A fully closed water storage tank

Abstract

The utility model relates to the technical field of storage water tank, concretely relates to a full-closed storage water tank, including the shell, be provided with soft inner membrane in the shell, be provided with the air pressure balance subassembly of intercommunication with the inner wall of shell on the shell, the top of soft inner membrane is provided with the water inlet pipe of intercommunication with soft inner membrane inside, the bottom of soft inner membrane is provided with the water outlet pipe of intercommunication with soft inner membrane inside. With the help of soft inner membrane to store water, when water, soft inner membrane along with the increase of water, volume becomes big, at the same time with the help of air pressure balance subassembly to discharge the extra air in the shell, when water, soft inner membrane along with the reduction of water, volume becomes small, at the same time with the help of air pressure balance subassembly to fill in the air. The whole water and water outlet process, air only exists between the shell and soft inner membrane, will not enter the soft inner membrane inside and contact with water, like this can effectively avoid the oxidation reaction or the problem of bacteria breeding after air and water contact.

Description

Technical Field

[0001] This utility model relates to the field of water storage tank technology, specifically to a fully enclosed water storage tank. Background Technology

[0002] As secondary equipment for storing domestic water, existing technical solutions generally use 02S101 atmospheric pressure stainless steel water tanks. These tanks are assembled from stainless steel plates into square or round shapes, and water can freely enter and exit the tank through an air connection. They are used for storing tap water, civil defense water, purified water, ultrapure water, and boiler water.

[0003] Existing water tanks and containers use an air-balanced pressure storage system, which causes oxidation or bacterial growth in the water upon contact with air. Furthermore, sodium hypochlorite in tap water can corrode the tanks over long periods of storage. Utility Model Content

[0004] The purpose of this invention is to provide a fully sealed water storage tank, which solves the problem that existing water tanks and containers use air pressure balance mode for water storage, resulting in oxidation or bacterial growth when the water comes into contact with air.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0006] A fully enclosed water storage tank includes an outer shell, a soft inner membrane inside the outer shell, a pressure balancing component on the outer shell that communicates with the inner wall of the outer shell, an inlet pipe at the top of the soft inner membrane that communicates with the inside of the soft inner membrane, and an outlet pipe at the bottom of the soft inner membrane that communicates with the inside of the soft inner membrane.

[0007] A further technical solution is to leave gaps between the top and sidewalls of the soft inner membrane and the inner wall of the outer shell.

[0008] A further technical solution is that the top of the soft inner membrane is also provided with a water quality retention pipe and a soft inner membrane cleaning pipe that are connected to the inside of the soft inner membrane; the bottom of the soft inner membrane is provided with a drain pipe that is connected to the inside of the soft inner membrane, and the bottom of the outer shell is set as a flat surface or gradually concave downward from the edge to the center.

[0009] A further technical solution is that the top of the outer shell is provided with an upper connection port connecting the inside and outside, and the top of the soft inner membrane is connected to a first mounting flange at the position corresponding to the upper connection port. The water inlet pipe is connected to the inside of the soft inner membrane through the first mounting flange. The bottom of the outer shell is provided with a lower connection port connecting the inside and outside, and the bottom of the soft inner membrane is provided with a second mounting flange at the position corresponding to the lower connection port. The water outlet pipe is connected to the inside of the soft inner membrane through the second mounting flange.

[0010] A further technical solution is that the top of the soft inner membrane is connected to a third mounting flange and a fourth mounting flange at the corresponding connection port position. The water quality maintenance pipe is connected to the inside of the soft inner membrane through the third mounting flange, and the soft inner membrane cleaning pipe is connected to the inside of the soft inner membrane through the fourth mounting flange.

[0011] A further technical solution is that the lower end of the soft inner membrane cleaning tube is connected to a rotating nozzle inside the soft inner membrane.

[0012] A further technical solution is that a fifth mounting flange is provided at the bottom of the soft inner membrane at the corresponding lower connection port position, and the drain pipe is connected to the inside of the soft inner membrane through the fifth mounting flange.

[0013] A further technical solution is to install a steel frame base at the bottom of the outer casing.

[0014] A further technical solution is that the air pressure balancing assembly includes an air pressure balancing pipe, the lower end of which is connected to the inside of the housing at the top edge of the housing, and the upper end is set as an elbow structure with the end facing downward.

[0015] Compared with existing technologies, the beneficial effects of this invention are as follows: Utilizing the double-layer structure of the outer shell and the soft inner membrane, the outer shell protects the soft inner membrane, preventing damage. Simultaneously, the soft inner membrane stores water. When water enters, the soft inner membrane expands with the increase in water volume, while an air pressure balancing component expels excess air from the outer shell. When water exits, the soft inner membrane shrinks with the decrease in water volume, while the air pressure balancing component allows air to enter. Throughout the entire water entry and exit process, air exists only between the outer shell and the soft inner membrane, preventing it from entering the soft inner membrane and coming into contact with the water. This effectively avoids oxidation reactions or bacterial growth that can occur when air comes into contact with water. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of a fully enclosed water storage tank according to the present invention.

[0017] Figure 2 for Figure 1 A magnified view of the area marked A in the middle.

[0018] Figure 3 This is a schematic diagram of the connection between the first mounting flange and the soft inner membrane of a fully enclosed water storage tank according to this utility model.

[0019] Icons: 1-Outer shell, 2-Soft inner membrane, 3-Inlet pipe, 4-Outlet pipe, 5-Water quality retention pipe, 6-Soft inner membrane cleaning pipe, 7-Drain pipe, 8-Upper connection port, 9-First mounting flange, 10-Rotating nozzle, 11-Steel frame base, 12-Air pressure balance pipe, 13-Elbow structure, 14-Sealing ring, 15-Lower connection port. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0021] Figures 1 to 3 The following is an embodiment of the present invention.

[0022] Example:

[0023] A fully enclosed water storage tank includes an outer shell 1, an inner soft membrane 2 inside the outer shell 1, and a pressure balancing component connected to the inner wall of the outer shell 1. An inlet pipe 3 connected to the interior of the inner soft membrane 2 is located at the top of the inner soft membrane 2, and an outlet pipe 4 connected to the interior of the inner soft membrane 2 is located at the bottom. The double-layer structure of the outer shell 1 and the inner soft membrane 2 protects the inner soft membrane 2 from damage while storing water. When water is added, the inner soft membrane 2 expands in volume, and the pressure balancing component expels excess air from inside the outer shell 1. When water is discharged, the inner soft membrane 2 shrinks in volume as the water level drops, and the pressure balancing component allows air to enter. Throughout the entire water inlet and outlet process, air exists only between the outer shell 1 and the inner soft membrane 2 and does not enter the inner soft membrane 2 to come into contact with the water. This effectively avoids oxidation reactions or bacterial growth that may occur when air comes into contact with water. The soft inner membrane 2 is made from PVC film, TPU film, or polymer drinking water film using a high-frequency welding machine. It is spherical, cylindrical, rectangular, or elliptical in shape, 10mm smaller than the outer shell 1. The finished soft inner membrane 2 is placed inside the outer shell 1 and unfolded, effectively isolating the stored water from contact with air. The outer shell 1 is made from steel plate by molding or rolling. The outer shell 1 is spherical, cylindrical, rectangular, or elliptical in shape and serves as the main load-bearing structure of the equipment. The outer shell 1 can be made of steel plate, galvanized sheet, engineering plastics, concrete, or other structural materials.

[0024] A gap or protective layer is left between the top and sidewalls of the soft inner membrane 2 and the inner wall of the outer shell 1. The gap is usually set to 10mm. This gap can serve as a buffer zone between the soft inner membrane 2 and the outer shell 1. During the process of water intake and drainage, the soft inner membrane 2 will expand and contract. With the help of this gap, the soft inner membrane 2 can avoid direct friction with the inner wall of the outer shell 1, thereby avoiding damage to the soft inner membrane 2 caused by long-term friction.

[0025] The top of the soft inner membrane 2 is equipped with a water quality retention pipe 5 and a soft inner membrane cleaning pipe 6, both connected to the interior of the soft inner membrane 2. The bottom of the soft inner membrane 2 is equipped with a drain pipe 7, also connected to the interior of the soft inner membrane 2. The bottom of the outer shell 1 is either flat or gradually concave from the edge to the center. The water quality retention pipe 5 connects to disinfection equipment for disinfection after cleaning the inner wall of the soft inner membrane 2 and for disinfection during normal water storage. The soft inner membrane cleaning pipe 6 connects to an external cleaning pipeline. When cleaning is required, the inner wall of the soft inner membrane 2 is rinsed through the soft inner membrane cleaning pipe 6. The drain pipe 7 is used for wastewater discharge during cleaning and storage. Both the drain pipe 7 and the outlet pipe 4 are equipped with valves to control their respective on / off states. During cleaning or wastewater discharge, the valve on the outlet pipe 4 is closed, and the valve on the drain pipe 7 is opened. During normal use, the valve on the drain pipe 7 is closed, and the valve on the outlet pipe 4 is opened. The shape of the bottom of the outer shell 1 allows the inner membrane 2 to have the same shape, so that during cleaning, the connection between the drain pipe 7 and the inner membrane 2 is set at the lowest point, which facilitates the drainage of sewage.

[0026] The top of the outer casing 1 has an upper connection port 8 connecting the inside and outside. A first mounting flange 9 is connected to the top of the soft inner membrane 2 at the position corresponding to the upper connection port 8. The inlet pipe 3 connects to the interior of the soft inner membrane 2 through the first mounting flange 9. The bottom of the outer casing 1 has a lower connection port 15 connecting the inside and outside. A second mounting flange is provided at the bottom of the soft inner membrane 2 at the position corresponding to the lower connection port 15. The outlet pipe 4 connects to the interior of the soft inner membrane 2 through the second mounting flange. Figure 3 For example, when installing the inlet pipe 3 through the first mounting flange 9, the first mounting flange 9 includes two flanges, which are fixed by bolts. An installation port is provided on the top of the soft inner membrane 2, with the edge of the installation port positioned between the two flanges, and the two flanges are pressed together for sealing. Sealing rings 14 are provided at the contact points between the two flanges and the soft inner membrane 2. The inlet pipe 3 is connected to the flange located outside the soft inner membrane 2 by welding or threaded connection. This achieves communication between the inlet pipe 3 and the soft inner membrane 2, while ensuring sealing and connection stability. The outer wall of the outlet pipe 4 is installed and sealed to the center hole of the second mounting flange by welding or threaded connection. The second, third, fourth, and fifth mounting flanges all use the same connection method between the first mounting flange 9 and the soft inner membrane 2.

[0027] The top of the soft inner membrane 2 is connected to a third mounting flange and a fourth mounting flange at the corresponding connection port 8. The water quality retention pipe 5 is connected to the interior of the soft inner membrane 2 via the third mounting flange, and the soft inner membrane cleaning pipe 6 is connected to the interior of the soft inner membrane 2 via the fourth mounting flange. The water quality retention pipe 5 passes through the third mounting flange into the inner wall of the soft inner membrane 2, and the outer wall of the water quality retention pipe 5 is sealed to the center hole of the third mounting flange by welding or threading. The soft inner membrane cleaning pipe 6 passes through the fourth mounting flange into the inner wall of the soft inner membrane 2, and the outer wall of the soft inner membrane cleaning pipe 6 is sealed to the center hole of the fourth mounting flange by welding or threading.

[0028] The lower end of the soft inner membrane cleaning tube 6 is connected to a rotating nozzle 10 inside the soft inner membrane 2. The rotating nozzle 10, which can rotate 360°, is used for automatic cleaning of the inner wall of the soft inner membrane 2. Any nozzle that automatically rotates during water output and is made of food-grade material is acceptable.

[0029] A fifth mounting flange is provided at the bottom of the soft inner membrane 2 at the corresponding lower connection port 15. The drain pipe 7 is connected to the interior of the soft inner membrane 2 through the fifth mounting flange. The outer wall of the drain pipe 7 is sealed to the center hole of the fifth mounting flange by welding or threading.

[0030] A steel frame base 11 is provided at the bottom of the outer casing 1. By providing the steel frame base 11, the outer casing 1 can be prevented from directly contacting the ground, and the steel frame base 11 can also be used to leave installation space for the drain pipe 7 and the outlet pipe 4.

[0031] The air pressure balancing assembly includes an air pressure balancing pipe 12. The lower end of the air pressure balancing pipe 12 connects to the interior of the outer shell 1 at the top edge of the outer shell 1, and the upper end is configured as an elbow structure 13 with the end facing downwards. The shape of the air pressure balancing pipe 12 allows for ventilation between the inside and outside of the outer shell 1 while reducing the entry of dust and rainwater into the interior of the outer shell 1. Furthermore, to prevent other insects or impurities from entering the interior of the outer shell 1 through the air pressure balancing pipe 12, a filter cotton or filter screen is installed inside the air pressure balancing pipe 12.

[0032] Although the present invention has been described herein with reference to several illustrative embodiments, it should be understood that many other modifications and implementations can be devised by those skilled in the art, which will fall within the scope and spirit of the principles disclosed herein. More specifically, various variations and modifications can be made to the components and / or layout of the subject matter combination within the scope of the disclosure, drawings, and claims. Besides variations and modifications to the components and / or layout, other uses will be apparent to those skilled in the art.

Claims

1. A fully enclosed water storage tank, comprising an outer shell (1), characterized in that, The outer shell (1) is provided with a soft inner membrane (2), and the outer shell (1) is provided with a pressure balancing component that is connected to the inner wall of the outer shell (1). The top of the soft inner membrane (2) is provided with a water inlet pipe (3) that is connected to the inside of the soft inner membrane (2), and the bottom of the soft inner membrane (2) is provided with a water outlet pipe (4) that is connected to the inside of the soft inner membrane (2).

2. The fully enclosed water storage tank according to claim 1, characterized in that: There is a gap between the top and sidewalls of the soft inner membrane (2) and the inner wall of the outer shell (1).

3. The fully enclosed water storage tank according to claim 1, characterized in that: The top of the soft inner membrane (2) is also provided with a water quality retention pipe (5) and a soft inner membrane cleaning pipe (6) that are connected to the inside of the soft inner membrane (2); the bottom of the soft inner membrane (2) is provided with a drain pipe (7) that is connected to the inside of the soft inner membrane (2); the bottom of the outer shell (1) is set as a plane or gradually concave from the edge to the center.

4. A fully enclosed water storage tank according to claim 3, characterized in that: The top of the outer shell (1) is provided with an upper connection port (8) that connects the inside and outside. The top of the soft inner membrane (2) is connected with a first mounting flange (9) at the position corresponding to the upper connection port (8). The water inlet pipe (3) is connected to the inside of the soft inner membrane (2) through the first mounting flange (9). The bottom of the outer shell (1) is provided with a lower connection port (15) that connects the inside and outside. The bottom of the soft inner membrane (2) is provided with a second mounting flange at the position corresponding to the lower connection port (15). The water outlet pipe (4) is connected to the inside of the soft inner membrane (2) through the second mounting flange.

5. A fully enclosed water storage tank according to claim 4, characterized in that: The top of the soft inner membrane (2) is connected to a third mounting flange and a fourth mounting flange at the position corresponding to the upper connection port (8). The water quality holding pipe (5) is connected to the inside of the soft inner membrane (2) through the third mounting flange, and the soft inner membrane cleaning pipe (6) is connected to the inside of the soft inner membrane (2) through the fourth mounting flange.

6. A fully enclosed water storage tank according to claim 5, characterized in that: The lower end of the soft inner membrane cleaning tube (6) is connected to a rotating nozzle (10) inside the soft inner membrane (2).

7. A fully enclosed water storage tank according to claim 4, characterized in that: The bottom of the soft inner membrane (2) is provided with a fifth mounting flange at the position corresponding to the lower connection port (15), and the drain pipe (7) is connected to the interior of the soft inner membrane (2) through the fifth mounting flange.

8. A fully enclosed water storage tank according to claim 1, characterized in that: The bottom of the outer casing (1) is provided with a steel frame base (11).

9. A fully enclosed water storage tank according to claim 1, characterized in that: The pressure balancing assembly includes a pressure balancing pipe (12), the lower end of which is connected to the inside of the outer shell (1) at the top edge of the outer shell (1), and the upper end is configured as an elbow structure (13) with the end facing downward.

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