CN219031917U - Water supply oxygenation conversion device - Google Patents

Water supply oxygenation conversion device Download PDF

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Publication number
CN219031917U
CN219031917U CN202223233510.2U CN202223233510U CN219031917U CN 219031917 U CN219031917 U CN 219031917U CN 202223233510 U CN202223233510 U CN 202223233510U CN 219031917 U CN219031917 U CN 219031917U
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China
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oxygenation
storage tank
supercritical unit
outlet end
tank body
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CN202223233510.2U
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Inventor
王华阳
柯鸿攀
滕野
杨裕民
李俊菀
胡振华
汪思华
毛广云
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Guoneng Shenfu Shishi Power Generation Co ltd
Xian Thermal Power Research Institute Co Ltd
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Guoneng Shenfu Shishi Power Generation Co ltd
Xian Thermal Power Research Institute Co Ltd
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Abstract

The utility model discloses a feed water oxygenation conversion device which is used for a supercritical unit or an oxygenation conversion test of the supercritical unit; comprises an oxygen source, a condensed water source and a mixed storage tank; the outlet end of the oxygen source and the outlet end of the condensed water source are connected with the feed inlet of the mixing storage tank, and the discharge outlet of the mixing storage tank is divided into three paths; the first path is connected with a water supply oxygenation point of the supercritical unit or the ultra-supercritical unit, the second path is connected with a condensate oxygenation point of the supercritical unit or the ultra-supercritical unit, and the third path is connected with a high-oxygenation hydrophobic oxygenation point of the supercritical unit or the ultra-supercritical unit; the supercritical unit or the ultra supercritical unit is provided with the existing oxygenation equipment; wherein, the existing oxygenation equipment adopts gaseous oxygenation equipment; according to the utility model, liquid oxygen-enriched water is used as an oxygenation medium in the oxygenation conversion period, so that the accuracy of oxygenation is improved, the risks of rising of hydrogen conductivity and falling of oxide scale in a water vapor system of a unit are avoided, and the safety in the oxygenation conversion period is improved.

Description

Water supply oxygenation conversion device
Technical Field
The utility model belongs to the technical field of chemical feed water oxygenation treatment of power plants, and particularly relates to a feed water oxygenation conversion device.
Background
Most thermal power generating units adopt high-efficiency, clean and low-carbon supercritical units or ultra-supercritical units; under the conditions of coal quality blended combustion, large amount of grid connection of new energy, frequent peak regulation, starting and stopping and reduced annual utilization time, the supercritical unit or thermodynamic equipment in the supercritical unit is faced with the requirements of corrosion prevention and scale prevention during operation; in the running state of the unit AVT, the water supply and drainage system generates a runner to accelerate corrosion, so that the safe running of the unit is seriously affected.
In the prior art, the purposes of corrosion prevention and scale prevention of thermodynamic equipment such as a water vapor system and the like are generally realized by a water supply and oxygenation mode; specifically, by adding proper dissolved oxygen into the condensate system, the water supply system and the high-addition and drainage system, fe on the surface of the pipeline of the thermodynamic equipment can be reduced 3 O 4 Conversion to Fe 3 O 4 +Fe 2 O 3 Thereby effectively realizing corrosion protection to the thermodynamic equipment.
At present, most of the existing oxygenation devices take air and oxygen as oxygenation media, and because of the compressibility of gas, the amount of oxygenation is difficult to control accurately; particularly in the oxygenation conversion test, the oxygenation amount needs to be accurately controlled, otherwise, the accidents of rising of the water vapor hydrogen conductivity or falling of oxide skin of the furnace tube easily occur.
Disclosure of Invention
Aiming at the technical problems in the prior art, the utility model provides a water-supply oxygenation conversion device, which aims to solve the technical problems that the oxygenation amount is difficult to accurately control by the existing oxygenation equipment, and the water vapor hydrogen conductivity is easy to rise or the oxide skin of a furnace tube falls off in an oxygenation conversion test.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a feed water oxygenation conversion device which is used for a supercritical unit or an oxygenation conversion test of the supercritical unit; the water supply oxygenation conversion device comprises an oxygen source, a condensation water source and a mixing storage tank;
the outlet end of the oxygen source and the outlet end of the condensed water source are connected with the feed inlet of the mixing storage tank, and the discharge outlet of the mixing storage tank is divided into three paths; the first path is connected with a water supply oxygenation point of the supercritical unit or the ultra-supercritical unit, the second path is connected with a condensate oxygenation point of the supercritical unit or the ultra-supercritical unit, and the third path is connected with a high-oxygenation hydrophobic oxygenation point of the supercritical unit or the ultra-supercritical unit;
the supercritical unit or the ultra supercritical unit is internally provided with the existing oxygenation equipment; wherein, the existing oxygenation equipment adopts gaseous oxygenation equipment.
Further, the oxygen source comprises a gas storage device, a pressure reducing valve and a pressure stabilizing valve; the gas storage device is characterized in that oxygen or air is stored in the gas storage device, the outlet end of the gas storage device is connected with the inlet end of the pressure reducing valve, the outlet end of the pressure reducing valve is connected with the inlet end of the pressure stabilizing valve, and the outlet end of the pressure stabilizing valve is connected with the feed inlet of the mixing storage tank.
Further, the condensate water source comprises a condensate water fine treatment outlet main pipe, a first booster pump and a first stop valve, wherein the outlet end of the condensate water fine treatment outlet main pipe is connected with the inlet end of the first booster pump, the outlet end of the first booster pump is connected with the inlet end of the first stop valve, and the outlet end of the first stop valve is connected with the feed inlet of the mixing storage tank.
Further, the mixing storage tank comprises a storage tank body, an atomization spray head and a stirrer;
the upper end of the storage tank body is provided with a feed inlet, and one side of the feed inlet is connected with the outlet end of the oxygen source and the outlet end of the condensation water source; the atomizing nozzle is arranged at the top end of the interior of the storage tank body, and the other side of the feeding port is connected with the inlet end of the atomizing nozzle;
the stirrer is arranged at the bottom end of the storage tank body; a discharge hole is formed in the side wall of the lower end of the storage tank body; a drain outlet is arranged at the bottom end of the storage tank body; wherein, the drain outlet is provided with a drain valve.
Further, the mixing storage tank further comprises a liquid level meter and a pressure gauge; the liquid level meter is arranged on the storage tank body and is used for acquiring liquid level data in the storage tank body in real time; the pressure gauge is arranged at the top end of the storage tank body and used for acquiring internal pressure data of the storage tank body in real time.
Further, the pressure resistance p of the storage tank body is as follows: p is more than or equal to 1.6MPa and less than or equal to 10.0MPa; the aperture of the atomizing nozzle is not more than 0.2mm, and the spraying amount of the atomizing nozzle is more than 0.3L/min.
Further, a second booster pump and a fifth stop valve are sequentially arranged on a first path of a discharge hole of the storage tank body; a third booster pump and a sixth stop valve are sequentially arranged on a second path of the discharge port of the mixing storage tank; a fourth booster pump and a seventh stop valve are sequentially arranged on a third path of the discharge port of the mixing storage tank.
Further, the gas pressure at the outlet end of the oxygen source is not less than 1.2MPa; the outlet end condensate pressure of the condensate water source is more than or equal to 1.2MPa.
Further, the gaseous oxygenation equipment adopts an oxygenation device which takes air or oxygen as oxygenation medium; the first outlet end of the gaseous oxygenation device is connected with the water supply oxygenation point, the second outlet end of the gaseous oxygenation device is connected with the condensate water oxygenation point, and the third outlet end of the gaseous oxygenation device is connected with the high-oxygenation hydrophobic oxygenation point.
Further, a second stop valve is arranged at the first outlet end of the gaseous oxygenation device, a third stop valve is arranged at the second outlet end of the gaseous oxygenation device, and a fourth stop valve is arranged at the third outlet end of the gaseous oxygenation device.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides a water supply oxygenation conversion device, which is characterized in that an oxygen source and a condensed water source are connected into a mixing storage tank, oxygen and the condensed water are mixed in the mixing storage tank to form liquid oxygen-enriched water, the liquid oxygen-enriched water is used as an oxygenation medium in an oxygenation conversion test, the accurate control of oxygenation is realized, the safety during the oxygenation conversion test is ensured, and the risks of rising of the conductivity of water vapor hydrogen and falling of oxide scale are avoided; meanwhile, after the oxygenation conversion test is finished, the gas oxygenation equipment is used for oxygenation, so that the normal operation of the unit is ensured; the device has simple structure and convenient operation, and can dismantle and recycle equipment after finishing the oxygenation conversion test, thereby reducing the equipment installation and manufacturing cost and obviously improving the service efficiency of the equipment.
Further, the oxygen source and the condensation water source are connected with the atomizing nozzle, and the stirrer is arranged at the bottom end of the storage tank body, so that the mixing efficiency of oxygen and condensation water is improved, and the accurate control of the oxygen content of liquid oxygen-enriched water is realized.
Drawings
FIG. 1 is a schematic diagram of a feedwater oxygenation conversion apparatus according to the present utility model.
The device comprises a gas storage device 1, a pressure reducing valve 2, a pressure stabilizing valve 3, a condensate water refined treatment outlet main pipe 4, a first booster pump 5, a first stop valve 6, a mixing storage tank 7, an atomization spray nozzle 8, a stirrer 9, a liquid level meter 10, a pressure gauge 11, a blow-down valve 12, a gaseous oxygenation device 13, a second stop valve 14, a third stop valve 15, a fourth stop valve 16, a second booster pump 17, a fifth stop valve 18, a third booster pump 19, a sixth stop valve 20, a fourth booster pump 21 and a seventh stop valve 22.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the following specific embodiments are used for further describing the utility model in detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in figure 1, the utility model provides a feed water oxygenation conversion device which is used for a supercritical unit or an oxygenation conversion test of the supercritical unit; the feedwater oxygenation conversion device comprises an oxygen source, a condensate water source, a mixing pipeline and a mixing storage tank 7.
Oxygen or air is stored in the oxygen source, and condensed water is stored in the condensed water source; the outlet end of the oxygen source is connected with the first inlet of the mixing pipeline, and the outlet end of the condensed water source is connected with the second inlet of the mixing pipeline; the outlet end of the mixing pipeline is connected with the feed inlet of the mixing storage tank 7.
The discharge port of the mixing storage tank 7 is divided into three paths; the first path is connected with a supercritical unit or a water supply oxygenation point of the supercritical unit and is used as a condensed water oxygenation conveying system; the second path is connected with a supercritical unit or a condensation water oxygenation point of the supercritical unit and is used as a water supply oxygenation conveying system; the third path is connected with a supercritical unit or a high-adding hydrophobic oxygenation point of the supercritical unit and is used as a high-adding hydrophobic oxygenation conveying system; each path of oxygen-enriched water is conveyed to an oxygen adding pipeline of original gaseous oxygen adding equipment through a booster pump, so that oxygen adding of a supercritical unit or a ultra supercritical unit is realized.
In the utility model, the oxygen source comprises a gas storage device 1, a pressure reducing valve 2 and a pressure stabilizing valve 3, wherein oxygen or air is stored in the gas storage device 1; the outlet end of the gas storage device 1 is connected with the inlet end of the pressure reducing valve 2, the outlet end of the pressure reducing valve 2 is connected with the inlet end of the pressure stabilizing valve 3, and the outlet end of the pressure stabilizing valve 3 is connected with the first inlet of the mixing pipeline; namely, the outlet end of the pressure stabilizing valve 3 is connected with the feed inlet of the mixing storage tank 7 through a mixing pipeline; preferably, the gas storage device 1 is a gas cylinder; the internal pressure of the gas cylinder is not less than 1.5MPa in the use process; the pressure of the oxygen or air in the gas cylinder after being decompressed by the decompression valve 2 is not less than 1.2MPa, so that the oxygen or air in the oxygen cylinder can enter the mixing storage tank 7 after passing through the decompression valve.
In the utility model, the condensed water source comprises a condensed water fine treatment outlet main pipe 4, a first booster pump 5 and a first stop valve 6; the outlet end of the condensate polishing outlet main pipe 4 is connected with the inlet end of the first booster pump 5, the outlet end of the first booster pump 5 is connected with the inlet end of the first stop valve 6, and the outlet end of the first stop valve 6 is connected with the second inlet of the mixing pipeline; namely, the outlet end of the first stop valve 6 is connected with the feed inlet of the mixing storage tank 7 through a mixing pipeline; the first booster pump 5 is used for boosting the condensed water from the condensed water fine treatment outlet main pipe 4, and the pressure of the boosted condensed water is greater than or equal to 1.2MPa so as to ensure that the boosted condensed water can enter the mixing storage tank 7.
In the utility model, the mixing storage tank 7 comprises a storage tank body, an atomization spray head 8, a stirrer 9, a liquid level meter 10 and a pressure gauge 11; the storage tank body is a high-pressure sealed tank body, the upper end of the storage tank body is provided with a feed inlet, and one side of the feed inlet is connected with the outlet end of the mixing pipeline; the atomizing nozzle 8 is arranged at the top end of the interior of the storage tank body, and the other side of the feed inlet is connected with the inlet end of the atomizing nozzle 8 through a pipeline; the stirrer 9 is arranged at the bottom end of the inside of the storage tank body, and the stirrer 9 is used for stirring and mixing oxygen and condensed water which are conveyed into the storage tank body to form liquid oxygen-enriched water; the storage tank body is a high-pressure tank body, and the volume of the high-pressure storage tank is greater than or equal to 50L; the pressure-resistant pressure p of the storage tank body is as follows: p is more than or equal to 1.6MPa and less than or equal to 10.0MPa; the aperture of the atomizing nozzle 8 is not more than 0.2mm, and the spraying amount of the atomizing nozzle 8 is more than 0.3L/min.
A discharge hole is formed in the side wall of the lower end of the storage tank body, and the discharge hole is respectively connected with a water supply oxygenation point, a condensate oxygenation point and a high water-adding and drainage oxygenation point of the supercritical unit or the ultra supercritical unit through three paths of conveying branch pipes; wherein, the first path of conveying branch pipe is sequentially provided with a second booster pump 17 and a fifth stop valve 18; a third booster pump 19 and a sixth stop valve 20 are sequentially arranged on the second path of conveying branch pipe; a fourth booster pump 21 and a seventh stop valve 22 are sequentially arranged on the third delivery branch pipe; the liquid oxygen-enriched water flowing out of the storage tank body is pressurized by a second booster pump 17 on the first path of conveying branch pipe, and the pressure of the pressurized liquid oxygen-enriched water is more than 2MPa; the liquid oxygen-enriched water flowing out of the storage tank body is pressurized by a third booster pump 19 on the second path of conveying branch pipe, and the pressure of the pressurized liquid oxygen-enriched water is more than 4MPa; the liquid oxygen-enriched water flowing out of the storage tank body is pressurized by a fourth booster pump 21 on the third delivery branch pipe, and the pressure of the pressurized liquid oxygen-enriched water is more than 12MPa.
A drain outlet is formed in the bottom end of the storage tank body, and the drain valve 12 is arranged at the drain outlet; wherein, the drain valve 12 is used for discharging the unqualified water quality in the storage tank body; the liquid level meter 10 is arranged on the storage tank body and is used for acquiring liquid level data in the storage tank body in real time; the pressure gauge 11 is arranged at the top end of the storage tank body and is used for acquiring internal pressure data of the storage tank body in real time.
In the utility model, the supercritical unit or the ultra supercritical unit is provided with the existing oxygenation equipment; wherein, the existing oxygenation equipment adopts a gaseous oxygenation equipment 13, and the gaseous oxygenation equipment 13 adopts an oxygenation device which takes air or oxygen as an oxygenation medium; the gaseous oxygenation device 13 is provided with three outlet ports, including a first outlet port, a second outlet port and a third outlet port.
The first outlet end is connected with a supercritical unit or a water supply and oxygenation point of the supercritical unit through a first pipeline, and a second stop valve 14 is arranged on the first pipeline; the second outlet end is connected with a supercritical unit or a condensation and oxygenation point of the supercritical unit through a second pipeline, and a third stop valve 15 is arranged on the second pipeline; the third outlet end is connected with a supercritical unit or a high-water-adding, hydrophobic and oxygen-adding point of the supercritical unit, and a fourth stop valve 16 is arranged on the third pipeline.
In the present utility model, the first stop valve 6, the second stop valve 14, the third stop valve 15, the fourth stop valve 16, the fifth stop valve 18, the sixth stop valve 20, and the seventh stop valve 22 are manual stop valves or electric stop valves.
According to the water supply oxygenation conversion device, the discharge port of the mixing storage tank is divided into three paths, and each path is used for conveying liquid oxygen-enriched water to a supercritical unit or an oxygenation pipeline of existing gaseous oxygenation equipment in the supercritical unit through a booster pump; liquid oxygen-enriched water is used as an oxygenation medium in the oxygenation conversion period, and because the oxygen-enriched water is in a liquid state and has incompressibility, the oxygen content in the oxygen-enriched water is easy to control; therefore, by controlling the adding amount of the liquid oxygen-enriched water, the accurate control of the oxygen adding amount during the oxygen adding conversion period can be effectively ensured, and the absolute safety of a supercritical unit or the supercritical unit during the oxygen adding conversion period is realized.
Working principle:
when the supercritical unit or the ultra supercritical unit normally operates and is in an AVT (O) working condition, the water supply oxygenation conversion device is utilized to carry out oxygenation conversion test; wherein, the gaseous oxygenation equipment 13 and the pipeline installation thereof are ensured to be completed and correct; the specific process is as follows:
first, the second stop valve 14, the third stop valve 15, and the fourth stop valve 16 are closed; then, the first pressure increasing valve 5 and the first stop valve 6 are opened, and the pressure reducing valve 2 and the pressure stabilizing valve 3 are opened at the same time, so that the gas in the gas storage device 1 and the condensed water in the condensed water refined treatment outlet main pipe 4 are mixed and then are conveyed and stored into the storage tank body through the atomizing nozzle 8; then, starting a stirrer 9, and fully mixing the gas stored in the storage tank body with the condensed water under the action of the stirrer 9 to obtain liquid oxygen-enriched water with preset concentration; the liquid level and the pressure in the storage tank body are monitored in real time by using a liquid level meter 10 and a pressure meter 11; when the water quality in the storage tank body is unqualified or the liquid level is higher than a preset threshold value, the blow-off valve 12 is opened to drain or change water; then, the second booster pump 17, the fifth stop valve 18, the third booster pump 19, the sixth stop valve 20, the fourth booster pump 21 and the seventh stop valve 22 are sequentially opened, and the liquid oxygen-enriched water is respectively conveyed to the water-feeding oxygen-adding point, the condensed water oxygen-adding point and the high water-adding hydrophobic oxygen-adding point of the supercritical unit or the ultra-supercritical unit under the action of the second booster pump 17, the third booster pump 19 and the fourth booster pump 21, so that the oxygen-adding conversion test is started.
After the test is finished, the seventh stop valve 22, the fourth booster pump 21, the sixth stop valve 20, the third booster pump 19, the fifth stop valve 18, the second booster pump 17, the pressure reducing valve 2, the pressure stabilizing valve 3, the first stop valve 6 and the first booster pump 5 are sequentially closed; then, the gaseous oxygenation equipment 13, the second stop valve 14, the third stop valve 15 and the fourth stop valve 16 are opened, the gaseous oxygenation equipment 13 is put into operation, and the unit is converted into oxygenation operation conditions.
The water supply oxygenation conversion device utilizes gas storage equipment 1 to supply gas, the gas is mixed with condensed water from a condensed water fine treatment outlet main pipe 4 after passing through a pressure reducing valve 2 and a pressure stabilizing valve 3, and liquid oxygen-enriched water is formed in a storage tank body under the stirring action of an atomizer 8 and a stirrer 9; then the second booster pump 17, the third booster pump 19 and the fourth booster pump 21 are utilized to boost the liquid oxygen-enriched water to a pressure required value of each oxygen adding point in the supercritical unit or the ultra supercritical unit, so that the oxygen adding operation of the water supply oxygen adding point, the condensate oxygen adding point and the high water adding and water adding oxygen adding point of the supercritical unit or the ultra supercritical unit is realized; according to the utility model, the mixing storage tank is used for mixing oxygen and condensed water to form liquid oxygen-enriched water, and the liquid oxygen-enriched water is used as an oxygenation medium in the oxygenation conversion period, so that the accuracy of oxygenation is improved, the risks of rise of hydrogen conductivity and oxide scale falling in a unit water vapor system are avoided, and the safety in the oxygenation conversion period is improved.
In the utility model, the gas cylinders are an oxygen cylinder and an air cylinder; when an oxygen bottle is adopted, oxygen-enriched water with higher concentration can be prepared, and the oxygen content in the oxygen-enriched water can be conveniently adjusted; when the pressure of the outlet end of the condensate polishing outlet main pipe is more than 1.2MPa, the first booster pump does not need to be started during the oxygenation conversion period; the gaseous oxygenation equipment adopts a supercritical unit or the existing oxygenation equipment in the supercritical unit.
The water supply oxygenation conversion device is suitable for a supercritical unit or an oxygenation conversion period of the supercritical unit, the unit operates normally and is in an AVT (O) working condition, and oxygenation conversion work is not performed yet; in the process of oxygen adding conversion of a supercritical unit or a ultra supercritical unit, liquid oxygen-enriched water is used as an oxygen adding medium in the process of oxygen adding conversion, so that the accurate control of the oxygen adding amount is realized, and the safety in the process of oxygen adding conversion is ensured; the device has the advantages of convenient structure and convenient use, and greatly improves the running safety of the unit during the oxygenation conversion.
The water supply oxygenation conversion device is suitable for a supercritical unit or a super supercritical unit for oxygenation treatment by adopting gaseous oxygenation equipment; the second stop valve, the third stop valve and the fourth stop valve are kept to be closed in the oxygenation conversion test; the device simple structure, convenient operation, transformation cost is low, only need with the pipeline to storage tank body discharge gate correspond the welding on existing oxygenation pipeline, can carry out the oxygenation conversion test, need not to change existing oxygenation equipment, and after the oxygenation conversion test is accomplished the cutting the equipment of feedwater oxygenation conversion device and shutoff correspond the interface after, can adopt existing gaseous equipment to add oxygen.
In the utility model, because the oxygenation medium is liquid oxygen-enriched water, the accurate and controllable oxygenation amount during oxygenation conversion is ensured, thereby ensuring the safety during oxygenation conversion, avoiding the risks of rising of the conductivity of water vapor hydrogen, peeling of oxide skin and the like, and providing powerful guarantee for safe and economic operation of a unit; after the oxygenation conversion test is completed, the equipment can be dismantled for recycling, the equipment installation and manufacturing cost is reduced, and the use efficiency of the equipment is obviously improved.
The above embodiment is only one of the implementation manners capable of implementing the technical solution of the present utility model, and the scope of the claimed utility model is not limited to the embodiment, but also includes any changes, substitutions and other implementation manners easily recognized by those skilled in the art within the technical scope of the present utility model.

Claims (10)

1. The feed water oxygenation conversion device is characterized by being used for a supercritical unit or an oxygenation conversion test of the supercritical unit; the water supply oxygenation conversion device comprises an oxygen source, a condensation water source and a mixing storage tank (7);
the outlet end of the oxygen source and the outlet end of the condensed water source are connected with the feed inlet of the mixing storage tank (7), and the discharge outlet of the mixing storage tank (7) is divided into three paths; the first path is connected with a water supply oxygenation point of the supercritical unit or the ultra-supercritical unit, the second path is connected with a condensate oxygenation point of the supercritical unit or the ultra-supercritical unit, and the third path is connected with a high-oxygenation hydrophobic oxygenation point of the supercritical unit or the ultra-supercritical unit;
the supercritical unit or the ultra supercritical unit is internally provided with the existing oxygenation equipment; wherein the existing oxygenation device adopts a gaseous oxygenation device (13).
2. The feedwater oxygenation conversion apparatus of claim 1, wherein the oxygen source comprises a gas storage device (1), a pressure reducing valve (2) and a pressure stabilizing valve (3); oxygen or air is stored in the gas storage equipment (1), the outlet end of the gas storage equipment (1) is connected with the inlet end of the pressure reducing valve (2), the outlet end of the pressure reducing valve (2) is connected with the inlet end of the pressure stabilizing valve (3), and the outlet end of the pressure stabilizing valve (3) is connected with the feed inlet of the mixing storage tank (7).
3. The feedwater oxygenation conversion device of claim 1, wherein the condensate water source comprises a condensate polishing outlet main pipe (4), a first booster pump (5) and a first stop valve (6), the outlet end of the condensate polishing outlet main pipe (4) is connected with the inlet end of the first booster pump (5), the outlet end of the first booster pump (5) is connected with the inlet end of the first stop valve (6), and the outlet end of the first stop valve (6) is connected with the feed inlet of the mixing tank (7).
4. A feedwater oxygenation conversion apparatus according to claim 1, wherein the mixing tank (7) comprises a tank body, an atomizer (8) and a stirrer (9);
the upper end of the storage tank body is provided with a feed inlet, and one side of the feed inlet is connected with the outlet end of the oxygen source and the outlet end of the condensation water source; the atomizing nozzle (8) is arranged at the top end of the interior of the storage tank body, and the other side of the feeding port is connected with the inlet end of the atomizing nozzle (8);
the stirrer (9) is arranged at the inner bottom end of the storage tank body; a discharge hole is formed in the side wall of the lower end of the storage tank body; a drain outlet is arranged at the bottom end of the storage tank body; wherein a drain valve (12) is arranged at the drain outlet.
5. A feedwater oxygenation conversion apparatus according to claim 4, wherein the mixing tank (7) further comprises a level gauge (10) and a pressure gauge (11); the liquid level meter (10) is arranged on the storage tank body and is used for acquiring liquid level data in the storage tank body in real time; the pressure gauge (11) is arranged at the top end of the storage tank body and used for acquiring internal pressure data of the storage tank body in real time.
6. The feedwater oxygenation conversion apparatus of claim 4, wherein the pressure p of the tank body is: p is more than or equal to 1.6MPa and less than or equal to 10.0MPa; the aperture of the atomizing nozzle (8) is not more than 0.2mm, and the spraying amount of the atomizing nozzle (8) is more than 0.3L/min.
7. The feedwater oxygenation conversion apparatus according to claim 4, wherein a second booster pump (17) and a fifth stop valve (18) are sequentially arranged on a first path of a discharge port of the tank body; a third booster pump (19) and a sixth stop valve (20) are sequentially arranged on a second path of the discharge port of the mixing storage tank (7); a fourth booster pump (21) and a seventh stop valve (22) are sequentially arranged on a third path of a discharge hole of the mixing storage tank (7).
8. A feedwater oxygenation conversion apparatus according to claim 1, wherein the outlet end gas pressure of the oxygen source is not less than 1.2MPa; the outlet end condensate pressure of the condensate water source is more than or equal to 1.2MPa.
9. A feedwater oxygenation conversion apparatus according to claim 1, wherein said gaseous oxygenation device (13) employs an oxygenation apparatus with air or oxygen as an oxygenation medium; the first outlet end of the gaseous oxygenation device (13) is connected with the water supply oxygenation point, the second outlet end of the gaseous oxygenation device (13) is connected with the condensate oxygenation point, and the third outlet end of the gaseous oxygenation device (13) is connected with the high water-adding and hydrophobic oxygenation point.
10. A feedwater oxygenation conversion apparatus according to claim 8, wherein a second shut-off valve (14) is provided at a first outlet end of the gaseous oxygenation apparatus (13), a third shut-off valve (15) is provided at a second outlet end of the gaseous oxygenation apparatus (13), and a fourth shut-off valve (16) is provided at a third outlet end of the gaseous oxygenation apparatus (13).
CN202223233510.2U 2022-11-29 2022-11-29 Water supply oxygenation conversion device Active CN219031917U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223233510.2U CN219031917U (en) 2022-11-29 2022-11-29 Water supply oxygenation conversion device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223233510.2U CN219031917U (en) 2022-11-29 2022-11-29 Water supply oxygenation conversion device

Publications (1)

Publication Number Publication Date
CN219031917U true CN219031917U (en) 2023-05-16

Family

ID=86313789

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223233510.2U Active CN219031917U (en) 2022-11-29 2022-11-29 Water supply oxygenation conversion device

Country Status (1)

Country Link
CN (1) CN219031917U (en)

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