CN114414203A - Test bed for submerged jet cleaning process of heat transfer pipe of condenser and test method thereof - Google Patents
Test bed for submerged jet cleaning process of heat transfer pipe of condenser and test method thereof Download PDFInfo
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- CN114414203A CN114414203A CN202111545987.1A CN202111545987A CN114414203A CN 114414203 A CN114414203 A CN 114414203A CN 202111545987 A CN202111545987 A CN 202111545987A CN 114414203 A CN114414203 A CN 114414203A
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- 238000004140 cleaning Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000008569 process Effects 0.000 title claims abstract description 25
- 238000010998 test method Methods 0.000 title claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 207
- 239000007921 spray Substances 0.000 claims abstract description 28
- 238000004088 simulation Methods 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 239000011521 glass Substances 0.000 claims description 30
- 238000003860 storage Methods 0.000 claims description 28
- 238000002955 isolation Methods 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 238000011010 flushing procedure Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 230000007246 mechanism Effects 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 abstract description 2
- 239000000498 cooling water Substances 0.000 description 3
- 210000003437 trachea Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920005439 Perspex® Polymers 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 229910001220 stainless steel Inorganic materials 0.000 description 1
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- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
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Abstract
The invention discloses a test bed and a test method for a submerged jet cleaning process of a heat transfer pipe of a condenser, wherein the test bed comprises the following steps: the simulated water chamber is internally and fixedly provided with a fixed rod; the spray head is fixedly connected to the fixing rod by adopting a plurality of fixing connecting rods, the inner cavity of the spray head is hermetically communicated with one end of a compressed gas loop pipe, and the liquid inlet end of the spray head is communicated with one end of a high-pressure water loop pipe; one end of the heat transfer simulation pipe is connected to the simulation water chamber, and the other end of the heat transfer simulation pipe is connected with a water collection tank; and the air outlet end of the air supply system is fixedly communicated with the other end of the compressed gas loop pipe. The device and the method can completely simulate the internal environment of the water chamber and the heat transfer pipe of the condenser, and are convenient for observing the cleaning effect of the cleaning mechanism, so that the adjustment of the cleaning process is convenient, and the optimization of the cleaning effect of the cleaning mechanism is realized.
Description
Technical Field
The invention particularly relates to the technical field of cleaning devices for heat transfer pipes of condensers, and particularly relates to a test bench for a submerged jet cleaning process of the heat transfer pipes of the condensers and a test method thereof.
Background
The condensing equipment plays a role of a cold source in the thermodynamic cycle of the steam turbine device, reduces the exhaust pressure and the exhaust temperature of the steam turbine, can improve the cycle thermal efficiency, and puts forward higher requirements on the quality of water vapor in a thermodynamic system along with the continuous improvement of unit parameters and capacity.
However, microorganisms and dirty substances in the circulating water are attached to the inner wall of a heat exchange tube (a copper tube, a titanium tube or a stainless steel tube) of the condenser, so that the thermal resistance is increased; the heat transfer coefficient is reduced due to dirt and scale on the inner wall of the heat exchange tube, the heat exchange tube is blocked due to long-term non-treatment, the flow area of cooling water passing through the heat exchange tube is reduced, the water flow resistance is increased, the cooling water quantity is reduced, and the temperature rise of the cooling water exceeds a normal value under a certain steam load; these all cause condenser vacuum to drop, reduce the efficiency of steam turbine, increase the power coal consumption, and serious scale deposit still will influence the output of steam turbine.
The water jet washing is the most common in the current on-line cleaning device for the heat transfer pipe of the condenser, the cleaning device has a complex structure, the manufacturing cost is high, the period is long, and the effect of the cleaning process of the on-line cleaning device for the heat transfer pipe of the condenser must be verified before the on-line cleaning device for the heat transfer pipe of the condenser is produced.
Disclosure of Invention
Therefore, the invention provides a test bed for a condenser heat transfer pipe submerged jet cleaning process and a test method thereof to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: condenser heat-transfer pipe submerges efflux cleaning technology test bench, its characterized in that, it includes:
the simulated water chamber is internally and fixedly provided with a fixed rod;
the spray head is fixedly connected to the fixing rod by adopting a plurality of fixing connecting rods, the inner cavity of the spray head is hermetically communicated with one end of a compressed gas loop pipe, and the liquid inlet end of the spray head is communicated with one end of a high-pressure water loop pipe;
one end of the heat transfer simulation pipe is connected to the simulation water chamber, and the other end of the heat transfer simulation pipe is connected with a water collection tank;
the air outlet end of the air supply system is fixedly communicated with the other end of the compressed air loop pipe;
the outlet end of the water pressure control system is communicated with the other end of the high-pressure water loop pipe, and the inlet end of the water pressure control system is communicated with the inner cavity of the water storage tank, so that the water pressure control system can transmit water in the water storage tank to the spray head through the high-pressure water loop pipe;
and the outlet end of the water circulation system is communicated with the inner cavity of the water storage tank, and the inlet end of the water circulation system is communicated with the inner cavity of the water collection tank, so that the water circulation system can transmit the water in the water collection tank to the inner cavity of the water storage tank.
Further, preferably, the heat transfer simulation tube comprises a transparent organic glass heat transfer tube, a tail drain tube and a heat transfer tube flowmeter, one end of the transparent organic glass heat transfer tube is connected into the simulation water chamber, the other end of the transparent organic glass heat transfer tube is connected with one end of the tail drain tube by a flange, and the other end of the tail drain tube is communicated with the inner cavity of the collection water tank;
install on the transparent organic glass heat-transfer pipe flowmeter and vibration sensor, just scribble the dirt that is used for verifying the cleaning process on transparent organic glass heat-transfer pipe and flange joint's the one end inner wall.
Preferably, the central shafts of the spray head and the transparent organic glass heat transfer pipe are all located on the same axis.
Preferably, a heat transfer pipe pressure gauge is mounted on a part of the transparent organic glass heat transfer pipe between the heat transfer pipe flowmeter and the simulated water chamber.
Further, as preferred, the gas supply system includes air pump, barometer and trachea, the air pump adopt the trachea with the other end of compressed gas return circuit pipe is linked together, install on the trachea the barometer.
Further, as preferred, the water pressure control system includes circulating water pump, water inlet flowmeter and inlet tube, circulating water pump's the end of intaking adopts the transmission pipe to be linked together with the inner chamber of storage water tank, circulating water pump's the fixed one end that communicates with the inlet tube that has of the water outlet end, the other end of inlet tube with the other end of high pressure water return pipe is linked together, and install the water inlet flowmeter on the inlet tube.
Further, preferably, a water pump isolating valve is arranged on a part of the water inlet pipe between the water inlet flowmeter and the circulating water pump.
Further, preferably, a water storage tank isolation valve is installed on the transmission pipe.
Further, preferably, the water circulation system comprises a circulating water pipe and a circulating water isolation valve, one end of the circulating water pipe is communicated with the inner cavity of the water collection tank, the other end of the circulating water pipe is communicated with a part of transmission pipe positioned on the left side of the water storage tank isolation valve, and the circulating water pipe is provided with the circulating water isolation valve.
The test method of the test bed for the submerged jet cleaning process of the heat transfer pipe of the condenser is characterized by comprising the following steps of:
s1: connecting all parts of the test bed;
s2: injecting a proper amount of water into the water storage tank;
s3: opening the air pump and adjusting the outlet pressure of the air pump;
s4: after the isolating valve of the water storage tank is opened, the water pump is operated;
s5: opening a water pump isolation valve and adjusting the flow of a water pump;
s6: opening a valve of the air pump to mix air and water;
s7: observing the spraying condition of the spray head;
s8: observing and recording the numerical values displayed by the heat transfer pipe pressure gauge and the heat transfer pipe flowmeter;
s9: when the water quantity in the collecting water tank reaches a certain height, the circulating water isolation valve is opened;
s10: observing and recording the numerical value of the vibration sensor;
s11: observing the dirt washing condition inside the transparent organic glass heat transfer tube;
s12: counting relevant data of cleaning time, flow, vibration and pressure in the dirt washing process inside the transparent organic glass heat transfer tube;
s13: grouping test, respectively measuring different water pressure, air pressure and flushing condition of the nozzle;
s14: and after the dirt in the transparent organic glass heat transfer tube is cleaned, sequentially shutting down all control parts of the test bed.
By adopting the technology, compared with the prior art, the invention has the following beneficial effects: the device and the method can completely simulate the internal environment of the water chamber and the heat transfer pipe of the condenser, are convenient to observe the cleaning effect of the cleaning mechanism and the adjustment of the cleaning process, and realize the optimization of the cleaning effect of the cleaning mechanism.
Drawings
FIG. 1 is a schematic structural diagram of a test bed for a condenser heat transfer tube submerged jet cleaning process;
fig. 2 is a schematic diagram of the internal structure of a simulated water chamber in a test bench for a condenser heat transfer pipe submerged jet cleaning process.
In the figure: 1. a water collection tank; 2. a circulating water pipe; 3. a circulating water isolation valve; 4. a water circulating pump; 5. a water storage tank isolation valve; 6. a water storage tank; 7. a water pump isolation valve; 8. a water inlet flow meter; 9. simulating a water chamber; 10. a barometer; 11. an air pump; 12. a heat transfer tube pressure gauge; 13. a heat transfer tube flowmeter; 14. a transparent organic glass heat transfer tube; 15. a tail water drainage pipe; 16. a high pressure water loop pipe; 17. fixing the connecting rod; 18. fixing the rod; 20. a spray head; 21. a compressed gas loop pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b): referring to fig. 1 and 2, the present invention provides a technical solution: condenser heat-transfer pipe submerges efflux cleaning technology test bench, it includes:
the simulated water chamber 9 is internally and fixedly provided with a fixed rod 18;
the spray head 20, the spray head 20 adopts a plurality of fixed tie rods 17 to connect fixedly on the dead lever 18, the dead lever 18 adopts a plurality of fixed tie rods 17 to connect fixedly the spray head 20, the cavity of the spray head 20 connects with one end of the compressed gas return pipe 21 sealingly, the liquid inlet end of the spray head 20 connects with one end of the high-pressure water return pipe 16; specifically, the simulated water chamber 9 can simulate the pressure environment of the water chamber, fixedly mount the spray heads 20, observe the spraying states of the spray heads 20 in the washing process, and test different spray heads 20; the nozzle 20 can mix water and air into a water-air mixture, and the fixing rod 18 can fix the nozzle 20 and adjust the position of the nozzle to obtain different test parameters;
one end of the heat transfer simulation pipe is connected into the simulation water chamber 9, and the other end of the heat transfer simulation pipe is connected with the collection water tank 1; specifically, the gap between the spray head 20 and the heat transfer simulation pipe can be adjusted through the fixed connecting rod 17;
the air outlet end of the air supply system is fixedly communicated with the other end of the compressed air loop pipe 21;
the outlet end of the water pressure control system is communicated with the other end of the high-pressure water loop pipe 16, and the inlet end of the water pressure control system is communicated with the inner cavity of the water storage tank 6, so that the water pressure control system can transmit water in the water storage tank 6 to the spray head 20 through the high-pressure water loop pipe 16;
and the outlet end of the water circulation system is communicated with the inner cavity of the water storage tank 6, and the inlet end of the water circulation system is communicated with the inner cavity of the collecting water tank 1, so that the water circulation system can transmit the water in the collecting water tank 1 to the inner cavity of the water storage tank 6.
In this embodiment, the heat transfer simulation tube includes a transparent organic glass heat transfer tube 14, a tail drain tube 15 and a heat transfer tube flowmeter 13, one end of the transparent organic glass heat transfer tube 14 is connected in the simulation water chamber 9, the other end of the transparent organic glass heat transfer tube 14 is connected with one end of the tail drain tube 15 by a flange, and the other end of the tail drain tube 15 is communicated with an inner cavity of the collection water tank 1;
the transparent organic glass heat transfer pipe 14 is provided with a heat transfer pipe flowmeter 13 and a vibration sensor, and the inner wall of one end of the transparent organic glass heat transfer pipe 14 connected with the flange is coated with dirt for verifying the cleaning process, so that the cleaning effect can be observed conveniently.
In this embodiment, the central axes of the spray head 20 and the transparent organic glass heat transfer tube 14 are all located on the same axis.
In this embodiment, a heat transfer pipe pressure gauge 12 is installed on a portion of the transparent perspex heat transfer pipe 14 located between the heat transfer pipe flowmeter 13 and the simulated water chamber 9.
In this embodiment, the air supply system includes an air pump 11, a barometer 10, and an air pipe, the air pump 11 is connected to the other end of the compressed air loop pipe 21 through the air pipe, and the barometer 10 is installed on the air pipe.
In this embodiment, the water pressure control system includes a circulating water pump 4, a water inlet flowmeter 8 and a water inlet pipe, the water inlet end of the circulating water pump 4 is communicated with the inner cavity of the water storage tank 6 by a transmission pipe, the water outlet end of the circulating water pump 4 is fixedly communicated with one end of the water inlet pipe, the other end of the water inlet pipe is communicated with the other end of the high-pressure water loop pipe 16, and the water inlet flowmeter 8 is installed on the water inlet pipe.
In this embodiment, a water pump isolation valve 7 is installed on a part of the water inlet pipe between the water inlet flowmeter 8 and the circulating water pump 4.
In this embodiment, a tank isolation valve 5 is installed on the transfer pipe.
In this embodiment, the water circulation system includes a circulation water pipe 2 and a circulation water isolation valve 3, one end of the circulation water pipe 2 is communicated with the inner cavity of the collection water tank 1, the other end of the circulation water pipe 2 is communicated with a transmission pipe located on the left side of the storage water tank isolation valve 5, and the circulation water isolation valve 3 is installed on the circulation water pipe 2.
The test method of the test bed for the submerged jet cleaning process of the heat transfer pipe of the condenser comprises the following steps:
s1: connecting all parts of the test bed;
s2: injecting a proper amount of water into the water storage tank 6;
s3: opening the air pump 11 and adjusting the outlet pressure of the air pump 11;
s4: after the isolating valve 5 of the water storage tank is opened, the water pump 4 is operated;
s5: opening a water pump isolation valve 7 and adjusting the flow of a water pump;
s6: opening a valve of the air pump to mix air and water;
s7: observing the spraying condition of the spray head 20;
s8: observing and recording the numerical values displayed by the heat transfer pipe pressure gauge 12 and the heat transfer pipe flowmeter 13;
s9: when the water quantity in the collecting water tank 1 reaches a certain height, the circulating water isolation valve 3 is opened;
s10: observing and recording the numerical value of the vibration sensor;
s11: observing the dirt washing condition inside the transparent organic glass heat transfer pipe 14;
s12: counting relevant data of cleaning time, flow, vibration and pressure in the process of flushing dirt in the transparent organic glass heat transfer pipe 14;
s13: grouping test, respectively measuring different water pressure, air pressure and flushing condition of the nozzle;
s14: after the dirt in the transparent organic glass heat transfer pipe 14 is cleaned, the control parts of the test bench are sequentially turned off.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. Condenser heat-transfer pipe submerges efflux cleaning technology test bench, its characterized in that, it includes:
the water tank simulator comprises a simulation water chamber (9), wherein a fixing rod (18) is fixedly arranged in the simulation water chamber (9);
the spray head (20) is fixedly connected to the fixing rod (18) through a plurality of fixing connecting rods (17), the inner cavity of the spray head (20) is hermetically communicated with one end of a compressed gas loop pipe (21), and the liquid inlet end of the spray head (20) is communicated with one end of a high-pressure water loop pipe (16);
one end of the heat transfer simulation pipe is connected into the simulation water chamber (9), and the other end of the heat transfer simulation pipe is connected with the water collecting tank (1);
the air outlet end of the air supply system is fixedly communicated with the other end of the compressed air loop pipe (21);
the outlet end of the water pressure control system is communicated with the other end of the high-pressure water loop pipe (16), and the inlet end of the water pressure control system is communicated with the inner cavity of the water storage tank (6), so that the water pressure control system can transmit water in the water storage tank (6) to the spray head (20) through the high-pressure water loop pipe (16);
and the outlet end of the water circulation system is communicated with the inner cavity of the water storage tank (6), and the inlet end of the water circulation system is communicated with the inner cavity of the water collection tank (1), so that the water circulation system can transmit the water in the water collection tank (1) to the inner cavity of the water storage tank (6).
2. The test bed for the submerged jet cleaning process of the heat transfer pipe of the condenser according to claim 1, is characterized in that: the heat transfer simulation tube comprises a transparent organic glass heat transfer tube (14), a tail drain tube (15) and a heat transfer tube flowmeter (13), one end of the transparent organic glass heat transfer tube (14) is connected into the simulation water chamber (9), the other end of the transparent organic glass heat transfer tube (14) is connected with one end of the tail drain tube (15) through a flange, and the other end of the tail drain tube (15) is communicated with an inner cavity of the collection water tank (1);
install on transparent organic glass heat-transfer pipe (14) heat-transfer pipe flowmeter (13) and vibration sensor, just scribble the dirt that is used for verifying the cleaning technology on transparent organic glass heat-transfer pipe (14) and flange joint's the one end inner wall.
3. The test bed for the submerged jet cleaning process of the heat transfer pipe of the condenser according to claim 2, is characterized in that: the central shafts of the spray head (20) and the transparent organic glass heat transfer pipe (14) are all located on the same axis.
4. The test bed for the submerged jet cleaning process of the heat transfer pipe of the condenser according to claim 3, is characterized in that: and a heat transfer pipe pressure gauge (12) is arranged on a part of the transparent organic glass heat transfer pipe (14) between the heat transfer pipe flowmeter (13) and the simulated water chamber (9).
5. The test bed for the submerged jet cleaning process of the heat transfer pipe of the condenser according to claim 2, is characterized in that: the gas supply system comprises a gas pump (11), a barometer (10) and a gas pipe, wherein the gas pump (11) is communicated with the other end of the compressed gas loop pipe (21) through the gas pipe, and the barometer (10) is installed on the gas pipe.
6. The test bed for the submerged jet cleaning process of the heat transfer pipe of the condenser according to claim 5, is characterized in that: the water pressure control system comprises a circulating water pump (4), a water inlet flowmeter (8) and a water inlet pipe, wherein the water inlet end of the circulating water pump (4) is communicated with the inner cavity of the water storage tank (6) through a transmission pipe, the water outlet end of the circulating water pump (4) is fixedly communicated with one end of the water inlet pipe, the other end of the water inlet pipe is communicated with the other end of the high-pressure water loop pipe (16), and the water inlet flowmeter (8) is installed on the water inlet pipe.
7. The test bed for the submerged jet cleaning process of the heat transfer pipe of the condenser according to claim 6, is characterized in that: and a water pump isolating valve (7) is arranged on part of the water inlet pipe between the water inlet flowmeter (8) and the circulating water pump (4).
8. The test bed for the submerged jet cleaning process of the heat transfer pipe of the condenser according to claim 7, is characterized in that: and a water storage tank isolating valve (5) is arranged on the transmission pipe.
9. The test bed for the submerged jet cleaning process of the heat transfer pipe of the condenser according to claim 8, is characterized in that: the water circulation system comprises a circulating water pipe (2) and a circulating water isolation valve (3), one end of the circulating water pipe (2) is communicated with an inner cavity of the water collection tank (1), the other end of the circulating water pipe (2) is communicated with a transmission pipe located on the left side of the water storage tank isolation valve (5), and the circulating water pipe (2) is provided with the circulating water isolation valve (3).
10. The test method of the test bed for the submerged jet cleaning process of the heat transfer pipe of the condenser is characterized by comprising the following steps of:
s1: connecting all parts of the test bed;
s2: injecting a proper amount of water into the water storage tank 6;
s3: opening the air pump 11 and adjusting the outlet pressure of the air pump 11;
s4: after the isolating valve 5 of the water storage tank is opened, the water pump 4 is operated;
s5: opening a water pump isolation valve 7 and adjusting the flow of a water pump;
s6: opening a valve of the air pump to mix air and water;
s7: observing the spraying condition of the spray head 20;
s8: observing and recording the numerical values displayed by the heat transfer pipe pressure gauge 12 and the heat transfer pipe flowmeter 13;
s9: when the water quantity in the collecting water tank 1 reaches a certain height, the circulating water isolation valve 3 is opened;
s10: observing and recording the numerical value of the vibration sensor;
s11: observing the dirt washing condition inside the transparent organic glass heat transfer pipe (14);
s12: counting relevant data of cleaning time, flow, vibration and pressure in the process of flushing dirt in the transparent organic glass heat transfer pipe (14);
s13: grouping test, respectively measuring different water pressure, air pressure and flushing condition of the nozzle;
s14: after dirt in the transparent organic glass heat transfer pipe (14) is cleaned, all control parts of the test bench are sequentially turned off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111545987.1A CN114414203A (en) | 2021-12-16 | 2021-12-16 | Test bed for submerged jet cleaning process of heat transfer pipe of condenser and test method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111545987.1A CN114414203A (en) | 2021-12-16 | 2021-12-16 | Test bed for submerged jet cleaning process of heat transfer pipe of condenser and test method thereof |
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| CN114414203A true CN114414203A (en) | 2022-04-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117904631A (en) * | 2024-03-18 | 2024-04-19 | 广东大湾区空天信息研究院 | Enamel enameling equipment |
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| JPH11230684A (en) * | 1998-02-18 | 1999-08-27 | Toshiba Eng Co Ltd | Apparatus for cleaning cooling water tube of condenser |
| CN101915664A (en) * | 2010-09-08 | 2010-12-15 | 北京中冶迈克液压有限责任公司 | Digital full functional water nozzle test system |
| CN205748850U (en) * | 2016-05-16 | 2016-11-30 | 华北电力大学 | A kind of steam generator heat-transfer pipe Flow vibration experimental stand |
| CN206114455U (en) * | 2016-10-31 | 2017-04-19 | 三峡大学 | Flood water jet erosion performance experimental apparatus |
| CN111638078A (en) * | 2020-06-03 | 2020-09-08 | 西北工业大学 | Pipeline cavitation jet flow purger cleaning performance testing arrangement |
| CN212998545U (en) * | 2020-08-05 | 2021-04-20 | 江苏协信环境技术有限公司 | High-efficient sedimentation tank self-cleaning device |
-
2021
- 2021-12-16 CN CN202111545987.1A patent/CN114414203A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11230684A (en) * | 1998-02-18 | 1999-08-27 | Toshiba Eng Co Ltd | Apparatus for cleaning cooling water tube of condenser |
| CN101915664A (en) * | 2010-09-08 | 2010-12-15 | 北京中冶迈克液压有限责任公司 | Digital full functional water nozzle test system |
| CN205748850U (en) * | 2016-05-16 | 2016-11-30 | 华北电力大学 | A kind of steam generator heat-transfer pipe Flow vibration experimental stand |
| CN206114455U (en) * | 2016-10-31 | 2017-04-19 | 三峡大学 | Flood water jet erosion performance experimental apparatus |
| CN111638078A (en) * | 2020-06-03 | 2020-09-08 | 西北工业大学 | Pipeline cavitation jet flow purger cleaning performance testing arrangement |
| CN212998545U (en) * | 2020-08-05 | 2021-04-20 | 江苏协信环境技术有限公司 | High-efficient sedimentation tank self-cleaning device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117904631A (en) * | 2024-03-18 | 2024-04-19 | 广东大湾区空天信息研究院 | Enamel enameling equipment |
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