CN2934974Y

CN2934974Y - Solar water heater for storied building

Info

Publication number: CN2934974Y
Application number: CNU200620017738XU
Authority: CN
Inventors: 罗刚
Original assignee: Shenzhen Institute of Building Research Co Ltd
Current assignee: Shenzhen Institute of Building Research Co Ltd
Priority date: 2006-08-14
Filing date: 2006-08-14
Publication date: 2007-08-15
Anticipated expiration: 2016-08-14

Abstract

The utility model relates to a building solar energy water heating device belonging to hot water supply device. The utility model is suitable for building solar energy water heating device, including solar energy collector and hot water unit of users. The hot water unit of users includes backwater main pipe, water supply main pipe and heat storing water tank installed in each unit of users. The utility model is characterized in that the lower ends of the water supply main pipe and backwater main pipe are connected through a manually adjusting valve. A plurality of branch pipe loops is between the water supply main pipe and backwater main pipe. The branch pipe loop includes a water supply branch pipe and a backwater branch pipe. A pipe coil of heat exchange is between the water supply branch pipe and the backwater branch pipe. The pipe coil of heat exchange is placed in the heat storing water tank. A plurality of pipe coils of heat exchange forms parallel pipe structure. The main pipe and the branch pipes of the utility model only supply heat but not water, so hot water meter is saved. The difficulties of property management and the work of counting cost by water meter are avoided. Concentrative auxiliary heating system is not set, so that the operation of the system has low cost and high reliability.

Description

The building apparatus for heating water by solar energy

Technical field:

The utility model relates to a kind of building apparatus for heating water by solar energy, and it belongs to hot-water supply device, particularly is applicable to the solar energy hot water supplying device of domestic premises.

Background technology:

The solar water heating system of multilayer or high-rise residential architecture use at present adopts the solar energy central hot-water heating system more, it comes down to solar thermal collection system and common central hot-water heating system stack, the running water that is about to need to be heated by central hot-water heating system is earlier through solar energy heating, look weather condition again and carry out suitably auxiliary heating, guarantee promptly that to play the hot water supply saves the effect of the energy again.Its way of supplying water is by main hot water to be delivered to each floor, delivers to every family by arm again.Leading on the arm at each family, all hot water gauge to be installed, to measure the hot water water consumption at each family.

There is following shortcoming in the solar energy central hot-water heating system: 1) big, the meterage of equipment complexity, pipeline heat loss must labor intensive etc. factor cause operating cost higher.When solar water heating system was used to skyscraper, because the collector area deficiency, auxiliary heating ratio increased, and makes the problem of hot water selling at exorbitant prices more outstanding; 2), will influence the hot water supply, even make the user have to take a shower with cold water in case break down or manage and go wrong; 3) because arm is not generally taked the recirculated water constant temperature measures, the cold water often that feasible following period of time of just having fetched boiling water tap is emitted, and the user will pay the expense of hot water for this reason.

Summary of the invention:

The purpose of this utility model is to provide a kind of operating cost low, and system is reliable, can guarantee the building apparatus for heating water by solar energy that building resident family hot water uses.

The purpose of this utility model is achieved in that

A kind of building apparatus for heating water by solar energy, it comprises solar thermal collector and user's hot water unit, described user's hot water unit comprises backwater main and water main, is installed in the interior heat storage water tank of subscriber unit, is connected running water inlet channel and mixed hot water outlet conduit on the heat storage water tank, it is characterized in that being connected by a manual adjustments valve in the lower end of described water main and backwater main; Pick out a plurality of tube loops between water main and the backwater main, described each tube loop comprises a subfeeder and a return branch, connects a heat exchange coil between subfeeder and return branch, and described heat exchange coil places heat storage water tank; Constitute pipeline structure in parallel between a plurality of the tube loops.

Between described subfeeder and return branch bypass pipe is set, described bypass pipe is provided with the valve that is used to regulate current.Described bypass pipe is connected with subfeeder via the three-way valve of temperature controller control.Magnetic valve by temperature controller control also can respectively be set on described bypass pipe and subfeeder replace above-mentioned triple valve.

The heat storage water tank inside of described user's hot water unit can be provided with the electric heater of auxiliary heating usefulness.

The gas heater that on the mixed hot water outlet conduit of the heat storage water tank of described user's hot water unit, can connect an auxiliary heating usefulness.

Between described backwater main or water main and solar thermal collector, be provided with a water circulating pump.

In the described water-flow circuit that constitutes by backwater main, water main and solar thermal collector, be provided with an expansion tank.

Described heat storage water tank is a bearing type water tank.

The utility model operating cost is low, and system is reliable, can guarantee that building resident family hot water uses.Because the hot water that the building user uses is heated in user family, heated running water is the same with other domestic water, by the water meter measurement of registering one's residence, need not to establish in addition hot water meter, has avoided the workload of estate management difficulty and counting cost by gas meter; Overcast and rainy do not have solar hot-water when supply, and resident family can use own home's electrical heating or gas-operated thermal bath facility to add hot water, can stop all users and be forced to use the accident that cold water takes a shower and take place; Boiler is installed in each user toilet or near on the balcony of toilet, makes the terminal hot water line shorten, and it is less that pipeline retains the cold water water yield, helps water saving; Do not establish the auxiliary heating system of concentrating heating, reduced the difficulty and the workload of system's operation; And be free solar energy rather than the heat that produces by electric energy or combustion gas by above-mentioned pipeline loop dispersed heat, help energy-conservation.The utility model is realized freely providing the heat energy of taking from the sun to the user easily.

Description of drawings:

Accompanying drawing 1 is a structural representation of the present utility model

Accompanying drawing 2 is the structural representation of the utility model embodiment 2

The specific embodiment:

Be embodiment of the present utility model with attached Fig. 1 and 2 below, the utility model be further detailed:

Embodiment 1: as shown in accompanying drawing 1

Solar thermal collector 1 of the present utility model is installed in the top of building, and mounting means is identical with the central hot-water heating system of regular solar.Described heat storage water tank 6 is installed on each user's toilet or near the balcony place of toilet, and heat storage water tank 6 can be by 60 premium on currency design for each person every day, and adopts bearing type water tank; Be connected with a backwater main 3 and water main 4 on described solar thermal collector 1, and lead to each floor, the water main set-up mode is identical with common central hot-water heating system, requires its sectional area should be not less than the water main of common central hot-water heating system.Pick out a plurality of tube loops between water main and the backwater main, described tube loop comprises a subfeeder 21 and a return branch 22, connect a heat exchange coil 7 between subfeeder 21 and return branch 22, described heat exchange coil 7 places heat storage water tank; Constitute pipeline structure in parallel between a plurality of the tube loops.Should adopt more tiny arm at subfeeder 21 and return branch 22, and the length of tiny arm should be about equally in each tube loop.Between described subfeeder 21 and return branch 22 bypass pipe 23 is set, described bypass pipe 23 is connected with subfeeder 21 through three-way valve 13, and described bypass pipe 23 is provided with the valve 5 that is used to regulate current.Be provided with the electric heater 8 of auxiliary heating usefulness at the heat storage water tank 6 of described user's hot water unit.

The upper end of water main and backwater main is connected with water inlet with the delivery port of solar thermal collector respectively, and the lower end of water main and backwater main is connected by a motor regulated valve 5, to regulate the pressure differential between water main and the backwater main.

Be provided with a water circulating pump 2 between described backwater main 3 and the solar thermal collector 1.So that the medium in the water main constantly replaced from the high-temperature medium in the solar heat collector, and build-up pressure is poor between water main and backwater main; When actual fabrication, require all pipelines that the flow of hot water warp is arranged to take effectively to be incubated measure.

In order to guarantee that the user has the supply of hot water under the rainy weather state, the electric heater 8 of auxiliary heating usefulness can be arranged in the heat storage water tank 6.

In order to prevent that loop medium expanded by heating from causing that pressure changes significantly, be provided with an expansion tank 12 at the epitaxial part of described water main and solar thermal collector connecting pipe.

Operation principle of the present utility model and flow process:

When weather was fine, the medium in the heat collector was subjected to the water circulating pump of temperature controller control to deliver to water main by the medium that the temperature in the heat collector is higher by solar energy heating, and simultaneously that temperature is lower medium is delivered to the water inlet of heat collector by the backwater main.Because there is resistance in each tube loop of being connected between the main, and the lower end of water main and backwater main is connected by a manual adjustments valve, so be easy to make pressure differential of existence between water main and the backwater main.Above-mentioned pressure differential can make the heat exchange coil of MEDIA FLOW in bearing type water tank in the water main, flow to the backwater main again.When MEDIA FLOW during, just the solar thermal energy that heat collector is collected can be passed to the running water in the water tank through heat exchange coil.When weather changed or causes heat collector delivery port temperature to be lower than the water inlet temperature at sunset, water circulating pump shut down, and two water pressure in main pipe differences are zero, and the above-mentioned heat supply activity of a tube loop stops.When water temperature reached design temperature in the water tank, temperature controller makes triple valve or magnetic valve action, makes the medium that leads to heat exchange coil by bypass, and was overheated to prevent the water in the water case; When the user need use hot water, as long as open the valve of water outlet of water tank, the pressure of municipal tap water just can eject the delivery port of hot water by water tank upper, and colder running water is then injected by the water tank bottom.When rainy weather, get the hot hot water that can take a shower of being not enough to obtain by the sun, can utilize the electric heater in the water tank that water in the water tank is assisted heating this moment.

Embodiment 2: as shown in accompanying drawing 2

In the present embodiment, between described subfeeder 21 and the return branch 22 bypass pipe 23 is set, described bypass pipe 23 is provided with the valve 5 that is used to regulate current; Described bypass pipe 23 is provided with magnetic valve 11; Simultaneously, setting also is provided with magnetic valve 11 on described subfeeder 21.

In order to guarantee that the user has the supply of hot water under the rainy weather state, connect a gas heater 10 at hot water effluent's tube portion of described water tank.

Above-mentioned gas heater only needs the water in the water tank is considered as ordinary tap water as adopting forced-ventilated water heater, and the installation method connection of pressing the general gas water heater gets final product.When water temperature in the water tank has reached instructions for use, then do not open the fan of forced-ventilated water heater.Like this, just can not be heated during the overheated hydrophone of current.

The other parts of embodiment 2 are identical with embodiment 1.

Claims

1, a kind of building apparatus for heating water by solar energy, it comprises solar thermal collector (1) and user's hot water unit, described user's hot water unit comprises backwater main (3) and water main (4), is installed in the interior heat storage water tank (6) of subscriber unit, is connected running water inlet channel and mixed hot water outlet conduit on the heat storage water tank (6), it is characterized in that being connected by a manual adjustments valve (5) in the lower end of described water main and backwater main; Pick out a plurality of tube loops between water main and the backwater main, described each tube loop comprises a subfeeder (21) and a return branch (22), connect a heat exchange coil (7) between subfeeder (21) and return branch (22), described heat exchange coil (7) places heat storage water tank (6); Constitute pipeline structure in parallel between a plurality of the tube loops.

2, the building apparatus for heating water by solar energy described in claim 1 is characterized in that between described subfeeder (21) and return branch (22) bypass pipe (23) being set, and described bypass pipe (23) is provided with the valve (5) that is used to regulate current.Described bypass pipe (23) is connected with subfeeder (21) via the three-way valve (13) of temperature controller control.

3, the building apparatus for heating water by solar energy described in claim 1 is characterized in that between described subfeeder (21) and return branch (22) bypass pipe (23) being set, and described bypass pipe (23) is provided with the valve (5) that is used to regulate current; On described bypass pipe (23) and subfeeder (21), be provided with magnetic valve (11) by temperature controller control.

4, the building apparatus for heating water by solar energy described in claim 1 or 2 or 3 is characterized in that heat storage water tank (6) inside of described user's hot water unit can be provided with the electric heater (8) of auxiliary heating usefulness.

5, the building apparatus for heating water by solar energy described in claim 1 or 2 or 3 is characterized in that can connecting the gas heater (10) of an auxiliary heating usefulness on the mixed hot water outlet conduit of the heat storage water tank (6) of described user's hot water unit.

6, the building apparatus for heating water by solar energy described in claim 1 is characterized in that being provided with a water circulating pump (2) between described backwater main (3) or water main (4) and solar thermal collector (1).

7, the building apparatus for heating water by solar energy described in claim 1 is characterized in that being provided with an expansion tank (12) in the described water-flow circuit that is made of backwater main (3), water main (4) and solar thermal collector (1).

8, the building apparatus for heating water by solar energy described in claim 1 is characterized in that described heat storage water tank (6) is a bearing type water tank.