CN105240970B - A kind of ocean chilled water central cooling system and central cooling method with auxiliary cold source - Google Patents
A kind of ocean chilled water central cooling system and central cooling method with auxiliary cold source Download PDFInfo
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- CN105240970B CN105240970B CN201510660051.1A CN201510660051A CN105240970B CN 105240970 B CN105240970 B CN 105240970B CN 201510660051 A CN201510660051 A CN 201510660051A CN 105240970 B CN105240970 B CN 105240970B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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Abstract
The present invention relates to a kind of ocean chilled water central cooling system and central cooling method with auxiliary cold source.It is high there is presently no energy utilization rate, such significant system and method for effects of energy saving and emission reduction.The system of the present invention includes water module, the sebific duct with steel ring and cold extraction module, its main feature is that：The water module includes sea water pump, seawater corrosion prevention pipeline, tank overflow, adjusting water pot, water tank pump, transfer pipeline, water regulating valve and water tank pump frequency conversion device, and water module is connected by band steel ring with cold extraction module.The step of method in the present embodiment is：Low temperature seawater is transported to adjusting water pot by sea water pump by seawater corrosion prevention pipeline, orientation is pumped by water tank and is transported to cold extraction module, low temperature seawater enters preposition heat exchanger by the sebific duct with steel ring and carries out heat exchange, and coil pipe clear water backwater is changed into 7~12 DEG C of clear water and flows out preposition heat exchanger.The present invention's operates steadily, and energy utilization rate is high, using flexible, and effects of energy saving and emission reduction is notable.
Description
Technical field
The present invention relates to a kind of ocean chilled water central cooling system and central cooling method, more particularly, to one kind with auxiliary
Help the ocean chilled water central cooling system and central cooling method of low-temperature receiver.
Background technology
Contain huge low-temperature receiver in marine resources, such as just contained low-temperature receiver in Huanghai Cold Water Mass, Huanghai Cold Water Mass is
Winter Huanghai Sea water is formed on top layer by cooling effect and after sinking, therefore temperature is very low, and central temperature only has 5-8 DEG C, from
Spring starts sea and gradually heats, and epilimnion occurs in 5-7m depths, makes the heat exchange between surface seawater and bottom seawater
Obstructed, be effectively guaranteed the influence that lower floor's cold water heats from upper strata, to summer, surface temperature at 28 DEG C or so,
Middle and bottom layers temperature but only has 6 DEG C, and the table bottom temperature difference is up to 22 DEG C, according to historic survey and data statistics, 8 DEG C of thermoisopleth area coverages
About 5.5 ten thousand km2, 10 DEG C of thermoisopleth area coverages are about 14.3 ten thousand km2, 12 DEG C of thermoisopleth area coverages are about 22.6 ten thousand km2,
Volume shared by Huanghai Cold Water Mass is about 5 × 1012m3, calculated with △ T=20 DEG C, contain 4 × 1020J of heat, its calorie value is suitable
In 1.37 × 1010 tons of standard coals or 5.33 × 1012m3Natural gas.Therefore, the comprehensive utilization of Yellow Sea in summer cold water mass, is expected to
Marine field in " energy-saving and emission-reduction " national strategy plays a significant role, it can be seen that, if it is possible to it will contain in marine resources
Low-temperature receiver developed and utilized, will greatly be conducive to energy-saving and emission-reduction.
Also there are some to utilize technologies of low-temperature receiver in ocean now, if publication date is on May 16th, 2007, Publication No.
In the Chinese patent of CN1963320, the construction area air-conditioning system that a kind of ocean cooling running water makees refrigerant, the ocean are disclosed
Cooling running water make refrigerant construction area air-conditioning system include seawater filter, the pipeline that draws water, flow sensor, shut-off valve,
Seawater centrifugal multistage pump multiple centrifugal pump, triple valve, rapid filter, flocculation basin, secondary rapid filter, underground sea water storehouse, sea water pump, plate heat exchanger,
Water-delivery pump, underground cold water storehouse, distribution pump, air cooling processor, clear water tanks, butterfly valve and return duct, will pass through rapid filter, flocculation
Mare Frigoris water after pond, the processing of secondary rapid filter exchanges heat in plate heat exchanger with tap water, is using the original underground pipe network of municipal administration
Tap water conveyance conduit, makes it play water delivery, defeated cold dual-use function, makes full use of the cold of subsurface sea water, it is not necessary to consume again
Electric energy is to maintain the low-temperature receiver of air-conditioning system, and for saving electrical expenses, still, which makees the building area of refrigerant
The structure design of domain air-conditioning system is not reasonable, it is necessary to consume tap water.And for example publication date is on 03 27th, 2013, publication number
In the Chinese patent of CN102997493A, to disclose a kind of large-scale comprehensive utilization system of Huanghai cold water mass, the Huanghai Sea cold water
Group's scale utilization system is made including Huanghai Cold Water Mass to be extracted to the control unit of drawing water to more than sea level as cooling
The fresh water circulatory system of cool equipment, the heat exchange unit that seawater and freshwater is exchanged heat, and accept the seawater after heat exchange
Cultivate unit；Heat exchange unit via sea-water heat-pump controller to cultivation unit transportation seawater, via fresh water heat pump controller to
The fresh water circulatory system conveys the fresh water after heat exchange, and by the control technology of drawing water of low cost, what the energy zero expended advises greatly
The combination of mould hot swapping and water source heat pump technology, has achieveed the purpose that summer concentrates scale cooling for city, but should
Large-scale comprehensive utilization system of Huanghai cold water mass provides a design, does not disclose concrete structure.
In conclusion there is presently no reasonable in design, operate steadily, energy utilization rate is high, and effects of energy saving and emission reduction is shown
The ocean chilled water central cooling system and central cooling method with auxiliary cold source write.
The content of the invention
It is an object of the invention to overcome above-mentioned deficiency existing in the prior art, and offer is a kind of reasonable in design,
Operate steadily, energy utilization rate is high, using flexible, and significantly the ocean chilled water with auxiliary cold source concentrates confession to effects of energy saving and emission reduction
Cooling system and central cooling method.
Technical solution is used by the present invention solves the above problems：The ocean chilled water central cooling with auxiliary cold source
System includes water module, the sebific duct with steel ring and cold extraction module, its design feature is：The water module includes sea
Water pump, seawater corrosion prevention pipeline, tank overflow, adjusting water pot, water filter, check valve, water pressure table, water tank pump, delivery pipe
Road, water regulating valve and water tank pump frequency conversion device, the top for adjusting water pot are provided with the irrigating gate for moisturizing, the seawater
One end of anti-corrosion pipeline is connected with sea water pump, and the other end of the seawater corrosion prevention pipeline is connected with water pot is adjusted, the water pot overflow
Pipe connect with water pot is adjusted, and one end of the transfer pipeline is connected with adjusting water pot, the other end of the transfer pipeline and sebific duct
One end connects, and the water filter, check valve, water pressure table, water tank pump and water regulating valve are installed on transfer pipeline, institute
State water tank pump frequency conversion device and water tank pump connection；The cold extraction module includes aqueduct, preposition heat exchanger, outlet pipe
Road, No. two solenoid valves, spare air-conditioner set, water return pipeline, No. three solenoid valves, seawater electromagnetic flowmeter, wind disk return pipe, clear water
Pump, exhaust pipe, air bleeding valve, freezing outlet pipe, No. seven solenoid valves, No. five solenoid valves, freezing water inlet pipe, No. four solenoid valves, clear water
Electromagnetic flowmeter, No.1 bypass, No. eight solenoid valves, No. two bypasses and No. six solenoid valves, the spare air-conditioner set include casing
Condenser, filter, plate-type evaporator, gas-liquid separator and compressor, described sleeve pipe condenser are connected by pipeline and filter
Connecing, the filter is connected by pipeline with plate-type evaporator, and the plate-type evaporator is connected by pipeline with gas-liquid separator,
The gas-liquid separator is connected by pipeline with compressor, and the compressor is connected by pipeline with double-pipe condenser；It is described defeated
One end of waterpipe is connected with preposition heat exchanger, and the other end of the aqueduct is connected with the other end of sebific duct, the water outlet
One end of pipeline is connected with preposition heat exchanger, and the other end of the outlet conduit is connected with double-pipe condenser, No. two electromagnetism
Valve is installed on outlet conduit, and one end of the water return pipeline is connected with double-pipe condenser, No. three solenoid valves and the seawater electricity
Magnetic flowmeter is installed on water return pipeline, and one end of the wind disk return pipe is connected with preposition heat exchanger, the wind disk backwater
The other end of pipe is connected with user terminal, and the clarified water pump is installed on wind disk return pipe, and one end of the exhaust pipe is connected to wind
On disk return pipe, the air bleeding valve is installed on exhaust pipe, and one end of the freezing outlet pipe is connected with preposition heat exchanger, should
The other end of freezing outlet pipe is connected with plate-type evaporator, and No. seven solenoid valves and No. five solenoid valves are installed in freezing water outlet
Guan Shang, one end of the freezing water inlet pipe are connected with plate-type evaporator, and the other end of the freezing water inlet pipe is connected with user terminal, institute
State No. four solenoid valves and clear water electromagnetic flowmeter is installed on freezing water inlet pipe, one end of the No.1 bypass is connected to wind disk
On return pipe, the other end of No.1 bypass is connected on freezing outlet pipe, and No. eight solenoid valves are installed in No.1 bypass,
One end of No. two bypasses is connected on freezing outlet pipe, and the other end of this No. two bypasses is connected on freezing water inlet pipe, institute
No. six solenoid valves are stated in No. two bypasses.
Preferably, chilled water central cooling system in ocean of the present invention further includes precious culturing marine products field and backwater
Pipeline is drawn, the other end of the water return pipeline is connected with precious culturing marine products field, and the backwater draws pipeline and preciousness sea
Product cultivating field connects.
Preferably, chilled water central cooling system in ocean of the present invention further includes water tank and filling pipe, the moisturizing
One end of pipe is connected with water tank, and the other end of the filling pipe is connected with wind disk return pipe.
Preferably, cold extraction module of the present invention further includes No.1 water flow switch and No. two water flow switches, it is described
No.1 water flow switch is installed on water return pipeline, and No. two water flow switches are installed on freezing water inlet pipe.
Preferably, in cold extraction module of the present invention, one end of the freezing outlet pipe, No. seven solenoid valves, one
Number bypass the other end, No. two bypass one end, No. five solenoid valves and freeze outlet pipe the other end along freezing outlet pipe successively
Arrangement, described freezing one end of water inlet pipe, No. four solenoid valves, the other ends of No. two bypasses and clear water electromagnetic flowmeter along freeze into
Water pipe is arranged in order.
Preferably, the No.1 survey for going out temperature for measuring preposition heat exchanger seawater is provided with outlet conduit of the present invention
Warm spot, is provided with the aqueduct for measuring preposition heat exchanger seawater into No. two temperature measuring points of temperature, the freezing water outlet
No. three temperature measuring points for measuring preposition heat exchanger Graceful temperature are provided with pipe, are provided with the wind disk return pipe for surveying
Preposition heat exchanger clear water is measured to be provided with water inlet pipe for measuring plate-type evaporator clear water into No. four temperature measuring points of temperature, described freeze
Go out No. five temperature measuring points of temperature, be provided with the freezing outlet pipe for measuring plate-type evaporator clear water into No. six thermometrics of temperature
Point, is provided with No. seven temperature measuring points for going out temperature for measuring double-pipe condenser seawater on the water return pipeline, on the outlet conduit
It is provided with and is provided with for measuring double-pipe condenser seawater into No. eight temperature measuring points of temperature, described freeze on water inlet pipe for measuring pressure
No. nine temperature measuring points of contracting machine start and stop temperature.
Preferably, be mounted on the exhaust copper pipe and return-air copper pipe of compressor of the present invention high voltage protective switch,
Low-voltage protective switch, pressure gauge monitoring instrument and needle-valve maintenance interface.
Preferably, cold extraction module of the present invention further includes drainpipe, one end of the drainpipe is connected to out
On waterpipe.
Preferably, spare air-conditioner set of the present invention further includes flow controller, the flow controller be installed on filter and
On pipeline between plate-type evaporator.
Preferably, double-pipe condenser of the present invention is coaxial sleeve condenser.
A kind of central cooling method using the ocean chilled water central cooling system with auxiliary cold source, its feature
It is：The step of central cooling method is：No. six solenoid valves are opened, No. four solenoid valves, No. five solenoid valves and No. eight electromagnetism
Valve is closed, and low temperature seawater is transported to adjusting water pot by sea water pump by seawater corrosion prevention pipeline, is transported to by water tank pump orientation cold
Extraction module is measured, water regulating valve is serially connected in transfer pipeline, and seawater flow is set as 3.2m by water regulating valve3/h；It is low
Warm seawater enters preposition heat exchanger by the sebific duct with steel ring, and the clear water backwater with 12~16 DEG C in user terminal carries out refluent heat
After exchange, ocean temperature brings up to 12 DEG C and flows out preposition heat exchanger, enters back into double-pipe condenser and participates in spare air-conditioner set
Heat exchange, temperature gets a promotion after the heat in Absorption by Sea Water double-pipe condenser, and at this time the temperature of seawater is 12~16
℃；The freezing clear water temperature that user terminal produces enters cold extraction module at 12~16 DEG C, and by wind disk return pipe, and 12~16
DEG C coil pipe clear water backwater enter preposition heat exchanger and low temperature seawater and carry out heat exchange, before being changed into 7~12 DEG C of clear water and outflow
Heat exchanger is put, when putting the temperature of clear water of heat exchanger outflow in the past more than 12 DEG C, spare air-conditioner set starts, No. six solenoid valves
Close, No. four solenoid valves, No. five solenoid valves and No. eight solenoid valves are opened, at this time clear water flow direction to be other by preposition heat exchanger,
And entering plate-type evaporator, spare air-conditioner set starts electricity refrigeration, until the clear water temperature before user terminal is entered drops to 7
DEG C when, spare air-conditioner set is shut down, and No. six solenoid valves are opened, and No. four solenoid valves, No. five solenoid valves and No. eight solenoid valves are closed, such as
This circulation.
Compared with prior art, the present invention haing the following advantages and effect：Simple in structure, design is reasonable, stable, property
Can be reliable, using flexible, is conducive to energy-saving and emission-reduction.Summer can extract the low of natural cooling source in selected Huanghai Cold Water Mass dry point
Warm seawater, is delivered to the preposition heat exchanger of seawater through sea water pump and seawater pipeline, displaces cold and give refrigerating medium（Clear water）, directly
Connect and be supplied to building to be used for air-conditioning.Due to being the free low-temperature receiver of nature, efficiency is high, only expends the work(of seawater and sea water pump
Rate.Spare air-conditioner set is in stand-by state under normal duty working condition, does not run, only when the heat in building is born
When lotus has extreme variation, natural cooling source just starts in the case of cannot meeting, and puts into operation, at this time, into the preposition heat of seawater
The low temperature seawater of exchanger displaces cold and gives refrigerating medium（Clear water）Afterwards, refrigerating medium enters back into the casing of spare air-conditioner set
Discharged after condenser.The refrigerating medium displaced through preposition heat exchanger（Clear water）, first pass through the board-like steaming of spare air-conditioner set
Device is sent out, building is entered back into and is used to freeze, to meet the needs of client's air-conditioning.
The present invention is used by from low temperature seawater is extracted in the sea, direct replaceing clear water chilled water to meet that user is freezed
Requirement.Backup air conditioning system is disposed at the same time, backup air conditioning system participates in operation when thermic load changes.Normal seawater
When being run under operating mode, spare unit is without starting, the more conventional air-conditioning system of efficiency and the energy saving 50%-60% of seawater source heat pump system,
Heat exchanger effectiveness is higher than 75%.
Brief description of the drawings
Fig. 1 is the structure diagram of the ocean chilled water central cooling system with auxiliary cold source in the embodiment of the present invention.
Fig. 2 is the amplified structure diagram of water module in the embodiment of the present invention.
Fig. 3 is the amplified structure diagram of cold extraction module in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawings and the present invention is described in further detail by embodiment, and following embodiments are to this hair
Bright explanation and the invention is not limited in following embodiments.
Embodiment.
Referring to Fig. 1 to Fig. 3, the ocean chilled water central cooling system with auxiliary cold source includes water module in the present embodiment
Ith, the sebific duct 12 with steel ring, cold extraction module II, precious culturing marine products field 24, backwater are drawn pipeline 29, water tank 25 and are mended
Water pipe 41.
Water module I in the present embodiment include sea water pump 1, seawater corrosion prevention pipeline 2, tank overflow 3, adjust water pot 4,
Water filter 5, check valve 6, water pressure table 7, water tank pump 9, transfer pipeline 10, water regulating valve 11 and water tank pump frequency conversion device 30,
The top of adjusting water pot 4 is provided with the irrigating gate 8 for moisturizing, and one end of seawater corrosion prevention pipeline 2 and sea water pump 1 connect, the sea
The other end of water anti-corrosion pipeline 2 is connected with the top for adjusting water pot 4, and one end of tank overflow 3 and the top of adjusting water pot 4 connect
Connect, one end of transfer pipeline 10 and adjusting water pot 4 connect, and the other end of the transfer pipeline 10 is connected with one end of sebific duct 12, water
Filter 5, check valve 6, water pressure table 7, water tank pump 9 and water regulating valve 11 are installed on transfer pipeline 10, transfer pipeline
10 one end, water filter 5, check valve 6, water pressure table 7, water tank pump 9, the other end of water regulating valve 11 and transfer pipeline 10
It is arranged in order along transfer pipeline 10,9 connection of water tank pump frequency conversion device 30 and water tank pump, water tank pump frequency conversion device 30 carries out water tank pump 9
Frequency conversion is to control water size.
Cold extraction module II in the present embodiment includes aqueduct 88, preposition heat exchanger 13, outlet conduit 86, two
Number solenoid valve 92, spare air-conditioner set, water return pipeline 87, No. three solenoid valves 93, seawater electromagnetic flowmeter 23, No.1 water flow switches
89th, wind disk return pipe 81, clarified water pump 15, exhaust pipe 16, air bleeding valve 99, the freezing electromagnetism of solenoid valve 97, five of outlet pipe 82, seven
Valve 95, the freezing water flow switch 26, four of water inlet pipe 83, two solenoid valve 94, clear water electromagnetic flowmeter 14, No.1 bypass 84, eight
98, No. two 85, No. six solenoid valves 96 of bypass of number solenoid valve and drainpipe 31, wherein, double-pipe condenser 19 is coaxial sleeve condensation
Device.
Spare air-conditioner set in the present embodiment includes double-pipe condenser 19, filter 21, plate-type evaporator 17, gas-liquid point
From device 20, compressor 18 and flow controller 22, double-pipe condenser 19 is connected by pipeline and filter 21, and filter 21 passes through pipeline
Connected with plate-type evaporator 17, plate-type evaporator 17 is connected by pipeline and gas-liquid separator 20, and gas-liquid separator 20 passes through pipe
Road and compressor 18 connect, and compressor 18 is connected by pipeline and double-pipe condenser 19, and flow controller 22 is installed on 21 He of filter
On pipeline between plate-type evaporator 17.High voltage protective is usually mounted on the exhaust copper pipe and return-air copper pipe of compressor 18 to open
Pass, low-voltage protective switch, pressure gauge monitoring instrument and needle-valve maintenance interface.Compressor 18 is inputted by electric energy, to drive spare sky
Adjust the phase transformation of heat transferring medium in unit freon pipe-line system.The composition of spare air-conditioner set can use the machine in national regulations
Set type.
One end of aqueduct 88 in the present embodiment and preposition heat exchanger 13 connect, the other end of the aqueduct 88
Connected with the other end of sebific duct 12, one end of outlet conduit 86 and preposition heat exchanger 13 connect, the outlet conduit 86 it is another
End and double-pipe condenser 19 connect, and No. two solenoid valves 92 are installed on outlet conduit 86, and one end of water return pipeline 87 and casing are cold
Condenser 19 connects, and No. three solenoid valves 93 and seawater electromagnetic flowmeter 23 are installed on water return pipeline 87.
One end of wind disk return pipe 81 in the present embodiment and preposition heat exchanger 13 connect, the wind disk return pipe 81 it is another
One end and user terminal 28 connect, and clarified water pump 15 is installed on wind disk return pipe 81, and one end of exhaust pipe 16 is connected to wind disk backwater
On pipe 81, air bleeding valve 99 installs the one end for freezing outlet pipe 82 on the exhaust pipe 16 and preposition heat exchanger 13 connects, the freezing
The other end and plate-type evaporator 17 of outlet pipe 82 connect, and No. seven solenoid valves 97 and No. five solenoid valves 95 are installed in freezing water outlet
On pipe 82.
One end of freezing water inlet pipe 83 in the present embodiment and plate-type evaporator 17 connect, the freezing water inlet pipe 83 it is another
End and user terminal 28 connect, and No. four solenoid valves 94 and clear water electromagnetic flowmeter 14 are installed on freezing water inlet pipe 83, by No.1
The one end on road 84 is connected on wind disk return pipe 81, and the other end of No.1 bypass 84 is connected on freezing outlet pipe 82, No. eight
Solenoid valve 98 is installed in No.1 bypass 84, and one end of No. two bypasses 85 is connected on freezing outlet pipe 82, this No. two bypasses 85
The other end be connected on freezing water inlet pipe 83, No. six solenoid valves 96 are installed in No. two bypasses 85.
No.1 water flow switch 89 in the present embodiment is installed on water return pipeline 87, and No. two water flow switches 26 are installed on freezing
On water inlet pipe 83, one end of drainpipe 31 is connected on outlet conduit 86.
One end of freezing outlet pipe 82, No. seven solenoid valves 97, the other end of No.1 bypass 84, No. two bypasses in the present embodiment
The other end of 85 one end, No. five solenoid valves 95 and freezing outlet pipe 82 is arranged in order along freezing outlet pipe 82, freezes water inlet pipe
83 one end, the other ends of 94, No. two bypasses 85 of No. four solenoid valves and clear water electromagnetic flowmeter 14 along freezing water inlet pipe 83 successively
Arrangement.
The other end of water return pipeline 87 and precious culturing marine products field 24 connect in the present embodiment, and backwater draws 29 He of pipeline
Precious culturing marine products field 24 connects.One end of filling pipe 41 and water tank 25 connect, and the other end and wind disk of the filling pipe 41 return
Water pipe 81 connects.
The No.1 temperature measuring point for going out temperature for measuring preposition heat exchanger seawater is provided with outlet conduit 86 in the present embodiment
T1, is provided with aqueduct 88 for measuring preposition heat exchanger seawater into No. two temperature measuring point T2 of temperature, freezes on outlet pipe 82
No. three temperature measuring point T3 for measuring preposition heat exchanger Graceful temperature are provided with, before being provided with wind disk return pipe 81 for measuring
Heat exchanger clear water is put into No. four temperature measuring point T4 of temperature, freezes and is provided with water inlet pipe 83 for measuring plate-type evaporator Graceful temperature
No. five temperature measuring point T5, freeze outlet pipe 82 on be provided with for measure plate-type evaporator clear water into temperature No. six temperature measuring point T6,
No. seven temperature measuring point T7 for going out temperature for measuring double-pipe condenser seawater are provided with water return pipeline 87, are provided with outlet conduit 86
For measuring double-pipe condenser seawater into No. eight temperature measuring point T8 of temperature, freeze to be provided with water inlet pipe 83 and opened for measuring compressor
Stop No. nine temperature measuring point T9 of temperature.
The step of central cooling method of the ocean chilled water central cooling system with auxiliary cold source is used in the present embodiment
It is as follows.
No. six solenoid valves 96 are opened, and 94, No. five solenoid valves 95 of No. four solenoid valves and No. eight solenoid valves 98 are closed, sea water pump 1
Low temperature seawater is transported to by seawater corrosion prevention pipeline 2 and adjusts water pot 4, the temperature of low temperature seawater can be with as low as 6 DEG C, such as in summer
4~October, 30 meters or so of Huanghai Sea specific region depth there is 6~14 DEG C of low temperature cold water body, and seawater corrosion prevention pipeline 2 has anti-
The only function of seawater corrosion, the top for adjusting water pot 4 are provided with for limiting internal system water level and stablizing the water of hydraulic pressure effect
Tank overflow pipe 3, the top for adjusting water pot 4 are provided with the irrigating gate 8 with moisturizing effects, by water tank pump 9 in seawaterline system
Low temperature seawater orientation is transported to cold extraction module II in system.Transfer pipeline 10 uses stainless steel tube, and water regulating valve 11 is gone here and there
It is connected in transfer pipeline 10, there is Maintenance and Repair system, the seawater flow by 11 initialization system of water regulating valve is
3.2m3/ h, water tank pump 9 can carry out frequency control water by water tank pump frequency conversion device 30, and water module I passes through the sebific duct with steel ring
12 dock with cold extraction module II.
As low as 6 DEG C of the temperature of low temperature seawater, low temperature seawater enter preposition heat exchanger 13 by the sebific duct 12 with steel ring, with
After 12~16 DEG C of the clear water backwater produced in the air-conditioning at the thermic load end of user terminal 28 carries out countercurrent heat exchange, ocean temperature carries
High to the 12 DEG C preposition heat exchangers 13 of outflow, enter back into the heat exchange that double-pipe condenser 19 participates in spare air-conditioner set, are covering
19 port of export of pipework condensation device is provided with No.1 water flow switch 89, electromagnetic flowmeter 23 and No. three solenoid valves 93, plays monitoring stream
The effect of amount and protection unit safety operation.The heat of high temperature and high pressure gaseous refrigerant R22 in Absorption by Sea Water double-pipe condenser 19
Temperature gets a promotion after amount, and the temperature of seawater is good precious culturing marine products probably in 12~16 DEG C of scope at this time
These 12~16 DEG C seawater are transported to precious culturing marine products field 24 by water return pipeline 87 and are supported for aquatic products by ocean temperature
Grow, drawing pipeline 29 by backwater again after utilization flows back to sea.
In clear water freezing water route, the freezing clear water temperature after thermic load temperature rise is absorbed from the user terminal 28 of fan coil and is existed
12~16 DEG C, these 12~16 DEG C clear water enter cold extraction module II by wind disk return pipe 81, in cold extraction module
II clear water backwater section is provided with exhaust pipe 16 and air bleeding valve 99, and the air in water system, water tank are excluded during for running first
25 are poured water by pipe break valve a little pours into clear water pipeline system by clear water, and 12~16 DEG C of coil pipe clear water backwater enters preceding displacement
Hot device 13 carries out heat exchange with low temperature seawater, and 12~16 DEG C of clear water is changed into 7~12 DEG C of clear water and flows out preposition heat exchanger 13,
Terminal temperature difference can reach 1 DEG C after setting exchanges, i.e., it is most ideal value that can displace 7 DEG C of clear water into 6 DEG C of seawater, clearly
Water can require whether automatic identification flows into preposition heat exchanger 13 and plate-type evaporator 17 according to temperature control logic, be pressed for measuring
No. nine temperature measuring point T9 of contracting machine start and stop temperature are spare air-conditioner set start/stop of compressor temperature control point, spare air-conditioner set compression
The start and stop temperature of machine can be may be set to the spare air-conditioner set when temperature is more than 12 DEG C and started by user's sets itself, No. six
Solenoid valve 96 is closed, and No. four solenoid valves 94 and No. five solenoid valves 95 are opened, and No. eight solenoid valves 98 are opened, and clear water pipeline flows at this time
It is side by preposition heat exchanger 13, i.e., preposition heat exchanger 13 is bypassed, be directly entered plate-type evaporator 17, spare sky
Unit starting electricity refrigeration is adjusted, until when the clear water temperature before entering user terminal 28 drops to 7 DEG C, spare air-conditioner set stops
Machine, No. six solenoid valves 96 are opened, and No. four solenoid valves 94 and No. five solenoid valves 95 are closed, and No. eight solenoid valves 98 are closed, so circulation,
When low temperature seawater temperature can displace the cold clear water that can meet temperature in use requirement all the time, such as it is used to measure start/stop of compressor temperature
Temperature at No. nine temperature measuring point T9 of degree is below 12 DEG C, and spare air-conditioner set can not have to start all the time, certainly, as needed
Temperature can also be raised in the number range below 16 DEG C.Clear water electromagnetic flowmeter 14 is used to measuring and monitoring clear water
The water flow of pipeline.
The master control of the central cooling method of the ocean chilled water central cooling system with auxiliary cold source is used in the present embodiment
Logic processed presses the progress of noodles part.
(1), freeze when under the rated load of user terminal 28, directly using 6 DEG C of seabed low temperature seawater displace 7 DEG C~
The method of operation that 12 DEG C of low temperature clarified water pump access customer end 28 is freezed.At this time, 92, No. three solenoid valves 93 of No. two solenoid valves,
No. six solenoid valves 96 and No. seven solenoid valves 97 are opened；94, No. five solenoid valves 95 of No. four solenoid valves and No. eight solenoid valves 98 are closed；Sea
Water pump 1 and clarified water pump 15 are opened.
(2), when detecting that the clear water chilled water leaving water temperature displaced is higher than 12 DEG C, 92, No. three electricity of No. two solenoid valves
95, No. seven solenoid valves 97 of the solenoid valve of solenoid valve 94, five of magnet valve 93, four and No. eight solenoid valves 98 are opened；No. six solenoid valves 96
Close.Sea water pump 1 and clarified water pump 15 remain on.After 3 minutes, spare air-conditioner set puts into operation.
(3), when detecting clear water chilled water leaving water temperature at 7 DEG C, spare air-conditioner set is out of service.
(4), when compressor 18 is opened, minimum 5 minutes of the time interval once shut down before distance.
(5), when system breaks down, unit is transferred to shutdown status immediately, and sea water pump 1 and clarified water pump 15 stop, at this time
If spare air-conditioner set is in operating status, spare air-conditioner set also needs to stop at the same time.92, No. three electricity of No. two solenoid valves after shutdown
The solenoid valve 95, six of solenoid valve 94, five solenoid valve 97 of solenoid valve 96, seven of magnet valve 93, four and No. eight solenoid valves 98 are protected
Hold unlatching.
The more conventional air-conditioning system of ocean chilled water central cooling system with auxiliary cold source and source of seawater heat in the present embodiment
Pumping system energy saving 60%, and the ocean temperature condition for being adapted to precious marine prods cultivation is capable of providing, belong to renewable green energy resource
Ocean energy power-saving technology.The ocean chilled water central cooling system with auxiliary cold source can efficiently use the Huanghai Sea in the present embodiment
In cold water mass temperature difference phenomenon, to realize that region central cooling industrialization provides key technology branch using Huanghai Cold Water Mass resource
Support.The ocean chilled water central cooling system with auxiliary cold source is reasonable in design in the present embodiment, operates steadily, energy profit
With rate, high, using flexible, effects of energy saving and emission reduction are notable.
Furthermore, it is necessary to illustrate, the specific embodiment described in this specification, the shape of its parts and components, be named
Title etc. can be different, and the above content described in this specification is only to structure example explanation of the present invention.It is all according to
The equivalence changes or simple change done according to the construction described in inventional idea of the present invention, feature and principle, are included in this hair
In the protection domain of bright patent.Those skilled in the art can do described specific embodiment various
The modification of various kinds or supplement substitute in a similar way, without departing from structure of the invention or surmount present claims
Scope defined in book, is within the scope of protection of the invention.
Claims (10)
1. a kind of ocean chilled water central cooling system with auxiliary cold source, including water module, sebific duct and cold with steel ring
Extraction module, it is characterised in that：The water module include sea water pump, seawater corrosion prevention pipeline, tank overflow, adjust water pot,
Water filter, check valve, water pressure table, water tank pump, transfer pipeline, water regulating valve and water tank pump frequency conversion device, the adjusting water
The top of tank is provided with the irrigating gate for moisturizing, and one end of the seawater corrosion prevention pipeline is connected with sea water pump, the seawater corrosion prevention
The other end of pipeline with adjust water pot connect, the tank overflow and adjusting water pot connect, one end of the transfer pipeline with
Adjust water pot connection, the other end of the transfer pipeline connects with one end of sebific duct, the water filter, check valve, water pressure table,
Water tank pumps and water regulating valve is installed on transfer pipeline, water tank pump frequency conversion device and water tank the pump connection；The cold carries
Modulus block includes aqueduct, preposition heat exchanger, outlet conduit, No. two solenoid valves, spare air-conditioner set, water return pipeline, three
Number solenoid valve, seawater electromagnetic flowmeter, wind disk return pipe, clarified water pump, exhaust pipe, air bleeding valve, freezing outlet pipe, No. seven electromagnetism
Valve, No. five solenoid valves, freezing water inlet pipe, No. four solenoid valves, clear water electromagnetic flowmeter, No.1 bypass, No. eight solenoid valves, No. two sides
Road and No. six solenoid valves, the spare air-conditioner set include double-pipe condenser, filter, plate-type evaporator, gas-liquid separator and
Compressor, described sleeve pipe condenser are connected by pipeline with filter, and the filter is connected by pipeline with plate-type evaporator,
The plate-type evaporator is connected by pipeline with gas-liquid separator, and the gas-liquid separator is connected by pipeline with compressor, institute
Compressor is stated to connect with double-pipe condenser by pipeline；One end of the aqueduct is connected with preposition heat exchanger, the water delivery
The other end of pipeline is connected with the other end of sebific duct, and one end of the outlet conduit is connected with preposition heat exchanger, the outlet pipe
The other end in road is connected with double-pipe condenser, and No. two solenoid valves are installed on outlet conduit, one end of the water return pipeline
Connected with double-pipe condenser, No. three solenoid valves and seawater electromagnetic flowmeter are installed on water return pipeline, and the wind disk returns
One end of water pipe is connected with preposition heat exchanger, and the other end of the wind disk return pipe is connected with user terminal, the clarified water pump installation
On wind disk return pipe, one end of the exhaust pipe is connected on wind disk return pipe, and the air bleeding valve is installed on exhaust pipe, institute
The one end for stating freezing outlet pipe is connected with preposition heat exchanger, and the other end of the freezing outlet pipe is connected with plate-type evaporator, institute
State No. seven solenoid valves and No. five solenoid valves are installed on freezing outlet pipe, one end of the freezing water inlet pipe and plate-type evaporator
Connection, the other end of the freezing water inlet pipe are connected with user terminal, and No. four solenoid valves and clear water electromagnetic flowmeter are installed in
Freeze on water inlet pipe, one end of the No.1 bypass is connected on wind disk return pipe, and the other end which bypasses is connected to cold
Freeze on outlet pipe, No. eight solenoid valves are installed in No.1 bypass, and one end of No. two bypasses is connected to freezing outlet pipe
On, the other end of this No. two bypasses is connected on freezing water inlet pipe, and No. six solenoid valves are installed in No. two bypasses.
2. the ocean chilled water central cooling system according to claim 1 with auxiliary cold source, it is characterised in that：The sea
Foreign chilled water central cooling system further includes precious culturing marine products field and backwater draws pipeline, the other end of the water return pipeline
Connected with precious culturing marine products field, the backwater is drawn pipeline and connected with precious culturing marine products field.
3. the ocean chilled water central cooling system according to claim 1 with auxiliary cold source, it is characterised in that：The sea
Foreign chilled water central cooling system further includes water tank and filling pipe, and one end of the filling pipe is connected with water tank, the filling pipe
The other end is connected with wind disk return pipe.
4. the ocean chilled water central cooling system according to claim 1 with auxiliary cold source, it is characterised in that：It is described cold
Amount extraction module further includes No.1 water flow switch and No. two water flow switches, and the No.1 water flow switch is installed on water return pipeline,
No. two water flow switches are installed on freezing water inlet pipe.
5. the ocean chilled water central cooling system according to claim 1 with auxiliary cold source, it is characterised in that：It is described cold
Measure in extraction module, described freezing one end of outlet pipe, No. seven solenoid valves, the other end of No.1 bypass, No. two bypasses one end,
The other end of No. five solenoid valves and freezing outlet pipe is arranged in order along freezing outlet pipe, one end of the freezing water inlet pipe, No. four
Solenoid valve, No. two other ends bypassed and clear water electromagnetic flowmeter are arranged in order along freezing water inlet pipe.
6. the ocean chilled water central cooling system according to claim 1 with auxiliary cold source, it is characterised in that：It is described go out
The No.1 temperature measuring point for going out temperature for measuring preposition heat exchanger seawater is provided with waterpipe, is provided with and is used on the aqueduct
Preposition heat exchanger seawater is measured into No. two temperature measuring points of temperature, is provided with the freezing outlet pipe for measure preposition heat exchanger clear
Water goes out No. three temperature measuring points of temperature, is provided with the wind disk return pipe for measuring preposition heat exchanger clear water into No. four thermometrics of temperature
Point, it is described to freeze No. five temperature measuring points being provided with water inlet pipe for measuring plate-type evaporator Graceful temperature, the freezing water outlet
It is provided with for measuring plate-type evaporator clear water into No. six temperature measuring points of temperature, is provided with the water return pipeline for measuring on pipe
Double-pipe condenser seawater goes out No. seven temperature measuring points of temperature, is provided with the outlet conduit for measuring double-pipe condenser seawater into temperature
No. eight temperature measuring points, be provided with No. nine temperature measuring points for measuring start/stop of compressor temperature on the freezing water inlet pipe.
7. the ocean chilled water central cooling system according to claim 1 with auxiliary cold source, it is characterised in that：The pressure
Be mounted on the exhaust copper pipe and return-air copper pipe of contracting machine high voltage protective switch, low-voltage protective switch, pressure gauge monitoring instrument and
Needle-valve maintenance interface.
8. the ocean chilled water central cooling system according to claim 1 with auxiliary cold source, it is characterised in that：It is described cold
Amount extraction module further includes drainpipe, and one end of the drainpipe is connected on outlet conduit.
9. the ocean chilled water central cooling system according to claim 1 with auxiliary cold source, it is characterised in that：It is described standby
Flow controller is further included with air-conditioner set, the flow controller is installed on the pipeline between filter and plate-type evaporator.
A kind of 10. ocean chilled water central cooling with auxiliary cold source using as described in claim 1-9 any claims
The central cooling method of system, it is characterised in that：The step of central cooling method is：No. six solenoid valves are opened, No. four electricity
Magnet valve, No. five solenoid valves and No. eight solenoid valves are closed, and low temperature seawater is transported to adjusting water by sea water pump by seawater corrosion prevention pipeline
Tank, pumps orientation by water tank and is transported to cold extraction module, water regulating valve is serially connected in transfer pipeline, passes through water regulating valve
Seawater flow is set as 3.2m3/h；Low temperature seawater enters preposition heat exchanger by the sebific duct with steel ring, with user terminal 12~
After 16 DEG C of clear water backwater carries out countercurrent heat exchange, ocean temperature brings up to 12 DEG C and flows out preposition heat exchanger, enters back into set
Pipework condensation device participates in the heat exchange of spare air-conditioner set, and temperature is carried after the heat in Absorption by Sea Water double-pipe condenser
Rise, the temperature of seawater is at 12~16 DEG C at this time；The freezing clear water temperature that user terminal produces passes through wind disk backwater at 12~16 DEG C
Pipe enters cold extraction module, and 12~16 DEG C of coil pipe clear water backwater enters preposition heat exchanger and carries out heat exchange with low temperature seawater,
It is changed into 7~12 DEG C of clear water and flows out preposition heat exchanger, it is standby when putting the temperature of clear water of heat exchanger outflow in the past more than 12 DEG C
Started with air-conditioner set, No. six solenoid valves are closed, and No. four solenoid valves, No. five solenoid valves and No. eight solenoid valves are opened, at this time clear water
It is side by preposition heat exchanger to flow to, and enters plate-type evaporator, and spare air-conditioner set starts electricity refrigeration, until entering
When clear water temperature before user terminal drops to 7 DEG C, spare air-conditioner set is shut down, and No. six solenoid valves are opened, No. four solenoid valves, No. five
Solenoid valve and No. eight solenoid valves are closed, so circulation.
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| CN201510660051.1A CN105240970B (en) | 2015-10-14 | 2015-10-14 | A kind of ocean chilled water central cooling system and central cooling method with auxiliary cold source |
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| CN106545935B (en) * | 2016-10-27 | 2019-07-05 | 航天科工哈尔滨风华有限公司 | It is a kind of using intermediate medium gasifier as the air-conditioning system of cold source |
| CN108458432B (en) * | 2018-03-30 | 2023-11-28 | 深圳市艾特网能技术有限公司 | Passive heat pipe natural cooling machine room air conditioning system with auxiliary cold source and control method thereof |
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| CN1263234A (en) * | 1999-12-06 | 2000-08-16 | 海阳市富尔达热工程有限公司 | Central air-conditioning system utilizing seawater to make heat exchange |
| CN101149173A (en) * | 2007-11-08 | 2008-03-26 | 上海交通大学 | Underwater heat-exchanging system for large scale extraction of subsurface sea water cool capacity |
| CN102095281A (en) * | 2011-01-28 | 2011-06-15 | 青岛理工大学 | Seawater source water ring heat pump device for air-conditioning system |
| CN205156210U (en) * | 2015-10-14 | 2016-04-13 | 中国海洋大学 | Take auxiliary cold source's ocean refrigerated water concentrated cooling system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6022335B2 (en) * | 2012-12-13 | 2016-11-09 | 株式会社日立製作所 | Deep sea water use air conditioning system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1263234A (en) * | 1999-12-06 | 2000-08-16 | 海阳市富尔达热工程有限公司 | Central air-conditioning system utilizing seawater to make heat exchange |
| CN101149173A (en) * | 2007-11-08 | 2008-03-26 | 上海交通大学 | Underwater heat-exchanging system for large scale extraction of subsurface sea water cool capacity |
| CN102095281A (en) * | 2011-01-28 | 2011-06-15 | 青岛理工大学 | Seawater source water ring heat pump device for air-conditioning system |
| CN205156210U (en) * | 2015-10-14 | 2016-04-13 | 中国海洋大学 | Take auxiliary cold source's ocean refrigerated water concentrated cooling system |
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