CN-224215566-U - Flange-free enamel liner

Abstract

The utility model provides a flange-free enamel liner, and mainly relates to the field of water heater liners. The flange-free enamel liner comprises a cylinder body, wherein a circulating water inlet, a circulating water outlet and a sewage outlet are formed in the side face of the cylinder body, and an exhaust pipe is arranged in the center of one end of the cylinder body. The utility model has the beneficial effects that the material cost and the process cost can be reduced, the water leakage probability in the use of the liner can be reduced, and the product competitiveness can be improved.

Inventors

• SUN LEI
• ZHANG YAN

Assignees

• 山东宝能达新能源科技有限公司

Dates

Publication Date

20260508

Application Date

20250421

Claims (4)

1. 1. The flangeless enamel liner comprises a cylinder body (1) and is characterized in that a circulating water inlet (2), a circulating water outlet (3) and a sewage outlet (4) are formed in the side face of the cylinder body (1), and an exhaust pipe (5) is arranged at the center of one end of the cylinder body (1) in a flangeless mode.
2. 2. The flange-free enamel liner of claim 1, wherein the cylinder (1) comprises a cylinder body (11), an upper sealing head (12) and a lower sealing head (13), the upper sealing head (12) and the lower sealing head (13) are respectively arranged at two ends of the cylinder body (11), and the exhaust pipe (5) is arranged at the center of the upper sealing head (12).
3. 3. The flangeless enamel liner of claim 2, wherein the top of the lower end enclosure (13) is provided with a lifting lug (6).
4. 4. The flange-free enamel liner of claim 1, wherein the circulating water outlet (3) and the circulating water inlet (2) are arranged on opposite sides, and the sewage outlet (4) is arranged on the same side of the circulating water outlet (3).

Description

Flange-free enamel liner Technical Field The utility model mainly relates to the field of water heater inner containers, in particular to a flange-free enamel inner container. Background An enamel liner for water heater is a liner structure in which one or more layers of enamel (also called enamel) are coated on the surface of a metal substrate (usually a steel plate). The enamel liner has corrosion resistance, high temperature resistance and good insulativity, and can effectively improve the service life and the use safety of the water heater. In the prior enamel technology, after the enamel liquid is poured into the inner container, the inner container is circularly rotated to enable the enamel liquid in the inner container to be fully and uniformly adhered on the inner wall of the inner container, so that the quality of enamel is improved, and then the inner container is sintered, so that the enamel technology is completed. In order to better fill enamel liquid, a larger filling hole is usually reserved on the inner container of the water heater, and the hole can be used as an exhaust hole later. However, the aperture is oversized as an exhaust hole, so that it is common in the industry to mount a connecting flange at the hole, and to connect an exhaust pipe of smaller diameter via the flange for subsequent mounting, thereby achieving its function. It is because the previous enamel technology is comparatively behind, so needs to reserve great aperture and provide structural basis for enamel technology. However, with the progress of enamel technology, the coating of enamel liquid can be carried out by uniform spraying, so that based on the coating, the flange-free enamel liner is designed. Disclosure of utility model In order to solve the defects in the prior art, the utility model provides a flange-free enamel liner, which can reduce material cost and process cost, reduce water leakage probability in use of the liner and improve product competitiveness. The utility model aims to achieve the aim, and the aim is achieved by the following technical scheme: The flange-free enamel liner comprises a cylinder body, wherein a circulating water inlet, a circulating water outlet and a sewage outlet are formed in the side face of the cylinder body, and an exhaust pipe is arranged in the center of one end of the cylinder body. The cylinder comprises a cylinder body, an upper sealing head and a lower sealing head, wherein the upper sealing head and the lower sealing head are respectively arranged at two ends of the cylinder body, and the exhaust pipe is arranged at the center of the upper sealing head. And the top of the lower seal head is provided with a lifting lug. The circulating water outlet and the circulating water inlet are arranged on the opposite sides, and the sewage outlet is arranged on the same side of the circulating water outlet. Compared with the prior art, the utility model has the beneficial effects that: The utility model adopts the smaller vent holes to replace the original flange structure, and based on the improvement of enamel technology, the original water heater enamel inner container structure is innovated, the innovated enamel inner container is no longer required to be connected with a vent pipe by a flange, the vent pipe is directly connected with a seal head, the vent pipe is directly welded on the inner container, the sealing effect is better after connection, the probability of water leakage and air leakage in the subsequent use process is reduced, the part cost and the process cost are reduced, the product quality is improved, and the product competitiveness is improved. Drawings FIG. 1 is a schematic diagram of the structure of the front view angle of the present utility model; FIG. 2 is a schematic diagram of the left view angle structure of the present utility model; FIG. 3 is a schematic diagram of the structure of the present utility model; fig. 4 is a schematic diagram of the original liner flange structure. The reference numbers shown in the drawings are 1, a cylinder, 2, a circulating water inlet, 3, a circulating water outlet, 4, a sewage outlet, 5, an exhaust pipe, 6, a lifting lug, 11, a cylinder body, 12, an upper sealing head, 13 and a lower sealing head. Detailed Description The utility model will be further described with reference to the accompanying drawings and specific embodiments. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it will be understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the utility model, and equivalents thereof fall within the scope of the utility model as defined by the claims. As shown in fig. 1-4, the flangeless enamel liner comprises a cylinder 1, wherein the cylinder 1 is formed by welding, the cylinder 1 comprises a cylinder body 11, an upper seal head