CN108662434B - Ultrasonic wave blocking reducing device applied to pipe network pressure energy power generation system - Google Patents
Ultrasonic wave blocking reducing device applied to pipe network pressure energy power generation system Download PDFInfo
- Publication number
- CN108662434B CN108662434B CN201810373658.5A CN201810373658A CN108662434B CN 108662434 B CN108662434 B CN 108662434B CN 201810373658 A CN201810373658 A CN 201810373658A CN 108662434 B CN108662434 B CN 108662434B
- Authority
- CN
- China
- Prior art keywords
- ultrasonic
- power generation
- generation system
- pressure energy
- main pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000010248 power generation Methods 0.000 title claims abstract description 32
- 230000001603 reducing effect Effects 0.000 title claims abstract description 28
- 230000000903 blocking effect Effects 0.000 title abstract description 21
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 66
- 239000003345 natural gas Substances 0.000 claims abstract description 33
- 230000002093 peripheral effect Effects 0.000 claims abstract description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 16
- 238000009825 accumulation Methods 0.000 claims description 9
- BBMCTIGTTCKYKF-UHFFFAOYSA-N 1-heptanol Chemical compound CCCCCCCO BBMCTIGTTCKYKF-UHFFFAOYSA-N 0.000 claims description 6
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 235000019270 ammonium chloride Nutrition 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000012782 phase change material Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims 2
- 239000012530 fluid Substances 0.000 abstract description 14
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000002425 crystallisation Methods 0.000 abstract description 3
- 230000008025 crystallization Effects 0.000 abstract description 3
- 150000004677 hydrates Chemical class 0.000 description 8
- 101100408454 Arabidopsis thaliana PLC6 gene Proteins 0.000 description 7
- 239000013078 crystal Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000010349 pulsation Effects 0.000 description 2
- 230000000191 radiation effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention discloses an ultrasonic blocking reducing device applied to a pipe network pressure energy power generation system, which comprises a main pipeline, a conical breaker, a plurality of baffles, a plurality of ultrasonic devices and a PLC (programmable logic controller), wherein flanges for being connected into the pipe network pressure energy power generation system are arranged at two ends of the main pipeline, the conical breaker is arranged at a natural gas inlet in the main pipeline, the baffles are arranged on the inner wall of the main pipeline at intervals in an up-down staggered manner along the axis direction of the main pipeline, the ultrasonic devices are positioned behind the baffles and are fixed on the peripheral wall of the main pipeline, and the PLC is connected with each ultrasonic device through a circuit. According to the invention, the power output of the pressure energy system is utilized, the crystallization and the hydrate in the fluid are removed by controlling the ultrasonic device through the PLC, the blockage is reduced, and the service life of the system can be prolonged by about 20 percent only by utilizing the power below 0.6 percent of the power generation system.
Description
Technical Field
The invention relates to the field of natural gas pipe network pressure energy recycling, in particular to an ultrasonic scale prevention device for a pipe network pressure energy power generation system.
Background
Natural gas is a clean energy source, and in recent years, with the development of society, the natural gas pipeline pressure energy power generation technology is also attracting more and more attention because of the increasing share of energy market. Today, the natural gas pipeline network pressure energy power generation technology has a certain result, but a certain problem still exists in the pressure energy power generation system.
On one hand, the pipeline natural gas contains a certain mineralized substance, after the pipeline natural gas is expanded in an expander to generate electricity, the pressure, the temperature and other flow parameters of fluid in the pipeline are changed to a certain extent, so that the original chemical reaction equilibrium state condition of a mineralized substance system is destroyed, chemical reactions are generated to form crystal nuclei and are continuously gathered, the crystal nuclei are gradually deposited in the flowing process, and finally, a layered compact scale sample is formed on the inner wall of the pipeline, so that the pipeline is seriously blocked. On the other hand, in the existing natural gas pressure energy utilization system, high-pressure natural gas pushes an expander to apply work, the internal energy is reduced, the temperature is reduced to about minus 30 ℃, and in such a temperature environment, the natural gas and moisture in the natural gas are extremely easy to form hydrates under the impact action of the natural gas and the pipe wall, the hydrates can impact the pipe wall at extremely high speed under the driving of air flow, serious damage is caused, and the hydrates can enter a downstream pipe network along with the air flow to cause blockage. The blockage can seriously affect the conveying efficiency of the pipeline, increases the energy consumption of pipeline conveying, is very unfavorable to the long-term safe and stable operation of a gathering and conveying system, has serious potential safety hazards, and can bring serious consequences such as pipeline failure.
In various blockage reducing methods, the ultrasonic blockage reducing technology has received a certain attention due to simple operation, low cost investment and good blockage reducing effect. Patent 201620714649.4 discloses an ultrasonic pipeline cleaning and dredging device, which uses an ultrasonic generator to clean and dredge a pipeline, but is not suitable for the pipeline in a low-temperature environment, and the temperature of fluid at an outlet of an expander in a natural gas pressure energy system can be reduced to about minus 30 ℃ to influence the operation of the device; patent 201620864517X discloses an anti-freezing and anti-blocking petroleum exploitation pipeline, but the device is only suitable for long-distance pipeline transportation, and the ultrasonic generator has higher power and is not suitable for a natural gas pipe network power generation system. Meanwhile, batteries are additionally added in the device, and in a natural gas pressure energy power generation system, fluid at the outlet of the expander has pulsation impact, and the ultrasonic generator is extremely easy to damage.
Disclosure of Invention
In order to solve the problem of blockage of the natural gas pipeline, the invention provides the ultrasonic blockage reducing device applied to the pipeline network pressure energy power generation system, which can realize safe and stable recovery of the natural gas pipeline network pressure energy and solve the problems of pipeline crystallization and hydrate blockage. The invention has the characteristics of simple structure, convenient operation and the like, and is applied to the field of pipeline gas expansion process.
The technical scheme adopted by the invention is as follows:
the utility model provides a be applied to pipe network pressure energy power generation system's ultrasonic wave and fall stifled device, includes main body pipeline, toper breaker, a plurality of baffle, a plurality of ultrasonic device, PLC, main body pipeline both ends be provided with the flange that is arranged in inserting pipe network pressure energy power generation system, the toper breaker sets up natural gas entrance in the main body pipeline, the baffle is followed main body pipeline axis direction is crisscross the interval setting from top to bottom on the inner wall of main body pipeline, ultrasonic device is located the rear of baffle and fix on main body pipeline perisporium, ultrasonic device include be located ultrasonic generator in the main body pipeline and be located outside the main body pipeline and with ultrasonic generator circuit connection's ultrasonic controller, the outer package of ultrasonic generator is provided with cold-storage sleeve, PLC passes through the circuit and is connected with each ultrasonic controller circuit.
Further, the cone crusher is fixed at the inlet central axis of the main pipeline.
Further, the cone crusher is made of stainless steel.
Further, the plane of the baffle is perpendicular to the axis of the main pipeline.
Further, the distance between the adjacent baffles is 25-35 cm, and the purpose of the baffle is that ultrasonic energy radiated by an ultrasonic device arranged behind the baffles fully acts on fluid between the adjacent baffles.
Further, a ratio of a projected area of the single baffle plate in the axial direction of the main body pipe to a cross-sectional area of the main body pipe is 3:5~4:5. the purpose is that under the condition that influence on a downstream pipe network is small, the baffle plate is fully utilized to prolong the flow of fluid in the main pipeline, and the sound wave radiation effect of the ultrasonic wave blocking reducing device is indirectly enhanced.
Further, the power of the ultrasonic generator is 30-40W.
Further, the ultrasonic device and the PLC are powered by the power output end of the pipe network pressure energy power generation system.
Further, the number of the baffle plates and the number of the ultrasonic devices are three.
Further, the cold accumulation sleeve is made of a composite phase change material of ethylene glycol/ammonium chloride or an expanded graphite/ethylene glycol/n-heptanol low-temperature phase change cold accumulation material.
Compared with the prior art, the invention has the following advantages and beneficial effects:
(1) The invention can solve the problems of crystallization and hydrate blockage of the natural gas pipeline. The ultrasonic blocking reducing device radiates ultrasonic waves to remove crystals and hydrates in the fluid, and the blocking of the fluid to the pipeline is reduced.
(2) The invention has simple structure and easy maintenance. The device mainly comprises a main pipeline, a baffle, a cone crusher and an ultrasonic generator, after the device is primarily crushed by the cone crusher, ultrasonic waves are radiated by the ultrasonic generator, meanwhile, the baffle is added to prolong the flow of fluid in the main pipeline, so that the sound wave radiation of the fluid is indirectly prolonged, and crystals and hydrates are better removed.
(3) The invention is suitable for a natural gas pipeline network pressure energy power generation system. After natural gas is expanded by an expander to generate electricity, the temperature is reduced to about minus 30 ℃, and an ultrasonic generator of the device is arranged in the cold accumulation sleeve, so that the damage of the device can be avoided; in addition, the fluid pressure at the outlet of the expansion machine is unstable and even has pulsation impact, and the ultrasonic generator is arranged behind the baffle plate, so that the impact on the generator is avoided.
(4) The invention can realize the effective and safe power generation of the natural gas pressure energy. The natural gas pressure energy system can operate more effectively when the problem of pipeline blockage is solved. And the natural gas pressure energy power generation system can be used as a power supply of the ultrasonic processor, and no additional power supply output is needed.
Drawings
Fig. 1 is a schematic structural diagram of an ultrasonic blockage reducing device according to an embodiment of the present invention.
Fig. 2 is a process flow chart of the ultrasonic blockage reducing device shown in fig. 1 applied to a pipe network pressure energy power generation system.
The figure shows: the device comprises a cone crusher 1, a baffle plate 2, a cold accumulation sleeve 3, an internal ultrasonic generator 4, an external ultrasonic controller 5, a PLC6, a flange 7, a main pipeline 8, an inlet electromagnetic valve 9, an inlet pressure transmitter 10, an inlet temperature transmitter 11, an expander 12, a generator 13, a power conversion and storage 14, an ultrasonic blocking reduction device 15, an outlet pressure transmitter 16, an outlet temperature transmitter 17, an outlet electromagnetic valve 18 and a pressure regulating device 19.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, but the embodiments of the present invention are not limited to the following examples.
Example 1
As shown in FIG. 1, an ultrasonic blocking reducing device applied to a pipe network pressure energy power generation system comprises a main pipeline 8, a conical breaker 1 made of stainless steel 304, three baffles 2, three sets of ultrasonic devices and a PLC6, wherein flanges 7 used for being connected into the pipe network pressure energy power generation system are arranged at two ends of the main pipeline 8, the conical breaker 1 is arranged at a central shaft of a natural gas inlet in the main pipeline 8, the baffles 2 are arranged on the inner wall of the main pipeline 8 along the axial direction of the main pipeline 8 at intervals of 25-35 cm in an up-down staggered manner, and the plane where the baffles 2 are arranged is perpendicular to the axial direction of the main pipeline 8. The ratio of the projected area of the single baffle plate 2 along the axial direction of the main body pipe 8 to the cross-sectional area of the main body pipe 8 is 3:5~4:5. the baffle can prolong the flow of fluid in the main pipeline 8 and indirectly enhance the sound wave radiation effect of the ultrasonic blocking reducing device.
The ultrasonic device is located behind the baffle 2 and fixed on the peripheral wall of the main pipeline 8, the ultrasonic device comprises an ultrasonic generator 4 located in the main pipeline 8 and an ultrasonic controller 5 located outside the main pipeline 8 and in circuit connection with the ultrasonic generator 4, and the power of the ultrasonic generator 4 is 30-40W. The ultrasonic generator 4 is wrapped and provided with a cold accumulation sleeve 3, and the cold accumulation sleeve 3 is made of ethylene glycol/ammonium chloride composite phase change material or expanded graphite/ethylene glycol/n-heptanol low-temperature phase change cold accumulation material. The PLC6 is connected with each ultrasonic controller 5 through a circuit. The ultrasonic device and the PLC6 are powered by the power output end of the pipe network pressure energy power generation system.
After the natural gas fluid is primarily crushed by the cone crusher 1, the flow of the fluid in the main pipeline 8 is prolonged by the baffle plate 2, and the ultrasonic blocking reducing device is controlled by the PLC6 to radiate ultrasonic waves, so that crystals and hydrates are removed, and the blocking of the pipeline is reduced.
Example two
The application of the above embodiment in a pipe network pressure energy power generation system is described in detail below:
referring to fig. 2, the apparatus of this embodiment is taken as an example of a small-sized pressure regulating station, the high-pressure pipe network of the station is connected with the low-pressure pipe network through a pressure regulating device 19, meanwhile, the ultrasonic blocking reducing device 15 provided in the above embodiment is connected in series in the pipe network pressure energy generating system, the PLC6 is connected with the inlet electromagnetic valve 9, the inlet pressure transmitter 10, the inlet temperature transmitter 11, the ultrasonic blocking reducing device 15, the outlet pressure transmitter 16, the outlet temperature transmitter 17 and the outlet electromagnetic valve 18 on the upper and lower sides of the expander 12 in the pipe network pressure energy generating system through circuits.
The pressure regulating flow rate of the station is 1900Nm3/h, the pressure regulating scale is 4 MPa to 1.6 MPa, the initial temperature of natural gas is about 20 ℃, and the working principle is as follows:
1) Natural gas meeting the instantaneous demand 1060 kg/h of the urban pipe network enters an expander 12 to be expanded and reduced to 1.6 MPa at the temperature of 20 ℃ under the pressure of 4 MPa, and enters a downstream gas pipe network after passing through an ultrasonic antiscaling device 15;
2) The high-pressure natural gas is expanded by the expander 12, then pressure energy is converted into mechanical energy, then the mechanical energy is subjected to frequency matching generation by the generator 13, and the generated 20 kW electric energy is stored in the electric power conversion and storage device 14, and the electric power conversion and storage device 14 is electrically connected with the ultrasonic scale prevention device 15 and used as a power supply.
3) The power of the single ultrasonic generator 4 is 30-40W, the total power of the ultrasonic blocking reducing device 15 is 90-120W, and the total power of the ultrasonic blocking reducing device is only less than 0.6% of the power generation system. The high-pressure natural gas flows into the ultrasonic blocking reducing device 15 after being expanded and generated by the expander 12, the PLC6 controls the ultrasonic blocking reducing device 15 to radiate sound wave signals according to the parameters of the system, and the natural gas flowing into the ultrasonic blocking reducing device 15 flows into a downstream pipe network after crystals and hydrates are removed, so that the blocking reducing effect is realized.
After the high-pressure natural gas of the high-pressure pipe network is expanded by the expander 12 to generate electricity, the crystals and hydrates are removed by the ultrasonic blocking reducing device 15 and flow into a downstream pipe network, and the service life of the system can be prolonged by about 20 percent by utilizing the power of less than 0.6 percent of the power generation system. Meanwhile, the electric energy generated by the expander 12 is used as a power supply of the ultrasonic blocking reducing device 15, so that the dependence of the whole system on an external power supply is reduced.
The above examples of the present invention are only illustrative of the present invention and are not intended to limit the embodiments of the present invention. Other variations or modifications of the present invention will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (5)
1. Be applied to pipe network pressure energy power generation system's ultrasonic wave and fall stifled device, its characterized in that: the device comprises a main pipeline (8), a cone crusher (1), a plurality of baffles (2), a plurality of ultrasonic devices and a PLC (6), wherein flanges (7) used for being connected into a pipe network pressure energy power generation system are arranged at two ends of the main pipeline (8), the cone crusher (1) is arranged at a natural gas inlet in the main pipeline (8), the baffles (2) are arranged on the inner wall of the main pipeline (8) at intervals in an up-down staggered mode along the axial direction of the main pipeline (8), the ultrasonic devices are positioned behind the baffles (2) and fixed on the peripheral wall of the main pipeline (8), the ultrasonic devices comprise ultrasonic generators (4) positioned in the main pipeline (8) and ultrasonic controllers (5) positioned outside the main pipeline (8) and in circuit connection with the ultrasonic generators (4), and the PLC (6) is wrapped and is in circuit connection with the ultrasonic controllers (5) through circuits; the cone crusher (1) is fixed at the central axis of the inlet of the main body pipeline (8); the plane of the baffle (2) is perpendicular to the axis of the main pipeline (8); the interval between the adjacent baffle plates (2) is 25-35 cm; the ratio of the projection area of the baffle plate (2) along the axial direction of the main body pipeline (8) to the cross-sectional area of the main body pipeline (8) is 3:5 to 4:5, a step of; the ultrasonic device and the PLC (6) are powered by the power output end of the pipe network pressure energy power generation system.
2. The ultrasonic blockage reducing device applied to a pipe network pressure energy power generation system as claimed in claim 1, wherein the device is characterized in that: the cone crusher (1) is made of stainless steel.
3. The ultrasonic blockage reducing device applied to a pipe network pressure energy power generation system as claimed in claim 1, wherein the device is characterized in that: the power of the ultrasonic generator (4) is 30-40W.
4. The ultrasonic blockage reducing device applied to a pipe network pressure energy power generation system as claimed in claim 1, wherein the device is characterized in that: the number of the baffle plates (2) and the number of the ultrasonic devices are three.
5. The ultrasonic blockage reducing device applied to a pipe network pressure energy power generation system as claimed in claim 1, wherein the device is characterized in that: the cold accumulation sleeve (3) is made of a composite phase change material of glycol/ammonium chloride or an expanded graphite/glycol/n-heptanol low-temperature phase change cold accumulation material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810373658.5A CN108662434B (en) | 2018-04-24 | 2018-04-24 | Ultrasonic wave blocking reducing device applied to pipe network pressure energy power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810373658.5A CN108662434B (en) | 2018-04-24 | 2018-04-24 | Ultrasonic wave blocking reducing device applied to pipe network pressure energy power generation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108662434A CN108662434A (en) | 2018-10-16 |
| CN108662434B true CN108662434B (en) | 2024-02-13 |
Family
ID=63780073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810373658.5A Active CN108662434B (en) | 2018-04-24 | 2018-04-24 | Ultrasonic wave blocking reducing device applied to pipe network pressure energy power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108662434B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102304595A (en) * | 2011-09-23 | 2012-01-04 | 中冶南方工程技术有限公司 | Top gas pressure recovery turbine generating system |
| CN202845373U (en) * | 2012-07-25 | 2013-04-03 | 浙江省三门县振华机械有限公司 | Ultrasonic scale elimination and inhibition channel |
| CN104632128A (en) * | 2014-12-31 | 2015-05-20 | 西南石油大学 | Anti-freezing and anti-blocking system for condensate gas field high pressure gas exploitation pipelines |
| CN204729921U (en) * | 2015-04-09 | 2015-10-28 | 华南理工大学 | A kind of temperature, pressure balace weight be applied in rock gas inflation process |
| CN205672848U (en) * | 2016-06-21 | 2016-11-09 | 黑龙江省计算中心 | A kind of revolution channeltype ultrasonic wave homogeneous processor |
| CN205732163U (en) * | 2016-06-30 | 2016-11-30 | 黄永平 | A kind of ultrasound wave pipeline cleaning dredger |
| CN206018139U (en) * | 2016-08-11 | 2017-03-15 | 宋俊 | A kind of oil exploitation pipeline that can be antifreeze, anti-blocking |
| CN106640245A (en) * | 2016-11-16 | 2017-05-10 | 深圳市燃气集团股份有限公司 | Natural gas pipeline network pressure energy recovery method and device using piston expander |
| CN206156992U (en) * | 2016-10-09 | 2017-05-10 | 中国船舶重工集团公司第七一五研究所 | Big power ultrasound ripples sludge treatment equipment of immersion |
| CN208295549U (en) * | 2018-04-24 | 2018-12-28 | 华南理工大学 | A kind of ultrasonic wave drop block apparatus applied to pipe network pressure energy electricity generation system |
-
2018
- 2018-04-24 CN CN201810373658.5A patent/CN108662434B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102304595A (en) * | 2011-09-23 | 2012-01-04 | 中冶南方工程技术有限公司 | Top gas pressure recovery turbine generating system |
| CN202845373U (en) * | 2012-07-25 | 2013-04-03 | 浙江省三门县振华机械有限公司 | Ultrasonic scale elimination and inhibition channel |
| CN104632128A (en) * | 2014-12-31 | 2015-05-20 | 西南石油大学 | Anti-freezing and anti-blocking system for condensate gas field high pressure gas exploitation pipelines |
| CN204729921U (en) * | 2015-04-09 | 2015-10-28 | 华南理工大学 | A kind of temperature, pressure balace weight be applied in rock gas inflation process |
| CN205672848U (en) * | 2016-06-21 | 2016-11-09 | 黑龙江省计算中心 | A kind of revolution channeltype ultrasonic wave homogeneous processor |
| CN205732163U (en) * | 2016-06-30 | 2016-11-30 | 黄永平 | A kind of ultrasound wave pipeline cleaning dredger |
| CN206018139U (en) * | 2016-08-11 | 2017-03-15 | 宋俊 | A kind of oil exploitation pipeline that can be antifreeze, anti-blocking |
| CN206156992U (en) * | 2016-10-09 | 2017-05-10 | 中国船舶重工集团公司第七一五研究所 | Big power ultrasound ripples sludge treatment equipment of immersion |
| CN106640245A (en) * | 2016-11-16 | 2017-05-10 | 深圳市燃气集团股份有限公司 | Natural gas pipeline network pressure energy recovery method and device using piston expander |
| CN208295549U (en) * | 2018-04-24 | 2018-12-28 | 华南理工大学 | A kind of ultrasonic wave drop block apparatus applied to pipe network pressure energy electricity generation system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108662434A (en) | 2018-10-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103422899B (en) | Process and device for generating power by pressure energy of small natural gas pipeline network | |
| US5924283A (en) | Energy management and supply system and method | |
| CN104088605B (en) | A kind of natural gas well head heating throttle system being generated electricity with heat pump based on pressure energy | |
| CN103727011B (en) | A kind of Caes system | |
| CN104213939A (en) | A pressure energy-recycling generation device for a natural gas pipe network | |
| CN105065066A (en) | Internal generating set of gas pipeline | |
| CN203430574U (en) | Device for generating power by using pressure energy of minitype natural gas pipeline network | |
| CN109899249B (en) | Wind power blade deicing device and method | |
| CN110462181A (en) | Compressed-air energy storage power generator | |
| CN104632128A (en) | Anti-freezing and anti-blocking system for condensate gas field high pressure gas exploitation pipelines | |
| CN101586530B (en) | Hydraulic transduction device for wind power generation | |
| CN104929776A (en) | Combined cycle power generation system utilizing gas and natural gas pipe network pressure energy | |
| CN105822904A (en) | Power-generating and pressure-regulating device installed in gas pipeline | |
| CN110685890A (en) | Power generation system | |
| CN108662434B (en) | Ultrasonic wave blocking reducing device applied to pipe network pressure energy power generation system | |
| CN105863762B (en) | A kind of process system to be generated electricity using cold energy of liquefied natural gas and method | |
| CN208295549U (en) | A kind of ultrasonic wave drop block apparatus applied to pipe network pressure energy electricity generation system | |
| CN102900640A (en) | Device for generating power by using pressure difference energy of natural gas delivery pipeline | |
| CN105545395A (en) | Natural gas pipeline network pressure energy recycling and generation system | |
| CN101963074A (en) | Method for automatically adjusting transient wide range of steam turbine driven load and cogenerating power and heat | |
| CN204827552U (en) | Built -in power generation facility of gas line | |
| GB2495955A (en) | Compressed air energy storage system | |
| CN105156164A (en) | Fluid pipe network pressure energy electricity generation and temperature return system | |
| CN204186428U (en) | A kind of natural gas pipe network pressure energy reclaims electricity generating device | |
| CN204552851U (en) | A kind of process system utilizing cold energy of liquefied natural gas to generate electricity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |