CN115854613B - Temperature adjusting device for cold and heat recovery process of split carbon dioxide heat pump - Google Patents
Temperature adjusting device for cold and heat recovery process of split carbon dioxide heat pump Download PDFInfo
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- CN115854613B CN115854613B CN202310194277.1A CN202310194277A CN115854613B CN 115854613 B CN115854613 B CN 115854613B CN 202310194277 A CN202310194277 A CN 202310194277A CN 115854613 B CN115854613 B CN 115854613B
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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
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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Abstract
The application discloses a temperature regulating device for a split carbon dioxide heat pump cold and heat recovery process, which relates to the technical field of temperature regulating equipment and comprises a containing box body, a heat exchange bin body, an air inlet pipe, an air outlet pipe, a flushing component for spraying water flow towards a heat exchange fin group and a hose expansion and contraction component; the heat exchange bin body comprises a top buffer bin with a water outlet pipe at one side, a heat exchange pipe, a bottom buffer bin with a water inlet pipe at one side, a rotary supporting pipe and a heat exchange fin group; the heat exchange tube comprises a top support ring, a plurality of strip hoses and a bottom support ring; the two ends of the strip-shaped hose are respectively fixed on the top support ring and the bottom support ring, and the strip-shaped hose are annularly arranged; the top end of the rotary supporting tube fixed with the heat exchange fin group is rotationally connected to the air inlet tube and the air outlet tube; the water outlet pipe, the water inlet pipe and the air inlet pipe are respectively internally provided with a temperature detection component; the technical effect that the temperature regulating device in the heat pump system is not easy to accumulate scale and frequent unpick and wash is not needed is realized.
Description
Technical Field
The invention relates to the technical field of temperature regulating equipment, in particular to a temperature regulating device for a cold and heat recovery process of a split carbon dioxide heat pump.
Background
The carbon dioxide air source heat pump heating technology has the characteristics of strong adaptability to outdoor temperature in cold areas, high outlet water temperature and the like, and has higher heating coefficient under the condition of large temperature difference of water supply and return; the carbon dioxide split heat pump is more environment-friendly than the traditional Freon heat pump.
As shown in fig. 2, the carbon dioxide heat pump system includes a heat absorbing evaporator, a compressor, a temperature adjusting device, a liquid storage tank, a filter, and an expansion valve; the carbon dioxide is subjected to isothermal expansion at the heat absorption evaporator to absorb heat in the air, then the carbon dioxide in a low-temperature low-pressure state is subjected to adiabatic compression on the compressor to form high-temperature high-pressure gas, the high-temperature high-pressure gas transfers heat energy to liquid in the temperature adjusting device through the temperature adjusting device, and then the high-temperature high-pressure gas is re-expanded into low-temperature low-pressure gas through the liquid storage tank, the filter and the expansion valve in sequence and re-enters the heat absorption evaporator to circularly flow; the existing temperature regulating device applied to the carbon dioxide heat pump system is used for regulating the temperature of gas and the temperature of liquid flowing through the temperature regulating device, the main structure is generally a combination of a heat exchanger and a plurality of temperature sensors, and water to be heated enters the temperature regulating device to be heated into required temperature after being softened by the soft water system.
Although the water entering the temperature regulating device is softened and filtered by the soft water system, scale is inevitably accumulated at the temperature regulating device due to the soft water system failure, long-time use of the temperature regulating device and other factors, and a series of adverse effects (influence on water flow speed, heat exchange efficiency and the like) are easily caused on the regulation of the temperature of liquid and gas while heat exchange is affected; aiming at the problems, the prior art mostly adopts a mode of frequently disassembling and washing the temperature regulating device to avoid a great deal of accumulation of scale at the temperature regulating device; although the scale can be effectively cleaned by disassembling the temperature adjusting device for cleaning, the disassembling and cleaning process is time-consuming and labor-consuming and the temperature adjusting device is easy to damage in the disassembling and assembling process.
Disclosure of Invention
According to the temperature regulating device for the split carbon dioxide heat pump cold and heat recovery process, the technical problems that in the prior art, scales are easily accumulated at the temperature regulating device by a heat pump system to influence the temperature regulating device to efficiently regulate the temperature of gas and liquid entering the heat pump system are solved, and in the prior art, the temperature regulating device needs to be frequently disassembled and washed, the disassembling and washing process is time-consuming and labor-consuming, and the temperature regulating device is easy to damage are solved; the technical effect that the temperature regulating device in the heat pump system is not easy to accumulate scale and frequent unpick and wash is not needed is realized.
The embodiment of the application provides a temperature regulating device in a cold and heat recovery process of a split carbon dioxide heat pump, which comprises a containing box body for bearing a heat exchange bin body, the heat exchange bin body, an air inlet pipe, an air outlet pipe, a flushing component for spraying water flow towards a heat exchange fin group and a hose expansion and contraction component for controlling expansion and contraction of a strip hose in a mode of controlling medium quantity in the strip hose;
the heat exchange bin body comprises a top buffer bin with a water outlet pipe at one side, a heat exchange pipe, a bottom buffer bin with a water inlet pipe at one side, a rotary supporting pipe and a heat exchange fin group; both the two buffer bins are hollow columns with one end open;
the heat exchange tube comprises a top support ring, a plurality of strip hoses and a bottom support ring; the top supporting ring and the bottom supporting ring are respectively fixed on the two buffer bins;
the two ends of the strip-shaped hose are respectively fixed on the top support ring and the bottom support ring, and the strip-shaped hose are annularly arranged;
the air inlet pipe and the air outlet pipe are respectively fixed on the top buffer bin and the bottom buffer bin, the top end of the rotary supporting pipe fixed with the heat exchange fin group is rotationally connected to the bottom of the air inlet pipe, and the bottom end is rotationally connected to the top of the air outlet pipe; when the flushing component flushes the heat exchange fin group, the flushing component can push the heat exchange fin group to rotate;
and the water outlet pipe, the water inlet pipe and the air inlet pipe are all internally provided with temperature detection components.
Further, one side of the accommodating box body is provided with a cleaning port for cleaning scale in the accommodating box body, the bottom of the accommodating box body is provided with an inclined bottom plate and a water outlet, the inclined bottom plate is used for guiding water flow to the water outlet, and the water outlet is provided with a screen; the bottom and the top of holding box all are equipped with the locating hole, and the locating hole is the through-hole for fixed heat transfer storehouse body.
Preferably, the cross section of the strip hose is elliptical.
Preferably, the flushing assembly comprises a water delivery pipe, a sliding nozzle and a sliding guide rail; the sliding guide rail is positioned in the accommodating box body and is longitudinally arranged for guiding the movement of the sliding spray head;
the sliding spray head slides under the control of the control unit and sprays water flow towards the heat exchange fin group; the water inlet pipe is provided with a water inlet distribution valve, and the water pipe conveys water from the water inlet distribution valve to the sliding spray head.
Preferably, the hose expansion and contraction component is a conveying pipe;
the water inlet pipe is provided with a water inlet distribution valve; the top support ring is provided with a water outlet facing the heat exchange fin group;
when the water inlet distribution valve is used, a part of water in the water inlet pipe is conveyed to the strip-shaped hose through the conveying pipe, and the strip-shaped hose is expanded when the water inlet amount is larger than the water outlet amount.
Preferably, the top support ring and the bottom support ring both have an inner diameter greater than 10 cm and the spacing between the top support ring and the bottom support ring is greater than 40 cm.
Preferably, the flushing component is one or more rows of water jet holes arranged on one or more strip hoses, and the water jet holes are through holes and all face the heat exchange fin groups;
the hose expansion and contraction component is a conveying pipe; the water inlet pipe is provided with a water inlet distribution valve;
when the water inlet distribution valve is used, a part of water in the water inlet pipe is conveyed to the strip-shaped hose through the conveying pipe and then is sprayed from the water spraying hole, and when the water inlet amount is larger than the water outlet amount, the strip-shaped hose is enlarged.
Preferably, a partition film is arranged in the strip-shaped hose, and the partition film is a strip-shaped rubber film and is fixed inside the strip-shaped hose to divide the strip-shaped hose into a first pipe and a second pipe;
the annular spaces in the top support ring and the bottom support ring are two, and are respectively communicated with the first pipe and the second pipe;
one or more rows of water holes are arranged on part or all of the first tubes, and the water holes face the heat exchange fin groups;
the water inlet pipe is provided with a water inlet distribution valve;
the hose expansion and contraction component is a conveying pipe; the conveying pipe is used for communicating the water inlet distribution valve with the second pipe;
a water delivery pipe is arranged on one water outlet of the water inlet distribution valve, and the water delivery pipe is communicated with the water inlet distribution valve and the first pipe; the top support ring is provided with a water outlet facing the heat exchange fin group, and the water outlet is communicated with the second pipe;
when the water inlet distribution valve is used, a part of the water inlet pipe is respectively conveyed to the first pipe and the second pipe under the control of the water inlet distribution valve control unit and is respectively used for flushing scale and expanding and contracting the strip-shaped hose.
Preferably, under the shrinkage state of the strip hose, the intermittent direction of the water inlet distribution valve is used for conveying water to the second pipe, and when the water inlet distribution valve is used for conveying water to the second pipe, the direction of the water injection hole is continuously changed, so that a better flushing effect is obtained.
Preferably, an elastic rope body is arranged between two adjacent strip-shaped hoses, the number of the elastic rope bodies is one less than that of the strip-shaped hoses, and the heights of all the elastic rope bodies are equal and are all positioned in the middle of the strip-shaped hoses;
the elastic rope body is made of rubber material; when the strip-shaped hose is in a contracted state, the strip-shaped hose is gathered together under the elastic action of the elastic rope body, so that a larger opening is formed at one side of the heat exchange tube, and flushing and scale discharge are facilitated;
when the strip hose is expanded, the strip hose overcomes the elasticity of the elastic rope body and is straightened again.
One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:
the temperature adjusting device in the prior art is optimized, and the temperature adjusting device comprises a containing box body, a heat exchange bin body, an air inlet pipe, an air outlet pipe, a flushing component and a hose expansion component, and a tubular heat exchange space is formed for temperature adjustment (heat exchange) by controlling the expansion of strip hoses which are annularly arranged; when descaling is needed, controlling the strip-shaped hose to shrink, then controlling the flushing assembly to spray water flow towards the heat exchange fin group to flush scale, and enabling the flushed scale to flow out from a gap between the strip-shaped hoses to a water outlet of the accommodating box body; the heat pump system effectively solves the technical problems that scale is easily accumulated at the temperature adjusting device in the prior art so as to influence the temperature adjusting device to efficiently adjust the temperature of gas and liquid entering the heat pump system, and the temperature adjusting device in the prior art needs frequent disassembly and washing, and the disassembly and washing process is time-consuming, labor-consuming and easy to damage the temperature adjusting device; and further, the technical effect that the temperature regulating device in the heat pump system is not easy to accumulate scale and does not need frequent unpick and wash is realized.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a temperature regulating device in the cold and heat recovery process of a split carbon dioxide heat pump;
FIG. 2 is a schematic diagram of the overall structure of a carbon dioxide heat pump system of the prior art;
FIG. 3 is a schematic view of the appearance structure of a temperature regulating device in the cold and heat recovery process of the split carbon dioxide heat pump;
FIG. 4 is a schematic diagram of the heat exchange bin of the temperature regulating device in the cold and heat recovery process of the split carbon dioxide heat pump;
FIG. 5 is a schematic diagram of the internal structure of a heat exchange bin of the temperature regulating device in the cold and heat recovery process of the split carbon dioxide heat pump;
FIG. 6 is a schematic diagram showing the positional relationship between an air inlet pipe and a rotary support pipe of a temperature regulating device in the cold and heat recovery process of a split carbon dioxide heat pump;
FIG. 7 is a schematic diagram of the heat exchange fin group of the temperature regulating device in the cold and heat recovery process of the split carbon dioxide heat pump;
FIG. 8 is a schematic diagram of the structure of a heat exchange tube of the temperature regulating device before a strip hose is enlarged in the cold and heat recovery process of the split carbon dioxide heat pump;
FIG. 9 is a schematic diagram of the structure of a heat exchange tube of the temperature regulating device after a strip hose is expanded in the cold and heat recovery process of the split carbon dioxide heat pump;
FIG. 10 is a schematic diagram of a flushing assembly of a temperature regulating device in the cold and heat recovery process of a split carbon dioxide heat pump according to the invention;
FIG. 11 is a schematic diagram showing the distribution mode of a strip hose of a temperature regulating device in the cold and heat recovery process of a split carbon dioxide heat pump;
FIG. 12 is a schematic diagram showing the distribution state of water jet holes on a strip hose of a temperature regulating device in the cold and heat recovery process of a split carbon dioxide heat pump;
FIG. 13 is a schematic diagram showing the communication relationship between a water inlet distribution valve and a strip hose of a temperature regulating device in the cold and heat recovery process of a split carbon dioxide heat pump;
FIG. 14 is a schematic view of the internal structure of a strip hose of the temperature regulating device in the cold and heat recovery process of the split carbon dioxide heat pump of the present invention;
fig. 15 is a schematic diagram of a deformation process of a strip hose of the temperature adjusting device in the cold and heat recovery process of the split carbon dioxide heat pump.
In the figure:
the accommodating box body 100, the cleaning opening 110, the inclined bottom plate 120, the water outlet 130, the screen 131 and the positioning hole 140;
the heat exchange bin body 200, the top surge bin 210, the water outlet pipe 211, the water outlet temperature detection component 212, the heat exchange tube 220, the top support ring 221, the strip hose 222, the bottom support ring 223, the partition film 224, the bottom surge bin 230, the water inlet pipe 231, the water inlet temperature detection component 232, the water inlet distribution valve 233, the rotary support tube 240, the heat exchange fin group 250 and the inclined fins 251;
an inlet pipe 300, a gas temperature detection assembly 310, a rotary seal assembly 320;
an outlet pipe 400;
the flushing assembly 500, the water pipe 510, the sliding nozzle 520, the sliding guide rail 530 and the water jet hole 540;
a delivery tube 610;
the elastic cord body 700.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings; the preferred embodiments of the present invention are illustrated in the drawings, however, the present invention may be embodied in many different forms and is not limited to the embodiments described herein; rather, these embodiments are provided so that this disclosure will be thorough and complete.
It should be noted that the terms "vertical", "horizontal", "upper", "lower", "left", "right", and the like are used herein for illustrative purposes only and do not represent the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, a schematic diagram of an overall structure of a temperature adjusting device in a cold and heat recovery process of a split carbon dioxide heat pump according to the present invention is shown; the temperature regulating device for the cold and heat recovery process of the split carbon dioxide heat pump comprises a containing box body 100, a heat exchange bin body 200, an air inlet pipe 300, an air outlet pipe 400, a flushing component 500 and a hose expansion and contraction component, wherein a tubular heat exchange space is formed by controlling the expansion of strip hoses 222 which are annularly arranged for temperature regulation (heat exchange); when descaling is needed, the strip-shaped hoses 222 are controlled to shrink, and then the flushing assembly 500 is controlled to spray water flow towards the heat exchange fin groups 250 to flush scale, and the flushed scale flows out from gaps among the strip-shaped hoses 222 and flows to the water outlet 130 of the accommodating box 100; the technical effect that the temperature regulating device in the heat pump system is not easy to accumulate scale and frequent unpick and wash is not needed is realized.
Example 1
As shown in fig. 1 and 3, the temperature adjusting device for the cold and heat recovery process of the split carbon dioxide heat pump of the invention comprises a containing box body 100, a heat exchange bin body 200, an air inlet pipe 300, an air outlet pipe 400, a flushing component 500, a hose expansion and contraction component, a power component and a control unit.
The accommodating box body 100 is used for bearing the heat exchange bin body 200 and collecting scale, the whole box body is of a box body structure, one side of the accommodating box body is provided with a cleaning opening 110 for cleaning the scale in the accommodating box body 100, the bottom of the accommodating box body is provided with an inclined bottom plate 120 and a water outlet 130, the inclined bottom plate 120 is used for guiding water flow to the water outlet 130, and the water outlet 130 is provided with a screen 131; the bottom and the top of the accommodating box 100 are provided with positioning holes 140, and the positioning holes 140 are through holes for fixing the heat exchange bin 200.
As shown in fig. 4 to 9, the heat exchange chamber 200 is configured to provide a heat exchange space to facilitate temperature adjustment, and includes a top buffer chamber 210, a heat exchange tube 220, a bottom buffer chamber 230, a rotary support tube 240, and a heat exchange fin group 250;
the top buffer bin 210 is a hollow column with an opening at the bottom, is fixed on the positioning hole 140 at the top of the accommodating box 100, and is used for supporting and positioning the air inlet pipe 300 and providing a buffer space for water flowing through the heat exchange bin 200; a water outlet pipe 211 is arranged on one side of the top buffer bin 210, and a water outlet temperature detection assembly 212 is arranged on the water outlet pipe 211;
the heat exchange tube 220 includes a top support ring 221, a bar hose 222, and a bottom support ring 223; the top support ring 221 and the bottom support ring 223 are hollow ring bodies, and are respectively fixed at the bottom of the top surge bin 210 and the top of the bottom surge bin 230, the inner diameters of the top support ring 221 and the bottom support ring 223 are both greater than 10 cm, and the distance between the top support ring 221 and the bottom support ring 223 is greater than 40 cm; the strip hose 222 is an elastic tube made of rubber, the diameter of the strip hose before expansion is less than 1 cm, the strip hose 222 is longitudinally arranged, the internal filler is gas or liquid, the top end of the strip hose is fixed on the top support ring 221, the bottom end of the strip hose is fixed on the bottom support ring 223, and the strip hose is communicated with the top support ring 221 and the space in the bottom support ring 223; the number of the strip-shaped hoses 222 is plural, and the strip-shaped hoses are uniformly distributed at the bottom of the top support ring 221 in a ring shape around the axis of the top support ring 221; when all the strip hoses 222 are inflated to a specific amount, the adjacent strip hoses 222 are tightly attached together, and all the strip hoses 222 together form a tube body;
the bottom buffering bin 230 is a hollow column with an opening at the top and is fixed on the positioning hole 140 at the bottom of the accommodating box 100, and is used for supporting the positioning air outlet pipe 400 and providing buffering space for water flowing through the heat exchange bin 200; a water inlet pipe 231 is arranged on one side of the bottom surge bin 230, and a water inlet temperature detection component 232 is arranged on the water inlet pipe 231;
the rotary support pipe 240 is a straight pipe, and is used as a gas channel, communicated with the gas inlet pipe 300 and the gas outlet pipe 400, longitudinally arranged, and rotatably connected to the bottom of the gas inlet pipe 300 at the top end and the top of the gas outlet pipe 400 at the bottom end, and the rotary sealing assembly 320 is positioned at the connection position;
the heat exchange fin group 250 is fixed on the rotary support tube 240, and the heat exchange fin group 250 is a combination of a plurality of fins for heat exchange and comprises inclined fins 251; the inclined fins 251 are obliquely arranged fins, and when the flushing assembly 500 flushes the inclined fins 251, the heat exchange fin group 250 is pushed to rotate around the axis of the rotation support tube 240 so as to drive the rotation support tube 240 to rotate.
Preferably, as shown in fig. 11, the cross section of the strip hose 222 is elliptical.
Preferably, the water outlet pipe 211 and the water inlet pipe 231 are respectively provided with a filter screen.
The air inlet pipe 300 is used for conveying high-temperature gas into the rotary support pipe 240, is fixed on the top buffer bin 210, is internally provided with a gas temperature detection assembly 310, is communicated with the flow regulating valve body at the top end and is communicated with the rotary support pipe 240 at the bottom end; the flow regulating valve body is controlled by a control unit for adjusting the flow of gas in the gas inlet pipe 300 as required.
Preferably, the outlet water temperature detecting component 212, the inlet water temperature detecting component 232 and the air temperature detecting component 310 are all temperature sensors, and are all in signal connection with the control unit.
The air outlet pipe 400 is fixed on the bottom surge bin 230, and the top end is communicated with the rotary supporting pipe 240.
The flushing assembly 500 is used to spray a water flow toward the heat exchange fin group 250 to flush down scale.
Preferably, as shown in fig. 1 and 10, the flushing assembly 500 includes a water pipe 510, a sliding nozzle 520, and a sliding rail 530; the sliding guide rail 530 is positioned inside the accommodating case 100, and is longitudinally disposed for guiding the movement of the sliding nozzle 520; the sliding nozzle 520 slides under the control of the control unit and sprays water flow toward the heat exchange fin group 250; the water inlet pipe 231 is provided with a water inlet distribution valve 233, and the water pipe 510 conveys water from the water inlet distribution valve 233 to the sliding nozzle 520.
The hose expansion and contraction assembly is used to control the expansion and contraction of the strip hose 222 by controlling the amount of medium within the strip hose 222.
Preferably, the hose expansion and contraction component is a combination of an air pump and an air pipe, the operation of the air pump is controlled by a control unit, and the expansion and contraction of the strip hose 222 is controlled by means of air pumping.
Preferably, the hose expansion and contraction component is a combination of a liquid pump and a transfusion tube, the operation of the liquid pump is controlled by a control unit, and the expansion and contraction of the strip hose 222 is controlled by a liquid pumping mode.
Preferably, the hose expansion assembly is a delivery tube 610; the water inlet pipe 231 is provided with a water inlet distribution valve 233; the top supporting ring 221 is provided with a water outlet facing the heat exchange fin group 250; in actual use, the water inlet distribution valve 233 delivers a portion of the water in the water inlet pipe 231 to the strip hose 222 through the delivery pipe 610, and the strip hose 222 expands when the water inlet amount is greater than the water outlet amount.
The power component is used for providing power for the operation of each component of the split carbon dioxide heat pump cold and heat recovery process temperature regulating device, and the control unit plays a role in controlling the coordinated operation of each component of the split carbon dioxide heat pump cold and heat recovery process temperature regulating device, and is in the prior art and is not repeated here.
Preferably, the control unit is a programmable logic controller.
In the application, the temperature adjusting device for the cold and heat recovery process of the split carbon dioxide heat pump is used in the process of:
the hoses 222 are normally in an inflated state and are in interference with each other; the control unit controls the residence time of water in the heat exchange tube 220 according to the gas temperature in the gas inlet tube 300 and the water temperature in the water inlet tube 231 so as to heat the water temperature to a required temperature and discharge the water from the water outlet tube 211; after the heat pump system is operated for a specific time (1 day, 5 days, etc.), the whole heat pump system is stopped, the strip hose 222 is controlled to shrink once, the flushing assembly 500 is operated once, and the heat exchange fin group 250 is cleaned in a flushing mode; then controlling the water inlet pipe 231 to convey water into the heat exchange pipe 220, and performing secondary flushing on the heat exchange pipe 220 and the heat exchange fin group 250 to flush scale into the accommodating box body 100 from the gap between the strip hoses 222; and then controlling the hose expansion and contraction assembly to operate, so that the strip hose 222 returns to an expansion state, and the whole heat pump system is continuously operated to produce hot water.
The technical scheme in the embodiment of the application at least has the following technical effects or advantages:
the heat pump system solves the technical problems that scale is easily accumulated at the temperature adjusting device in the prior art so as to influence the temperature adjusting device to efficiently adjust the temperature of gas and liquid entering the heat pump system, and the temperature adjusting device in the prior art needs frequent disassembly and washing, and the disassembly and washing process is time-consuming, labor-consuming and easy to damage; the technical effect that the temperature regulating device in the heat pump system is not easy to accumulate scale and frequent unpick and wash is not needed is realized.
Example two
In order to improve the flushing efficiency and reduce the manufacturing and use costs of the temperature adjusting device, it is preferable that, as shown in fig. 12, the flushing assembly 500 is one or more rows of water injection holes 540 disposed on one or more of the strip hoses 222, and the water injection holes 540 are through holes and all face the heat exchange fin group 250; the hose expansion assembly is a delivery tube 610; the water inlet pipe 231 is provided with a water inlet distribution valve 233; in actual use, the water inlet distribution valve 233 delivers a portion of the water in the water inlet pipe 231 to the strip hose 222 through the delivery pipe 610 and then sprays the water from the water injection hole 540, and the strip hose 222 expands when the water inlet amount is greater than the water outlet amount.
The flushing assembly 500 also sprays water towards the heat exchange fin group 250 in the expanded state of the strip hose 222, so as to play a role in disturbing water flow and accelerating heat exchange.
Preferably, as shown in fig. 13 and 14, the strip hose 222 is provided with a partition film 224, the partition film 224 is a strip-shaped rubber film and is fixed inside the strip hose 222 to divide the strip hose 222 into two pipe bodies, which are defined as a first pipe and a second pipe for convenience of description; the annular spaces in the top support ring 221 and the bottom support ring 223 are two, and are respectively communicated with the first pipe and the second pipe; one or more rows of water holes 540 are arranged on part or all of the first tubes, and the water holes 540 face the heat exchange fin group 250; the water inlet pipe 231 is provided with a water inlet distribution valve 233; the hose expansion assembly is a delivery tube 610; the delivery pipe 610 communicates the water inlet distribution valve 233 with the second pipe; a water delivery pipe 510 is arranged on one water outlet of the water inlet distribution valve 233, and the water delivery pipe 510 is used for communicating the water inlet distribution valve 233 with the first pipe; the top supporting ring 221 is provided with a water outlet facing the heat exchange fin group 250, and the water outlet is communicated with the second pipe; in actual use, the water inlet distribution valve 233 is controlled by the control unit to convey a part of the water inlet pipe 231 to the first pipe and the second pipe, respectively, for flushing scale and collapsing the strip hose 222, respectively.
Preferably, in the contracted state of the strip hose 222, the water inlet distribution valve 233 intermittently transmits water to the second pipe, and when the water inlet distribution valve 233 transmits water to the second pipe, the direction of the water injection hole 540 is continuously changed, so that a better flushing effect is obtained.
Example III
In order to further improve the practicability of the application, as shown in fig. 15, one elastic rope body 700 is arranged between two adjacent strip hoses 222, the number of the elastic rope bodies 700 is one less than that of the strip hoses 222 (i.e. no elastic rope body 700 is connected between the two strip hoses 222), and the heights of all the elastic rope bodies 700 are the same and are all positioned in the middle of the strip hoses 222; the elastic rope body 700 is made of rubber elastic rope; when the strip hose 222 is in a contracted state, the strip hose 222 gathers together under the elastic force of the elastic rope body 700, so that a larger opening is formed at one side of the heat exchange tube 220, and flushing and scale discharge are facilitated; when the strip hose 222 is inflated, the strip hose 222 is re-straightened against the elastic force of the bungee cord 700.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A temperature adjusting device for a cold and heat recovery process of a split carbon dioxide heat pump is characterized in that: the device comprises a containing box body (100) for bearing a heat exchange bin body (200), the heat exchange bin body (200), an air inlet pipe (300), an air outlet pipe (400), a flushing component (500) for spraying water flow towards a heat exchange fin group (250) and a hose expansion and contraction component for controlling expansion and contraction of a strip hose (222) in a mode of controlling medium quantity in the strip hose (222);
the heat exchange bin body (200) comprises a top buffer bin (210) with a water outlet pipe (211) at one side, a heat exchange pipe (220), a bottom buffer bin (230) with a water inlet pipe (231) at one side, a rotary supporting pipe (240) and a heat exchange fin group (250); both the two buffer bins are hollow columns with one end open;
the heat exchange tube (220) comprises a top support ring (221), a plurality of strip hoses (222) and a bottom support ring (223); the top supporting ring (221) and the bottom supporting ring (223) are respectively fixed on the two buffer bins;
the two ends of the strip-shaped hose (222) are respectively fixed on the top support ring (221) and the bottom support ring (223), and the strip-shaped hoses (222) are annularly arranged;
the air inlet pipe (300) and the air outlet pipe (400) are respectively fixed on the top buffer bin (210) and the bottom buffer bin (230), the top end of the rotary supporting pipe (240) fixed with the heat exchange fin group (250) is rotationally connected to the bottom of the air inlet pipe (300), and the bottom end is rotationally connected to the top of the air outlet pipe (400); when the flushing component (500) flushes the heat exchange fin group (250), the flushing component can push the heat exchange fin group to rotate;
and the water outlet pipe (211), the water inlet pipe (231) and the air inlet pipe (300) are respectively internally provided with a temperature detection component.
2. The split carbon dioxide heat pump cold and heat recovery process temperature adjusting device according to claim 1, wherein: one side of the accommodating box body (100) is provided with a cleaning opening (110) for cleaning scale in the accommodating box body (100), the bottom of the accommodating box body is provided with an inclined bottom plate (120) and a water outlet (130), the inclined bottom plate (120) is used for guiding water flow to the water outlet (130), and the water outlet (130) is provided with a screen (131); the bottom and the top of the accommodating box body (100) are respectively provided with a positioning hole (140), and the positioning holes (140) are through holes and are used for fixing the heat exchange bin body (200).
3. The split carbon dioxide heat pump cold and heat recovery process temperature adjusting device according to claim 1, wherein: the cross section of the strip hose (222) is elliptical.
4. The split carbon dioxide heat pump cold and heat recovery process temperature adjusting device according to claim 1, wherein: the flushing assembly (500) comprises a water delivery pipe (510), a sliding spray head (520) and a sliding guide rail (530); the sliding guide rail (530) is positioned inside the accommodating box body (100), and is longitudinally arranged for guiding the movement of the sliding spray head (520);
the sliding spray head (520) slides under the control of the control unit and sprays water flow towards the heat exchange fin group (250); the water inlet pipe (231) is provided with a water inlet distribution valve (233), and the water pipe (510) conveys water from the water inlet distribution valve (233) to the sliding spray head (520).
5. The split carbon dioxide heat pump cold and heat recovery process temperature adjusting device according to claim 1, wherein: the hose expansion and contraction component is a conveying pipe (610);
the water inlet pipe (231) is provided with a water inlet distribution valve (233); the top supporting ring (221) is provided with a water outlet facing the heat exchange fin group (250);
when in use, the water inlet distribution valve (233) conveys part of water in the water inlet pipe (231) to the strip-shaped hose (222) through the conveying pipe (610), and the strip-shaped hose (222) expands when the water inlet amount is larger than the water outlet amount.
6. The split carbon dioxide heat pump cold and heat recovery process temperature adjusting device according to claim 1, wherein: the top support ring (221) and the bottom support ring (223) both have an inner diameter greater than 10 cm, and the spacing between the top support ring (221) and the bottom support ring (223) is greater than 40 cm.
7. The split carbon dioxide heat pump cold and heat recovery process temperature adjusting device according to claim 1, wherein: the flushing assembly (500) is provided with one or more rows of water holes (540) arranged on one or more strip hoses (222), and the water holes (540) are through holes and all face the heat exchange fin groups (250);
the hose expansion and contraction component is a conveying pipe (610); the water inlet pipe (231) is provided with a water inlet distribution valve (233);
in use, the water inlet distribution valve (233) conveys a portion of the water in the water inlet pipe (231) to the strip hose (222) through the conveying pipe (610), and then sprays the water from the water injection hole (540), and when the water inlet amount is larger than the water outlet amount, the strip hose (222) expands.
8. The split carbon dioxide heat pump cold and heat recovery process temperature adjusting device according to claim 7, wherein: the strip-shaped hose (222) is internally provided with a separation film (224), the separation film (224) is a strip-shaped rubber film and is fixed inside the strip-shaped hose (222), and the strip-shaped hose (222) is divided into a first pipe and a second pipe;
the annular spaces in the top support ring (221) and the bottom support ring (223) are two, and are respectively communicated with the first pipe and the second pipe;
one or more rows of water holes (540) are arranged on part or all of the first tubes, and the water holes (540) face the heat exchange fin groups (250);
the water inlet pipe (231) is provided with a water inlet distribution valve (233);
the hose expansion and contraction component is a conveying pipe (610); the delivery pipe (610) communicates the inlet water distribution valve (233) with the second pipe;
a water delivery pipe (510) is arranged on one water outlet of the water inlet distribution valve (233), and the water delivery pipe (510) is used for communicating the water inlet distribution valve (233) with the first pipe; a water outlet facing the heat exchange fin group (250) is arranged on the top support ring (221), and the water outlet is communicated with the second pipe;
when the water inlet distribution valve is used, under the control of the control unit of the water inlet distribution valve (233), part of the water inlet pipe (231) is respectively conveyed to the first pipe and the second pipe and is respectively used for flushing scale and expanding and contracting the strip hose (222).
9. The split carbon dioxide heat pump cold and heat recovery process temperature adjusting device according to claim 8, wherein: under the shrinkage state of the strip hose (222), the intermittent direction of the water inlet distribution valve (233) is used for conveying water to the second pipe, and when the water inlet distribution valve (233) is used for conveying water to the second pipe, the direction of the water injection hole (540) is continuously changed, so that a better flushing effect is obtained.
10. The split carbon dioxide heat pump cold and heat recovery process temperature adjusting device according to any one of claims 1 to 9, wherein: an elastic rope body (700) is arranged between two adjacent strip-shaped hoses (222), the number of the elastic rope bodies (700) is one less than that of the strip-shaped hoses (222), and the heights of all the elastic rope bodies (700) are uniform and are all positioned in the middle of the strip-shaped hoses (222);
the elastic rope body (700) is made of rubber material; when the strip hose (222) is in a contracted state, the strip hose (222) gathers together under the elastic force of the elastic rope body (700), so that a larger opening is formed at one side of the heat exchange tube (220), and flushing and scale discharge are facilitated;
when the strip hose (222) is expanded, the strip hose (222) is re-straightened against the elasticity of the elastic rope body (700).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310194277.1A CN115854613B (en) | 2023-03-03 | 2023-03-03 | Temperature adjusting device for cold and heat recovery process of split carbon dioxide heat pump |
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| CN202310194277.1A CN115854613B (en) | 2023-03-03 | 2023-03-03 | Temperature adjusting device for cold and heat recovery process of split carbon dioxide heat pump |
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| CN115854613B true CN115854613B (en) | 2023-04-25 |
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| CN115854613A (en) | 2023-03-28 |
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