CN105758235A - Hollow plate-type air cooling tower and control method thereof - Google Patents
Hollow plate-type air cooling tower and control method thereof Download PDFInfo
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- CN105758235A CN105758235A CN201610105939.3A CN201610105939A CN105758235A CN 105758235 A CN105758235 A CN 105758235A CN 201610105939 A CN201610105939 A CN 201610105939A CN 105758235 A CN105758235 A CN 105758235A
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- air
- cooling
- water
- temperature sensor
- outer loop
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0062—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by spaced plates with inserted elements
- F28D9/0068—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by spaced plates with inserted elements with means for changing flow direction of one heat exchange medium, e.g. using deflecting zones
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
- F28F27/003—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus specially adapted for cooling towers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
- F28F2250/10—Particular pattern of flow of the heat exchange media
- F28F2250/102—Particular pattern of flow of the heat exchange media with change of flow direction
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a hollow plate-type air cooling tower.The hollow plate-type air cooling tower comprises an external circulation flow channel with internal cooling water and a cooling unit which conducts heat exchange with the external circulation flow channel with internal cooling water; the cooling unit comprises an air multiplier, wherein the air multiplier is arranged below the external circulation flow channel with internal cooling water with the position where the central axis of the external circulation flow channel with internal cooling water is located as the center, multiple water flow branches in parallel connection are formed between a water outlet of an internal cooling system and a water inlet of the internal cooling system, and a wavelike air flow channel is formed between each water flow branch and the adjacent water flow branch; through mutual cooperation among a sampling unit, a control unit and an action execution unit in a corresponding control method, external air is introduced through the air multiplier and sent into the wavelike air flow channels extending from a water inlet pipe to a water outlet pipe, and heat exchange operation is completed.According to the hollow plate-type air cooling tower and the control method thereof, a structure and a corresponding method through which heat exchange operation is completed under the condition of being independent of water cooling, and the external cooling requirement is met are provided.
Description
Technical field
The invention belongs to the external condensation system of refrigerating field, be specifically related to a kind of board-like air cooling compressor of hollow and control method thereof.
Background technology
Direct current transmission converter valve cooling system is generally divided into inner cold water blood circulation and outer SAPMAC method system.Inner cold water, after completing the exchange of the heat with heater element, enters back into outer SAPMAC method system, carries out heat exchange with outer cold medium, is entered main water pipeline by circulating pump pressurization again after cooling.
Prior art be serpentine fin pipe for the circulation of outer SAPMAC method, whole heat dissipation pipeline only one of which outlet and a water inlet, it is impossible to be flexibly adapted to the demand of difference cooling capacity；Omnidistance only one of which runner, and the heat transfer coefficient of radiating tube own is relatively low, realizes heat exchange only by spray, outer cold water resource is used in the substantial amounts of cooling of demand, causes the waste of water resource, and does not adapt to the cooling response under hydropenia and water-less environment.And of the prior art cooling controls only to arrange one-level, gradient, it is impossible to more responsive to water and temperature Change, cause the wasting of resources.
Application number is the utility model application of " 201320691023.2 ", discloses a kind of name and is called straight-wavy valve cooling system cooling tower antisludging test device, carries out the step of electromagnetism scale removal including to shower water in cooling tower raw make up water and water-collecting tray.Also provide for antisludging test device, the internal circulation pump in internal recycle loop, cooling tower and water tank is connected into: cooling tower adopts the heat exchange coil of two groups of independences and two groups of spray loops including passing sequentially through pipeline, the substitution coil pipe parallel connection of two groups of independences accesses internal recycle loop, has one group to adopt on-the-spot cooling tower shower water to spray in two groups of spray loops.According to this technical scheme can detect analysis various cause dirt the factor impact on cooling tower fouling, its use or spraying technique.
Summary of the invention
For solving problem above, it is provided that a kind of complete heat exchange operation when being independent of water-cooled, meeting outer cold structure and correlation method thereof, the invention provides a kind of board-like air cooling compressor of hollow and control method thereof, its technical scheme is specific as follows:
A kind of board-like air cooling compressor of hollow, includes the outer loop runner of inner cold water and carries out the cooling unit of heat exchange with the outer loop runner of inner cold water, it is characterised in that:
Drawn an outlet conduit (1) by the outlet of inner cold system, the water inlet of inner cold system draw an inlet channel (2),
Described outlet conduit and the parallel longitudinal setting of inlet channel,
The current branch road (3) of multi-channel parallel it is formed with between described outlet conduit and inlet channel,
The current branch road of described outlet conduit, inlet channel and multi-channel parallel constitutes the outer loop runner (4) of inner cold water,
Ripple type air flow channel (5) is formed between described each current branch road；
The cooling unit that described and inner cold water outer loop runner carries out heat exchange includes centered by the position at the place, axis of the outer loop runner of inner cold water, is arranged at the air multiplier (6) below the outer loop runner of inner cold water,
Described inner cold water props up route outlet conduit by each current and flows to inlet channel,
Described air multiplier introduces outside air, and air is sent into the ripple type air flow channel extended to outlet conduit direction by inlet channel.
Further,
Described current prop up the dismountable many groups board-like water route of hollow (7) of route and are in series,
Often the group board-like water route of hollow is made up of the rustless steel hollow sheeting cross weld that four thickness is 0.6mm-1mm, and four rustless steel hollow sheetings after welding constitute serpentine flow path.
Further,
It is being evenly arranged with multiple fin with described rustless steel hollow sheeting plate,
The described V-shaped setting of each fin,
Axis along rustless steel hollow sheeting is equidistantly welded with 5-7 solder joint.
Further,
The cooling unit that described and inner cold water outer loop runner carries out heat exchange also includes the centrifugal fan (8) in parallel with air multiplier pipeline,
Described centrifugal fan is arranged at the outer loop runner place space longitudinal extension of inner cold water and the position of horizontal expansion.
Further,
The cooling unit that described and inner cold water outer loop runner carries out heat exchange also includes the atomizer passgae (9) being arranged at below air multiplier, is uniformly arranged the fog-spray nozzle of the stainless key guide vane of multiple interior edge on described atomizer passgae.
The control method of the board-like air cooling compressor of a kind of hollow, by having cooperated between sampling unit, control unit and action execution unit, it is characterised in that:
Described sampling unit includes: the first cooling-water temperature sensor (10) being arranged at inner cold water outlet, the second cooling-water temperature sensor (11) being arranged at inner cold water water inlet and be arranged at the external world temperature sensor (12),
Described control unit is PLC (13),
Described action execution unit includes air multiplier, centrifugal fan and atomizer passgae,
Described control method is completed in accordance with the following steps by above device:
Each temperature signal is sent to PLC corresponding signal receiving terminal by the channel each and between PLC by the S1: the first cooling-water temperature sensor, the second cooling-water temperature sensor and temperature sensor in real time；
S2: when PLC signal receiving end receives the temperature value T of the first cooling-water temperature sensor1When >=36 DEG C, issue enabled instruction to air multiplier actuating signal receiving terminal；Cooled external air is sucked cooling tower by the negative pressuren zone of air multiplier bottom, forms the vortex cooling air amplified on air multiplier top, and described cooling air is flowed to outlet conduit direction by inlet channel, carries out heat exchange with outer loop runner.
S3: when PLC signal receiving end receives the temperature value T of the second cooling-water temperature sensor2During ∈ [36 DEG C, 49 DEG C], or it is arranged at the temperature value of temperature sensor in the external world more than 35 DEG C, issues the enabled instruction of the frequency that adapts according to current temperature value to centrifugal fan actuating signal receiving terminal；Centrifugal fan rotates according to enabled instruction, is sent into by air multiplier by air, and described cooling air is flowed to outlet conduit direction by inlet channel, carries out heat exchange with outer loop runner.
S4: when PLC signal receiving end receives the temperature value T of the second cooling-water temperature sensor3When >=50 DEG C, issue enabled instruction to atomizer passgae actuating signal receiving terminal.
Further,
In step S3, when PLC signal receiving end receives the temperature value T of the second cooling-water temperature sensor2During ∈ [36 DEG C, 49 DEG C], time delay 1 point 30 seconds 2 points 30 seconds, issue enabled instruction to centrifugal fan actuating signal receiving terminal.
Further,
In step S3, when PLC signal receiving end receives the temperature value of temperature sensor being arranged at the external world more than 35 DEG C, issue the enabled instruction of the frequency that adapts according to current temperature value to centrifugal fan actuating signal receiving terminal；Centrifugal fan rotates according to enabled instruction, is sent into by air multiplier by air, and described cooling air is flowed to outlet conduit direction by inlet channel, carries out heat exchange with outer loop runner.
The board-like air cooling compressor of a kind of hollow of the present invention and control method thereof, first pass through structure and improve, design a kind of cooling structure being greatly lowered water dependency degree；Secondly in heat exchange, by structural design, water channel and air channel are directly realized by heat exchange, finally, the control process of heat exchange becomes three grades of gradient types to go forward one by one pattern further through corresponding device, apparatus assembly, meets the heat exchange demand of different water temperature and ambient temperature in a stepwise fashion.The board-like air cooling compressor of a kind of hollow of the present invention and control method thereof, provide and a kind of complete heat exchange operation when being independent of water-cooled, meet outer cold structure and correlation method thereof, and for guiding theory, control method is designed to three grades of gradient types with Optimum cost and goes forward one by one pattern, with the job requirements that low energy-consumption mode response is different.
Accompanying drawing explanation
Fig. 1 is the air cooling compressor structured flowchart of the present patent application；
Fig. 2 is a current branch structure block diagram in the present patent application；
Fig. 3 is the board-like waterway structure block diagram of a hollow in the present patent application；
Fig. 4 is the control method schematic flow sheet in the present patent application.
In figure, 1 is outlet conduit；2 is inlet channel；3 is current branch road；4 is outer loop runner；5 is ripple type air flow channel；6 is air multiplier；7 is the board-like water route of hollow；8 is centrifugal fan；9 is atomizer passgae；10 is the first cooling-water temperature sensor；11 is the second cooling-water temperature sensor；12 is temperature sensor；13 is PLC.
Detailed description of the invention
Below, it is further described in detail according to the specification drawings and specific embodiments board-like air cooling compressor of a kind of hollow to the present invention and control method thereof.
The board-like air cooling compressor of a kind of hollow as shown in Figure 1, include the outer loop runner of inner cold water and carry out the cooling unit of heat exchange with the outer loop runner of inner cold water, an outlet conduit 1 is drawn by the outlet of inner cold system, an inlet channel 2 is drawn by the water inlet of inner cold system, described outlet conduit and the parallel longitudinal setting of inlet channel, the current branch road 3 of multi-channel parallel it is formed with between described outlet conduit and inlet channel, described outlet conduit, the current branch road of inlet channel and multi-channel parallel constitutes the outer loop runner 4 of inner cold water, ripple type air flow channel 5 is formed between described each current branch road；The cooling unit that described and inner cold water outer loop runner carries out heat exchange includes centered by the position at the place, axis of the outer loop runner of inner cold water, is arranged at the air multiplier 6 below the outer loop runner of inner cold water, described inner cold water props up route outlet conduit by each current and flows to inlet channel, described air multiplier introduces outside air, and air is sent into the ripple type air flow channel extended to outlet conduit direction by inlet channel.
Wherein,
Described current prop up the dismountable many group board-like water routes 7 of hollow of route and are in series (as shown in Figure 2),
Often the group board-like water route of hollow is constituted (as it is shown on figure 3, the arrow in Fig. 3 represents water (flow) direction) by the rustless steel hollow sheeting cross weld that four thickness is 0.6mm-1mm, and four rustless steel hollow sheetings after welding constitute serpentine flow path.
Wherein,
It is being evenly arranged with multiple fin with described rustless steel hollow sheeting plate,
The described V-shaped setting of each fin,
Axis along rustless steel hollow sheeting is equidistantly welded with 5-7 solder joint.
Wherein,
The cooling unit that described and inner cold water outer loop runner carries out heat exchange also includes the centrifugal fan 8 in parallel with air multiplier pipeline,
Described centrifugal fan is arranged at the outer loop runner place space longitudinal extension of inner cold water and the position of horizontal expansion.
Wherein,
The cooling unit that described and inner cold water outer loop runner carries out heat exchange also includes the atomizer passgae 9 being arranged at below air multiplier, is uniformly arranged the fog-spray nozzle of the stainless key guide vane of multiple interior edge on described atomizer passgae.
The control method of the board-like air cooling compressor of a kind of hollow as shown in Figure 4, by having cooperated between sampling unit, control unit and action execution unit, it is characterised in that:
Described sampling unit includes: the first cooling-water temperature sensor (10) being arranged at inner cold water outlet, the second cooling-water temperature sensor (11) being arranged at inner cold water water inlet and be arranged at the external world temperature sensor (12),
Described control unit is PLC (13),
Described action execution unit includes air multiplier, centrifugal fan and atomizer passgae,
Described control method is completed in accordance with the following steps by above device:
Each temperature signal is sent to PLC corresponding signal receiving terminal by the channel each and between PLC by the S1: the first cooling-water temperature sensor, the second cooling-water temperature sensor and temperature sensor in real time；
S2: when PLC signal receiving end receives the temperature value T of the first cooling-water temperature sensor1When >=36 DEG C, issue enabled instruction to air multiplier actuating signal receiving terminal；Cooled external air is sucked cooling tower by the negative pressuren zone of air multiplier bottom, forms the vortex cooling air amplified on air multiplier top, and described cooling air is flowed to outlet conduit direction by inlet channel, carries out heat exchange with outer loop runner.
S3: when PLC signal receiving end receives the temperature value T of the second cooling-water temperature sensor2During ∈ [36 DEG C, 49 DEG C], or it is arranged at the temperature value of temperature sensor in the external world more than 35 DEG C, issues the enabled instruction of the frequency that adapts according to current temperature value to centrifugal fan actuating signal receiving terminal；Centrifugal fan rotates according to enabled instruction, is sent into by air multiplier by air, and described cooling air is flowed to outlet conduit direction by inlet channel, carries out heat exchange with outer loop runner.
S4: when PLC signal receiving end receives the temperature value T of the second cooling-water temperature sensor3When >=50 DEG C, issue enabled instruction to atomizer passgae actuating signal receiving terminal.
Wherein,
In step s3, when PLC signal receiving end receives the temperature value T of the second cooling-water temperature sensor2During ∈ [36 DEG C, 49 DEG C], time delay 1 point 30 seconds 2 points 30 seconds, issue enabled instruction to centrifugal fan actuating signal receiving terminal.
Wherein,
In step s3, when PLC signal receiving end receives the temperature value of temperature sensor being arranged at the external world more than 35 DEG C, issue the enabled instruction of the frequency that adapts according to current temperature value to centrifugal fan actuating signal receiving terminal；Centrifugal fan rotates according to enabled instruction, is sent into by air multiplier by air, and described cooling air is flowed to outlet conduit direction by inlet channel, carries out heat exchange with outer loop runner.
Embodiment
The order that the present embodiment controls according to the structure → cooling tower structure → cooling tower of outer loop runner is told about successively.
Described outer loop runner by multi-wad join between outlet conduit with inlet channel, current branch road in parallel constitutes, wherein, described current prop up the dismountable many group board-like water routes 7 of hollow of route and are in series, often the group board-like water route of hollow is made up of the rustless steel hollow sheeting cross weld that four thickness is 0.6mm-1mm, this thickness goes out from hydraulic pressure and conduction of heat two aspect comprehensive Design, it is possible to respond heat exchange well；Four rustless steel hollow sheetings after welding constitute serpentine flow path, and described serpentine flow path can increase runner duration, provide the sufficient time for heat exchange；Being evenly arranged with multiple fin with described rustless steel hollow sheeting plate, described fin is in order to increase the contact surface of heat exchange；The described V-shaped setting of each fin, each fin highlights rustless steel hollow sheeting plate body 4.9mm-5.1mm, and each spacing of fins is 9.9mm-10.1mm；Axis along rustless steel hollow sheeting is equidistantly welded with 5-7 solder joint, and described solder joint is in order to increase the holding capacity of rustless steel hollow sheeting.
Described cooling tower structure, first, makes improvements from the arrangement of the outer loop runner of inner cold water and structure, coil before being arranged, being modified into matrix form arranges, provides rational occasion for subsequent thermal exchange saving on the basis of space layout；
Secondly, the tubular element being previously formed coil is modified into the current branch road that independent hollow plates is in series, described hollow plates is compared to tubular element before, it is more conducive to hydrothermal exchange, wherein, described current branch road is arranged to S type, extends the stroke in air channel, increase the heat exchanging process time, be beneficial to sufficient heat exchange；
Again, wind regime is formed by air multiplier and centrifugal fan parallel connection, realize going forward one by one according to the order of sequence gradually of cooling capacity, when generally cooling down, close centrifugal fan, only enable air multiplier, reality water temperature or reality outdoor environment temperature is lagged behind at cooling capacity, the basis enable air multiplier enables centrifugal fan again, to increase driving force, meets the demand of cooling capacity；By arranging removable current branch road (namely current number of branches can according to practical situation respectively adaptation) in the present invention, the cooling of adaptation different capabilities flexibly can follow bad water, structure, realize the best fit on capacity；The present invention connects by board-like for hollow single channel water route is arranged to three bends the snakelike water route of three straight ways, in order to extend current by the time, provides enough swap times for cooling；Described air multiplier, centrifugal fan and atomizer passgae constitute three grades of gradient types and go forward one by one pattern, meet the heat exchange demand of different water temperature and ambient temperature in a stepwise fashion.
Described control method carries out according to following steps:
Each temperature signal is sent to PLC corresponding signal receiving terminal by the channel each and between PLC by the S1: the first cooling-water temperature sensor, the second cooling-water temperature sensor and temperature sensor in real time；
S2: when PLC signal receiving end receives the temperature value T of the first cooling-water temperature sensor1When >=36 DEG C, issue enabled instruction to air multiplier actuating signal receiving terminal；Cooled external air is sucked cooling tower by the negative pressuren zone of air multiplier bottom, forms the vortex cooling air amplified on air multiplier top, and described cooling air is flowed to outlet conduit direction by inlet channel, carries out heat exchange with outer loop runner.
S3: when PLC signal receiving end receives the temperature value T of the second cooling-water temperature sensor2During ∈ [36 DEG C, 49 DEG C], or it is arranged at the temperature value of temperature sensor in the external world more than 35 DEG C, issues the enabled instruction of the frequency that adapts according to current temperature value to centrifugal fan actuating signal receiving terminal；Centrifugal fan rotates according to enabled instruction, is sent into by air multiplier by air, and described cooling air is flowed to outlet conduit direction by inlet channel, carries out heat exchange with outer loop runner.
S4: when PLC signal receiving end receives the temperature value T of the second cooling-water temperature sensor3When >=50 DEG C, issue enabled instruction to atomizer passgae actuating signal receiving terminal.
Wherein, in step S3, when PLC signal receiving end receives the temperature value T of the second cooling-water temperature sensor2During ∈ [36 DEG C, 49 DEG C], time delay 1 point 30 seconds 2 points 30 seconds, issue enabled instruction to centrifugal fan actuating signal receiving terminal.
Wherein, in step S3, when PLC signal receiving end receives the temperature value of temperature sensor being arranged at the external world more than 35 DEG C, issue the enabled instruction of the frequency that adapts according to current temperature value to centrifugal fan actuating signal receiving terminal；Centrifugal fan rotates according to enabled instruction, is sent into by air multiplier by air, and described cooling air is flowed to outlet conduit direction by inlet channel, carries out heat exchange with outer loop runner.
The board-like air cooling compressor of a kind of hollow of the present invention and control method thereof, first pass through structure and improve, design a kind of cooling structure being greatly lowered water dependency degree；Secondly in heat exchange, by structural design, water channel and air channel are directly realized by heat exchange, finally, the control process of heat exchange becomes three grades of gradient types to go forward one by one pattern further through corresponding device, apparatus assembly, meets the heat exchange demand of different water temperature and ambient temperature in a stepwise fashion.The board-like air cooling compressor of a kind of hollow of the present invention and control method thereof, provide and a kind of complete heat exchange operation when being independent of water-cooled, meet outer cold structure and correlation method thereof, and for guiding theory, control method is designed to three grades of gradient types with Optimum cost and goes forward one by one pattern, with the job requirements that low energy-consumption mode response is different.
Claims (8)
1. the board-like air cooling compressor of hollow, includes the outer loop runner of inner cold water and carries out the cooling unit of heat exchange with the outer loop runner of inner cold water, it is characterised in that:
Drawn an outlet conduit (1) by the outlet of inner cold system, the water inlet of inner cold system draw an inlet channel (2),
Described outlet conduit and the parallel longitudinal setting of inlet channel,
The current branch road (3) of multi-channel parallel it is formed with between described outlet conduit and inlet channel,
The current branch road of described outlet conduit, inlet channel and multi-channel parallel constitutes the outer loop runner (4) of inner cold water,
Ripple type air flow channel (5) is formed between described each current branch road；
The cooling unit that described and inner cold water outer loop runner carries out heat exchange includes centered by the position at the place, axis of the outer loop runner of inner cold water, is arranged at the air multiplier (6) below the outer loop runner of inner cold water,
Described inner cold water props up route outlet conduit by each current and flows to inlet channel,
Described air multiplier introduces outside air, and air is sent into the ripple type air flow channel extended to outlet conduit direction by inlet channel.
2. a kind of board-like air cooling compressor of hollow according to claim 1, it is characterised in that:
Described current prop up the dismountable many groups board-like water route of hollow (7) of route and are in series,
Often the group board-like water route of hollow is made up of the rustless steel hollow sheeting cross weld that four thickness is 0.6mm-1mm, and four rustless steel hollow sheetings after welding constitute serpentine flow path.
3. a kind of board-like air cooling compressor of hollow according to claim 2, it is characterised in that:
It is being evenly arranged with multiple fin with described rustless steel hollow sheeting plate,
The described V-shaped setting of each fin,
Axis along rustless steel hollow sheeting is equidistantly welded with 5-7 solder joint.
4. a kind of board-like air cooling compressor of hollow according to claim 1, it is characterised in that:
The cooling unit that described and inner cold water outer loop runner carries out heat exchange also includes the centrifugal fan (8) in parallel with air multiplier pipeline,
Described centrifugal fan is arranged at the outer loop runner place space longitudinal extension of inner cold water and the position of horizontal expansion.
5. a kind of board-like air cooling compressor of hollow according to claim 1, it is characterised in that:
The cooling unit that described and inner cold water outer loop runner carries out heat exchange also includes the atomizer passgae (9) being arranged at below air multiplier, is uniformly arranged the fog-spray nozzle of the stainless key guide vane of multiple interior edge on described atomizer passgae.
6. a control method for the board-like air cooling compressor of hollow, by having cooperated between sampling unit, control unit and action execution unit, it is characterised in that:
Described sampling unit includes: the first cooling-water temperature sensor (10) being arranged at inner cold water outlet, the second cooling-water temperature sensor (11) being arranged at inner cold water water inlet and be arranged at the external world temperature sensor (12),
Described control unit is PLC (13),
Described action execution unit includes air multiplier, centrifugal fan and atomizer passgae,
Described control method is completed in accordance with the following steps by above device:
Each temperature signal is sent to PLC corresponding signal receiving terminal by the channel each and between PLC by the S1: the first cooling-water temperature sensor, the second cooling-water temperature sensor and temperature sensor in real time；
S2: when PLC signal receiving end receives the temperature value T of the first cooling-water temperature sensor1When >=36 DEG C, issue enabled instruction to air multiplier actuating signal receiving terminal；Cooled external air is sucked cooling tower by the negative pressuren zone of air multiplier bottom, forms the vortex cooling air amplified on air multiplier top, and described cooling air is flowed to outlet conduit direction by inlet channel, carries out heat exchange with outer loop runner.
S3: when PLC signal receiving end receives the temperature value T of the second cooling-water temperature sensor2During ∈ [36 DEG C, 49 DEG C], or it is arranged at the temperature value of temperature sensor in the external world more than 35 DEG C, issues the enabled instruction of the frequency that adapts according to current temperature value to centrifugal fan actuating signal receiving terminal；Centrifugal fan rotates according to enabled instruction, is sent into by air multiplier by air, and described cooling air is flowed to outlet conduit direction by inlet channel, carries out heat exchange with outer loop runner.
S4: when PLC signal receiving end receives the temperature value T of the second cooling-water temperature sensor3When >=50 DEG C, issue enabled instruction to atomizer passgae actuating signal receiving terminal.
7. the control method of the board-like air cooling compressor of a kind of hollow according to claim 6, it is characterised in that:
In step S3, when PLC signal receiving end receives the temperature value T of the second cooling-water temperature sensor2During ∈ [36 DEG C, 49 DEG C], time delay 1 point 30 seconds 2 points 30 seconds, issue enabled instruction to centrifugal fan actuating signal receiving terminal.
8. the control method of the board-like air cooling compressor of a kind of hollow according to claim 6, it is characterised in that:
In step S3, when PLC signal receiving end receives the temperature value of temperature sensor being arranged at the external world more than 35 DEG C, issue the enabled instruction of the frequency that adapts according to current temperature value to centrifugal fan actuating signal receiving terminal；Centrifugal fan rotates according to enabled instruction, is sent into by air multiplier by air, and described cooling air is flowed to outlet conduit direction by inlet channel, carries out heat exchange with outer loop runner.
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| CN203811026U (en) * | 2014-05-08 | 2014-09-03 | 国家电网公司 | Novel water baffle for cooling tower |
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