CN224150228U - Ultrapure water nitrogen seal multifunctional water seal device - Google Patents
Ultrapure water nitrogen seal multifunctional water seal deviceInfo
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- CN224150228U CN224150228U CN202521195431.8U CN202521195431U CN224150228U CN 224150228 U CN224150228 U CN 224150228U CN 202521195431 U CN202521195431 U CN 202521195431U CN 224150228 U CN224150228 U CN 224150228U
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Abstract
本实用新型涉及水封装置技术领域，公开了一种超纯水氮封多功能水封装置，包括筒体，所述筒体内设有隔板，所述隔板将筒体内分隔为上方空间和下方空间，所述隔板上设有连通管，所述连通管连通上方空间和下方空间；所述筒体的上端设有与上方空间连通的氮封水箱连接口、进氮阀和防负压阀，所述氮封水箱连接口通过外接管道与氮封水箱上的侧方连接口连接，所述进氮阀用于连接氮气进气管，所述筒体的下端设有与下方空间连通的溢流管；所述筒体上设有与上方空间连通的水封补水口；本实用新型提供的一种超纯水氮封多功能水封装置，解决了现有氮封水箱存在对液位和气压控制要求的精度极高，控制特别复杂，投入成本高的问题。
This utility model relates to the technical field of water sealing devices, and discloses a multifunctional water sealing device for ultrapure water nitrogen sealing. It includes a cylindrical body with a partition inside, dividing the body into an upper space and a lower space. A connecting pipe is provided on the partition, connecting the upper and lower spaces. The upper end of the cylindrical body has a nitrogen sealing tank connection port, a nitrogen inlet valve, and a negative pressure prevention valve, all communicating with the upper space. The nitrogen sealing tank connection port is connected to a side connection port on the nitrogen sealing tank via an external pipe. The nitrogen inlet valve is used to connect to a nitrogen inlet pipe. The lower end of the cylindrical body has an overflow pipe communicating with the lower space. A water seal inlet is provided on the cylindrical body, communicating with the upper space. This utility model provides a multifunctional water sealing device for ultrapure water nitrogen sealing, solving the problems of existing nitrogen sealing tanks requiring extremely high precision in liquid level and pressure control, resulting in complex control and high investment costs.
Description
Technical Field
The utility model relates to the technical field of water sealing devices, in particular to an ultrapure water nitrogen sealing multifunctional water sealing device.
Background
The ultra-pure water is extremely high in purity and not easy to store, and once the ultra-pure water contacts air, CO 2 and impurities in the air are extremely easy to dissolve into the ultra-pure water, so that the contact of the ultra-pure water with the air is required to be reduced, a nitrogen sealing water tank, namely a nitrogen filling method, is generally adopted in a container, and nitrogen is filled on the water surface of the water tank to maintain proper positive pressure in the water tank, so that the contact between the atmosphere and the water surface in the water tank is prevented. The nitrogen seal water tank is generally composed of a nitrogen supply valve, a nitrogen release valve and a breathing valve, when the water tank is opened, the liquid level of ultrapure water rises, the gas phase partial volume is reduced, the pressure rises, when the pressure in the water tank rises to be higher than the pressure set point of the nitrogen release valve, the nitrogen release valve is opened, nitrogen is released to the outside, the pressure in the tank is reduced, when the pressure is reduced to the pressure set point of the nitrogen release valve, the nitrogen seal water tank is automatically closed, when the water tank water outlet valve is opened, the liquid level of ultrapure water falls, the gas phase partial volume is increased, the pressure in the tank is reduced, the nitrogen supply valve is opened, nitrogen is injected into the storage tank, the pressure in the tank is increased, and the pressure in the tank is increased to the pressure set point of the nitrogen supply valve and is automatically closed. The nitrogen seal water tank has extremely high precision required for liquid level and air pressure control, so the control is often extremely complex, and the input cost is high. The later stage also has the risk of faults, resulting in negative pressure deformation or water leakage of the nitrogen seal water tank. And because the nitrogen supply valve and the nitrogen discharge valve are adopted, when the liquid level sensing fails, the overpressure of the water tank is easily broken because of no overflow device.
Disclosure of utility model
The utility model aims to provide an ultrapure water nitrogen seal multifunctional water seal device which is used for solving at least one of the problems in the prior art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The ultrapure water nitrogen seal multifunctional water seal device comprises a cylinder body, wherein a partition plate is arranged in the cylinder body, the inside of the cylinder body is divided into an upper space and a lower space by the partition plate, a communicating pipe is arranged on the partition plate, and the communicating pipe is communicated with the upper space and the lower space;
The upper end of the cylinder is provided with a nitrogen sealing water tank connector communicated with the upper space, a nitrogen inlet valve and an anti-negative pressure valve, the nitrogen sealing water tank connector is connected with a side connector on the nitrogen sealing water tank through an external pipeline, the nitrogen inlet valve is used for being connected with a nitrogen inlet pipe, and the lower end of the cylinder is provided with an overflow pipe communicated with the lower space;
The cylinder is provided with a water seal water supplementing port communicated with the space above, the water seal water supplementing port is used for being connected with an ultrapure water pipeline, and the cylinder is provided with a nitrogen exhaust pipe communicated with the space below.
According to the technical scheme, the partition plate separates the cylinder into the upper space and the lower space, the partition plate isolates the space in the cylinder, the partition plate is provided with the communicating pipe, the communicating pipe is communicated with the upper space and the lower space, and the communication of the upper space and the lower space can be realized through the arrangement of the communicating pipe. Because be equipped with the water seal moisturizing mouth of a river with the upper space intercommunication on the barrel, the water seal moisturizing mouth of a river is used for connecting ultrapure water pipeline, when this water seal device was used for the first time, pour into a certain amount of ultrapure water into in the barrel through the water seal moisturizing mouth, and the water seal moisturizing mouth of a river introduces the ultrapure water into the upper space, and when the water level exceeded the upper end of communicating pipe in the upper space, in the ultrapure water rethread communicating pipe enters into the lower space, until the water level in the lower space reaches the standard of predetermineeing, stops supplying water. Because the upper end of barrel is equipped with the nitrogen seal water tank connector with the space intercommunication in top, nitrogen seal water tank connector passes through external pipeline and is connected with the side connector on the nitrogen seal water tank, when the ultrapure water level in the nitrogen seal water tank risees, the pressure in the nitrogen seal water tank risees, nitrogen gas in the nitrogen seal water tank is through external pipeline input to the space in top in the barrel, again enter into the ultrapure water in space below through communicating pipe, the atmospheric pressure value in the space below is too high, nitrogen gas just bleeds through the form that ultrapure water bleed, owing to be equipped with on the barrel with the nitrogen gas exhaust pipe of space intercommunication in below, nitrogen gas that bleeds rises and discharges through the nitrogen gas exhaust pipe, the nitrogen gas exhaust pipe needs to be connected outdoors through the pipeline. According to the technical scheme, the physical water seal is formed in the space below, nitrogen is naturally discharged through the physical water seal, accurate control of the air pressure of the liquid level meter in the nitrogen seal water tank is not needed, and the use reliability is higher. When the ultrapure water level in the nitrogen seal water tank is reduced, the pressure in the nitrogen seal water tank is reduced, nitrogen needs to be supplemented, the nitrogen inlet valve is used for being connected with a nitrogen inlet pipe, and the nitrogen is directly input into the nitrogen seal water tank through a nitrogen seal water tank connecting port and an external pipeline communicated with the upper space after entering the upper space until the pressure in the nitrogen seal water tank reaches a preset value. Because the lower extreme of barrel is equipped with the overflow pipe with below space intercommunication, in the ultrapure water liquid level in the nitrogen seal water tank exceeded the default, the accessible external pipeline, nitrogen seal water tank connector input is in the top space of barrel, the rethread communicating pipe is discharged to the below space, rethread overflow pipe is discharged unnecessary ultrapure water, when nitrogen seal water tank water level overrun, can realize the natural overflow discharge of overrun ultrapure water in the nitrogen seal water tank under the prerequisite that does not change the nitrogen seal water tank, thereby solve nitrogen seal water tank because of the liquid level response is malfunctioning, lack overflow arrangement, make nitrogen seal water tank superpressure cracked problem easily. In addition, when the pipeline or the container generates negative pressure due to the operation or stop of the system, the negative pressure prevention valve can be automatically opened to destroy the vacuum effect, so that the nitrogen seal water tank is not deformed or leaked, and the safety of equipment is protected.
To sum up, this technical scheme forms the physical water seal in the space of below, and through the natural nitrogen that unloads of physical water seal, need not to carry out accurate control to the level gauge atmospheric pressure in the nitrogen seal water tank, simple to use, reliable and stable, need not complicated control. The problems that the nitrogen sealing water tank is out of order due to liquid level sensing, an overflow device is absent, the nitrogen sealing water tank is easy to break due to overpressure, and the nitrogen sealing water tank is deformed or leaks due to faults are solved.
Further, in order to realize automatic moisturizing to suitable water yield, the water seal moisturizing mouth has connected gradually first pipeline, water level controller and second pipeline, first pipeline is located the top space, water level controller and second pipeline are located the below space, the export and the top space intercommunication of second pipeline. The water level controller can detect whether the water level of the lower space reaches a preset value or not, and water supplementing is stopped until the water level of the lower space reaches the preset value.
Furthermore, in order to improve the reliability of automatic water replenishing to proper water quantity, the water level controller is a floating ball water level controller, adopts the mechanical principle of floating ball lifting, and can realize accurate control of water quantity without an electromagnetic valve by pure mechanical physical automatic water replenishing.
Further, in order to be able to supplement ultrapure water to the nitrogen seal water tank, the upper end of nitrogen seal water tank is equipped with the ultrapure water inlet, ultrapure water inlet connection ultrapure water pipeline.
Furthermore, in order to achieve better communication effect, two communication pipes are symmetrically arranged on the partition plate.
Further, in order to facilitate the installation of the inner structure and the outer structure of the cylinder, an upper sealing end plate is arranged at the upper end of the cylinder, a nitrogen sealing water tank connecting port, a nitrogen inlet valve and a negative pressure prevention valve are arranged on the upper sealing end plate, a lower sealing end plate is arranged at the lower end of the cylinder, an overflow pipe is arranged on the lower sealing end plate, and the upper end of the overflow pipe is communicated with a lower space.
Further, in order to promote the structural stability of overflow pipe, the middle part of baffle is equipped with the butt joint seat, coaxial coupling has big sleeve pipe on the butt joint seat, be equipped with the lasso between big sheathed tube lower extreme and the overflow pipe, the upper end of overflow pipe is located big sleeve pipe, circumference is equipped with a plurality of overflow passageway on the lasso, overflow passageway intercommunication below space and big sleeve pipe are inside.
Further, in order to facilitate later maintenance, a manual evacuation valve is arranged on the lower sealing end plate.
Further, in order to ensure the sealing effect in the cylinder, sealing gaskets are arranged between the upper sealing end plate and the cylinder and between the lower sealing end plate and the cylinder.
Further, in order to facilitate the installation of the controller and the nitrogen exhaust pipe and promote the exhaust effect, the upper sealing plate is provided with the controller, the nitrogen exhaust pipe is an L-shaped pipe, the exhaust end of the L-shaped pipe is positioned at the upper position of the cylinder body, and the air inlet end of the L-shaped pipe is communicated with the space below.
The utility model has the beneficial effects that the inside of the cylinder body is divided into the upper space and the lower space by the partition board, the space in the cylinder body is isolated by the partition board, the partition board is provided with the communicating pipe, the upper space and the lower space are communicated by the communicating pipe, and the upper space and the lower space can be communicated by the arrangement of the communicating pipe. Because be equipped with the water seal moisturizing mouth of a river with the upper space intercommunication on the barrel, the water seal moisturizing mouth of a river is used for connecting ultrapure water pipeline, when this water seal device was used for the first time, pour into a certain amount of ultrapure water into in the barrel through the water seal moisturizing mouth, and the water seal moisturizing mouth of a river introduces the ultrapure water into the upper space, and when the water level exceeded the upper end of communicating pipe in the upper space, in the ultrapure water rethread communicating pipe enters into the lower space, until the water level in the lower space reaches the standard of predetermineeing, stops supplying water. Because the upper end of barrel is equipped with the nitrogen seal water tank connector with the space intercommunication in top, nitrogen seal water tank connector passes through external pipeline and is connected with the side connector on the nitrogen seal water tank, when the ultrapure water level in the nitrogen seal water tank risees, the pressure in the nitrogen seal water tank risees, nitrogen gas in the nitrogen seal water tank is through external pipeline input to the space in top in the barrel, again enter into the ultrapure water in space below through communicating pipe, the atmospheric pressure value in the space below is too high, nitrogen gas just bleeds through the form that ultrapure water bleed, owing to be equipped with on the barrel with the nitrogen gas exhaust pipe of space intercommunication in below, nitrogen gas that bleeds rises and discharges through the nitrogen gas exhaust pipe, the nitrogen gas exhaust pipe needs to be connected outdoors through the pipeline. According to the technical scheme, the physical water seal is formed in the space below, nitrogen is naturally discharged through the physical water seal, accurate control of the air pressure of the liquid level meter in the nitrogen seal water tank is not needed, and the use reliability is higher. When the ultrapure water level in the nitrogen seal water tank is reduced, the pressure in the nitrogen seal water tank is reduced, nitrogen needs to be supplemented, the nitrogen inlet valve is used for being connected with a nitrogen inlet pipe, and the nitrogen is directly input into the nitrogen seal water tank through a nitrogen seal water tank connecting port and an external pipeline communicated with the upper space after entering the upper space until the pressure in the nitrogen seal water tank reaches a preset value. Because the lower extreme of barrel is equipped with the overflow pipe with below space intercommunication, in the ultrapure water liquid level in the nitrogen seal water tank exceeded the default, the accessible external pipeline, nitrogen seal water tank connector input is in the top space of barrel, the rethread communicating pipe is discharged to the below space, rethread overflow pipe is discharged unnecessary ultrapure water, when nitrogen seal water tank water level overrun, can realize the natural overflow discharge of overrun ultrapure water in the nitrogen seal water tank under the prerequisite that does not change the nitrogen seal water tank, thereby solve nitrogen seal water tank because of the liquid level response is malfunctioning, lack overflow arrangement, make nitrogen seal water tank superpressure cracked problem easily. In addition, when the pipeline or the container generates negative pressure due to the operation or stop of the system, the negative pressure prevention valve can be automatically opened to destroy the vacuum effect, so that the nitrogen seal water tank is not deformed or leaked, and the safety of equipment is protected.
To sum up, this technical scheme forms the physical water seal in the space of below, and through the natural nitrogen that unloads of physical water seal, need not to carry out accurate control to the level gauge atmospheric pressure in the nitrogen seal water tank, simple to use, reliable and stable, need not complicated control. The problems that the nitrogen sealing water tank is out of order due to liquid level sensing, an overflow device is absent, the nitrogen sealing water tank is easy to break due to overpressure, and the nitrogen sealing water tank is deformed or leaks due to faults are solved.
Drawings
FIG. 1 is a schematic diagram of the connection of the present utility model to a nitrogen block tank;
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is a schematic cross-sectional view of the present utility model;
FIG. 4 is a schematic view of the structure of the present utility model at a first view angle;
FIG. 5 is a schematic view of the structure of the present utility model at a second view angle;
fig. 6 is a schematic view of the structure of the present utility model at a third view angle.
The device comprises a cylinder body 1, a partition plate 2, a communicating pipe 3, an upper space 4, a lower space 5, a nitrogen sealing water tank connecting port 6, a nitrogen inlet valve 7, a negative pressure prevention valve 8, a nitrogen sealing water tank 9, an external pipeline 10, a side connecting port 11, a nitrogen inlet pipe 12, an overflow pipe 13, a water sealing water supplementing port 14, an ultrapure water pipeline 15, a nitrogen exhaust pipe 16, a first pipeline 17, a water level controller 18, a second pipeline 19, an ultrapure water inlet 20, an upper sealing end plate 21, a lower sealing end plate 22, a butt joint seat 23, a large sleeve 24, a sleeve ring 25, an overflow channel 26, a manual emptying valve 27, a sealing gasket 28 and a controller 29.
Detailed Description
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the drawings is only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art. It should be noted that the description of these examples is for aiding in understanding the present utility model, but is not intended to limit the present utility model.
Example 1:
as shown in fig. 1-6, the present embodiment provides an ultrapure water nitrogen seal multifunctional water seal device, which comprises a cylinder 1, wherein a partition board 2 is arranged in the cylinder 1, the partition board 2 divides the cylinder 1 into an upper space 4 and a lower space 5, a communicating pipe 3 is arranged on the partition board 2, and the communicating pipe 3 is communicated with the upper space 4 and the lower space 5;
The upper end of the cylinder body 1 is provided with a nitrogen sealing water tank connector 6 communicated with the upper space 4, a nitrogen inlet valve 7 and an anti-negative pressure valve 8, the nitrogen sealing water tank connector 6 is connected with a side connector 11 on the nitrogen sealing water tank 9 through an external pipeline 10, the nitrogen inlet valve 7 is used for being connected with a nitrogen inlet pipe 12, and the lower end of the cylinder body 1 is provided with an overflow pipe 13 communicated with the lower space 5;
The cylinder 1 is provided with a water seal water supplementing port 14 communicated with the upper space 4, the water seal water supplementing port 14 is used for being connected with an ultrapure water pipeline 15, and the cylinder 1 is provided with a nitrogen exhaust pipe 16 communicated with the lower space 5.
According to the technical scheme, the partition board 2 separates the interior of the cylinder body 1 into the upper space 4 and the lower space 5, the partition board 2 isolates the space in the cylinder body 1, the partition board 2 is provided with the communicating pipe 3, the communicating pipe 3 is communicated with the upper space 4 and the lower space 5, and the communication of the upper space 4 and the lower space 5 can be realized through the arrangement of the communicating pipe 3. Because be equipped with on the barrel 1 with the water seal moisturizing mouth 14 of upper space 4 intercommunication, water seal moisturizing mouth 14 is used for connecting ultrapure water pipeline 15, when this water seal arrangement was used for the first time, pour into a certain amount of ultrapure water into in barrel 1 through water seal moisturizing mouth 14, water seal moisturizing mouth 14 introduces ultrapure water into upper space 4, when the water level in upper space 4 exceeded the upper end of communicating pipe 3, in the ultrapure water rethread communicating pipe 3 enters into lower space 5, until the water level in lower space 5 reaches the preset standard, stops supplying water. Because the upper end of barrel 1 is equipped with nitrogen seal water tank connector 6 with space 4 above, nitrogen seal water tank connector 6 is connected with the side connector 11 on the nitrogen seal water tank 9 through external pipeline 10, when the ultrapure water level in nitrogen seal water tank 9 risees, the pressure in nitrogen seal water tank 9 risees, nitrogen gas in the nitrogen seal water tank 9 is input to space 4 above in barrel 1 through external pipeline 10, again enter into the ultrapure water of space 5 below through communicating pipe 3, the atmospheric pressure value in space 5 below is too high, nitrogen gas just bleeds through the form of bubbling, owing to be equipped with nitrogen exhaust pipe 16 with space 5 below intercommunication on barrel 1, nitrogen gas that bleeds rises and discharges through nitrogen exhaust pipe 16, nitrogen exhaust pipe 16 needs to be connected to the outdoor through the pipeline. According to the technical scheme, the physical water seal is formed in the lower space 5, nitrogen is naturally discharged through the physical water seal, accurate control of the air pressure of the liquid level meter in the nitrogen sealing water tank 9 is not needed, and the use reliability is higher. When the ultrapure water level in the nitrogen seal water tank 9 is reduced, the pressure in the nitrogen seal water tank 9 is reduced, nitrogen needs to be supplemented, the nitrogen inlet valve 7 is used for being connected with the nitrogen inlet pipe 12, and the nitrogen is directly input into the nitrogen seal water tank 9 through the nitrogen seal water tank connecting port 6 and the external pipeline 10 communicated with the upper space 4 after entering the upper space 4 until the pressure in the nitrogen seal water tank 9 reaches a preset value. Because the lower extreme of barrel 1 is equipped with the overflow pipe 13 with space 5 below intercommunication, when the ultrapure water level in the nitrogen seal water tank 9 exceeds the default, in the upper space 4 of barrel 1 is input to accessible external pipeline 10, nitrogen seal water tank connector 6, rethread communicating pipe 3 is discharged to space 5 below, rethread overflow pipe 13 discharges unnecessary ultrapure water, when nitrogen seal water tank 9 water level overrun, can realize the natural overflow of ultra-limited ultrapure water in the nitrogen seal water tank 9 under the prerequisite that does not change nitrogen seal water tank 9 discharges, thereby solve nitrogen seal water tank 9 because of the liquid level response is malfunctioning, lack overflow arrangement, make nitrogen seal water tank 9 superpressure rupture's problem easily. In addition, when the pipeline or the container generates negative pressure due to the operation or the stop of the system, the negative pressure prevention valve 8 can be automatically opened to destroy the vacuum effect, so that the nitrogen seal water tank 9 is not deformed or leaked, and the safety of equipment is protected.
To sum up, this technical scheme forms the physical water seal in space 5 below, through the natural nitrogen that unloads of physical water seal, need not to carry out accurate control to the level gauge atmospheric pressure in the nitrogen seal water tank 9, and simple to use is reliable and stable, need not complicated control. And solves the problems that the nitrogen sealing water tank 9 is broken by overpressure due to the failure of liquid level sensing and lack of an overflow device, and the nitrogen sealing water tank 9 is deformed or leaked due to faults.
Example 2:
This example was optimized based on example 1 above.
In order to realize automatic water replenishment to proper water quantity, the water seal water replenishment port 14 is sequentially connected with a first pipeline 17, a water level controller 18 and a second pipeline 19, wherein the first pipeline 17 is positioned in the upper space 4, the water level controller 18 and the second pipeline 19 are positioned in the lower space 5, and the outlet of the second pipeline 19 is communicated with the upper space 4. The water level controller 18 may detect whether the water level of the lower space 5 reaches a preset value, and stop the water supply until the water level of the lower space 5 reaches the preset value.
Example 3:
this example was optimized based on example 2 above.
In order to improve the reliability of automatic water replenishment to proper water quantity, the water level controller 18 is a floating ball water level controller 18, adopts the mechanical principle of floating ball lifting, and realizes accurate control of water quantity without an electromagnetic valve by pure mechanical physical automatic water replenishment. Specifically, this device is seal structure, and when first use, with water seal moisturizing mouth 14 and ultrapure water pipeline 15 intercommunication, can realize automatic moisturizing, and this in-process, the interior water level of below space reaches the floater of floater water level controller 18 and rises, and first pipeline 17 and second pipeline 19 do not communicate to realize the accurate control to the below airborne water level.
Example 4:
This example was optimized based on example 1 above.
In order to supplement ultrapure water to the nitrogen seal tank 9, the upper end of the nitrogen seal tank 9 is provided with an ultrapure water inlet 20, and the ultrapure water inlet 20 is connected with an ultrapure water pipeline 15.
Example 5:
This example was optimized based on example 1 above.
In order to achieve a better communication effect, two communication pipes 3 are symmetrically arranged on the partition board 2.
Example 6:
This example was optimized based on example 1 above.
In order to facilitate the installation of the internal structure and the external structure of the cylinder 1, the upper end of the cylinder 1 is provided with an upper sealing end plate 21, the nitrogen sealing water tank connection port 6, the nitrogen inlet valve 7 and the negative pressure prevention valve 8 are arranged on the upper sealing end plate 21, the lower end of the cylinder 1 is provided with a lower sealing end plate 22, the overflow pipe 13 is arranged on the lower sealing end plate 22, and the upper end of the overflow pipe 13 is communicated with the lower space 5.
Example 7:
This example was optimized based on example 6 above.
In order to improve the structural stability of the overflow pipe 13, the middle part of the partition plate 2 is provided with a butt joint seat 23, a large sleeve 24 is coaxially connected to the butt joint seat 23, a ferrule 25 is arranged between the lower end of the large sleeve 24 and the overflow pipe 13, the upper end of the overflow pipe 13 is positioned in the large sleeve 24, a plurality of overflow channels 26 are circumferentially arranged on the ferrule 25, and the overflow channels 26 are communicated with the space 5 below and the inside of the large sleeve 24.
Example 8:
This example was optimized based on example 6 above.
For convenience of later maintenance, a manual drain valve 27 is provided on the lower sealing end plate 22, and when maintenance is required, water in the lower space 5 is drained by opening the manual drain valve 27.
Example 9:
This example was optimized based on example 6 above.
In order to ensure the sealing effect in the cylinder 1, sealing gaskets 28 are arranged between the upper sealing end plate 21 and the lower sealing end plate 22 and the cylinder 1.
Example 10:
This example was optimized based on example 6 above.
In order to facilitate the installation of the controller 29 and the nitrogen exhaust pipe 16 and promote the exhaust effect, the upper sealing plate is provided with the controller 29, the nitrogen exhaust pipe 16 is an L-shaped pipe, the exhaust end of the L-shaped pipe is positioned at the upper position of the cylinder body 1, and the air inlet end of the L-shaped pipe is communicated with the lower space 5.
The water seal device realizes automatic nitrogen inlet and natural physical nitrogen leakage through water seal pure physical pressure relief, integrates negative pressure prevention function, and effectively prevents ultrapure water from contacting air. And the device has pure mechanical physical automatic water supplementing, and when the water level of the nitrogen seal water tank 9 exceeds the limit, the device can realize natural overflow and discharge of the excess water under the precondition that the nitrogen seal water tank 9 is not changed. The device integrates the functions of automatic nitrogen inlet, physical nitrogen leakage, negative suction prevention and overrun overflow prevention, is simple to use, stable and reliable, and does not need complex control.
Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the scope of the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The ultrapure water nitrogen seal multifunctional water seal device is characterized by comprising a cylinder body, wherein a partition plate is arranged in the cylinder body, the inside of the cylinder body is divided into an upper space and a lower space by the partition plate, a communicating pipe is arranged on the partition plate, and the communicating pipe is communicated with the upper space and the lower space;
The upper end of the cylinder is provided with a nitrogen sealing water tank connector communicated with the upper space, a nitrogen inlet valve and an anti-negative pressure valve, the nitrogen sealing water tank connector is connected with a side connector on the nitrogen sealing water tank through an external pipeline, the nitrogen inlet valve is used for being connected with a nitrogen inlet pipe, and the lower end of the cylinder is provided with an overflow pipe communicated with the lower space;
The cylinder is provided with a water seal water supplementing port communicated with the space above, the water seal water supplementing port is used for being connected with an ultrapure water pipeline, and the cylinder is provided with a nitrogen exhaust pipe communicated with the space below.
2. The ultrapure water nitrogen seal multifunctional water seal device of claim 1, wherein the water seal water supplementing port is sequentially connected with a first pipeline, a water level controller and a second pipeline, the first pipeline is positioned in an upper space, the water level controller and the second pipeline are positioned in a lower space, and an outlet of the second pipeline is communicated with the upper space.
3. The ultrapure water nitrogen seal multifunctional water seal device as claimed in claim 2, wherein the water level controller is a floating ball water level controller.
4. The multifunctional water seal device for the nitrogen seal of the ultra-pure water according to claim 1, wherein the ultra-pure water inlet is arranged at the upper end of the nitrogen seal water tank and is connected with an ultra-pure water pipeline.
5. The ultrapure water nitrogen seal multifunctional water seal device as recited in claim 1, wherein two communicating pipes are symmetrically arranged on the partition board.
6. The ultrapure water nitrogen seal multifunctional water seal device of claim 1, wherein an upper sealing end plate is arranged at the upper end of the cylinder, the nitrogen seal water tank connection port, the nitrogen inlet valve and the negative pressure prevention valve are arranged on the upper sealing end plate, a lower sealing end plate is arranged at the lower end of the cylinder, the overflow pipe is arranged on the lower sealing end plate, and the upper end of the overflow pipe is communicated with a lower space.
7. The ultrapure water nitrogen seal multifunctional water seal device according to claim 6, wherein the middle part of the partition plate is provided with a butt joint seat, the butt joint seat is coaxially connected with a large sleeve, a ferrule is arranged between the lower end of the large sleeve and an overflow pipe, the upper end of the overflow pipe is positioned in the large sleeve, a plurality of overflow channels are circumferentially arranged on the ferrule, and the overflow channels are communicated with the space below the large sleeve.
8. The ultrapure water nitrogen seal multifunctional water seal device as recited in claim 6, wherein the lower sealing end plate is provided with a manual emptying valve.
9. The ultrapure water nitrogen seal multifunctional water seal device as recited in claim 6, wherein sealing gaskets are arranged between the upper sealing end plate and the cylinder body and between the lower sealing end plate and the cylinder body.
10. The ultrapure water nitrogen seal multifunctional water seal device as recited in claim 6, wherein the upper sealing end plate is provided with a controller, the nitrogen exhaust pipe is an L-shaped pipe, the exhaust end of the L-shaped pipe is positioned at the upper position of the cylinder, and the air inlet end of the L-shaped pipe is communicated with the lower space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202521195431.8U CN224150228U (en) | 2025-06-11 | 2025-06-11 | Ultrapure water nitrogen seal multifunctional water seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202521195431.8U CN224150228U (en) | 2025-06-11 | 2025-06-11 | Ultrapure water nitrogen seal multifunctional water seal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN224150228U true CN224150228U (en) | 2026-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202521195431.8U Active CN224150228U (en) | 2025-06-11 | 2025-06-11 | Ultrapure water nitrogen seal multifunctional water seal device |
Country Status (1)
| Country | Link |
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| CN (1) | CN224150228U (en) |
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- 2025-06-11 CN CN202521195431.8U patent/CN224150228U/en active Active
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