CN215261258U - Energy-saving device for circulating water system of thermal power plant - Google Patents
Energy-saving device for circulating water system of thermal power plant Download PDFInfo
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- CN215261258U CN215261258U CN202121619388.5U CN202121619388U CN215261258U CN 215261258 U CN215261258 U CN 215261258U CN 202121619388 U CN202121619388 U CN 202121619388U CN 215261258 U CN215261258 U CN 215261258U
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Abstract
The utility model discloses a thermal power factory circulating water system economizer, with condenser, the supporting installation of cooling tower, the condenser passes through the outlet pipe, the water inlet of back flow and cooling tower is linked together, installation axle is installed on the mounting bracket, the rotating turret includes multiunit and even rigid coupling is installing epaxially, evenly fixes on each group of rotating turret, the intercommunicating pore of axial arrangement is seted up at the both ends of installation axle, the both ends of each group's cooling tube are linked together with the intercommunicating pore at installation axle both ends respectively, the both ends rigid coupling of mounting bracket has the seat of communicating, and communicate the seat with the nested joint of tip with relative pivoted mode of installation axle, wherein a set of seat of communicating is through outlet branch pipe and outlet pipe intercommunication, another group's seat of communicating passes through back flow branch pipe and back flow intercommunication, installation axle power is connected with and is used for driving installation axle pivoted driving motor. The utility model discloses can reduce traditional circulating water system's energy consumption, can guarantee the high efficiency cooling to condenser in the thermal power factory.
Description
Technical Field
The utility model relates to a circulating water system technical field, specific circulating water system economizer of thermal power factory that says so.
Background
When a thermal power plant generates electricity, exhaust gas of a low-pressure cylinder of a steam turbine needs to be cooled through cooling of a circulating water system, and exhaust pressure of the low-pressure cylinder is reduced, so that main steam releases energy to the maximum extent when passing through the steam turbine and works to be converted into mechanical energy for rotation of the steam turbine, and the mechanical energy is used for driving a generator to generate electricity. The circulating water system is used for conveying cooling circulating water to the condenser to exchange heat with the working superheated steam, so that the exhaust pressure and temperature at the tail end of the steam turbine are reduced. Circulating water absorbing heat is conveyed to a cooling tower for spraying, is cooled by countercurrent natural ventilation and then enters a condenser for recycling through a circulating pump. Traditional circulating water system only adopts single cooling tower to handle when cooling down the water, handles comparatively obviously to the higher water of temperature, but when the lower water of outflow condenser temperature cools down, often needs the force (forcing) pump to drive the water lifting to the cooling tower top during the cooling tower is handled, and the energy consumption is great, can not effectively utilize the energy.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned weak point that exists among the prior art, the utility model aims at providing a thermal power factory circulating water system economizer can reduce traditional circulating water system's energy consumption, can guarantee the high efficiency cooling to condenser in the thermal power factory.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: the energy-saving device for the circulating water system of the thermal power plant is matched with a condenser and a cooling tower, the condenser is communicated with a water inlet of the cooling tower through a water outlet pipe, a water outlet of the cooling tower is communicated with the condenser through a return pipe, and the energy-saving device comprises a mounting frame, a mounting shaft, a rotating frame and a radiating pipe;
mounting bracket fixed mounting is on the horizontal plane, the installation axle is in with relative pivoted mode nested installation on the mounting bracket, the rotating turret includes the multiunit and is the even rigid coupling of annular array at installation epaxial, the cooling tube includes the multiunit and evenly fixes on each group's rotating turret along the horizontal direction, the intercommunicating pore that the axial was arranged is seted up at the both ends of installation axle, and the both ends of each group's cooling tube are linked together with the intercommunicating pore at installation axle both ends respectively, the both ends rigid coupling of mounting bracket has the intercommunication seat, and the intercommunication seat with the tip of installation axle is with relative pivoted mode nested joint, and wherein a set of intercommunication seat is through outlet branch pipe and outlet pipe intercommunication, and another group's intercommunication seat passes through return branch pipe and back flow intercommunication, installation axle dynamic connection has and is used for driving installation axle pivoted driving motor.
The epaxial rigid coupling of installation has drive sprocket, driving motor fixed mounting is on the mounting bracket, and the rigid coupling in driving motor's the axis of rotation is on drive sprocket, and drive sprocket passes through the chain with drive sprocket and realizes the chain drive.
The driving motor is connected with the single chip microcomputer through signals.
The water outlet pipe is provided with a first temperature sensor, a first flow sensor, a first electronic switch valve and a first pressure pump in a matched mode, the first temperature sensor is arranged on the upstream side of the connection position of the water outlet branch pipe and the water outlet pipe, the first flow sensor, the first electronic switch valve and the first pressure pump are arranged on the downstream side of the connection position of the water outlet branch pipe and the water outlet pipe, the water outlet branch pipe is provided with a second flow sensor, a second electronic switch valve and a second pressure pump in a matched mode, and the single chip microcomputer is in signal connection with the first temperature sensor, the first flow sensor, the first electronic switch valve, the first pressure pump, the second flow sensor, the second electronic switch valve and the second pressure pump.
The backflow pipe is provided with a second temperature sensor in a matched mode, the second temperature sensor is arranged at the upstream end of the joint of the backflow branch pipe and the backflow pipe, the backflow branch pipe is provided with a third temperature sensor in a matched mode, and the single chip microcomputer is in signal connection with the second temperature sensor and the third temperature sensor.
The utility model has the advantages that: and cooling the water body used by the condenser through the cooling tower so as to cool the circulating water. When the temperature of the water body discharged by the condenser is lower than a specific level, the water body discharged by the condenser enters the radiating tubes of the energy-saving device, the radiating tubes are driven by the driving motor to rotate so as to accelerate the radiating efficiency of the water body in the radiating tubes, the water body with lower water temperature can be radiated, and then the energy consumption of cooling the water body by the cooling tower is reduced. In conclusion, the water bodies with different temperatures are effectively cooled through two cooling modes of the water bodies, and the consumption of energy can be effectively reduced.
Drawings
Fig. 1 is a schematic structural view of the cooling tower and the condenser of the present invention;
fig. 2 is a schematic structural diagram of an energy saving device.
In the figure: the device comprises a condenser 1, a cooling tower 2, a water outlet pipe 3, a return pipe 4, an energy-saving device 5, a mounting frame 6, a mounting shaft 7, a rotating frame 8, a heat radiating pipe 9, a communication hole 10, a communication seat 11, a water outlet branch pipe 12, a return branch pipe 13, a driving motor 14, a driving chain wheel 15, a driving chain wheel 16, a first temperature sensor 17, a first flow sensor 18, a first electronic switch valve 19, a first pressure pump 20, a second flow sensor 21, a second electronic switch valve 22, a second pressure pump 23, a second temperature sensor 24 and a third temperature sensor 25.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the energy-saving device of the circulating water system of the thermal power plant is installed in a matching manner with a condenser 1 and a cooling tower 2, the condenser 1 is communicated with a water inlet of the cooling tower 2 through a water outlet pipe 3, a water outlet of the cooling tower 2 is communicated with the condenser 1 through a return pipe 4, and the energy-saving device 5 comprises a mounting frame 6, a mounting shaft 7, a rotating frame 8 and a radiating pipe 9;
The mounting shaft 7 is fixedly connected with a transmission chain wheel 15, the driving motor 14 is fixedly mounted on the mounting frame 6, the rotating shaft of the driving motor 14 is fixedly connected with a driving chain wheel 16, and the transmission chain wheel 15 and the driving chain wheel 16 realize chain transmission through a chain. The driving motor 14 drives the driving sprocket 16 to rotate when operating, and then drives the driving sprocket 15 and the mounting shaft 7, the rotating frame 8 and the radiating pipe 9 fixedly connected with the driving sprocket 15 to rotate stably through the chain, so as to accelerate the circulation speed of the ambient air to cool the hot water in the radiating pipe 9 at a high speed.
And a singlechip is also arranged, and the driving motor 14 is in signal connection with the singlechip. The working state of the driving motor 14 is controlled by the singlechip.
The water outlet pipe 3 is provided with a first temperature sensor 17, a first flow sensor 18, a first electronic switch valve 19 and a first pressure pump 20 in a matching way, the first temperature sensor 17 is arranged on the upstream side of the joint of the water outlet branch pipe 12 and the water outlet pipe 3, the first flow sensor 18, the first electronic switch valve 19 and the first pressure pump 20 are arranged on the downstream side of the joint of the water outlet branch pipe 12 and the water outlet pipe 3, the water outlet branch pipe 12 is provided with a second flow sensor 21, a second electronic switch valve 22 and a second pressure pump 23 in a matching way, and the single chip microcomputer is in signal connection with the first temperature sensor 17, the first flow sensor 18, the first electronic switch valve 19, the first pressure pump 20, the second flow sensor 21, the second electronic switch valve 22 and the second pressure pump 23.
The return pipe 4 is provided with a second temperature sensor 24 in a matching way, the second temperature sensor 24 is arranged at the upstream end of the joint of the return branch pipe 13 and the return pipe 4, the return branch pipe 13 is provided with a third temperature sensor 25 in a matching way, and the singlechip is in signal connection with the second temperature sensor 24 and the third temperature sensor 25.
The utility model discloses a theory of operation is: when in use, the water body flowing out of the condenser 1 flows along the water outlet pipe 3, the first temperature sensor 17 detects the temperature of the water body and transmits the detected temperature data to the singlechip,
when the temperature value that first temperature sensor 17 detected is higher than the setting value, by single chip microcomputer control first electronic switch valve 19, first force (forcing) pump 20 is in the on-state, second electronic switch valve 22, second force (forcing) pump 23 are in the off-state, the water that will flow out condenser 1 is pumped to the top of cooling tower 2 along outlet pipe 3 by the effect of first force (forcing) pump 20, and accomplish the cooling to the water in the in-process of free fall in cooling tower 2, can detect the water temperature after cooling through second temperature sensor 24, and flow back to condenser 1 again along back flow 4 and use. When the temperature value detected by the first temperature sensor 17 is lower than a set value, the single chip microcomputer controls the first electronic switch valve 19 and the first pressure pump 20 to be in a closed state, the second electronic switch valve 22 and the second pressure pump 23 to be in an open state, the second pressure pump 23 acts to cool the water flowing out of the condenser 1 along the water outlet pipe 3 and the water outlet branch pipe 12 into the radiating pipes 9 of the energy-saving device 5, the single chip microcomputer controls the driving motor 14 to work and further drives the radiating pipes 9 to rotate so as to accelerate the flow speed of the air around the radiating pipes 9, the air and the water in the radiating pipes 9 are cooled and radiated, the water after radiation returns to the condenser 1 along the return branch pipe 13 and the return pipe 4 for use, and meanwhile, the third temperature sensor 25 can detect the temperature of the water after radiation of the energy-saving device 5.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. Thermal power factory circulating water system economizer, with condenser (1), the supporting installation of cooling tower (2), condenser (1) is linked together through the water inlet of outlet pipe (3) with cooling tower (2), the delivery port of cooling tower (2) is linked together its characterized in that through back flow (4) and condenser (1): the energy-saving device (5) comprises a mounting frame (6), a mounting shaft (7), a rotating frame (8) and a radiating pipe (9);
the utility model discloses a water circulation pipeline, including mounting bracket (6), installation axle (7) and heat dissipation pipe (6), mounting bracket (6) fixed mounting is on the horizontal plane, installation axle (7) are in order relative pivoted mode nested installation on mounting bracket (6), rotating turret (8) include the multiunit and are the even rigid coupling of annular array on installation axle (7), cooling tube (9) include the multiunit and evenly fix on each group rotating turret (8) along the horizontal direction, the intercommunicating pore (10) of axial arrangement are seted up at the both ends of installation axle (7), and the both ends of each group cooling tube (9) are linked together with intercommunicating pore (10) at installation axle (7) both ends respectively, the both ends rigid coupling of mounting bracket (6) has intercommunication seat (11), and intercommunication seat (11) with the tip of installation axle (7) are in order relative pivoted mode nested joint, wherein a set of intercommunication seat (11) is through going out water branch pipe (12) and outlet pipe (3) intercommunication, and another group's intercommunication seat (11) are through backflow branch pipe (4), the power connection of the installation shaft (7) is provided with a driving motor (14) for driving the installation shaft (7) to rotate.
2. The energy-saving device for a circulating water system of a thermal power plant according to claim 1, characterized in that: the rigid coupling has drive sprocket (15) on installation axle (7), driving motor (14) fixed mounting is on mounting bracket (6), and the rigid coupling is on drive sprocket (16) in driving motor's (14) the axis of rotation, and drive sprocket (15) realize the chain drive through the chain with drive sprocket (16).
3. The energy-saving device for a circulating water system of a thermal power plant according to claim 1, characterized in that: the device is also provided with a singlechip, and the driving motor (14) is in signal connection with the singlechip.
4. The energy-saving device for a circulating water system of a thermal power plant according to claim 3, characterized in that: a first temperature sensor (17), a first flow sensor (18), a first electronic switch valve (19) and a first pressure pump (20) are arranged on the water outlet pipe (3) in a matched manner, the first temperature sensor (17) is arranged on the upstream side of the joint of the water outlet branch pipe (12) and the water outlet pipe (3), the first flow sensor (18), the first electronic switch valve (19) and the first pressure pump (20) are arranged on the downstream side of the joint of the water outlet branch pipe (12) and the water outlet pipe (3), a second flow sensor (21), a second electronic switch valve (22) and a second pressure pump (23) are arranged on the water outlet branch pipe (12) in a matched manner, and the singlechip, the first temperature sensor (17), the first flow sensor (18), the first electronic switch valve (19), the first pressure pump (20), the second flow sensor (21), the second electronic switch valve (22), The second booster pump (23) is connected by signals.
5. The energy-saving device for a circulating water system of a thermal power plant according to claim 3, characterized in that: the backflow pipe (4) is provided with a second temperature sensor (24) in a matched mode, the second temperature sensor (24) is arranged at the upstream end of the joint of the backflow branch pipe (13) and the backflow pipe (4), the backflow branch pipe (13) is provided with a third temperature sensor (25) in a matched mode, and the single chip microcomputer is in signal connection with the second temperature sensor (24) and the third temperature sensor (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121619388.5U CN215261258U (en) | 2021-07-16 | 2021-07-16 | Energy-saving device for circulating water system of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121619388.5U CN215261258U (en) | 2021-07-16 | 2021-07-16 | Energy-saving device for circulating water system of thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215261258U true CN215261258U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121619388.5U Active CN215261258U (en) | 2021-07-16 | 2021-07-16 | Energy-saving device for circulating water system of thermal power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215261258U (en) |
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2021
- 2021-07-16 CN CN202121619388.5U patent/CN215261258U/en active Active
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