CN113653646A - Novel centrifugal power pump conveying device - Google Patents
Novel centrifugal power pump conveying device Download PDFInfo
- Publication number
- CN113653646A CN113653646A CN202110937864.6A CN202110937864A CN113653646A CN 113653646 A CN113653646 A CN 113653646A CN 202110937864 A CN202110937864 A CN 202110937864A CN 113653646 A CN113653646 A CN 113653646A
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- Prior art keywords
- power pump
- air
- centrifugal power
- centrifugal
- duct
- 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.)
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Links
- 238000001816 cooling Methods 0.000 claims abstract description 23
- 239000002912 waste gas Substances 0.000 claims abstract description 13
- 239000002826 coolant Substances 0.000 claims abstract description 7
- 239000000110 cooling liquid Substances 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 238000009423 ventilation Methods 0.000 claims description 17
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/04—Units comprising pumps and their driving means the pump being fluid driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0005—Control, e.g. regulation, of pumps, pumping installations or systems by using valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a centrifugal power pump conveying device, which comprises a ventilating duct, wherein the air inlet end of the ventilating duct is connected with the outlet end of a cooling air or waste gas source, the outlet end of the ventilating duct is connected with at least one centrifugal power pump conveying unit, and the centrifugal power pump conveying unit comprises: the air collecting device is connected with the ventilating duct; the pneumatic device is connected with the air collecting device; the cooling air or waste gas coming from the ventilating duct passes through the air collecting device and the pneumatic device and is discharged by the air outlet pipe; a coolant tank; the centrifugal power pump device is arranged in the cooling liquid tank, a centrifugal impeller of the centrifugal power pump device is connected with the pneumatic device and driven by the pneumatic device to rotate, and a liquid outlet of the centrifugal power pump device is connected with equipment to be cooled through a pipeline.
Description
Technical Field
The invention relates to the technical field of centrifugal power pump application, in particular to a novel centrifugal power pump conveying device.
Background
The existing production equipment in steel plants, cement plants and the like has a large fan, the motor of the fan is generally large, the cooling air of the air-cooled motor is also large, and the cooled air directly enters the atmosphere, so that the resource waste is caused. In addition, the waste gas discharged by the waste gas discharge equipment of the large-scale factory also directly enters the atmosphere, which also causes resource waste. The fan of a large-scale plant or the bearing box of other large-scale equipment needs to be cooled, the motor and the centrifugal power pump are generally required to be independently utilized to complete the conveying of cooling liquid, and relatively large electric energy and operation cost are required. At present, no device capable of using cooling air of an air cooling motor or waste gas of waste gas discharge equipment as power for conveying power of a centrifugal power pump exists.
Disclosure of Invention
The present invention is directed to a novel centrifugal power pump delivery apparatus that overcomes the above-mentioned deficiencies and drawbacks of the prior art.
The technical problem solved by the invention can be realized by adopting the following technical scheme:
the utility model provides a novel centrifugal power pump carries device, includes air pipe, air pipe's air inlet end is connected with the exit end in cooling air or waste gas source, air pipe's exit end and an at least centrifugal power pump carry unit connection, centrifugal power pump carry unit includes:
the air collecting device is connected with the ventilating duct;
the pneumatic device is connected with the air collecting device;
the cooling air or waste gas coming from the ventilating duct passes through the air collecting device and the pneumatic device and is discharged by the air outlet pipe;
a coolant tank;
the centrifugal power pump device is arranged in the cooling liquid tank, a centrifugal impeller of the centrifugal power pump device is connected with the pneumatic device and driven by the pneumatic device to rotate, and a liquid outlet of the centrifugal power pump device is connected with equipment to be cooled through a pipeline.
In a preferred embodiment of the present invention, the air collecting device includes an upper air duct, a middle air collecting duct, and a lower air duct, an air volume adjusting valve is disposed in the upper air duct, the middle air collecting duct is in a tapered structure, one end of the upper air duct is connected to an outlet end of the ventilation duct, the other end of the upper air duct is connected to a large-diameter end of the middle air collecting duct, a small-diameter end of the middle air collecting duct is connected to one end of the lower air duct, and the other end of the lower air duct is connected to the air outlet duct.
In a preferred embodiment of the invention, the pneumatic device comprises a main pneumatic wheel rotatably arranged in the lower air duct, and the main pneumatic wheel is connected with a centrifugal impeller of the centrifugal power pump device.
In a preferred embodiment of the invention, the main wind wheel is connected with a centrifugal impeller of the centrifugal power pump device through a variable speed adjusting structure.
In a preferred embodiment of the present invention, the variable speed adjustment structure includes a main gear connected to the main wind wheel through a first rotating shaft, a sub gear engaged with the main gear, and a second rotating shaft having one end connected to the sub gear, and the other end connected to a centrifugal impeller of the centrifugal power pump apparatus.
In a preferred embodiment of the present invention, the variable speed adjustment structure includes a main gear connected to the main wind wheel through a first rotation shaft, a pair of sub gears engaged with the main gear, a pair of second rotation shafts having one ends respectively connected to the pair of sub gears, and the other ends respectively connected to the centrifugal impellers of the two centrifugal power pump units.
In a preferred embodiment of the present invention, a secondary wind wheel is provided at a tip end of the second rotating shaft.
In a preferred embodiment of the present invention, the first and second rotating shafts are rotatably coupled by a bearing assembly provided in the lower duct.
In a preferred embodiment of the invention, the inlet section of the centrifugal power pump device is provided with a sieve.
In a preferred embodiment of the present invention, the ventilation duct is provided with an auxiliary air outlet, and the auxiliary air outlet is provided with an adjusting valve.
In a preferred embodiment of the invention, the outlet end of the ventilation duct is connected to two or three centrifugal power pump delivery units.
Due to the adoption of the technical scheme, the cooling air or waste gas source can be used as the power of the centrifugal power pump, so that the electric energy of the motor of the original centrifugal power pump is saved, the operation cost is saved, and low carbon and environmental protection are realized. And can be according to the circumstances of concrete needs cooling parallelly connected the use with a plurality of centrifugal power pump delivery unit and air pipe, the commonality is strong. In addition, an auxiliary air outlet can be added according to the requirement and controlled by an adjusting valve, and when the air quantity is not needed actually, redundant air can be discharged, so that the pressure in the ventilation pipeline is prevented from exceeding the limit. Furthermore, the cooling liquid tank can be filled with cooling water or cooling oil, and can be supplied with water cooling or oil cooling or lubrication for equipment needing cooling.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is an enlarged view of fig. 1 at a.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below.
Referring to fig. 1 and 2, a novel centrifugal power pump delivery device includes a ventilation duct 100, an air inlet end 110 of the ventilation duct 100 is connected to an outlet end 210 of a cooling air or waste gas source 200, which may be a cooling air or other waste gas discharging device of an air-cooled motor. The outlet end of the ventilation duct 100 is connected to at least one centrifugal power pump delivery unit 300. The quantity of centrifugal power pump delivery unit 300 can be according to the refrigerated condition of concrete needs and parallelly connected the use with a plurality of centrifugal power pump delivery unit 300 and air pipe 100, can switch in a flexible way, extension equipment life also can carry different equipment, and the commonality is strong. The number of the centrifugal power pump delivery units 300 in this embodiment is three, and the number of the outlet ends of the ventilation duct 100 is also correspondingly three, and certainly, more centrifugal power pump delivery units 300 may be provided as needed.
The centrifugal power pump delivery unit 300 includes a wind collection device 310, a wind driven device 320, a wind outlet pipe 330, a coolant tank 400, and a centrifugal power pump device 500.
The air collecting device 310 is connected to the outlet end of the ventilation duct 100, the air collecting device 310 of this embodiment includes an upper air duct 311, a middle air collecting duct 312, and a lower air duct 313, and an air volume adjusting valve 311a is disposed in the upper air duct 311, so that the air volume adjusting valve 311a can be adjusted according to the air volume condition, the air volume can be adjusted, and the flow and pressure of the pump can be controlled. The middle air collecting pipe 312 is a conical structure, the upper part of the conical structure is a large-diameter end, and the lower part of the conical structure is a small-diameter end, so that the flow velocity of air passing through the middle air collecting pipe 312 by the upper air pipe 311 can be increased, and the pneumatic effect is further enhanced. The central air collecting duct 312 is preferably a straight cone structure, which can accelerate the air speed and vertically act on the pneumatic device 320, so that the pneumatic device 320 has higher conversion efficiency. One end of the upper air pipe 311 is connected with the outlet end of the ventilation duct 100, the other end is connected with the large-diameter end of the middle air collecting pipe 312, the small-diameter end of the middle air collecting pipe 312 is connected with one end of the lower air pipe 313, and the other end of the lower air pipe 313 is connected with the air outlet pipe 330.
The pneumatic device 320 is connected to the wind collecting device 310, the pneumatic device 320 includes a main pneumatic wheel 321 rotatably disposed in the lower air pipe 313, and the main pneumatic wheel 321 is connected to the centrifugal impeller 510 of the centrifugal power pump device 500. In order to increase the rotation speed of the centrifugal impeller 510, the main wind wheel 321 is connected with the centrifugal impeller 510 of the centrifugal power pump device 500 through a variable speed adjustment structure 600. The variable speed adjustment structure 600 in this embodiment includes a main gear 620 connected to the main wind wheel 321 via a first rotation shaft 610, a pair of secondary gears 630 engaged with the main gear 620, and a pair of second rotation shafts 640 having one ends connected to the pair of secondary gears 630, respectively, and the other ends of the pair of second rotation shafts 640 are connected to the centrifugal impellers 510 of the two centrifugal power pump devices 500, respectively, wherein the pair of secondary gears 630 rotate in opposite directions, and the corresponding centrifugal impellers 510 rotate in opposite directions, thereby realizing "one-drive two-drive". The top end of the second rotating shaft 640 may further be provided with a secondary pneumatic wheel 641, and the secondary pneumatic wheel 641 is relatively small, so that the kinetic energy of the residual gas of the gas can be converted, the secondary utilization of the gas can be realized, and the gas kinetic energy utilization rate of the whole device is higher. First rotatable shaft 610 and second rotatable shaft 640 are rotatably coupled by a bearing assembly disposed within lower air duct 313. The gear difference ratio between the main gear 620 and the secondary gear 630 can be utilized to change the rotation speed of the centrifugal impeller 510, and the present embodiment drives the two secondary gears 630 to rotate through one main wind wheel 321, so as to drive the two centrifugal power pump devices 500 to work, thereby greatly increasing the work efficiency. The bearing assembly includes a bearing block 651 and a bearing 652. A mechanical sealing structure 660 is arranged between the second rotating shaft 640 and the centrifugal impeller 510, the mechanical sealing structure 660 is arranged in a sealing cavity and is firmly connected by a mechanical sealing gland, so that the lower part liquid is sealed, and the sealing performance is ensured.
Of course, a secondary gear may be driven to rotate by a main wind wheel, and the speed-changing adjusting structure includes a main gear connected to the main wind wheel through a first rotating shaft, a secondary gear engaged with the main gear, and a second rotating shaft having one end connected to the secondary gear, and the other end of the second rotating shaft is connected to a centrifugal impeller of the centrifugal power pump device. The variable speed adjusting structure can select different combinations of primary and secondary gears to mesh according to requirements so as to meet the requirements of different rotating speeds.
The cooling air or the exhaust air from the ventilation duct 100 passes through the air collector 310 and the air blower 320 and is discharged from the air outlet pipe 330.
The centrifugal power pump device 500 is arranged in the cooling liquid tank 400, a centrifugal impeller 510 of the centrifugal power pump device 500 is connected with the pneumatic device 320 and driven by the pneumatic device 320 to rotate, a liquid outlet 520 of the centrifugal power pump device 500 is connected with the equipment to be cooled 800 through a pipeline 700, and the equipment to be cooled 800 can be a fan bearing box or other equipment needing cooling. The coolant tank 400 may be filled with cooling water or cooling oil, and may be supplied with water or oil cooling or lubrication for equipment requiring cooling. The return port 410 of the coolant tank 400 is connected to the return line 710.
To prevent clogging of the centrifugal force pump device 500, the inlet section of the centrifugal force pump device 500 is provided with a strainer 530, which can filter out larger particles and impurities in the liquid.
The ventilation duct 100 may be provided with an auxiliary air outlet 900 as required, and the auxiliary air outlet 900 is provided with an adjusting valve 910, so that when the air volume is not required to be so large, the excessive air can be discharged, and the pressure inside the ventilation duct is prevented from exceeding the limit.
The working principle of the invention is as follows:
the airflow from the cooling air or waste air source 200 flows along the ventilation duct 100 and the air collecting device 310 to the pneumatic device 320, so as to drive the main pneumatic wheel 321 to rotate, and part of the airflow can flow out of the air outlet pipe 330 after passing through the secondary pneumatic wheel 641. The main wind wheel 321 drives the main gear 620 to rotate through the first rotating shaft 610, the main gear 620 rotates to drive the secondary gear 630 to rotate, and then the second rotating shaft 640 drives the centrifugal impeller 510 of the centrifugal power pump device 500 to rotate, so as to drive the medium in the coolant tank 400 to be transported to a designated position, and the medium is transported in a circulating manner. When the centrifugal power pump device 500 is used on a fan device, the centrifugal impeller 510 of the centrifugal power pump device 500 is synchronously stopped when the fan stops rotating, and the investment of control system equipment is reduced.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (11)
1. The utility model provides a novel centrifugal power pump delivery device, a serial communication port, including air pipe, air pipe's air inlet end is connected with the exit end in cooling air or waste gas source, air pipe's exit end and an at least centrifugal power pump delivery unit connection, centrifugal power pump delivery unit includes:
the air collecting device is connected with the ventilating duct;
the pneumatic device is connected with the air collecting device;
the cooling air or waste gas coming from the ventilating duct passes through the air collecting device and the pneumatic device and is discharged by the air outlet pipe;
a coolant tank;
the centrifugal power pump device is arranged in the cooling liquid tank, a centrifugal impeller of the centrifugal power pump device is connected with the pneumatic device and driven by the pneumatic device to rotate, and a liquid outlet of the centrifugal power pump device is connected with equipment to be cooled through a pipeline.
2. The centrifugal power pump as claimed in claim 1, wherein the air collecting device comprises an upper air duct, a middle air collecting duct, and a lower air duct, an air volume adjusting valve is disposed in the upper air duct, the middle air collecting duct has a tapered structure, one end of the upper air duct is connected to the outlet end of the ventilation duct, the other end of the upper air duct is connected to the large diameter end of the middle air collecting duct, the small diameter end of the middle air collecting duct is connected to one end of the lower air duct, and the other end of the lower air duct is connected to the air outlet pipe.
3. The novel centrifugal power pump delivery apparatus of claim 1, wherein said pneumatic means comprises a primary pneumatic wheel rotatably disposed within said lower air duct, said primary pneumatic wheel being connected to a centrifugal impeller of the centrifugal power pump apparatus.
4. The new centrifugal power pump delivery apparatus as claimed in claim 3, wherein the main wind wheel is connected to the centrifugal impeller of the centrifugal power pump apparatus by a variable speed adjustment mechanism.
5. The new centrifugal power pump delivery apparatus as claimed in claim 4, wherein the variable speed adjustment structure comprises a primary gear connected to the primary wind wheel through a first rotation shaft, a secondary gear engaged with the primary gear, and a second rotation shaft having one end connected to the secondary gear, the other end of the second rotation shaft being connected to the centrifugal impeller of the centrifugal power pump apparatus.
6. The new centrifugal power pump delivery apparatus as claimed in claim 4, wherein the variable speed adjustment structure comprises a main gear connected to the main wind wheel through a first rotation shaft, a pair of secondary gears engaged with the main gear, a pair of second rotation shafts having one ends respectively connected to the pair of secondary gears, and the other ends of the pair of second rotation shafts respectively connected to the centrifugal impellers of the two centrifugal power pump apparatuses.
7. The novel centrifugal power pump delivery device of claim 5 or 6, wherein the second rotating shaft is provided with a secondary pneumatic wheel at the top end thereof.
8. The novel centrifugal power pump delivery apparatus of claim 5 or 6, wherein said first and second rotatable shafts are rotatably connected by a bearing assembly disposed within said lower duct.
9. The new centrifugal power pump delivery apparatus as claimed in claim 1, wherein the inlet section of the centrifugal power pump apparatus is provided with a screen.
10. The new centrifugal power pump delivery apparatus as claimed in claim 1, wherein said ventilation duct is provided with an auxiliary air outlet, said auxiliary air outlet being provided with a regulating valve.
11. The new centrifugal power pump delivery apparatus of claim 1, wherein the outlet end of the ventilation duct is connected in parallel with two or more centrifugal power pump delivery units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110937864.6A CN113653646B (en) | 2021-08-16 | 2021-08-16 | Novel centrifugal power pump conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110937864.6A CN113653646B (en) | 2021-08-16 | 2021-08-16 | Novel centrifugal power pump conveying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113653646A true CN113653646A (en) | 2021-11-16 |
| CN113653646B CN113653646B (en) | 2024-08-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110937864.6A Active CN113653646B (en) | 2021-08-16 | 2021-08-16 | Novel centrifugal power pump conveying device |
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| Country | Link |
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| CN (1) | CN113653646B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2080110U (en) * | 1990-10-16 | 1991-07-03 | 吴文粹 | Pneumatic turbine submersible pump |
| CN2123634U (en) * | 1991-10-29 | 1992-12-02 | 东北工学院 | Pneumatic turbine pump |
| CN2224302Y (en) * | 1995-05-17 | 1996-04-10 | 程起顺 | Pneumatic turbo slurry-pump |
| TWI262244B (en) * | 2005-10-03 | 2006-09-21 | Jen-Tan Sung | Thermal-electric energy conversion recycling system of internal combustion engine |
| CN1959076A (en) * | 2006-08-07 | 2007-05-09 | 奇瑞汽车有限公司 | Device of utilisation of waste gases for automobile engine |
| CN102022285A (en) * | 2010-12-02 | 2011-04-20 | 倪敏禄 | Vertical shaft type wind-resisting disaster-reducing wind power unit |
| CN104110387A (en) * | 2013-04-19 | 2014-10-22 | 上海熊猫机械(集团)有限公司 | Directly-connected water pump of vertical-shaft wind turbine |
| CN206753822U (en) * | 2017-05-09 | 2017-12-15 | 沂水盛荣新能源有限公司 | The wind power generation plant to be generated electricity using ventilation blower |
| CN207131806U (en) * | 2017-09-05 | 2018-03-23 | 浙江三欣重工传动有限公司 | A kind of direct connection high-speed synchronous drives reductor |
| CN113062973A (en) * | 2021-05-10 | 2021-07-02 | 河北铭威冶金设备科技有限公司 | Zinc ash pump |
-
2021
- 2021-08-16 CN CN202110937864.6A patent/CN113653646B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2080110U (en) * | 1990-10-16 | 1991-07-03 | 吴文粹 | Pneumatic turbine submersible pump |
| CN2123634U (en) * | 1991-10-29 | 1992-12-02 | 东北工学院 | Pneumatic turbine pump |
| CN2224302Y (en) * | 1995-05-17 | 1996-04-10 | 程起顺 | Pneumatic turbo slurry-pump |
| TWI262244B (en) * | 2005-10-03 | 2006-09-21 | Jen-Tan Sung | Thermal-electric energy conversion recycling system of internal combustion engine |
| CN1959076A (en) * | 2006-08-07 | 2007-05-09 | 奇瑞汽车有限公司 | Device of utilisation of waste gases for automobile engine |
| CN102022285A (en) * | 2010-12-02 | 2011-04-20 | 倪敏禄 | Vertical shaft type wind-resisting disaster-reducing wind power unit |
| CN104110387A (en) * | 2013-04-19 | 2014-10-22 | 上海熊猫机械(集团)有限公司 | Directly-connected water pump of vertical-shaft wind turbine |
| CN206753822U (en) * | 2017-05-09 | 2017-12-15 | 沂水盛荣新能源有限公司 | The wind power generation plant to be generated electricity using ventilation blower |
| CN207131806U (en) * | 2017-09-05 | 2018-03-23 | 浙江三欣重工传动有限公司 | A kind of direct connection high-speed synchronous drives reductor |
| CN113062973A (en) * | 2021-05-10 | 2021-07-02 | 河北铭威冶金设备科技有限公司 | Zinc ash pump |
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| Publication number | Publication date |
|---|---|
| CN113653646B (en) | 2024-08-06 |
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