CN219676903U - Inflation pressure stabilizing device and high-temperature gas cooled reactor passive waste heat discharging system - Google Patents
Inflation pressure stabilizing device and high-temperature gas cooled reactor passive waste heat discharging system Download PDFInfo
- Publication number
- CN219676903U CN219676903U CN202321238214.3U CN202321238214U CN219676903U CN 219676903 U CN219676903 U CN 219676903U CN 202321238214 U CN202321238214 U CN 202321238214U CN 219676903 U CN219676903 U CN 219676903U
- Authority
- CN
- China
- Prior art keywords
- nitrogen
- nitrogen charging
- pipe
- valve
- charging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007599 discharging Methods 0.000 title claims abstract description 35
- 230000000087 stabilizing effect Effects 0.000 title claims abstract description 34
- 239000007789 gas Substances 0.000 title claims abstract description 25
- 239000002918 waste heat Substances 0.000 title claims abstract description 23
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 388
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 188
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000002184 metal Substances 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims description 2
- 238000011105 stabilization Methods 0.000 claims description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 12
- 239000007788 liquid Substances 0.000 description 12
- 230000001502 supplementing effect Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model provides an inflation pressure stabilizing device and a high-temperature gas cooled reactor passive waste heat discharging system, and belongs to high-temperature gas cooled reactor passive waste heat discharging systems. A aerify voltage stabilizing device for passive waste heat discharge system of high temperature gas cooled piles includes: the first nitrogen charging pipe is connected with the nitrogen charging joint, the first end of the first nitrogen charging pipe is connected with the expansion water tank of the waste heat discharging system, and the second end of the first nitrogen charging pipe is connected with the nitrogen bottle for charging nitrogen into the expansion water tank; the nitrogen charging connector is arranged on the first nitrogen charging pipe, so that when nitrogen is required to be charged into the expansion tank, the nitrogen cylinder is communicated with the first nitrogen charging pipe through the nitrogen charging connector, a temporary hose, a reducing connector and the like are not required to be added after a nitrogen charging valve of the expansion tank, and the problems of complex operation, long time consumption, easy leakage of a temporary pipeline, high-altitude operation and the like are solved.
Description
Technical Field
The utility model belongs to the technical field of high-temperature gas cooled reactor passive waste heat discharge systems, and particularly relates to an inflation pressure stabilizing device of a high-temperature gas cooled reactor passive waste heat discharge system and the high-temperature gas cooled reactor passive waste heat discharge system.
Background
The waste heat discharging system of the high temperature gas cooled reactor is composed of a plurality of independent closed natural circulating water heat exchanging systems, and is used for executing the cooling function of the reactor cabin chamber during the normal operation of the reactor, and carrying out the residual heat of the reactor to the atmosphere under the accident condition so as to ensure that the temperature of the fuel, the internal components of the reactor and the pressure vessel of the reactor is lower than the specified limit value.
Each set of waste heat discharging system is provided with an expansion water tank, and a certain pressure is maintained in the expansion water tank by filling nitrogen during normal operation, and the pressure range is between 0.25 and 0.4 MPa. Nitrogen in an expansion tank of the waste heat discharging system is required to be refilled after the operation is performed for the first time, the operation is performed after maintenance, the water quality of the system is replaced regularly, and the system is required to be slightly leaked after long-term operation, and a temporary plastic hose, a pressure reducing valve and a reducing joint are additionally arranged by maintenance personnel when the nitrogen is filled each time, so that the problems of high-altitude operation risk, complex operation, long time consumption, easiness in nitrogen leakage of a temporary interface and the like exist; in addition, when needing to fill nitrogen gas, still need the operation personnel transport and fix the nitrogen cylinder, fixed mode loaded down with trivial details, consuming time are long, need many people to cooperate, consume more manpower and time, have increased running cost.
Disclosure of Invention
The utility model aims to at least solve one of the technical problems in the prior art, and provides an inflation pressure stabilizing device of a high-temperature gas cooled reactor passive waste heat discharging system and the high-temperature gas cooled reactor passive waste heat discharging system, so that the problems that a temporary hose and a reducing joint are required to be added when nitrogen is inflated, and risks of nitrogen leakage, high-altitude operation and the like exist are mainly solved.
In one aspect of the present utility model, there is provided an air-filled pressure stabilizing device for a passive residual heat removal system of a high temperature gas cooled reactor, the air-filled pressure stabilizing device comprising:
the first end of the first nitrogen charging pipe is connected with an expansion water tank of the waste heat discharging system, and the second end of the first nitrogen charging pipe is connected with a nitrogen bottle for charging nitrogen into the expansion water tank;
and the nitrogen charging connector is arranged on the first nitrogen charging pipe, so that the nitrogen cylinder is communicated with the first nitrogen charging pipe through the nitrogen charging connector when nitrogen needs to be charged into the expansion water tank.
Optionally, the nitrogen-filled joint adopts a quick joint.
Optionally, the first nitrogen charging pipe adopts a metal hose with a quick connector
Optionally, the inflatable pressure stabilizing device further comprises a fixing support, and the nitrogen cylinder is detachably fixed in the fixing support.
Optionally, a first nitrogen charging valve is disposed on the first nitrogen charging pipe, and the first nitrogen charging valve is located between the nitrogen charging joint and the first end of the first nitrogen charging pipe, so as to open the first nitrogen charging valve when the expansion tank needs to be charged with nitrogen.
Optionally, the first nitrogen charging valve adopts a needle valve.
Optionally, a pressure gauge is further arranged on the first nitrogen charging pipe, and the pressure gauge is located between the first nitrogen charging valve and the nitrogen charging joint.
Optionally, a pressure reducing valve is further disposed on the first nitrogen charging pipe, and the pressure reducing valve is located between the nitrogen charging joint and the second end of the first nitrogen charging pipe, so as to reduce the pressure in the first nitrogen charging pipe to a preset pressure value.
Optionally, the inflation pressure stabilizing device further comprises a first deflation drain pipe connected with the expansion water tank.
In another aspect of the present utility model, a passive residual heat removal system for a high temperature gas cooled reactor is provided, including an expansion tank and an inflation pressure stabilizing device, where the inflation pressure stabilizing device adopts the inflation pressure stabilizing device described above; wherein,,
the expansion water tank is provided with a second nitrogen filling pipe and a second air discharging drain pipe, one end of the second nitrogen filling pipe is connected with the expansion water tank, the other end of the second nitrogen filling pipe is connected with the first nitrogen filling pipe, and a second nitrogen filling valve is arranged on the second nitrogen filling pipe;
one end of the second air discharging drain pipe is connected with the expansion water tank, the other end of the second air discharging drain pipe is connected with the first air discharging drain pipe, and a first air discharging valve is arranged on the second air discharging drain pipe.
The utility model provides an inflation pressure stabilizing device and a high-temperature gas cooled reactor passive waste heat discharging system, which comprises the following components: the first nitrogen charging pipe is connected with the nitrogen charging joint, the first end of the first nitrogen charging pipe is connected with the expansion water tank of the waste heat discharging system, and the second end of the first nitrogen charging pipe is connected with the nitrogen bottle for charging nitrogen into the expansion water tank; the nitrogen charging connector is arranged on the first nitrogen charging pipe, so that when nitrogen is required to be charged into the expansion tank, the nitrogen cylinder is communicated with the first nitrogen charging pipe through the nitrogen charging connector, a temporary hose, a reducing connector and the like are not required to be added after a nitrogen charging valve of the expansion tank, and the problems of complex operation, long time consumption, easy leakage of a temporary pipeline, high-altitude operation and the like are solved.
Drawings
Fig. 1 is a schematic structural diagram of an inflation pressure stabilizing device and a passive residual heat removal system of a high-temperature gas cooled reactor according to an embodiment of the present utility model.
Detailed Description
The present utility model will be described in further detail below with reference to the drawings and detailed description for the purpose of better understanding of the technical solution of the present utility model to those skilled in the art. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present utility model belong to the protection scope of the present utility model.
Unless specifically stated otherwise, technical or scientific terms used herein should be defined in the general sense as understood by one of ordinary skill in the art to which this utility model belongs. The use of "including" or "comprising" and the like in the present utility model does not limit the steps, acts, operations and/or groups thereof mentioned nor preclude the presence or addition of one or more other distinct steps, acts, operations and/or groups thereof. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or order of the indicated features.
In some descriptions of the present utility model, unless specifically stated and limited otherwise, the terms "mounted," "connected," or "fixed" and the like are not limited to a physical or mechanical connection, but may include an electrical connection, whether direct or indirect through an intervening medium, that is internal to two elements or an interaction relationship between the two elements.
As shown in fig. 1, in one aspect of the present utility model, an inflation and voltage stabilization device for a passive residual heat removal system of a high temperature gas cooled reactor is provided, including: the first nitrogen charging pipe 17 is connected with the nitrogen charging joint 24, the first end of the first nitrogen charging pipe 17 is connected with the expansion tank 3 of the waste heat discharging system, and the second end of the first nitrogen charging pipe is connected with the nitrogen cylinder 4 for charging nitrogen into the expansion tank 3; the nitrogen charge joint 24 is provided on the first nitrogen charge pipe 17 so that the nitrogen cylinder 4 is connected to the first nitrogen charge pipe 17 through the nitrogen charge joint 24 when it is necessary to charge nitrogen into the expansion tank 3.
In this embodiment, through setting up fixed first nitrogen filling pipe and nitrogen filling joint, can realize when needs are to the expansion tank nitrogen filling, directly utilize nitrogen filling joint with nitrogen cylinder and nitrogen filling pipe intercommunication to fill nitrogen gas in the expansion tank, the leakproofness is better, need not to increase interim hose after expansion tank's nitrogen filling valve, reducing joint etc. in order to avoid taking place nitrogen leakage risk and overhead operation risk.
In some preferred embodiments, the nitrogen charging adapter employs a quick connect to enable the first nitrogen charging tube to be connected or disconnected without tools.
In other preferred embodiments, the first nitrogen-filled tube may be a metal hose with a quick-fitting, which may provide increased service life and increased tightness of the tubing relative to currently available plastic hoses.
Further, as shown in fig. 1, the inflation pressure stabilizing device further comprises a fixing bracket 5, the nitrogen cylinder 4 is detachably fixed in the fixing bracket 5, and when nitrogen is required to be inflated into the expansion tank, the nitrogen cylinder is fixed on the fixing bracket so as to prevent the risk of toppling over of the nitrogen cylinder, and when the nitrogen cylinder needs to be replaced, the nitrogen cylinder is taken out from the fixing bracket without manually fixing the nitrogen cylinder, so that the operation risk is reduced.
In the present embodiment, the structure of the fixing bracket is not particularly limited, as long as the fixing of the nitrogen gas cylinder can be achieved and the nitrogen gas cylinder can be easily put in and taken out, for example, an annular fixing bracket is provided, and the middle upper part of the nitrogen gas cylinder is clamped on the annular fixing bracket so as to prevent the nitrogen gas cylinder from toppling over; for another example, a groove-type fixing bracket is provided, and the nitrogen cylinder is accommodated on the groove-type fixing bracket, etc., of course, a sleeve fixing structure, etc. may be provided, and this is not particularly limited.
Further, as shown in fig. 1, a first nitrogen charging valve 20 is disposed on the first nitrogen charging pipe 17, and the first nitrogen charging valve 20 is located between the nitrogen charging joint 24 and the first end of the first nitrogen charging pipe 17, so that when the nitrogen needs to be charged into the expansion tank 3, the first nitrogen charging valve 20 is opened, that is, the first nitrogen charging valve is located between the nitrogen charging joint and the expansion tank, and the opening and closing of the first nitrogen charging valve can control the nitrogen charging into the expansion tank or the nitrogen charging stop.
In some preferred embodiments, the first nitrogen charging valve is a needle valve, and the opening and closing of the first nitrogen charging pipeline can be accurately adjusted.
Further, as shown in fig. 1, a pressure gauge 18 is further disposed on the first nitrogen charging pipe 17, and the pressure gauge 18 is located between the first nitrogen charging valve 20 and the nitrogen charging joint 24, and is used for detecting a pressure signal in the first nitrogen charging pipe 17, that is, detecting a pressure provided by the nitrogen cylinder.
Further, as shown in fig. 1, a pressure reducing valve 19 is further disposed on the first nitrogen charging pipe 17, and the pressure reducing valve 19 is located between the nitrogen charging joint 24 and the second end of the first nitrogen charging pipe 17 to reduce the pressure provided by the nitrogen cylinder 4 to a preset pressure value. That is, the pressure reducing valve is positioned between the nitrogen cylinder and the nitrogen charging fitting so that the pressure in the first nitrogen charging pipe is balanced with the pressure in the expansion tank to maintain the system stable.
Further, as shown in fig. 1, in the present embodiment, the inflation pressure stabilizing apparatus further includes a first deflation drain pipe 25 connected to the expansion tank 3, and when the gas in the expansion tank 3 needs to be exhausted, the first deflation drain pipe 25 is used for exhausting.
It should be appreciated that in this embodiment, the other end of the first bleed drain pipe may be connected to a water collecting device or a water delivery device, for example, as shown in fig. 1, the other end of the first bleed drain pipe 25 is connected to the floor drain 16, and is discharged to a water delivery pipe.
The inflatable stabilizing device provided by the utility model has a simple structure, is simple and safe to operate when the expansion water tank is inflated with nitrogen, avoids the work of adding the temporary hose and the reducing joint, further avoids the risk of nitrogen leakage and the risk of high-altitude operation, and can prevent the nitrogen cylinder from toppling over based on the fixed support.
As shown in fig. 1, another aspect of the present utility model provides a passive residual heat removal system for a high temperature gas cooled reactor, which includes an expansion tank 3 and the inflation pressure stabilizing device described above; the expansion tank 3 is provided with a second nitrogen charging pipe 26, one end of the second nitrogen charging pipe 26 is connected with the expansion tank 3, the other end of the second nitrogen charging pipe 26 is connected with the first nitrogen charging pipe 17 in the inflation pressure stabilizing device, and the second nitrogen charging pipe 26 is provided with a second nitrogen charging valve 9, namely the second nitrogen charging valve can control the on-off of a second nitrogen charging pipeline.
Further, as shown in fig. 1, a second air discharge drain pipe 27 is further disposed on the expansion tank 3, one end of the second air discharge drain pipe 27 is connected to the expansion tank 3, the other end is connected to the first air discharge drain pipe 25 in the air-filling and pressure-stabilizing device, and a first air discharge valve 8 is disposed on the second air discharge drain pipe 27, i.e. the first air discharge valve can control on-off of the second air discharge drain pipe.
Further, as shown in fig. 1, the passive residual heat removal system of the high temperature gas cooled reactor further comprises a discharge pipeline connected with the expansion water tank 3, and a safety valve 7 is arranged on the discharge pipeline, and the safety valve is used for coping with the overpressure risk.
Still further, as shown in fig. 1, the passive residual heat removal system of the high temperature gas cooled reactor further comprises a first liquid level meter root valve 21 and a second liquid level meter root valve 22 connected with the expansion tank 3, and a liquid level meter 23 respectively connected with the first liquid level meter root valve 21 and the second liquid level meter root valve 22, wherein the first liquid level meter root valve 21 corresponds to a high liquid level in the expansion tank 3, the second liquid level meter root valve 22 corresponds to a low liquid level in the expansion tank 3, the liquid level meter 23 is used for detecting the liquid level of the expansion tank 3, and water is replenished into the expansion tank 3 when the expansion tank 3 is insufficient.
Further, as shown in fig. 1, the passive residual heat removal system of the high temperature gas cooled reactor further comprises a pressure transmitter 10 and a pressure transmitter root valve 11 connected with the expansion water tank 3, and the pressure transmitter root valve is used for monitoring the water pressure and the water temperature in the expansion water tank.
Still further, as shown in fig. 1, the passive residual heat removal system of the high temperature gas cooled reactor further comprises a main water supply pipeline connected with the expansion tank 3, and a water cooling wall 1, an air cooler 2, a second exhaust valve 6, a water supplementing and draining valve 12, a draining valve 13, a sampling valve 14 and a water supplementing and draining valve 15 are arranged on the main water supply pipeline, so that when the water in the expansion tank 3 is insufficient, the water supplementing and draining valve 12 and the water supplementing and draining valve 15 connected with the water cooling wall are utilized, and the water in the expansion tank 3 can be sampled by the sampling valve 14.
It should be understood that, in general, a temporary hose, a reducing joint, etc. need to be added after the second nitrogen filling valve of the expansion tank to fill nitrogen into the expansion tank, however, based on the device provided in this embodiment, the first nitrogen filling pipe and the nitrogen filling joint are fixedly connected after the second nitrogen filling valve of the expansion tank, so as to replace the previous work of adding a temporary pipeline, etc., and have better sealing performance, so that nitrogen leakage is avoided, and the safety and the operation convenience of the system are improved.
The method of filling the expansion tank of the waste heat removal system with nitrogen will be further described in connection with several embodiments:
example 1
This example illustrates a case where the water level of the expansion tank is insufficient, including:
as shown in fig. 1, when the water level of the expansion tank is insufficient, the first exhaust valve 8 is first opened, then the water replenishing valve 15 and the water replenishing and discharging valve 12 are opened, water is replenished to the residual heat discharging system until the expansion tank 3 is full of water, the water replenishing valve 15 and the first exhaust valve 8 are closed, the nitrogen gas cylinder 4 is moved into the fixed bracket 5 and the nitrogen gas cylinder 4 is fixed, the nitrogen gas cylinder 4 and the first nitrogen charging pipe 17 are connected through the quick connector 24, the pressure of the pressure gauge 18 is adjusted to be about 0.35MPa by adjusting the pressure reducing valve 19, the first nitrogen charging valve 20 is opened, the water discharging valve 13 is slowly opened until the display value of the liquid level gauge 23 is about 1.1m, and the water replenishing and discharging valve 12 and the water discharging valve 13 are closed. After the displayed value of the pressure transmitter 10 is about 0.35MPa, the first nitrogen charging valve 20 and the pressure reducing valve 19 are closed. The nitrogen cylinder 4 can be removed and replaced by means of the quick connector 24 when the nitrogen cylinder is under pressure.
Example 2
This example is described by taking a case where the water level of the expansion tank satisfies the requirement but the pressure is insufficient as an example, and includes:
as shown in fig. 1, when the water level of the expansion tank 3 satisfies the requirement but the pressure is insufficient, the nitrogen gas cylinder 4 is first moved into the fixing bracket 5, the nitrogen gas cylinder 4 is fixed, the pressure of the pressure gauge 18 is adjusted to about 0.35MPa by the pressure reducing valve 19, the first nitrogen charging valve 20 is opened to charge nitrogen gas into the expansion tank 3, and when the display value of the pressure transmitter 10 is about 0.35MPa, the pressure reducing valve 19 is closed, and the first nitrogen charging valve 20 is closed. The nitrogen cylinder 4 can be removed and replaced by a quick connector 24 when the nitrogen cylinder 4 is under pressure.
The utility model provides an inflation pressure stabilizing device and a high-temperature gas cooled reactor passive waste heat discharging system, which have the following beneficial effects:
the inflatable stabilizing device is simple in structure, safe and simple to operate, avoids the need of adding a temporary hose and a reducing joint after a second nitrogen filling valve when the expansion tank is filled with nitrogen, also avoids the risk of easy leakage of the temporary hose and the joint, and further, can avoid the risk of high-place operation caused by assembling and disassembling the temporary hose and operating a valve at the top of the expansion tank; meanwhile, the device of the utility model also adds a fixing bracket for fixing the nitrogen cylinder so as to prevent the nitrogen cylinder from toppling over.
It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present utility model, but not in limitation thereof. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the utility model, and are also considered to be within the scope of the utility model.
Claims (10)
1. An inflatable pressure stabilizing device for a passive waste heat discharging system of a high-temperature gas cooled reactor, which is characterized in that the inflatable pressure stabilizing device comprises:
the first end of the first nitrogen charging pipe is connected with an expansion water tank of the waste heat discharging system, and the second end of the first nitrogen charging pipe is connected with a nitrogen bottle for charging nitrogen into the expansion water tank;
and the nitrogen charging connector is arranged on the first nitrogen charging pipe, so that the nitrogen cylinder is communicated with the first nitrogen charging pipe through the nitrogen charging connector when nitrogen needs to be charged into the expansion water tank.
2. The inflation pressure stabilizing apparatus of claim 1, wherein the nitrogen-charging connector is a quick connector.
3. The inflation and pressure stabilizing apparatus of claim 2, wherein the first nitrogen-filled tube is a metal hose with a quick connector.
4. The inflation pressure stabilizing apparatus of claim 1, further comprising a fixed bracket, wherein the nitrogen cylinder is removably secured within the fixed bracket.
5. The inflation and stabilization device according to any one of claims 1 to 4, wherein a first nitrogen charging valve is provided on the first nitrogen charging pipe, the first nitrogen charging valve being located between the nitrogen charging joint and the first end of the first nitrogen charging pipe to open the first nitrogen charging valve when nitrogen charging into the expansion tank is required.
6. The inflation pressure stabilizing apparatus of claim 5, wherein the first nitrogen valve is a needle valve.
7. The inflation and pressure stabilizing device according to claim 5, wherein the first nitrogen charging pipe is further provided with a pressure gauge, and the pressure gauge is located between the first nitrogen charging valve and the nitrogen charging joint.
8. The inflation pressure stabilizing apparatus of claim 7, wherein the first nitrogen charging tube is further provided with a pressure reducing valve, the pressure reducing valve being located between the nitrogen charging connector and the second end of the first nitrogen charging tube to reduce the pressure in the first nitrogen charging tube to a preset pressure value.
9. The inflation and pressure stabilizing apparatus of any one of claims 1 to 4, further comprising a first bleed drain connected to the expansion tank.
10. A high temperature gas cooled reactor passive waste heat discharging system, characterized by comprising an expansion water tank and an inflation pressure stabilizing device, wherein the inflation pressure stabilizing device adopts the inflation pressure stabilizing device according to any one of claims 1 to 9; wherein,,
the expansion water tank is provided with a second nitrogen filling pipe and a second air discharging drain pipe, one end of the second nitrogen filling pipe is connected with the expansion water tank, the other end of the second nitrogen filling pipe is connected with the first nitrogen filling pipe, and a second nitrogen filling valve is arranged on the second nitrogen filling pipe;
one end of the second air discharging drain pipe is connected with the expansion water tank, the other end of the second air discharging drain pipe is connected with the first air discharging drain pipe, and a first air discharging valve is arranged on the second air discharging drain pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321238214.3U CN219676903U (en) | 2023-05-22 | 2023-05-22 | Inflation pressure stabilizing device and high-temperature gas cooled reactor passive waste heat discharging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321238214.3U CN219676903U (en) | 2023-05-22 | 2023-05-22 | Inflation pressure stabilizing device and high-temperature gas cooled reactor passive waste heat discharging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219676903U true CN219676903U (en) | 2023-09-12 |
Family
ID=87919572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321238214.3U Active CN219676903U (en) | 2023-05-22 | 2023-05-22 | Inflation pressure stabilizing device and high-temperature gas cooled reactor passive waste heat discharging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219676903U (en) |
-
2023
- 2023-05-22 CN CN202321238214.3U patent/CN219676903U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101858817A (en) | Equal-pressure virtual isolation check valve sealing test method and equipment | |
| CN111795252B (en) | Water injection type water plugging air bag and use method thereof | |
| CN104122049B (en) | A kind of high pressure airtightness testing method | |
| CN103531258B (en) | The method for exhausting of one loop of nuclear power station | |
| CN219676903U (en) | Inflation pressure stabilizing device and high-temperature gas cooled reactor passive waste heat discharging system | |
| CN106918458A (en) | A kind of Test System for Rocket Engine Test kerosene high/low temperature heat-exchange system and charging method | |
| CN110748730B (en) | Ship LNG supply bin safety pipeline interface device | |
| CN217082167U (en) | A fill dress device for quick partial shipment of helium | |
| CN115628399A (en) | Low-pressure safe hydrogen charging system and hydrogen charging method | |
| CN215335774U (en) | Offshore hydrogen storage system | |
| CN214840082U (en) | Safe hydrogenation station based on immersion hydrogen system | |
| CN210803133U (en) | Heat exchanger hydrostatic test exhaust apparatus | |
| CN212561703U (en) | Intelligent operation and maintenance system for visual pipe network | |
| CN113932980A (en) | Vertical low-temperature heat-insulation gas cylinder airtightness detection system | |
| CN215764604U (en) | Ring main unit inflating device | |
| CN111504579A (en) | Diaphragm air pressure tank and safety detection method thereof | |
| CN207197952U (en) | Storage pressure tests water jacket | |
| CN216480225U (en) | Automatic change gas jar towards dress platform | |
| CN206156732U (en) | Filling device is stored in ultrapure coolant liquid filling of water -cooled frequency converter | |
| CN217235281U (en) | Ground light hydrocarbon gasification tank capable of opposite point-to-point gas supply | |
| CN219301248U (en) | Medium autonomous discharge system | |
| CN218937774U (en) | Test bench oil circuit governing system | |
| CN216084334U (en) | Isolation device at sodium-related system boundary | |
| CN217155469U (en) | Temperature and pressure measuring sleeve for traditional well head and gas transmission pipeline | |
| CN221376958U (en) | Hydrogen safety detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |