CN104729316A - Condensing tower with generator and control method thereof - Google Patents
Condensing tower with generator and control method thereof Download PDFInfo
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- CN104729316A CN104729316A CN201510112240.5A CN201510112240A CN104729316A CN 104729316 A CN104729316 A CN 104729316A CN 201510112240 A CN201510112240 A CN 201510112240A CN 104729316 A CN104729316 A CN 104729316A
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Abstract
The invention discloses a condensing tower with a generator, which belongs to the field of condensing towers. In order to solve the problem that an existing cooling tower cannot sufficiently utilize the surplus lift of a water suction pump, the invention provides a condensing tower with a generator, which comprises a tower body, a water suction pipe, a water suction pump, a control center, an auxiliary motor, a fan, a water turbine, a generator and a battery. The condensing tower disclosed by the invention fully utilizes the surplus lift of the water suction pump so as to realize the automatic control on the rotating speed and torque of the water turbine and the rotating speed of the fan; and when the cooling tower operates at low efficiency, the surplus torque of the water turbine is stored for power generation, and when the cooling tower operates at high efficiency, a power supply is provided when the auxiliary motor is required to accelerate the rotation of the fan, so that the efficient utilization of the surplus lift of the water suction pump can be realized.
Description
Technical field
The invention belongs to condensing tower field, particularly a kind of condensing tower with generator and control method.
Background technology
At present, existing cooling tower has two kinds, and a kind of is the blower fan exhausting driven by motor, reaches the cooling tower of the object of cooling.Another kind is the blower fan exhausting by hydro powered, reaches the cooling tower of cooling object.For the second cooling tower, because waterpower is that the lift more than needed utilizing suction pump water to be extracted into tower top drives the hydraulic turbine to obtain, therefore to the rotating speed of the hydraulic turbine and the bad control of moment of torsion, if utilize brake or utilize shunt regulating to adjust the size and Orientation of water inlet current thus to realize to the adjustment of waterpower again or utilize the diverse location of adjustment water inlet water impact turbine blade to regulate rotating speed and the moment of torsion of the hydraulic turbine, all to utilize the lift more than needed of suction pump fully.The such as patent No. is the patent of CN 201546867 U, utilizes exactly by regulating the size and Orientation of current to realize the rotating speed of the hydraulic turbine and the control of moment of torsion.This patent just existence utilizes insufficient problem to the lift more than needed of suction pump.
Summary of the invention
In order to solve the shortcoming of prior art in above-mentioned background technology, the invention provides a kind of condensing tower with generator and control method.
Technical scheme of the present invention is:
With a condensing tower for generator, comprise tower body, drinking-water pipe, suction pump, control centre, stand-by motor, blower fan, the hydraulic turbine, generator and battery; Tower body is one and is gone along with sb. to guard him by housing and form and for water-cooled cavity to be cooled, be provided with temperature sensor in water to be cooled, and this temperature sensor and tower body outward control centre are connected by wire; Drinking-water pipe is connected with the bottom of tower body and is communicated with the water to be cooled in tower body, drinking-water pipe is provided with the suction pump of the water to be cooled extracted in tower body, the delivery port of drinking-water pipe be arranged on tower body top the hydraulic turbine water inlet be connected, be provided with in the delivery port of drinking-water pipe measure drinking-water pipe delivery port in the flow of water to be cooled and the flow sensor of pressure and pressure sensor, flow sensor and pressure sensor by wire and tower body outward control centre be connected; The top of the hydraulic turbine is in series with the blower fan of the air extracted in tower body, and the output shaft on hydraulic turbine top is connected with the rotating shaft of blower fan; The top rotating shaft of blower fan is in series with stand-by motor; Blower fan is provided with the velocity sensor measuring rotation speed of fan, and described velocity sensor is connected by wire with the outer control centre of tower body; The bottom of the hydraulic turbine is in series with the generator of generating, and the magnet of this generator is electromagnet, and its magnetic flux can regulate; Generator is connected by wire with control centre; Generator is connected by wire with the input of the battery outside tower body, and the output of battery is connected by wire with stand-by motor, and the output control switch of battery is connected with control centre, and the output of battery is controlled by control centre.
Two temperature line of water to be cooled are set in control centre, are respectively the first temperature line and the second temperature line; Wherein the value of the first temperature line is greater than the value of the second temperature line, and control centre records the temperature of water to be cooled by the temperature sensor in water to be cooled.
A kind of control method of the condensing tower with generator:
The first step: during beginning, stand-by motor and generator do not work, and the magnetic flux of the magnet of generator is zero; Only the hydraulic turbine is driven to drive blower fan to rotate by the lift more than needed of suction pump; When control centre records the temperature value of water to be cooled between the value and the value of the second temperature line of the first temperature line by the temperature sensor in water to be cooled, keep the working method of cooling tower constant;
Second step: when control centre to record the value of temperature value lower than the second temperature line of water to be cooled by the temperature sensor in water to be cooled, the magnetic flux that control centre controls the magnet of generator increases, and generator is started working generating by the electrical power storage that obtains in battery; The magnetic flux of the magnet of generator keeps increasing, until control centre records the temperature value of water to be cooled between the value and the value of the second temperature line of the first temperature line by the temperature sensor in water to be cooled, ensure that the magnetic flux of current magnets is constant, generator continues generating;
3rd step: when the value of control centre to record water to be cooled temperature value by the temperature sensor in water to be cooled higher than the first temperature line or in the delivery port of drinking-water pipe, flow sensor and pressure sensor record flow and the hypotension of water to be cooled, , the size of the magnetic flux of the magnet of generator first detects in control centre, 1) if the magnetic flux of magnet is non-vanishing, then control centre first controls the magnetic flux reduction of the magnet of generator, reduce the rotary resistance of generated energy and the hydraulic turbine, until control centre records the temperature value of water to be cooled between the value and the value of the second temperature line of the first temperature line by the temperature sensor in water to be cooled, ensure that the magnetic flux of current magnets is constant, generator continues generating, if when the magnetic flux of the magnet of generator is reduced to zero, temperature in water to be cooled is still higher than the value of the first temperature line, then control centre's control battery is transmitted electricity to stand-by motor, the rotating speed starting stand-by motor quickening blower fan reduces the temperature of water to be cooled, until the temperature in water to be cooled is between the value and the value of the second temperature line of the first temperature line, when the value of the temperature in water to be cooled again lower than the second temperature line, control centre closes stand-by motor, get back to the first step, 2) if the magnetic flux of magnet is zero, then control centre's control battery is transmitted electricity to stand-by motor, the rotating speed starting stand-by motor quickening blower fan reduces the temperature of water to be cooled, until the temperature in water to be cooled is between the value and the value of the second temperature line of the first temperature line, when the value of the temperature in water to be cooled again lower than the second temperature line, control centre closes stand-by motor, get back to the first step.
Beneficial effect of the present invention is:
The present invention not only takes full advantage of the lift more than needed of suction pump, achieves the automatic control to the rotating speed of the hydraulic turbine and the rotating speed of moment of torsion and blower fan.Also when cooling tower fallback, utilize the moment of torsion more than needed of the hydraulic turbine to store generating, when cooling tower high-efficiency operation, provide power supply when needing stand-by motor to accelerate rotation speed of fan, thus achieve the efficiency utilization of the lift more than needed to suction pump.
Accompanying drawing explanation
Fig. 1 is the overall structure sketch of the condensing tower with generator;
Fig. 2 is the flow chart of the condensing tower control method with generator.
Wherein, 1 is tower body, and 2 is drinking-water pipe, and 3 is suction pump, and 4 is control centre, and 5 is stand-by motor, and 6 is blower fan, and 7 is the hydraulic turbine, and 8 is generator, and 9 is battery.
Detailed description of the invention
With a condensing tower for generator, comprise tower body 1, drinking-water pipe 2, suction pump 3, control centre 4, stand-by motor 5, blower fan 6, the hydraulic turbine 7, generator 8 and battery 9.Tower body 1 is one and is gone along with sb. to guard him by housing and to form and for water-cooled cavity to be cooled, be provided with temperature sensor in water to be cooled, this temperature sensor is connected by wire with the outer control centre 4 of tower body 1.Drinking-water pipe 2 is connected with the bottom of tower body 1 and is communicated with the water to be cooled in tower body 1, drinking-water pipe 2 is provided with the suction pump 3 of the water to be cooled extracted in tower body 1, the delivery port of drinking-water pipe 2 be arranged on tower body 1 top the hydraulic turbine 7 water inlet be connected, be provided with in the delivery port of drinking-water pipe 2 measure drinking-water pipe 2 delivery port in the flow of water to be cooled and the flow sensor of pressure and pressure sensor, flow sensor is connected by the outer control centre 4 of wire and tower body 1 with pressure sensor.The top of the hydraulic turbine 7 is in series with the blower fan 6 of the air extracted in tower body 1, and the output shaft on the hydraulic turbine 7 top is connected with the rotating shaft of blower fan 6.The top rotating shaft of blower fan 6 is in series with stand-by motor 5.Blower fan 6 is provided with the velocity sensor measuring blower fan 6 rotating speed, and described velocity sensor is connected by wire with the outer control centre 4 of tower body 1.The bottom of the hydraulic turbine 7 is in series with the generator 8 of generating, and the magnet of this generator 8 is electromagnet, and its magnetic flux can regulate.Generator 8 is connected by wire with control centre 4.Generator 8 is connected by wire with the input of the battery 9 outside tower body 1, and the output of battery 9 is connected by wire with stand-by motor 5, and the output control switch of battery 9 is connected with control centre 4, and the output of battery 9 is controlled by control centre 4.
Control centre 4 is arranged two temperature line of water to be cooled, be respectively the first temperature line and the second temperature line.Wherein the value of the first temperature line is greater than the value of the second temperature line, control centre 4 records the temperature of water to be cooled by the temperature sensor in water to be cooled, in flow charts, the temperature of water to be cooled is t, the value of the first temperature line is t2, and the value of the second temperature line is t1, and the value t2 of the first temperature line and the value t1 of the second temperature line is the value arranged, the value measured to make the temperature t of water to be cooled is accurate, uses the assay method of PID to measure the temperature t of water to be cooled.In process control, the PID controller (also known as PID adjuster) carrying out controlling in the ratio (P) of deviation, integration (I) and differential (D) is a kind of automatic controller be most widely used.It is simple that it has principle, is easy to realize, and widely applicable, controling parameters is separate, the advantage such as selected fairly simple of parameter; And can prove in theory, for the typical subject " first-order lag+purely retarded " of process control and the control object of " second-order lag+purely retarded ", PID controller is a kind of optimum control.PID Rule adjusting is a kind of effective ways that continuous system dynamic quality corrects.
A kind of control method of the condensing tower with generator is provided below:
The first step: during beginning, stand-by motor 5 and generator 8 do not work, and the magnetic flux of the magnet of generator 8 is zero.Only the hydraulic turbine 7 is driven to drive blower fan 6 to rotate by the lift more than needed of suction pump 3.When control centre 4 records the temperature value of water to be cooled between the value and the value of the second temperature line of the first temperature line by the temperature sensor in water to be cooled, keep the working method of cooling tower constant.
Second step: when control centre 4 to record the value of temperature value lower than the second temperature line of water to be cooled by the temperature sensor in water to be cooled, the magnetic flux that control centre 4 controls the magnet of generator 8 increases, and generator 8 is started working generating by the electrical power storage that obtains in battery 9.The magnetic flux of the magnet of generator 8 keeps increasing, until control centre 4 records the temperature value of water to be cooled between the value and the value of the second temperature line of the first temperature line by the temperature sensor in water to be cooled, ensure that the magnetic flux of current magnets is constant, generator 8 continues generating.
3rd step: when the value of control centre 4 to record water to be cooled temperature value by the temperature sensor in water to be cooled higher than the first temperature line or in the delivery port of drinking-water pipe 2, flow sensor and pressure sensor record flow and the hypotension of water to be cooled, the size of the magnetic flux of the magnet of generator 8 first detects in control centre 4, (1) if the magnetic flux of magnet is non-vanishing, then control centre 4 first controls the magnetic flux reduction of the magnet of generator 8, reduce the rotary resistance of generated energy and the hydraulic turbine 7, until control centre 4 records the temperature value of water to be cooled between the value and the value of the second temperature line of the first temperature line by the temperature sensor in water to be cooled, ensure that the magnetic flux of current magnets is constant, generator 8 continues generating.If when the magnetic flux of the magnet of generator 8 is reduced to zero, temperature in water to be cooled is still higher than the value of the first temperature line, then control centre 4 controls battery 9 and transmits electricity to stand-by motor 5, start the temperature that rotating speed that stand-by motor 5 accelerates blower fan 6 reduces water to be cooled, until the temperature in water to be cooled is between the value and the value of the second temperature line of the first temperature line, when the value of the temperature in water to be cooled again lower than the second temperature line, control centre 4 closes stand-by motor 5.Get back to the first step.(2) if the magnetic flux of magnet is zero, then control centre 4 controls battery 9 and transmits electricity to stand-by motor 5, start the temperature that rotating speed that stand-by motor 5 accelerates blower fan 6 reduces water to be cooled, until the temperature in water to be cooled is between the value and the value of the second temperature line of the first temperature line, when the value of the temperature in water to be cooled again lower than the second temperature line, control centre 4 closes stand-by motor 5.Get back to the first step.
Claims (3)
1. with a condensing tower for generator, comprise tower body (1), drinking-water pipe (2), suction pump (3), control centre (4), stand-by motor (5), blower fan (6), the hydraulic turbine (7), generator (8) and battery (9); It is characterized in that: tower body (1) is one and is gone along with sb. to guard him by housing and to form and for water-cooled cavity to be cooled, be provided with temperature sensor in water to be cooled, this temperature sensor is connected by wire with tower body (1) outer control centre (4); Drinking-water pipe (2) is connected with the bottom of tower body (1) and is communicated with the water to be cooled in tower body (1), drinking-water pipe (2) is provided with the suction pump (3) of the water to be cooled extracted in tower body (1), the delivery port of drinking-water pipe (2) be arranged on tower body (1) top the hydraulic turbine (7) water inlet be connected, be provided with in the delivery port of drinking-water pipe (2) measure drinking-water pipe (2) delivery port in the flow of water to be cooled and the flow sensor of pressure and pressure sensor, flow sensor is connected with tower body (1) outer control centre (4) by wire with pressure sensor; The top of the hydraulic turbine (7) is in series with the blower fan (6) of the air extracted in tower body (1), and the output shaft on the hydraulic turbine (7) top is connected with the rotating shaft of blower fan (6); The top rotating shaft of blower fan (6) is in series with stand-by motor (5); Blower fan (6) is provided with the velocity sensor measuring blower fan (6) rotating speed, and described velocity sensor is connected by wire with tower body (1) outer control centre (4); The bottom of the hydraulic turbine (7) is in series with the generator (8) of generating, and the magnet of this generator (8) is electromagnet, and its magnetic flux can regulate; Generator (8) is connected by wire with control centre (4); Generator (8) is connected by wire with the input of tower body (1) battery outward (9), the output of battery (9) is connected by wire with stand-by motor (5), the output control switch of battery (9) is connected with control centre (4), and the output of battery (9) is controlled by control centre (4).
2. a kind of condensing tower with generator according to claim 1, is characterized in that: two temperature line arranging water to be cooled in control centre (4), are respectively the first temperature line and the second temperature line; Wherein the value of the first temperature line is greater than the value of the second temperature line, and control centre (4) records the temperature of water to be cooled by the temperature sensor in water to be cooled.
3., with a control method for the condensing tower of generator, it is characterized in that:
The first step: during beginning, stand-by motor (5) and generator (8) do not work, and the magnetic flux of the magnet of generator (8) is zero; Only the hydraulic turbine (7) is driven to drive blower fan (6) to rotate by the lift more than needed of suction pump (3); When control centre (4) records the temperature value of water to be cooled between the value and the value of the second temperature line of the first temperature line by the temperature sensor in water to be cooled, keep the working method of cooling tower constant;
Second step: when control centre (4) to record the value of temperature value lower than the second temperature line of water to be cooled by the temperature sensor in water to be cooled, the magnetic flux that control centre (4) controls the magnet of generator (8) increases, and generator (8) is started working generating by the electrical power storage that obtains in battery (9); The magnetic flux of the magnet of generator (8) keeps increasing, until control centre (4) records the temperature value of water to be cooled between the value and the value of the second temperature line of the first temperature line by the temperature sensor in water to be cooled, ensure that the magnetic flux of current magnets is constant, generator (8) continues generating;
3rd step: when the value of control centre (4) to record water to be cooled temperature value by the temperature sensor in water to be cooled higher than the first temperature line or in the delivery port of drinking-water pipe (2), flow sensor and pressure sensor record flow and the hypotension of water to be cooled, , the size of the magnetic flux of the magnet of generator (8) first detects in control centre (4), 1) if the magnetic flux of magnet is non-vanishing, then control centre (4) first controls the magnetic flux reduction of the magnet of generator (8), reduce the rotary resistance of generated energy and the hydraulic turbine (7), until control centre (4) records the temperature value of water to be cooled between the value and the value of the second temperature line of the first temperature line by the temperature sensor in water to be cooled, ensure that the magnetic flux of current magnets is constant, generator (8) continues generating, if when the magnetic flux of the magnet of generator (8) is reduced to zero, temperature in water to be cooled is still higher than the value of the first temperature line, then control centre (4) control battery (9) transmits electricity to stand-by motor (5), the rotating speed starting stand-by motor (5) quickening blower fan (6) reduces the temperature of water to be cooled, until the temperature in water to be cooled is between the value and the value of the second temperature line of the first temperature line, when the value of the temperature in water to be cooled again lower than the second temperature line, control centre (4) closes stand-by motor (5), get back to the first step, 2) if the magnetic flux of magnet is zero, then control centre (4) control battery (9) transmits electricity to stand-by motor (5), the rotating speed starting stand-by motor (5) quickening blower fan (6) reduces the temperature of water to be cooled, until the temperature in water to be cooled is between the value and the value of the second temperature line of the first temperature line, when the value of the temperature in water to be cooled again lower than the second temperature line, control centre (4) closes stand-by motor (5), get back to the first step.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510112240.5A CN104729316B (en) | 2015-03-16 | 2015-03-16 | Condensing tower with generator and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510112240.5A CN104729316B (en) | 2015-03-16 | 2015-03-16 | Condensing tower with generator and control method thereof |
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| CN104729316A true CN104729316A (en) | 2015-06-24 |
| CN104729316B CN104729316B (en) | 2017-02-22 |
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Cited By (3)
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| CN106121898A (en) * | 2016-07-04 | 2016-11-16 | 上海理工大学 | Recirculated cooling water hydraulic recovery energy conserving system based on intelligent electric source control |
| CN106198024A (en) * | 2016-07-27 | 2016-12-07 | 江苏河海嘉裕节能科技有限公司 | The investigating method of the special water turbine test bed of cooling stage |
| CN106198026A (en) * | 2016-07-27 | 2016-12-07 | 江苏河海嘉裕节能科技有限公司 | A kind of control method of hydraulic turbine of cooling tower testing stand |
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| CN204478864U (en) * | 2015-03-16 | 2015-07-15 | 芜湖凯博实业股份有限公司 | A kind of condensing tower with generator |
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| CN106121898A (en) * | 2016-07-04 | 2016-11-16 | 上海理工大学 | Recirculated cooling water hydraulic recovery energy conserving system based on intelligent electric source control |
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| CN106198026A (en) * | 2016-07-27 | 2016-12-07 | 江苏河海嘉裕节能科技有限公司 | A kind of control method of hydraulic turbine of cooling tower testing stand |
| CN106198024B (en) * | 2016-07-27 | 2019-04-19 | 江苏河海嘉裕节能科技有限公司 | The investigating method of the dedicated water turbine test bed of cooling bench |
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| CN104729316B (en) | 2017-02-22 |
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Address after: 241000 Wuhu high tech Industrial Development Zone, Anhui Patentee after: Wuhu Kaibo Environmental Protection Technology Co., Ltd. Address before: 241000 Wuhu high tech Industrial Development Zone, Anhui Patentee before: Wuhu Kai Bo Industry Co., Ltd |
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Granted publication date: 20170222 Termination date: 20180316 |
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