CN105571204A - Direct-fired machine and solar energy coupled full-automatic cooling, heating and hot water supplying system - Google Patents
Direct-fired machine and solar energy coupled full-automatic cooling, heating and hot water supplying system Download PDFInfo
- Publication number
- CN105571204A CN105571204A CN201610114161.2A CN201610114161A CN105571204A CN 105571204 A CN105571204 A CN 105571204A CN 201610114161 A CN201610114161 A CN 201610114161A CN 105571204 A CN105571204 A CN 105571204A
- Authority
- CN
- China
- Prior art keywords
- water
- control valve
- boiler
- conditioner
- central air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
-
- 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
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/002—Machines, plants or systems, using particular sources of energy using solar energy
-
- 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
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/02—Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
-
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
-
- 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
- F25B2500/00—Problems to be solved
- F25B2500/05—Cost reduction
-
- 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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
-
- 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a direct-fired machine and solar energy coupled full-automatic cooling, heating and hot water supplying system. The shortcomings that most of hot water systems and cooling and heating systems are low in energy utilization rate, high in running cost, poor in economy and poor in energy-saving effect, cannot be controlled automatically and the like are overcome well, a fully automatically controlled hot water system, a hot water tank automatic cleaning system, a direct-fired machine region cooling and heating system and the like are designed to improve the energy utilization rate of the whole system, and functions of the whole system are enriched and improved. The direct-fired machine and solar energy coupled full-automatic cooling, heating and hot water supplying system is multifunctional, good in performance, low in investment, good in economy and relatively low in running cost, can be controlled fully automatically, and has obvious energy-saving effect in an actual running process.
Description
Technical field
The invention belongs to region energy supply and hot-water heating system field, be specifically related to full-automatic cooling (heat) that a kind of Central Air-Conditioner is coupled with solar energy and hot-water supply system.
Background technology
At present, common region energy supply technology type mainly contains cold, heat and electricity triple supply, water resource heat pump, earth source heat pump, sewage source heat pump etc., and subregion energy supplying system energy utilization rate is lower, causes energy waste.Hot-water heating system form is varied, and the technology coverage rate adopted is wider.Common hot-water heating system has solar water heating system, heat pump hot-water system, electrical heating small water-heating system etc., in addition, part hot-water heating system have employed two kinds and two or more technology types, such as solar energy coupling air heat pump hot-water heating system, the compound heat pump hot water supply system of afterheat recovery type multi-heat source etc.In region energy supply and hot-water heating system field, multiple technologies merge and can realize one of the system trend becoming future development of automation, intelligentized control method.
There is following problem in existing energy supply technology: common electric heating hot water firing rate is slow, easily scaling, waste of energy greatly, mainly for sole user, can not meet the demand of zone user; For solar energy coupling air heat pump hot-water heating system, because winter air temperature is low, the performance that can have a strong impact on; For the compound heat pump hot-water system of multi-heat source, because thermal source is more, system investments cost is high, and economy is poor; Subregion energy supply system and hot-water heating system also underuse the energy, and energy utilization rate is lower, and energy-saving effect is poor; Most of hot-water heating system cannot realize automation, intelligentized control method, and operating cost is high.
Summary of the invention
For the problems referred to above, the invention provides one and Central Air-Conditioner and solar energy are coupled, cooling (heat) and the hot-water supply system of Automatic Control can be realized.Technical scheme of the present invention is as follows:
The full-automatic cooling (heat) that Central Air-Conditioner is coupled with solar energy and a hot-water supply system, comprise Central Air-Conditioner, solar water heater, boiler;
The delivery port one of described Central Air-Conditioner is connected with the water inlet one of boiler by direct combustion pusher side hot water electrical control valve, and the delivery port one of described boiler is connected with the water inlet one of Central Air-Conditioner by check-valves two, direct combustion pusher side water circulating pump and Central Air-Conditioner water inlet electric control valve;
The delivery port two of described Central Air-Conditioner, by air-conditioning side water circulating pump access user crosswind coiler, flows into the water inlet two of Central Air-Conditioner after the circulation of user's crosswind coiler;
The delivery port of described solar water heater is connected with the water inlet two of boiler by solar water heater side electric control valve, and the delivery port two of described boiler is connected with the water inlet of solar water heater by check-valves one and solar water heater side water circulating pump;
The delivery port three of described boiler is by user side hot-water circulating pump and electric control valve three access user side hot water end, and user side hot water end is connected with the entrance three of boiler by electric control valve two;
Be provided with delivery port four in the bottom of described boiler, and be connected with drain valve;
Intake at direct combustion pusher side water circulating pump and Central Air-Conditioner and be provided with pipeline between electric control valve and be connected with the water inlet four of described boiler;
Further, high-temperature flue gas plate type heat exchanger is provided with at the outlet flue of Central Air-Conditioner, the pipeline leading to high-temperature flue gas plate type heat exchanger is provided with between check-valves two and direct combustion pusher side water circulating pump, and high-temperature flue gas plate type heat exchanger water inlet electric control valve is provided with in high-temperature flue gas plate type heat exchanger porch, the delivery port of high-temperature flue gas plate type heat exchanger is connected with boiler by direct combustion pusher side hot water electrical control valve; High-temperature flue gas plate type heat exchanger can heat the normal-temperature water flowed in high temperature plate type heat exchanger by direct combustion pusher side water replanishing device, control valve one, electric control valve one, and hot water flows in boiler through direct combustion pusher side hot water electrical control valve again;
Further, the pipeline of direct combustion pusher side water circulating pump is provided with direct combustion pusher side water replanishing device, described direct combustion pusher side water replanishing device is connected with direct combustion pusher side water circulating pump by control valve one, electric control valve one;
Further, the pipeline of solar water heater side water circulating pump is provided with solar water heater side water replanishing device, described solar water heater side water replanishing device is connected with solar water heater side water circulating pump by control valve two, electric control valve four;
Further, solar water heater side temperature sensor, boiler temperature sensor and direct combustion pusher side temperature sensor is also provided with;
Meanwhile, the invention provides the autocontrol method that a kind of Central Air-Conditioner is coupled with solar energy, this method comprises following control method: (represented by the temperature of solar water heater T1, the temperature of boiler represent with T2)
(1) control method of direct combustion pusher side:
When a, hotwell level are lower than middle liquid level, open electric control valve one moisturizing;
B, when boiler temperature T2 lower than supply water setting minimum temperature time, Central Air-Conditioner automatically starts and heats normal-temperature water;
(2) control method of solar water heater side:
A, arrange intensity of illumination sensor, automatically start solar water heater when intensity of illumination reaches setting value, intensity of illumination closes solar water heater automatically lower than during setting value;
Under b, the prerequisite of opening at solar water heater, detect boiler liquid level;
When boiler liquid level is lower than high liquid level, opens electric control valve four and carry out moisturizing, when T1 is lower than set temperature, turns electric control valve four down and reduce rate of water make-up, when T1 is higher than set temperature, tunes up electric control valve four and increase rate of water make-up;
C, when boiler liquid level attains to a high place, close electric control valve four and stop moisturizing, start solar water heater side water circulating pump;
The temperature of contrast T1 and T2, as T1 > T2, solar water heater side water circulating pump continues to run;
Again contrast T1 and T2 temperature, as T1≤T2, solar water heater side out of service water circulating pump;
The concrete control logic of hot-water heating system of the present invention is completed by (1) and (2).When Central Air-Conditioner runs, cooling (heat) system brings into operation.
Beneficial effect of the present invention is as follows: better solve most hot-water heating system, energy utilization rate that cooling (heat) system exists is low, operating cost is high, less economical, energy-saving effect is poor, can not realize the defects such as automatically control, whole system energy utilization rate is improved, the function having enriched whole system perfect by 3 systems such as design Automatic Control hot-water heating system, boiler automatic cleaning system, Central Air-Conditioner district cooling (heat) systems.The full-automatic cooling (heat) that a kind of Central Air-Conditioner is coupled with solar energy and hot-water supply system function is many, better performances, investment are low, can realize Automatic Control, good economy performance, operating cost are relatively low, in actual moving process, energy-saving effect is obvious.
(1) be coupled with Central Air-Conditioner by solar water heater, energy utilization rate improves.This invention takes full advantage of the multiple clean energy resource form such as solar energy and fuel gas, is coupled by solar water heater system with Central Air-Conditioner supplying hot water and cooling (heat) system, can feasible region supplying hot water and cooling (heat).In addition, two all right isolated operations of system, also can provide hot water and cold (heat) service for small area user.
(2) make full use of Central Air-Conditioner waste heat flue gas, effectively avoid energy waste.In hot-water heating system, by increasing this equipment of high temperature plate type heat exchanger 29, the flue gas being about 160 DEG C of being discharged by Central Air-Conditioner fully utilizes, and heats, while adding hot water supply source, also effectively prevent the waste of the energy to normal-temperature water.
(3) adopt Automatic Control technology, whole system can realize automatic control, and operating cost is low.The hot-water heating system that this invention comprises, Central Air-Conditioner district cooling (heat) system, boiler automatic cleaning system are all full-automatic control systems, effectively reduce the operating cost of whole system.
(4) boiler adopts automatic cleaning technology, prevents its fouling, available protecting hot-water heating system, improves hot-water heating system performance.By increasing cleaning water inlet electric control valve 30 and these two equipment of electronic drain valve 22, regularly automatically can clean boiler, efficiently solving the technical problems such as boiler fouling.
(5) actual motion energy-saving effect is obvious.This invention has been successfully applied in the project of Changsha, hot-water heating system, Central Air-Conditioner district cooling (heat) system, boiler automatic cleaning system normal operation; Can Automatic Control be realized, can rationally open Central Air-Conditioner, solar water heater according to number of users; Boiler automatic cleaning system normal operation, can realize periodic cleaning, and cleaning performance is good; Whole system energy-saving effect is remarkable, and the actual running results shows: whole system energy-saving effect is remarkable.
Accompanying drawing explanation
Fig. 1 is complete schematic of the present invention.
Fig. 2 is the schematic diagram of Automatic Control hot-water heating system in the present invention.
Fig. 3 is the automatic control flow chart figure of hot-water heating system of the present invention.
Fig. 4 is the schematic diagram of boiler automatic cleaning system in the present invention.
Fig. 5 is the schematic diagram of region energy supplying system in the present invention.
Drawing reference numeral illustrates: air-conditioning side water circulating pump 1, Central Air-Conditioner 2, Central Air-Conditioner water inlet electric control valve 3, direct combustion pusher side water circulating pump 4, electric control valve 1, control valve 1, direct combustion pusher side water replanishing device 7, direct combustion pusher side temperature sensor 8, electric control valve 29, user 10, user's crosswind coiler 11, user side hot water end 12, boiler temperature sensor 13, boiler 14, electric control valve 3 15, user side hot-water circulating pump 16, solar water heater side electric control valve 17, solar water heater side temperature sensor 18, solar water heater 19, intensity of illumination sensor 20, solar water heater side water circulating pump 21, drain valve 22, electric control valve 4 23, control valve 2 24, solar water heater side water replanishing device 25, check-valves 1, check-valves 2 27, direct combustion pusher side hot water electrical control valve 28 and high-temperature flue gas plate type heat exchanger 29, cleaning water inlet electric control valve 30, high-temperature flue gas plate type heat exchanger water inlet electric control valve 31, air-conditioning side aqueduct 32, air-conditioning side water return pipeline 33.
Figure hollow core arrow represents water (flow) direction, and filled arrows represents flue gas throughput direction.
Detailed description of the invention
Below in conjunction with accompanying drawing, specific embodiments of the invention are described in detail, (figure hollow core arrow represents water (flow) direction as shown in the figure, filled arrows represents flue gas throughput direction), the full-automatic cooling (heat) that Central Air-Conditioner is coupled with solar energy and a hot-water supply system, comprise Central Air-Conditioner 2, solar water heater 19, boiler 14;
The delivery port one of described Central Air-Conditioner 2 is connected with the water inlet one of boiler 14 by direct combustion pusher side hot water electrical control valve 28, and the delivery port one of described boiler 14 is connected with the water inlet one of Central Air-Conditioner 2 by check-valves 2 27, direct combustion pusher side water circulating pump 4 and Central Air-Conditioner water inlet electric control valve 3;
The delivery port two of described Central Air-Conditioner 2, by air-conditioning side water circulating pump 1 access user crosswind coiler 11, flows into the water inlet two of Central Air-Conditioner 2 after the circulation of user's crosswind coiler 11;
The delivery port of described solar water heater 19 is connected with the water inlet two of boiler 14 by solar water heater side electric control valve 17, and the delivery port two of described boiler 14 is connected with the water inlet of solar water heater 19 by check-valves 1 and solar water heater side water circulating pump 21;
The delivery port three of described boiler 14 is by user side hot-water circulating pump 16 and electric control valve 3 15 access user side hot water end 12, and user side hot water end 12 is connected with the water inlet three of boiler 14 by electric control valve 29;
Be provided with delivery port four in the bottom of described boiler 14, and be connected with drain valve 22;
Intake at direct combustion pusher side water circulating pump 4 and Central Air-Conditioner and be provided with pipeline between electric control valve 3 and be connected with the water inlet four of described boiler 14;
The pipeline of direct combustion pusher side water circulating pump 4 is provided with direct combustion pusher side water replanishing device 7, and described direct combustion pusher side water replanishing device 7 is connected with direct combustion pusher side water circulating pump 4 by control valve 1, electric control valve 1;
The pipeline of solar water heater side water circulating pump 21 is provided with solar water heater side water replanishing device 25, and described solar water heater side water replanishing device 25 is connected with solar water heater side water circulating pump 21 by control valve 2 24, electric control valve 4 23,
High-temperature flue gas plate type heat exchanger 29 is provided with at the outlet flue of Central Air-Conditioner, the pipeline leading to high-temperature flue gas plate type heat exchanger 29 is provided with between check-valves 2 27 and direct combustion pusher side water circulating pump 4, and high-temperature flue gas plate type heat exchanger water inlet electric control valve 31 is provided with in high-temperature flue gas plate type heat exchanger 29 porch, the outlet of high-temperature flue gas plate type heat exchanger 29 is connected with boiler 14 by direct combustion pusher side hot water electrical control valve 28; High-temperature flue gas plate type heat exchanger 29 can heat the normal-temperature water flowed in high temperature plate type heat exchanger by direct combustion pusher side water replanishing device, control valve one, electric control valve one, and hot water flows in boiler through direct combustion pusher side hot water electrical control valve again;
In addition, solar water heater side temperature sensor 18, boiler temperature sensor 13 and direct combustion pusher side temperature sensor 8 is also provided with.
The present invention comprises altogether 3 subsystems: (1) solar energy and Central Air-Conditioner coupling, can realize automatic control, the hot-water heating system that energy utilization rate is high; (2) boiler automatic cleaning system; (3) Central Air-Conditioner district cooling (heat) system.
See Fig. 1, for hot-water heating system, thermal water source one has three: a, under illumination condition, when intensity of illumination sensor 20 reaches setting value, solar water heater 19 starts, and solar water heater side water circulating pump 21 runs, and normal-temperature water will enter in solar water heater 19 by water heater side, solar energy side water replanishing device 25, control valve 2 24, electric control valve 4 23 successively, after heating, hot water will flow in boiler 14 through solar water heater side electric control valve 17; When b, Central Air-Conditioner 2 start, direct combustion pusher side water circulating pump 4 runs, normal-temperature water will be entered in Central Air-Conditioner 2 heated by direct combustion pusher side water replanishing device 7, control valve 1, electric control valve 1, Central Air-Conditioner water inlet electric control valve 3 successively, and heat will flow in boiler 14 through direct combustion pusher side hot water electrical control valve 28; C, when Central Air-Conditioner 2 runs, its high-temperature residual heat flue-gas temperature produced is about 160 DEG C, waste heat flue gas will heat the normal-temperature water flowed in high temperature plate type heat exchanger 29 by direct combustion pusher side water replanishing device 7, control valve 1, electric control valve 1, and hot water flows in boiler 14 through direct combustion pusher side hot water electrical control valve 28 again; The hot water produced by a, b, c tri-thermal water sources is pooled in boiler 14, when user side hot-water circulating pump 16 runs, the hot water in boiler 14 will flow into user side hot water end 12 for user by user side hot-water circulating pump 16, electric control valve 3 15 and provide hot water service.
See Fig. 1, for district cooling (heat) system, when Central Air-Conditioner 2 runs, its height (low) warm water produced can flow in user's crosswind coiler through air-conditioning side water circulating pump 1, for user provides cold (heat) to serve.
See Fig. 2, the hot-water heating system comprised in the present invention is the full-automatic control system be coupled to Central Air-Conditioner and solar energy.Hot-water heating system is primarily of Central Air-Conditioner 2, Central Air-Conditioner water inlet electric control valve 3, direct combustion pusher side water circulating pump 4, electric control valve 1, control valve 1, direct combustion pusher side water replanishing device 7, direct combustion pusher side temperature sensor 8, electric control valve 29, user side hot water end 12, boiler temperature sensor 13, boiler 14, electric control valve 3 15, user side hot-water circulating pump 16, solar water heater side electric control valve 17, solar water heater side temperature sensor 18, solar water heater 19, intensity of illumination sensor 20, solar water heater side water circulating pump 21, electric control valve 4 23, control valve 2 24, solar water heater side water replanishing device 25, check-valves 1, check-valves 2 27, direct combustion pusher side hot water electrical control valve 28 and high-temperature flue gas plate type heat exchanger 29 form.
See Fig. 3, for convenience of description, solar water heater side temperature sensor 18 T1 is represented, boiler temperature sensor 13 represents with T2.In the present invention, the concrete control logic of hot-water heating system is: when (1) direct combustion pusher side: a, boiler 14 water level are lower than middle liquid level, open 5 moisturizings; B, boiler 14 set temperature sensor T2, when the minimum temperature that T2 temperature sets lower than water supply, Central Air-Conditioner 2 automatically starts and heats normal-temperature water.(2) solar water heater side: a, intensity of illumination sensor 20 is set, automatically start solar water heater 19 when intensity of illumination reaches setting value, intensity of illumination closes solar water heater 19 automatically lower than during setting value; Under b, the prerequisite of opening at solar water heater 19, detect boiler 14 liquid level.When boiler 14 liquid level is lower than high liquid level, opens electric control valve 4 23 and carry out moisturizing, when T1 is lower than set temperature, turns electric control valve 4 23 down and reduce rate of water make-up, when T1 is higher than set temperature, tunes up electric control valve 4 23 and increase rate of water make-up; C, when boiler 14 liquid level attains to a high place, close electric control valve 4 23 and stop moisturizing, start solar water heater side water circulating pump 21.The temperature of contrast T1 and T2, as T1 > T2, solar water heater side water circulating pump 21 continues to run, and again contrasts T1 and T2 temperature, as T1≤T2, solar water heater side out of service water circulating pump 21.The concrete control logic of hot-water heating system of the present invention is completed by (1) and (2).When Central Air-Conditioner 2 runs, cooling (heat) system brings into operation.
See Fig. 4, boiler automatic cleaning system comprises Central Air-Conditioner water inlet electric control valve 3, direct combustion pusher side water circulating pump 4, electric control valve 1, control valve 1, direct combustion pusher side water replanishing device 7, electric control valve 29, boiler 14, user side hot-water circulating pump 16, solar water heater side electric control valve 17, drain valve 22, check-valves 2 27, direct combustion pusher side hot water electrical control valve 28, cleaning water inlet electric control valve 30, high-temperature flue gas plate type heat exchanger water inlet electric control valve 31.After boiler runs a period of time, easy fouling bottom it, in particular for the boiler of district heating water, its volume is comparatively large, the easier fouling in bottom, in order to prevent the generation of this problem, needs regularly to clean boiler.
See Fig. 4, the operation principle of boiler automatic cleaning system of the present invention is: when needing cleaning boiler, closes Central Air-Conditioner water inlet electric control valve 3, electric control valve 29, boiler 14, user side hot-water circulating pump 16, solar water heater side electric control valve 17, check-valves 2 27, direct combustion pusher side hot water electrical control valve 28 and high-temperature flue gas plate type heat exchanger water inlet electric control valve 31 simultaneously; Run direct combustion pusher side water circulating pump 4, open direct combustion pusher side water replanishing device 7, control valve 1, electric control valve 1, cleaning water inlet electric control valve 30 and drain valve 22 simultaneously; Hollow arrow represents water (flow) direction, normal-temperature water flows in boiler through direct combustion pusher side water replanishing device 7, control valve 1, electric control valve 1, cleaning water inlet electric control valve 30 successively, because drain valve 22 is opened, the foreign material of boiler 14 bottom deposit will be gone out by drain valve 22 by normal-temperature water, thus prevent boiler 14 from not cleaning and producing scale problems for a long time.
See Fig. 5, Central Air-Conditioner district cooling (heat) system comprised in the present invention forms primarily of air-conditioning side water circulating pump 1, Central Air-Conditioner 2, Central Air-Conditioner water inlet electric control valve 3, direct combustion pusher side water circulating pump 4, electric control valve 1, control valve 1, direct combustion pusher side water replanishing device 7, user 10, user's crosswind coiler 11, air-conditioning side aqueduct 32 and air-conditioning side water return pipeline 33.
See Fig. 5, the operation principle of Central Air-Conditioner district cooling (heat) system is: hollow arrow represents water (flow) direction, Central Air-Conditioner 2 starts, direct combustion pusher side water circulating pump 4 runs, normal-temperature water can pass through direct combustion pusher side water replanishing device 7 successively, control valve 1, electric control valve 1, Central Air-Conditioner water inlet electric control valve 3 flows in Central Air-Conditioner 2, after Central Air-Conditioner 2 processes, high (low) warm water can through air-conditioning side aqueduct 32, air-conditioning side water circulating pump 1 flows into and is installed in user's crosswind coiler 11 of user 10 end, for user provides cold (heat) to serve, backwater is carried out by air-conditioning side water return pipeline 33.
This invention has been successfully applied in the project of Changsha, hot-water heating system, Central Air-Conditioner district cooling (heat) system, boiler automatic cleaning system normal operation; Can Automatic Control be realized, can rationally open Central Air-Conditioner, solar water heater according to number of users; Boiler automatic cleaning system normal operation, can realize periodic cleaning, and cleaning performance is good; Whole system energy-saving effect is remarkable, and the actual running results shows: whole system energy-saving effect is remarkable.
More than to invention has been exemplary description; obvious realization of the present invention is not subject to the restrictions described above; as long as have employed the various improvement that technical solution of the present invention is carried out; or design of the present invention and technical scheme directly applied to other occasion, all in protection scope of the present invention without to improve.
Claims (6)
1. the full-automatic cooling (heat) that is coupled with solar energy of Central Air-Conditioner and hot-water supply system, is characterized in that, comprise Central Air-Conditioner (2), solar water heater (19), boiler (14);
The delivery port one of described Central Air-Conditioner (2) is connected with the water inlet one of boiler (14) by direct combustion pusher side hot water electrical control valve (28), and the delivery port one of described boiler (14) is connected with the water inlet one of Central Air-Conditioner (2) by check-valves two (27), direct combustion pusher side water circulating pump (4) and Central Air-Conditioner water inlet electric control valve (3);
The delivery port two of described Central Air-Conditioner (2), by air-conditioning side water circulating pump (1) access user crosswind coiler (11), flows into the water inlet two of Central Air-Conditioner (2) after the circulation of user's crosswind coiler (11);
The delivery port of described solar water heater (19) is connected with the water inlet two of boiler (14) by solar water heater side electric control valve (17), and the delivery port two of described boiler (14) is connected with the water inlet of solar water heater (19) by check-valves one (26) and solar water heater side water circulating pump (21);
The delivery port three of described boiler (14) is by user side hot-water circulating pump (16) and electric control valve three (15) access user side hot water end (12), and user side hot water end (12) is connected by the water inlet three of electric control valve two (9) with boiler (14);
Be provided with delivery port four in the bottom of described boiler (14), and be connected with drain valve (22);
Intake at direct combustion pusher side water circulating pump (4) and Central Air-Conditioner and be provided with pipeline between electric control valve (3) and be connected with the water inlet four of described boiler (14).
2. the full-automatic cooling (heat) that is coupled with solar energy of a kind of Central Air-Conditioner according to claim 1 and hot-water supply system, it is characterized in that, high-temperature flue gas plate type heat exchanger (29) is provided with at the outlet flue of Central Air-Conditioner, the pipeline leading to high-temperature flue gas plate type heat exchanger (29) is provided with between check-valves two (27) and direct combustion pusher side water circulating pump (4), and high-temperature flue gas plate type heat exchanger water inlet electric control valve (31) is provided with in high-temperature flue gas plate type heat exchanger (29) porch, the delivery port of high-temperature flue gas plate type heat exchanger (29) is connected with boiler (14) by direct combustion pusher side hot water electrical control valve (28).
3. the full-automatic cooling (heat) that is coupled with solar energy of Central Air-Conditioner according to claim 2 and hot-water supply system, it is characterized in that, the pipeline of direct combustion pusher side water circulating pump (4) is provided with direct combustion pusher side water replanishing device (7), and described direct combustion pusher side water replanishing device (7) is connected with direct combustion pusher side water circulating pump (4) by control valve one (6), electric control valve one (5).
4. the full-automatic cooling (heat) that is coupled with solar energy of Central Air-Conditioner according to claim 2 and hot-water supply system, it is characterized in that, the pipeline of solar water heater side water circulating pump (21) is provided with solar water heater side water replanishing device (25), and described solar water heater side water replanishing device (25) is connected with solar water heater side water circulating pump (21) by control valve two (24), electric control valve four (23).
5. the full-automatic cooling (heat) that the Central Air-Conditioner according to claim 3 or 4 is coupled with solar energy and hot-water supply system, it is characterized in that, be also provided with solar water heater side temperature sensor (18), boiler temperature sensor (13) and direct combustion pusher side temperature sensor (8).
6. the autocontrol method that is coupled with solar energy of Central Air-Conditioner, is characterized in that, comprise following control method: (represented by the temperature of solar water heater T1, the temperature of boiler represent with T2);
(1) control method of direct combustion pusher side:
When a, boiler (14) water level are lower than middle liquid level, open electric control valve one (5) moisturizing;
B, when the minimum temperature of boiler temperature T2 lower than setting of supplying water, Central Air-Conditioner (2) automatically starts and heats normal-temperature water;
(2) control method of solar water heater side:
A, arrange intensity of illumination sensor 20, automatically start solar water heater (19) when intensity of illumination reaches setting value, intensity of illumination is lower than automatically closing solar water heater (19) during setting value;
Under b, the prerequisite of opening at solar water heater (19), detect boiler (14) liquid level;
When boiler (14) liquid level is lower than high liquid level, open electric control valve four (23) and carry out moisturizing, when T1 is lower than set temperature, turns electric control valve four (23) down and reduce rate of water make-up, when T1 is higher than set temperature, tunes up electric control valve four (23) and increase rate of water make-up;
C, when boiler (14) liquid level attains to a high place, close electric control valve four (23) stop moisturizing, start solar water heater side water circulating pump (21);
The temperature of contrast T1 and T2, as T1 > T2, solar water heater side water circulating pump (21) continues to run;
Again contrast T1 and T2 temperature, as T1≤T2, solar water heater side water circulating pump (21) out of service.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610114161.2A CN105571204A (en) | 2016-03-01 | 2016-03-01 | Direct-fired machine and solar energy coupled full-automatic cooling, heating and hot water supplying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610114161.2A CN105571204A (en) | 2016-03-01 | 2016-03-01 | Direct-fired machine and solar energy coupled full-automatic cooling, heating and hot water supplying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105571204A true CN105571204A (en) | 2016-05-11 |
Family
ID=55881622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610114161.2A Pending CN105571204A (en) | 2016-03-01 | 2016-03-01 | Direct-fired machine and solar energy coupled full-automatic cooling, heating and hot water supplying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105571204A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080092875A1 (en) * | 2006-10-19 | 2008-04-24 | Elcal Research, Llc | Active thermal energy storage system |
| CN201177412Y (en) * | 2008-03-11 | 2009-01-07 | 东华大学 | Solar energy auxiliary absorption type direct combustion machine heat-recovering cold and hot water units |
| CN201203297Y (en) * | 2008-05-04 | 2009-03-04 | 东华大学 | Solar auxiliary direct combustion type cold and hot water machine unit |
| US20100031953A1 (en) * | 2008-08-07 | 2010-02-11 | Krassimire Mihaylov Penev | Hybrid Water Heating System |
| DE102009040842A1 (en) * | 2009-09-09 | 2011-03-10 | Kellermann Stephan, Dipl.-Ing. | High-efficient solar-supported fuel value-storage heater for liquid or gaseous fuel to produce e.g. thermal heat for space heating in building, has cold zone with heating gas that is cooled at temperatures below return temperature |
| CN102506472A (en) * | 2011-09-29 | 2012-06-20 | 浙江工商大学 | Multi-energy driving cooling and heating air conditioner water heater all-in-one machine |
| KR101392467B1 (en) * | 2013-01-04 | 2014-05-07 | 노수테크(주) | Heating and cooling system using new renewable energy |
| CN205448402U (en) * | 2016-03-01 | 2016-08-10 | 中节能先导城市节能有限公司 | Full -automatic cooling / heat and heating water system of direct -fired machine and solar energy coupling |
-
2016
- 2016-03-01 CN CN201610114161.2A patent/CN105571204A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080092875A1 (en) * | 2006-10-19 | 2008-04-24 | Elcal Research, Llc | Active thermal energy storage system |
| CN201177412Y (en) * | 2008-03-11 | 2009-01-07 | 东华大学 | Solar energy auxiliary absorption type direct combustion machine heat-recovering cold and hot water units |
| CN201203297Y (en) * | 2008-05-04 | 2009-03-04 | 东华大学 | Solar auxiliary direct combustion type cold and hot water machine unit |
| US20100031953A1 (en) * | 2008-08-07 | 2010-02-11 | Krassimire Mihaylov Penev | Hybrid Water Heating System |
| DE102009040842A1 (en) * | 2009-09-09 | 2011-03-10 | Kellermann Stephan, Dipl.-Ing. | High-efficient solar-supported fuel value-storage heater for liquid or gaseous fuel to produce e.g. thermal heat for space heating in building, has cold zone with heating gas that is cooled at temperatures below return temperature |
| CN102506472A (en) * | 2011-09-29 | 2012-06-20 | 浙江工商大学 | Multi-energy driving cooling and heating air conditioner water heater all-in-one machine |
| KR101392467B1 (en) * | 2013-01-04 | 2014-05-07 | 노수테크(주) | Heating and cooling system using new renewable energy |
| CN205448402U (en) * | 2016-03-01 | 2016-08-10 | 中节能先导城市节能有限公司 | Full -automatic cooling / heat and heating water system of direct -fired machine and solar energy coupling |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101165432B (en) | Intelligentized light energy heat pump type cold-hot water energy-saving machine set and control method | |
| CN201476169U (en) | Bathwater heating device recovering and utilizing waste bathwater heat | |
| CN203177289U (en) | Air source heat pump fuel gas comprehensive heating system | |
| CN202101331U (en) | Heat pump water-heating system using central air-conditioner cooling water and low-temperature flue gas afterheat | |
| CN203177284U (en) | Terrestrial heat source and gas combined type heating supply system | |
| CN206234896U (en) | A kind of solar energy, burnt gas wall hanging furnace and floor heating set heating system | |
| CN105546842B (en) | Efficient solar flat-board endothermic system | |
| CN104456689A (en) | Replaceable phase change heat storage device and waste heat recycling device thereof | |
| CN204574236U (en) | A kind of secondary publilc baths waste water recycling system with Self-cleaning system | |
| CN205448402U (en) | Full -automatic cooling / heat and heating water system of direct -fired machine and solar energy coupling | |
| CN207975720U (en) | A kind of electric boiler and solar united use heating installation | |
| CN106152822A (en) | A kind of bathroom residual neat recovering system using direct-fired sorption type heat pump and method | |
| CN203501309U (en) | Heat exchange station intelligent-control energy-saving device | |
| CN106931630B (en) | Novel intelligence hot and cold water mixing constant temperature heat supply device | |
| CN205980854U (en) | Adopt direct combustion formula to absorb bathroom waste heat recovery system of heat pump | |
| CN105571204A (en) | Direct-fired machine and solar energy coupled full-automatic cooling, heating and hot water supplying system | |
| CN203177294U (en) | Light panel solar energy and fuel gas combined type heat supply system | |
| CN103256716A (en) | Method and device for recovering retention heat of gas heating water heater | |
| CN209639098U (en) | Step heats multi-energy complementation type water and recycles ground heating system host | |
| CN208871902U (en) | A kind of green energy conservation moving energy station provided multiple forms of energy to complement each other | |
| CN205536587U (en) | Hot -water tank automatic cleaning system of direct -fired machine and solar energy coupling cooling / thermal system | |
| CN205783707U (en) | Space can central authorities' boiling system | |
| CN102679432A (en) | Floor heating system using air source hybrid power | |
| CN204630088U (en) | Air energy and solar united three-tank hot water supply apparatus | |
| CN217178891U (en) | Bathing water preparation system with multiple heat sources for heating in coordination |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160511 |
|
| WD01 | Invention patent application deemed withdrawn after publication |