CN111059647A - Design, planning and installation method of air source and ground source heat pump air conditioning system - Google Patents
Design, planning and installation method of air source and ground source heat pump air conditioning system Download PDFInfo
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- CN111059647A CN111059647A CN201911421069.0A CN201911421069A CN111059647A CN 111059647 A CN111059647 A CN 111059647A CN 201911421069 A CN201911421069 A CN 201911421069A CN 111059647 A CN111059647 A CN 111059647A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/044—Systems in which all treatment is given in the central station, i.e. all-air systems
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F3/1405—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification in which the humidity of the air is exclusively affected by contact with the evaporator of a closed-circuit cooling system or heat pump circuit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
- F24F2005/0057—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground receiving heat-exchange fluid from a closed circuit in the ground
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/242—Sound-absorbing material
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/40—Geothermal heat-pumps
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Abstract
The invention discloses a pipeline for laying an outdoor heat pump system, and relates to a design, planning and installation method of an air source and ground source heat pump air conditioning system. The installation method can provide the air conditioning system which has better temperature regulation effect and more stable operation, thereby further improving the comfort level of the indoor living environment.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a design, planning and installation method of an air source and ground source heat pump air conditioning system.
Background
The air conditioner is a device for controlling and adjusting the environmental parameters such as temperature, humidity, flow rate and the like in the building by a manual technical means. In modern society, an air conditioning system is one of important devices for indoor living, and the quality of the air conditioning system can be directly reflected in daily life.
Air conditioning originated in about 1000 years before the business, at this moment, the bos has invented an ancient air conditioning system, and with the continuous emergence of modern science and technology, each technology of air conditioning system is also going to be heavy and mature gradually. However, there are many occasions where there are some inconveniences in the installation and construction of the air conditioning system. In view of this, a method for designing, planning and installing an air conditioning system of an air source and a ground source heat pump is provided, so as to optimize the design and installation of the air conditioning system in the prior art.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides a design, planning and installation method of an air source and ground source heat pump air conditioning system, aiming at providing an air conditioning system which has better temperature regulation effect and more stable operation to improve the comfort level of indoor living environment.
The technical scheme is as follows: in order to achieve the purpose, the design, planning and installation method of the air source and ground source heat pump air conditioning system comprises the steps of laying pipelines of an outdoor heat pump system, installing a water collecting and distributing device, installing an indoor pipeline, flushing all pipelines of the outdoor system, installing an air conditioning host and a water pump, laying air conditioning tail end equipment, conducting tightness and strength tests on indoor pipelines, flushing all pipelines of the indoor system, running in a trial mode and debugging an air conditioner.
Further, the outdoor heat pump system is a ground source heat pump system, and the laying process of the ground source heat pump system comprises positioning pile crossing, vertical well construction, vertical buried pipe installation, horizontal pipe laying and loop collecting pipes;
in the construction process of the vertical well, firstly, excavating a detection ditch to judge whether a pipeline exists underground or not, and then excavating a mud pit; after the first hydrostatic test is carried out, inserting and drilling a hole of the vertical underground pipe heat exchanger, checking the pipe descending depth of the vertical underground pipe, and immediately grouting and backfilling after the vertical underground pipe is descended;
in the process of laying the horizontal pipes and the loop collecting pipes, a pipe ditch of the horizontal pipes is dug firstly, stones in the ditch are cleaned, the bottom of the ditch is tamped, the horizontal pipes and the loop collecting pipes can be laid behind a fine sand cushion layer with the thickness not less than the pipe diameter, and after the vertical pipes, the heat exchanger and the loop collecting pipes are assembled, a second hydrostatic test is carried out before backfilling.
Furthermore, the installation steps of the water collecting and distributing device sequentially comprise the steps of checking the quality of the water collecting and distributing device, positioning the installation position, then installing the water collecting and distributing device, connecting an inlet of the water collecting and distributing device with the heat supply pipeline, and connecting an outlet of the water collecting and distributing device with the heat supply pipeline.
Further, the air conditioner terminal equipment comprises a ground heating pipe, wherein the ground heating pipe is arranged between the clamping plates on the upper surfaces of the upper fixing block and the lower fixing block; the clamping plate and the lower fixing block are arranged at intervals and connected through a lifting assembly; the lower end of the lifting assembly is rotatably connected with the lower fixing block, and the lifting assembly is in threaded fit with the clamping plate;
an anti-cracking device is arranged in the floor heating pipe, an annular sliding cavity is arranged in the anti-cracking device, the annular sliding cavity comprises a closed end and an open end, and a sealing sliding block is arranged at the open end; an elastic piece is arranged in the annular sliding cavity, and two ends of the elastic piece are respectively connected with the closed end and the sealing sliding block;
a rotating shaft is arranged at the circle center of the annular sliding cavity and is connected with the sealing slide block through a connecting rod, and one end of the rotating shaft penetrates through the pipe wall of the floor heating pipe to be matched with the circumferential clamping position of the upper end of the lifting assembly; the sealing slide block slides and drives the lifting assembly to rotate through the rotating shaft.
Furthermore, a plurality of turbulence units are arranged on a buried pipe in the ground source heat pump system, each turbulence unit is composed of a plurality of triangular turbulence blocks, the plurality of turbulence blocks are distributed on the inner pipe wall of the buried pipe in a circumferential array manner, and the direction of one sharp corner of each triangular turbulence block is opposite to the flowing direction of water flow; the heat exchange structure is characterized in that a triangular heat exchange groove is formed in the outer pipe wall of the buried pipe, the shape of the heat exchange groove is consistent with that of the turbulence block, the position of the heat exchange groove on the outer pipe wall corresponds to that of the turbulence block on the inner pipe wall, and heat exchange fins are arranged on the edge of the heat exchange groove in a manner of extending in the direction perpendicular to the pipe body of the buried pipe.
Further, the air conditioner terminal equipment comprises a water mixing device and a ground heating pipe, wherein the water mixing device comprises a proportion adjusting valve, a mixing cavity and a driving water pump; a cold water inlet of the mixing cavity is connected with a water outlet of the ground source heat pump system, an outlet of the mixing cavity is connected with a water inlet of the ground heating pipe, and a water outlet of the ground heating pipe is connected with a water inlet of the proportional control valve; the proportional regulating valve is provided with two outlets, the first outlet is connected with the water inlet of the ground source heat pump system, and the second outlet is connected with the hot water inlet of the mixing cavity; the driving water pump is arranged between the second outlet and the hot water inlet; the cold water inlet and the hot water inlet are both arranged in the upper half cavity of the mixing cavity, the tail ends of the cold water inlet and the hot water inlet are both provided with spray headers, and the spraying directions of the two groups of spray headers are relatively inclined; the lower half cavity of the mixing cavity is conical, and a water outlet of the mixing cavity is arranged at the bottom end of the mixing cavity; a plurality of ribbed plates extend outwards from the side wall of the lower half cavity of the mixing cavity, and the upper surfaces of the ribbed plates incline towards the inner side of the mixing cavity; the rib plates in the same group are arranged in a space spiral shape.
Further, the air conditioner terminal equipment comprises a fan coil, a noise reduction plate is arranged in an air outlet pipeline of the fan coil, the surface of the noise reduction plate is of a honeycomb structure which is arranged in a penetrating mode, the penetrating direction of the honeycomb structure is along the extending direction of the air outlet pipeline, and the noise reduction plate is arranged in the air outlet pipeline in a continuous broken line mode.
Furthermore, the air conditioner terminal equipment comprises a fresh air fan, and the fresh air fan comprises a plurality of air inlet terminals and a plurality of air outlet terminals; the air outlet end comprises a dehumidification air outlet, and the air outlet direction of the dehumidification air outlet is inclined towards the position of the door; the air inlet tail end comprises a side dehumidification tail end and an upper dehumidification tail end, and the side dehumidification tail end and the upper dehumidification tail end are arranged on the side part and the upper part of the door frame in a surrounding manner respectively; a plurality of dehumidification holes are formed in the lateral dehumidification tail end and the upper dehumidification tail end; the orifices of the dehumidification holes are inwards sunken in a conical shape, and the dehumidification holes on the lateral dehumidification tail ends are gradually and tightly arranged from top to bottom; and delay control valves are arranged in the air inlet pipelines at the lateral dehumidification tail end and the upper dehumidification tail end and are in signal communication with the inductive switch sensors on the room door.
Further, the air conditioner end equipment still includes new fan, be provided with air mixing chamber in the new fan, air mixing chamber is the calabash form, concatenates by the bellied hybrid chamber of a plurality of and forms, the bellied department of hybrid chamber is provided with the uniform flow board, the face and the air current direction looks vertical of uniform flow board, the board side of uniform flow board and the inner wall of hybrid chamber meet, just a plurality of wind holes have been seted up to the edge of uniform flow board.
Has the advantages that: the invention relates to a design, planning and installation method of an air source and ground source heat pump air conditioning system, which has the following beneficial effects:
1. the water mixing device is arranged, hot water heated by the outside is mixed with cold water supplied by the ground source heat pump unit through the adjustment of the proportional valve, and then the mixed semi-cold water is input into the floor heating pipe, so that the temperature of the water in the floor heating pipe is not too low, the water is close to the adaptive temperature of a human body, and the sensible effect of cold supply is better;
2. a noise reduction plate is arranged in the air outlet pipeline, and the surface of the noise reduction plate is of a honeycomb structure which is arranged in a penetrating way, so that noise is effectively absorbed;
3. triangular turbulence blocks are circumferentially distributed on the inner wall of the pipeline of the buried pipe in an array manner to perform turbulence on carrier water in the buried pipe, so that heat exchange between the carrier water and soil is promoted; a heat exchange groove corresponding to the turbulence block is arranged outside the pipeline of the buried pipe, so that the heat exchange area of the buried pipe is increased, heat exchange fins are arranged on the heat exchange wall of the heat exchange groove in an outward extending mode, the heat exchange area of the buried pipe and soil is further increased, and the heat exchange effect is improved;
4. the dehumidification tail end arranged around the door frame can guide outside air into the fresh air system when the door is opened, and then the fresh air system adjusts the temperature and the humidity, so that the phenomenon that the outside air directly causes the increase of indoor humidity to cause the condensation of a capillary network is avoided;
5. the lifting assembly is arranged in the floor heating pipe in the installation process, so that the problem that the floor is warped due to the fact that the pipe diameter of the floor heating pipe expands to press the floor is avoided; the anti-cracking device is arranged in the floor heating pipe, so that extra volume can be provided for the floor heating pipe when water in the floor heating pipe is frozen, and the floor heating pipe is prevented from being burst;
6. the fresh air system is internally provided with a mixing cavity which accelerates the mixing between the air introduced from the outside and the air reflowed indoors.
Drawings
FIG. 1 is a schematic view of the installation and fixation of a ground heating pipe;
FIG. 2 is a schematic view of the internal structure of the anti-cracking device;
FIG. 3 is a schematic view of the installation of a buried pipe;
FIG. 4 is a schematic structural diagram of a buried pipe;
FIG. 5 is a connection diagram of internal components of the water mixing device;
FIG. 6 is a schematic diagram of the internal structure of the mixing chamber;
FIG. 7 is a schematic view of the internal structure of a fan coil;
FIG. 8 is a schematic view of the connection of the internal piping of the fresh air machine;
FIG. 9 is a schematic view of the internal structure of the mixing chamber.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The design, planning and installation method of the air source and ground source heat pump air conditioning system as shown in the attached fig. 1 to 9 comprises the steps of laying pipelines of an outdoor heat pump system, installing a water collecting and distributing device, installing an indoor pipeline, flushing all pipelines of the outdoor system, installing an air conditioner host and a water pump, laying air conditioner terminal equipment, performing tightness and strength tests on indoor pipelines, flushing all pipelines of the indoor system, performing commissioning and debugging an air conditioner.
The outdoor heat pump system is a ground source heat pump system, and the laying process of the ground source heat pump system comprises positioning pile crossing, vertical well construction, vertical buried pipe installation, horizontal pipe laying and loop collecting pipe laying;
the construction steps of the vertical well are as follows:
1. if the underground pipeline cannot be determined, excavating a ditch with a proper depth and size of more than 40cm, excavating a mud pit, and making a groove in which mud flows along the current before drilling;
2. selecting the shape of the U-shaped elbow of the vertical well without adopting a straight pipeline for bending;
3. before the vertical buried pipe heat exchanger is inserted into a drill hole, a first hydraulic test is carried out. The test pressure is 1.6MPa, the pressure is stabilized for at least 15min, the pressure drop after pressure stabilization is not more than 3 percent, and the leakage phenomenon is avoided; then, discharging the pipe under pressure when the pressure is reduced to 0.6MPa, and maintaining the pressure for 1h, wherein the pipe is qualified if the pressure is not reduced;
4. the tube-laying depth is determined and is not lower than the design depth or the intersecting bottom depth;
5. after the pressure gauge is removed, the pipe orifice is sealed by a choke plug or an adhesive tape in time to prevent slurry, impurities and the like from entering and blocking the pipe orifice to influence the heat exchange of the system;
6. grouting and backfilling immediately after the vertical underground pipe is arranged, wherein the heat conductivity coefficient of backfill is not lower than that of soil, backfilling is dense, backfilling is carried out for multiple times, and one-time backfilling is carried out for multiple times; when the depth of the buried pipe exceeds 40m, grouting and backfilling are carried out after the surrounding drill holes are drilled.
In the process of laying the horizontal pipes and the loop headers, the construction steps are as follows:
1. excavating a horizontal pipe trench according to the required depth, width, gradient and horizontal pipe trend;
2. when the groove is excavated to the designed elevation of about 0.1-0.2 m, the groove is prevented from being immersed by rainwater or other water sources, and preventive measures are taken; when the possibility of rainwater or other water sources is confirmed to be unavailable, the excavation can be continued;
3. when the trench is excavated to the designed elevation, the exposure time of undisturbed soil needs to be shortened as much as possible, and after the pipeline is laid, backfilling and tamping need to be carried out as soon as possible according to requirements;
4. when each side of the groove is temporarily piled or other loads are applied, the following regulations are met: the safety of buildings, various pipelines and other facilities must not be influenced; fire hydrant, pipeline gate valve, gully, measuring mark and various well covers of underground pipelines must not be buried and their normal use must not be hindered; when the groove is dug manually, the mound height is not more than 1.5m, and the distance from the edge of the groove opening is not less than 0.8 m;
5. after the groove of the horizontal buried pipe is dug, stones in the groove are cleaned, and the bottom of the groove is tamped. Before laying the pipeline, a fine sand cushion layer with the thickness not less than the pipe diameter is laid at the bottom of the groove after being tamped. When the sand cushion layer is vertically or unevenly settled on an overground road or a building, the soft base layer which damages a horizontal buried pipe can be reduced;
6. checking that no stone exists in the ditch and fine sand is flat, and then putting the pipeline into the ditch;
7. and after the vertical pipe heat exchanger and the loop collecting pipe are assembled, performing a second hydraulic test before backfilling. Under the test pressure (0.6MPa), stabilizing the pressure for at least 30min, wherein the pressure drop after the pressure stabilization is not more than 3 percent, and the leakage phenomenon does not occur;
8. when backfilling, the following regulations should be met: in the range of 500mm from the bottom of the tank to the top of the pipe, the steel pipe does not contain organic matters, frozen soil, bricks, stones and other hard blocks larger than 500 mm; backfilling fine soil at the interface of the smearing belt and around the anticorrosion insulating layer or the cable;
9. when double rows or multiple rows of pipelines are arranged in the same groove but the elevation of the bottom surface of the foundation is different, the groove with the lower foundation is backfilled; when backfilling is carried out to a higher foundation bottom surface elevation, backfilling is carried out according to the rules of the previous strip; and the pipelines can not be crossed;
10. marking the horizontal tube by using a marking pen, wherein the horizontal tube can be fed in and discharged out without confusion, and the distance between the horizontal tube and the marking pen is not less than 10 cm;
11. the fluid in the tube of the buried heat exchanger should be maintained in a turbulent flow state, and the gradient of the horizontal loop header is preferably 0.002.
The installation steps of the water collecting and distributing device sequentially comprise the steps of inspecting the quality of the water collecting and distributing device, including inspecting the type, the model and the specification of the water collecting and distributing device, inspecting whether the interface thread is complete and whether the anticorrosive coatings of the water collecting and distributing device bracket and the baffle are intact and have no scratch;
positioning the installation position, installing a water collecting and distributing device, generally supporting the water collecting and distributing device through a bracket, punching holes through a number hole according to the height calibrated by a drawing during installation, fixing the water collecting and distributing device on the wall by using expansion bolts, and then installing the water collecting and distributing device on the bracket;
the inlet of the water collecting and distributing device is connected with the heat supply pipeline, and a valve, a filter and a heat metering device (a system with heat metering requirements) are arranged on the water supply pipeline in front of the water distributing device along the water flow direction. A water return connecting pipe behind the water collector is provided with a turn-off regulating valve which can be replaced by a balance valve if necessary; a bypass pipe is preferably arranged between the water inlet pipe of the water separator and the water outlet pipe of the water collector. A valve is arranged on the bypass pipe to ensure that sewage does not flow into the heating pipe when the heating pipe system is flushed;
connecting the outlet of the water collecting and distributing device with a heating pipeline, and respectively connecting the water inlet and the water outlet of each loop heating pipe with the water collecting and distributing device, wherein the water inlet and the water outlet are required to be in one-to-one correspondence; when the heating pipe is connected with the metal water collecting and distributing device through the connecting clamping and pressing type clamping structure, the heating pipe is connected with the connecting piece, the pipe orifice is required to be cut smoothly, the tangent plane is perpendicular to the axis of the pipe, a silica gel sealing ring on the interface cannot be damaged when the pipe orifice is inserted into the interface, the pipe orifice is inserted in place, and the clamping ring firmly locks the connecting part and cannot leak.
The air conditioner terminal equipment comprises a ground heating pipe, and the ground heating pipe is arranged between the clamping plates 3 on the upper surfaces of the upper fixing block 1 and the lower fixing block 2; the clamping plate 3 and the lower fixing block 2 are arranged at intervals and connected through a lifting component 4; the lower end of the lifting component 4 is rotatably connected with the lower fixing block 2, and the lifting component 4 is in threaded fit with the clamping plate 3;
an anti-cracking device 5 is arranged in the floor heating pipe, an annular sliding cavity 6 is arranged in the anti-cracking device 5, the annular sliding cavity 6 comprises a closed end 7 and an open end 8, and a sealing sliding block 9 is arranged at the open end 8; an elastic piece 10 is arranged in the annular sliding cavity 6, and two ends of the elastic piece 10 are respectively connected with the closed end 7 and the sealing sliding block 9;
when the body of ground heating coil is bloated, lifting unit 4 drives grip block 3 and descends, shorten grip block 3 with interval between lower fixed block 2 provides extra space for the ground heating coil that expands, prevents that ground heating coil from destroying installation piece and floor because of expanding.
At the intraductal in-process that freezes of ground heating, water can oppress sealed slider 9, sealed slider 9 pressurized compression elastic component 10, elastic component 10 are followed annular chamber 6 that slides, thereby has increased the volume of ground heating coil prevents to freeze the in-process ground heating coil spalling.
The centre of a circle department of annular chamber 6 that slides is provided with pivot 11, the vertical setting of pivot 11, pivot 11 through connecting rod 101 with sealed slider 9 is connected, when sealed slider 9 removed along annular chamber 9 that slides, just can drive pivot 11 rotations through connecting rod 101. One end of the rotating shaft 11 penetrates through the pipe wall of the floor heating pipe and is matched with the circumferential clamping position at the upper end of the lifting component 4, so that the rotating shaft 11 can drive the lifting component 4 to rotate when rotating; the sealing sliding block 9 slides and drives the lifting assembly 4 to rotate through the rotating shaft 11, and after the lifting assembly 4 rotates, the clamping plate 3 is driven to descend through thread fit, so that the distance between the upper fixing block 1 and the lower fixing block 2 is increased.
A plurality of turbulence units 12 are arranged on a buried pipe in the ground source heat pump system, each turbulence unit 12 is composed of a plurality of triangular turbulence blocks 13, the plurality of turbulence blocks 13 are distributed on the inner pipe wall of the buried pipe in a circumferential array manner, and the direction of one sharp corner of each triangular turbulence block 13 is opposite to the flowing direction of water flow; the outer pipe wall of the buried pipe is provided with a triangular heat exchange groove 14, the shape of the heat exchange groove 14 is consistent with that of the turbulence block 13, the position of the heat exchange groove 14 on the outer pipe wall corresponds to the position of the turbulence block 13 on the inner pipe wall, a sharp corner of the turbulence block 13 opposite to the flow direction of water flow is a flow guide angle 103, two sides of the flow guide angle 103 are flow guide sides 102, two side groove walls of the heat exchange groove 14 corresponding to the flow guide sides 102 are heat exchange walls, and the heat exchange walls extend in the direction perpendicular to the buried pipe body and are provided with heat exchange fins 15.
The cross-sectional area of the pipeline corresponding to the turbulence unit 12 in the underground pipe is gradually reduced along the flowing direction of the water flow, so that the carrier water in the underground pipe can be accelerated when passing through the turbulence unit 12, and the water flow channel formed between the triangular turbulence blocks 13 can well play a role of disturbing the carrier water in the underground pipe, and the heat exchange efficiency of the water in the turbulence state is higher than that of the water flowing stably. The mutual matching arrangement of the heat exchange grooves 14 and the flow disturbing blocks 13 also enables the heat exchange between the carrier water and the soil to be more sufficient. The heat exchange fins 15 can further increase the heat exchange area between the buried pipe 4 and the soil.
The air conditioner terminal equipment comprises a water mixing device and a ground heating pipe, wherein the water mixing device comprises a proportion regulating valve 17, a mixing cavity 18 and a driving water pump 19; a cold water inlet of the mixing cavity 18 is connected with a water outlet of the ground source heat pump system, an outlet of the mixing cavity 18 is connected with a water inlet of the ground heating pipe, and a water outlet of the ground heating pipe is connected with a water inlet of the proportional control valve 17; the proportional regulating valve 17 has two outlets, the first outlet is connected with the water inlet of the ground source heat pump system, and the second outlet is connected with the hot water inlet of the mixing cavity 18; the drive water pump 19 is disposed between the second outlet and the hot water inlet.
In the actual refrigeration process, the ground heating coil can assist the fan coil to refrigerate, and the overall refrigeration effect is better. The temperature of water flow output from the pipeline of the ground source heat pump system is 7 ℃, so that the fan coil can directly utilize the water with the temperature of 7 ℃ to perform coil heat exchange, and then refrigeration is performed. However, since the temperature of the floor heating pipe is adjusted by radiation, if water with a temperature of 7 ℃ is directly used, the water temperature is too low, causing discomfort to a human body, and thus a water mixing device is introduced. The water flow in the floor heating pipe is influenced by the outside world to be heated up in summer, so that the temperature is 22 degrees. The hot water flow of 22 degrees and the cold water flow of 7 degrees are mixed under the action of the proportion regulating valve 17, and finally the water flow is neutralized into the water flow of about 18 degrees, and the water flow with the temperature is slightly lower than the indoor temperature, so that the effects of cooling and refrigerating can be achieved, and the discomfort of a human body can not be caused.
The cold water inlet and the hot water inlet are both arranged in the upper half cavity of the mixing cavity 18, the tail ends of the cold water inlet and the hot water inlet are both provided with the spray headers 20, the mixing of cold water flow and hot water cooling is accelerated in a spraying mode, the spraying directions of the two groups of spray headers 20 are relatively inclined, so that the cold water flow and the hot water flow are relatively sprayed and are more quickly mixed; the lower half cavity of the mixing cavity 18 is conical, and a water outlet of the mixing cavity 18 is arranged at the bottom end of the mixing cavity 18; a plurality of ribbed plates 35 extend outwards from the side wall of the lower half cavity of the mixing cavity 18, and the upper surfaces of the ribbed plates 35 incline towards the inner side of the mixing cavity 18; the plurality of rib plates 35 are divided into a plurality of groups, and the rib plates 35 in the same group are arranged in a spatial spiral manner. The hot water flow and the cold water flow sprayed from the spray header 10 have a downward spiral motion after being mixed and a process of convergence and fusion, so that the mixing of the cold water flow and the hot water flow is promoted.
The air conditioner terminal equipment comprises a fan coil, wherein a coil heat exchanger 107, a fan 105 and an outer shell 104 are arranged in the fan coil, and the fan 105 is arranged in the outer shell 104 through an elastic structure 106. The utility model discloses a fan coil, be provided with in fan coil's the air-out pipeline 23 and fall board 21 of making an uproar, fall the honeycomb structure 22 that the face of board 21 of making an uproar is for lining up the setting, honeycomb structure 22 link up the direction and follow the extending direction of air-out pipeline 23, and a plurality of fall board 21 of making an uproar and be in be continuous broken line shape in the air-out pipeline 23 and arrange. The honeycomb structure 22 can absorb noise, and a plurality of the noise reduction plates 21 are arranged in the air outlet pipeline 23 in a continuous broken line shape, and noise is reduced for a plurality of times and the length of a noise reduction section in the air outlet pipeline 23 is prolonged. The through direction of the honeycomb structure 22 is consistent with the length direction of the air outlet pipeline 23, but not perpendicular to the surface of the noise reduction plate 4, so that the wind resistance of the noise reduction plate is reduced.
The air conditioner terminal equipment comprises a fresh air fan, and the fresh air fan comprises a plurality of air inlet terminals 24 and a plurality of air outlet terminals 25; the air outlet end comprises a dehumidification air outlet 26, and the air outlet direction of the dehumidification air outlet 26 inclines towards the position of the door; the air inlet end 24 comprises a side dehumidification end 27 and an upper dehumidification end 28, the side dehumidification end 27 and the upper dehumidification end 28 are collectively called as a dehumidification end 108, and the side dehumidification end 27 and the upper dehumidification end 28 are respectively arranged on the side and the upper part of the door frame in a surrounding manner; a plurality of dehumidification holes 29 are formed in the side dehumidification tail end 27 and the upper dehumidification tail end 28; the orifice of the dehumidification hole 28 is concave inwards in a conical shape, and the dehumidification holes 29 on the side dehumidification tail end 27 are arranged from top to bottom and are gradually and tightly arranged; and delay control valves 30 are arranged in air inlet pipelines of the side dehumidification tail end 27 and the upper dehumidification tail end 28, and the delay control valves 30 are in signal communication with induction switch sensors on the room door.
When the door was opened, the air that gets into from the external world was directly extracted to side dehumidification end 27 and last dehumidification end 28, carries out temperature humidity control by new fan to the air of extraction again, avoids the external air directly to arouse the increase of indoor humidity, causes the capillary network dewfall. According to the prior art, a corresponding humidity adjusting device is arranged in the fresh air handling unit.
And an inductive switch sensor is arranged on the room door and used for detecting the opening and closing of the door. The inductive switch sensor is in signal communication with the delay control valve 30, and controls the opening and closing of the delay control valve 30 by detecting the opening and closing of the door, so that the energy consumption is reduced. The delay control valve 30 is configured such that the delay control valve 30 performs a closing operation after a time delay after the inductive switch sensor detects the closing of the door.
The air-conditioning terminal equipment further comprises a fresh air fan, wherein a mixing air chamber 31 is arranged in the fresh air fan, the mixing air chamber 31 is in a gourd shape and is formed by connecting a plurality of expanded mixing cavities 32 in series, the expanded part of the mixing cavity 32 is provided with a uniform flow plate 33, the surface of the uniform flow plate 33 is perpendicular to the direction of air flow, the plate side of the uniform flow plate 33 is connected with the inner wall of the mixing cavity 32, and a plurality of air holes 34 are formed in the edge of the uniform flow plate 33.
The outside air and the return air are mixed at an accelerated rate due to the constant change of the cross-sectional area while passing through the enlarged mixing chamber 32 and the connection passage between the mixing chambers 32. The setting of flow homogenizing plate 33 can stir the air, further mixes the air, and the air misce bene is favorable to subsequent humiture processing.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (9)
1. A design, planning and installation method of an air source and ground source heat pump air conditioning system is characterized in that: laying pipelines of an outdoor heat pump system, installing a water collecting and distributing device, installing an indoor pipeline, flushing all pipelines of the outdoor system, installing an air conditioner host and a water pump, laying air conditioner tail end equipment, performing tightness and strength tests on indoor pipelines, flushing all pipelines of the indoor system, and commissioning and debugging the air conditioner.
2. The method for designing, planning and installing the air-conditioning system of the air source and ground source heat pump as claimed in claim 1, wherein the method comprises the following steps: the outdoor heat pump system is a ground source heat pump system, and the laying process of the ground source heat pump system comprises positioning pile crossing, vertical well construction, vertical buried pipe installation, horizontal pipe laying and loop collecting pipe laying;
in the construction process of the vertical well, firstly, excavating a detection ditch to judge whether a pipeline exists underground or not, and then excavating a mud pit; after the first hydrostatic test is carried out, inserting and drilling a hole of the vertical underground pipe heat exchanger, checking the pipe descending depth of the vertical underground pipe, and immediately grouting and backfilling after the vertical underground pipe is descended;
in the process of laying the horizontal pipes and the loop collecting pipes, a pipe ditch of the horizontal pipes is dug firstly, stones in the ditch are cleaned, the bottom of the ditch is tamped, the horizontal pipes and the loop collecting pipes can be laid behind a fine sand cushion layer with the thickness not less than the pipe diameter, and after the vertical pipes, the heat exchanger and the loop collecting pipes are assembled, a second hydrostatic test is carried out before backfilling.
3. The method for designing, planning and installing the air-conditioning system of the air source and ground source heat pump as claimed in claim 1, wherein the method comprises the following steps: the installation steps of the water collecting and distributing device are sequentially to check the quality of the water collecting and distributing device, locate the installation position and then install the water collecting and distributing device, connect the inlet of the water collecting and distributing device with the heat supply pipeline and connect the outlet of the water collecting and distributing device with the heat supply pipeline.
4. The method for designing, planning and installing the air-conditioning system of the air source and ground source heat pump as claimed in claim 1, wherein the method comprises the following steps: the air conditioner terminal equipment comprises a ground heating pipe, and the ground heating pipe is arranged between the clamping plates (3) on the upper surfaces of the upper fixing block (1) and the lower fixing block (2); the clamping plate (3) and the lower fixing block (2) are arranged at intervals and connected through a lifting assembly (4); the lower end of the lifting component (4) is rotatably connected with the lower fixing block (2), and the lifting component (4) is in threaded fit with the clamping plate (3);
an anti-cracking device (5) is arranged in the floor heating pipe, an annular sliding cavity (6) is arranged in the anti-cracking device (5), the annular sliding cavity (6) comprises a closed end (7) and an open end (8), and a sealing sliding block (9) is arranged at the open end (8); an elastic piece (10) is arranged in the annular sliding cavity (6), and two ends of the elastic piece (10) are respectively connected with the closed end (7) and the sealing sliding block (9);
a rotating shaft (11) is arranged at the circle center of the annular sliding cavity (6), the rotating shaft (11) is connected with the sealing slide block (9) through a connecting rod, and one end of the rotating shaft (11) penetrates through the pipe wall of the floor heating pipe to be matched with the upper end of the lifting assembly (4) in a circumferential clamping manner; the sealing sliding block (9) slides and drives the lifting component (4) to rotate through the rotating shaft (11).
5. The method for designing, planning and installing the air-conditioning system of the air source and ground source heat pump as claimed in claim 1, wherein the method comprises the following steps: a plurality of turbulence units (12) are arranged on a buried pipe in the ground source heat pump system, each turbulence unit (12) is composed of a plurality of triangular turbulence blocks (13), the plurality of turbulence blocks (13) are distributed on the inner pipe wall of the buried pipe in a circumferential array manner, and the direction of one sharp corner of each triangular turbulence block (13) is opposite to the flowing direction of water flow; the buried pipe heat exchanger is characterized in that a triangular heat exchange groove (14) is formed in the outer pipe wall of the buried pipe, the shape of the heat exchange groove (14) is consistent with that of the turbulence block (13), the position of the heat exchange groove (14) on the outer pipe wall corresponds to that of the turbulence block (13) on the inner pipe wall, and heat exchange fins (15) extend from the edge of the heat exchange groove (14) in the direction perpendicular to the pipe body of the buried pipe.
6. The method for designing, planning and installing the air-conditioning system of the air source and ground source heat pump as claimed in claim 1, wherein the method comprises the following steps: the air conditioner tail end equipment comprises a water mixing device and a ground heating pipe, wherein the water mixing device comprises a proportion adjusting valve (17), a mixing cavity (18) and a driving water pump (19); a cold water inlet of the mixing cavity (18) is connected with a water outlet of the ground source heat pump system, an outlet of the mixing cavity (18) is connected with a water inlet of the ground heating pipe, and a water outlet of the ground heating pipe is connected with a water inlet of the proportion regulating valve (17); the proportional regulating valve (17) is provided with two outlets, the first outlet is connected with the water inlet of the ground source heat pump system, and the second outlet is connected with the hot water inlet of the mixing cavity (18); the drive water pump (19) is arranged between the second outlet and the hot water inlet; the cold water inlet and the hot water inlet are both arranged in the upper half cavity of the mixing cavity (18), the tail ends of the cold water inlet and the hot water inlet are both provided with spray headers (20), and the spraying directions of the two groups of spray headers (20) are relatively inclined; the lower half cavity of the mixing cavity (18) is conical, and a water outlet of the mixing cavity (18) is formed in the bottom end of the mixing cavity (18); a plurality of ribbed plates (35) extend outwards from the side wall of the lower half cavity of the mixing cavity (18), and the upper surfaces of the ribbed plates (35) incline towards the inner side of the mixing cavity (18); the rib plates (35) are divided into a plurality of groups, and the rib plates (35) in the same group are arranged in a space spiral shape.
7. The method for designing, planning and installing the air-conditioning system of the air source and ground source heat pump as claimed in claim 1, wherein the method comprises the following steps: the air conditioner terminal equipment comprises a fan coil, wherein a noise reduction plate (21) is arranged in an air outlet pipeline (23) of the fan coil, a honeycomb structure (22) arranged through the noise reduction plate (21) is arranged on the surface of the noise reduction plate, the through direction of the honeycomb structure (22) is along the extending direction of the air outlet pipeline (23), and the noise reduction plate (21) is arranged in the air outlet pipeline (23) in a continuous broken line shape.
8. The method for designing, planning and installing the air-conditioning system of the air source and ground source heat pump as claimed in claim 1, wherein the method comprises the following steps: the air conditioner terminal equipment comprises a fresh air fan, and the fresh air fan comprises a plurality of air inlet terminals (24) and a plurality of air outlet terminals (25); the air outlet end comprises a dehumidification air outlet (26), and the air outlet direction of the dehumidification air outlet (26) inclines towards the position of the door; the air inlet tail end (24) comprises a side dehumidification tail end (27) and an upper dehumidification tail end (28), and the side dehumidification tail end (27) and the upper dehumidification tail end (28) are arranged on the side part and the upper part of the door frame in a surrounding manner respectively; a plurality of dehumidification holes (29) are formed in the side dehumidification tail end (27) and the upper dehumidification tail end (28); the orifice of the dehumidification hole (28) is inwards sunken in a conical shape, and the dehumidification holes (29) on the lateral dehumidification tail end (27) are gradually and tightly arranged from top to bottom; and time delay control valves (30) are arranged in air inlet pipelines of the side dehumidification tail end (27) and the upper dehumidification tail end (28), and the time delay control valves (30) are communicated with induction switch sensors on the room door in a signal mode.
9. The method for designing, planning and installing the air-conditioning system of the air source and ground source heat pump as claimed in claim 1, wherein the method comprises the following steps: the air conditioner end equipment still includes new fan, be provided with air mixing chamber (31) in the new fan, air mixing chamber (31) are the calabash form, concatenate by the bellied hybrid chamber (32) of a plurality of and form, the bellied department of hybrid chamber (32) is provided with even flow board (33), the face and the air current direction looks of even flow board (33) are perpendicular, the inboard of even flow board (33) and the inner wall of hybrid chamber (32) meet, just a plurality of wind holes (34) have been seted up to the edge of even flow board (33).
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