Anti-pollution airtight water tank
Technical field
The present invention relates to a kind of water tank of building living water use, particularly relate to a kind of secondary water supply system that is applicable to and to prevent the airtight water tank of water pollution.
Background technology
In highrise building secondary water-supply field, because water supply department does not allow water pump directly to draw water from the municipal water supply pipe network, therefore the secondary water supply system of building mostly need arrange low pool at present, and the part building also will arrange attic tank.Because the water surface of pond or water tank communicates with atmosphere, thus make chlorine residue in the water content sharply minimizing lose inhibitory action to bacterial growth.Airborne pollutant also enters in the water easily in addition, thereby causes the secondary pollution of water body in pond or the water tank.
Summary of the invention
The present invention provides a kind of anti-pollution airtight water tank for solving the technical problem that exists in the known technology, and this cisten mechanism is simple, the living water use of perfect in shape and function, storage can be not contaminated, and water quality safety is reliable.
The technical scheme that the present invention takes for the technical problem that exists in the solution known technology is: a kind of anti-pollution airtight water tank, comprise the water storage casing, ball float control water tank, water inlet pipe and outlet pipe, described water storage casing is provided with the water inlet that communicates with described water inlet pipe and the delivery port that communicates with described outlet pipe, described ball float control water tank is in parallel affixed with described water storage casing, middle part at the inwall of described water storage casing is connected by the bottom of fixing seal with floating type cap shape diaphragm of rubber, the profile of described floating type cap shape diaphragm of rubber and the inner chamber of described water storage casing are adaptive, the upper end of the end face of described floating type cap shape diaphragm of rubber and the inwall of described water storage casing forms an overflow volume, and the top of the inwall of described water storage casing is provided with the overfall that is communicated with described overflow volume; The end face middle part of described floating type cap shape diaphragm of rubber is provided with duck-beak type rubber one way valve, is connected with the duck-beak type delivery port that is positioned at described overflow volume on the described duck-beak type rubber one way valve.
Described water inlet and described delivery port all are arranged on the bottom of the inboard of described water storage casing, are equipped with the stainless steel grid before described water inlet and the described delivery port.
Described water inlet pipe is provided with flap valve.
The bottom of described water storage casing is connected with blow-down pipe.
The advantage that the present invention has with good effect is: compare with traditional open water tank, the present invention utilizes floating type cap shape diaphragm of rubber to be sealed on the inner chamber of water storage casing, between floating type cap shape diaphragm of rubber and water storage casing, form the water space of sealing, floating type cap shape diaphragm of rubber separates water and air, thereby make the growth of the not volatile inhibition of the chlorine residue bacterium in the water, can prevent simultaneously that the outer pollutant of water tank from entering water tank, this cisten mechanism is simple, the living water use of perfect in shape and function, storage can be not contaminated, and water quality safety is reliable.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the I-I sectional drawing of Fig. 1;
Fig. 3 is the II-II sectional drawing of Fig. 1;
Fig. 4 is the III-III sectional drawing of Fig. 1;
Fig. 5 does not have the fundamental diagram of water inlet for water tank of the present invention;
Fig. 6 is the fundamental diagram of water tank peak level of the present invention.
Among the figure: 1, water storage casing, 2, overflow volume, 3, ball float, 4, the duck-beak type delivery port, 5, duck-beak type rubber one way valve, 6, floating type cap shape diaphragm of rubber, 7, fixing seal, 8, delivery port, 9, water inlet, 10, water inlet pipe, 11, outlet pipe, 12, blow-down pipe, 13, overfall, 14, overflow gallery pipe, 15, ball float control water tank, 16, the delivery port of floater controlled valve conduit, 17, floater controlled valve conduit, 18, the valve on the water inlet pipe, 19, flap valve.
The specific embodiment
For further understanding summary of the invention of the present invention, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
See also Fig. 1~Fig. 4, a kind of anti-pollution airtight water tank, comprise water storage casing 1, ball float control water tank 15, water inlet pipe 10 and outlet pipe 11, described water storage casing 1 is provided with the water inlet 9 that communicates with described water inlet pipe 10 and the delivery port 8 that communicates with described outlet pipe 11, described ball float control water tank 15 is in parallel affixed with described water storage casing 1, middle part at the inwall of described water storage casing 1 is connected with the bottom of floating type cap shape diaphragm of rubber 6 by fixing seal 7, the profile of described floating type cap shape diaphragm of rubber 6 and the inner chamber of described water storage casing 1 are adaptive, the upper end of the end face of described floating type cap shape diaphragm of rubber 6 and the inwall of described water storage casing 1 forms an overflow volume 2, and the top of the inwall of described water storage casing 1 is provided with the overfall 13 that is communicated with described overflow volume 2; The end face middle part of described floating type cap shape diaphragm of rubber is provided with duck-beak type rubber one way valve 5, is connected with the duck-beak type delivery port 4 that is positioned at described overflow volume 2 on the described duck-beak type rubber one way valve 5.
The inboard the latter half of water storage casing 1 adopts fixed, inboard the first half adopt can the lifting with water surface fluctuation floating type cap shape diaphragm of rubber.The standing part of water storage casing inside lower end is connected by fixing seal 7 in the middle inside of water storage casing with the floating part of water storage casing inner top side, and floating type cap shape diaphragm of rubber 6 is inlaid in the water storage casing 1.Water storage box inside the first half adopts floating type cap shape diaphragm of rubber 6 to enter in the water in order to volatilization and the airborne pollutant of chlorine residue in the anti-sealing, floating type cap shape diaphragm of rubber 6 is one five cuboid according to the processing of pond shape in the present embodiment.The inboard of floating type cap shape diaphragm of rubber 6 tops and water storage casing 1 forms an overflow volume 2.A duck-beak type rubber one way valve 5 is installed at middle part at floating type cap shape diaphragm of rubber 6 end faces, and water can only overflow through duck-beak type rubber one way valve 5 from the inside of water storage casing 1, and the water and air of water storage casing 1 outside all can not enter in the water tank.Duck-beak type rubber one way valve 5 is airtight when flat, when water tank has an accident, when water level surpasses peak level and surpasses setting pressure in the water storage casing 1, water flows out from duck-beak type rubber one way valve 5, and flow to overflow volume 2, through overfall 13, drained by overflow gallery pipe 14.
Described water inlet 9 and described delivery port 8 all are arranged on the bottom of the inboard of described water storage casing 1, and the front of described water inlet 9 and described delivery port 8 is equipped with the stainless steel grid.Be used for preventing that floating type cap shape diaphragm of rubber 6 from being held by delivery port 8 and water inlet 9.Because the water inlet 9 of water storage casing 1 has been arranged on the latter half of water storage casing 1, water inlet has formed submerge discharging flow.Form the siphon of anti-stream in order to prevent that water inlet end from cutting off the water, set up flap valve 19 at water inlet pipe 10.The bottom of described water storage casing 1 is connected with blow-down pipe 12.
Ball float control water tank 15 is installed in the outside of water storage casing 1, water inlet pipe 10 and the 15 interlock controls of ball float control water tank, when water level in the water storage casing 1 rises, floating type cap shape diaphragm of rubber 6 rises thereupon, have water to enter ball float control water tank 15 by floater controlled valve conduit 17 simultaneously in the water inlet pipe 10, the water level in the ball float control water tank 15 also rises, and ball float 3 rises, just seal the delivery port 16 of floater controlled valve conduit 17 to certain position, close the valve 18 on the water inlet pipe then.When water level in the water storage casing 1 descended, floating type cap shape diaphragm of rubber 6 also descended thereupon, and the water level in the water tank 15 of ball float control simultaneously also descends, ball float 3 reduces, the delivery port 16 of floater controlled valve conduit 17 is opened, and the valve on the water inlet pipe 18 is opened then, and water inlet pipe 10 begins water inlet.
For guaranteeing safety, in the present embodiment, water storage casing 1 inboard standing part adopts the materials such as stainless steel of food-grade, 6 times linings of floating type cap shape diaphragm of rubber food grade materials.
Operating principle of the present invention:
See also Fig. 5~Fig. 6, when anhydrous in the water storage casing 1, floating type cap shape diaphragm of rubber 6 is fitted with the standing part of water storage casing 1 inside lower end, when water inlet pipe 10 has water to enter water storage casing 1 by water inlet 9, along with the water level in the water storage casing 1 rises, floating type cap shape diaphragm of rubber 6 rises thereupon, there is water to enter ball float control water tank 15 by floater controlled valve conduit 17 simultaneously in the water inlet pipe 10, water level in the ball float control water tank 15 also rises, ball float 3 rises, then seal the delivery port 16 of floater controlled valve conduit 17 to certain position, close the valve 18 on the water inlet pipe then.When the water level in the water storage casing 1 descended, floating type cap shape diaphragm of rubber 6 also descended thereupon, and the water level in the water tank 15 of ball float control simultaneously also descends, ball float 3 reduces, the delivery port 16 of floater controlled valve conduit 17 is opened, and valve 18 is opened on the water inlet pipe then, and water inlet pipe 10 begins water inlet.
When water tank has an accident, when the water level in the water storage casing 1 surpasses peak level and surpasses setting pressure, water flows out and flows to the overflow volume 2 that the water tank inside upper part is divided from the duck-beak type delivery port 4 of duck-beak type rubber one way valve 5, through overfall 13, is drained by overflow gallery pipe 14.
Although by reference to the accompanying drawings the preferred embodiments of the present invention are described above; but the present invention is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away under the scope situation that aim of the present invention and claim protect, can also make a lot of forms, these all belong within protection scope of the present invention.