CN210374130U

CN210374130U - Hot water circulation system for passive room

Info

Publication number: CN210374130U
Application number: CN201921169891.8U
Authority: CN
Inventors: 袁海军; 任月岺; 李翊
Original assignee: Greenshine Shanghai Architectural Technology Co ltd
Current assignee: Greenshine Shanghai Architectural Technology Co ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-04-21
Anticipated expiration: 2029-07-23

Abstract

The utility model discloses a hot water circulation system for passive house, including holding water box and heat accumulation case, be provided with the heat accumulation pipe in the heat accumulation case, the heat accumulation case links to each other with holding water box through water inlet and delivery port, the heat accumulation pipe includes inner tube and outer tube, and the outer tube overlaps on the inner tube, is the regenerator between inner tube and the outer tube, it has the heat accumulation medium to fill in the regenerator, still be provided with temperature sensor, controller and circulating water pump on the holding water box; compared with the prior art, the utility model absorbs heat by the heat storage box and stores the heat in the heat storage medium in daytime, and heats circulating water by the heat storage medium, thereby ensuring that the temperature of hot water is always in a stable state; and the heat is released at night, thereby improving the utilization rate of natural heat and reducing the energy consumption of buildings.

Description

Hot water circulation system for passive room

Technical Field

The utility model relates to a green building technical field, concretely relates to hot water circulating system for passive room.

Background

Under the background of global warming and energy shortage, energy-saving buildings with high energy efficiency and low emission as the core play a crucial role in realizing energy safety and sustainable development of the country. The passive house combines various passive energy-saving means such as natural ventilation, natural lighting, solar radiation heating and indoor non-heating heat source heating with the high-efficiency energy-saving technology of the building envelope, and on the premise of ensuring the indoor environmental comfort, the passive house can greatly reduce the heat/cold load of the building, so that the passive house can maximally get rid of the dependence on an active mechanical heating and refrigerating system, and further reduce the building heating and refrigerating energy consumption. The concept of the 'passive house' building is built on the basis of the low-energy-consumption building in the last 80 th century of Germany, the passive house is an integrator of various technical products, and the total amount of all consumed primary energy sources does not exceed 120 kilowatt-hour/(square meter year) by fully utilizing renewable energy sources; the low energy consumption standard is realized through building outer wall and renewable energy that high thermal-insulated sound insulation, leakproofness are strong, but the utilization of passive room to the natural heat source among the prior art is not enough, leads to still need to heat domestic water through modes such as electric heating, and the energy consumption is higher.

SUMMERY OF THE UTILITY MODEL

The defect that heat utilization rate is low to exist among the prior art, the utility model discloses a hot water circulating system in passive room adopts the utility model discloses can be daytime with heat storage to release the heat at night, it has not only realized thermal rational utilization, has still reduced the consumption to energy such as electric energy simultaneously through utilizing natural heat source in a large number.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

a hot water circulating system for a passive house comprises a heat preservation water tank and a heat storage tank, wherein a water inlet pipe and a water outlet pipe are arranged on the heat storage tank and are respectively connected with the heat preservation water tank; a plurality of heat storage pipes are uniformly arranged in the heat storage box, each heat storage pipe comprises an inner pipe for conveying circulating water, and two ends of each inner pipe are respectively connected with a water inlet pipe and a water outlet pipe; an outer pipe is sleeved on the outer surface of the inner pipe, a heat storage chamber is formed between the outer pipe and the inner pipe, and a heat storage medium is filled in the heat storage chamber; the outer surface of the outer pipe is provided with a heat absorption layer; a circulating water pump and a temperature sensor are arranged in the heat preservation water tank, a controller is further arranged on the heat preservation water tank, and the input end and the output end of the controller are connected with the temperature sensor and the circulating water pump respectively.

Furthermore, a supporting rod for fixing the inner tube is sleeved on the inner tube.

Further be provided with the locker room that is used for placing the heat accumulation pipe on the heat accumulation case, the locker room internal surface is provided with the solar panel.

The top and the bottom of the outer pipe are connected with a sealing end cover through screw threads, and a connector for the water inlet pipe and the water outlet pipe to pass through is further arranged on the sealing end cover.

And a heat insulation sealing ring is fixedly arranged in the connecting port.

The further heat absorbing layer is a black nickel coating, a black chromium coating or an aluminum oxide coating.

A liquid level meter connected with the controller is further arranged in the heat preservation water tank, a water replenishing pipe is arranged at the top of the heat preservation water tank, and an electromagnetic valve connected with the controller is arranged on the water replenishing pipe.

The outer surface of the heat preservation water tank is further wrapped with a heat preservation layer, and the heat preservation layer is made of rubber and plastic foam, polyurethane foaming plastic or rock wool heat preservation plates.

And a flow control valve connected with the controller is further arranged on the water inlet pipe.

The heat storage medium is high-temperature molten salt.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a holding water box and heat accumulation case, be provided with a plurality of heat accumulation pipes on the heat accumulation case, the heat accumulation pipe includes inner tube and outer tube, and the outer pipe box is arranged in on the inner tube, is the regenerator between inner tube and the outer tube, the regenerator is filled with heat accumulation medium, is provided with controller, temperature sensor and circulating water pump on the holding water box simultaneously; the utility model absorbs the heat irradiated by air or sun and stores the heat in the heat storage medium through the heat absorption layer of the outer pipe, and the specific heat capacity of the heat storage medium is large, so the temperature of the heat storage medium can not change obviously after absorbing heat, thereby finishing the storage of heat; and at the night with lower temperature, the heat in the heat storage medium is quickly taken out through the circulating water, so that the use of hot water in a room is ensured.

2. The utility model is provided with the support bar for supporting the outer tube on the inner tube, on one hand, the relative stability between the inner tube and the outer tube is ensured through the support bar, and the stability of the device is improved; on the other hand, the supporting rod can increase the contact area between the inner pipe and the heat storage medium, so that the heat conduction speed is accelerated.

3. The inner surface of the heat storage box of the utility model is provided with the light gathering plate, and the light is reflected to the heat storage pipe through the light gathering plate, thereby the utilization efficiency of heat is improved, and the heat storage box is particularly suitable for heating in winter; meanwhile, the reflected light irradiates the back of the heat storage pipe, so that the effective working area of the heat storage pipe is increased, and the utilization efficiency of heat is improved.

4. The utility model discloses the top and the bottom of outer tube all are provided with end cover, be provided with the connector on the sealed end cover, can quick replacement heat accumulation indoor heat accumulation medium through dismouting end cover, make maintenance and maintenance of equipment convenient and fast more, improve the thermal-insulated heat preservation effect of heat accumulation room through set up thermal-insulated sealing ring in the connector simultaneously, avoid the heat to run off in a large number, improve thermal utilization ratio.

5. The utility model discloses be provided with the level gauge that links to each other with the controller in holding water box, set up the moisturizing pipe at holding water box's top simultaneously, be provided with the solenoid valve that links to each other with the controller on the moisturizing pipe, still be provided with the flow control valve that links to each other with the controller simultaneously on the inlet tube, the utility model discloses a temperature sensor and level gauge carry out real time monitoring to the temperature and the liquid level in holding water box to carry out the hydrologic cycle through controller control circulating pump when the temperature is less than the setting value and the liquid level is less than the setting value, guarantee that the temperature is in reasonable within range all the time, in time carry out the moisturizing to holding water box simultaneously, guarantee the steady operation of hot water circulation, improve the.

6. The utility model discloses a holding water box surface parcel has the heat preservation, the heat preservation adopts rubber and plastic foam, polyurethane foamed plastic or rock wool heated board, reduces the manufacturing cost of equipment when guaranteeing the heat preservation effect to improve equipment's practicality.

7. The utility model discloses a high temperature fused salt improves the heat storage capacity of heat storage medium as heat storage medium to the heat that gathers as much as possible when temperature is higher improves the heat collection ability of device improves its utilization ratio to the heat.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the heat storage tube structure of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of the present invention;

reference numerals: 1. holding water box, 2, heat accumulation case, 3, the inlet tube, 4, the outlet pipe, 5, heat accumulation pipe, 6, the inner tube, 7, the outer tube, 8, the regenerator, 9, the heat accumulation medium, 10, the heat-sink shell, 11, circulating water pump, 12, temperature sensor, 13, the controller, 14, the bracing piece, 15, the locker room, 16, the solar panel, 17, the end cover, 18, the connector, 19, the heat insulating seal ring, 20, the level gauge, 21, moisturizing pipe, 22, the solenoid valve, 23, the heat preservation, 24, flow control valve, 25, the drain pipe.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "top", "bottom", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, or the position or positional relationship which is usually understood by those skilled in the art, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 in specific cases to those skilled in the art.

Embodiment mode 1

As a basic embodiment of the present invention, the present embodiment discloses a hot water circulation system for a passive house, as shown in fig. 1 and fig. 2, the hot water circulation system comprises a heat preservation water tank 1 and a heat storage tank 2, wherein a heat storage pipe 5 is fixedly arranged in the heat storage tank 2, a water inlet pipe 3 and a water outlet pipe 4 are respectively arranged at the top and the bottom of the heat storage tank 2, and one end of the water inlet pipe 3 and one end of the water outlet pipe 4 are respectively connected with the heat preservation water tank 1; the heat storage pipe 5 comprises an inner pipe 6 and an outer pipe 7, the outer pipe 7 is sleeved on the inner pipe 6, a heat storage chamber 8 for storing a heat storage medium 9 is formed between the inner pipe 6 and the outer pipe 7, and the heat storage medium 9 is high-temperature molten salt; a support rod 14 is further arranged in the heat storage chamber 8, and two ends of the support rod 14 are respectively connected with the outer surface of the inner pipe 6 and the inner surface of the outer pipe 7; the other ends of the water inlet pipe 3 and the water outlet pipe 4 are respectively connected with the upper end and the lower end of the inner pipe 6, the outer surface of the outer pipe 7 is provided with a heat absorption layer 10, and the heat absorption layer 10 can adopt any one of a black nickel coating, a black chromium coating or an aluminum oxidation coating according to the specific requirement of heat absorption; meanwhile, a temperature sensor 12 is arranged in the heat preservation water tank 1, a circulating water pump 11 and a controller 13 are further arranged on the heat preservation water tank 1, the input end of the controller 13 is connected with the temperature sensor 12, the output end of the controller 13 is connected with the circulating water pump 11, and a drain pipe 25 connected with various water using appliances is further arranged at the bottom of the heat preservation water tank 1.

Embodiment mode 2

As a preferred example of this embodiment, the present invention discloses a hot water circulation system for a passive house, which includes, as shown in fig. 3, a heat-insulating water tank 1 and a heat storage tank 2, wherein a light-gathering plate 16 for reflecting sunlight to a heat storage pipe 5 is disposed on an inner surface of the heat storage tank 2; the top and the bottom of the heat storage pipe 5 are connected with a sealing end cover 17 through screw threads, the middle part of the sealing end cover 17 is provided with a connecting port 18 for the water inlet pipe 3 and the water outlet pipe 4 to pass through, and a heat insulation sealing ring 19 is sleeved in the connecting port 18; meanwhile, a liquid level meter 20 connected with the controller 13 is also arranged in the heat preservation water tank 1, a water replenishing pipe 21 is arranged at the top of the heat preservation water tank 1, an electromagnetic valve 22 connected with the controller 13 is arranged on the water replenishing pipe 21, a flow control valve 24 is also arranged on the water inlet pipe 3, the flow control valve 24 is connected with the output end of the controller 13, and the controller 13 adopts a PLC; the outer surface of the heat preservation water tank 1 is further wrapped with a heat preservation layer 23, and the heat preservation layer 23 is made of rubber and plastic foam, polyurethane foaming plastic or rock wool heat preservation plates.

When the utility model is used, the heat storage box and the heat preservation water tank are placed on the roof, and the heat storage pipe absorbs heat and stores the heat in the heat storage medium when the temperature is higher in the daytime, thereby avoiding heat loss; meanwhile, the controller controls the hot water in the heat-preservation water tank to continuously circulate through the circulating pump, so that the heat in the heat storage medium is absorbed and stored, and the hot water is ensured to be available at any time; when hot water is needed to be used at night, the hot water is drained to a place where the hot water is needed to be used through the drain pipe, compared with the prior art, the heat storage device can greatly improve the heat storage amount through the heat storage medium, so that the utilization rate of heat is improved; simultaneously the utility model discloses can also set up the heat accumulation case at whole roof, it can improve not only and utilize thermal collection, and the heat accumulation case still is equivalent to the insulating layer and keeps apart roof and external world, avoids the heat to scatter and disappear in a large number from the roof, improves the heat preservation effect in house.

Claims

1. The utility model provides a hot water circulating system for passive room, includes holding water box (1) and heat accumulation case (2), its characterized in that: a water inlet pipe (3) and a water outlet pipe (4) are arranged on the heat storage tank (2), and the water inlet pipe (3) and the water outlet pipe (4) are respectively connected with the heat preservation water tank (1); a plurality of heat storage pipes (5) are uniformly arranged in the heat storage box (2), each heat storage pipe (5) comprises an inner pipe (6) for conveying circulating water, and two ends of each inner pipe (6) are respectively connected with a water inlet pipe (3) and a water outlet pipe (4); an outer pipe (7) is further sleeved on the outer surface of the inner pipe (6), a heat storage chamber (8) is formed between the outer pipe (7) and the inner pipe (6), and a heat storage medium (9) is filled in the heat storage chamber (8); a heat absorption layer (10) is arranged on the outer surface of the outer pipe (7); a circulating water pump (11) and a temperature sensor (12) are arranged in the heat preservation water tank (1), a controller (13) is further arranged on the heat preservation water tank (1), and the input end and the output end of the controller (13) are connected with the temperature sensor (12) and the circulating water pump (11) respectively.

2. A hot water circulation system for a passive room as claimed in claim 1, wherein: the inner pipe (6) is also sleeved with a support rod (14) for fixing the inner pipe (6).

3. A hot water circulation system for a passive room as claimed in claim 1, wherein: be provided with on heat accumulation case (2) and be used for placing locker room (15) of heat accumulation pipe (5), locker room (15) internal surface is provided with solar panel (16).

4. A hot water circulation system for a passive room as claimed in claim 1, wherein: the top and the bottom of the outer pipe (7) are connected with a sealing end cover (17) through threads, and a connecting port (18) for the water inlet pipe (3) and the water outlet pipe (4) to pass through is further arranged on the sealing end cover (17).

5. A hot water circulation system for a passive room as claimed in claim 4, wherein: and a heat insulation sealing ring (19) is fixedly arranged in the connecting port (18).

6. A hot water circulation system for a passive room as claimed in claim 1, wherein: the heat absorption layer (10) is a black nickel coating, a black chromium coating or an aluminum oxide coating.

7. A hot water circulation system for a passive room as claimed in claim 1, wherein: the water level meter is characterized in that a liquid level meter (20) connected with the controller (13) is further arranged in the heat preservation water tank (1), a water replenishing pipe (21) is arranged at the top of the heat preservation water tank (1), and an electromagnetic valve (22) connected with the controller (13) is arranged on the water replenishing pipe (21).

8. A hot water circulation system for a passive room as claimed in claim 1, wherein: the outer surface of the heat preservation water tank (1) is wrapped with a heat preservation layer (23), and the heat preservation layer (23) is made of rubber and plastic foam, polyurethane foaming plastic or rock wool heat preservation plates.

9. A hot water circulation system for a passive room as claimed in claim 1, wherein: and the water inlet pipe (3) is also provided with a flow control valve (24) connected with the controller (13).

10. A hot water circulation system for a passive room as claimed in claim 1, wherein: the heat storage medium (9) is high-temperature molten salt.