CN116906828A - Skid-mounted temperature and pressure reducing system and working method thereof - Google Patents
Skid-mounted temperature and pressure reducing system and working method thereof Download PDFInfo
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- CN116906828A CN116906828A CN202311035630.8A CN202311035630A CN116906828A CN 116906828 A CN116906828 A CN 116906828A CN 202311035630 A CN202311035630 A CN 202311035630A CN 116906828 A CN116906828 A CN 116906828A
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000009467 reduction Effects 0.000 claims abstract description 35
- 230000001105 regulatory effect Effects 0.000 claims abstract description 18
- 238000012423 maintenance Methods 0.000 claims abstract description 6
- 230000006837 decompression Effects 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 35
- 238000012544 monitoring process Methods 0.000 claims description 23
- 238000001514 detection method Methods 0.000 claims description 12
- 230000001276 controlling effect Effects 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 7
- 238000000889 atomisation Methods 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 230000008646 thermal stress Effects 0.000 claims description 4
- 238000013024 troubleshooting Methods 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000007405 data analysis Methods 0.000 claims description 3
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- 238000004519 manufacturing process Methods 0.000 abstract description 8
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- 230000002209 hydrophobic effect Effects 0.000 description 2
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
- F17D1/06—Pipe-line systems for gases or vapours for steam
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/20—Arrangements or systems of devices for influencing or altering dynamic characteristics of the systems, e.g. for damping pulsations caused by opening or closing of valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
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Abstract
The invention discloses a skid-mounted temperature and pressure reducing system and a working method thereof, which relate to the field of steam temperature and pressure reducing devices of power stations and comprise a steam inlet pipeline, a temperature and pressure reducing system, a bypass system and a secondary steam discharge pipeline, wherein temperature and pressure reducing equipment is integrated based on a skid-mounted platform; the steam inlet pipeline is used for introducing high-temperature and high-pressure steam into the temperature and pressure reduction system and comprises a pressure transmitter, a temperature transmitter and a gate valve; the temperature and pressure reducing system is used for reducing the temperature and pressure of the steam; the bypass system is used for carrying out passage connection between the temperature and pressure reduction system and the secondary steam discharge pipeline. According to the invention, by arranging the bypass system, after the decompression bypass, the regulating valve bypass, the filter bypass and the drainage bypass in the bypass system are utilized, the maintenance and the use are more convenient, the stable, safe and reliable operation of the temperature and pressure reduction device is ensured, the production cost is reduced, and the production efficiency and the reliability of the device are improved.
Description
Technical Field
The invention relates to the technical field of steam temperature and pressure reducing devices of power stations, in particular to a skid-mounted temperature and pressure reducing system and a working method thereof.
Background
The temperature and pressure reducing device is a pressure pipeline element combination device, is a heat energy conversion device which saves energy and reasonably uses energy, has the functions and effects of reducing pressure, reducing temperature, protecting safety, automatically controlling and adjusting, and the like, mainly achieves the process parameters required by later user equipment after reducing temperature and pressure of pipeline steam, is important auxiliary equipment for 'thermoelectric cooling' three cogeneration, and is a steam temperature and pressure reducing device of a power station, the steam of the power station needs constant temperature and pressure so as to drive a generator at constant pressure, and the generated steam can enter a generator set after the temperature and pressure of the generated steam need to be adjusted by the temperature and pressure reducing device.
At present, skid-mounted in the skid-mounted type temperature and pressure reducing device refers to a platform which can be moved by a crowbar, and the temperature and pressure reducing device is integrally mounted on the platform, but the temperature and pressure reducing device with the traditional structure is low in pressure and temperature regulation precision due to the ubiquitous pressure and temperature, small in regulation range, poor in safety and reliability and inconvenient to use and maintain.
Disclosure of Invention
The invention aims to provide a skid-mounted temperature and pressure reducing system and a working method thereof, which are used for solving the problems that the temperature and pressure reducing device with the traditional structure provided by the background art is low in ubiquitous pressure and temperature regulation precision, small in regulation range, poor in safety and reliability and inconvenient to use and maintain.
In order to achieve the above purpose, the present invention provides the following technical solutions: a skid-mounted temperature and pressure reducing system comprises a steam inlet pipeline, a temperature and pressure reducing system, a bypass system and a secondary steam discharge pipeline, wherein temperature and pressure reducing equipment is integrated based on a skid-mounted platform; the steam inlet pipeline is used for introducing high-temperature and high-pressure steam into the temperature and pressure reduction system and comprises a pressure transmitter, a temperature transmitter and a gate valve; the temperature and pressure reducing system is used for reducing the temperature and pressure of the steam; the bypass system is used for carrying out passage connection between the temperature and pressure reduction system and the secondary steam discharge pipeline, and comprises a pressure reduction bypass, a regulating valve bypass, a filter bypass and a drainage bypass; the secondary steam discharge pipe is used for discharging the treated steam.
Preferably, the passage in the pressure reducing bypass adopts a double-steam bypass valve for protecting a sealing surface of the pressure reducing valve, so as to reduce excessive thermal stress caused by temperature difference of a local structure of equipment; the regulating valve bypass is used for overhauling or troubleshooting the regulating valve, temporarily replaces the regulating flow, and ensures the operation of the device; the filter bypass is used for checking and replacing a filter element when the device operates, so that impurities in the water supply pipeline are prevented from blocking the water supply pipeline, and the device is ensured not to be stopped for maintenance; the drainage bypass is used for steam-water separation of a steam pipeline, and automatically discharges condensed water generated during cooling of steam.
Preferably, the temperature and pressure reducing system comprises a pressure reducing module, a temperature reducing module, a safety protection module, a thermal control module and an intelligent monitoring module; the pressure reducing module adopts a cage type pressure reducing valve, a throttle screen and a multi-layer noise reducing orifice plate structure; the temperature reducing module adopts a main pipe mixing pipeline, a lining protection pipe is arranged in the main pipe mixing pipeline, and an atomization adjustable nozzle is arranged at the throat part of a venturi pipe; the safety protection module is used for preventing the overpressure of the outlet steam pressure when the system is abnormally operated; the thermal control module is used for adjusting the relevant parameters of the outlet, and the effective processing of the data is carried out by collecting the temperature and the pressure, so that the outlet parameters are ensured to be in a reasonable range, and the aim of automatic adjustment is achieved; the intelligent monitoring module is used for monitoring, displaying, alarming and controlling the thermal parameters such as pressure, temperature, flow and the like of the temperature and pressure reduction device.
Preferably, a cage-type pressure relief valve in the pressure relief module is used to relieve the inlet vapor pressure to the pressure required by the process system.
Preferably, the temperature reducing module further comprises a filter, a throttle valve, a stop valve and a check valve, wherein the filter is used for filtering impurities of the temperature reducing water, the throttle valve is used for manually adjusting the temperature reducing water inlet pressure, the pressure before the temperature reducing water adjusting valve is maintained in a reasonable range, the stop valve is used for maintaining the front end of the temperature reducing water supply pipeline, the requirement of overhauling and maintaining when the device breaks down is met, and the check valve is used for blocking steam-water backflow when the pressure of the temperature reducing water supply pipeline is low.
A skid-mounted temperature and pressure reducing method comprises the following steps:
s1, firstly, high-temperature and high-pressure steam of a power station is connected into a pipeline of a temperature and pressure reduction system through a steam inlet pipeline;
s2, reducing pressure and then reducing temperature of steam by using a pressure reducing module and a temperature reducing module in the temperature and pressure reducing system;
s3, controlling the internal pressure of the steam outlet by utilizing a safety protection module;
s4, acquiring and monitoring the thermal parameters in the device in real time through an intelligent monitoring module;
s5, adjusting and processing outlet related parameters according to the monitoring data through a thermal control module;
s6, discharging the steam subjected to temperature and pressure reduction outwards.
Preferably, in step S1, a gate valve for introducing steam into a pipeline is connected to an inlet flange of a pressure reducing valve, the on-off of the steam pipeline is controlled by the gate valve, and pressure and temperature data detection is performed on the introduced steam by using a pressure transmitter and a temperature transmitter.
Preferably, in step S2, the pressure reducing module and the temperature reducing module reduce the pressure of the steam and then reduce the temperature of the steam, including the steps of:
s21, decompressing the steam by controlling a decompression valve;
s22, throttling, silencing and stabilizing the passing steam by using a throttling net cover and a multi-layer noise-reduction throttling orifice plate;
s23, introducing the depressurized steam into a venturi tube of a temperature reducing pipeline to flow at a high speed;
s24, utilizing an atomization adjustable nozzle in the venturi tube to spray the temperature-reducing water to contact with steam so as to realize temperature reduction.
Preferably, in step S4, the intelligent monitoring module collects the thermal parameters inside the device in real time and monitors the thermal parameters, including the following steps:
s41, detecting steam parameters through various groups of sensors;
s42, collecting and analyzing the detection data;
s43, monitoring the steam state according to the data analysis result.
Preferably, in step S42, the collecting and analyzing the detection data includes detecting the pressure of the steam in the pipe, and the pressure calculation formula is as follows:
wherein n represents the total number of stages, K n Represents the post-orifice pressure, K, of the nth stage throttling element 2 Represents the pressure after the last level hole of the throttling element, K 1 Representing the first stage throttling element pre-orifice pressure.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, by arranging the bypass system, after the decompression bypass, the regulating valve bypass, the filter bypass and the drainage bypass in the bypass system are utilized, the maintenance and the use are more convenient, the stable, safe and reliable operation of the temperature and pressure reduction device is ensured, the production cost is reduced, and the production efficiency and the reliability of the device are improved.
2. The invention realizes the adjustment of the relevant parameters of the outlet through the monitoring and the thermal control of the steam pipeline, and the effective processing of data is carried out through the acquisition of the temperature and the pressure, so that the outlet parameters are ensured to be in a reasonable range, the purpose of automatic adjustment is achieved, and the thermal parameters such as the pressure, the temperature, the flow and the like of the temperature and the pressure reducing device are monitored, displayed, alarmed and controlled.
Drawings
FIG. 1 is a block diagram of a skid-mounted temperature and pressure reducing system and a method of operation thereof according to the present invention.
In the figure: 1. steam is introduced into the pipeline; 2. a temperature and pressure reducing system; 21. a pressure reducing module; 22. a temperature reducing module; 23. a safety protection module; 24. a thermal control module; 25. an intelligent monitoring module; 3. a bypass system; 31. a depressurization bypass; 32. a regulating valve bypass; 33. a filter bypass; 34. a hydrophobic bypass; 4. and a secondary steam discharge pipe.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, it is shown that: the skid-mounted temperature and pressure reducing system comprises a steam inlet pipeline 1, a temperature and pressure reducing system 2, a bypass system 3 and a secondary steam discharge pipeline 4, wherein temperature and pressure reducing equipment is integrated on the basis of a skid-mounted platform; the steam inlet pipeline 1 is used for introducing high-temperature high-pressure steam into the temperature and pressure reduction system 2 and comprises a pressure transmitter, a temperature transmitter and a gate valve; the temperature and pressure reducing system 2 is used for carrying out temperature and pressure reducing treatment on the steam; the bypass system 3 is used for connecting a passage between the temperature and pressure reduction system 2 and the secondary steam discharge pipeline 4, and the bypass system 3 comprises a pressure reduction bypass 31, a regulating valve bypass 32, a filter bypass 33 and a drainage bypass 34; the secondary steam discharge pipe 4 is used for discharging the treated steam.
The passage in the pressure reducing bypass 31 adopts a double-steam bypass valve for protecting the sealing surface of the pressure reducing valve, so that the excessive thermal stress caused by the temperature difference of the local structure of the equipment is reduced; the regulating valve bypass 32 is used for overhauling or troubleshooting the regulating valve, temporarily replacing the regulating flow and guaranteeing the operation of the device; the filter bypass 33 is used for checking and replacing a filter element when the device is in operation, so that impurities in the water supply pipeline are prevented from blocking the water supply pipeline, and the device is ensured to be maintained without stopping; the drain bypass 34 is used for steam-water separation of the steam pipeline, and automatically discharges condensed water generated when the steam is cooled.
The temperature and pressure reducing system 2 comprises a pressure reducing module 21, a temperature reducing module 22, a safety protection module 23, a thermal control module 24 and an intelligent monitoring module 25; the pressure reducing module 21 adopts a cage type pressure reducing valve, a throttle screen and a multi-layer noise reducing orifice plate structure; the temperature reducing module 22 adopts a main pipe mixing pipeline, a lining protection pipe is arranged in the main pipe mixing pipeline, and an atomization adjustable nozzle is arranged at the throat part of a venturi tube; the safety protection module 23 is used for preventing the overpressure of the outlet steam pressure when the system is not operating normally; the thermal control module 24 is used for adjusting the outlet related parameters, and the effective processing of the data is carried out by collecting the temperature and the pressure, so that the outlet parameters are ensured to be in a reasonable range, and the purpose of automatic adjustment is achieved; the intelligent monitoring module 25 is used for monitoring, displaying, alarming and controlling the thermal parameters such as pressure, temperature, flow and the like of the temperature and pressure reduction device.
In particular, a cage-type pressure relief valve in the pressure relief module 21 is used to relieve the inlet vapor pressure to the pressure required by the process system.
Specifically, the temperature reducing module 22 further includes a filter, a throttle valve, a stop valve and a check valve, the filter is used for filtering impurities of the temperature reducing water, the throttle valve is used for manually adjusting the temperature reducing water inlet pressure, the pressure in front of the temperature reducing water adjusting valve is maintained in a reasonable range, the stop valve is used for maintaining the front end of the temperature reducing water supply pipeline, the requirement of overhauling and maintaining when the device fails is met, and the check valve is used for blocking steam and water backflow when the pressure of the temperature reducing water supply pipeline is low.
A skid-mounted temperature and pressure reducing method comprises the following steps:
firstly, high-temperature and high-pressure steam of a power station is connected into a pipeline of a temperature and pressure reduction system 2 through a steam inlet pipeline 1, wherein a gate valve in the steam inlet pipeline 1 is connected with an inlet flange of a pressure reduction valve, the on-off of the steam pipeline is controlled through the gate valve, and pressure and temperature data detection is carried out on the inlet steam through a pressure transmitter and a temperature transmitter;
secondly, reducing pressure and then reducing temperature of steam by using a pressure reducing module 21 and a temperature reducing module 22 in the temperature and pressure reducing system 2, wherein the pressure of the steam is reduced by controlling a pressure reducing valve, the flow of the steam is throttled, silenced and stabilized by using a throttle screen and a multi-layer noise-reducing throttle orifice plate, the depressurized steam flows in a high-speed state in a venturi tube of a temperature reducing pipeline, and the temperature of the steam is reduced by using an atomization adjustable nozzle in the venturi tube to spray out the temperature reducing water to contact the steam;
step three, controlling the internal pressure of the steam outlet by utilizing a safety protection module 23;
step four, the thermal parameters inside the device are collected in real time and monitored through the intelligent monitoring module 25, wherein the steam parameters are detected through each group of sensors, the detection data are collected and analyzed, the steam state is monitored through the data analysis result, and specifically, the detection data are collected and analyzed, the detection data comprise the detection of the steam pressure in the pipe, and the pressure calculation formula is as follows:
wherein n represents the total number of stages, K n Represents the post-orifice pressure, K, of the nth stage throttling element 2 Represents the pressure after the last level hole of the throttling element, K 1 The pressure in front of the orifice of the first-stage throttling element is represented, the pressure drop of the superheated steam in the valve can be reasonably controlled, and the pressure difference and the inlet pressure ratio after the pressure drop of each stage meet the requirement of non-choked flow;
step five, adjusting and processing outlet related parameters according to the monitoring data through the thermal control module 24;
and step six, discharging the steam subjected to temperature and pressure reduction outwards.
According to the invention, by arranging the bypass system 3 and utilizing the pressure reducing bypass 31 in the bypass system 3, the double steam bypass valve is arranged, so that bypass sealing is facilitated, the device is in a hot standby state, the situation that when an accident temperature reducing pressure reducer suddenly starts up, the temperature suddenly and greatly rises, excessive thermal stress caused by the temperature difference of a local structure of equipment is avoided, the pressure reducing valve and a subsequent mixing section are damaged due to the sudden increase of the temperature, the sealing surface of the pressure reducing valve is protected, the service life of the pressure reducing valve is prolonged, the maintenance or troubleshooting of the regulating valve is facilitated through the regulating valve bypass 32, the regulating flow is temporarily replaced, the long-term stable operation of the device is ensured, the operation reliability is improved, the filter core is conveniently checked and replaced during the operation of the device through the filter bypass 33, the water feeding pipeline is prevented from being blocked, the device is ensured not to stop for maintenance, the time is saved, the efficiency is improved, the condensed water generated during the steam cooling process through the hydrophobic bypass 34 is prevented from leaking out of the steam, the steam pipeline is more convenient to maintain and use, the stable, the safe and reliable operation of the pressure reducing device is ensured, the production cost is reduced, the production is improved, the production efficiency and the production is convenient, the temperature and the temperature of the device is reasonably controlled, the temperature and the temperature is reasonably and conveniently monitored, the temperature and well and the temperature is controlled, the temperature and the temperature is adjusted, and the temperature is well, and the temperature is controlled, and the temperature is well and the temperature is controlled.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (10)
1. A sled dress formula decompression system that reduces temperature, its characterized in that: the system comprises a steam inlet pipeline (1), a temperature and pressure reduction system (2), a bypass system (3) and a secondary steam discharge pipeline (4), wherein the temperature and pressure reduction equipment is integrated based on a skid-mounted platform;
the steam inlet pipeline (1) is used for introducing high-temperature and high-pressure steam into the temperature and pressure reduction system (2) and comprises a pressure transmitter, a temperature transmitter and a gate valve;
the temperature and pressure reducing system (2) is used for reducing the temperature and pressure of the steam;
the bypass system (3) is used for carrying out passage connection between the temperature and pressure reduction system (2) and the secondary steam discharge pipeline (4), and the bypass system (3) comprises a pressure reduction bypass (31), a regulating valve bypass (32), a filter bypass (33) and a drainage bypass (34);
the secondary steam discharge pipeline (4) is used for discharging the treated steam.
2. The skid-mounted temperature and pressure reducing system as set forth in claim 1, wherein: the passage in the pressure reducing bypass (31) adopts a double-steam bypass valve for protecting the sealing surface of the pressure reducing valve and reducing the excessive thermal stress caused by the temperature difference of the local structure of the equipment;
the regulating valve bypass (32) is used for overhauling or troubleshooting the regulating valve, temporarily replacing the regulating flow and guaranteeing the operation of the device;
the filter bypass (33) is used for checking and replacing a filter element when the device is in operation, preventing impurities in the water supply pipeline from blocking the water supply pipeline, and ensuring that the device is not stopped for maintenance;
the drainage bypass (34) is used for steam-water separation of a steam pipeline and automatically discharging condensed water generated during steam cooling.
3. The skid-mounted temperature and pressure reducing system as set forth in claim 1, wherein: the temperature and pressure reducing system (2) comprises a pressure reducing module (21), a temperature reducing module (22), a safety protection module (23), a thermal control module (24) and an intelligent monitoring module (25);
the pressure reducing module (21) adopts a cage type pressure reducing valve, a throttling net cover and a multi-layer noise reducing orifice plate structure;
the temperature reducing module (22) adopts a main pipe mixing pipeline, a lining protection pipe is arranged in the main pipe mixing pipeline, and an atomization adjustable nozzle is arranged at the throat part of a venturi tube;
the safety protection module (23) is used for preventing the overpressure of outlet steam pressure when the system is not operating normally;
the thermal control module (24) is used for adjusting relevant parameters of the outlet, and effective processing of data is carried out by collecting temperature and pressure, so that the outlet parameters are ensured to be in a reasonable range, and the aim of automatic adjustment is fulfilled;
the intelligent monitoring module (25) is used for monitoring, displaying, alarming and controlling the thermal parameters such as pressure, temperature, flow and the like of the temperature and pressure reduction device.
4. A skid-mounted temperature and pressure reducing system as set forth in claim 3 wherein: a cage-type pressure relief valve in the pressure relief module (21) is used to relieve the inlet vapor pressure to the pressure required by the process system.
5. A skid-mounted temperature and pressure reducing system as set forth in claim 3 wherein: the temperature reducing module (22) further comprises a filter, a throttle valve, a stop valve and a check valve, wherein the filter is used for filtering impurities of the temperature reducing water, the throttle valve is used for manually adjusting the temperature reducing water inlet pressure, the pressure before the temperature reducing water adjusting valve is maintained in a reasonable range, the stop valve is used for maintaining the front end of the temperature reducing water supply pipeline, the requirement of overhauling and maintaining when the device breaks down is met, and the check valve is used for blocking steam-water backflow when the pressure of the temperature reducing water supply pipeline is low.
6. A skid-mounted temperature and pressure reduction method, characterized in that the skid-mounted temperature and pressure reduction system as claimed in any one of claims 1 to 5 is used, comprising the following steps:
s1, firstly, high-temperature and high-pressure steam of a power station is connected into a pipeline of a temperature and pressure reduction system (2) through a steam inlet pipeline (1);
s2, reducing pressure and then reducing temperature of steam by using a pressure reducing module (21) and a temperature reducing module (22) in the temperature and pressure reducing system (2);
s3, controlling the internal pressure of the steam outlet by utilizing a safety protection module (23);
s4, acquiring and monitoring the thermal parameters in the device in real time through an intelligent monitoring module (25);
s5, adjusting and processing outlet related parameters according to the monitoring data through a thermal control module (24);
s6, discharging the steam subjected to temperature and pressure reduction outwards.
7. The skid-mounted temperature and pressure reducing method according to claim 6, wherein in the step S1, a gate valve in a steam inlet pipeline (1) is connected with an inlet flange of a pressure reducing valve, the on-off of the steam pipeline is controlled through the gate valve, and pressure and temperature data detection is carried out on the inlet steam by using a pressure transmitter and a temperature transmitter.
8. The skid-mounted temperature and pressure reduction method according to claim 6, wherein in step S2, the pressure reduction module (21) and the temperature reduction module (22) reduce the pressure of the steam before the temperature reduction, comprising the steps of:
s21, decompressing the steam by controlling a decompression valve;
s22, throttling, silencing and stabilizing the passing steam by using a throttling net cover and a multi-layer noise-reduction throttling orifice plate;
s23, introducing the depressurized steam into a venturi tube of a temperature reducing pipeline to flow at a high speed;
s24, utilizing an atomization adjustable nozzle in the venturi tube to spray the temperature-reducing water to contact with steam so as to realize temperature reduction.
9. The skid-mounted temperature and pressure reduction method according to claim 6, wherein in step S4, the intelligent monitoring module (25) collects and monitors the thermal parameters inside the device in real time, and the method comprises the following steps:
s41, detecting steam parameters through various groups of sensors;
s42, collecting and analyzing the detection data;
s43, monitoring the steam state according to the data analysis result.
10. The skid-mounted temperature and pressure reduction method according to claim 9, wherein in step S42, the collection and analysis of the detection data includes in-pipe vapor pressure detection, and the pressure calculation formula is as follows:
wherein n represents the total number of stages, K n Represents the post-orifice pressure, K, of the nth stage throttling element 2 Represents the pressure after the last level hole of the throttling element, K 1 Representing the first stage throttling element pre-orifice pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311035630.8A CN116906828A (en) | 2023-08-17 | 2023-08-17 | Skid-mounted temperature and pressure reducing system and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311035630.8A CN116906828A (en) | 2023-08-17 | 2023-08-17 | Skid-mounted temperature and pressure reducing system and working method thereof |
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| CN116906828A true CN116906828A (en) | 2023-10-20 |
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| CN202311035630.8A Pending CN116906828A (en) | 2023-08-17 | 2023-08-17 | Skid-mounted temperature and pressure reducing system and working method thereof |
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| CN (1) | CN116906828A (en) |
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- 2023-08-17 CN CN202311035630.8A patent/CN116906828A/en active Pending
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