CN106382759B - A kind of outdoor ground energy heat-exchanger rig of ground-source heat pump system - Google Patents

A kind of outdoor ground energy heat-exchanger rig of ground-source heat pump system Download PDF

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Publication number
CN106382759B
CN106382759B CN201610866025.9A CN201610866025A CN106382759B CN 106382759 B CN106382759 B CN 106382759B CN 201610866025 A CN201610866025 A CN 201610866025A CN 106382759 B CN106382759 B CN 106382759B
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heat
water
heat exchange
inlet pipe
water inlet
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CN106382759A (en
Inventor
杨子晴
邓岳保
徐浩
徐俊
邱小珊
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Ningbo University
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Ningbo University
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/02—Stream regulation, e.g. breaking up subaqueous rock, cleaning the beds of waterways, directing the water flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
    • F24T10/00—Geothermal collectors
    • F24T10/10—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
    • F24T10/13—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground using tube assemblies suitable for insertion into boreholes in the ground, e.g. geothermal probes
    • 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
    • F25B30/00—Heat pumps
    • F25B30/06—Heat pumps characterised by the source of low potential heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/06—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits having a single U-bend
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/10—Geothermal energy

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Environmental & Geological Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

The invention discloses a kind of outdoor ground energy heat-exchanger rigs of ground-source heat pump system, including at least one set of heat exchange tube assemblies, heat exchange tube assemblies include heat exchanging part, two ends of heat exchanging part are connected separately with heat exchange water inlet pipe and heat exchange outlet pipe, feature be include a header tank, the inner hollow of header tank forms a water collection chamber, heat exchanging part is arranged in water collection chamber, heat exchange water inlet pipe and heat exchange outlet pipe stretch out header tank, the top of header tank is connected with water inlet pipe, the upper end of water inlet pipe is connected with a rainwater collection header, the lower end of water inlet pipe is connected with water collection chamber, the lower part of header tank is connected with outlet pipe, outlet pipe is connected with water collection chamber.Advantage is that the rainwater being collected by rainwater collection header enters in header tank by water inlet pipe, is made full use of the natural resources by the heat exchange efficiency that the flowing of water improves heat exchanging part so that rainwater obtains secondary use, structure is simple, and heat exchange efficiency is high.

Description

A kind of outdoor ground energy heat-exchanger rig of ground-source heat pump system
Technical field
The present invention relates to a kind of ground-source heat pump systems, more particularly, to a kind of dress that can exchange heat of ground-source heat pump system outdoorly It sets.
Background technique
Ground-source heat pump system is sharp using the eco-friendly power source of technology using the new energy of superficial-layer geothermal energy progress heating and refrigerating Use system.Ground-source heat pump system is usually to shift heat or cooling capacity in underground to also use ground to required place The lower huge heat storage and cold accumulation ability of soil, winter source heat is transferred in building from underground, summer is again ground Under cooling capacity be transferred in building, one year formed a cooling and heating circulation system, realize the function of energy-saving and emission-reduction.
Traditional ground-source heat pump system generally can heat-exchange system, earth source heat pump unit and indoor heating air-conditioning end by outdoor ground End system.And the outdoor ground energy heat-exchanger rig for being commonly used in ground-source heat pump system at present is generally high density polyethylene (HDPE) heat exchange Pipe, which is directly placed into the soil, and directly contact progress heat exchange with soil by heat exchanger tube, but due to soil Thermal conductivity is smaller, so that the speed of heat exchange is slower, so that it is easy to cause heat exchange not in time, and low efficiency.
Summary of the invention
The simple and high heat exchange efficiency ground-source heat pump system technical problem to be solved by the invention is to provide a kind of structure Outdoor ground can heat-exchanger rig.
The technical scheme of the invention to solve the technical problem is:
A kind of outdoor ground energy heat-exchanger rig of ground-source heat pump system, including at least one set of heat exchange tube assemblies, the heat exchange Tube assembly includes heat exchanging part, and two ends of the heat exchanging part are connected separately with heat exchange water inlet pipe and heat exchange outlet pipe, is also wrapped A header tank is included, the inner hollow of the header tank forms a water collection chamber, and the water collection chamber is arranged in the heat exchanging part Interior, the heat exchange water inlet pipe and the heat exchange outlet pipe stretch out the header tank, and the top of the header tank connects It is connected to water inlet pipe, the upper end of the water inlet pipe is connected with a rainwater collection header, and the water inlet pipe lower end is catchmented with described Chamber is connected, and the lower part of the header tank is connected with outlet pipe, and the outlet pipe is connected with the water collection chamber.
The heat exchanging part includes multiple hollow U-tubes, and it is hollow to pass through one between U-tube described in adjacent two The hollow connecting tube of inverted U is tightly connected.Heat exchanging part is made of multiple hollow U-tubes, is increased heat exchange area, is effectively improved Heat exchange efficiency is tightly connected between adjacent two U-tubes, so that multiple U by the hollow connecting tube of a hollow inverted U It is able to unimpeded between type pipe, and further increases heat exchange area.
The heat exchanging part is vertically provided in the water collection chamber, before the heat exchanging part in heat exchange tube assemblies described in multiple groups Interval setting side by side afterwards.Heat exchanging part is vertically arranged, can effectively reduce the forced area of the tube wall of heat exchanging part in vertical direction, from And the impact of the water flow heat exchanging portion tube wall in header tank can be effectively relieved, so that the service life of heat exchanging part is extended.
The top of the heat exchanging part is connected by upper support tube with the upper inside wall of the water collection chamber, and described changes The lower part in hot portion is connected by lower support tube with the lower inner wall of the water collection chamber, and the side of the heat exchanging part passes through side Support tube is connected with the side interior wall of the water collection chamber.Top, lower part and the side of heat exchanging part respectively by upper support tube, Lower support tube and collateral stay tube are connected with the cavity wall that catchments, so that heat exchanging part has a stable positioning, it is ensured that heat exchanging part It is not shifted under the impact of water flow, is indeformable, to ensure that stablizing for heat exchanging part uses.
Upper support tube, lower support tube and the collateral stay tube is all made of stainless steel material.
Rainwater purifier is set on the water inlet pipe, and the water inlet pipe is separated by the rainwater purifier Water portion and lower outlet part, the lower outlet part are connected with the water collection chamber.Rainwater purifier, rain are set on water inlet pipe The rainwater collected in water collection tank enter water inlet pipe on enter water portion, then into being purified in rainwater purifier, lead to The lower outlet part for crossing water inlet pipe, which enters in header tank, carries out heat exchange for heat exchanging part, eliminates originally by purified water Harmful substance in rainwater can effectively avoid heat exchanging portion and be used to support the upper support tube, lower support tube and side of heat exchanging part Support tube causes to corrode, and so as to effectively extend the service life of above-mentioned component, in addition completes heat exchange by purified water It is discharged after task by outlet pipe, effectively reduces the pollution to environment.
The rainwater purifier includes outer housing, is provided with cavity in the outer housing, the outer housing it is upper Portion and lower part are respectively arranged with upper connector and lower connector, the upper connector and the lower connector and the sky Chamber is connected, it is described on enter the lower end in water portion and the upper connector is tightly connected, the upper end in the tripping in water portion with The lower connector is tightly connected, be arranged at intervals with from top to bottom in the cavity the first filter screen, the second filter screen and Semi-permeable membrane encloses between first filter screen and the outer housing and is set as the first purification chamber, first filter screen, It is enclosed between second filter screen and the outer housing and is set as the second purification chamber, it is second filter screen, described It is enclosed between semi-permeable membrane and the outer housing and is set as third purification chamber, enclosed and set between the semi-permeable membrane and the outer housing At the 4th purification chamber, ion-exchanger is provided in the third purify cavity room.Above-mentioned rainwater purifier structure is simple, leads to It crosses the first purification chamber set gradually up and down, the second purification chamber, third purification chamber and the 4th purification chamber and carries out level Four Filtering, obtains more pure water quality, the first filter screen may filter that the biggish impurity of particle diameter, such as the grains of sand, the second mistake Strainer further filters out particulate species impurity on the basis of the first filter screen filtration is completed, and the effect of ion-exchanger is exchange Metal ion, achievees the purpose that water demineralization, and the effect of semi-permeable membrane is refinement water quality, so that entering water quality in header tank more Refinement is greasy.
It has been uniformly arranged multiple first filter mesh on first filter screen, has been laid on second filter screen Multiple second filter mesh are equipped with, the diameter of first filter mesh is greater than the diameter of second filter mesh.The The diameter of one filter mesh is greater than the diameter of the second filter mesh, so that the base that the second filter screen is completed in the first filter screen filtration The lesser impurity of particle diameter is further filtered out on plinth.
The internal diameter of the upper connector is greater than the internal diameter of the lower connector.The internal diameter of upper connector is larger, is convenient for Rainwater with impurity enters, and is not easy to result in blockage, and be convenient to clean.
Level monitoring sensor and lower level monitoring sensor, the lower liquid level prison are provided in the water collection chamber Survey the lower section that the upper level monitoring sensor is arranged in sensor.Upper level monitoring sensor is set in water collection chamber under Level monitoring sensor can effectively monitor the water level conditions in header tank, to carry out corresponding drainage sunk well.
Check-valves is provided on the outlet pipe.Check-valves, upper level monitoring sensor, lower liquid are set on outlet pipe Position monitoring sensor and check-valves are connected with external controller respectively, when the liquid level in header tank is passed beyond upper level sensing When position set by sensor, upper liquid level detecting sensor gives controller one signal, and controller controls check-valves and opens, and will collect Water discharge in water tank, when the liquid level in header tank is lower than position set by lower liquid level detecting sensor, lower level sensing Sensor gives controller one signal, and controller controls closure of check ring, and ringing guarantees there is sufficient water in header tank Source exchanges heat for heat exchanging part, and the water flow in header tank is made to have certain flow velocity, reaches preferable heat exchange effect.
Compared with the prior art, the advantages of the present invention are as follows: ground energy heat-exchanger rig in the outdoor includes a header tank, will be exchanged heat Heat exchanging part in tube assembly is arranged in the header tank, and water inlet pipe, water inlet pipe and a rainwater collection header phase are connected on header tank Connection, the lower part of header tank are connected with outlet pipe, and the rainwater being collected by rainwater collection header is entered by water inlet pipe to catchment In case, made full use of the natural resources by the heat exchange efficiency that the flowing of water improves heat exchanging part so that rainwater obtains secondary use, Structure is simple, and heat exchange efficiency is high.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the schematic cross-sectional view that the present invention removes rainwater collection header；
Fig. 3 is the structural schematic diagram of heat exchange tube assemblies in the present invention；
Fig. 4 is the schematic cross-sectional view of rainwater purifier in the embodiment of the present invention two.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
Embodiment one: as shown in Figure 1 to Figure 3, a kind of outdoor ground energy heat-exchanger rig of ground-source heat pump system, including at least one Group heat exchange tube assemblies 1, heat exchange tube assemblies 1 include heat exchanging part 11, and two ends of heat exchanging part 11 are connected separately with heat exchange water inlet pipe 12 and heat exchange outlet pipe 13, it further include a header tank 2, the inner hollow of header tank 2 forms a water collection chamber 21, and heat exchanging part 11 is arranged In water collection chamber 21, heat exchange water inlet pipe 12 and heat exchange outlet pipe 13 stretch out header tank 2, and the top of header tank 2 is connected with into water Pipe 22, the upper end of water inlet pipe 22 are connected with a rainwater collection header 3, and 22 lower end of water inlet pipe is connected with water collection chamber 21, header tank 2 Lower part is connected with outlet pipe 23, and outlet pipe 23 is connected with water collection chamber 21.
In this particular embodiment, heat exchange tube assemblies 1 are 3 groups, 3 groups of 1 front and back of heat exchange tube assemblies interval settings side by side.
In this particular embodiment, heat exchanging part 11 include multiple hollow U-tubes 111, two adjacent U-tubes 111 it Between be tightly connected by the hollow connecting tube 112 of a hollow inverted U.Heat exchanging part 11 is made of multiple hollow U-tubes 111, Heat exchange area is increased, effectively increases heat exchange efficiency, it is hollow by a hollow inverted U between two adjacent U-tubes 111 Connecting tube 112 be tightly connected so that being able to unimpeded between multiple U-tubes 111, and further increase heat exchange area.
In this particular embodiment, heat exchanging part 11 is vertically provided in water collection chamber 21, the heat exchange in multiple groups heat exchange tube assemblies 1 The interval setting side by side of 11 front and back of portion.Heat exchanging part 11 is vertically arranged, can effectively reduce the tube wall of heat exchanging part 11 in vertical direction Forced area, so as to the impact for the water flow heat exchanging portion tube wall being effectively relieved in header tank 2, so that heat exchanging part 11 uses the longevity Life is extended.
In this particular embodiment, the top of heat exchanging part 11 is connected by upper support tube 4 with the upper inside wall of water collection chamber 21 It connects, the lower part of heat exchanging part 11 is connected by lower support tube 5 with the lower inner wall of water collection chamber 21, and the side of heat exchanging part 11 passes through side Support tube 6 is connected with the side interior wall of water collection chamber 21.Top, lower part and the side of heat exchanging part 11 respectively by upper support tube 4, Lower support tube 5 and collateral stay tube 6 are connected with 21 inner wall of water collection chamber, so that heat exchanging part 11 has a stable positioning, it is ensured that Heat exchanging part 11 does not shift under the impact of water flow, is indeformable, to ensure that stablizing for heat exchanging part 11 uses.
In this particular embodiment, upper support tube 4, lower support tube 5 and collateral stay tube 6 are all made of stainless steel material.
In this particular embodiment, rainwater purifier 7 is set on water inlet pipe 22, and rainwater purifier 7 separates water inlet pipe 22 At water portion 221 and lower outlet part 222 is above entered, lower outlet part 222 is connected with water collection chamber 21.It is net that rainwater is set on water inlet pipe 22 Change device 7, the rainwater collected in rainwater collection header 3 enter water inlet pipe 22 on enter water portion 221, then into rainwater purifier It is purified in 7, is entered in header tank 2 by the lower outlet part 222 of water inlet pipe 22 and carry out heat exchange, warp for heat exchanging part 11 It crosses purified water and eliminates harmful substance in original rainwater, can effectively avoid heat exchanging portion 11 and be used to support heat exchanging part 11 upper support tube 4, lower support tube 5 and collateral stay tube 6 causes to corrode, so as to effectively extend the service life of above-mentioned component, In addition it is discharged after purified water completes heat exchange task by outlet pipe 23, effectively reduces the pollution to environment.
In this particular embodiment, level monitoring sensor 8 and lower level monitoring sensor are provided in water collection chamber 21 9, the lower section of upper level monitoring sensor 8 is arranged in lower level monitoring sensor 9.Upper level monitoring is arranged in water collection chamber 21 to pass Sensor 8 and lower level monitoring sensor 9 can effectively monitor the water level conditions in header tank 2, to carry out corresponding drainage position Reason.
In this particular embodiment, check-valves 10 is provided on outlet pipe 23.Check-valves 10 is set on outlet pipe 23, on Level monitoring sensor 8, lower level monitoring sensor 9 and check-valves 10 are connected with external controller (not shown) respectively It connects, when the liquid level in header tank 2 is beyond position set by upper liquid level detecting sensor 8, upper liquid level detecting sensor 8 is to control One signal of device processed, controller control check-valves 10 and open, and the water in header tank 2 are discharged, when the liquid level in header tank 2 is lower than When position set by lower liquid level detecting sensor 9, lower liquid level detecting sensor 9 gives one signal of controller, controller control Check-valves 10 is closed, ringing, guarantees in header tank 2 there is sufficient water source to exchange heat for heat exchanging part 11.
When specific installation, place into the soil header tank 2 is deep, heat pump unit in heat exchange water inlet pipe 12 and ground-source heat pump system In evaporator outlet pipe be connected, heat exchange outlet pipe 13 be connected with the evaporator water inlet pipe in ground-source heat pump system heat pump unit, Rainwater collection header 3 is mounted in thin solum, and for collecting rainwater, outlet pipe 23 is connected with blow-off line leads to cesspool.
Embodiment two: as shown in Figure 1 to Figure 3, a kind of outdoor ground energy heat-exchanger rig of ground-source heat pump system, including at least one Group heat exchange tube assemblies 1, heat exchange tube assemblies 1 include heat exchanging part 11, and two ends of heat exchanging part 11 are connected separately with heat exchange water inlet pipe 12 and heat exchange outlet pipe 13, it further include a header tank 2, the inner hollow of header tank 2 forms a water collection chamber 21, and heat exchanging part 11 is arranged In water collection chamber 21, heat exchange water inlet pipe 12 and heat exchange outlet pipe 13 stretch out header tank 2, and the top of header tank 2 is connected with into water Pipe 22, the upper end of water inlet pipe 22 are connected with a rainwater collection header 3, and 22 lower end of water inlet pipe is connected with water collection chamber 21, header tank 2 Lower part is connected with outlet pipe 23, and outlet pipe 23 is connected with water collection chamber 21.
In this particular embodiment, heat exchange tube assemblies 1 are 3 groups, 3 groups of 1 front and back of heat exchange tube assemblies interval settings side by side.
In this particular embodiment, heat exchanging part 11 include multiple hollow U-tubes 111, two adjacent U-tubes 111 it Between be tightly connected by the hollow connecting tube 112 of a hollow inverted U.Heat exchanging part 11 is made of multiple hollow U-tubes 111, Heat exchange area is increased, effectively increases heat exchange efficiency, it is hollow by a hollow inverted U between two adjacent U-tubes 111 Connecting tube 112 be tightly connected so that being able to unimpeded between multiple U-tubes 111, and further increase heat exchange area.
In this particular embodiment, heat exchanging part 11 is vertically provided in water collection chamber 21, the heat exchange in multiple groups heat exchange tube assemblies 1 The interval setting side by side of 11 front and back of portion.Heat exchanging part 11 is vertically arranged, can effectively reduce the tube wall of heat exchanging part 11 in vertical direction Forced area, so as to the impact for the water flow heat exchanging portion tube wall being effectively relieved in header tank 2, so that heat exchanging part 11 uses the longevity Life is extended.
In this particular embodiment, the top of heat exchanging part 11 is connected by upper support tube 4 with the upper inside wall of water collection chamber 21 It connects, the lower part of heat exchanging part 11 is connected by lower support tube 5 with the lower inner wall of water collection chamber 21, and the side of heat exchanging part 11 passes through side Support tube 6 is connected with the side interior wall of water collection chamber 21.Top, lower part and the side of heat exchanging part 11 respectively by upper support tube 4, Lower support tube 5 and collateral stay tube 6 are connected with 21 inner wall of water collection chamber, so that heat exchanging part 11 has a stable positioning, it is ensured that Heat exchanging part 11 does not shift under the impact of water flow, is indeformable, to ensure that stablizing for heat exchanging part 11 uses.
In this particular embodiment, upper support tube 4, lower support tube 5 and collateral stay tube 6 are all made of stainless steel material.
In this particular embodiment, rainwater purifier 7 is set on water inlet pipe 22, and rainwater purifier 7 separates water inlet pipe 22 At water portion 221 and lower outlet part 222 is above entered, lower outlet part 222 is connected with water collection chamber 21.It is net that rainwater is set on water inlet pipe 22 Change device 7, the rainwater collected in rainwater collection header 3 enter water inlet pipe 22 on enter water portion 221, then into rainwater purifier It is purified in 7, is entered in header tank 2 by the lower outlet part 222 of water inlet pipe 22 and carry out heat exchange, warp for heat exchanging part 11 It crosses purified water and eliminates harmful substance in original rainwater, can effectively avoid heat exchanging portion 11 and be used to support heat exchanging part 11 upper support tube 4, lower support tube 5 and collateral stay tube 6 causes to corrode, so as to effectively extend the service life of above-mentioned component, In addition it is discharged after purified water completes heat exchange task by outlet pipe 23, effectively reduces the pollution to environment.
In this particular embodiment, rainwater purifier 7 includes outer housing 71, is provided with cavity, outer housing in outer housing 71 71 upper and lower part is respectively arranged with upper connector 72 and lower connector 73, upper connector 72 and lower connector 73 and cavity phase Connection, the lower end and upper connector 72 for above entering water portion 221 are tightly connected, and the upper end in tripping in water portion 222 and lower connector 73 seal It connects, is arranged at intervals with the first filter screen 74, the second filter screen 75 and semi-permeable membrane 76, the first filter screen 74 from top to bottom in cavity It is enclosed between outer housing 71 and is set as the first purification chamber 741, enclosed between the first filter screen 74, the second filter screen 75 and outer housing 71 It is set as the second purification chamber 751, is enclosed between the second filter screen 75, semi-permeable membrane 76 and outer housing 71 and is set as third purification chamber 761, It is enclosed between semi-permeable membrane 76 and outer housing 71 and is set as the 4th purification chamber 771, be provided with ion-exchanger in third purification chamber 761 77.Above-mentioned 7 structure of rainwater purifier is simple, by set gradually up and down first purification chamber 741, second purify chamber 751, Third purifies chamber 761 and the 4th purification chamber 771 carries out level Four filtering, obtains more pure water quality, the first filter screen 74 It may filter that the biggish impurity of particle diameter, such as the grains of sand, the second filter screen 75 is on the basis that the filtering of the first filter screen 74 is completed On further filter out particulate species impurity, the effect of ion-exchanger 77 is exchange metal ion, achieve the purpose that water demineralization, The effect of semi-permeable membrane 76 is refinement water quality, so that the water quality entered in header tank 2 is finer and smoother, as shown in Figure 4.
In this particular embodiment, multiple first filter mesh 742, the second filtering have been uniformly arranged on the first filter screen 74 Multiple second filter mesh 752 are uniformly arranged on net 75, the diameter of the first filter mesh 742 is greater than the second filter mesh 752 Diameter.The diameter of first filter mesh 742 is greater than the diameter of the second filter mesh 752, so that the second filter screen 75 is first The filtering of filter screen 74 further filters out the lesser impurity of particle diameter on the basis of completing.
In this particular embodiment, the internal diameter of upper connector 72 is greater than the internal diameter of lower connector 73.Upper connector 72 it is interior Diameter is larger, enters convenient for the rainwater with impurity, is not easy to result in blockage, and be convenient to clean.
In this particular embodiment, level monitoring sensor 8 and lower level monitoring sensor are provided in water collection chamber 21 9, the lower section of upper level monitoring sensor 8 is arranged in lower level monitoring sensor 9.Upper level monitoring is arranged in water collection chamber 21 to pass Sensor 8 and lower level monitoring sensor 9 can effectively monitor the water level conditions in header tank 2, to carry out corresponding drainage position Reason.
In this particular embodiment, check-valves 10 is provided on outlet pipe 23.Check-valves 10 is set on outlet pipe 23, on Level monitoring sensor 8, lower level monitoring sensor 9 and check-valves 10 are connected with external controller (not shown) respectively It connects, when the liquid level in header tank 2 is beyond position set by upper liquid level detecting sensor 8, upper liquid level detecting sensor 8 is to control One signal of device processed, controller control check-valves 10 and open, and the water in header tank 2 are discharged, when the liquid level in header tank 2 is lower than When position set by lower liquid level detecting sensor 9, lower liquid level detecting sensor 9 gives one signal of controller, controller control Check-valves 10 is closed, ringing, guarantees in header tank 2 there is sufficient water source to exchange heat for heat exchanging part 11.

Claims (7)

1. a kind of outdoor ground energy heat-exchanger rig of ground-source heat pump system, including at least one set of heat exchange tube assemblies, the heat exchanger tube Component includes heat exchanging part, and two ends of the heat exchanging part are connected separately with heat exchange water inlet pipe and heat exchange outlet pipe, feature It is to further include a header tank, the inner hollow of the header tank forms a water collection chamber, and the heat exchanging part is arranged described Water collection chamber in, the heat exchange water inlet pipe and the heat exchange outlet pipe stretch out the header tank, the header tank Top be connected with water inlet pipe, the upper end of the water inlet pipe is connected with a rainwater collection header, the water inlet pipe lower end and institute The water collection chamber stated is connected, and the lower part of the header tank is connected with outlet pipe, the outlet pipe and the water collection chamber phase Connection；The heat exchanging part includes multiple hollow U-tubes, passes through a hollow U between U-tube described in adjacent two The hollow connecting tube of type is tightly connected；The rainwater being collected by rainwater collection header enters in header tank by water inlet pipe, leads to The flowing for crossing water improves the heat exchange efficiency of heat exchanging part；
Rainwater purifier is set on the water inlet pipe, and the water inlet pipe is separated by the rainwater purifier enters water portion With lower outlet part, the lower outlet part is connected with the water collection chamber；
The rainwater purifier includes outer housing, is provided with cavity in the outer housing, the top of the outer housing and Lower part is respectively arranged with upper connector and lower connector, the upper connector and the lower connector and the cavity phase Connection, it is described on enter the lower end in water portion and the upper connector is tightly connected, the upper end in the tripping in water portion with it is described Lower connector be tightly connected, the first filter screen, the second filter screen and semi-transparent are arranged at intervals in the cavity from top to bottom Film encloses between first filter screen and the outer housing and is set as the first purification chamber, first filter screen, described The second filter screen and the outer housing between enclose and be set as the second purification chamber, it is second filter screen, described semi-transparent It is enclosed between film and the outer housing and is set as third purification chamber, enclosed between the semi-permeable membrane and the outer housing and be set as the Four purify chambers, are provided with ion-exchanger in the third purify cavity room；
When specific installation, header tank is placed into the soil deeply, steaming in heat exchange water inlet pipe and ground-source heat pump system in heat pump unit It sends out device outlet pipe to be connected, heat exchange outlet pipe is connected with the evaporator water inlet pipe in ground-source heat pump system heat pump unit, rainwater-collecting Case is mounted in thin solum, and for collecting rainwater, outlet pipe is connected with blow-off line and leads to cesspool.
2. a kind of outdoor ground energy heat-exchanger rig of ground-source heat pump system as described in claim 1, it is characterised in that described changes Hot portion is vertically provided in the water collection chamber, interval setting side by side before and after the heat exchanging part in heat exchange tube assemblies described in multiple groups.
3. a kind of outdoor ground energy heat-exchanger rig of ground-source heat pump system as described in claim 1, it is characterised in that described changes The top in hot portion is connected by upper support tube with the upper inside wall of the water collection chamber, under the lower part of the heat exchanging part passes through Support tube is connected with the lower inner wall of the water collection chamber, and the side of the heat exchanging part passes through collateral stay tube and the collection The side interior wall of water cavity is connected.
4. a kind of outdoor ground of ground-source heat pump system as described in claim 1 can heat-exchanger rig, it is characterised in that described the It has been uniformly arranged multiple first filter mesh on one filter screen, multiple second filterings have been uniformly arranged on second filter screen Mesh, the diameter of first filter mesh are greater than the diameter of second filter mesh.
5. a kind of outdoor ground energy heat-exchanger rig of ground-source heat pump system as described in claim 1, it is characterised in that described is upper The internal diameter of connecting tube is greater than the internal diameter of the lower connector.
6. a kind of outdoor ground energy heat-exchanger rig of ground-source heat pump system as described in claim 1, it is characterised in that the collection Level monitoring sensor and lower level monitoring sensor are provided in water cavity, the lower level monitoring sensor is arranged in institute The lower section for the upper level monitoring sensor stated.
7. a kind of outdoor ground energy heat-exchanger rig of ground-source heat pump system as described in claim 1 or 6, it is characterised in that described Check-valves is provided on outlet pipe.
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AT412818B (en) * 2004-04-28 2005-07-25 Karl-Heinz Dipl Ing Hinrichs Heating and/or hot water heating system has heat exchanger constructed from row of segments each with feed and return collector interconnected by heat exchanger elements and washed through by cistern water
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