CN114152428A - Safety valve steam test device - Google Patents
Safety valve steam test device Download PDFInfo
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- CN114152428A CN114152428A CN202111411969.4A CN202111411969A CN114152428A CN 114152428 A CN114152428 A CN 114152428A CN 202111411969 A CN202111411969 A CN 202111411969A CN 114152428 A CN114152428 A CN 114152428A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/003—Machine valves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/266—Drying gases or vapours by filtration
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Abstract
The invention discloses a safety valve steam test device which comprises a box body, wherein the interior of the box body is divided into a plurality of independent spaces through partition plates, the independent spaces are respectively used for arranging a water treatment device, an integrated steam generation device and a control cabinet, the water treatment device is used for purifying a water source, the integrated steam generation device receives water purified by the water treatment device and is used for generating saturated steam, and the integrated steam generation device transmits the saturated steam to a test container arranged outside the box body through a gas transmission pipeline for carrying out a steam test on a safety valve. The steam test device is safe and reliable, has a simple structure, and can meet the factory-qualified requirements of the safety valve on the steam test device.
Description
Technical Field
The invention relates to the technical field of safety valve test devices, in particular to a safety valve steam test device.
Background
The existing special equipment regulation TSG 07-2019 requires that: for manufacturing a steam safety valve with a design temperature of not lower than 425 ℃, a test container with a working pressure of not less than 10MPa and a volume of not less than 0.5m should be arranged3The test device for a vapor medium of (1).
The existing safety valve thermal state test bed is a full-performance thermal state test bed, generally used as a safety valve type test, can perform a safety valve full-displacement test, can meet the requirements of delivery tests, but is high in energy consumption and cost and uneconomical. The test bench has huge investment (about 4000 to more than ten thousand of the parameters of one scheme), large floor area and cannot be born by a valve manufacturing factory.
The existing steam generator special for thermal state test of the safety valve comprises a generator assembly (a generator coil assembly, a base, a combustor), a steam-water separation and energy accumulator, a water feed pump, a fan, an outer shell, an electric cabinet, a valve instrument pipeline, an automatic adjusting device and an auxiliary machine, only generates steam, and cannot be tested. When the device is used for safety valve tests, a test device is also required to be designed.
In the prior art, fuel gas heating is mostly adopted, and the requirements on plant conditions and environmental protection are high.
Based on the situation, the invention provides a safety valve steam test device which can effectively solve the problems.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a safety valve steam test device. The steam test device is safe and reliable, has a simple structure, and can meet the factory-qualified requirements of the safety valve on the steam test device.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the safety valve steam test device comprises a box body, the inside of the box body is divided into a plurality of independent spaces through partition plates, the independent spaces are respectively used for arranging a water treatment device, an integrated steam generation device and a control cabinet, the water treatment device is used for purifying a water source, the integrated steam generation device receives purified water from the water treatment device and is used for generating saturated steam, and the integrated steam generation device conveys the saturated steam to a test container arranged outside the box body through a gas pipeline and is used for carrying out steam test on a safety valve.
Preferably, the inside gas outlet below of integrated form steam generator is equipped with at least one catch water, catch water includes a plurality of buckled plates of perforated plate and interval arrangement, the perforated plate includes that the surface sets up the gas board of crossing of a plurality of air vents and follows the mounting panel that both ends downwardly extending formed about the gas board, two the mounting panel inboard respectively with each both ends fixed connection about the buckled plate surrounds formation steam upflow's runner between per two adjacent buckled plates and the both sides mounting panel.
Preferably, the front outer side and the rear outer side of the steam-water separator are respectively provided with a baffle, and the baffles are in sealing contact with the inner wall of the integrated steam generating device; two the mounting panel outside all through first angle steel and second angle steel with integrated form steam generator inner wall fixed connection.
Preferably, the air outlet of the integrated steam generator is provided with a bottom hopper, the bottom hopper comprises a bottom plate and a plurality of flow distribution plates circumferentially and uniformly distributed on the top surface of the bottom plate at intervals, and the top of each flow distribution plate is fixedly connected with the inner wall of the integrated steam generator.
Preferably, the integrated steam generating device comprises a heat-insulating shell, and a first heater, a pressure valve bank, a water level valve bank, a temperature detection assembly and a manhole door which are integrated on the heat-insulating shell; the pressure valve group, the water level valve group and the temperature detection assembly are respectively used for monitoring the pressure, the water level and the temperature in the heat preservation shell and transmitting detection signals to the control cabinet.
Further preferably, a steam-water separator for reducing the water carrying rate of saturated steam entering the test container is arranged in the heat-insulating shell.
Further preferably, the two sides of the integrated steam generating device in the width direction are oppositely and alternately provided with a plurality of first heaters which extend into the heat-insulating shell, and each first heater is uniformly distributed at the middle lower part of the heat-insulating shell.
Preferably, an air cooling system is installed in the box body corresponding to the integrated steam generating device.
Preferably, the water treatment device supplies water to the integrated steam generating device through a high-pressure plunger pump and a low-pressure water supply pump respectively.
Preferably, the test container can be mounted at the tail part of the box body and mounted on the same base with the box body to form an integral skid-mounted structure.
Preferably, the test vessel is provided with a second heater.
Preferably, the integrated steam generating device is externally connected with a drainage flash tank through a high-temperature high-pressure water delivery pipe.
Preferably, the integrated steam generating device and the test container are both provided with sewage draining holes.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the water treatment device, the integrated steam generation device and the control cabinet are integrated into a whole by adopting the box body, so that the floor area is small, and the operation and the maintenance of each system are convenient to fully consider; secondly, the box body is divided into a plurality of independent spaces through the partition boards, so that the devices are not interfered with each other; furthermore, the test container is detachably connected to the outer side wall of the integrated steam generating device and is communicated with the integrated steam generating device in the box body through the gas transmission pipeline, so that the test container can be flexibly used without being limited by a test place, and meanwhile, the conveying pipeline with a certain length also has a flow stabilizing effect on saturated steam.
2. Compared with gas heating, the invention adopts the first heater, thereby saving energy, protecting environment, having no pollution to environment, having low requirement on test site conditions, being safe, reliable, convenient and feasible. Each group of first heaters are oppositely and alternately arranged on two sides of the width direction of the middle lower part of the heat-insulating shell, so that water is uniformly heated, and the temperature is quickly raised.
3. The water treatment device is used for ensuring that indexes such as water hardness and oxygen content meet relevant standards, so that the quality of steam is ensured, the influence of a medium on a test valve is avoided, the loss of scale on a steam heating device is also avoided, the heat exchange efficiency is improved, the energy consumption is reduced, the precision is ensured, and the service life is prolonged.
4. The integrated steam generating device is high in integration level, integrates the functions of a first heater, a steam-water separator, steam storage and heat preservation, and ensures that the dryness of the steam for the test is more than or equal to 98%.
5. The bottom hopper arranged at the air outlet in the integrated steam generating device can effectively prevent the gas from being directly discharged and erosion on the inner wall of the steam drum.
Drawings
FIG. 1 is a schematic diagram of a system connection of a safety valve steam test device according to an embodiment of the invention;
FIG. 2 is a schematic plan view of a safety valve steam test device according to an embodiment of the present invention;
FIG. 3 is a schematic front view of the structure of FIG. 2;
FIG. 4 is a schematic diagram of the right side view of the structure of FIG. 3;
FIG. 5 is a detailed structural schematic at A of FIG. 4;
FIG. 6 is a schematic diagram of a front view of a bottom hopper of the safety valve steam test device according to the embodiment of the invention;
FIG. 7 is a schematic top view of the structure of FIG. 6;
FIG. 8 is a schematic structural diagram of a steam-water separator of the safety valve steam test device according to the embodiment of the invention;
FIG. 9 is a schematic top view of the structure of FIG. 8;
fig. 10 is a schematic sectional view taken along line a-a of fig. 8.
Reference numerals: 1-a water treatment device; 2-an integrated steam generating device; 21-a heat preservation shell; 22-a first heater; 23-a pressure valve group; 24-a water level valve bank; 3-a test vessel; 31-a test interface; 4-a gas pipeline; 5-a pressure control valve; 6-a control cabinet; 7-high pressure plunger pump; 8-low pressure feed pump; 9-high temperature high pressure water delivery pipe; 10-a hydrophobic flash tank; 11-a steam valve; 12-a safety valve; 13-an exhaust valve; 14-a water treatment room; 15-equipment room; 16-a control room; 17-manhole door; 18-a box body; 181-a separator; 19-a steam-water separator; 191-a perforated plate; 1910-a vent hole; 1911-gas passing plate; 1912-a mounting plate; 192-corrugated plate; 25-a baffle plate; 26-first angle steel; 27-second angle steel; 28-bottom hopper; 281-a bottom plate; 282-diverter plate.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in conjunction with specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
The present invention will be further described with reference to the following examples and drawings 1-10, but the invention is not limited thereto.
As shown in fig. 1, the present embodiment provides a safety valve steam test device, which includes a box 18, the inside of the box 18 is divided into a plurality of independent spaces by a partition 181, the independent spaces are respectively used for arranging a water treatment device 1, an integrated steam generation device 2 and a control cabinet 6, the water treatment device 1 is used for purifying a water source, the integrated steam generation device 2 receives purified water from the water treatment device 1 and is used for generating saturated steam, and the integrated steam generation device 2 transmits the saturated steam to a test container 3 arranged outside the box 18 through a gas transmission pipeline 4 for performing a steam test on a safety valve.
As shown in fig. 2, the plurality of independent spaces into which the cabinet 18 is partitioned by the partitions 181 include an equipment room 15, a water treatment room 14, and a control room 16, wherein the equipment room 15 is used for housing the integrated steam generating device 2, the water treatment room 14 is used for housing the water treatment device 1, the control room 16 is used for housing the control cabinet 6, and the test container 3 is disposed outside the cabinet 18. In order to fully consider the convenience of operation and maintenance of each system, maintenance spaces or maintenance doors are reserved in each equipment installation area, and the interior of each equipment installation area is provided with a lighting system and a monitoring system. The equipment room 15 is provided with an air cooling system to ensure that the temperature of the shell of the body is less than or equal to 50 ℃; an air cooling system is arranged in the equipment room, and the main purpose is to protect the precision and reliability of instruments and meters in the equipment room; the purpose that the temperature of the shell is less than or equal to 50 ℃ is the same as the purpose on one hand, and on the other hand, the steam device is guaranteed to have good heat preservation effect and low heat dissipation, so that the steam temperature is guaranteed, and energy conservation and consumption reduction are realized. The air cooling system adopts a conventional exhaust heat dissipation fan. The control room 16 is insulated and provided with an air conditioner, so that the temperature of the control room is reduced, on one hand, the normal work of the integrated system is ensured, on the other hand, the humanized consideration is realized, and the comfort of the working personnel in a narrow high-temperature space is ensured. The circuit system runs through the internal wire slots, the pipeline system is reasonably arranged, and the field instruments are provided with observation windows or arranged at positions easy to observe.
Among them, the test container 3 is designed separately and independently from the integrated steam generator 2 through the transfer pipe 4 in consideration of the safety and convenience of the test operation and the steady state of the test steam. The test container 3 mountable is installed on same base at the afterbody of box 18 with box 18, forms whole sled dress, can avoid pipeline welding and ground construction when being convenient for transport, removes test device to the place of safety when needs use, and the water receiving circular telegram can be used, does not take up space to the place corner when not needing to use. Saturated steam is introduced into the test container 3 from the integrated steam generator 2 via a gas line 4, and a pressure control valve 5 is arranged on the gas line 4. The top end of the test container 3 is provided with a test interface 31 with the size required by the test, and the test valve is connected with the test interface 31 through a flange or a tool. Meanwhile, in order to solve the energy loss of the saturated steam during the transportation, a second heater (not shown) may be provided on the test container 3, and an electromagnetic heater may be used.
Furthermore, a water treatment device 1 is added in the water supply system to ensure that indexes such as water hardness, oxygen content and the like meet relevant standards, so that the quality of steam is ensured, and the influence of a medium on a test valve is avoided. The water supply adopts the cooperation of the high-pressure plunger pump 7 and the low-pressure water supply pump 8, so that not only can stable water supply be realized within a short time, but also automatic water supply can be realized in time according to water level fluctuation.
As shown in fig. 3 and 4, the integrated steam generator 2 includes a thermal insulation casing 21, a steam-water separator 19, a base, and necessary safety valves 12 (in this embodiment, the safety valve 12 with a mark is different from the safety valve for performing the steam test, and it should be noted that the safety valve is distinguished), a pressure valve bank 23, a water level valve bank 24, a temperature detection component (not shown), a first heater 22, a manhole door 17, an exhaust valve 13, a steam valve 11, and the like. The heat insulation material of the heat insulation shell 21 is an aluminum silicate fiber felt, the outer layer material of the heat insulation shell 21 is a stainless steel thin plate or an aluminum plate, heat dissipation loss is reduced to the maximum extent, and heat insulation time is long.
Further, the first heater 22 used in the present embodiment is an electric resistance heater for heating water to saturated steam, and the first heater 22 converts electric energy into heat energy by using joule effect of electric current. The heating part of the first heater 22 is a stainless steel U-shaped tubular structure, a heating element (heating wire) is placed in the U-shaped tubular structure, and the gap part is tightly filled with crystallized magnesia powder with good insulation and thermal conductivity. The first heater 22 is connected with the customized flange by argon arc welding, and then is connected with the flanges on the two side interfaces of the integrated steam generating device 2 by bolts, so that the integrated steam generating device is convenient to assemble and disassemble and is convenient to maintain. The heating element is made of special alloy materials and adopts indirect resistance heating, the heating element is not contacted with the working medium, the service life is long, the field installation is convenient, and the operation is simple.
Specifically, the first heaters 22 are arranged in four groups in an opposite staggered manner, the single output power is 20-25KW, and the heating temperature can reach 700 ℃. The output power of the first heater 22 is adjusted through PID operation, and the temperature control of the resistive load of the heating element is realized, so that the medium temperature is uniform and meets the required requirement; meanwhile, the double-gear 50/100KW output control can be realized. 100% linear output, and has the functions of overheat protection and overcurrent protection. When the heating element is over-temperature or at low water level, the interlocking protection device of the heating element immediately cuts off the heating power supply, thereby avoiding the heating element from burning out and prolonging the service life. The automatic starting and stopping pressure can be set according to the requirements of users, wherein the interlocking protection device adopts the conventional selection in the field.
The control cabinet and the control circuit of the embodiment adopt an independent safety control system special for the boiler, and the system realizes normal operation control, test data acquisition and protection functions. It will be understood by those skilled in the art that the present invention is not described in further detail, using routine selection in the art.
As shown in fig. 5 and 8-10, a steam-water separator 19 is arranged below an air outlet inside the integrated steam generating device 2, the steam-water separator 19 includes a porous plate 191 and a plurality of corrugated plates 192 arranged at intervals, the porous plate 191 includes an air passing plate 1911 with a plurality of vent holes 1910 formed on the surface and mounting plates 1912 formed by extending downwards along the left and right ends of the air passing plate 1911, the inner sides of the two mounting plates 1912 are respectively and fixedly connected with the left and right ends of each corrugated plate 192, and a flow channel through which steam flows upwards is formed between each two adjacent corrugated plates 192 and the mounting plates 1912 on the two sides in a surrounding manner, so that the water carrying rate of the steam entering the test header is reduced, and the dryness of the steam for the test is ensured to be greater than or equal to 98%.
Furthermore, baffles 25 are arranged on the front outer side and the rear outer side of the steam-water separator 19, the baffles 25 are in sealing contact with the inner wall of the integrated steam generating device 2, as shown in fig. 3, and the baffles 25 can prevent steam from directly entering the air outlet from the upper parts of the front end and the rear end of the porous plate.
Further, the outer sides of the two mounting plates 1912 are fixedly connected with the inner wall of the integrated steam generator 2 through a first angle steel 26 and a second angle steel 27 as shown in fig. 5, the first angle steel 26 is welded with the outer side of the mounting plate 1912, and the first angle steel 26 and the second angle steel 27 are directly connected by a bolt.
As shown in fig. 5 to 7, a bottom hopper 28 is disposed at an air outlet inside the integrated steam generator 2, the bottom hopper 28 includes a bottom plate 281 and a plurality of flow distribution plates 282 circumferentially and uniformly distributed on a top surface of the bottom plate 281 at intervals, a top of each flow distribution plate 282 is fixedly connected to an inner wall of the integrated steam generator 2, and the flow distribution plates 282 can effectively prevent gas from being directly discharged and erosion on an inner wall of a steam drum.
The working principle of the embodiment is as follows:
after being treated by the water treatment device 1, tap water is supplied to the integrated steam generation device 2 by using a high-pressure plunger pump 7 and a low-pressure water supply pump 8 in a matched manner (the low-pressure pump is used for supplying water in a large flow at low pressure, so that stable water supply in a short time is ensured, and the high-pressure pump with a small flow is used for pressurizing after the pressure is increased). The integrated steam generating device 2 integrates a first heater 22, a steam-water separator, steam storage and heat preservation, and is provided with a safety valve 12, a pressure valve bank 23, a water level valve bank 24 and a temperature detection assembly. When the water level reaches the set value, the first heater 22 starts heating until the set temperature and the set pressure are reached, and micro superheated steam is generated. The steam-water separator is arranged in the container to reduce the water carrying rate of the steam entering the test header, ensure that the dryness of the steam for the test is more than or equal to 98 percent, and ensure the quality of the steam for the test. The container is provided with an exhaust valve 13, a safety valve 12 and test points for pressure, temperature, water level and the like. When the water level is lower than the set safe water level, the water supply pump can automatically supply water. When the heating element is over-temperature or in a low water level, the interlocking protection device of the heating element immediately cuts off the heating power supply, thereby avoiding the heating element from being burnt out. When the pressure exceeds the set pressure and reaches the action pressure of the safety valve 12, the safety valve 12 can jump to reduce the pressure of the container to realize protection.
Saturated steam meeting the test requirements enters the test container 3 through a gas transmission pipeline 4. The test container 3 is provided with an exhaust valve, a blowdown valve, a test interface 31, monitoring points of pressure, temperature and the like and data acquisition points. The tested valve with set pressure is arranged at a test interface 31 (flange connection is adopted, so that disassembly and assembly are convenient), when the test steam medium reaches the set pressure set by the tested valve, the tested valve jumps and exhausts gas, the steam pressure of the device is reduced, and the safety valve returns to the seat and achieves reliable sealing. The information of the take-off pressure and the recoil pressure of the safety valve is fed back to the visual control panel through data acquisition. When the safety valve does not meet the requirement and needs to be adjusted, the pressure control valve 5 is closed, the exhaust valve is opened to reduce the pressure in the test container 3 to the safe pressure or exhaust, and the operation safety of debugging personnel in adjusting the safety valve is ensured. And after the safety valve is adjusted, closing the exhaust valve, and opening the pressure control valve 5 to enable the test container to be pressurized again for testing.
After the experiment is finished and when the experiment is not carried out in a short period, the high-temperature and high-pressure medium in the integrated steam generating device 2 enters the drainage flash tank 10 through the high-temperature and high-pressure water delivery pipe 9 to be cooled and depressurized and then is discharged into the trench. The integrated steam generating device 2 and the test container 3 are both provided with sewage draining holes, and sewage can be drained periodically.
The parameters of the implemented case of the invention are as follows:
| item | Unit of | Numerical value |
| Rated steam volume | kg/h | 255 |
| Rated working pressure | MPa | 13.0 |
| Rated steam temperature | ℃ | 331.7 |
| Designed thermal efficiency | ％ | 98.2 |
| Rated voltage | V | 380 |
| Single group heating pipe power | KW | 20-25 |
| Number of heating tube sets | Group of | 4 |
| Normal running water volume | m3 | 1.15 |
| Normal operating steam space volume | m3 | 1.15 |
| Duration of initial heating | h | 4-6 |
| Size of container | m | Length × Width × height 6.5 × 2.6 |
From the data in the table, the working pressure and the steam volume of the test device can meet the steam test requirement of the safety valve.
The test container 3 of the present invention is not limited to the header type, and may be a spherical tank.
Technical features (components/elements of the invention) of the control cabinet, the interlock protection device, the water level valve bank, the pressure valve bank, the temperature detection assembly and the like are all obtained from conventional commercial sources or manufactured by a conventional method if no special description is made, and specific structures, working principles, control modes and spatial arrangement modes which may be involved adopt conventional choices in the field, which should not be regarded as innovative points of the invention, and it can be understood by those skilled in the art that the patent of the invention is not specifically and specifically described in detail further.
According to the description and the drawings of the invention, a safety valve steam test device of the invention can be easily manufactured or used by a person skilled in the art, and can produce the positive effects recorded by the invention.
Unless otherwise specified, in the present invention, if there is an orientation or positional relationship indicated by terms of "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass, for example, being fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.
Claims (10)
1. The utility model provides a relief valve steam test device which characterized in that: the safety valve steam test device comprises a box body (18), the inside of the box body (18) is divided into a plurality of independent spaces through partition plates (181), the independent spaces are respectively used for arranging a water treatment device (1), an integrated steam generation device (2) and a control cabinet (6), the water treatment device (1) is used for purifying a water source, the integrated steam generation device (2) receives purified water from the water treatment device (1) and is used for generating saturated steam, and the integrated steam generation device (2) conveys the saturated steam to a test container (3) arranged outside the box body (18) through a gas conveying pipeline (4) and is used for carrying out a steam test on the safety valve.
2. The safety valve steam test device of claim 1, wherein: at least one steam-water separator (19) is arranged below an air outlet in the integrated steam generating device (2), the steam-water separator (19) comprises a porous plate (191) and a plurality of corrugated plates (192) arranged at intervals, the porous plate (191) comprises an air passing plate (1911) with a plurality of air vents (1910) formed in the surface and a mounting plate (1912) formed by downwards extending along the left end and the right end of the air passing plate (1911), the inner side of the mounting plate (1912) is fixedly connected with the left end and the right end of each corrugated plate (192), and a flow channel for upwards flowing steam is formed by encircling between each two adjacent corrugated plates (192) and the mounting plates (1912) on the two sides.
3. The safety valve steam test device of claim 2, wherein: baffles (25) are arranged on the front outer side and the rear outer side of the steam-water separator (19), and the baffles (25) are in sealing contact with the inner wall of the integrated steam generating device (2); the outer sides of the two mounting plates (1912) are fixedly connected with the inner wall of the integrated steam generating device (2) through first angle steel (26) and second angle steel (27).
4. The safety valve steam test device of claim 1 or 2, wherein: the integrated steam generator is characterized in that a bottom hopper (28) is arranged at an air outlet inside the integrated steam generator (2), the bottom hopper (28) comprises a bottom plate (281) and a plurality of flow distribution plates (282) which are circumferentially and uniformly distributed on the top surface of the bottom plate (281) at intervals, and the tops of the flow distribution plates (282) are fixedly connected with the inner wall of the integrated steam generator (2).
5. The safety valve steam test device of claim 1, wherein: the integrated steam generating device (2) comprises a heat-insulating shell (21), and a first heater (22), a pressure valve bank (23), a water level valve bank (24), a temperature detection assembly and a manhole door (17) which are integrated on the heat-insulating shell (21); the pressure valve group (23), the water level valve group (24) and the temperature detection assembly are respectively used for monitoring the pressure, the water level and the temperature in the heat preservation shell (21) and transmitting detection signals to the control cabinet (6).
6. The safety valve steam test device of claim 5, wherein: the integrated steam generating device (2) is characterized in that a plurality of first heaters (22) extending into the heat-insulating shell (21) are oppositely and alternately arranged on two sides in the width direction, and the first heaters (22) are uniformly distributed at the middle lower part of the heat-insulating shell (21).
7. The safety valve steam test device of claim 1, wherein: an air cooling system is arranged in the box body corresponding to the integrated steam generating device (2); the test container (3) is provided with a second heater.
8. The safety valve steam test device of claim 1, wherein: the water treatment device (1) supplies water to the integrated steam generation device (2) through a high-pressure plunger pump (7) and a low-pressure water supply pump (8).
9. The safety valve steam test device of claim 1, wherein: the test container (3) can be arranged at the tail part of the box body (18) and is arranged on the same base with the box body (18) to form integral skid mounting.
10. The safety valve steam test device of claim 1, wherein: the integrated steam generating device (2) is externally connected with a drainage flash tank (10) through a high-temperature high-pressure water delivery pipe (9); and the integrated steam generating device (2) and the test container (3) are both provided with sewage draining holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111411969.4A CN114152428A (en) | 2021-11-25 | 2021-11-25 | Safety valve steam test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111411969.4A CN114152428A (en) | 2021-11-25 | 2021-11-25 | Safety valve steam test device |
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| CN114152428A true CN114152428A (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111411969.4A Pending CN114152428A (en) | 2021-11-25 | 2021-11-25 | Safety valve steam test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115326380A (en) * | 2022-08-09 | 2022-11-11 | 中广核工程有限公司 | Steam thermal state test device for valve |
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2021
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115326380A (en) * | 2022-08-09 | 2022-11-11 | 中广核工程有限公司 | Steam thermal state test device for valve |
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