CN211233196U - Cold radiation and fresh air water-gas circulation system - Google Patents
Cold radiation and fresh air water-gas circulation system Download PDFInfo
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- CN211233196U CN211233196U CN201921969365.XU CN201921969365U CN211233196U CN 211233196 U CN211233196 U CN 211233196U CN 201921969365 U CN201921969365 U CN 201921969365U CN 211233196 U CN211233196 U CN 211233196U
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Abstract
The utility model provides a cold radiation and fresh air water-air circulation system, which comprises a water chilling unit, a first water pump, a condensed water-air integrated pipe, a water return pipe, a cold radiation pipeline, a fresh air unit, an air inlet pipeline, a gas transmission pipeline and an exhaust pipeline; the condensed water-gas integrated pipe consists of an internal cold water pipe and a gas pipe which is hermetically wrapped outside the cold water pipe; the outlet of the cold water unit is connected with the inlet of a cold water pipe, the outlet of the cold water pipe is connected with the inlet of a cold radiation pipeline, the outlet of the cold radiation pipeline is connected with the inlet of a water return pipe, and the outlet of the water return pipe is connected with the inlet of the cold water unit; the fresh air handling unit is connected with the inlet of the gas pipe through the gas inlet pipeline, and the outlet of the gas pipe is connected with the indoor air inlet through the gas transmission pipeline; the indoor air outlet is connected with the air exhaust end of the fresh air unit through an air exhaust pipeline. The utility model discloses a special comdenstion water gas all-in-one pipe rationally combines cold radiation system and new trend system together, simplifies whole framework, reduce cost.
Description
Technical Field
The utility model relates to a building materials and indoor cooling technique and ventilation field, concretely relates to cold radiation and new trend aqueous vapor circulation system.
Background
The cold radiation technology is proposed by foreign countries and introduced into China many years ago, has higher comfort and has obvious advantages compared with the common air-conditioning refrigeration. However, the whole system is complex in structure and high in cost, and is generally only used for large commercial office buildings, which constitutes a significant obstacle to the popularization and application of the cold radiation technology.
In order to solve the problems of condensation and dewing of the cold radiation panel and indoor and outdoor air exchange, the cold radiation technology also depends on a fresh air system. The fresh air system not only introduces outdoor fresh air into the room and exhausts indoor old air, but also intervenes in the humidity of the indoor environment, thereby preventing the condensation on the surface of the cold radiation panel. In the prior art, a cold radiation system and a fresh air system are two systems which operate independently and are matched with each other, the two systems are separately built, and meanwhile, the two systems are matched by an electrical system, so that a complete cold radiation technology is formed. Especially, in order to interfere with the humidity of indoor air, a fresh air system needs to dehumidify input fresh air, and a refrigeration technology needs to be applied to pre-condense moisture in the fresh air. This clearly overlaps with the energy supply of the refrigeration system used to produce the cold water in the cold radiation system. However, the great amount of manpower, materials and equipment for building the two systems is the main reason for the technical complexity and high cost. In order to make the consumed huge capital have value, the cold radiation technology has certain cost performance only when being applied to a large commercial office building at present, and the application and popularization of the cold radiation technology in a small building room are greatly hindered. Especially, the technology is difficult to be applied to common residential houses and small rooms.
It is obvious that the prior art has certain defects.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a cold radiation and new trend aqueous vapor circulating system is provided, adopt special comdenstion water gas integral pipe to combine cold radiation system and new trend system together rationally, simplify whole framework, reduce cost.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a cold radiation and fresh air water-air circulation system comprises a water chilling unit, a first water pump, a condensed water-air integrated pipe, a water return pipe, a cold radiation pipeline, a fresh air unit, an air inlet pipeline, an air delivery pipeline and an exhaust pipeline; the condensed water-gas integrated pipe consists of an internal cold water pipe and a gas pipe hermetically wrapped outside the cold water pipe, so that air can pass through a space between the cold water pipe and the gas pipe; the outlet of the water chilling unit is connected with the inlet of a cold water pipe of the condensed water gas integrated pipe, a first water pump is connected between the water chilling unit and the cold water pipe, the outlet of the cold water pipe is connected with the inlet of a cold radiation pipeline, the outlet of the cold radiation pipeline is connected with the inlet of a water return pipe, and the outlet of the water return pipe is connected with the inlet of the water chilling unit; the air supply end of the fresh air handling unit is connected with the gas pipe inlet of the condensed water gas integrated pipe through an air inlet pipeline, and the gas pipe outlet is connected with an indoor air inlet through an air conveying pipeline; the indoor air outlet is connected with the air exhaust end of the fresh air unit through an air exhaust pipeline.
Further, the device also comprises a temperature adjusting device and a heat exchanger; the temperature adjusting device is connected with the heat exchanger, and the heat exchanger is arranged at the inlet of the cold radiation pipeline and is in heat conduction connection with the cold radiation pipeline.
Furthermore, the temperature adjusting device comprises a warm water unit, a second water pump and a warm water pipe; the outlet of the warm water unit is connected with a second water pump, the outlet and the inlet of the second water pump are communicated through a warm water pipe, and the warm water pipe is in heat conduction connection with the heat exchanger.
Furthermore, a first water valve is arranged on the warm water pipe.
Furthermore, the cold water pipe is spirally or S-shaped and is coiled inside the gas pipe.
Furthermore, the bottom of the gas pipe is connected with a water collecting pipe which is communicated with the outside.
Furthermore, a straight pipeline is communicated between the air inlet pipeline and the air delivery pipeline, a first air valve is arranged on the air inlet pipeline, and a second air valve is arranged on the straight pipeline.
Furthermore, a second water valve is arranged between the outlet of the cold water pipe and the inlet of the cold radiation pipeline, and a third water valve is arranged between the outlet of the cold radiation pipeline and the water return pipe; and a circulating pipe is communicated between the cold water pipe and the water return pipe, and a fourth water valve is arranged on the circulating pipe.
Furthermore, a filter device is arranged in the fresh air handling unit.
Further, a first temperature detection module is arranged at the outlet of the cold water pipe; the indoor that the cold radiation pipeline was used is equipped with humidity detection module and second temperature detection module.
The utility model provides a pair of cold radiation and new trend aqueous vapor circulation system has following advantage:
the condensing water-gas integrated pipe is used for conveying cold water required by cold radiation and assisting in fresh air dehumidification, so that a fresh air system and a cold radiation system are combined into a whole, the structure is simplified, and the cost is reduced;
the water condensed in the condensed water-vapor integrated pipe can be discharged through the water collecting pipe, so that the whole system is kept dry and is easy to maintain;
the pipelines and the corresponding valves are reasonably arranged, so that the fresh air system and the cold radiation system keep the independent working capacity.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is the utility model provides a pair of the overall structure schematic diagram of cold radiation and new trend aqueous vapor circulation system.
Fig. 2 is a schematic structural diagram of the condensed water gas integrated pipe.
Description of reference numerals:
1. water chilling unit 2 and first water pump
3. Condensation water-gas integrated pipe 4 and water return pipe
5. Cold radiation pipeline 6 and fresh air handling unit
7. Air inlet pipeline 8 and air delivery pipeline
9. Exhaust pipeline 10 and warm water unit
11. Second water pump 12, warm water pipe
13. Heat exchanger 14 and first water pump
15. Water collecting pipe 16, straight pipeline
17. The first air valve 18 and the second air valve
19. Second water valve 20, third water valve
21. The circulation pipe 22, the fourth water valve
23. Cold water pipe 24, gas pipe
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention and the accompanying drawings are combined together to clearly and completely describe the technical solutions in the embodiments of the present invention. It should be noted that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
Referring to fig. 1 to 2, an embodiment of the present invention provides a cold radiation and fresh air water-air circulation system, which includes a water chilling unit 1, a first water pump 2, a condensed water-air integrated pipe 3, a water return pipe 4, a cold radiation pipeline 5, a fresh air unit 6, an air inlet pipeline 7, an air delivery pipeline 8, and an exhaust pipeline 9; the condensed water-gas integrated pipe 3 consists of a cold water pipe 23 inside and a gas pipe 24 hermetically wrapped outside the cold water pipe 23, so that air can pass through a space between the cold water pipe 23 and the gas pipe 24; an outlet of the water chilling unit 1 is connected with an inlet of a cold water pipe 23 of the condensed water gas integrated pipe 3, a first water pump 2 is connected between the water chilling unit 1 and the cold water pipe 23, an outlet of the cold water pipe 23 is connected with an inlet of a cold radiation pipeline 5, an outlet of the cold radiation pipeline 5 is connected with an inlet of a water return pipe 4, and an outlet of the water return pipe 4 is connected with an inlet of the water chilling unit 1; the air supply end of the fresh air unit 6 is connected with the inlet of a gas pipe 24 of the condensed water gas integrated pipe 3 through an air inlet pipeline 7, and the outlet of the gas pipe 24 is connected with an indoor air inlet through an air conveying pipeline 8; an indoor air outlet is connected with the air exhaust end of the fresh air unit 6 through an air exhaust pipeline 9.
The detail is shown in fig. 2, the condensed water gas integrated tube 3 is a core component of the present invention, which applies the principle of the condenser tube, and when the cold water tube 23 outputs cold water required by cold radiation, the gas tube 24 passes through fresh air, so that the moisture of the fresh air is condensed and liquefied under the action of the cold water tube 23, and is collected to achieve the dehumidification function. And the process is carried out in the process of outputting cold water, so that the system layout can be simplified, and the effects of effectively combining a fresh air system and a cold radiation system and reducing the equipment cost are achieved. Compared with the prior art, the utility model discloses be particularly useful for the inside little space of civil buildings, have low cost, simple structure, the higher advantage of degree of controllability.
The specific working process is as follows: cold water produced by the water chilling unit 1 is pressurized and conveyed to the cold water pipe 23 in the condensed water gas integrated pipe 3 through the first water pump 2, fresh air pressurized and output by the fresh air unit 6 enters the gas pipe 24 through the gas inlet pipeline 7 and is contacted with the outer surface of the cold water pipe 23, moisture in the fresh air is condensed when meeting cold, the moisture is dripped to the bottom of the gas pipe 24 to be collected, moisture contained in the fresh air is reduced, and a dehumidification effect is achieved. Then the cold water in the cold water pipe 23 is continuously conveyed to the cold radiation pipeline 5 so as to supply cold to the indoor space; the fresh air in the air pipe 24 is delivered to the indoor through the air delivery pipe 8, so that the air quality of the indoor environment is changed, the fresh air is delivered, the humidity of the indoor environment is reduced, and condensation cannot occur indoors as long as the cold radiation pipe 5 is properly matched with the humidity of the indoor air. After the water in the cold radiation pipeline 5 is cooled, the water flows into the water chilling unit 1 again through the water return pipe 4, and a water circulation is formed. The old air in the room is exhausted out of the room through the exhaust pipeline 9 to form an air path circulation.
Cold radiation pipeline 5 actually is the cold radiation board or similar heat transfer structure that act on indoor, because the utility model discloses a technical feature emphasizes on whole water route and the endless framework of gas circuit, and consequently the concrete structure of cold radiation board is not the utility model discloses in make the technical feature of technical contribution, do not limit here.
In order to increase the contact area between the air in the gas pipe 24 and the cold water pipe 23 and increase the condensation efficiency, the cold water pipe 23 is preferably spirally or S-spirally curved inside the gas pipe 24. In addition, the bottom of the gas pipe 24 is preferably connected to a water collecting pipe 15, and the water collecting pipe 15 is connected to the outside, so that the moisture condensed in the gas pipe 24 is collected and discharged to the outside through the water collecting pipe 15. In addition, in order to ensure that the temperature of the medium liquid in each pipeline is not lost, it is preferable that the condensed water-gas integrated pipe 3 and the water return pipe 4 are coated with a heat insulating layer.
Preferably, the system also comprises a temperature adjusting device and a heat exchanger 13; the temperature control device is connected with a heat exchanger 13, and the heat exchanger 13 is arranged at the inlet of the cold radiation pipeline 5 and is in heat conduction connection with the cold radiation pipeline.
The temperature of the cold water output from the cold water pipe 23 directly determines the efficiency of the cooling. However, the temperature of water in the cold radiation pipe 5 is not always maintained at a low temperature level for the comfort of indoor personnel, and thus technical means for controlling the cooling temperature are required. If the cooling power needs to be reduced and the water temperature needs to be increased, two feasible methods are available: the power of the water chiller 1 is reduced, or the cold water is heated after being discharged to the outside of the cold water pipe 23.
Reducing the power of the chiller 1 is certainly a simple solution, however, the temperature of the water in the cold water pipe 23 will also increase, and the condensation and dehumidification effect of the fresh air will decrease, so that the solution can be used only when the humidity of the indoor air is satisfied.
The temperature adjusting device and the heat exchanger 13 are adopted to generate certain heat, so that the temperature of water output by the cold water pipe 23 is properly increased, and the cooling power can be reduced on the premise of not reducing the condensation dehumidification effect.
For the specific structure of the temperature adjusting device, preferably, the temperature adjusting device comprises a warm water unit 10, a second water pump 11 and a warm water pipe 12; the outlet of the warm water unit 10 is connected with a second water pump 11, the outlet and the inlet of the second water pump 11 are communicated through a warm water pipe 12, and the warm water pipe 12 is in heat conduction connection with a heat exchanger 13. The water heater unit 10 heats water to generate water with a certain temperature, and the water is pressurized by the second water pump 11 and is conveyed to the heat exchanger 13 through the warm water pipe 12, so that the temperature of cold water output by the cold water pipe 23 is properly increased. In order to cooperate with the working process, a first temperature detection module is arranged at the outlet of the cold water pipe 23; the indoor that cold radiation pipeline 5 acted on is equipped with humidity detection module and second temperature detection module to through detecting the temperature at corresponding node, thereby the work of cooperation attemperator. In addition, the warm water pipe 12 is preferably provided with a first water valve 14, so that the work of the temperature adjusting device can be conveniently interrupted when the water temperature is proper.
In order to further meet the control requirement of the system, a second water valve 19 is preferably arranged between the outlet of the cold water pipe 23 and the inlet of the cold radiation pipeline 5, and a third water valve 20 is preferably arranged between the outlet of the cold radiation pipeline 5 and the water return pipe 4; a circulating pipe 21 is preferably communicated between the cold water pipe 23 and the water return pipe 4, and a fourth water valve 22 is arranged on the circulating pipe 21.
This design is mainly considered: the cold water and the fresh air directly output through the condensed water-gas integrated pipe 3 do not necessarily meet the requirements of sufficient dehumidification and refrigeration at the same time. For example, when in the humid season, the air contains more moisture, and the system needs to focus on drying and dehumidifying the fresh air. Even if the capacity of the chiller 1 is set to a maximum, the fresh air in the gas line 24 may still be insufficient to be sufficiently dry. At this time, the second water valve 19 and the third water valve 20 can be closed, the fourth water valve 22 is opened at the same time, the cold water pipe 23 is temporarily cut off to supply cold water to the cold radiation pipeline 5, and the cold water output by the cold water pipe 23 directly flows to the water return pipe 4 through the circulating pipe 21, so that a condensation water channel special for condensing fresh air is formed. After the indoor air is sufficiently dried, the second water valve 19 and the third water valve 20 are opened, the fourth water valve 22 is closed at the same time, and the water supply of the cold water pipe 23 to the cold radiation pipeline 5 is recovered, so that the indoor cold supply is recovered. In addition, the function can also be used for the independent dehumidification function in wet weather.
Preferably, a straight pipeline 16 is communicated between the air inlet pipeline 7 and the air transmission pipeline 8, a first air valve 17 is arranged on the air inlet pipeline 7, and a second air valve 18 is arranged on the straight pipeline 16. The fresh air supplied by the fresh air unit 6 from the outside has two air paths which can be moved: through the inlet line 7 to the gas pipe 24 for condensation or directly through the feed-through line 16 directly into the room. The air refreshing device is applied when cooling is not needed indoors, so that the fresh air system can work independently, is commonly used in cool autumn and winter, and is only used for keeping indoor air fresh.
Whether the fresh air needs to be dehumidified or not, a filter device is preferably arranged in the fresh air handling unit 6, so that dust particles and bacteria contained in the fresh air are reduced. On the one hand, the quality of indoor air can be improved, on the other hand, the circulating cleanliness of the air path can be improved, and the maintenance requirements are reduced.
The utility model provides a pair of cold radiation and new trend aqueous vapor circulation system through condensation aqueous vapor siphuncle 3, when carrying the required cold water of cold radiation, help new trend condensation dehumidification to effectively combine new trend system and cold radiation system as a whole, simplify the structure, reduce cost. The method has good effect on the market popularization and application of the cold radiation technology, is particularly suitable for small indoor space with low requirement on control precision, and can effectively popularize the cold radiation technology in the civil field. The water condensed in the condensed water-gas integrated pipe 3 can be discharged through the water collecting pipe 15, so that the whole system is kept dry and is easy to maintain. The pipeline and the corresponding valve are reasonably arranged, so that the fresh air system and the cold radiation system retain the capability of independent work, and the system not only can be applied to cooling, but also can independently perform dehumidification, air purification and the like.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A cold radiation and fresh air water-air circulation system is characterized by comprising a water chilling unit, a first water pump, a condensed water-air integrated pipe, a water return pipe, a cold radiation pipeline, a fresh air unit, an air inlet pipeline, an air delivery pipeline and an exhaust pipeline; the condensed water-gas integrated pipe consists of an internal cold water pipe and a gas pipe hermetically wrapped outside the cold water pipe, so that air can pass through a space between the cold water pipe and the gas pipe; the outlet of the water chilling unit is connected with the inlet of a cold water pipe of the condensed water gas integrated pipe, a first water pump is connected between the water chilling unit and the cold water pipe, the outlet of the cold water pipe is connected with the inlet of a cold radiation pipeline, the outlet of the cold radiation pipeline is connected with the inlet of a water return pipe, and the outlet of the water return pipe is connected with the inlet of the water chilling unit; the air supply end of the fresh air handling unit is connected with the gas pipe inlet of the condensed water gas integrated pipe through an air inlet pipeline, and the gas pipe outlet is connected with an indoor air inlet through an air conveying pipeline; the indoor air outlet is connected with the air exhaust end of the fresh air unit through an air exhaust pipeline.
2. The cold radiation and fresh air water and air circulation system according to claim 1, further comprising a temperature adjusting device and a heat exchanger; the temperature adjusting device is connected with the heat exchanger, and the heat exchanger is arranged at the inlet of the cold radiation pipeline and is in heat conduction connection with the cold radiation pipeline.
3. The cold radiation and fresh air water and air circulation system according to claim 2, wherein the temperature adjusting device comprises a warm water unit, a second water pump and a warm water pipe; the outlet of the warm water unit is connected with a second water pump, the outlet and the inlet of the second water pump are communicated through a warm water pipe, and the warm water pipe is in heat conduction connection with the heat exchanger.
4. The cold radiation and fresh air water and air circulation system as claimed in claim 3, wherein the warm water pipe is provided with a first water valve.
5. The cold radiation and fresh air water gas circulation system according to any one of claims 1 to 4, wherein the cold water pipe is coiled in a spiral or S-shape inside the gas pipe.
6. The cold radiation and fresh air water and air circulation system as claimed in any one of claims 1 to 4, wherein a water collecting pipe is connected to the bottom of the air pipe, and the water collecting pipe is communicated with the outside.
7. The cold radiation and fresh air water and air circulation system according to any one of claims 1 to 4, wherein a straight pipeline is communicated between the air inlet pipeline and the air transmission pipeline, a first air valve is arranged on the air inlet pipeline, and a second air valve is arranged on the straight pipeline.
8. The cold radiation and fresh air water and air circulation system according to any one of claims 1 to 4, wherein a second water valve is arranged between the outlet of the cold water pipe and the inlet of the cold radiation pipeline, and a third water valve is arranged between the outlet of the cold radiation pipeline and the water return pipe; and a circulating pipe is communicated between the cold water pipe and the water return pipe, and a fourth water valve is arranged on the circulating pipe.
9. The cold radiation and fresh air water and air circulation system according to any one of claims 1 to 4, wherein a filter device is provided in the fresh air unit.
10. The cold radiation and fresh air water and air circulation system according to any one of claims 2 to 4, wherein a first temperature detection module is arranged at an outlet of the cold water pipe; the indoor that the cold radiation pipeline was used is equipped with humidity detection module and second temperature detection module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921969365.XU CN211233196U (en) | 2019-11-14 | 2019-11-14 | Cold radiation and fresh air water-gas circulation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921969365.XU CN211233196U (en) | 2019-11-14 | 2019-11-14 | Cold radiation and fresh air water-gas circulation system |
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| CN211233196U true CN211233196U (en) | 2020-08-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110822596A (en) * | 2019-11-14 | 2020-02-21 | 广州康普顿至高建材有限公司 | Cold radiation and fresh air water-gas circulation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110822596A (en) * | 2019-11-14 | 2020-02-21 | 广州康普顿至高建材有限公司 | Cold radiation and fresh air water-gas circulation system |
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