A hot water tank for food safety

CN224776550UActive Publication Date: 2026-09-22NINGBO MINGHAO MACHINERY EQUIPMENT CO LTD
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Patent Information

Application Number
CN202521544441.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-23
Publication Date
2026-09-22
Estimated Expiration
2035-07-23

AI Technical Summary

Technical Problem

[0004]上述热水罐在使用过程中我们发生,虽然能够实现较好的加热,但是在保温方面仅仅通过保温层进行保温,保温效果较差,在长时间保温过程中,影响保温性能,为此我们设计了一种食品安全用热水罐用于解决上述技术问题

Benefits of technology

[0015]1、该热水罐通过三层结构设计,内壳体与中间壳体之间设置有保温层,外壳体与中间壳体之间设置有真空腔体,有效的提高了该热水罐的保温隔热效果,在热水存储过程中,降低了热量流失,提高了保温性能。

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hot water jar for food safety, including support frame, the top fixed mounting of support frame has hot water jar body, hot water jar body is by shell body, inner shell, heat preservation layer and intermediate casing is composed, the inside fixed setting of shell body has inner shell, the fixed intermediate casing between shell body and inner shell is established, the fixed heat preservation layer between the sandwich cavity of intermediate casing and inner shell, be provided with vacuum cavity between intermediate casing and shell body. The utility model discloses a hot water jar through three layer structure design, and the heat preservation layer is arranged between inner shell and intermediate casing, and the vacuum cavity is arranged between shell body and intermediate casing, effectively improve the heat preservation and heat insulation effect of this hot water jar, reduce the heat loss in the hot water storage process, improve the heat preservation performance.
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Description

Technical Field

[0001] This utility model relates to a hot water tank for food safety, belonging to the technical field of hot water tanks. Background Technology

[0002] Hot water tanks are a common type of water heating device. They can store and keep large amounts of hot water warm to meet different needs and are widely used in schools, industries, and other fields.

[0003] A search revealed a hot water tank disclosed in publication number "CN218710277U," comprising a tank body with an insulation layer on its outer wall. The tank body is characterized by having a water inlet and a steam outlet at the top, a water outlet at the bottom, and a steam pipe inside the tank body, with the upper end of the steam pipe connected to the steam outlet. This hot water tank offers high heating efficiency and high steam utilization.

[0004] During the use of the aforementioned hot water tank, we found that although it can achieve good heating, the heat preservation is poor because it only relies on the insulation layer. This affects the heat preservation performance during long-term heat preservation. Therefore, we designed a food safety hot water tank to solve the above technical problems. Utility Model Content

[0005] The purpose of this utility model is to provide a hot water tank for food safety, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a support frame is included, and a hot water tank is fixedly installed at the top of the support frame. The hot water tank is composed of an outer shell, an inner shell, an insulation layer, and an intermediate shell. The inner shell is fixedly installed inside the outer shell, and an intermediate shell is fixedly installed between the outer shell and the inner shell. An insulation layer is fixedly installed in the cavity between the intermediate shell and the inner shell, and a vacuum cavity is provided between the intermediate shell and the outer shell.

[0007] In the aforementioned hot water tank for food safety, a plurality of reinforcing plates are fixedly provided at equal intervals between the intermediate shell and the inner shell, and between the intermediate shell and the outer shell.

[0008] In the aforementioned hot water tank for food safety, the insulation layer is a polyurethane foam block.

[0009] In the aforementioned hot water tank for food safety, the inner wall of the inner shell is provided with multiple strip-shaped mounting slots at equal intervals along the circumference, and a metal heating block is fixedly installed inside each of the multiple strip-shaped mounting slots.

[0010] In the aforementioned hot water tank for food safety, a power interface is fixedly provided at the bottom of the front side of the hot water tank body, and the power interface is electrically connected to multiple metal heating blocks.

[0011] In the aforementioned food safety hot water tank, a temperature sensor is fixedly connected to the hot water tank body on one side of the power interface, and the detection end of the temperature sensor is fixedly connected to the inner wall of the hot water tank body.

[0012] In the aforementioned hot water tank for food safety, a manhole is fixedly provided on one side of the top of the hot water tank, a breather is fixedly installed on the other side of the top of the hot water tank, a water inlet pipe is fixedly provided in the middle of the top of the hot water tank, a level gauge is fixedly installed on one side of the hot water tank, the inlet end of the level gauge is connected to the inside of the hot water tank, a water outlet pipe is fixedly installed at the bottom of the hot water tank, and a control valve is fixedly installed inside the water outlet pipe.

[0013] In the aforementioned hot water tank for food safety, convex wear-resistant blocks are fixedly installed at the four corners of the bottom of the support frame.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. This hot water tank features a three-layer structure design, with an insulation layer between the inner shell and the middle shell, and a vacuum cavity between the outer shell and the middle shell. This effectively improves the heat insulation effect of the hot water tank, reduces heat loss during hot water storage, and enhances its heat preservation performance.

[0016] 2. The metal heating blocks inside the hot water tank are distributed in a circumferential ring, which increases the heating area and effectively improves the heating efficiency of the hot water tank during heating. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of a hot water tank for food safety according to this utility model;

[0018] Figure 2 This is a schematic cross-sectional view of a hot water tank for food safety according to the present invention.

[0019] Figure 3 This is a longitudinal cross-sectional structural diagram of a hot water tank for food safety according to this utility model.

[0020] In the diagram: 1. Support frame; 2. Hot water tank; 3. Temperature sensor; 4. Convex wear-resistant block; 5. Water outlet pipe; 6. Power interface; 7. Level gauge; 8. Breather; 9. Manhole; 10. Outer shell; 11. Inner shell; 12. Insulation layer; 13. Intermediate shell; 14. Reinforcing plate; 15. Vacuum chamber; 16. Strip mounting groove; 17. Metal heating block. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-3 This utility model provides a technical solution for a hot water tank for food safety:

[0023] according to Figure 1-3 As shown, the device includes a support frame 1, with a hot water tank 2 fixedly installed at the top of the support frame 1. The hot water tank 2 consists of an outer shell 10, an inner shell 11, an insulation layer 12, and an intermediate shell 13. The inner shell 11 is fixedly installed inside the outer shell 10, and the intermediate shell 13 is fixedly installed between the outer shell 10 and the inner shell 11. The insulation layer 12 is fixedly installed in the cavity between the intermediate shell 13 and the inner shell 11, and a vacuum cavity 15 is provided between the intermediate shell 13 and the outer shell 10.

[0024] Specifically, the hot water tank adopts a three-layer structure design, with an insulation layer 12 between the inner shell 11 and the middle shell 13, and a vacuum cavity 15 between the outer shell 10 and the middle shell 13, which effectively improves the heat insulation effect of the hot water tank, reduces heat loss during hot water storage, and improves heat preservation performance.

[0025] according to Figure 1 , Figure 2 and Figure 3 As shown, multiple reinforcing plates 14 are fixedly provided at equal intervals between the intermediate shell 13 and the inner shell 11 and between the intermediate shell 13 and the outer shell 10.

[0026] Specifically, the structural strength of the hot water tank 2 is increased by the addition of the reinforcing plate 14.

[0027] Insulation layer 12 is a polyurethane foam block. Specifically, the polyurethane foam block has a good insulation effect.

[0028] The inner wall of the inner shell 11 is provided with multiple strip-shaped mounting slots 16 at equal intervals along the circumference, and metal heating blocks 17 are fixedly installed inside the multiple strip-shaped mounting slots 16.

[0029] Specifically, by setting up multiple metal heating blocks 17, the heating area of ​​the water is effectively increased during heating, thereby improving the heating efficiency.

[0030] A power interface 6 is fixedly provided at the bottom of the front of the hot water tank 2, and the power interface 6 is electrically connected to multiple metal heating blocks 17.

[0031] Specifically, the power interface 6 facilitates the connection of the hot water tank 2 to an external power source.

[0032] A temperature sensor 3 is fixedly connected to the hot water tank 2 on one side of the power interface 6. The detection end of the temperature sensor 3 is fixedly connected to the inner wall of the hot water tank 2.

[0033] Specifically, the temperature inside the hot water tank 2 can be observed in real time through the installed temperature sensor 3.

[0034] A manhole 9 is fixedly installed on one side of the top of the hot water tank 2, a breather 8 is fixedly installed on the other side of the top of the hot water tank 2, a water inlet pipe is fixedly installed in the middle of the top of the hot water tank 2, a level gauge 7 is fixedly installed on one side of the hot water tank 2, the inlet end of the level gauge 7 is connected to the inside of the hot water tank 2, a water outlet pipe 5 is fixedly installed at the bottom of the hot water tank 2, and a control valve is fixedly installed inside the water outlet pipe 5.

[0035] Specifically, the installed level gauge 7 allows for direct observation of the water volume inside the hot water tank 2 during water injection.

[0036] Convex wear-resistant blocks 4 are fixedly installed at the four corners of the bottom of the support frame 1.

[0037] Specifically, the convex wear-resistant block 4 increases the friction with the ground, effectively improving the stability of the support frame 1.

[0038] Working principle: This utility model discloses a hot water tank for food safety. When in use, water is first injected into the hot water tank 2 through the water inlet pipe, and the liquid level is observed through the installed liquid level gauge 7. Then, the power cord is plugged into the power interface 6 and connected to an external power source. At this time, the metal heating blocks 17 heat the inside of the hot water tank 2. The simultaneous heating by multiple metal heating blocks 17 effectively improves the water heating efficiency. After heating is completed, the hot water tank 2 adopts a three-layer structure design. The inner shell 11 and the middle shell 13 are provided with a heat insulation layer 12, and a vacuum cavity 15 is provided between the middle shell 13 and the outer shell 10, which effectively improves the heat insulation performance of the hot water tank 2.

[0039] It should be noted that the outer shell 10, inner shell 11 and intermediate shell 13 of the hot water tank 2 are all made of food-grade 304 stainless steel. The temperature sensor 3 is model "RTDPT100". This temperature sensor 3 can be purchased directly on the market. This application only uses it for reference and will not elaborate further.

[0040] Contents not described in detail herein are existing technologies known to those skilled in the art. The specific embodiments described herein are merely illustrative examples illustrating the spirit of this invention. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this invention or exceeding the scope defined by the appended claims.

Claims

1. A hot water tank for food safety, comprising a support frame (1), wherein a hot water tank body (2) is fixedly mounted on the top of the support frame (1), characterized in that, The hot water tank (2) is composed of an outer shell (10), an inner shell (11), a heat insulation layer (12), and an intermediate shell (13). The inner shell (11) is fixedly installed inside the outer shell (10). The intermediate shell (13) is fixedly installed between the outer shell (10) and the inner shell (11). The heat insulation layer (12) is fixedly installed in the cavity between the intermediate shell (13) and the inner shell (11). A vacuum cavity (15) is provided between the intermediate shell (13) and the outer shell (10).

2. A hot water tank for food safety according to claim 1, characterized in that: Multiple reinforcing plates (14) are fixed at equal intervals between the intermediate shell (13) and the inner shell (11) and between the intermediate shell (13) and the outer shell (10).

3. A hot water tank for food safety according to claim 1, characterized in that: The insulation layer (12) is a polyurethane foam block.

4. A hot water tank for food safety according to claim 2, characterized in that: The inner wall of the inner shell (11) is provided with a plurality of strip-shaped mounting grooves (16) at equal intervals along the circumference, and a metal heating block (17) is fixedly installed inside each of the plurality of strip-shaped mounting grooves (16).

5. A hot water tank for food safety according to claim 1, characterized in that: A power interface (6) is fixedly provided on the bottom of the front of the hot water tank (2), and the power interface (6) is electrically connected to multiple metal heating blocks (17).

6. A hot water tank for food safety according to claim 5, characterized in that: A temperature sensor (3) is fixedly connected to the hot water tank (2) on one side of the power interface (6), and the detection end of the temperature sensor (3) is fixedly connected to the inner wall of the hot water tank (2).

7. A hot water tank for food safety according to claim 5, characterized in that: A manhole (9) is fixedly installed on one side of the top of the hot water tank (2), and a breather (8) is fixedly installed on the other side of the top of the hot water tank (2). A water inlet pipe is fixedly installed in the middle of the top of the hot water tank (2). A level gauge (7) is fixedly installed on one side of the hot water tank (2). The inlet end of the level gauge (7) is connected to the inside of the hot water tank (2). A water outlet pipe (5) is fixedly installed at the bottom of the hot water tank (2). A control valve is fixedly installed inside the water outlet pipe (5).

8. A hot water tank for food safety according to claim 1, characterized in that: The support frame (1) has convex wear-resistant blocks (4) fixedly installed at the four corners of its bottom end.