CN217685555U - Buried pipe anti-condensation device based on combination of cold accumulation and heat recovery - Google Patents
Buried pipe anti-condensation device based on combination of cold accumulation and heat recovery Download PDFInfo
- Publication number
- CN217685555U CN217685555U CN202123186361.4U CN202123186361U CN217685555U CN 217685555 U CN217685555 U CN 217685555U CN 202123186361 U CN202123186361 U CN 202123186361U CN 217685555 U CN217685555 U CN 217685555U
- Authority
- CN
- China
- Prior art keywords
- valve
- cold
- heat exchanger
- temperature sensor
- buried pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model relates to a buried pipe antisweat device based on cold-storage and heat recovery combination, including the direct cooling system of buried pipe, the cold-storage device, the backheat device, cooling equipment and dew point temperature measuring device, the direct cooling system of buried pipe includes buried pipe and cooling equipment through circulation tube coupling, the cold-storage equipment includes first heat exchanger and cold-storage section of thick bamboo, first heat exchanger connects in parallel in the circulation pipeline between buried pipe and the backheat device, cold-storage section of thick bamboo is connected with first heat exchanger heat exchange, the backheat device includes the second heat exchanger, the second heat exchanger connects in parallel in the circulation pipeline at cooling equipment both ends, detect according to the temperature, open and close or adjust with the series connection of valve group control first heat exchanger and/or second heat exchanger and circulation pipeline, supply water and the cold-storage device transduction through the buried pipe, with the heat transfer of cooling equipment return water, and the steam generator has a simple structure, and convenient control, the advantage that the energy consumption is low, the buried pipe water supply temperature is improved, make full use of the direct cooling system when effectively avoiding the dewfall phenomenon.
Description
Technical Field
The utility model belongs to the direct cooling system field of buried pipe, concretely relates to direct cooling system antisweat device of buried pipe based on cold-storage and heat recovery combine.
Background
The energy resources of China and energy sources which can be obtained from foreign countries are added together to be difficult to meet the national economic construction and social development, the problem that the energy requirements cannot be solved by means of open sources is solved, and the energy conservation and emission reduction are provided. The ground source heat pump air conditioning technology is used as an efficient energy-saving engineering technology, an energy-saving and environment-friendly ground source heat pump system is adopted, water is used as a cold and heat carrier, and the water circularly flows between a heat exchange pipeline buried in soil and a heat pump unit, so that heat exchange between the unit and the ground soil is realized, and the popularization and the use of the ground source heat pump technology have important significance for energy conservation and emission reduction.
In the process of directly supplying cold by using the ground source heat pump in summer, the condensation phenomenon of the cooling equipment is easy to occur because the indoor condensation temperature is higher than the outlet water temperature of the buried pipe. In the method for solving the dewing, the phenomenon of water leakage and heat exchanger corrosion is inevitable when the drainage pipeline is increased mainly by adding the drainage pipeline; the other method is to heat the supplied water to a temperature higher than the dew point, while the traditional heating method is to directly heat the supplied water or mix the supplied water with hot water, and on the one hand, the treatment method needs additional electric energy and on the other hand, the cold energy stored in the buried pipe is lost, so that the maximum cold energy which can be provided by the buried pipe is reduced. Therefore, researches are carried out on how to fully utilize the cold energy emitted by the underground pipe while improving the temperature of the water supplied by the underground pipe, and strategies of carrying out energy conversion on the underground pipe water supply and the cold accumulation device and carrying out heat exchange on the underground pipe water supply and hot water returned from the cold supply device are provided.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a buried pipe antisweat device based on cold-storage and heat recovery combine supplies water through the buried pipe and the cold-storage device transduction, with the heat transfer of cooling equipment return water, has simple structure, and control is convenient, the advantage that the energy consumption is low, the cold volume of make full use of buried pipe direct cooling system when improving buried pipe water supply temperature, effectively avoiding the dewfall phenomenon.
The technical scheme that utility model solved its technical problem and adopted is:
the utility model provides a buried pipe antisweat device based on cold-storage and heat recovery combination, includes buried pipe direct cooling system, cold-storage device, backheat device, cooling equipment and dew point temperature measuring device, the buried pipe direct cooling system includes buried pipe and cooling equipment, be equipped with the circulation pipeline between buried pipe and the cooling equipment, the cold-storage device includes a first heat exchanger and a cold-storage section of thick bamboo, a first heat exchanger connects in parallel in the circulation pipeline between buried pipe and the backheat device, it is connected with first heat exchanger heat exchange to hold a cold section of thick bamboo, the backheat device includes the second heat exchanger, the second heat exchanger connects in parallel in the circulation pipeline at cooling equipment both ends, be equipped with valve group and temperature sensor group on the circulation pipeline, valve group is used for controlling the series connection of first heat exchanger and/or second heat exchanger and circulation pipeline and opens and close or adjusts.
In the above cold-storage and heat-recovery combination-based anti-condensation device for the buried pipe, preferably, the circulation pipeline is provided with a first circulation pump and a first valve which are positioned between the buried pipe and the cold-storage device, and the valve set includes a second valve, a third valve, a fourth valve, a fifth valve, a sixth valve and a seventh valve; the second valve is positioned on a circulating pipeline connected in parallel with the first heat exchanger, the third valve is positioned between the inlet end of the first heat exchanger and the circulating pipeline, the fourth valve is positioned on the circulating pipeline at the inlet end of the cooling equipment and connected in parallel with the second heat exchanger, the fifth valve is positioned between the water inlet end of the second heat exchanger and the circulating pipeline, the sixth valve is positioned between the water return inlet end of the second heat exchanger and the circulating pipeline, and the seventh valve is positioned on the circulating pipeline at the outlet end of the cooling equipment and connected in parallel with the second heat exchanger; and a second circulating pump and an eighth valve are connected between the cold accumulation barrel and the first heat exchanger.
The utility model provides an above-mentioned ground pipe antisweat device based on cold-storage and heat recovery combine, preferentially, temperature sensor group is including setting up first temperature sensor, second temperature sensor, third temperature sensor, fourth temperature sensor and the fifth temperature sensor on circulating line, first temperature sensor is located between ground pipe and the cold-storage device, second temperature sensor is located between cold-storage device and the backheat device, third temperature sensor is located backheat device and cooling equipment entry end, fourth temperature sensor and fifth temperature sensor are located the return water both ends of second heat exchanger respectively.
Above-mentioned buried pipe anti-condensation device based on cold-storage and heat recovery combination, preferably, dew point temperature measuring device includes sixth temperature sensor and humidity transducer, dew point temperature measuring device, valve group and temperature transducer group electricity are connected with controlling means.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) When the buried pipe direct cooling system is in cooling operation, if the first temperature sensor detects the temperature T of the circulating water of the buried pipe 1 Indoor dew point temperature T less than dew point temperature measurement device detection 0 The valve group is used for controlling the serial connection and the communication of the first heat exchanger and/or the second heat exchanger and the circulating pipeline, the ground pipe laying circulating water exchanges heat with the cold storage cylinder and the heat return device in sequence and then flows to the cold supply equipment, the dewing phenomenon is avoided, meanwhile, redundant cold energy is transported back to the soil, and the refrigerating capacity of the ground pipe laying direct cooling system is improved.
(2) After the cold accumulation device and the heat regeneration device are operated, T is compared 0 A detected temperature T of the second temperature sensor 2 And the detected temperature T of the third temperature sensor 3 The valve group is used for controlling the serial connection closing or communication regulation of the first heat exchanger and/or the second heat exchanger and the circulating pipeline, the cold accumulation device and the heat regeneration device are reasonably utilized, and the T is ensured 3 ＞T 0 Avoid the condensation phenomenon, simultaneously save energy consumption and ensure the direct cooling system of the buried pipeAnd (5) refrigerating capacity is controlled.
To sum up, detect dew point temperature and circulation pipeline each point temperature according to dew point temperature measuring device and temperature sensor group to the series connection of valve group control first heat exchanger and/or second heat exchanger and circulation pipeline is opened and close or is adjusted, supply water and cold-storage device transduction, buried pipe water supply and cooling equipment return water heat transfer through the buried pipe, have simple structure, and control is convenient, the low advantage of energy consumption, improve buried pipe water supply temperature, make full use of the direct cooling system's of the buried pipe cold volume when effectively avoiding the dewfall phenomenon.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a control flow chart according to an embodiment of the present invention.
In the figure: the system comprises a ground buried pipe 1, a cold accumulation device 2, a cold supply device 3, a dew point temperature measuring device 4, a circulating pipeline 5, a first heat exchanger 21, a cold accumulation cylinder 22, a second heat exchanger 6, a first circulating pump 7, a first valve V1, a second valve V2, a third valve V3, a fourth valve V4, a fifth valve V5, a sixth valve V6, a seventh valve V7, a second circulating pump 8, an eighth valve V8, a first temperature sensor 9, a second temperature sensor 10, a third temperature sensor 11, a fourth temperature sensor 12, a fifth temperature sensor 13 and a control device 14.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "axial", "radial", "vertical", "horizontal", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1, for a preferred embodiment of the ground pipe anti-dewfall device based on cold-storage and heat recovery combination, the anti-dewfall device includes the direct cooling system of ground pipe, cold-storage device 2, backheat device, cooling equipment 3 and dew point temperature measuring device 4, the direct cooling system of ground pipe includes ground pipe 1 and cooling equipment 3, be equipped with circulation pipeline 5 between ground pipe 1 and the cooling equipment 3, the cold-storage device includes first heat exchanger 21 and cold-storage section of thick bamboo 22, first heat exchanger 21 connects in parallel in circulation pipeline 5 between ground pipe 1 and the backheat device, cold-storage section of thick bamboo 22 is connected with first heat exchanger 21 heat exchange, the backheat device includes second heat exchanger 6, second heat exchanger 6 connects in parallel in the circulation pipeline 5 at cooling equipment 3 both ends, be equipped with valve group and temperature sensor group on the circulation pipeline 5, the valve group is used for controlling the series connection or the regulation start and stop of first heat exchanger 21 or second heat exchanger 6 and circulation pipeline 5.
As described above, preferably, the circulation pipeline 5 is provided with the first circulation pump 7 and the first valve V1 between the buried pipe 1 and the cold storage device 2, and the valve set includes the second valve V2, the third valve V3, the fourth valve V4, the fifth valve V5, the sixth valve V6, and the seventh valve V7; the second valve V2 is located on the circulation pipeline 5 connected in parallel with the first heat exchanger 21, the third valve V3 is located between the inlet end of the first heat exchanger 21 and the circulation pipeline 5, the fourth valve V4 is located on the circulation pipeline 5 at the inlet end of the cooling device 3 and connected in parallel with the second heat exchanger 6, the fifth valve V5 is located between the inlet end of the second heat exchanger 6 and the circulation pipeline 5, the sixth valve V6 is located between the return water inlet end of the second heat exchanger 6 and the circulation pipeline 5, and the seventh valve V7 is located on the circulation pipeline 5 at the outlet end of the cooling device 3 and connected in parallel with the second heat exchanger 6; a second circulation pump 8 and an eighth valve V8 are connected between the cold storage cylinder 22 and the first heat exchanger 21.
As described above, the dewing prevention device, preferably, the temperature sensor group includes the first temperature sensor 9, the second temperature sensor 10, the third temperature sensor 11, the fourth temperature sensor 12 and the fifth temperature sensor 13 which are arranged on the circulation pipeline 5, the first temperature sensor 9 is located between the buried pipe 1 and the cold storage device 2, the second temperature sensor 10 is located between the cold storage device 2 and the heat regeneration device, the third temperature sensor 11 is located at the inlet end of the heat regeneration device and the cold supply device 3, and the fourth temperature sensor 12 and the fifth temperature sensor 13 are respectively located at the two ends of the backwater of the second heat exchanger 6.
As mentioned above, the dew condensation preventing device, preferably, the dew point temperature measuring device 4 comprises a sixth temperature sensor and a humidity sensor, and the dew point temperature measuring device 4, the valve set and the temperature sensor set are electrically connected with the control device 14.
As shown in fig. 1-2, the working principle and the anti-dewing control flow of the utility model are as follows:
preferably, the control device 14 can adopt an arduino single chip microcomputer or a PC computer, and the measured data of the dew point temperature measuring device 4 and the temperature sensor are input through electric connection, processed and output to the first circulating pump 7, the first valve V1, the valve group, the eighth valve V8 and the second circulating pump 8 for controlling opening and closing and the valve opening; preferably, the first valve V1, the valve group and the eighth valve V8 adopt electric valves; preferably, the cooling device 3 may adopt a surface cooler and is installed indoors for cooling; preferably, the sixth temperature sensor and the humidity sensor can adopt an electronic thermometer and a polymer resistance type humidity sensor which are arranged indoors and are used for measuring the dry bulb temperature t and the relative humidity value indoors respectively
When the buried pipe direct cooling system operates in summer, when the temperature of circulating water of the buried pipe 1 is higher than indoor dew point temperature when the circulating water comes out of the buried pipe 1, the circulating water directly enters the cooling equipment 3 to exchange heat with indoor environment, and if the temperature of outlet water of the buried pipe 1 is lower than the dew point temperature, the circulating water of the buried pipe 1 exchanges heat with the cold accumulation cylinder 22 and the heat regenerator in sequence and then flows to the cooling equipment 3. The specific control steps are as follows:
1 starting a first circulating pump 7 and a first valve V1, and respectively measuring the indoor dry bulb temperature t and the relative humidity value by a sixth temperature sensor and a humidity sensor in a dew point temperature measuring device 4
Inputting the control device 14, the control device 14 refers to Wang Lingjie, yang Changcheng according to the following formula and formula principle, and the research and application of wet air dew point temperature calculation formula [ J]Equipment manufacturing technology, 201905; t is t d I.e. the indoor dew point temperature T 0 ；
The detection data of the first temperature sensor 9 is the water outlet temperature T of the buried pipe 1 1 Will T 1 And T 0 And (3) comparison:
(1) if T 1 >T 0 And then the control device 14 outputs a signal to the valve group, so that the first valve V1, the second valve V2, the fourth valve V4 and the seventh valve V7 are opened, other valves are closed, the anti-condensation structure is not needed to operate, the embedded pipe of the direct cooling system of the underground pipe enters the cooling equipment 3 and exchanges heat with the indoor through the circulating pipeline 5, the cooling equipment 3 circulates into the underground pipe 1 through the circulating pipeline 5 after exchanging heat, the circulating direct cooling is realized, and at the moment, the cooling equipment 3 does not have the condensation phenomenon outside.
(2) If T 1 ＜T 0 Then, the control device 14 outputs a signal to the valve group, and the valve group controls the first heat exchanger 21 and/or the second heat exchanger 6 to be opened and closed in series with the circulation pipeline 5, specifically: closing the second valve V2, the fourth valve V4 and the seventh valve V7, and opening the second circulating pump 8, the first valve V1, the third valve V3, the eighth valve V8, the fifth valve V5 and the sixth valve V6;
when the second valve V2 is closed and the third valve V3 is opened, the first heat exchanger 21 is communicated with the circulating pipeline 5 in series, circulating water of the buried pipe 1 enters the first heat exchanger 21 through the circulating pipeline 5, the cold accumulation cylinder 22 is opened through the second circulating pump 8 and the eighth valve V8 and exchanges heat with the first heat exchanger 21, the temperature of the first heat exchanger 21 is raised after heat exchange, the first heat exchanger enters the circulating pipeline 5, and the cold accumulation cylinder 22 carries out circulating cold accumulation;
when the fourth valve V4 and the seventh valve V7 are closed and the fifth valve V5 and the sixth valve V6 are opened, the second heat exchanger 6 is connected in series with the circulating pipeline 5 at the inlet end and the return water end of the cooling equipment 3, water passing through the circulating pipeline 5 of the cold accumulation device 2 enters the second heat exchanger 6 and exchanges heat with water entering the circulating pipeline 5 after being heated by the return water end of the cooling equipment 3, so that heated water flows enter the circulating pipeline 5 at the inlet end of the cooling equipment 3, and cooled water flows into the return water end of the circulating pipeline 5 through the second heat exchanger 6, thereby avoiding the condensation phenomenon.
2 when T is 1 ＜T 0 And operating according to step 1(2), the detected temperature of the second temperature sensor 10 is T 2 A third temperature sensor11 detected temperature is T 3 By comparison of T by the control device 14 2 、T 3 And T 0 Adjusting the valve group:
(1) if T 0 ＜T 2 And the heat regeneration device is closed by closing the fifth valve V5 and the sixth valve V6 and opening the fourth valve V4 and the seventh valve V7, the first valve V1, the third valve V3 and the eighth valve V8 are in an open state, and the second valve V2 is in a closed state, so that the circulating pipeline 5 is heated only through the cold accumulation device 2 and enters the cold supply equipment 3.
(2) If T 0 ＞T 2 And T 0 ＞T 3 The flow of the cold accumulation device 2 is improved by reducing the opening degree of the first valve V1 to reduce the flow speed, increasing the opening degrees of the third valve V3 and the eighth valve V8, and the heat exchange of the cold accumulation device 2 is accelerated; for example, when the direct cooling system of the buried pipe is started, the heat regenerator can not provide heat to the water discharged from the buried pipe 1 to heat, the heat exchange is mainly carried out by the cold storage device 2 to increase the temperature of the water discharged, if the normal operation of the start-up cannot provide enough energy by the cold storage device 2 to increase the temperature of the water supplied by the buried pipe 1 to above the dew point temperature, the heat exchange between the cold storage device 2 and the water supplied by the buried pipe 1 should be enhanced, and even the water in the cold storage cylinder 22 is heated, so as to ensure the T after the temperature rise 2 >T 0 。
(3) If T 0 ＞T 2 And 1.1T 0 ＞T 3 ＞T 0 And then the original state operation is kept, namely the second valve V2, the fourth valve V4 and the seventh valve V7 are closed, the second circulating pump 8, the first valve V1, the third valve V3, the eighth valve V8, the fifth valve V5 and the sixth valve V6 are opened, the cold accumulation device 2 and the heat regeneration device are connected to prevent dewing, and T is ensured after the temperature of the circulating pipeline 5 is raised 3 ＞T 0 。
(4) If T 0 ＞T 2 And 1.1T 0 ＜T 3 Then, the opening degrees of the second valve V2, the fourth valve V4 and the seventh valve V7 are adjusted and opened to reduce the flow rate of the circulating pipeline 5 flowing to the first heat exchanger 21 of the cold accumulation device 2 and the second heat exchanger 6 of the heat regeneration device so as to reduce the heat exchange between the circulating water of the buried pipe 1 and the cold accumulation device 2 and the heat regeneration device and ensure T 3 ＞T 0 Simultaneously ensure the energy of the indoor cooling deviceMore cold energy is obtained.
At the same time when T 1 ＜T 0 And after running for a period of time according to the step 1(2), the heat regenerative device exchanges cold through the second heat exchanger 6 to return cold energy into the circulation pipeline 5, enters the buried pipe 1 and transports redundant cold energy back to soil, so that the temperature T of the water outlet of the buried pipe 1 is reduced 0 The detected temperature of the fourth temperature sensor 12 is T 4 The detected temperature of the third temperature sensor 11 is T 5 When T is 5 ＜T 4 The time proves that the performance of the heat regenerative device is better; the cold accumulation device 2 stores cold energy through the cold accumulation cylinder 22, exchanges cold with the first heat exchanger 21, and feeds the cold energy back to the circulating pipeline 5, so that the refrigerating capacity of the direct cooling system of the buried pipe is improved.
To sum up, detect dew point temperature and 5 each point temperatures of circulating line according to dew point temperature measuring device 4 and temperature sensor group, open and close or adjust with the series connection of valve group control first heat exchanger 21 and/or second heat exchanger 6 and circulating line 5, supply water and 2 transduction of cold-storage device through buried pipe 1, buried pipe 1 supplies water and the heat transfer of 3 backwaters of cooling equipment, improve the water supply temperature of buried pipe 1 to cooling equipment 3, and the device has the advantages of simple structure, convenient control, low energy consumption, improve the water supply temperature of buried pipe, make full use of the cold volume of the direct cooling system of buried pipe when effectively avoiding the dewfall phenomenon.
The above detailed description is only for the purpose of illustrating the practical embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the technical spirit of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a ground pipe antisweat device based on cold-storage and heat recovery combination, includes the direct cooling system of ground pipe, cold-storage device (2), backheat device, cooling equipment (3) and dew point temperature measuring device (4), the direct cooling system of ground pipe includes ground pipe (1) and cooling equipment (3), be equipped with circulation pipeline (5) between ground pipe (1) and cooling equipment (3), the cold-storage device includes first heat exchanger (21) and cold-storage section of thick bamboo (22), first heat exchanger (21) connect in parallel in circulation pipeline (5) between ground pipe (1) and the backheat device, cold-storage section of thick bamboo (22) and first heat exchanger (21) heat exchange connection, the backheat device includes second heat exchanger (6), second heat exchanger (6) connect in parallel in circulation pipeline (5) at cooling equipment (3) both ends, be equipped with valve group and temperature sensor group on circulation pipeline (5), valve group is used for controlling first heat exchanger (21) and/or second heat exchanger (6) and the circulation pipeline (5) of opening and close.
2. The device for preventing dewing on the basis of the combination of cold accumulation and heat recovery of the claim 1, characterized in that the circulation pipeline (5) is provided with a first circulation pump (7) and a first valve V1 between the buried pipe (1) and the cold accumulation device (2).
3. The combined cold and heat accumulation and heat recovery-based buried pipe dewing prevention device as claimed in claim 1, wherein the valve set comprises a second valve V2 and a third valve V3, the second valve V2 is located on the circulation pipeline (5) connected in parallel with the first heat exchanger (21), and the third valve V3 is located between the inlet end of the first heat exchanger (21) and the circulation pipeline (5).
4. The device for preventing the condensation of the ground buried pipe based on the combination of the cold accumulation and the heat recovery as claimed in claim 1, wherein the valve set comprises a fourth valve V4 and a fifth valve V5, the fourth valve V4 is positioned on the circulating pipeline (5) at the inlet end of the cold supply device (3) and is connected in parallel with the second heat exchanger (6), and the fifth valve V5 is positioned between the water inlet end of the second heat exchanger (6) and the circulating pipeline (5).
5. The device for preventing the condensation of the ground buried pipe based on the combination of the cold accumulation and the heat recovery as claimed in claim 1, wherein the valve set comprises a sixth valve V6 and a seventh valve V7, the sixth valve V6 is positioned between the backwater inlet end of the second heat exchanger (6) and the circulating pipeline (5), and the seventh valve V7 is positioned on the circulating pipeline (5) at the outlet end of the cold supply device (3) and is connected with the second heat exchanger (6) in parallel.
6. The device for preventing the condensation of the buried pipe based on the combination of the cold accumulation and the heat recovery as claimed in claim 1, wherein a second circulating pump (8) and an eighth valve V8 are connected between the cold accumulation cylinder (22) and the first heat exchanger (21).
7. The device for preventing dewing on the basis of the combination of cold accumulation and heat recovery of claim 1, characterized in that the temperature sensor group comprises a first temperature sensor (9), a second temperature sensor (10) and a third temperature sensor (11) which are arranged on the circulating pipeline (5), the first temperature sensor (9) is positioned between the buried pipe (1) and the cold accumulation device (2), the second temperature sensor (10) is positioned between the cold accumulation device (2) and the heat recovery device, and the third temperature sensor (11) is positioned at the inlet end of the heat recovery device and the cooling equipment (3).
8. The cold-storage and heat-recovery combination-based buried pipe anti-condensation device as claimed in claim 1, wherein the temperature sensor group comprises a fourth temperature sensor (12) and a fifth temperature sensor (13) which are arranged on the circulating pipeline (5), and the fourth temperature sensor (12) and the fifth temperature sensor (13) are respectively positioned at two ends of the return water of the second heat exchanger (6).
9. The device for preventing dewing on the basis of the combination of cold accumulation and heat recovery as claimed in claim 1, wherein the dew point temperature measuring means (4) comprises a sixth temperature sensor and a humidity sensor.
10. The cold and heat accumulation combined underground pipe dewing prevention device as claimed in claim 1~9, wherein the dew point temperature measuring device (4), the valve set and the temperature sensor set are electrically connected with a control device (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123186361.4U CN217685555U (en) | 2021-12-17 | 2021-12-17 | Buried pipe anti-condensation device based on combination of cold accumulation and heat recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123186361.4U CN217685555U (en) | 2021-12-17 | 2021-12-17 | Buried pipe anti-condensation device based on combination of cold accumulation and heat recovery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217685555U true CN217685555U (en) | 2022-10-28 |
Family
ID=83701803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123186361.4U Active CN217685555U (en) | 2021-12-17 | 2021-12-17 | Buried pipe anti-condensation device based on combination of cold accumulation and heat recovery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217685555U (en) |
-
2021
- 2021-12-17 CN CN202123186361.4U patent/CN217685555U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101726156B (en) | Process method and device for refrigeration, heating and water supply by utilizing solar energy | |
| CN204612524U (en) | The antifreeze cooling apparatus of enclosed | |
| CN101793449A (en) | Multi-heat-source heat pump system | |
| CN204438368U (en) | A kind of water source heat pump air conditioning system | |
| CN206352878U (en) | A kind of heating system for reclaiming computer room liquid-cooling heat radiation amount | |
| CN201637193U (en) | Heat pump system of multi-heat sources | |
| CN104315751B (en) | A kind of heat supply of solar energy heating combination ultra-low temperature air source heat pump and refrigeration system | |
| CN102261709A (en) | Energy-saving comfortable air-conditioning system and working method thereof | |
| CN201177318Y (en) | Solar energy centralized heat collected separate water tank heat-exchanging and supply system | |
| CN103925729B (en) | Air-conditioning system and include the central air-conditioning of this system | |
| CN101294753A (en) | Inner circulation compound energy heat-supplying refrigeration technology and device | |
| CN201039641Y (en) | Air conditioner for machine room | |
| CN104482691B (en) | Ground-source heat pump system obtaining heat from environment and operation method thereof | |
| CN201803419U (en) | Integrated type multi-connected cold and hot source central air-conditioning system | |
| CN100572973C (en) | The hot water supply of a kind of solar energy, the accumulation of heat of peak valley electricity and refrigeration set composite | |
| CN104748415A (en) | Circular ring pipe auxiliary heating double-liner-type solar-energy air-energy water heater water tank | |
| CN217685555U (en) | Buried pipe anti-condensation device based on combination of cold accumulation and heat recovery | |
| CN101545654A (en) | Solar centralized heat collection household water tank exchange heat supply system | |
| CN103884067B (en) | A kind of water air-conditioning system that indoor heating and refrigeration are provided | |
| CN105333543A (en) | Multifunctional central air-conditioning system and running control method thereof | |
| CN108931076A (en) | Gas Comprehensive heating system | |
| CN201488125U (en) | Solar-concentrating heat-collecting individual water tank exchange heat supply system | |
| CN104633789A (en) | Water source heat pump air conditioner system and control method thereof | |
| CN204830275U (en) | Multi -functional central air -conditioning system | |
| CN209376399U (en) | The recycling of farm's thermal energy and heating system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |