CN103968441B - A kind of multimode positive displacement heat-exchange system and heat exchange processing method thereof - Google Patents
A kind of multimode positive displacement heat-exchange system and heat exchange processing method thereof Download PDFInfo
- Publication number
- CN103968441B CN103968441B CN201410224438.8A CN201410224438A CN103968441B CN 103968441 B CN103968441 B CN 103968441B CN 201410224438 A CN201410224438 A CN 201410224438A CN 103968441 B CN103968441 B CN 103968441B
- Authority
- CN
- China
- Prior art keywords
- water
- thermal source
- heat
- heating
- feed
- 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.)
- Active
Links
Abstract
The invention provides a kind of multimode positive displacement heat-exchange system and heat exchange processing method thereof, this multimode positive displacement heat-exchange system set heating and domestic hot-water's heat supply are in one, without the heat-exchange system that individually designed two sets are different, just can be passed through by a set of heat-exchange system to switch multiple-working mode, either concurrently or separately to provide heating and domestic hot-water's heat supply, so that the heat-exchange system overall structure of supply heating and domestic hot-water is simplified, overall volume is reduced, can help reduce system hardware equipment cost and take up an area construction cost, and, there is provided under the mode of operation that domestic hot-water and heating are supplied water at the same time, compared to existing general heat-exchange system, the multimode positive displacement heat-exchange system of the present invention and heat exchange processing method thereof are also equipped with higher overall efficiency, can help to reduce system energy consumption, therefore multimode positive displacement heat-exchange system of the present invention and the heat exchange processing method of how pattern that possesses thereof have the prospect that well promote the wider application。
Description
Technical field
The present invention relates to air-conditioning technical and heating technical field, be specifically related to a kind of multimode positive displacement heat-exchange system and heat exchange processing method thereof。
Background technology
Hot-water boiler, solar thermal collector etc., be to provide the conventional thermal source supply equipment of heating and domestic hot-water。In existing heat-exchange system, according to heat supply design specification, boiler is generally at about 95 DEG C as the supply water temperature of thermal source, when end heating equipment supplies water as middle warm water, heating supply water temperature in heating water supply loop is generally between 75 DEG C～85 DEG C, interval higher than the supply water temperature of domestic hot-water 45 DEG C～60 DEG C, therefore it is typically necessary and is supplied respectively to heating and domestic hot-water by the two different heat-exchange systems of set；And when end heating equipment supplies water as low-temperature water heating, in heating water supply loop, water temperature is generally between 40 DEG C～50 DEG C, although interval with the supply water temperature of domestic hot-water 45 DEG C～60 DEG C very close to, but need dependence from the life cold water of life cold water supply line as water recharging with due to the supply of domestic hot-water, it is thus desirable to consider that the life cold water newly filled into affects for the temperature of heating water supply loop, the two different heat-exchange systems of set are therefore generally also relied on to be supplied respectively to heating and domestic hot-water。Owing to needing two to overlap different heat-exchange systems, the structure resulting in heating system is complex, overall construction cost correspondingly increases, the overall volume of heating system equipment is also comparatively huge simultaneously, needing to build the heat supply machine room of larger area, therefore its hardware device cost and occupation of land construction cost are all higher。In addition, in Heat Supply Engineering lectotype selection, due to guarding of designer, the load of boiler generally takes the 65%～70% of building load, but the flow of water pump calculates according to boiler rated load, thus adding system quantity of circulating water and pump head, system is caused to be run when big flow, the little temperature difference。Meanwhile, the unreasonable type selecting of end-equipment and the improper problem that all can produce big flow, the little temperature difference of the operational management of heating system。Flow system flow increases, and corresponding unit and pump power increase therewith, and the leaving water temperature of boiler reduces, and water pump and boiler inevitably drop a job in poor efficiency；Simultaneously flow is big, having a narrow range of temperature causes that the flow rate of hot water in heat supply pipeline increases, and the resistance of whole pipe network changes, pipe network dysequilibrium so that heating system near-end is warm, and far-end is cold, and causes the relatively low situation of the efficiency of thermal source supply equipment, and system is not energy-conservation。
Summary of the invention
For above shortcomings in prior art, it is an object of the invention to provide and a kind of gather heating and domestic hot-water's heat supply and in one and allow hand over the multimode positive displacement heat-exchange system of multiple-working mode, heat-exchange system structure to solve to supply in prior art heating and domestic hot-water is complicated, bulky, hardware device cost and take up an area the problem that construction cost is higher, and promote the overall efficiency of heat-exchange system, to help to reduce system energy consumption。
For solving above-mentioned technical problem, present invention employs following technological means:
A kind of multimode positive displacement heat-exchange system, including thermal source water-feed, heating water supply loop and volumetric heat exchanger；Described volumetric heat exchanger has thermal source feedwater heat exchange cavity, thermal source backwater mixing chamber, life water outlet cavity and heat exchange processing and control element (PCE)；One end of described thermal source feedwater heat exchange cavity is provided with the thermal source water supply water inlet pipe that the thermal source feed water inlet with thermal source water-feed is connected, the other end is connected with thermal source backwater mixing chamber and life water outlet cavity respectively, and the communication path between thermal source feedwater heat exchange cavity and life water outlet cavity is provided with the first electric-controlled switch valve；Middle part in thermal source feedwater heat exchanging chamber body is provided with heating heat-exchange coil pipe, the water inlet of described heating heat-exchange coil pipe and outlet are respectively communicated to be arranged on the heating backwater water inlet pipe on thermal source feedwater heat exchanging chamber body sidewall and heating water supply outlet pipe, wherein, the relatively close thermal source water supply water inlet pipe of heating water supply outlet pipe and being connected with the heating feed water inlet of heating water supply loop, heating backwater water inlet pipe is relatively distant from thermal source water supply water inlet pipe and is connected with the heating water return outlet of heating water supply loop, and is provided with the second electric-controlled switch valve on heating backwater water inlet pipe；Described life water outlet cavity is communicated with the domestic hot-water's outlet pipe to domestic hot-water's supply channel away from one end of thermal source feedwater heat exchange cavity, and is provided with electronic flowmeter on domestic hot-water's outlet pipe；Described thermal source backwater mixing chamber is additionally provided with, near the side of thermal source feedwater heat exchange cavity, the life cold water inlet being connected with life cold water supply line, and is provided with automatically controlled flow control valve on life cold water inlet；Thermal source backwater mixing chamber is provided with, away from the side of thermal source feedwater heat exchange cavity, the thermal source backwater outlet pipe that the thermal source water return outlet with thermal source water-feed is connected；And the medium position place of thermal source backwater mixing chamber is connected by the middle part of mixed flow communicating passage with life water outlet cavity；The Valve controlling outfan of described heat exchange processing and control element (PCE) electrically connects with the first electric-controlled switch valve and the second electric-controlled switch valve respectively, for providing control input operation, and according to controlling input operation, the first electric-controlled switch valve and the second electric-controlled switch valve are carried out on-off control；And the flow signal acquisition end of heat exchange processing and control element (PCE) electrically connects with the flow signal outfan of electronic flowmeter, the flow-control outfan of heat exchange processing and control element (PCE) electrically connects with the control signal input of automatically controlled flow control valve, for the traffic conditions according to electronic flowmeter collection, automatically controlled flow control valve is carried out flow-control so that the flow of inlet water of life cold water inlet is consistent with the water flow of domestic hot-water's outlet pipe。
As the improvement project on above-mentioned multimode positive displacement heat-exchange system basis, also including heating agent water-feed, the supply water temperature of described heating agent water-feed is not less than presetting minimum heat supply temperature T0；It is additionally provided with temperature sensor and heating agent heat exchange coil near the side of thermal source water supply water inlet pipe in the thermal source feedwater heat exchanging chamber body of described volumetric heat exchanger；The water inlet of described heating agent heat exchange coil and outlet are respectively communicated to be arranged on the heating agent water supply water inlet pipe on thermal source feedwater heat exchanging chamber body sidewall and heating agent backwater outlet pipe, wherein, heating agent water supply water inlet pipe is connected with the heating agent feed water inlet of heating agent water-feed, heating agent backwater outlet pipe is connected with the heating agent water return outlet of heating agent water-feed, and is provided with the 3rd electric-controlled switch valve on heating agent water supply water inlet pipe；The temperature signal collection end of described heat exchange processing and control element (PCE) electrically connects with the temperature signal outfan of temperature sensor, the Valve controlling outfan of heat exchange processing and control element (PCE) also electrically connects with the 3rd electric-controlled switch valve, for judging that temperature that temperature sensor gathers is lower than presetting minimum heat supply temperature T0In time, controls to open the 4th electric-controlled switch valve, heating agent water-feed is allowed to supply water to heating agent heat exchange coil, the water near thermal source water supply water inlet pipe place that the thermal source of volumetric heat exchanger fed water in heat exchanging chamber body heat so that the water temperature at the interior close thermal source water supply water inlet pipe place of thermal source feedwater heat exchanging chamber body is not less than presetting minimum heat supply temperature T0。
As the improvement project on above-mentioned multimode positive displacement heat-exchange system basis, in the thermal source feedwater heat exchanging chamber body of described volumetric heat exchanger, it is additionally provided with temperature sensor and auxiliary electro-heat pipe near the side of thermal source water supply water inlet pipe；The temperature signal collection end of described heat exchange processing and control element (PCE) electrically connects with the temperature signal outfan of temperature sensor, the electric heating control output end of heat exchange processing and control element (PCE) electrically connects with the on off control input of auxiliary electro-heat pipe, for judging that temperature that temperature sensor gathers is lower than presetting minimum heat supply temperature T0In time, controls to open auxiliary electro-heat pipe and is heated so that in the thermal source of volumetric heat exchanger feedwater heat exchanging chamber body, the water temperature near thermal source water supply water inlet pipe place is not less than presetting minimum heat supply temperature T0。
Correspondingly, present invention also offers above-mentioned multimode positive displacement heat-exchange system heat exchange processing method under different working modes。For this, present invention employs following technological means:
A kind of heat exchange processing method of above-mentioned multimode positive displacement heat-exchange system, for providing domestic hot-water to domestic hot-water's supply channel, and provides heat exchange to heating water supply loop simultaneously；The method is particularly as follows: the heat exchange processing and control element (PCE) of operation volumetric heat exchanger controls the first electric-controlled switch valve and the second electric-controlled switch valve is opened, and according to the traffic conditions of electronic flowmeter collection on domestic hot-water's outlet pipe, the automatically controlled flow control valve on life cold water inlet being carried out flow-control by the heat exchange processing and control element (PCE) of volumetric heat exchanger so that the flow of inlet water of life cold water inlet is consistent with the water flow of domestic hot-water's outlet pipe；Open the heating water pump in the waterway circulating pump of thermal source water-feed and heating water supply loop simultaneously；Under the waterway circulating pumping action of thermal source water-feed, hot water is provided in heat exchanging chamber body fed water by thermal source water supply water inlet pipe to the thermal source of volumetric heat exchanger from thermal source feed water inlet by thermal source water-feed, simultaneously under the heating water pumping action in heating water supply loop, after heating water in heating water supply loop enters the heating heat-exchange coil pipe of volumetric heat exchanger from heating backwater water inlet pipe, then it is back to heating water supply loop from heating water supply outlet pipe；Enter the hot water of thermal source feedwater heat exchange cavity and flow through after the heating water in heating heat-exchange coil pipe position and heating heat-exchange coil pipe carries out heat exchange, separately flow into thermal source backwater mixing chamber and life water outlet cavity；Wherein, flowed into the hot water of thermal source backwater mixing chamber by thermal source feedwater heat exchange cavity and form mixing water after the cold water mix of life cold water inlet entrance thermal source backwater mixing chamber, domestic hot-water supply water negative pressure and thermal source water-feed backwater suction function under, mixing water flows to mixed flow communicating passage and thermal source backwater outlet pipe more respectively；The mixing water being flowed to mixed flow communicating passage by thermal source backwater mixing chamber enters life water outlet cavity, after again mixing with the hot water being flowed into life water outlet cavity by thermal source feedwater heat exchange cavity, flow out from domestic hot-water's outlet pipe, provide domestic hot-water to domestic hot-water's supply channel；The mixing water being flowed to thermal source backwater outlet pipe by thermal source backwater mixing chamber is then back to thermal source water-feed by thermal source water return outlet。
A kind of heat exchange processing method of above-mentioned multimode positive displacement heat-exchange system, for only providing domestic hot-water to domestic hot-water's supply channel；The method is particularly as follows: the heat exchange processing and control element (PCE) of operation volumetric heat exchanger controls the first electric-controlled switch valve and the second electric-controlled switch valve cuts out, and according to the traffic conditions of electronic flowmeter collection on domestic hot-water's outlet pipe, the automatically controlled flow control valve on life cold water inlet being carried out flow-control by the heat exchange processing and control element (PCE) of volumetric heat exchanger so that the flow of inlet water of life cold water inlet is consistent with the water flow of domestic hot-water's outlet pipe；Open the waterway circulating pump of thermal source water-feed simultaneously；Under the waterway circulating pumping action of thermal source water-feed, hot water is provided in heat exchanging chamber body fed water by thermal source water supply water inlet pipe to the thermal source of volumetric heat exchanger from thermal source feed water inlet by thermal source water-feed, hot water flows into thermal source backwater mixing chamber from thermal source feedwater heat exchange cavity, mixing water is formed with after the cold water mix from life cold water inlet entrance thermal source backwater mixing chamber, domestic hot-water supply water negative pressure and thermal source water-feed backwater suction function under, mixing water flows to mixed flow communicating passage and thermal source backwater outlet pipe more respectively；Flow out from domestic hot-water's outlet pipe flowed to the mixing water entrance life water outlet cavity of mixed flow communicating passage by thermal source backwater mixing chamber after, provide domestic hot-water to domestic hot-water's supply channel；The mixing water being flowed to thermal source backwater outlet pipe by thermal source backwater mixing chamber is then back to thermal source water-feed by thermal source water return outlet。
A kind of heat exchange processing method of above-mentioned multimode positive displacement heat-exchange system, for only providing heat exchange to heating water supply loop；The method particularly as follows: the heat exchange processing and control element (PCE) of operation volumetric heat exchanger controls, open, the first electric-controlled switch valve cuts out by the second electric-controlled switch valve, and when the water outlet of domestic hot-water's outlet pipe does not provide domestic hot-water to domestic hot-water's supply channel, controlled the automatically controlled flow control valve on life cold water inlet by the heat exchange processing and control element (PCE) of volumetric heat exchanger according to the traffic conditions that electronic flowmeter on domestic hot-water's outlet pipe gathers to end so that the water inlet path of life cold water inlet disconnects；Open the heating water pump in the waterway circulating pump of thermal source water-feed and heating water supply loop simultaneously；Under the waterway circulating pumping action of thermal source water-feed, hot water is provided in heat exchanging chamber body fed water by thermal source water supply water inlet pipe to the thermal source of volumetric heat exchanger from thermal source feed water inlet by thermal source water-feed, simultaneously under the heating water pumping action in heating water supply loop, after heating water in heating water supply loop enters the heating heat-exchange coil pipe of volumetric heat exchanger from heating backwater water inlet pipe, then it is back to heating water supply loop from heating water supply outlet pipe；Enter the hot water of thermal source feedwater heat exchange cavity and flow through after the heating water in heating heat-exchange coil pipe position and heating heat-exchange coil pipe carries out heat exchange, flow into thermal source backwater mixing chamber, under the backwater suction function of thermal source water-feed, it is back to thermal source water-feed by thermal source backwater outlet pipe from thermal source water return outlet。
Compared to prior art, the method have the advantages that
1, the multimode positive displacement heat-exchange system of the present invention, set heating and domestic hot-water's heat supply are in one, and allow hand over multiple-working mode, heat exchange only by a volumetric heat exchanger processes, heating and domestic hot-water's heat supply just can be either concurrently or separately provided, the heat-exchange system overall structure making supply heating and domestic hot-water is simplified, it is possible to help reduce system hardware equipment cost and take up an area construction cost。
2, the multimode positive displacement heat-exchange system of the present invention, there is provided under the mode of operation that domestic hot-water and heating are supplied water at the same time, hot water after directly adopting heating heat-exchange and cold water mix provide domestic hot-water, domestic hot-water is provided compared to heating cold water by heat exchange mode, decrease the hot water loss of unit, also reduce the return water temperature of boiler simultaneously, boiler operating efficiency is increased, avoid the big flow of system simultaneously, the running status of the little temperature difference, water circulating pump is made to run at high efficiency point place, the power consumption of actual motion and power consumption are less than traditional heating and hot water supply system's, therefore increase in the heat source side entirety efficiency of multimode positive displacement heat-exchange system, can help to reduce system energy consumption。
3, the multimode positive displacement heat-exchange system of the present invention, ancillary heating equipment can also be set up in multimode positive displacement heat-exchange system of the present invention, and control the unlatching of ancillary heating equipment, closedown by temperature detection, to guarantee that multimode positive displacement heat-exchange system ensure that heating and domestic hot-water's heat supply reach heat supply temperature requirement in varied situations。
4, the multimode positive displacement heat-exchange system of the present invention and the heat exchange processing method of various modes that possesses thereof, solve that the heat-exchange system structure supplying heating and domestic hot-water in prior art is complicated, bulky well, hardware device cost and take up an area the problem that construction cost is higher, the overall efficiency of heat-exchange system can also be promoted, there is the prospect that well promote the wider application。
Accompanying drawing explanation
Fig. 1 is the structural representation of multimode a kind of detailed description of the invention of positive displacement heat-exchange system of the present invention。
Fig. 2 is a kind of structural representation improving embodiment of multimode positive displacement heat-exchange system of the present invention。
Fig. 3 is the structural representation that multimode positive displacement heat-exchange system another kind of the present invention improves embodiment。
Detailed description of the invention
Below in conjunction with drawings and Examples, technical scheme is described further。
It is an object of the invention to provide a kind of multimode positive displacement heat-exchange system, it is made to gather heating and domestic hot-water's heat supply in one, and allow hand over multiple-working mode, either concurrently or separately to provide heating and domestic hot-water's heat supply, the heat-exchange system overall structure making supply heating and domestic hot-water is simplified, can help reduce system hardware equipment cost and take up an area construction cost, and then solution prior art supplies the heat-exchange system structure complexity of heating and domestic hot-water, bulky, the problem that hardware device cost is higher with taking up an area construction cost。
The unitary construction of multimode positive displacement heat-exchange system of the present invention is as it is shown in figure 1, it mainly includes thermal source water-feed 200, heating water supply loop 300 and volumetric heat exchanger 100。Wherein, thermal source water-feed 200 and heating water supply loop 300 can keep existing structure constant；Volumetric heat exchanger 100 in multimode positive displacement heat-exchange system of the present invention then have employed integrated structure visibly different with prior art。This volumetric heat exchanger 100 has thermal source feedwater heat exchange cavity 110, thermal source backwater mixing chamber 120, life water outlet cavity 130 and heat exchange processing and control element (PCE) (heat exchange processing and control element (PCE) omits not shown in FIG)。Wherein, one end of thermal source feedwater heat exchange cavity 110 is provided with the thermal source water supply water inlet pipe 111 that the thermal source feed water inlet with thermal source water-feed 200 is connected, the other end is connected with thermal source backwater mixing chamber 120 and life water outlet cavity 130 respectively, and the communication path between thermal source feedwater heat exchange cavity 110 and life water outlet cavity 130 is provided with the first electric-controlled switch valve 140；Middle part in thermal source feedwater heat exchange cavity 110 is provided with heating heat-exchange coil pipe 112, the water inlet of heating heat-exchange coil pipe 112 and outlet are respectively communicated to be arranged on the heating backwater water inlet pipe 114 on thermal source feedwater heat exchange cavity 110 sidewall and heating water supply outlet pipe 113, wherein, the relatively close thermal source water supply water inlet pipe 111 of heating water supply outlet pipe 113 and being connected with the heating feed water inlet of heating water supply loop 300, heating backwater water inlet pipe 114 is relatively distant from thermal source water supply water inlet pipe 111 and is connected with the heating water return outlet of heating water supply loop 300, and on heating backwater water inlet pipe 114, it is provided with the second electric-controlled switch valve 150。Life water outlet cavity 130 is communicated with the domestic hot-water's outlet pipe 131 to domestic hot-water's supply channel away from one end of thermal source feedwater heat exchange cavity 110, and is provided with electronic flowmeter 160 on domestic hot-water's outlet pipe 131。And thermal source backwater mixing chamber 120 is additionally provided with, near the side of thermal source feedwater heat exchange cavity 110, the life cold water inlet 121 being connected with life cold water supply line, and on life cold water inlet 121, it is provided with automatically controlled flow control valve 170；Thermal source backwater mixing chamber 120 is provided with, away from the side of thermal source feedwater heat exchange cavity 110, the thermal source backwater outlet pipe 122 that the thermal source water return outlet with thermal source water-feed 200 is connected；And the medium position place of thermal source backwater mixing chamber 120 is connected by the middle part of mixed flow communicating passage 123 with life water outlet cavity 130。In system, the Valve controlling outfan of heat exchange processing and control element (PCE) electrically connects with the first electric-controlled switch valve 140 and the second electric-controlled switch valve 150 respectively, for providing control input operation, and according to controlling input operation, the first electric-controlled switch valve 140 and the second electric-controlled switch valve 150 are carried out on-off control；And the flow signal acquisition end of heat exchange processing and control element (PCE) electrically connects with the flow signal outfan of electronic flowmeter 160, the flow-control outfan of heat exchange processing and control element (PCE) electrically connects with the control signal input of automatically controlled flow control valve 170, automatically controlled flow control valve 170 is carried out flow-control by the traffic conditions for gathering according to electronic flowmeter 160 so that the flow of inlet water of life cold water inlet 121 is consistent with the water flow of domestic hot-water's outlet pipe 131。
The multimode positive displacement heat-exchange system of the present invention, allow hand over multiple-working mode, heat exchange only by a volumetric heat exchanger processes, and just can either concurrently or separately provide heating and domestic hot-water's heat supply, and the switching control of mode of operation is convenient to。Below by different embodiments, different working modes and heat exchange processing procedure thereof to multimode positive displacement heat-exchange system of the present invention are illustrated。
Embodiment one:
Utilize the multimode positive displacement heat-exchange system of the present invention, provide domestic hot-water to domestic hot-water's supply channel, and during simultaneously to the offer heat exchange of heating water supply loop, its heat exchange processing procedure is specific as follows:
The heat exchange processing and control element (PCE) of operation volumetric heat exchanger controls the first electric-controlled switch valve and the second electric-controlled switch valve is opened, and according to the traffic conditions of electronic flowmeter collection on domestic hot-water's outlet pipe, the automatically controlled flow control valve on life cold water inlet being carried out flow-control by the heat exchange processing and control element (PCE) of volumetric heat exchanger so that the flow of inlet water of life cold water inlet is consistent with the water flow of domestic hot-water's outlet pipe；Open the heating water pump in the waterway circulating pump of thermal source water-feed and heating water supply loop simultaneously。Since thus, under the waterway circulating pumping action of thermal source water-feed, hot water is provided in heat exchanging chamber body fed water by thermal source water supply water inlet pipe to the thermal source of volumetric heat exchanger from thermal source feed water inlet by thermal source water-feed, simultaneously under the heating water pumping action in heating water supply loop, after heating water in heating water supply loop enters the heating heat-exchange coil pipe of volumetric heat exchanger from heating backwater water inlet pipe, then it is back to heating water supply loop from heating water supply outlet pipe；Enter the hot water of thermal source feedwater heat exchange cavity and flow through after the heating water in heating heat-exchange coil pipe position and heating heat-exchange coil pipe carries out heat exchange, separately flow into thermal source backwater mixing chamber and life water outlet cavity；Wherein, flowed into the hot water of thermal source backwater mixing chamber by thermal source feedwater heat exchange cavity and form mixing water after the cold water mix of life cold water inlet entrance thermal source backwater mixing chamber, domestic hot-water supply water negative pressure and thermal source water-feed backwater suction function under, mixing water flows to mixed flow communicating passage and thermal source backwater outlet pipe more respectively；The mixing water being flowed to mixed flow communicating passage by thermal source backwater mixing chamber enters life water outlet cavity, after again mixing with the hot water being flowed into life water outlet cavity by thermal source feedwater heat exchange cavity, flow out from domestic hot-water's outlet pipe, provide domestic hot-water to domestic hot-water's supply channel；The mixing water being flowed to thermal source backwater outlet pipe by thermal source backwater mixing chamber is then back to thermal source water-feed by thermal source water return outlet。
By above-mentioned heat exchange handling process, it can be seen that the multimode positive displacement heat-exchange system of the present invention provides domestic hot-water to domestic hot-water's supply channel, and provides heat exchange to heating water supply loop simultaneously。In this process, hot water by thermal source water-feed supply to volumetric heat exchanger, after entering thermal source feedwater heat exchange cavity, first flow through heating heat-exchange coil pipe position, after carrying out heat exchange with the heating water in heating heat-exchange coil pipe in thermal source feeds water heat exchanging chamber body, improving the temperature of heating water, hot water temperature is able to reduce for the first time；If the actual hot water temperature according to the supply of thermal source water-feed, conservative control flows through the heating water flow of heating heat-exchange coil pipe, just can so that the heating water supply water temperature after heat exchange heats up reaches presetting temperature requirement (such as controlling between 75 DEG C～85 DEG C)。And simultaneously, owing to the supply water temperature of domestic hot-water requires between 45～60 DEG C, the hot water temperature after heat exchange is carried out also at about 70 DEG C with heating heat-exchange coil pipe in thermal source feedwater heat exchanging chamber body, mixing water is formed after these hot water parts and the cold water mix of life cold water inlet entrance thermal source backwater mixing chamber, after another part mixes again with mixing water, flow out from domestic hot-water's outlet pipe, thus reduce so that hot water temperature is able to second time with again mixing of cold water, can so that domestic hot-water's supply water temperature of multimode positive displacement heat-exchange system meets the requirement lower than heating water supply water temperature；If the actual hot water temperature according to the supply of thermal source water-feed, the water supply flow of conservative control thermal source water-feed, just can so that the domestic hot-water's outlet pipe amassing calmly formula heat exchanger provides domestic hot-water's temperature to reach presetting temperature requirement to domestic hot-water's supply channel, and can pass through that the water outlet of domestic hot-water's outlet pipe is mixed the modes such as cold water again again to be lowered the temperature, with the requirement of satisfied different domestic hot-water's supply water temperatures。In system, life cold water supply line can be various ways, for instance can be tap water supply pipeline, it is also possible to be the supply channel of self-built reservoir, etc.。Moreover, providing at the same time under the mode of operation that domestic hot-water and heating are supplied water, compared to existing general heat-exchange system, the multimode positive displacement heat-exchange system of the present invention is also equipped with higher overall efficiency, it is possible to help to reduce system energy consumption。Because the multimode positive displacement heat-exchange system of the present invention directly adopt heating heat-exchange after hot water and cold water mix to provide domestic hot-water, domestic hot-water is provided compared to heating cold water by heat exchange mode, decrease the hot water loss of unit, also reduce the return water temperature of boiler simultaneously, boiler operating efficiency is increased, avoid the big flow of system simultaneously, the running status of the little temperature difference, water circulating pump is made to run at high efficiency point place, the power consumption of actual motion and power consumption are less than traditional heating and hot water supply system's, therefore increase in the heat source side entirety efficiency of multimode positive displacement heat-exchange system, can help to reduce system energy consumption。In addition, why the multimode positive displacement heat-exchange system of the present invention needs according to the traffic conditions of electronic flowmeter collection on domestic hot-water's outlet pipe, the automatically controlled flow control valve on life cold water inlet to be carried out flow-control by the heat exchange processing and control element (PCE) of volumetric heat exchanger, the flow of inlet water making life cold water inlet is consistent with the water flow of domestic hot-water's outlet pipe, being because thermal source water-feed to the water supply flow of volumetric heat exchanger is consistent all the time with thermal source water-feed from the circling water flow rate that volumetric heat exchanger is drawn back, the flow controlling life cold water inlet entrance cold water again is consistent with the water flow of domestic hot-water's outlet pipe, just can so that the water inlet total flow of volumetric heat exchanger can be kept in balance all the time with water outlet total flow。
Embodiment two:
Utilizing the multimode positive displacement heat-exchange system of the present invention, time only to domestic hot-water's supply channel offer domestic hot-water, its heat exchange processing procedure is specific as follows:
The heat exchange processing and control element (PCE) of operation volumetric heat exchanger controls the first electric-controlled switch valve and the second electric-controlled switch valve cuts out, and according to the traffic conditions of electronic flowmeter collection on domestic hot-water's outlet pipe, the automatically controlled flow control valve on life cold water inlet being carried out flow-control by the heat exchange processing and control element (PCE) of volumetric heat exchanger so that the flow of inlet water of life cold water inlet is consistent with the water flow of domestic hot-water's outlet pipe；Open the waterway circulating pump of thermal source water-feed simultaneously。Since thus, under the waterway circulating pumping action of thermal source water-feed, hot water is provided in heat exchanging chamber body fed water by thermal source water supply water inlet pipe to the thermal source of volumetric heat exchanger from thermal source feed water inlet by thermal source water-feed, hot water flows into thermal source backwater mixing chamber from thermal source feedwater heat exchange cavity, mixing water is formed with after the cold water mix from life cold water inlet entrance thermal source backwater mixing chamber, domestic hot-water supply water negative pressure and thermal source water-feed backwater suction function under, mixing water flows to mixed flow communicating passage and thermal source backwater outlet pipe more respectively；Flow out from domestic hot-water's outlet pipe flowed to the mixing water entrance life water outlet cavity of mixed flow communicating passage by thermal source backwater mixing chamber after, provide domestic hot-water to domestic hot-water's supply channel；The mixing water being flowed to thermal source backwater outlet pipe by thermal source backwater mixing chamber is then back to thermal source water-feed by thermal source water return outlet。
By above-mentioned heat exchange handling process, it can be seen that the multimode positive displacement heat-exchange system of the present invention only provides domestic hot-water to domestic hot-water's supply channel。In this process, the hot water provided to volumetric heat exchanger by thermal source water-feed, after the heat exchange cavity that feeds water from thermal source flows into thermal source backwater mixing chamber, after forming mixing water after the cold water mix from life cold water inlet entrance thermal source backwater mixing chamber, flow out from domestic hot-water's outlet pipe of life water outlet cavity, thus with cold water mix, it is possible to make domestic hot-water's supply water temperature of multimode positive displacement heat-exchange system be minimized；If the actual hot water temperature according to the supply of thermal source water-feed, the water supply flow of conservative control thermal source water-feed, just can so that the domestic hot-water's outlet pipe amassing calmly formula heat exchanger provides domestic hot-water's temperature to reach presetting temperature requirement to domestic hot-water's supply channel, and can pass through that the water outlet of domestic hot-water's outlet pipe is mixed the modes such as cold water again again to be lowered the temperature, with the requirement of satisfied different domestic hot-water's supply water temperatures。In this process, the flow of inlet water controlling to make life cold water inlet by the heat exchange processing and control element (PCE) of volumetric heat exchanger is consistent with the water flow of domestic hot-water's outlet pipe, can keep in balance all the time with water outlet total flow also for the water inlet total flow making volumetric heat exchanger。
Embodiment three:
Utilizing the multimode positive displacement heat-exchange system of the present invention, time only to the offer heat exchange of heating water supply loop, its heat exchange processing procedure is specific as follows:
Operation volumetric heat exchanger heat exchange processing and control element (PCE) control the second electric-controlled switch valve open, first electric-controlled switch valve close, and when the water outlet of domestic hot-water's outlet pipe does not provide domestic hot-water to domestic hot-water's supply channel, controlled the automatically controlled flow control valve on life cold water inlet by the heat exchange processing and control element (PCE) of volumetric heat exchanger according to the traffic conditions that electronic flowmeter on domestic hot-water's outlet pipe gathers to end so that the water inlet path of life cold water inlet disconnects；Open the heating water pump in the waterway circulating pump of thermal source water-feed and heating water supply loop simultaneously。Since thus, under the waterway circulating pumping action of thermal source water-feed, hot water is provided in heat exchanging chamber body fed water by thermal source water supply water inlet pipe to the thermal source of volumetric heat exchanger from thermal source feed water inlet by thermal source water-feed, simultaneously under the heating water pumping action in heating water supply loop, after heating water in heating water supply loop enters the heating heat-exchange coil pipe of volumetric heat exchanger from heating backwater water inlet pipe, then it is back to heating water supply loop from heating water supply outlet pipe；Enter the hot water of thermal source feedwater heat exchange cavity and flow through after the heating water in heating heat-exchange coil pipe position and heating heat-exchange coil pipe carries out heat exchange, flow into thermal source backwater mixing chamber, under the backwater suction function of thermal source water-feed, it is back to thermal source water-feed by thermal source backwater outlet pipe from thermal source water return outlet。
By above-mentioned heat exchange handling process, it can be seen that the multimode positive displacement heat-exchange system of the present invention only provides heat exchange to heating water supply loop。In this process, by the hot water of thermal source water-feed supply to volumetric heat exchanger, after entering thermal source feedwater heat exchange cavity, flow through heating heat-exchange coil pipe position, after carrying out heat exchange with the heating water in heating heat-exchange coil pipe in thermal source feeds water heat exchanging chamber body, improve the temperature of heating water；If the actual hot water temperature according to the supply of thermal source water-feed, conservative control flows through the heating water flow of heating heat-exchange coil pipe, just can so that the heating water supply water temperature after heat exchange heats up reaches presetting temperature requirement (such as controlling between 75 DEG C～85 DEG C)。In the process, owing to the water flow of domestic hot-water's outlet pipe of volumetric heat exchanger is zero, under the flow-control of heat exchange processing and control element (PCE), automatically controlled flow control valve on volumetric heat exchanger life cold water inlet is controlled cut-off, therefore life cold water inlet also there is no cold water and enters thermal source backwater mixing chamber, so under the mode of operation only providing heating to supply water, the Inlet and outlet water of volumetric heat exchanger is water supply and the backwater of thermal source water-feed。
The explanation of the summary overall structure to multimode positive displacement heat-exchange system of the present invention and heat exchange handling process, it can be seen that, the multimode positive displacement heat-exchange system set heating of the present invention and domestic hot-water's heat supply are in one, without the heat-exchange system that individually designed two sets are different, just can be passed through by a set of heat-exchange system to switch multiple-working mode, either concurrently or separately to provide heating and domestic hot-water's heat supply, so that the heat-exchange system overall structure of supply heating and domestic hot-water is simplified, overall volume is reduced, can help reduce system hardware equipment cost and take up an area construction cost；Further, providing at the same time under the mode of operation that domestic hot-water and heating are supplied water, compared to existing general heat-exchange system, the multimode positive displacement heat-exchange system of the present invention is also equipped with higher overall efficiency, it is possible to help to reduce system energy consumption。
In addition, consider that the thermal source water-feed that different regions adopt is different, such as some adopt solar thermal collector as the area of thermal source water-feed, probably due to the seasonality of solar energy and Temporal changes, the hot water temperature of its supply is unstable, possibly even occur that hot-water supply temperature is too low, it is impossible to be effectively ensured heating and domestic hot-water's heat supply reaches the situation of heat supply temperature requirement。For this, as multimode positive displacement heat-exchange system of the present invention further improvement on the basis of the above, ancillary heating equipment can also be set up in multimode positive displacement heat-exchange system of the present invention, and control the unlatching of ancillary heating equipment, closedown by temperature detection, to guarantee that multimode positive displacement heat-exchange system ensure that heating and domestic hot-water's heat supply reach heat supply temperature requirement in varied situations。
A kind of embodiment of this improvement project is as in figure 2 it is shown, on the basis of the multimode positive displacement heat-exchange system shown in Fig. 1, set up heating agent water-feed 400 in systems, and the supply water temperature of this heating agent water-feed 400 is not less than presetting minimum heat supply temperature T0(such as require minimum heat supply temperature T0It it is 75 DEG C)。Temperature sensor 115 and heating agent heat exchange coil 116 is also set up near the side of thermal source water supply water inlet pipe 111 in the thermal source feedwater heat exchange cavity 110 of volumetric heat exchanger 100；The water inlet of heating agent heat exchange coil 116 and outlet are respectively communicated to be arranged on the heating agent water supply water inlet pipe 117 on thermal source feedwater heat exchange cavity 110 sidewall and heating agent backwater outlet pipe 118, wherein, heating agent water supply water inlet pipe 117 is connected with the heating agent feed water inlet of heating agent water-feed 400, heating agent backwater outlet pipe 118 is connected with the heating agent water return outlet of heating agent water-feed 400, and is provided with the 3rd electric-controlled switch valve 180 on heating agent water supply water inlet pipe 117；The temperature signal collection end of the heat exchange processing and control element (PCE) of volumetric heat exchanger 100 electrically connects with the temperature signal outfan of temperature sensor 115, the Valve controlling outfan of heat exchange processing and control element (PCE) also electrically connects with the 3rd electric-controlled switch valve 180, for judging that temperature that temperature sensor 115 gathers is lower than presetting minimum heat supply temperature T0In time, controls to open the 3rd electric-controlled switch valve 180, heating agent water-feed 400 is allowed to supply water to heating agent heat exchange coil 116, the interior water near thermal source water supply water inlet pipe 111 place of thermal source feedwater heat exchange cavity 110 of volumetric heat exchanger 100 is heated so that in thermal source feedwater heat exchange cavity 110, the water temperature near thermal source water supply water inlet pipe 111 place is not less than presetting minimum heat supply temperature T0。In multimode positive displacement heat-exchange system shown in Fig. 2, other label implication is identical with Fig. 1。Thus, when temperature sensor detects that in the thermal source being supplied into volumetric heat exchanger by thermal source water-feed feedwater heat exchanging chamber body, the hot water temperature of close thermal source water supply water inlet pipe is lower than minimum heat supply temperature T0When, heat exchange processing and control element (PCE) then controls to open the 3rd electric-controlled switch valve immediately, heating agent water-feed is allowed to supply water to heating agent heat exchange coil, the water near thermal source water supply water inlet pipe place that the thermal source of volumetric heat exchanger fed water in heat exchanging chamber body heats, promote hot water temperature, better to ensure that heating and domestic hot-water's heat supply disclosure satisfy that heat supply temperature requirement。
The another embodiment of this improvement project is as shown in Figure 3, on the basis of the multimode positive displacement heat-exchange system shown in Fig. 1, set up temperature sensor 115 and auxiliary electro-heat pipe 119 near the side of thermal source water supply water inlet pipe 111 in the thermal source feedwater heat exchange cavity 110 of volumetric heat exchanger 100 in systems；The temperature signal collection end of the heat exchange processing and control element (PCE) of volumetric heat exchanger 100 electrically connects with the temperature signal outfan of temperature sensor 115, the electric heating control output end of heat exchange processing and control element (PCE) electrically connects with the on off control input of auxiliary electro-heat pipe 119, for judging that temperature that temperature sensor 115 gathers is lower than presetting minimum heat supply temperature T0(such as require minimum heat supply temperature T0It being 75 DEG C) time controls to open auxiliary electro-heat pipe 119 and is heated so that and in the thermal source of volumetric heat exchanger 100 feedwater heat exchange cavity 110, the water temperature near thermal source water supply water inlet pipe 111 place is not less than presetting minimum heat supply temperature T0。In multimode positive displacement heat-exchange system shown in Fig. 3, other label implication is identical with Fig. 1。Thus, when temperature sensor detects that in the thermal source being supplied into volumetric heat exchanger by thermal source water-feed feedwater heat exchanging chamber body, the hot water temperature of close thermal source water supply water inlet pipe is lower than minimum heat supply temperature T0When, heat exchange processing and control element (PCE) then controls to open auxiliary electro-heat pipe immediately, the water near thermal source water supply water inlet pipe place that the thermal source of volumetric heat exchanger fed water in heat exchanging chamber body heats, promote hot water temperature, better to ensure that heating and domestic hot-water's heat supply disclosure satisfy that heat supply temperature requirement。
In sum, the multimode positive displacement heat-exchange system of the present invention and the heat exchange processing method of various modes possessed thereof, solve that the heat-exchange system structure supplying heating and domestic hot-water in prior art is complicated, bulky well, hardware device cost and take up an area the problem that construction cost is higher, the overall efficiency of heat-exchange system can also be promoted, there is the prospect that well promote the wider application。
What finally illustrate is, above example is only in order to illustrate technical scheme and unrestricted, although the present invention being described in detail with reference to embodiment, it will be understood by those within the art that, technical scheme can be modified or equivalent replacement, without deviating from objective and the scope of technical solution of the present invention, it all should be encompassed in the middle of scope of the presently claimed invention。
Claims (6)
1. a multimode positive displacement heat-exchange system, it is characterised in that include thermal source water-feed, heating water supply loop and volumetric heat exchanger；Described volumetric heat exchanger has thermal source feedwater heat exchange cavity, thermal source backwater mixing chamber, life water outlet cavity and heat exchange processing and control element (PCE)；
One end of described thermal source feedwater heat exchange cavity is provided with the thermal source water supply water inlet pipe that the thermal source feed water inlet with thermal source water-feed is connected, the other end is connected with thermal source backwater mixing chamber and life water outlet cavity respectively, and the communication path between thermal source feedwater heat exchange cavity and life water outlet cavity is provided with the first electric-controlled switch valve；Middle part in thermal source feedwater heat exchanging chamber body is provided with heating heat-exchange coil pipe, the water inlet of described heating heat-exchange coil pipe and outlet are respectively communicated to be arranged on the heating backwater water inlet pipe on thermal source feedwater heat exchanging chamber body sidewall and heating water supply outlet pipe, wherein, the relatively close thermal source water supply water inlet pipe of heating water supply outlet pipe and being connected with the heating feed water inlet of heating water supply loop, heating backwater water inlet pipe is relatively distant from thermal source water supply water inlet pipe and is connected with the heating water return outlet of heating water supply loop, and is provided with the second electric-controlled switch valve on heating backwater water inlet pipe；
Described life water outlet cavity is communicated with the domestic hot-water's outlet pipe to domestic hot-water's supply channel away from one end of thermal source feedwater heat exchange cavity, and is provided with electronic flowmeter on domestic hot-water's outlet pipe；
Described thermal source backwater mixing chamber is additionally provided with, near the side of thermal source feedwater heat exchange cavity, the life cold water inlet being connected with life cold water supply line, and is provided with automatically controlled flow control valve on life cold water inlet；Thermal source backwater mixing chamber is provided with, away from the side of thermal source feedwater heat exchange cavity, the thermal source backwater outlet pipe that the thermal source water return outlet with thermal source water-feed is connected；And the medium position place of thermal source backwater mixing chamber is connected by the middle part of mixed flow communicating passage with life water outlet cavity；
The Valve controlling outfan of described heat exchange processing and control element (PCE) electrically connects with the first electric-controlled switch valve and the second electric-controlled switch valve respectively, for providing control input operation, and according to controlling input operation, the first electric-controlled switch valve and the second electric-controlled switch valve are carried out on-off control；And the flow signal acquisition end of heat exchange processing and control element (PCE) electrically connects with the flow signal outfan of electronic flowmeter, the flow-control outfan of heat exchange processing and control element (PCE) electrically connects with the control signal input of automatically controlled flow control valve, for the traffic conditions according to electronic flowmeter collection, automatically controlled flow control valve is carried out flow-control so that the flow of inlet water of life cold water inlet is consistent with the water flow of domestic hot-water's outlet pipe。
2. multimode positive displacement heat-exchange system according to claim 1, it is characterised in that also include heating agent water-feed, the supply water temperature of described heating agent water-feed is not less than presetting minimum heat supply temperature T0；
It is additionally provided with temperature sensor and heating agent heat exchange coil near the side of thermal source water supply water inlet pipe in the thermal source feedwater heat exchanging chamber body of described volumetric heat exchanger；The water inlet of described heating agent heat exchange coil and outlet are respectively communicated to be arranged on the heating agent water supply water inlet pipe on thermal source feedwater heat exchanging chamber body sidewall and heating agent backwater outlet pipe, wherein, heating agent water supply water inlet pipe is connected with the heating agent feed water inlet of heating agent water-feed, heating agent backwater outlet pipe is connected with the heating agent water return outlet of heating agent water-feed, and is provided with the 3rd electric-controlled switch valve on heating agent water supply water inlet pipe；
The temperature signal collection end of described heat exchange processing and control element (PCE) electrically connects with the temperature signal outfan of temperature sensor, the Valve controlling outfan of heat exchange processing and control element (PCE) also electrically connects with the 3rd electric-controlled switch valve, for judging that temperature that temperature sensor gathers is lower than presetting minimum heat supply temperature T0In time, controls to open the 4th electric-controlled switch valve, heating agent water-feed is allowed to supply water to heating agent heat exchange coil, the water near thermal source water supply water inlet pipe place that the thermal source of volumetric heat exchanger fed water in heat exchanging chamber body heat so that the water temperature at the interior close thermal source water supply water inlet pipe place of thermal source feedwater heat exchanging chamber body is not less than presetting minimum heat supply temperature T0。
3. multimode positive displacement heat-exchange system according to claim 1, it is characterised in that be additionally provided with temperature sensor and auxiliary electro-heat pipe near the side of thermal source water supply water inlet pipe in the thermal source feedwater heat exchanging chamber body of described volumetric heat exchanger；
The temperature signal collection end of described heat exchange processing and control element (PCE) electrically connects with the temperature signal outfan of temperature sensor, the electric heating control output end of heat exchange processing and control element (PCE) electrically connects with the on off control input of auxiliary electro-heat pipe, for judging that temperature that temperature sensor gathers is lower than presetting minimum heat supply temperature T0In time, controls to open auxiliary electro-heat pipe and is heated so that in the thermal source of volumetric heat exchanger feedwater heat exchanging chamber body, the water temperature near thermal source water supply water inlet pipe place is not less than presetting minimum heat supply temperature T0。
4. the heat exchange processing method of multimode positive displacement heat-exchange system as according to any one of claim 1 ~ 3, it is characterised in that for providing domestic hot-water to domestic hot-water's supply channel, and simultaneously provide heat exchange to heating water supply loop；The method particularly as follows:
The heat exchange processing and control element (PCE) of operation volumetric heat exchanger controls the first electric-controlled switch valve and the second electric-controlled switch valve is opened, and according to the traffic conditions of electronic flowmeter collection on domestic hot-water's outlet pipe, the automatically controlled flow control valve on life cold water inlet being carried out flow-control by the heat exchange processing and control element (PCE) of volumetric heat exchanger so that the flow of inlet water of life cold water inlet is consistent with the water flow of domestic hot-water's outlet pipe；Open the heating water pump in the waterway circulating pump of thermal source water-feed and heating water supply loop simultaneously；
Under the waterway circulating pumping action of thermal source water-feed, hot water is provided in heat exchanging chamber body fed water by thermal source water supply water inlet pipe to the thermal source of volumetric heat exchanger from thermal source feed water inlet by thermal source water-feed, simultaneously under the heating water pumping action in heating water supply loop, after heating water in heating water supply loop enters the heating heat-exchange coil pipe of volumetric heat exchanger from heating backwater water inlet pipe, then it is back to heating water supply loop from heating water supply outlet pipe；Enter the hot water of thermal source feedwater heat exchange cavity and flow through after the heating water in heating heat-exchange coil pipe position and heating heat-exchange coil pipe carries out heat exchange, separately flow into thermal source backwater mixing chamber and life water outlet cavity；Wherein, flowed into the hot water of thermal source backwater mixing chamber by thermal source feedwater heat exchange cavity and form mixing water after the cold water mix of life cold water inlet entrance thermal source backwater mixing chamber, domestic hot-water supply water negative pressure and thermal source water-feed backwater suction function under, mixing water flows to mixed flow communicating passage and thermal source backwater outlet pipe more respectively；The mixing water being flowed to mixed flow communicating passage by thermal source backwater mixing chamber enters life water outlet cavity, after again mixing with the hot water being flowed into life water outlet cavity by thermal source feedwater heat exchange cavity, flow out from domestic hot-water's outlet pipe, provide domestic hot-water to domestic hot-water's supply channel；The mixing water being flowed to thermal source backwater outlet pipe by thermal source backwater mixing chamber is then back to thermal source water-feed by thermal source water return outlet。
5. the heat exchange processing method of multimode positive displacement heat-exchange system as according to any one of claim 1 ~ 3, it is characterised in that for only providing domestic hot-water to domestic hot-water's supply channel；The method particularly as follows:
The heat exchange processing and control element (PCE) of operation volumetric heat exchanger controls the first electric-controlled switch valve and the second electric-controlled switch valve cuts out, and according to the traffic conditions of electronic flowmeter collection on domestic hot-water's outlet pipe, the automatically controlled flow control valve on life cold water inlet being carried out flow-control by the heat exchange processing and control element (PCE) of volumetric heat exchanger so that the flow of inlet water of life cold water inlet is consistent with the water flow of domestic hot-water's outlet pipe；Open the waterway circulating pump of thermal source water-feed simultaneously；
Under the waterway circulating pumping action of thermal source water-feed, hot water is provided in heat exchanging chamber body fed water by thermal source water supply water inlet pipe to the thermal source of volumetric heat exchanger from thermal source feed water inlet by thermal source water-feed, hot water flows into thermal source backwater mixing chamber from thermal source feedwater heat exchange cavity, mixing water is formed with after the cold water mix from life cold water inlet entrance thermal source backwater mixing chamber, domestic hot-water supply water negative pressure and thermal source water-feed backwater suction function under, mixing water flows to mixed flow communicating passage and thermal source backwater outlet pipe more respectively；Flow out from domestic hot-water's outlet pipe flowed to the mixing water entrance life water outlet cavity of mixed flow communicating passage by thermal source backwater mixing chamber after, provide domestic hot-water to domestic hot-water's supply channel；The mixing water being flowed to thermal source backwater outlet pipe by thermal source backwater mixing chamber is then back to thermal source water-feed by thermal source water return outlet。
6. the heat exchange processing method of multimode positive displacement heat-exchange system as according to any one of claim 1 ~ 3, it is characterised in that for only providing heat exchange to heating water supply loop；The method particularly as follows:
Operation volumetric heat exchanger heat exchange processing and control element (PCE) control the second electric-controlled switch valve open, first electric-controlled switch valve close, and when the water outlet of domestic hot-water's outlet pipe does not provide domestic hot-water to domestic hot-water's supply channel, controlled the automatically controlled flow control valve on life cold water inlet by the heat exchange processing and control element (PCE) of volumetric heat exchanger according to the traffic conditions that electronic flowmeter on domestic hot-water's outlet pipe gathers to end so that the water inlet path of life cold water inlet disconnects；Open the heating water pump in the waterway circulating pump of thermal source water-feed and heating water supply loop simultaneously；
Under the waterway circulating pumping action of thermal source water-feed, hot water is provided in heat exchanging chamber body fed water by thermal source water supply water inlet pipe to the thermal source of volumetric heat exchanger from thermal source feed water inlet by thermal source water-feed, simultaneously under the heating water pumping action in heating water supply loop, after heating water in heating water supply loop enters the heating heat-exchange coil pipe of volumetric heat exchanger from heating backwater water inlet pipe, then it is back to heating water supply loop from heating water supply outlet pipe；Enter the hot water of thermal source feedwater heat exchange cavity and flow through after the heating water in heating heat-exchange coil pipe position and heating heat-exchange coil pipe carries out heat exchange, flow into thermal source backwater mixing chamber, under the backwater suction function of thermal source water-feed, it is back to thermal source water-feed by thermal source backwater outlet pipe from thermal source water return outlet。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410224438.8A CN103968441B (en) | 2014-05-26 | 2014-05-26 | A kind of multimode positive displacement heat-exchange system and heat exchange processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410224438.8A CN103968441B (en) | 2014-05-26 | 2014-05-26 | A kind of multimode positive displacement heat-exchange system and heat exchange processing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103968441A CN103968441A (en) | 2014-08-06 |
| CN103968441B true CN103968441B (en) | 2016-06-22 |
Family
ID=51238263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410224438.8A Active CN103968441B (en) | 2014-05-26 | 2014-05-26 | A kind of multimode positive displacement heat-exchange system and heat exchange processing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103968441B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112283784A (en) * | 2019-07-23 | 2021-01-29 | 芜湖美的厨卫电器制造有限公司 | Heating water heating device and control method thereof |
| CN115264555A (en) * | 2022-07-15 | 2022-11-01 | 珠海格力电器股份有限公司 | Heating control method and device and heating system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4909041A (en) * | 1984-07-27 | 1990-03-20 | Uhr Corporation | Residential heating, cooling and energy management system |
| CN101290146A (en) * | 2008-06-06 | 2008-10-22 | 山东力诺瑞特新能源有限公司 | Residential construction closed type heating system |
| CN201954642U (en) * | 2010-12-15 | 2011-08-31 | 广东万家乐燃气具有限公司 | Household heating and hot-water supplying system |
| CN102242945A (en) * | 2011-07-29 | 2011-11-16 | 中国建筑设计研究院 | Small heat collecting and distributing device for rural households |
| CN202074600U (en) * | 2010-12-16 | 2011-12-14 | 李渊 | A heating system and an energy storage converter |
-
2014
- 2014-05-26 CN CN201410224438.8A patent/CN103968441B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4909041A (en) * | 1984-07-27 | 1990-03-20 | Uhr Corporation | Residential heating, cooling and energy management system |
| CN101290146A (en) * | 2008-06-06 | 2008-10-22 | 山东力诺瑞特新能源有限公司 | Residential construction closed type heating system |
| CN201954642U (en) * | 2010-12-15 | 2011-08-31 | 广东万家乐燃气具有限公司 | Household heating and hot-water supplying system |
| CN202074600U (en) * | 2010-12-16 | 2011-12-14 | 李渊 | A heating system and an energy storage converter |
| CN102242945A (en) * | 2011-07-29 | 2011-11-16 | 中国建筑设计研究院 | Small heat collecting and distributing device for rural households |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103968441A (en) | 2014-08-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206875538U (en) | Thermal power cogeneration central heating system one-level net direct-furnish heat user heating plant | |
| CN204513882U (en) | A kind of process cooling water constant temperature and pressure control device | |
| CN103090440A (en) | Thermal station energy saving device with double adjustment functions | |
| CN105485908A (en) | Hot water system and control method thereof | |
| CN103968441B (en) | A kind of multimode positive displacement heat-exchange system and heat exchange processing method thereof | |
| CN203928130U (en) | The unattended intelligence control system of heat exchange station | |
| CN101761964A (en) | Temperature-changing variable-quantity heating and heat exchange equipment | |
| CN208536122U (en) | A kind of novel heat pump hot-water heating system | |
| CN102466220A (en) | Industrial constant temperature control system | |
| CN203823859U (en) | Multi-mode positive displacement heat exchanger and heat exchanging system | |
| CN104405731B (en) | Hydraulic oil liquid heating system | |
| CN103471159A (en) | Novel energy-saving water system heating and cooling device | |
| CN204128057U (en) | The Water way controller of wall-hung boiler Living Water and the water inlet of heating water homonymy | |
| CN202692429U (en) | Waterway system of direct thermal circulation type heat pump water heater | |
| CN102901147B (en) | Multi-energy water heating device | |
| CN107543240B (en) | Heating system subregion conversion equipment | |
| CN205505183U (en) | Two water tank structure's water supply system | |
| CN208652707U (en) | A kind of waterpower control system adjusted for room temperature | |
| CN107355839A (en) | Heat exchange station heating pipe network and heating system | |
| CN204902265U (en) | Zero cold water oneself's exchange device and have its self - exchange system of fragmentary cold water | |
| CN203809386U (en) | Dual-wheel milling hydraulic motor oil supplying loop | |
| CN207648929U (en) | Solar energy heat distribution system | |
| CN202452702U (en) | Waterway device used for fuel gas heating water furnace | |
| CN103836715A (en) | Solar gas composite energy water heating system and use method | |
| CN100498083C (en) | Full-bearing split type solar water heating system free from measurement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |