16 is fixedly provided with the limiting block 18, the diameter of the limiting block 18 is larger than that of the driving rod 16, the number of the fixing plates 13 and the number of the driving devices 14 are two, and the position of the bottom of the driving rod 16 can be limited and fixed through the limiting block 18.
A liquid nitrogen discharge control device has the following working principle: when the electric control switch valve 8 needs to be maintained and replaced, the two motors 1401 are controlled by the intelligent remote control center to operate so as to drive the rotating shafts 1402 to rotate, then the rotating rods 15 are driven to rotate by the rotation of the rotating rods 1402, then the valve handles 19 are driven to rotate by the rotation of the rotating rods 15 through the driving rods 16, the first three-way valve 3 and the second three-way valve 6 are adjusted, and accordingly the main pipe 5 can be closed so that the discharge pipe 2 and the discharge pipe 7 are communicated with the auxiliary pipe 4, and the electric control switch valve 8 can be replaced more quickly.
To sum up, this liquid nitrogen emission controlling means, through the drain pipe 2, first three-way valve 3, auxiliary pipe 4, be responsible for 5, cooperation between second three-way valve 6 and the discharging pipe 7 can just can make when need carry out the operation of changing to automatically controlled ooff valve 8 make liquid nitrogen enter into the inside of discharging pipe 7 through auxiliary pipe 4 and carry out the ejection of compact operation, thereby make the change to automatically controlled ooff valve 8 more quick, thereby through motor 1401, pivot 1402, dwang 15, cooperation between driver's lever 16 and the valve handle 19 can long-range automatic control valve handle 19 rotate and carry out the operation of rerouting to the pipeline that liquid nitrogen flows, thereby can make speed and efficiency to liquid nitrogen rerouting higher.
In the second embodiment, the ball is disposed at the portion of the driving rod 16 inserted into the slot of the valve handle 19 based on the above embodiment, and friction can be reduced by the ball when the driving rod 16 drives the valve handle 19 to rotate, so that the speed and efficiency of adjustment are faster.
Claims (7)
1. The utility model provides a liquid nitrogen emission controlling means, includes rectifying column (1), its characterized in that: the bottom fixed mounting of rectifying column (1) has blow off pipe (2), the one end fixed mounting of blow off pipe (2) has first three-way valve (3), one side fixed mounting of first three-way valve (3) has auxiliary pipe (4), the opposite side fixed mounting of first three-way valve (3) has person in charge (5), auxiliary pipe (4) and person in charge (5) keep away from one end fixed mounting of first three-way valve (3) have second three-way valve (6), one side fixed mounting of second three-way valve (6) has discharging pipe (7), the top of first three-way valve (3) and second three-way valve (6) is provided with drive arrangement (14).
2. A liquid nitrogen discharge control device according to claim 1, wherein: the surface of the main pipe (5) is provided with an electric control switch valve (8), the tops of the first three-way valve (3) and the second three-way valve (6) are respectively provided with a valve handle (19), and the upper parts of the auxiliary pipe (4) and the main pipe (5) are provided with a fixed plate (13).
3. A liquid nitrogen discharge control device according to claim 2, wherein: the bottom fixedly connected with backup pad (12) of fixed plate (13), one end fixedly connected with first connecting plate (9) of fixed plate (13) are kept away from to backup pad (12), the below of first connecting plate (9) is provided with second connecting plate (10), one side that first connecting plate (9) and second connecting plate (10) are close to is provided with first fixing bolt (11).
4. A liquid nitrogen discharge control device according to claim 3, wherein: the driving device (14) comprises a motor (1401) and a rotating shaft (1402), the motor (1401) is fixedly arranged at the top of the fixed plate (13), the rotating shaft (1402) is fixedly arranged at the bottom of the motor (1401) through a coupler, and a rotating rod (15) is fixedly arranged at one end of the rotating shaft (1402).
5. A liquid nitrogen discharge control device as claimed in claim 4, wherein: the top of dwang (15) is provided with mounting groove (21), the inner wall of mounting groove (21) is provided with plugboard (20), the surface of plugboard (20) is provided with second fixing bolt (17), the inner wall of mounting groove (21) is provided with the screw thread groove with second fixing bolt (17) looks adaptation.
6. A liquid nitrogen discharge control device as claimed in claim 5, wherein: the middle part fixedly connected with of plugboard (20) drives pole (16), drive pole (16) and pierce through dwang (15), the top of valve handle (19) is provided with the slot the same with drive pole (16) diameter.
7. A liquid nitrogen discharge control device as claimed in claim 6, wherein: one end of the driving rod (16) is fixedly provided with a limiting block (18), the diameter of the limiting block (18) is larger than that of the driving rod (16), and the number of the fixing plates (13) and the number of the driving devices (14) are two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321192742.XU CN219756057U (en) | 2023-05-17 | 2023-05-17 | Liquid nitrogen emission control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321192742.XU CN219756057U (en) | 2023-05-17 | 2023-05-17 | Liquid nitrogen emission control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219756057U true CN219756057U (en) | 2023-09-26 |
Family
ID=88087285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321192742.XU Active CN219756057U (en) | 2023-05-17 | 2023-05-17 | Liquid nitrogen emission control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219756057U (en) |
-
2023
- 2023-05-17 CN CN202321192742.XU patent/CN219756057U/en active Active
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