CN1239870C - Catenated cooling heating system - Google Patents
Catenated cooling heating system Download PDFInfo
- Publication number
- CN1239870C CN1239870C CNB021303371A CN02130337A CN1239870C CN 1239870 C CN1239870 C CN 1239870C CN B021303371 A CNB021303371 A CN B021303371A CN 02130337 A CN02130337 A CN 02130337A CN 1239870 C CN1239870 C CN 1239870C
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- cold
- hot water
- cooler
- cooling
- pump
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- 238000001816 cooling Methods 0.000 title claims description 89
- 238000010438 heat treatment Methods 0.000 title claims description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 191
- 239000000498 cooling water Substances 0.000 claims description 21
- 230000000694 effects Effects 0.000 claims description 14
- 238000013459 approach Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 239000012266 salt solution Substances 0.000 description 20
- 230000000712 assembly Effects 0.000 description 7
- 238000000429 assembly Methods 0.000 description 7
- 238000005086 pumping Methods 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000012267 brine Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
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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
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/06—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/06—Several compression cycles arranged in parallel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D31/00—Other cooling or freezing apparatus
- F25D31/005—Combined cooling and heating devices
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Other Air-Conditioning Systems (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention provides a connected chilling-hating system capable of saving delivering power during reduced load periods. The system comprises load-side equipment, a set of chiller-heater modules connected in parallel, and a cold/hot water pipe connected between the load-side equipment and the set of chiller-heater modules to form a loop, wherein each chiller-heater module is connected to a cold/hot water inlet pipe for supplying cold/hot water to the module and a cold/hot water outlet pipe for collecting cold/hot water from the module, said inlet or outlet pipe having a flow valve, wherein the flow control of cold/hot water is accomplished by opening or closing the respective flow valves placed on the cold/hot water inlet pipes or the cold/hot water outlet pipes of the chiller-heater modules in response to the number of chiller-heater modules in operation.
Description
Technical field
The present invention relates to a kind of Catenated cooling heating system.More particularly, the present invention relates to a kind of like this Catenated cooling heating system, it comprises one group of parallel connection to form a chain of cooler-heater assembly of integral unit, and each assembly has compressor, cooler, condenser and throttle system, thereby forms a kind of cold/hot water circulation.Catenated cooling heating system of the present invention makes it possible to control the discharge pressure of inlet/outlet temperature, flow and cold/hot water.
Background technology
Referring now to describing at the Catenated cooling heating system of the overall schematic shown in Fig. 4 to a kind of prior art.Label definition in Fig. 4 is as follows:
1: the inlet tube connector;
2: the pump that is used for cold/hot water or salt solution;
3,4,5,6,7: cooler-heater assembly;
8: outlet connecting pipe;
9: inlet temperature;
10: outlet temperature;
11: supply with header;
12: return header;
13: the cold/hot water by-passing valve;
14,15: load heat exchanger is air-conditioner etc. for example;
16,17: load control valve;
18: the pump that is used for cooling water or heating source water (cooling source water);
19: the circulation vessel that is used for the cooling source water;
20: the unidirectional water source that is used for the cooling source water;
21: the unidirectional storage tank that is used for the cooling source water; And
22,23,24,25: unidirectional/the cycling switch valve.
As shown in the figure, Catenated cooling heating system comprise load side device 14 and 15 for example air-conditioner, one group of parallel connection cooler-heater assembly 3 and be connected the load side device and that group cooler-heater assembly between form the cold/hot water pipe in loop.Described cooler-heater assembly group except with also be connected the cold/hot water pipe is connected with cooling water source water pipe.This cold/hot water pipe comprises and is used for cold/hot water is offered the cold/hot water supply pipe of load side device and being used for making cold/hot water be back to the cold/hot water return duct of cooler-heater assembly from the load side device from cooler-heater assembly.Equally, cooling water source water pipe comprises and is used to collect from the cooling source water return duct of the cooling source water of cooler-heater assembly and the cooling source water supply pipe that is used for the cooling source water is offered cooler-heater assembly.In the system shown in Fig. 4, supply header 11 and return header 12 are separately positioned on cold/hot water supply pipe and the cold/hot water return duct.
In this system, cold/hot water or salt solution enter cooler-heater assembly 3,4,5,6 and 7 by pump 2 from return header 12 pumpings, and cold/hot water or salt solution are cooled there or heat.At this time, it is constant with the outlet temperature 10 of guaranteeing the cold/hot water of mixing in outlet connecting pipe 8 that cold/hot water or salt solution are accepted temperature control.From supply header 11 cold/hot water or salt solution are flowed to each load side device 14 and 15 then.
Fig. 4 demonstrates the cooling down operation that cold water or salt solution are cooled.When cooling load begins to reduce in this operation, reduce to flow to the cooling water or the salt water yield of load heat exchanger by throttling load control valve 16 and 17, handle the number of the cooler-heater assembly that reduces work simultaneously by quantity control.But, if cooler-heater assembly 6 and 7 stops, then the cold water of the cooling in the cooler-heater assembly 3,4 and 5 of work or salt solution merge in outlet connecting pipe 8 with at inlet temperature 9 times cold water or salt solution by idle cooler-heater assembly 6 and 7, thereby outlet temperature 10 becomes than the temperature height at whole duration of works.In this case, for obtain and when all operating (all coolers-heater assembly 3-7 all work) identical outlet temperature 10, then must the relevant temperature in the exit of the cooler-heater assembly 3,4 of work and 5 control compare lower when all operating.
For example, be 10.0 ℃ and outlet temperature 10 should be adjusted in 7.0 ℃ the situation, must be set at 5.0 ℃ in the relevant temperature in the exit of cooler-heater assembly 3,4 and 5 in inlet temperature 9.
Equally, the also assembly by idle cooler-heater assembly and work of cooling source water.
There is following problem in the cooling-heating system of this prior art:
(i) in order to ensure constant exit temperature 10, except being used for that the cold/hot water temperature in the inlet of each cooler-heater assembly of working or exit is remained on the desired temperature controlling system, also needing another control system and come cooler-heater assembly number according to work to change to set in the temperature of the cold/hot water in the inlet of each cooler-heater assembly or exit;
(ii) owing to reduce (temperature is set rising in heating operation) so reduce in appearance aspect the C.O.P (coefficient of performance) at the inlet of each cooler-heater assembly of working or the desired temperature in exit, this can cause energy too much to consume;
(iii) because load control valve 16 and 17 is when in response to reducing and make during throttling excessive cold/hot water or salt solution by cold/hot water by-passing valve 13 in the load, so the extra conveying capacity of needs;
(iv) because identical, so in response to reducing at the cooling water system of cold water production period or during hot water production, add the extra conveying capacity of hot-water heating system needs on the cooler of working during reducing in load-heater assembly number; And
(v) the internal pipeline in idle cooler-heater assembly additionally can get rusty.
In order to overcome the problems referred to above that exist in the prior art, the object of the present invention is to provide a kind of Catenated cooling heating system, this system is not only at the desired temperature and the optimum flow that need not change the cold/hot water of having guaranteed to offer the load side device under the situation that the temperature in the inlet of each cooler-heater assembly or exit is set, but also can carry conserve energy aspect the cooling source water when making some a chain of cooler-heater assemblies stop cooler-heater assembly number with control work.
Summary of the invention
To achieve these goals, the invention provides:
(1) a kind of Catenated cooling heating system, it comprise the cooler-heater assembly of load side device, one group of parallel connection and be connected described load side device and described cooler-heater assembly group between forming the cold/hot water pipe in loop,
Wherein said cooler-heater assembly group except with also be connected the cold/hot water pipe is connected with cooling water source water pipe,
Wherein said cold/hot water pipe comprises and is used for cold/hot water being offered the cold/hot water supply pipe of load side device and being used to make the cold/hot water return duct that is back to cooler-heater assembly from the cold/hot water of load side device from cooler-heater assembly,
Wherein said cooling water source water pipe comprises and is used to collect from the cooling source water return duct of the cooling source water of cooler-heater assembly and the cooling source water supply pipe that is used for the cooling source water is offered described cooler-heater assembly
Wherein each cooler-heater assembly be used for that cold/hot water offered the cold/hot water inlet tube of this assembly and be used to collect being connected from the cold/hot water outlet of the cold/hot water of described assembly, described inlet and/or outlet have flow valve,
Wherein said system has and is used for according to cooling load and regulates the device of number of the cooler-heater assembly of work, and the number of the cooler-heater assembly of responsive operation is by opening or closing the flow-control that the cold/hot water inlet tube that is arranged on cooler-heater assembly and/or the respective streams metered valve on the cold/hot water outlet are realized cold/hot water.
The present invention also comprises following preferred embodiment:
(2) Catenated cooling heating system of above-mentioned (1), this system also comprises a pump or a plurality of pump on the path that is installed in the cold/hot water pipe between cooler-heater assembly group and the load side device that is equipped with speed control,
Wherein the number of effect by being assemblied in the speed control on the pump or the pump by control work regulate since open or close that flow valve produces in the blowdown presssure of pump or the variation on the differential pressure between cold/hot water supply pipe and the cold/hot water return duct to guarantee optimum pressure;
(3) Catenated cooling heating system of above-mentioned (2), this system also comprises the by-pass line that cold/hot water supply pipe and cold/hot water return duct are linked together, described by-pass line is set in place on the path of the cold/hot water pipe between described cooler-heater assembly group and the described load side device
Wherein the number of effect by being assemblied in the speed control on the pump or the pump by control work is adjusted to the bypass flow by by-pass line and approaches zero;
(4) Catenated cooling heating system of above-mentioned (2), this system also comprises the cold/hot water supply header that is installed on the cold/hot water supply pipe and is installed in cold/hot water return header on the cold/hot water return duct,
Wherein the number of effect by being assemblied in the speed control on the pump or the pump by control work is regulated owing to open or close flow valve the variation on the differential pressure that produces between these two headers to guarantee optimum pressure;
(5) Catenated cooling heating system of above-mentioned (3), this system also comprises the cold/hot water supply header that is arranged on the cold/hot water supply pipe, the by-pass line that is arranged on the cold/hot water return header on the cold/hot water return duct and connects these two headers,
Wherein the number of effect by being assemblied in the speed control on the pump or the pump by control work is adjusted to the bypass flow by by-pass line and approaches zero;
(6) each Catenated cooling heating system in above-mentioned (1) to (5), wherein each cooler-heater assembly also be used for that the cooling source water offered the cooling source water inlet tube of this assembly and be used to collect being connected from the cooling source water outlet of the cooling source water of this assembly, described water inlet and/or outlet have flow valve
Wherein open or close the flow-control that the cooling source water inlet tube that is arranged on cooler-heater assembly and/or the respective streams metered valve on the cooling source water outlet are realized the cooling source water by the number of cooler-heater assembly in response to work;
(7) Catenated cooling heating system of above-mentioned (6), this system also comprises the pump or a plurality of pump that are equipped with speed control on the path that is arranged on cooling water source water pipe,
Wherein the number of effect by being assemblied in the speed control on the pump or the pump by control work regulate since open or close that flow valve produces in the blowdown presssure of pump or the variation on the differential pressure between cooling source water return duct and the cooling source water supply pipe to guarantee optimum pressure; And
(8) Catenated cooling heating system of above-mentioned (7), this system also comprises the by-pass line that described cooling source water supply pipe and cooling source water return duct are linked together, described by-pass line is arranged on the path of cooling water source water pipe,
Wherein the number of effect by being assemblied in the speed control on the pump or the pump by control work with the bypass flow by this by-pass line be adjusted near zero in.
This specification is included in the specification of Japanese patent application No.2001-247796 and/or the some or all contents disclosed in the accompanying drawing, and this document is here as the application's priority document.
Brief description of drawings
Fig. 1 is the overall schematic according to the cooling-heating system of embodiment of the present invention, and this system comprises one group of a chain of cooler-heater assembly and the load side device that links to each other with these assemblies.
Fig. 2 is the overall schematic of cooling-heating system according to another embodiment of the invention, and this system comprises one group of a chain of cooler-heater assembly and the load side device that links to each other with these assemblies.
Fig. 3 is the conceptual view of used in the present invention each cooler-heater assembly.
Fig. 4 is the overall schematic of the cooling-heating system of prior art, and it comprises one group of a chain of cooler-heater assembly and the load side device that links to each other with these assemblies.
Detailed description of preferred embodiments
The preferred embodiments of the invention are a kind of Catenated cooling heating systems that comprise the cooler-heater assembly of one group of parallel connection,
Wherein the inlet of cold/hot water or inlet temperature are controlled in each cooler-heater assembly,
The number of the cooler-heater assembly of wherein working is controlled at the variation of load,
Wherein open or close the overall flow that the cold/hot water inlet tube that is arranged on cooler-heater assembly or the respective streams metered valve on the cold/hot water outlet are controlled the cold/hot water of the cooler-heater assembly of flowing through by the number of cooler-heater assembly in response to work
Wherein the number of effect by being assemblied in the speed control on the pump or the pump by control work regulate since open or close that flow valve produces in the blowdown presssure of pump or the increase on the differential pressure between cold/hot water supply pipe and the cold/hot water return duct to guarantee optimum pressure, can avoid the waste of conveying capacity thus, thereby save energy.
Another preferred embodiment of the present invention is a kind of continuous cooling-heating system that comprises the cooler-heater assembly of one group of parallel connection,
Wherein the entrance and exit temperature of cold/hot water is controlled in each cooler-heater assembly,
Wherein control the number of the cooler-heater assembly of work in response to the variation of load,
Wherein open or close the overall flow that the cooling source water inlet tube that is arranged on cooler-heater assembly or the respective streams metered valve on the cooling source water outlet are controlled the cold/hot water of the cooler-heater assembly of flowing through by the number of cooler-heater assembly in response to work
Wherein the number of effect by being assemblied in the speed control on the pump or the pump by control work regulate since open or close that flow valve produces in the blowdown presssure of pump or the increase on the differential pressure between cooling source water supply pipe and the cooling water return duct to guarantee optimum pressure, can avoid the waste of conveying capacity thus, thereby save energy.
Next, will be by the present invention will be described with reference to accompanying drawing.
Fig. 1 demonstrates the overall schematic according to the cooling-heating system of embodiment of the present invention, and this system comprises 5 a chain of cooler-heater assemblies and 2 load side devices that link to each other with these assemblies.To aspect the cooling down operation Fig. 1 be described in the mode of example below.
During also being included in load and reducing, this figure, supposes to be decided to be 7.0 ℃ and the cold water of each cooler-heater assembly or the flow velocity of salt solution is represented by Q with the temperature of cold water in each cooler-heater assembly or salt solution is default at the temperature of cold water and the customizing messages aspect the flow velocity.
26,27,28,29,30: the flow valve that is used for cold/hot water;
31,32,33,34,35: the flow valve that is used for the cooling source water;
36: the pumping pressure detector that is used for cold/hot water or salt solution;
37: pressure controller;
39: the pumping pressure detector that is used for the cooling source water;
40: pressure controller;
41: the speed control that is used for the cooling source water.
Below will be to operation at the Catenated cooling heating system shown in Fig. 1.Cooler-heater assembly 6 and 7 stop with in response to load reduce control in the situation of number of cooler-heater assembly, flow valve 29 and 30 cuts out to prevent that cold water or salt solution from flowing to idle cooler-heater assembly 6 and 7.Therefore, the temperature of cold water or salt solution remains 7.0 ℃ at each cooler-heater assembly 3,4 of work and 5 exit, and this has guaranteed that conversely outlet temperature 10 is 7.0 ℃.Therefore, the device that 7.0 ℃ cold water or salt solution can be offered load side.
The raise blowdown presssure of pump 2 of the flow valve 29 and 30 of closing at this moment.The blowdown presssure of this rising is pumped pressure detector 36 and detects and be transmitted to pressure controller 37 then, and this pressure controller control rate controller 38 is to reduce the blowdown presssure of pump 2.Like this, can the outer discharging energy of savings.Can make this flow of the cold/hot water by-passing valve 13 of flowing through approach zero by the discharge capacity that reduces pump 2, thereby this have further saved conveying capacity again.
For cooling water, if cooler-heater assembly 6 and 7 stops, then flow valve 34 and 35 cuts out to prevent that cooling water flow from advancing in these idle cooler-heaters.
After the flow valve 29 and 30 of cutting out has raise the blowdown presssure of pump 18, the blowdown presssure of this rising is pumped pressure detector 39 and detects and be transmitted to pressure controller 40 then, and this pressure controller control rate controller 41 is to reduce the blowdown presssure of pump 18.Like this, also can save discharging energy extra in cooling water system.
Fig. 2 demonstrates the overall schematic according to the cooling-heating system of another embodiment of the invention, and this figure is different with Fig. 1.
In the system of Fig. 2, label 1 to 35 is with defined the same in Fig. 1.Other label definition is as follows:
2 ': the pump that is used for cold/hot water or salt solution;
18 ': the pump that is used for the cooling source water;
36 ': header differential pressure detector;
37 ': the differential pressure transmitter that is used for cooling water; And
40 ': differential pressure controller.
In the situation of this system, the header differential pressure between supply header 11 and the return header 12 is by differential pressure detector 36 ' rather than detect by the blowdown presssure that detection detects pump 2.Then the differential pressure that is detected is sent to differential pressure controller 37 ', this controller conversely control pump 2 and 2 ' number.Like this, can the outer conveying capacity of savings.Though Fig. 2 demonstrates the embodiment that comprises two cold/hot waters or brine pump, this embodiment can be applied to use the situation of plural pump.Equally, this embodiment can also be applied in the auxiliary pump 42 that is used for cold/hot water or salt solution and 43 situation.
For the source water of the cooling assembly that is used for cooler-heater, the differential pressure between cooling water tube and the cooling water return duct is by differential pressure transmitter 39 ' and can not detect by the blowdown presssure that detection is used for the pump of cooling source water.Then the differential pressure that is detected is sent to differential pressure controller 40 ', this controller conversely control pump 18 and 19 ' number.In cooling source water system, also can save extra conveying capacity like this.Though demonstrating, Fig. 2 comprises that two embodiments that are used for the pump of cooling source water, this embodiment can also be applied in the situation of using plural pump.
By the way, Fig. 1 and 2 demonstrates a kind of like this system, and the supply header and the return header that wherein are used for cold/hot water are located at supply pipe and the return duct place that is used for cold/hot water respectively.But the present invention can also be applied in a kind of like this system, and these headers wherein are not set.For example, in the system of Fig. 1, between supply pipe that is used for cold/hot water and return duct, directly be provided with by-pass line and supply header 11 and return header 12 are not set, and can regulate the discharge capacity of pump 2 so that make the flow of cold/hot water approach zero by bypass pipe.In addition, in the system of Fig. 2, differential pressure detector 36 ' and by-pass line can be set directly between the supply pipe that is used for cold/hot water and the return duct and supply header 11 and return header 12 be not set.
Though be given in the explanation of the cooling down operation aspect of cooling cold water or salt solution, this explanation can be used for the heating operation of heat hot water.
Fig. 3 demonstrates the concept map of employed each cooler-heater assembly in the present invention.
In Fig. 3, label 44,45,46 and 47 is represented cooler, compressor, condenser and throttle system respectively.
To the kind of refrigeration cycle at the cooler-heater assembly shown in Fig. 3 be described below.The refrigerant gas of evaporation is compressed in compressor 45 and is introduced into into condenser 46 then to carry out liquefaction with cooling water 48 coolings in cooler 44.The cold-producing medium of liquefaction is directed in the refrigeration chamber in cooler 44 then by throttle system 47 compression, and cold-producing medium absorbs the heat of the cold water that enters or salt solution and therefore entering for the second time to make before the kind of refrigeration cycle self to evaporate once more in inlet nozzle 1 there.Like this, cold water or salt solution are cooled and flow out outlet nozzle 8 then.
According to the present invention, use above-mentioned controlling organization to make Catenated cooling heating system can have feature:
(i), do not need extra control system to change desired temperature (desired temperature) at the cold/hot water of the outlet of each cooler-heater assembly or porch even under the situation of the number of the cooler-heater that has reduced to reduce work owing to load yet.
Even (ii) under the situation that some cooler-heater assemblies stop, because need not be reduced in the desired temperature of the cold/hot water in the inlet of each cooler-heater assembly of working or exit, so also can avoid aspect C.O.P (coefficient of performance) occurring reducing, thus can be under desired temperature cold/hot water be offered the load side device;
(iii) because can guarantee the optimum cold/hot water and the flow of cooling source water, so can save conveying capacity in response to specific cooling or heating load;
(iv) can prevent additionally the getting rusty of internal pipeline in idle cooler-heater assembly.
Claims (8)
1. Catenated cooling heating system, it comprise the cooler-heater assembly of load side device, one group of parallel connection and be connected described load side device and described cooler-heater assembly group between forming the cold/hot water pipe in loop,
Wherein, described cooler-heater assembly group except with also be connected the cold/hot water pipe is connected with cooling water source water pipe,
Wherein, described cold/hot water pipe comprises and is used for cold/hot water being offered the cold/hot water supply pipe of load side device and being used to make the cold/hot water return duct that is back to cooler-heater assembly from the cold/hot water of load side device from cooler-heater assembly,
Wherein, described cooling water source water pipe comprises and is used to collect from the cooling source water return duct of the cooling source water of cooler-heater assembly and the cooling source water supply pipe that is used for the cooling source water is offered described cooler-heater assembly
Wherein, each cooler-heater assembly be used for that cold/hot water offered the cold/hot water inlet tube of this assembly and be used to collect being connected from the cold/hot water outlet of the cold/hot water of described assembly, described inlet and/or outlet have flow valve,
Wherein, described system has and is used for according to cooling load and regulates the device of number of the cooler-heater assembly of work, and the number of the cooler-heater assembly of responsive operation is by opening or closing the flow-control that the cold/hot water inlet tube that is arranged on cooler-heater assembly and/or the respective streams metered valve on the cold/hot water outlet are realized cold/hot water.
2. Catenated cooling heating system as claimed in claim 1, this system also comprises the pump or a plurality of pump that are equipped with speed control that is installed on the cold/hot water canal path between cooler-heater assembly group and the load side device,
Wherein, the number of effect by being assemblied in the speed control on the pump or the pump by control work regulate since open or close that flow valve produces on the blowdown presssure of pump or the variation on the differential pressure between cold/hot water supply pipe and the cold/hot water return duct, to guarantee optimum pressure.
3. Catenated cooling heating system as claimed in claim 2, this system also comprises the by-pass line that cold/hot water supply pipe and cold/hot water return duct are linked together, described by-pass line is set in place on the path of the cold/hot water pipe between described cooler-heater assembly group and the described load side device
Wherein, the number of effect by being assemblied in the speed control on the pump or the pump by control work is adjusted to the bypass flow by by-pass line and approaches zero.
4. Catenated cooling heating system as claimed in claim 2, this system also comprises the cold/hot water supply header that is installed on the cold/hot water supply pipe and is installed in cold/hot water return header on the cold/hot water return duct,
Wherein, the number of effect by being assemblied in the speed control on the pump or the pump by control work is regulated the differential pressure that produces owing to open or close flow valve and is changed to guarantee optimum pressure between these two headers.
5. Catenated cooling heating system as claimed in claim 3, this system also comprises the cold/hot water supply header that is arranged on the cold/hot water supply pipe, the by-pass line that is arranged on the cold/hot water return header on the cold/hot water return duct and connects these two headers
Wherein, the number of effect by being assemblied in the speed control on the pump or the pump by control work is adjusted to the bypass flow by by-pass line near zero.
6. Catenated cooling heating system as claimed in claim 1, wherein each cooler-heater assembly also be used for that the cooling source water offered the cooling source water inlet tube of this assembly and be used to collect being connected from the cooling source water outlet of the cooling source water of this assembly, described inlet and/or outlet have flow valve
Wherein, open or close the flow-control that the cooling source water inlet tube that is arranged on cooler-heater assembly and/or the respective streams metered valve on the cooling source water outlet are realized the cooling source water by the number of cooler-heater assembly in response to work.
7. Catenated cooling heating system as claimed in claim 6, this system also comprises the pump or a plurality of pump that are equipped with speed control on the path that is arranged on cooling water source water pipe,
Wherein, the number of effect by being assemblied in the speed control on the pump or the pump by control work regulate since open or close that flow valve produces on the blowdown presssure of pump or the variation on the differential pressure between cooling source water return duct and the cooling source water supply pipe, to guarantee optimum pressure.
8. Catenated cooling heating system as claimed in claim 7, this system also comprises the by-pass line that described cooling source water supply pipe and cooling source water return duct are linked together, described by-pass line is arranged on the path of cooling water source water pipe
Wherein, the number of effect by being assemblied in the speed control on the pump or the pump by control work is adjusted to the bypass flow by this by-pass line and approaches zero.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001247796 | 2001-08-17 | ||
| JP247796/2001 | 2001-08-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1417535A CN1417535A (en) | 2003-05-14 |
| CN1239870C true CN1239870C (en) | 2006-02-01 |
Family
ID=19077054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021303371A Expired - Fee Related CN1239870C (en) | 2001-08-17 | 2002-08-16 | Catenated cooling heating system |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20030037919A1 (en) |
| CN (1) | CN1239870C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507245A (en) * | 2018-04-04 | 2018-09-07 | 重庆大学 | A kind of the full-automatic circulating cooling control system and control method of nesting closed loop |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7028768B2 (en) * | 2003-08-20 | 2006-04-18 | Itt Manufacturing Enterprises, Inc. | Fluid heat exchange control system |
| HK1086984A2 (en) | 2006-02-23 | 2006-09-29 | David Man Chu Lau | An industrial process efficiency method and system |
| JP4978928B2 (en) * | 2007-04-27 | 2012-07-18 | シーケーディ株式会社 | Temperature control device |
| JP5172615B2 (en) * | 2008-11-12 | 2013-03-27 | Ｃｋｄ株式会社 | Temperature control device |
| IT1393090B1 (en) * | 2009-02-17 | 2012-04-11 | Agroittica Acqua & Sole Spa | NETWORK FOR THE CONTEMPORARY SUPPLY OF HEATING AND COOLING SERVICES |
| GB2471834A (en) * | 2009-07-09 | 2011-01-19 | Hewlett Packard Development Co | Cooling Module with a Chiller Unit, Flow Control, and Able to Utilise Free Cooling |
| US9854714B2 (en) | 2011-06-27 | 2017-12-26 | Ebullient, Inc. | Method of absorbing sensible and latent heat with series-connected heat sinks |
| US9848509B2 (en) | 2011-06-27 | 2017-12-19 | Ebullient, Inc. | Heat sink module |
| US9901013B2 (en) | 2011-06-27 | 2018-02-20 | Ebullient, Inc. | Method of cooling series-connected heat sink modules |
| US9854715B2 (en) | 2011-06-27 | 2017-12-26 | Ebullient, Inc. | Flexible two-phase cooling system |
| US10553463B2 (en) | 2011-11-15 | 2020-02-04 | Tokyo Electron Limited | Temperature control system, semiconductor manufacturing device, and temperature control method |
| JP5912439B2 (en) * | 2011-11-15 | 2016-04-27 | 東京エレクトロン株式会社 | Temperature control system, semiconductor manufacturing apparatus, and temperature control method |
| US10231358B1 (en) * | 2014-02-14 | 2019-03-12 | Amazon Technologies, Inc. | Trim cooling assembly for cooling electronic equipment |
| US10184699B2 (en) | 2014-10-27 | 2019-01-22 | Ebullient, Inc. | Fluid distribution unit for two-phase cooling system |
| US9852963B2 (en) | 2014-10-27 | 2017-12-26 | Ebullient, Inc. | Microprocessor assembly adapted for fluid cooling |
| US20160120059A1 (en) | 2014-10-27 | 2016-04-28 | Ebullient, Llc | Two-phase cooling system |
| CN111043782A (en) * | 2019-12-25 | 2020-04-21 | 中船重工（邯郸）派瑞特种气体有限公司 | Large-scale modularization refrigerating fluid refrigerating system |
| EP4015953A1 (en) * | 2020-12-20 | 2022-06-22 | Ugo Starri | A heating and cooling system |
| CN114807960A (en) * | 2022-04-13 | 2022-07-29 | 四川华能氢能科技有限公司 | Waste heat recovery management and control platform of large alkaline electrolyzed water hydrogen production device |
-
2002
- 2002-08-15 US US10/218,909 patent/US20030037919A1/en not_active Abandoned
- 2002-08-16 CN CNB021303371A patent/CN1239870C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507245A (en) * | 2018-04-04 | 2018-09-07 | 重庆大学 | A kind of the full-automatic circulating cooling control system and control method of nesting closed loop |
| CN108507245B (en) * | 2018-04-04 | 2021-06-08 | 重庆大学 | Nested closed-loop full-automatic industrial circulating cooling control system and control method |
Also Published As
| Publication number | Publication date |
|---|---|
| US20030037919A1 (en) | 2003-02-27 |
| CN1417535A (en) | 2003-05-14 |
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