CN205066496U - Energy saving cooling tower - Google Patents
Energy saving cooling tower Download PDFInfo
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- CN205066496U CN205066496U CN201520688722.0U CN201520688722U CN205066496U CN 205066496 U CN205066496 U CN 205066496U CN 201520688722 U CN201520688722 U CN 201520688722U CN 205066496 U CN205066496 U CN 205066496U
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- cooling tower
- energy
- water pump
- solar cell
- blower fan
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Abstract
The utility model provides an energy saving cooling tower. Energy saving cooling tower includes cooling tower body, solar cell, fan and water pump, solar cell cover in the outer wall of cooling tower body, and respectively with fan and water pump electricity are connected, the fan is located inside the cooling tower body, the water pump with the cooling tower body is inside to be linked together. The utility model provides an energy saving cooling tower is satisfying under the prerequisite of energy saving cooling tower energy consumption demand, utilize solar energy to produce the use of electric energy in order to practice thrift conventional electric energy, coordinated control simultaneously the fan with the energy consumption is effectively practiced thrift to the operating power of water pump.
Description
Technical field
The utility model relates to thermal energy exchange technical field, particularly relates to a kind of cooling tower.
Background technology
Very general water resource recycling device applied by cooling tower, and its major function is that the cooling water containing used heat and air are carried out heat exchange in tower, makes water temperature be down to the temperature of requirement, again to circulate.
At present, the water pump supplied water for cooling tower and the blower fan of cooling tower drive by motor, its automatic control level is lower, the duty of cooling tower is single, do not possess the ability automatically regulated with the change of parameters, the cooling capacity of cooling tower is throughout the year superfluous, and annual consumption is a large amount of for driving the electric energy of water pump and blower fan, has the very large energy saving space.
On the other hand, cooling tower only to pump motor and blower motor respectively isolated regulate, there is no cooperation control each other, although water pump and the isolated load of blower fan two can realize energy-saving run to a certain extent respectively, but from the whole system that cooling tower runs, the cooling performance of cooling tower is not not fully exerted utilization, and whole cooling tower systems also has the very large energy saving space.
Utility model content
For the deficiency that prior art exists, the utility model object can obtain the cooling tower of obvious energy saving effect under being to provide a kind of prerequisite ensureing cooling tower reliability service.
A kind of energy-saving cooling tower, comprise cooling tower body, solar cell, blower fan and water pump, described solar cell is covered in the outer wall of described cooling tower body, and be electrically connected with described blower fan and water pump respectively, described cooling tower body interior is located at by described blower fan, and described water pump is connected with described cooling tower body interior.
In one preferred embodiment of the energy-saving cooling tower provided at the utility model, described energy-saving cooling tower also comprises sensor group, intelligent controller and power frequency supply, and described intelligent controller is electrically connected with described sensor group, described solar panel, described power frequency supply, described blower fan and described water pump respectively.
In one preferred embodiment of the energy-saving cooling tower provided at the utility model, described energy-saving cooling tower also comprises the air duct being located at described cooling tower bodies top and the water tank being located at described cooling tower body bottom portion.
In one preferred embodiment of the energy-saving cooling tower provided at the utility model, described sensor group comprises the first voltage sensor, the second voltage sensor, flowmeter, inflow temperature sensor, leaving water temperature sensors and speed probe, described first voltage sensor is connected with described solar cell, described second voltage sensor is connected with described power frequency supply, described flowmeter and described inflow temperature sensor are installed on described water pump, described leaving water temperature sensors is positioned at described water tank, and described speed probe is installed on described air duct.
In one preferred embodiment of the energy-saving cooling tower provided at the utility model, described sensor group also comprises pressure sensor, and described pressure sensor is installed in described cooling tower body.
In one preferred embodiment of the energy-saving cooling tower provided at the utility model, described blower fan and described water pump include the drive motors be connected electrically.
In one preferred embodiment of the energy-saving cooling tower provided at the utility model, described drive motors is variable-frequency motor.
In one preferred embodiment of the energy-saving cooling tower provided at the utility model, described intelligent controller is electrically connected with described drive motors.
Compared to prior art, the beneficial effects of the utility model are as follows:
One, solar panel described in described cooling tower surface mount, generating drives the water pump of described cooling tower and blower fan running, effectively can reduce the water pump of described cooling tower and blower fan to the consumption of conventional electric energy.
Two, carry out cooperation control to described water conveying system and described blower fan system, the cooling performance of described cooling tower is not fully exerted utilization, realizes energy-saving run to the full extent.
Three, described transmission device adopts energy-saving belt or gear drive, reduces the energy loss of described cooling tower further.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of energy-saving cooling tower one preferred embodiment that the utility model provides;
Fig. 2 is the structured flowchart of the sensor group of the energy-saving cooling tower shown in Fig. 1, intelligent controller, solar cell, power frequency supply and motor.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 and Fig. 2, Fig. 1 is the structural representation of energy-saving cooling tower one preferred embodiment that the utility model provides, and Fig. 2 is the structured flowchart of the sensor group of the energy-saving cooling tower shown in Fig. 1, intelligent controller, solar cell, power frequency supply and motor.Described energy-saving cooling tower 100 comprises cooling tower body 1, water tank 2, air duct 3, blower fan 4, water pump 5, solar cell 6, power current 7, sensor group 8, intelligent controller 9, described water tank 2 is positioned at the bottom of described cooling tower body 1, described air duct 3 is positioned at the top of described cooling tower body 1, described blower fan 4 is located in described air duct 3, the outer wall of described cooling tower body 1 is located at by described solar cell 6, described solar cell 6 and described power current 7 are electrically connected with described intelligent controller 9, described sensor group 8 is electrically connected with described intelligent controller 9, described intelligent controller 9 is electrically connected with described blower fan 4 and described water pump 5 respectively.
The receiving space 13 that described cooling tower body 1 comprises cooling tower body sidewall 11, cooling tower bodies top end face 12 and surrounded by described cooling tower body sidewall 11 and cooling tower bodies top end face 12, is filled with filler in described receiving space 13.
Described water tank 2 is for collecting recirculated cooling water, and it is positioned at the bottom of described receiving space 13, and described water tank 2 comprises the cooling water outlet pipe 21 be connected with its inside, and described cooling water outlet pipe 21 is delivery port with the junction of described water tank 2.
Described receiving space 13 top is located at by described air duct 3, is provided with blower fan 4 in described air duct 3, and described blower fan 4 comprises the first motor 41 be connected electrically, and described first motor 41 is arranged at outside described air duct 3.Described first motor 41 drives described blower fan 4 to operate, and described first motor 41 is connected by belt or gear drive with described blower fan 4, and described first motor 41 is variable-frequency motor, and described belt or loading drive gear are set to energy-saving transmission device.Described first motor 41 is electrically connected with described intelligent controller 9.
Described water pump 5 enters in described cooling tower body 1 for delivery cycle cooling water, and described water pump 5 comprises the second motor 51 be connected electrically, and described second motor 51 drives described water pump 5 to operate and to be input in described cooling tower 100 by recirculated cooling water.Described second motor 51 is variable-frequency motor.Described second motor 51 is electrically connected with described intelligent controller 9.Described water pump 5 also comprises coupled logical cooling water inlet pipe 52, and recirculated cooling water is input in described cooling tower body 1 by described cooling water inlet pipe 52.
Described solar cell 6 is for solar electrical energy generation, and described solar cell 6 is attached at the outer surface of described cooling tower body sidewall 11 and described cooling tower bodies top end face 12.Described solar cell 6 is electrically connected with described intelligent controller 9.
Described power frequency supply 7 is normal power supplies, for providing cooling tower energy consumption.Described power frequency supply 7 is electrically connected with described intelligent controller 9.
Described sensor group 8 comprises the first voltage sensor 81, second voltage sensor 82, flowmeter 83, inflow temperature sensor 84, leaving water temperature sensors 85, speed probe 86 and pressure sensor 87, and described first voltage sensor 81, second voltage sensor 82, flowmeter 83, inflow temperature sensor 84, leaving water temperature sensors 85, speed probe 86 and pressure sensor 87 are electrically connected with described intelligent controller 9 respectively.
Described first voltage sensor 81 is for measuring the output voltage of described solar cell 6; Described second voltage sensor 82 is for measuring the output voltage of described power current 7; Described flowmeter 83 gathers the flow of recirculated cooling water, and described inflow temperature sensor 84 gathers the inflow temperature of recirculated cooling water, and described fluid flowmeter 83 and described inflow temperature sensor 84 are all positioned at the delivery port of described water pump 5; Described leaving water temperature sensors 85 gathers the leaving water temperature of recirculated cooling water, and described leaving water temperature sensors 85 is positioned at described water tank 2; Described speed probe 86 gathers the rotary speed data of described blower fan 22, and described speed probe 86 is positioned at described air duct 3; Described pressure sensor 87 gathers the pressure in described cooling tower 100, and described pressure sensor 87 is positioned at cooling tower 100 tower body.
Described intelligent controller 9 is digital signal processor or other SCM systems.The data that described intelligent controller 9 exports for receiving described sensor group 8, and feed back described data analysis, with the operating power of the input power of this adjusting energy and load.The input of described intelligent controller 9 is electrically connected with described solar cell 6, described power frequency supply 7 and described sensor group 8, and the output of described intelligent controller 9 is electrically connected with described first motor 41 and described second motor 51.
Described intelligent controller 9 to the main purpose that described cooling tower 100 carries out power supply control is: to described solar cell 6 generate electricity can and described power frequency supply 7 supply electric energy to carry out energy management, reasonable adjusting ratio between the two, ensures as described blower fan 4 and described water pump 5 provide the stable electric power supply continued.Described intelligent controller 9 controls the mode of operation of described solar cell 6 and described power frequency supply 7 according to load side electric quantity consumption situation and supply side electric power supply situation, specifically comprises following step:
(11) described first voltage sensor 81 and described second voltage sensor 83 gather the output voltage V1s of described the solar cell 6 and output voltage V2s of described power frequency supply 7 respectively, and give described intelligent controller 9 by gathered data;
(12) described intelligent controller 9 judges whether V1s and V2s is greater than the voltage setting value of described solar cell 6 output voltage setting value and described power frequency supply 7 respectively;
Described solar cell 6 output voltage setting value and described power frequency supply 7 both end voltage setting value are respectively: V10+ Δ V1 and V20+ Δ V2, wherein V10 is the design load of described solar cell 6 output voltage, the voltage deviation that Δ V1 allows for respective design, V20 is the design load of described power frequency supply 7 both end voltage, the voltage deviation that Δ V2 allows for respective design;
When the output voltage V1s of described solar cell 6 is greater than described solar cell 6 output voltage setting value V10+ Δ V1, and the voltage V2s at described power frequency supply 7 two ends is greater than described power frequency supply 7 both end voltage setting value V20+ Δ V2, then turn to step (13);
When the output voltage V1s of described solar cell 6 is greater than described solar cell 6 output voltage setting value V10+ Δ V1, and the voltage V2s at described power frequency supply 7 two ends is less than described power frequency supply 7 both end voltage setting value V20+ Δ V2, then turn to step (14);
When the output voltage V1s of described solar cell 6 is less than described solar cell 6 output voltage setting value V10+ Δ V1, then turn to step (15);
Step (13): then illustrate that the electric energy that described solar cell 6 sends meets the requirements, the electric energy input of supply side is greater than the electric energy output of load side;
The electric energy that described solar cell 6 sends is enough to drive described blower fan 4 and described water pump 5 operate and have more than needed simultaneously, system does not expend conventional electric energy, described intelligent controller 9 controls to be the alternating current feed-in electrical network meeting grid requirements by the current inversion that described solar cell 6 produces, the voltage V1s simultaneously maintaining described solar cell 6 output voltage two ends is stabilized between V10+ Δ V1 and V10-Δ V1, and now described intelligent controller 9 controls described cooling tower 100 in the first powered operation pattern;
Step (14): then illustrate that the electric energy that described solar cell 6 sends meets the requirements, the electric energy of load side exports the electric energy input being greater than supply side;
The electric energy that described solar cell 6 sends is not enough to drive described blower fan 4 and described water pump 5 to operate simultaneously, it is that direct current exports to load side that described intelligent controller 9 controls the AC rectification of described power frequency supply 7, and increase the input of electric energy gradually, the voltage V1s maintaining described solar cell 6 output is stabilized between V10+ Δ V1 and V10-Δ V1, and now described intelligent controller 9 controls described cooling tower 100 in the second powered operation pattern;
Step (15): then illustrate that the electric energy that described solar cell 6 sends is undesirable, described solar cell 6 quits work;
Described intelligent controller 9 controls the change of described power frequency supply 1 both end voltage V2s, control conventional electric energy input number, described blower fan 4 and described water pump 5 are completely by conventional electrical energy drive, and now described intelligent controller 9 controls described cooling tower 100 in the third powered operation pattern;
Above control method can make described solar cell 6 always work in high efficiency operating point, play the generating capacity of described solar cell 6 to greatest extent, also the electric energy making described solar cell 6 send is utilized completely, also can ensure the reliability of system cloud gray model simultaneously.
Described cooling tower 100 mainly contains three kinds of powered operation patterns.The first mode of operation: when the electric energy that described solar cell 6 sends is enough to drive described first motor 41 and described second motor 51 operate and have more than needed simultaneously, described intelligent controller 9 exports index signal, by described solar cell 6 send electric energy flap portion be transformed to the alternating current meeting grid requirements, then feed-in electrical network; The second mode of operation: when the electric energy that described solar cell 6 sends is not enough to drive described first motor 41 and described second motor 51 to operate simultaneously, described intelligent controller 9 exports index signal, and described solar cell 6 and described power frequency supply 7 are powered for described first motor 41 and described second motor 51 jointly; The third mode of operation: when solar energy does not send electric energy, described intelligent controller 9 exports index signal, and described power frequency supply 7 is powered for described first motor 41 and described second motor 51 separately.Fewer time the electric energy sent due to described solar cell 6 can drive described first motor 41 and described second motor 51 just, therefore described cooling tower 100 is basic with above-mentioned three mode of operation.
Described energy-saving cooling tower 100 with described solar cell 6 to send electric energy be preferential power, with described power frequency supply 7, for auxiliary power drives, described blower fan 4 and described water pump 5 operate, and two kinds of electric energy flow to described first motor 41 and described second motor 51 by the management of described intelligent controller 9.
Be mainly used in carrying out speed regulating control to described first motor 41 and described second motor 51 to the control of load side, on the basis that cooling tower running state is analyzed, with the entirety minimum principle that consumes energy, Collaborative Control is carried out to described blower fan 4 and described water pump 5, thus realize the energy-saving run of described blower fan 4 and described water pump 5.
Described intelligent controller 9 runs according to the inflow temperature of cooling tower recirculated cooling water and cooling tower the frequency that Air Quantity Required controls to export electric energy, regulate the duty of described first motor 41 and blower fan 4, described second motor 51 and described water pump 5 with this, specifically comprise following step:
Step (21): pressure F and rotation speed of fan R in the tower that the flowmeter 83 of described sensor group 8, inflow temperature sensor 84, leaving water temperature sensors 85, pressure sensor 86 and speed probe 87 gather the flow Q of cooling tower recirculated cooling water, the inflow temperature t1s of cooling tower recirculated cooling water, the leaving water temperature t2s of cooling tower recirculated cooling water, cooling tower respectively, and give described intelligent controller 9 by gathered data;
Step (22): described intelligent controller 9 judges that whether the inflow temperature t1s of cooling tower recirculated cooling water is higher than inflow temperature setting value t10+ Δ t1;
When the inflow temperature t1s of cooling tower recirculated cooling water is higher than inflow temperature setting value t10+ Δ t1, then turn to step (23);
When the inflow temperature t1s of cooling tower recirculated cooling water is lower than inflow temperature setting value t10+ Δ t1, then turn to step (24);
Fluctuate between the scope t10+ Δ t1 allowed near inflow temperature setting value as the inflow temperature t1s of cooling tower recirculated cooling water and t10-Δ t1, then turn to step (25);
Step (23): then illustrate that the heat that thermic load end needs to distribute increases, the heat that specific discharge cooling tower recirculated cooling water carries increases;
The operating frequency that described intelligent controller 9 controls described first motor 41 increases, thus increases the rotating speed of described blower fan 4, accelerates the flowing of air in cooling tower, and then the exchange heat speed of cooling tower recirculated cooling water is accelerated;
The operating frequency of the second motor 51 described in described intelligent controller 9 increases, thus increases flow and the lift of described water pump 5, accelerates the circulating cooling speed of cooling tower recirculated cooling water, and then the inflow temperature t1s of cooling tower recirculated cooling water is reduced;
Step (24): then illustrate that the heat that thermic load end needs to distribute reduces, the heat that specific discharge cooling tower recirculated cooling water carries reduces;
The operating frequency that described intelligent controller 9 controls described first motor 41 reduces gradually, thus reduces the rotating speed of described blower fan 4, slows down the flowing velocity of air in cooling tower, and then the exchange heat speed of cooling tower recirculated cooling water is slowed down;
The operating frequency that described intelligent controller 9 controls described second motor 51 reduces gradually, thus reduce flow and the lift of described water pump 5, reduce the circulating cooling speed of cooling tower recirculated cooling water, the heat of cooling tower recirculated cooling water builds up, and then the inflow temperature t1s of cooling tower recirculated cooling water is raised gradually;
Step (25): then illustrate that the running status of current cooling tower meets the requirements, described intelligent controller 9 need not change the operating frequency of the first motor 41 and described second motor 51.
Step (26): described intelligent controller 9 carries out closed-loop control using utilizing the leaving water temperature t2s of cooling tower recirculated cooling water as feedback quantity, the error existing for operating frequency of described first motor 41 of further correction and described second motor 51, ensures that leaving water temperature maintains setting value.
The described energy-saving cooling tower 100 that the utility model provides has following beneficial effect:
One, solar cell 6 described in described cooling tower 100 surface mount, generating drives the described blower fan 4 of described cooling tower 100 and described water pump 5 to operate, and effectively can reduce the described blower fan 4 of described cooling tower 100 and described water pump 5 to the consumption of conventional electric energy.
Two, carry out cooperation control to described blower fan 4 and described water pump 5, the cooling performance of described cooling tower is not fully exerted utilization, realizes energy-saving run to the full extent.
Three, described transmission device adopts energy-saving belt or gear drive, reduces the energy loss of described cooling tower further.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (8)
1. an energy-saving cooling tower, it is characterized in that, comprise cooling tower body, solar cell, blower fan and water pump, described solar cell is covered in the outer wall of described cooling tower body, and be electrically connected with described blower fan and water pump respectively, described cooling tower body interior is located at by described blower fan, and described water pump is connected with described cooling tower body interior.
2. energy-saving cooling tower according to claim 1, it is characterized in that, described energy-saving cooling tower also comprises sensor group, intelligent controller and power frequency supply, and described intelligent controller is electrically connected with described sensor group, described solar panel, described power frequency supply, described blower fan and described water pump respectively.
3. energy-saving cooling tower according to claim 2, is characterized in that, described energy-saving cooling tower also comprises the air duct being located at described cooling tower bodies top and the water tank being located at described cooling tower body bottom portion.
4. energy-saving cooling tower according to claim 3, it is characterized in that, described sensor group comprises the first voltage sensor, the second voltage sensor, flowmeter, inflow temperature sensor, leaving water temperature sensors and speed probe, described first voltage sensor is connected with described solar cell, described second voltage sensor is connected with described power frequency supply, described flowmeter and described inflow temperature sensor are installed on described water pump, described leaving water temperature sensors is positioned at described water tank, and described speed probe is installed on described air duct.
5. energy-saving cooling tower according to claim 2, is characterized in that, described sensor group also comprises pressure sensor, and described pressure sensor is installed in described cooling tower body.
6. energy-saving cooling tower according to claim 2, is characterized in that, described blower fan and described water pump include the drive motors be connected electrically.
7. energy-saving cooling tower according to claim 6, is characterized in that, described drive motors is variable-frequency motor.
8. energy-saving cooling tower according to claim 6, is characterized in that, described intelligent controller is electrically connected with described drive motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520688722.0U CN205066496U (en) | 2015-09-07 | 2015-09-07 | Energy saving cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520688722.0U CN205066496U (en) | 2015-09-07 | 2015-09-07 | Energy saving cooling tower |
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| Publication Number | Publication Date |
|---|---|
| CN205066496U true CN205066496U (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520688722.0U Expired - Fee Related CN205066496U (en) | 2015-09-07 | 2015-09-07 | Energy saving cooling tower |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108036671A (en) * | 2017-12-29 | 2018-05-15 | 广州星辰热能股份有限公司 | A kind of energy-saving cooling tower |
-
2015
- 2015-09-07 CN CN201520688722.0U patent/CN205066496U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106121898B (en) * | 2016-07-04 | 2019-10-29 | 上海理工大学 | Recirculated cooling water hydraulic recovery energy conserving system based on intelligent electric source control |
| CN108036671A (en) * | 2017-12-29 | 2018-05-15 | 广州星辰热能股份有限公司 | A kind of energy-saving cooling tower |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20200907 |