CN202835915U - Novel energy-saving four-season cooling and heating system - Google Patents

Novel energy-saving four-season cooling and heating system Download PDF

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Publication number
CN202835915U
CN202835915U CN 201220457134 CN201220457134U CN202835915U CN 202835915 U CN202835915 U CN 202835915U CN 201220457134 CN201220457134 CN 201220457134 CN 201220457134 U CN201220457134 U CN 201220457134U CN 202835915 U CN202835915 U CN 202835915U
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water
control valve
water inlet
delivery port
cooling
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CN 201220457134
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钟幼泉
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Abstract

The utility model discloses a novel energy-saving four-season cooling and heating system. The novel energy-saving four-season cooling and heating system comprises a cooling tower, a water chilling unit, a boiler, a constant-temperature constant-humidity unit and a bypass loop, wherein the water chilling unit comprises a condenser and an evaporator, the constant-temperature constant-humidity unit comprises a cold water coiler pipe and a hot water coiler pipe, a return loop is formed by the connection between the cooling tower and the condenser through a pipeline, the connection between the evaporator and the cold water coiler pipe through a pipeline, and the connection between the hot water coiler pipe and the coiler through a pipeline, and the bypass loop is connected with the cooling tower in parallel and is provided with a plate heat exchanger. The novel energy-saving four-season cooling and heating system is good in energy-saving effect, capable of lowering the electricity usage in peak hours, and obvious in social benefit.

Description

Novel energy-conserving four seasons cooling heating system
Technical field
The utility model relates to a kind of novel energy-conserving four seasons cooling heating system.
Background technology
At present, need the occasion of constant temperature and humidity control to carry out the situation that the while cooling heats, the following dual mode of general employing:
1, annual central air-conditioning cooling, boiler heat supplying, the shortcoming of existence is: energy consumption is large, and in the particularly little load operation time, the equipment own loss is large;
2, summer the central air-conditioning cooling, the air-cooled heat pump heat supply; Winter boiler heat supplying, the air-cooled heat pump cooling; Transition season adopts the continuity of the winter or summer method of operation.Its feature: operation of heat pump heats in high temperature, cryogenic refrigeration, and efficiency is high, but the operation of heat pump anti-season is to the quality requirement raising of himself.
Summary of the invention
The energy consumption that has the existence of the employed system of heating cooling occasion now is large in order to overcome, the equipment sole mass requires the shortcomings such as high, and the utility model provides a kind of novel energy-conserving four seasons cooling heating system.
The technical solution adopted in the utility model is:
Novel energy-conserving four seasons cooling heating system comprises cooling tower, handpiece Water Chilling Units, boiler and constant temperature and humidity unit, and described handpiece Water Chilling Units comprises condenser and evaporimeter, and described constant temperature and humidity unit comprises chilled water coil and hot-water coil pipe; Between described cooling tower and the described condenser, between described evaporimeter and the described chilled water coil, all connect and compose the loop by pipeline between described hot-water coil pipe and the described boiler, it is characterized in that: also comprise a bypass circulation in parallel with described cooling tower, described bypass circulation is provided with plate type heat exchanger.
Further, described cooling tower delivery port is connected with described condenser water inlet by one second control valve and cooling water pump, and described condenser delivery port is connected with described cooling tower water inlet by one first control valve;
Described evaporimeter delivery port is connected with the water inlet of described chilled water coil by one the 7th control valve and chilled water pump, and the delivery port of described chilled water coil is connected with the water inlet of described evaporimeter by one the 6th control valve;
The delivery port of described hot-water coil pipe is connected with the water inlet of described boiler by one the 8th control valve and boiler water pump, and the delivery port of described boiler is connected with the water inlet of described hot-water coil pipe by one the 9th control valve.
Further, described plate type heat exchanger one side is provided with a water inlet pipe and an outlet pipe, and opposite side is provided with secondary water inlet pipe and secondary outlet pipe; A described outlet pipe by one the 3rd control valve and the first water circulating pump and described condenser delivery port be connected the middle part of connecting line of cooling tower water inlet and be connected, a described water inlet pipe passes through one the 5th control valve and described cooling tower delivery port and is connected the middle part of connecting line of condenser water inlet and is connected;
Described secondary water inlet pipe by 1 the 11 control valve and the 4th water circulating pump and described evaporimeter water inlet be connected the middle part of connecting line of chilled water coil delivery port and be connected, described secondary outlet pipe by 1 the 12 control valve and described chilled water coil water inlet be connected the middle part of connecting line of evaporimeter delivery port and be connected, the delivery port of described hot-water coil pipe be connected the 8th control valve connecting line middle part and described secondary outlet pipe be connected the middle part of connecting line of the 12 control valve and be connected by 1 the 13 control valve.
Further, the water inlet of described the first water circulating pump also be provided with one with described condenser delivery port be connected the first bypass line that the middle part of connecting line of cooling tower water inlet is connected, described the first bypass line is provided with the second water circulating pump and the 4th control valve, described the first bypass line one end is located on outlet pipe, and the other end is located at the middle part of described condenser delivery port and described cooling tower water inlet connecting line;
The water outlet of described the 4th water circulating pump is provided with one second bypass line, described the second bypass line comprises the 3rd water circulating pump and the tenth control valve, described the second bypass line one end is located at the middle part of the tube connector of the delivery port of described the 4th water circulating pump and described secondary water inlet pipe, and the other end is connected in the middle part of the tube connector of the water inlet of described hot-water coil pipe and the 9th control valve.
Operation principle of the present utility model is as follows:
1, summer: boiler is stopped using, and central air-conditioning is main source, and 7 ℃-12 ℃ of water temperatures are given system's cooling, and 32 ℃-37 ℃ of air conditioning cooling waters provide the hot water about 35 ℃ to make oppositely auxiliary compensation supplying heat source through the plate type heat exchanger heat exchange.Cooling water is from air-conditioning water chiller out the time approximately 37 ℃; (original system is all to send cooling tower to go heat is scattered and disappeared to atmosphere by cooling tower, and temperature is down to 32 ℃ of accent condensers that make the return trip empty again and is used, and Water flow-path is handpiece Water Chilling Units-first control valve--cooling tower-the second control valve-cooling water pump--handpiece Water Chilling Units; ) the utility model recycles cooling water waste, by a bypass circulation in parallel with cooling tower, will part (or all-according to caloric requirement) cooling water flow through a Low Temperature Difference plate type heat exchanger, heat transferred in the hot water as the auxiliary heat supplying source by plate type heat exchanger go, auxiliary source hot water is raised to about 35 ℃, the Contrary compensation thermal source of using as temperature recovery behind the air-conditioning temperature-reducing.
The both sides Water flow-path of the utility model centered by plate type heat exchanger is: primary side: plate type heat exchanger-Di five control valves-second control valve--cooling water pump--handpiece Water Chilling Units condenser-the first control valve-the 4th control valve-second water circulating pump--plate type heat exchanger; Secondary side: plate type heat exchanger-the 3rd water circulating pump-the tenth control valve--constant temperature and humidity unit hot-water coil pipe-the 13 control valve--plate type heat exchanger.
Low-temperature receiver: central air-conditioning.Its Water flow-path: handpiece Water Chilling Units evaporimeter-chilled water pump-the 7th control valve--constant temperature and humidity unit chilled water coil-the 6th control valve-handpiece Water Chilling Units evaporimeter.
2, winter: with the boiler source heat supply of deciding, central air-conditioning is stopped using.When the maximum temperature of atmosphere was lower than 15 ℃, outdoor cooling water leaving water temperature by the cooling tower cooling was not higher than 10 ℃, is not higher than 12 ℃ by the cold water temperature after the plate type heat exchanger heat exchange, came to need cooling field of employment cooling with this cold water.
The both sides Water flow-path of the utility model centered by plate type heat exchanger is: primary side: plate type heat exchanger-first water circulating pump-the 3rd control valve--cooling tower-the 5th control valve--plate type heat exchanger; Secondary side: plate type heat exchanger---the 12 control valve--constant temperature and humidity unit chilled water coil-the 11 control valve-the 4th water circulating pump--plate type heat exchanger.
Thermal source: boiler.Its Water flow-path: boiler-the 9th control valve--constant temperature and humidity unit hot-water coil pipe-the 8th control valve--boiler water pump--boiler.
Excessive season: mainly still adopt air conditioner water machine cooling, the summer means continuity of cooling water heat supply, only have when the water temperature (or heat) of cooling water after the plate type heat exchanger heat exchange can not satisfy the constant temperature and humidity system instructions for use, close the plate type heat exchanger heat-exchange system, enable air conditioner refrigerating and guarantee cooling, boiler heat supplying.For temperature or when high or low, as long as the water temperature after plate type heat exchanger is to the cooling water heat exchange and cold (heat) amount can satisfy constant temperature and humidity system cooling or intensification instructions for use, can be applied by flexible switching of pipeline valve, and boiler or Water cooled air conditioners unit just have one to can be used as for subsequent use.
Utilize cooling water and plate type heat exchanger to replace air-cooled heat pump, along supplying changes in temperature season.The a large amount of energy consumptions that do not need the operation of air-cooled heat pump cooling and warming, only a small amount of energy of need transportation water pump (air-cooled heat pump also needs water pump when using).
The beneficial effects of the utility model are embodied in: energy-saving effect is fine, can reduce the electricity consumption in rush hour, and social benefit is obvious.
Description of drawings
Fig. 1 is the utility model overall structure schematic diagram.
The specific embodiment
With reference to Fig. 1, novel energy-conserving four seasons cooling heating system comprises cooling tower 1, handpiece Water Chilling Units 2, boiler 4 and constant temperature and humidity unit 3, and described handpiece Water Chilling Units 2 comprises condenser 21 and evaporimeter 22, and described constant temperature and humidity unit 3 comprises chilled water coil 31 and hot-water coil pipe 32; Between described cooling tower 1 and the described condenser 21, between described evaporimeter 22 and the described chilled water coil 31, all connect and compose the loop by pipeline between described hot-water coil pipe 32 and the described boiler 4, it is characterized in that: also comprise a bypass circulation in parallel with described cooling tower 1, described bypass circulation is provided with plate type heat exchanger 5.
Further, described cooling tower 1 delivery port is connected with described condenser 21 water inlets by one second control valve 14 and cooling water pump 6, and described condenser 21 delivery ports are connected with described cooling tower 1 water inlet by one first control valve 13;
Described evaporimeter 22 delivery ports are connected with the water inlet of described chilled water coil 31 by one the 7th control valve 19 and chilled water pump 7, and the delivery port of described chilled water coil 31 is connected with the water inlet of described evaporimeter 22 by one the 6th control valve 18;
The delivery port of described hot-water coil pipe 32 is connected with the water inlet of described boiler 4 by one the 8th control valve 20 and boiler water pump 8, and the delivery port of described boiler 4 is connected with the water inlet of described hot-water coil pipe 32 by one the 9th control valve 23.
Further, described plate type heat exchanger 5 one sides are provided with an outlet pipe 51 and a water inlet pipe 52, and opposite side is provided with secondary water inlet pipe 53 and secondary outlet pipe 54; A described outlet pipe 51 by one the 3rd control valve 15 and the first water circulating pump 9 and described condenser 21 delivery ports be connected the middle part of connecting line of cooling tower 1 water inlet and be connected, a described water inlet pipe 52 passes through one the 5th control valve 17 and described cooling tower 1 delivery port and is connected the middle part of connecting line of condenser 21 water inlets and is connected;
Described secondary water inlet pipe 53 by 1 the 11 control valve 25 and the 4th water circulating pump 12 and described evaporimeter 22 water inlets be connected the middle part of connecting line of chilled water coil 31 delivery ports and be connected, described secondary outlet pipe 54 by 1 the 12 control valve 26 and described chilled water coil 31 water inlets be connected the middle part of connecting line of evaporimeter 22 delivery ports and be connected, the delivery port of described hot-water coil pipe 32 be connected the 8th control valve 20 connecting line middle part and described secondary outlet pipe 54 be connected the middle part of connecting line of the 12 control valve 26 and be connected by 1 the 13 control valve 27.
Further, the water inlet of described the first water circulating pump 9 also be provided with one with described condenser 21 delivery ports be connected the first bypass line that the middle part of connecting line of cooling tower 1 water inlet is connected, described the first bypass line is provided with the second water circulating pump 10 and the 4th control valve 16, described the first bypass line one end is located on outlet pipe 51, and the other end is located at the middle part of described condenser 21 delivery ports and described cooling tower 1 water inlet connecting line;
The water outlet of described the 4th water circulating pump 12 is provided with one second bypass line, described the second bypass line comprises the 3rd water circulating pump 11 and the tenth control valve 24, described the second bypass line one end is located at the middle part of the tube connector of the delivery port of described the 4th water circulating pump 12 and described secondary water inlet pipe, and the other end is connected in the middle part of the tube connector of the water inlet of described hot-water coil pipe 32 and the 9th control valve 23.
Operation principle of the present utility model is as follows:
1, summer: boiler is stopped using, and central air-conditioning is main source, and 7 ℃-12 ℃ of water temperatures are given system's cooling, and 32 ℃-37 ℃ of air conditioning cooling waters provide the hot water about 35 ℃ to make oppositely auxiliary compensation supplying heat source through the plate type heat exchanger heat exchange.Cooling water is from air-conditioning water chiller out the time approximately 37 ℃; (original system is all to send cooling tower to go heat is scattered and disappeared to atmosphere by cooling tower, temperature is down to 32 ℃ of accent condensers that make the return trip empty again and is used, and Water flow-path is handpiece Water Chilling Units the 2-the first control valve 13--cooling tower the 1-the second control valve 14-cooling water pump 6--handpiece Water Chilling Units 2; ) the utility model recycles cooling water waste, by a bypass circulation in parallel with cooling tower, will part (or all-according to caloric requirement) cooling water flow through a Low Temperature Difference plate type heat exchanger, heat transferred in the hot water as the auxiliary heat supplying source by plate type heat exchanger go, auxiliary source hot water is raised to about 35 ℃, the Contrary compensation thermal source of using as temperature recovery behind the air-conditioning temperature-reducing.
The both sides Water flow-path of the utility model centered by plate type heat exchanger is: primary side: plate type heat exchanger the 5-the five control valve the 17-the second control valve 14--cooling water pump 6--handpiece Water Chilling Units condenser the 21-the first control valve the 13-the four control valve the 16-the second water circulating pump 10--plate type heat exchanger 5; Secondary side: plate type heat exchanger the 5-the three water circulating pump the 11-the ten control valve 24--constant temperature and humidity unit hot-water coil pipe 32-the 13 control valve 27--plate type heat exchangers 5.
Low-temperature receiver: central air-conditioning.Its Water flow-path: handpiece Water Chilling Units evaporimeter 22-chilled water pump the 7-the seven control valve 19--constant temperature and humidity unit chilled water coil 31-the 6th control valve 18-handpiece Water Chilling Units evaporimeter 22.
2, winter: with the boiler source heat supply of deciding, central air-conditioning is stopped using.When the maximum temperature of atmosphere was lower than 15 ℃, outdoor cooling water leaving water temperature by the cooling tower cooling was not higher than 10 ℃, is not higher than 12 ℃ by the cold water temperature after the plate type heat exchanger heat exchange, came to need cooling field of employment cooling with this cold water.
The both sides Water flow-path of the utility model centered by plate type heat exchanger is: primary side: plate type heat exchanger the 5-the first water circulating pump the 9-the three control valve 15--cooling tower the 1-the five control valve 17--plate type heat exchanger 5; Secondary side: plate type heat exchanger 5---the 12 control valve 26--constant temperature and humidity unit chilled water coil 31-the 11 control valve the 25-the four water circulating pump 12--plate type heat exchangers 5.
Thermal source: boiler.Its Water flow-path: boiler the 4-the nine control valve 23--constant temperature and humidity unit hot-water coil pipe the 32-the eight control valve 20--boiler water pump 8--boiler 4.
Excessive season: mainly still adopt air conditioner water machine cooling, the summer means continuity of cooling water heat supply, only have when the water temperature (or heat) of cooling water after the plate type heat exchanger heat exchange can not satisfy the constant temperature and humidity system instructions for use, close the plate type heat exchanger heat-exchange system, enable air conditioner refrigerating and guarantee cooling, boiler heat supplying.For temperature or when high or low, as long as the water temperature after plate type heat exchanger is to the cooling water heat exchange and cold (heat) amount can satisfy constant temperature and humidity system cooling or intensification instructions for use, can be applied by flexible switching of pipeline valve control valve, and boiler or Water cooled air conditioners unit just have one to can be used as for subsequent use.
Utilize cooling water and plate type heat exchanger to replace air-cooled heat pump, along supplying changes in temperature season.The a large amount of energy consumptions that do not need the operation of air-cooled heat pump cooling and warming, only a small amount of energy of need transportation water pump.(air-cooled heat pump also needs water pump when using).
The described content of this specification embodiment only is enumerating the way of realization of inventive concept; protection domain of the present utility model should not be regarded as only limiting to the concrete form that embodiment states, protection domain of the present utility model also reaches the equivalent technologies means that design can be expected according to the utility model in those skilled in the art.

Claims (4)

1. novel energy-conserving four seasons cooling heating system comprises cooling tower, handpiece Water Chilling Units, boiler and constant temperature and humidity unit, and described handpiece Water Chilling Units comprises condenser and evaporimeter, and described constant temperature and humidity unit comprises chilled water coil and hot-water coil pipe; Between described cooling tower and the described condenser, between described evaporimeter and the described chilled water coil, all connect and compose the loop by pipeline between described hot-water coil pipe and the described boiler, it is characterized in that: also comprise a bypass circulation in parallel with described cooling tower, described bypass circulation is provided with plate type heat exchanger.
2. novel energy-conserving four seasons cooling heating system as claimed in claim 1, it is characterized in that: described cooling tower delivery port is connected with described condenser water inlet by one second control valve and cooling water pump, and described condenser delivery port is connected with described cooling tower water inlet by one first control valve;
Described evaporimeter delivery port is connected with the water inlet of described chilled water coil by one the 7th control valve and chilled water pump, and the delivery port of described chilled water coil is connected with the water inlet of described evaporimeter by one the 6th control valve;
The delivery port of described hot-water coil pipe is connected with the water inlet of described boiler by one the 8th control valve and boiler water pump, and the delivery port of described boiler is connected with the water inlet of described hot-water coil pipe by one the 9th control valve.
3. novel energy-conserving four seasons cooling heating system as claimed in claim 2, it is characterized in that: described plate type heat exchanger one side is provided with a water inlet pipe and an outlet pipe, and opposite side is provided with secondary water inlet pipe and secondary outlet pipe; A described outlet pipe by one the 3rd control valve and the first water circulating pump and described condenser delivery port be connected the middle part of connecting line of cooling tower water inlet and be connected, a described water inlet pipe passes through one the 5th control valve and described cooling tower delivery port and is connected the middle part of connecting line of condenser water inlet and is connected;
Described secondary water inlet pipe by 1 the 11 control valve and the 4th water circulating pump and described evaporimeter water inlet be connected the middle part of connecting line of chilled water coil delivery port and be connected, described secondary outlet pipe by 1 the 12 control valve and described chilled water coil water inlet be connected the middle part of connecting line of evaporimeter delivery port and be connected, the delivery port of described hot-water coil pipe be connected the 8th control valve connecting line middle part and described secondary outlet pipe be connected the middle part of connecting line of the 12 control valve and be connected by 1 the 13 control valve.
4. novel energy-conserving four seasons cooling heating system as claimed in claim 3, it is characterized in that: the water inlet of described the first water circulating pump also be provided with one with described condenser delivery port be connected the first bypass line that the middle part of connecting line of cooling tower water inlet is connected, described the first bypass line is provided with the second water circulating pump and the 4th control valve, described the first bypass line one end is located on outlet pipe, and the other end is located at the middle part of described condenser delivery port and described cooling tower water inlet connecting line;
The water outlet of described the 4th water circulating pump is provided with one second bypass line, described the second bypass line comprises the 3rd water circulating pump and the tenth control valve, described the second bypass line one end is located at the middle part of the tube connector of the delivery port of described the 4th water circulating pump and described secondary water inlet pipe, and the other end is connected in the middle part of the tube connector of the water inlet of described hot-water coil pipe and the 9th control valve.
CN 201220457134 2012-09-10 2012-09-10 Novel energy-saving four-season cooling and heating system Expired - Fee Related CN202835915U (en)

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Application Number Priority Date Filing Date Title
CN 201220457134 CN202835915U (en) 2012-09-10 2012-09-10 Novel energy-saving four-season cooling and heating system

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Application Number Priority Date Filing Date Title
CN 201220457134 CN202835915U (en) 2012-09-10 2012-09-10 Novel energy-saving four-season cooling and heating system

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104728979A (en) * 2015-03-27 2015-06-24 黄国和 Air-conditioning system improvement method and device for applying all-weather solar heating
CN111998574A (en) * 2020-08-25 2020-11-27 广州天萌建筑设计有限公司 Commercial complex air conditioner energy recovery method and system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104728979A (en) * 2015-03-27 2015-06-24 黄国和 Air-conditioning system improvement method and device for applying all-weather solar heating
WO2016155600A1 (en) * 2015-03-27 2016-10-06 黄国和 Method and device for improving air-conditioning system applying all-weather solar energy heat supply
CN104728979B (en) * 2015-03-27 2017-04-05 黄国和 A kind of Renovation of air-conditioning system method and apparatus of application all-weather solar heat supply
US10260763B2 (en) 2015-03-27 2019-04-16 Hunan Dongyou Water Vapor Energy Heat Pump Manufacturing Co., Ltd. Method and apparatus for retrofitting an air conditioning system using all-weather solar heating
CN111998574A (en) * 2020-08-25 2020-11-27 广州天萌建筑设计有限公司 Commercial complex air conditioner energy recovery method and system

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Granted publication date: 20130327

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