Boiler water replenishing tank with exhaust function
By installing an air block cap and vent holes in the boiler feed water tank, combined with a dust cover and water float, the problem of water splashing caused by steam entering the feed water tank is solved, achieving a safe and clean water replenishment effect and simple liquid level monitoring.
Patent Information
- Application Number
- CN202421915192.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-07
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-08-07
AI Technical Summary
When the water in the existing boiler water supply tank boils, steam enters the lower part of the water supply tank through the water supply pipe, causing the water to churn and splash out, affecting the safety and cleanliness of use.
A boiler water supply tank with a self-exhaust function is designed. By arranging an air blocking cap and multiple air vents on the vent pipe, and opening a water supply port on the lower side wall of the vent pipe, combined with a dust cover and a water float on the water tank body, steam is prevented from entering the water supply tank and splashing out, while simplifying liquid level observation.
It effectively prevents water splashing caused by steam shock, maintains the stability and cleanliness of the water in the water supply tank, simplifies liquid level observation, and avoids the problem of the liquid level gauge becoming blurred due to boiler water corrosion.
Smart Images

Figure CN223345379U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of boiler water supply equipment, in particular to a boiler water supply box with a self-exhaust function. Background Art
[0002] Boilers have become an important tool in people's lives and are often used for heating in homes, poultry houses and other places. The water supply tank is an important component for the continuous operation of the boiler. It is used to hold expansion water, and plays the role of replenishing water and balancing water volume and pressure. Prior patent 202220906163.6, a water supply tank for a small boiler, includes a water tank body, a vent pipe, a water supply pipe, and an air block cap. The vent pipe is placed inside the water tank body, and the lower end passes through the lower wall of the water tank body and is fixedly connected to the water tank body. The upper end of the vent pipe is fixedly connected to the air block cap. A vent hole is opened on the vent pipe below the air block cap. The water supply pipe is placed on the inside of the vent pipe and is fixedly connected to the vent pipe. One end of the water supply pipe is connected to the water tank body, and the other end extends downward. When in use, when the boiler water is boiling, the water vapor rises along the vent pipe and is then discharged from the vent hole. The steam is blocked by the air block cap and then flows downward into the water tank body. When water needs to be replenished, the water in the water supply tank flows into the boiler through the water supply pipe. However, when the water in the boiler boils, steam will enter the lower part of the water supply tank through the water supply pipe. The impact force will cause the water in the water supply tank to churn, and the water will burst out from the top of the water supply tank and splash onto the ground. Summary of the Invention
[0003] The purpose of the utility model is to provide a boiler water supply tank with a self-exhaust function, so as to prevent the steam in the boiler from entering the water supply tank and then escaping from the water supply tank.
[0004] The technical solution of this utility model:
[0005] A boiler water supply tank with its own exhaust function includes a water tank body, a vent pipe, and an air block cap. The vent pipe is placed inside the water tank body, and the lower end passes through the lower end of the water tank body and is fixedly connected to the water tank body. The air block cap is fixed to the upper end of the vent pipe. A plurality of vent holes are opened at the upper end of the vent pipe and below the air block cap, and a water supply port is opened on the lower side wall of the vent pipe.
[0006] Beneficial effects of the utility model:
[0007] 1. The new water supply pipe of the present application can prevent the steam in the boiler from entering the lower part of the water supply tank through the water supply pipe without affecting the water supply to the boiler. The impact of the steam causes the water in the water tank to churn and then burst out of the water tank to the ground.
[0008] 2. This application adds a dust cover to the water tank to prevent dust.
[0009] 3. This application replaces the liquid level gauge of the prior patent with a water float in the water tank, which has a simple structure and is easy to observe. This solves the problem of the existing technology of installing a liquid level gauge on the side of the water tank. Because the boiler and the connected heater are made of iron, the water contains a large amount of water rust and impurities. After long-term use, the glass of the liquid level gauge becomes unclear and unusable. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are merely embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying any creative work.
[0011] Figure 1 This is a schematic diagram of the external structure of the boiler water supply tank with built-in exhaust function for this application.
[0012] Figure 2 This is a schematic diagram of the cross-sectional structure of the boiler water supply tank with built-in exhaust function in this application.
[0013] Figure 3 This is a schematic diagram of the cross-sectional structure of the boiler water supply tank with built-in exhaust function in this application.
[0014] Figure 4 This is a schematic diagram of the cross-sectional structure of the boiler water supply tank with built-in exhaust function in this application.
[0015] Figure 5 This is a top view of the water tank body of the boiler make-up water tank with built-in exhaust function in this application.
[0016] Figure 6 This is a schematic diagram of the cross-sectional structure of the boiler water supply tank with built-in exhaust function in this application.
[0017] Figure 7 This is a top view of the water tank body of the boiler make-up water tank with built-in exhaust function in this application.
[0018] Reference numerals:
[0019] Water tank body 1; vent pipe 2; air blocking connecting plate 3; vent hole 4; water supply port 5; water supply pipe 6; dust cover 7; water float 8; connecting plate 31; air blocking cap 32; water retaining edge 33. DETAILED DESCRIPTION
[0020] In order to solve the problems in the background technology, a boiler water supply tank with a built-in exhaust function is specially invented in this application. The water supply tank can better solve the problem of water leakage into the water supply tank after the boiler water is turned on in the prior patent.
[0021] It should be noted that, in the description of this application, terms such as "upper end", "lower end", "up", and "down" indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. This is only for the convenience of description and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on this application.
[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.
[0023] like Figure 1-4 As shown, a boiler water supply tank with its own exhaust function includes a water tank body 1, a vent pipe 2, and an air blocking connecting plate 3. The vent pipe 2 is placed inside the water tank body 1, and the lower end passes through the lower end of the water tank body 1 and is fixedly connected to the water tank body 1. The upper end of the vent pipe 2 is fixed with an air blocking connecting plate 3, and a plurality of vent holes 4 are opened at the upper end of the vent pipe 2 and below the air blocking connecting plate 3, and a water supply port 5 is opened on the lower side wall of the vent pipe 2.
[0024] The water replenishment method in this application can adopt three structures. The first structure is to open a water replenishment port 5 on the side wall of the vent pipe. The water in the water replenishment tank can enter the vent pipe through the water replenishment port and then enter the boiler.
[0025] like Figure 4 As shown, the second type is a water supply pipe installed in the ventilation pipe: the water supply pipe 6 is arranged in the ventilation pipe, one end of the water supply pipe is connected to the water supply port on the ventilation pipe, and the other end of the water supply pipe extends upward.
[0026] like Figure 3 As shown, the third type is a water supply pipe installed in the ventilation pipe: the water supply pipe 6 is arranged in the ventilation pipe, one end of the water supply pipe is connected to the water supply port on the ventilation pipe, and the other end of the water supply pipe extends downward and does not exceed the ventilation pipe.
[0027] The two ends of the water supply pipe described above are perpendicular to each other.
[0028] The first structure of the air blocking connecting plate 3: Figure 5 As shown, the air-blocking connecting plate 3 consists of connecting plates 31 on either side and an air-blocking cap 32 in the middle. The connecting plates 31 on either side are fixedly connected to the side walls of the water tank body, and the air-blocking cap 32 is fixedly connected to the vent pipe. The outer edge of the air-blocking cap is provided with a downwardly extending water retaining edge 33. The length of the water retaining edge is greater than the height of the vent hole. The air-blocking cap and the outer edge of the water retaining edge prevent water vapor from escaping the water tank. The connecting plates on both sides are connected to the water tank body and also serve as reinforcement.
[0029] The second structure of the air blocking connecting plate 3: Figure 7 As shown, the air-blocking connecting plate is in the shape of a long strip, with two longitudinal sides fixedly connected to the side walls of the water tank body, and two lateral sides provided with downwardly extending water retaining edges. The length of the water retaining edge is greater than the height of the vent hole. This arrangement of the water retaining edge has a better water-blocking effect.
[0030] The upper end of the water tank body 1 is further provided with a dust cover 7. The connection method between the dust cover and the water tank body is uncertain. The dust cover can be directly covered on the water body of the water tank, or can be connected by bolts or rotating shafts, hinges, etc., mainly used to prevent dust and prevent water from escaping and splashing onto the ground.
[0031] like Figure 6 As shown, a water float 8 is also provided, extending through the connecting plate of the air blocking connecting plate 3. This float is a commonly used structure in the prior art, offering simplicity and low cost. It also eliminates the issue of the level gauge becoming unclear after prolonged use. The float protrudes from the dust cover, allowing the user to determine the water level in the replenishment tank by observing its rise and fall.
[0032] The above is a schematic description of the present invention and its embodiments, which is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. Therefore, if a person skilled in the art is inspired by the above and does not deviate from the technical solution of the present invention, and designs a structure and implementation similar to the above embodiment without inventiveness based on the technical essence of the present invention, it shall fall within the scope of protection of the present invention.
Claims
1. A boiler water supply tank with self-exhaust function, characterized by: It includes a water tank body, a vent pipe, and an air-blocking connecting plate. The vent pipe is placed inside the water tank body, and the lower end passes through the lower end of the water tank body and is fixedly connected to the water tank body. The upper end of the vent pipe is fixed with an air-blocking connecting plate. Vent holes are opened at the upper end of the vent pipe and below the air-blocking connecting plate, and a water supply port is opened on the lower side wall of the vent pipe.
2. The boiler water supply tank with self-exhaust function according to claim 1, characterized in that: It also includes a water supply pipe, which is arranged in the ventilation pipe. One end of the water supply pipe is connected to the water supply port on the ventilation pipe, and the other end of the water supply pipe extends upward.
3. The boiler water supply tank with self-exhaust function according to claim 1, characterized in that: It also includes a water supply pipe, which is arranged in the ventilation pipe. One end of the water supply pipe is connected to the water supply port on the ventilation pipe, and the other end of the water supply pipe extends downward and does not exceed the ventilation pipe.
4. A boiler water supply tank with self-exhaust function according to claim 2 or 3, characterized in that: The two ends of the water supply pipe are perpendicular to each other.
5. The boiler water supply tank with self-exhaust function according to claim 1, characterized in that: The air-blocking connecting plate is composed of connecting plates on both sides and an air-blocking cap in the middle. The connecting plates on both sides are fixedly connected to the side walls of the water tank body respectively, and the air-blocking cap is fixedly connected to the vent pipe. The outer edge of the air-blocking cap is provided with a water-retaining edge extending downward, and the length of the water-retaining edge is greater than the height of the vent hole.
6. The boiler water supply tank with self-exhaust function according to claim 1, characterized in that: The air blocking connecting plate is in the shape of an elongated strip, with its two longitudinal sides respectively fixedly connected to the side walls of the water tank body, and its two lateral sides are provided with water retaining edges extending downwards, and the length of the water retaining edges is greater than the height of the vent hole.
7. The boiler water supply tank with self-exhaust function according to claim 1, characterized in that: A dust cover is further provided on the upper end of the water tank body.
8. The boiler water supply tank with self-exhaust function according to claim 1, characterized in that: A water float is also provided, and the water float passes through the air-blocking connecting plate.
Citation Information
Patent Citations
Water replenishing tank for small boiler
CN217236106U