CN111076090B - Water injection system and control method - Google Patents
Water injection system and control method Download PDFInfo
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- CN111076090B CN111076090B CN201911415990.4A CN201911415990A CN111076090B CN 111076090 B CN111076090 B CN 111076090B CN 201911415990 A CN201911415990 A CN 201911415990A CN 111076090 B CN111076090 B CN 111076090B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 203
- 239000007924 injection Substances 0.000 title claims abstract description 81
- 238000002347 injection Methods 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000003860 storage Methods 0.000 claims abstract description 88
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 72
- 239000011261 inert gas Substances 0.000 claims abstract description 59
- 238000005086 pumping Methods 0.000 claims abstract description 54
- 238000010438 heat treatment Methods 0.000 claims abstract description 44
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims description 9
- 238000004880 explosion Methods 0.000 claims description 4
- 238000009835 boiling Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 239000011148 porous material Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000009172 bursting Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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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
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
-
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
- F24H1/201—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
- F24H1/202—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply with resistances
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2021—Storage heaters
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Control Of Fluid Pressure (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention belongs to the technical field of water injection control, and particularly relates to a water injection system and a control method thereof, which comprise a water storage unit with a liquid level control device and a heating device, and a collector unit for controlling the water injection rate by adjusting the proportion between the size of a flow-limiting small hole and the minimum discharge area of a rupture disk; the water storage unit is connected with a pressure stabilizing unit with a heating unit and a cooling unit inside through management, the water storage unit and the pressure stabilizing unit are both provided with a vacuum pumping system, and the pressure stabilizing unit is further connected with an inert gas pumping system.
Description
Technical Field
The invention belongs to the technical field of water injection control, and particularly relates to a water injection system and a control method.
Background
Many systems that need water injection, including test set and industrial production line, all need accurate control water injection quality, including to the temperature of water injection, water injection rate, water injection duration or water injection total amount etc..
In the prior art, the most conventional water injection method is to add water into a water storage tank, heat the water, pressurize and supply the heated water to a user through an additional water pump, and adopt an automatic control system to control water temperature, water pressure and water injection time according to a slightly automatic scheme.
However, the existing water injection methods have many problems, such as that the water temperature is suddenly high and suddenly low, the water pressure and the water injection rate are difficult to stabilize, the water injection duration and the total amount are also difficult to accurately control, so that the water injection quality is not high, the use experience of a water user is influenced, and the use of the water user is not favorable for use scenes with accurate control requirements.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a water injection system and a control method, which can accurately control the temperature, the speed and the time of water injection, can adjust the temperature, the speed and the time of water injection as required and can stabilize the temperature and the speed of water injection.
The technical scheme of the invention provides a water injection system, which is characterized in that: the device comprises a water storage vessel with a liquid level control device and a heating device, and a collector unit for controlling the water injection rate by adjusting the proportion between the size of a flow-limiting small hole and the minimum discharge area of a rupture disk; the water storage vessel is connected with a pressure stabilizing unit with a heating unit and a cooling unit inside through management, the water storage vessel and the pressure stabilizing unit are both provided with a vacuum pumping system, and the pressure stabilizing unit is also connected with an inert gas pumping system.
Further, the invention also provides a water injection control method, which is characterized by comprising the following steps:
step 2, closing a vacuum pumping system of the water storage vessel, continuously pumping inert gas into the system through the inert gas pumping system until the pressure in the system is recovered to normal pressure, and closing the inert gas pumping system;
step 3, injecting water at normal temperature and normal pressure into the water storage vessel, then closing the pipeline connection between the water storage vessel and the pressure stabilizing unit, and boiling the water added into the water storage vessel through heating equipment;
pumping inert gas into a pressure stabilizing tank body of the pressure stabilizing unit through the inert gas pumping system to enable the inert gas in the pressure stabilizing tank body to be higher than normal pressure; after water added into the water storage vessel is boiled, the pipeline between the water storage vessel and the pressure stabilizing unit is conducted to be connected, a pressure relief valve on the water storage vessel is opened, high-pressure inert gas in the pressure stabilizing tank is filled into the water storage vessel to purge gas in a cavity at the upper part of the water storage vessel, and then the pressure relief valve on the water storage vessel is closed;
step 5, pumping inert gas into the system again through the inert gas pumping system and the pressure stabilizing tank body of the pressure stabilizing unit to enable the gas pressure in the system to reach a set threshold value, then conducting a pipeline between the water storage vessel and the collector unit, and starting the heating equipment to continuously heat the water in the water storage vessel to a set temperature;
and 6, heating the inert gas by heating equipment in the pressure stabilizing unit to further raise the pressure in the system to a set threshold value, continuously heating and raising the temperature of the water in the water storage vessel by the heating equipment until the pressure of the system is raised to the bursting pressure of the rupture disk in the collector unit, bursting the rupture disk, acquiring a pressure step change signal by a high-frequency pressure transmitter of the collector unit, controlling to start water injection and timing, simultaneously closing the heating equipment in the pressure stabilizing unit, and stopping water injection when the preset water injection duration is reached.
In the step 4 and the step 5, the pumping speed of the inert gas is 1kPa/s, and in the step 4, the pumping of the inert gas is stopped when the pressure in the pressure stabilizing tank body is increased to 0.2 MPa; and 5, stopping pumping the inert gas when the system pressure is increased to 12MPa in the step 5, namely setting the threshold value to be 12 MPa.
In the step 6, the pressure increasing rate in the heating control system for the inert gas is 0.3kPa/s, and the system pressure is increased to a set threshold value of 13 MPa.
In the step 6, after water injection is stopped, a pipeline between the water storage vessel and the collector unit is turned off, then a cooling unit in the pressure stabilizing unit is started to cool the system, and meanwhile, an exhaust valve on a pressure stabilizing tank body of the pressure stabilizing unit is opened, the exhaust valve is adjusted to a small opening degree, and air is slowly exhausted; and when the inert gas in the system is exhausted, reducing the system to a normal temperature and normal pressure state, and opening the drain valve and the exhaust valve on the water storage vessel and the pressure stabilizing tank to the maximum.
And (4) winding an electric tracing wire on the pipeline between the water storage vessel and the collector unit, and starting the step 4 to heat the pipeline between the water storage vessel and the collector unit by starting the electric tracing wire.
Compared with the prior art, the water injection system has the advantages that the water injection temperature and the water injection rate are stable, and the water injection duration or the total water injection amount is controllable. The system has accurate control on the water injection temperature, rate and time, can adjust the water injection temperature, the water injection rate and the time according to the needs, and has reliable operation, convenient construction and strong economy.
Drawings
The foregoing and following detailed description of the invention will be apparent when read in conjunction with the following drawings, in which:
FIG. 1 is a schematic structural view of a basic embodiment of the present invention;
FIG. 2 is a schematic structural view of a preferred embodiment of the rupture disk apparatus of the present invention;
in the figure:
1. a water storage vessel; 2. a high temperature high pressure level gauge; 3. a heating rod; 4. electrically tracing a heating wire; 5. a venturi flow meter; 6. a rupture disc device; 7. a collector; 7.1, a small flow limiting hole; 7.2, a flow restriction; 7.3, rupture disk; 7.4, a rupture disk holder; 8. a pressure stabilizing tank body; 9. an air injection valve; 10. a booster pump; 11. an inert gas source; 12. an exhaust valve; 13. an electrically operated shutoff valve; 14. a vacuum pumping system; 15. a serpentine cooling tube; 16. the cooling water is pumped to the equipment.
Detailed Description
The technical solutions for achieving the objects of the present invention are further illustrated by the following specific examples, and it should be noted that the technical solutions claimed in the present invention include, but are not limited to, the following examples.
Example 1
As the most basic embodiment of the water injection system, the system comprises a water storage vessel 1 with a liquid level control device and a heating device, and a collector 7 unit for controlling the water injection rate by adjusting the ratio of the size of a flow-limiting small hole 7.1 to the minimum discharge area of a rupture disk 7.3; the water storage container 1 is connected with a pressure stabilizing unit with a heating unit and a cooling unit inside through management, the water storage container 1 and the pressure stabilizing unit are both provided with a vacuum pumping system 14, and the pressure stabilizing unit is also connected with an inert gas pumping system; as a most basic embodiment of the present invention, the water injection apparatus shown in FIG. 1 comprises a water storage tank 1 having a high temperature and high pressure liquid level meter 2 and a heating rod 3 provided therein; the bottom of the water storage tank 1 is connected to a collector 7 provided with a rupture disk device 6 through a pipeline provided with an electric heat tracing device 4 and a Venturi flow meter 5; the upper part of the water storage tank 1 is connected with a pressure stabilizing tank 8 provided with a heating rod 3 and a cooling device through a pipeline, and the upper part of the pressure stabilizing tank 8 is also connected with an inert gas source 11 through an air injection valve 9 and a pipeline with a booster pump 10.
The water storage tank 1 is connected with a normal-temperature normal-pressure water source, water is injected into the water storage tank 1 before starting, the water level is monitored by the high-temperature high-pressure liquid level meter 2, and the water injection is automatically stopped after the total water injection amount requirement is met; the water storage tank 1 is internally provided with a heating rod 3, a temperature thermocouple and the like and can be connected with a temperature controller, the water temperature in the water storage tank 1 meets the water injection requirement through heating of the heating rod 3, monitoring and control of the thermocouple and the temperature controller, and in addition, an electric tracing wire can be wound on a water injection pipeline to make up the heat dissipation loss when water flows from the water storage heating tank to the rupture disk device 6; inert gas is filled in the pressure stabilizing tank 8 and the air cavity of the water storage heating tank connected with the pressure stabilizing tank, and the volume of the pressure stabilizing tank 8 is far larger than the total volume of the injected water in the water storage heating tank. Before and after water injection, the total volume change rate of the pressure stabilizing tank 8 and the upper air cavities of the water storage heating tank is small, the inert gas is approximately in an isobaric process in the water injection process, and the pressure is stable in the water injection process.
In order to ensure the safety of the pressure boundary of the water injection system, safety valves are respectively arranged on the two pressure-bearing devices of the water storage tank 1 and the pressure stabilizing tank 8.
The top of the water storage tank 1 is provided with a normal temperature and normal pressure water source inlet pipe with a water injection valve and a vacuum suction pipeline with an exhaust valve 12, an electric stop valve 13 and a vacuum pumping system 14. The bottom of the water storage tank 1 and a pipeline connected with the collector 7 are provided with a high-frequency pressure sensor and are close to the two ends of the water storage tank 1 and the collector 7 are provided with pneumatic valves or electromagnetic valves. For the accurate control water injection duration, set up high frequency dynamic pressure sensor on the water injection pipeline, pneumatic valve or solenoid valve, high frequency dynamic pressure sensor is close to rupture disk device 6, rupture disk 7.3 upstream system pressure rises slowly, rupture disk 7.3 explodes and takes place in the twinkling of an eye, the pressure of rupture disk 7.3 upstream water produces step change, after high frequency dynamic pressure sensor gathered step pressure signal, the water injection begins the timing, pneumatic valve or solenoid valve that response time is short is installed on the water injection pipeline, reach the water injection duration of regulation, the pneumatic valve is automatic shut down under automatic control system control, the water injection is ended. Through high frequency dynamic pressure sensor, pneumatic valve, automatic control system, water injection system's water injection duration can accurate control. The collector 7 comprises a cavity fixedly arranged on the mounting position and a rupture disc device 6 arranged in the cavity and used for being connected with a pipeline.
Further, as shown in fig. 2, the rupture disk device 6 includes a flow-limiting member 7.2 provided with a small flow-limiting hole 7.1 in the middle, and a rupture disk holder 7.4 matched with the flow-limiting member 7.2 and used for holding the rupture disk 7.3 at a position corresponding to the small flow-limiting hole 7.1; namely, the upstream limited flow pore 7.1 of the retainer of the rupture disk 7.3, when the upstream pressure of the limited flow pore 7.1 is stable or exceeds a certain value, the flow rate of water passing through the limited flow pore 7.1 is a fixed value; the area of the small flow limiting hole 7.1 is far smaller than the minimum release area of the rupture disk 7.3, the flow speed of water flowing through the rupture disk device 6 is only influenced by the size of the small flow limiting hole 7.1 and is not influenced by the uncertainty of the area of the rupture disk 7.3, and the expected water injection speed requirement can be realized by adjusting the structural sizes such as the diameter and the length of the small flow limiting hole 7.1.
Preferably, both ends of the surge tank 8 are provided with a plurality of heating rods 3 extending into the tank body of the surge tank 8, the middle part of the tank body of the surge tank 8 is provided with a serpentine cooling pipe 15, and the serpentine cooling pipe 15 is connected with a cooling water pump supply device 16 arranged outside the collector 7 through a pipeline. The upper part of the tank body of the pressure stabilizing tank 8 is provided with a vacuum suction pipeline with an electric stop valve 13 and a vacuum pumping system 14, the water storage tank 1 and the pressure stabilizing tank 8 are respectively connected with a vacuum pump, and the water injection system can be vacuumized before water injection.
Example 2
Referring to fig. 1, the water injection control method according to the present invention comprises the following steps:
step 2, closing the vacuum pumping system 14 of the water storage container 1, continuing pumping inert gas into the system through the inert gas pumping system until the pressure in the system is recovered to normal pressure, and closing the inert gas pumping system;
step 3, injecting water at normal temperature and normal pressure into the water storage vessel 1, then closing the pipeline connection between the water storage vessel 1 and the pressure stabilizing unit, and boiling the water added into the water storage vessel 1 through heating equipment;
step 4, pumping inert gas into the pressure stabilizing tank body 8 of the pressure stabilizing unit through the inert gas pumping system to enable the inert gas in the pressure stabilizing tank body 8 to be higher than normal pressure; after water added into the water storage vessel 1 is boiled, the pipeline between the water storage vessel 1 and the pressure stabilizing unit is conducted to be connected, a pressure relief valve on the water storage vessel 1 is opened, high-pressure inert gas in the pressure stabilizing tank body 8 is filled into the water storage vessel 1 to purge gas in a cavity at the upper part of the water storage vessel 1, and then the pressure relief valve on the water storage vessel 1 is closed;
step 5, pumping inert gas into the system again through the inert gas pumping system and the pressure stabilizing tank body 8 of the pressure stabilizing unit to enable the gas pressure in the system to reach a set threshold value, then conducting a pipeline between the water storage vessel 1 and the collector 7 unit, and starting the heating equipment to continuously heat the water in the water storage vessel 1 to a set temperature;
and step 6, heating the inert gas by heating equipment in the pressure stabilizing unit to further raise the pressure in the system to a set threshold value, continuously heating and raising the temperature of the water in the water storage vessel 1 by the heating equipment until the system pressure is raised to the explosion pressure of the explosion piece 7.3 in the collector 7 unit, exploding the explosion piece 7.3, acquiring a pressure step change signal by a high-frequency pressure transmitter of the collector 7 unit, controlling to start water injection and timing, simultaneously closing the heating equipment in the pressure stabilizing unit, and stopping water injection when the preset water injection duration is reached.
Example 3
As a preferable embodiment of the water injection control method of the present invention, based on the technical solution of the above example 2, further, in the step 4 and the step 5, the pumping rate of the inert gas is 1kPa/s, and the pumping of the inert gas is stopped when the pressure in the surge tank 8 is increased to 0.2MPa in the step 4; and 5, stopping pumping the inert gas when the system pressure is increased to 12MPa in the step 5, namely setting the threshold value to be 12 MPa.
In the step 6, the pressure increasing rate in the heating control system for the inert gas is 0.3kPa/s, and the system pressure is increased to a set threshold value of 13 MPa.
In the step 6, after water injection is stopped, a pipeline between the water storage vessel 1 and the collector 7 unit is closed, then a cooling unit in the pressure stabilizing unit is started to cool the system, meanwhile, an exhaust valve 12 on a pressure stabilizing tank 8 of the pressure stabilizing unit is started, the exhaust valve 12 is adjusted to be small in opening degree, and air is slowly exhausted; and when the inert gas in the system is emptied, reducing the system to a normal temperature and normal pressure state, and opening the water storage vessel 1 of the water storage vessel 1 and a liquid discharge valve and an exhaust valve 12 on the pressure stabilizing tank to the maximum.
And (3) winding an electric tracing wire 4 on a pipeline between the water storage vessel 1 and the collector 7 unit, starting the step 4, and starting the electric tracing wire 4 to heat the pipeline between the water storage vessel 1 and the collector 7 unit.
Claims (5)
1. A water injection system which is characterized in that: the device comprises a water storage vessel (1) with a liquid level control device and a heating device, and a collector (7) unit for controlling the water injection rate by adjusting the proportion between the size of a flow-limiting small hole (7.1) and the minimum discharge area of a rupture disk (7.3); the water storage container (1) is connected with a pressure stabilizing unit with a heating unit and a cooling unit inside through a pipeline, the water storage container (1) and the pressure stabilizing unit are both provided with a vacuum pumping system (14), and the pressure stabilizing unit is also connected with an inert gas pumping system; the top of the water storage vessel (1) is provided with a normal-temperature normal-pressure water source inlet pipe with a water injection valve and a vacuum suction pipeline with an exhaust valve (12), an electric stop valve (13) and a vacuum pumping system (14); a high-frequency pressure sensor is arranged on a pipeline connecting the bottom of the water storage container (1) and the collector (7), and pneumatic valves or electromagnetic valves are arranged at two ends of the water storage container (1) and the collector (7).
2. A water injection control method for a water injection system as claimed in claim 1, comprising the steps of:
step 1, performing vacuum suction on a water storage vessel (1) through a vacuum pumping system (14), and pumping inert gas into the system through a pressure stabilizing tank body (8) of a pressure stabilizing unit through an inert gas pumping system to finish the replacement of gas in the system;
step 2, closing a vacuum pumping system (14) of the water storage vessel (1), continuously pumping inert gas into the system through the inert gas pumping system until the pressure in the system is recovered to normal pressure, and closing the inert gas pumping system;
step 3, injecting water at normal temperature and normal pressure into the water storage container (1), then closing the pipeline connection between the water storage container (1) and the pressure stabilizing unit, and boiling the water added into the water storage container (1) through a heating device;
step 4, pumping inert gas into a pressure stabilizing tank body (8) of the pressure stabilizing unit through the inert gas pumping system to enable the inert gas in the pressure stabilizing tank body (8) to be higher than normal pressure; after water added into the water storage vessel (1) is boiled, a pipeline between the water storage vessel (1) and the pressure stabilizing unit is conducted to be connected, a pressure relief valve on the water storage vessel (1) is opened, high-pressure inert gas in the pressure stabilizing tank body (8) is filled into the water storage vessel (1) to sweep gas in a cavity at the upper part of the water storage vessel (1) completely, and then the pressure relief valve on the water storage vessel (1) is closed;
step 5, pumping inert gas into the system again through the inert gas pumping system through a pressure stabilizing tank body (8) of the pressure stabilizing unit to enable the gas pressure in the system to reach a set threshold value, then conducting a pipeline between the water storage vessel (1) and the collector (7) unit, and starting the heating equipment to continuously heat the water in the water storage vessel (1) to a set temperature;
step 6, heating the inert gas by heating equipment in the pressure stabilizing unit to further raise the pressure in the system to a set threshold value, continuing to heat and raise the temperature of the water in the water storage vessel (1) by the heating equipment until the system pressure is raised to the explosion pressure of a rupture disk (7.3) in the collector (7), exploding the rupture disk (7.3), acquiring a pressure step change signal by a high-frequency pressure transmitter of the collector (7), controlling to start water injection and timing, closing the heating equipment in the pressure stabilizing unit, and stopping water injection when the preset water injection duration is reached; after water injection is stopped, a pipeline between the water storage vessel (1) and the collector (7) unit is closed, then a cooling unit in the pressure stabilizing unit is started to cool the system, and an exhaust valve (12) on a pressure stabilizing tank body (8) of the pressure stabilizing unit is started to exhaust air; and when the inert gas in the system is emptied, reducing the system to a normal temperature and normal pressure state, and opening the drain valve and the exhaust valve (12) on the water storage vessel (1) and the pressure stabilizing tank to the maximum.
3. A water injection control method as claimed in claim 2, characterized in that: in the step 4 and the step 5, the pumping speed of the inert gas is 1kPa/s, and in the step 4, the pumping of the inert gas is stopped when the pressure in the pressure stabilizing tank body (8) is increased to 0.2 MPa; and 5, stopping pumping the inert gas when the system pressure is increased to 12MPa in the step 5, namely setting the threshold value to be 12 MPa.
4. A water injection control method as claimed in claim 2, characterized in that: in the step 6, the pressure increasing rate in the heating control system for the inert gas is 0.3kPa/s, and the system pressure is increased to a set threshold value of 13 MPa.
5. A water injection control method as claimed in claim 2, characterized in that: and an electric tracing heating wire (4) is wound on a pipeline between the water storage vessel (1) and the collector (7), and the step 4 is started to heat the pipeline between the water storage vessel (1) and the collector (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911415990.4A CN111076090B (en) | 2019-12-31 | 2019-12-31 | Water injection system and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911415990.4A CN111076090B (en) | 2019-12-31 | 2019-12-31 | Water injection system and control method |
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| CN111076090B true CN111076090B (en) | 2021-11-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4704710B2 (en) * | 2004-08-26 | 2011-06-22 | 武蔵エンジニアリング株式会社 | Liquid dispensing device |
| JP2008540944A (en) * | 2005-05-03 | 2008-11-20 | アドバンスド テクノロジー マテリアルズ，インコーポレイテッド | Fluid storage / distribution system and fluid supply process including the same |
| CN206308002U (en) * | 2016-12-08 | 2017-07-07 | 北京航天试验技术研究所 | A kind of novel portable fluid circuit filling apparatus |
| CN206599435U (en) * | 2017-01-25 | 2017-10-31 | 宁夏吴忠市苏酥清真粮油工贸有限公司 | A kind of air pressure conveys the Fuel Tanking Unit of edible oil |
| CN207468181U (en) * | 2017-08-17 | 2018-06-08 | 四川五月花精密机械有限公司 | It is a kind of to supply wine control system |
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