Water collecting device of electric heating boiler

By adopting the inner and outer cylinder structures in the electric heating boiler and setting up the insulation chamber, the problem of thermal energy loss in the water collection device is solved, the recovery and reuse of heat energy is realized, and the energy efficiency of the electric heating boiler is improved.

CN223271241UActive Publication Date: 2025-08-26SHANDONG XINSHENGTAI WATER TREATMENT EQUIP CO LTD
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Patent Information

Application Number
CN202422701435.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-06
Publication Date
2025-08-26
Estimated Expiration
2034-11-06

AI Technical Summary

Technical Problem

In the water collection device of existing electric heating boilers, hot water returned from the water collection pipe is directly injected into the water collection area, resulting in heat energy loss, and the contact between the outer wall of the water distribution area and the atmosphere also causes heat energy loss.

Method used

The inner cylinder and outer cylinder structure are adopted, the inner cylinder is a water separation area and the outer cylinder is a water collection area. A thermal insulation cavity is set up between the inner cylinder and the outer cylinder. The warm water from the water branch pipe returns to the insulation cavity to isolate the water separation area and the atmosphere, reduce heat energy loss, and realize heat recovery through the design of the inner cylinder and the outer cylinder.

Benefits of technology

It effectively prevents the heat energy loss in the water separation area, realizes the reuse of heat energy, and improves the energy efficiency of the electric heating boiler.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223271241U_ABST
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Abstract

The utility model relates to a water collecting device of an electric heating boiler, which belongs to the technical field of boiler equipment and comprises an inner cylinder and an outer cylinder, an opening is arranged at the left end of the inner cylinder, a partition plate for sealing the opening is arranged at the opening, the partition plate is mounted on the outer cylinder, a plurality of first water through holes are uniformly arranged on the partition plate, and a water collecting main pipe is fixed on the outer cylinder on the left side of the partition plate. A heat preservation cavity is formed between the inner cylinder and the outer cylinder, a water collection branch pipe communicated with the heat preservation cavity is fixed to the upper portion of the right end of the outer cylinder, a water distribution main pipe communicated with the inner cylinder is arranged beside the water collection branch pipe, and a water distribution branch pipe communicated with the inner cylinder is arranged beside the right side of the partition plate. The inner cylinder and the outer cylinder are arranged, the heat preservation cavity is formed between the inner cylinder and the outer cylinder, the inner cylinder is a water distribution area, and the outer cylinder on the left side of the partition plate is a water collection area, so that warm water recovered by the water collection branch pipe can be introduced into the heat preservation cavity to separate the water distribution area from the atmosphere on the basis of ensuring water collection and water distribution functions, and heat loss in the water distribution area is better prevented; and moreover, backflow warm water is recycled, so that more energy is saved.
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Description

Technical Field

[0001] The utility model relates to a water collecting device for an electric heating boiler, belonging to the technical field of boiler equipment. Background Art

[0002] An electric heating boiler is a boiler device that uses electricity as energy and converts it into thermal energy, and outputs steam, high-temperature water or organic heat carrier with a certain amount of thermal energy. A water collection device is provided in the electric heating boiler to distribute the steam, high-temperature water or organic heat carrier generated during boiler operation to various pipelines. The water collection device includes a tank body, and a partition is provided in the tank body to divide it into a water distribution area and a water collection area. The water distribution area is connected to the water distribution main pipe and the water distribution branch pipe, and the water collection area is connected to the water collection main pipe and the water collection branch pipe. However, in the current water collection device, the hot water returning from the water collection branch will have a certain temperature. Directly injecting it into the water collection area and discharging it from the water collection main pipe will cause a certain amount of heat energy loss, and the outer wall of the water distribution area is in direct contact with the atmosphere, which will cause a large amount of heat energy loss. Utility Model Content

[0003] The utility model provides an electric heating boiler water collection device, which solves the problem of the current water collection device that the hot water returning from the water collection branch has a certain temperature, and directly injecting it into the water collection area and discharging it from the water collection main pipe will cause a certain amount of heat energy loss, and the outer wall of the water distribution area is in direct contact with the atmosphere, which will cause a large amount of heat energy loss.

[0004] The utility model relates to a water collecting device for an electric heating boiler, comprising an inner cylinder and an outer cylinder, wherein the left end of the inner cylinder is provided with an opening, a partition plate for closing the opening is provided at the opening, the partition plate is mounted on the outer cylinder, a plurality of water holes are evenly provided on the partition plate, a water collecting main pipe is fixed on the outer cylinder on the left side of the partition plate, a heat preservation cavity is provided between the inner cylinder and the outer cylinder, a water collecting branch pipe connected to the heat preservation cavity is fixed to the upper right end of the outer cylinder, a water distribution main pipe connected to the inner cylinder is provided next to the water collecting branch pipe, and a water distribution branch pipe connected to the inner cylinder is provided next to the right side of the partition plate.

[0005] As a preferred embodiment, a drain pipe 1 is fixed on the outer tube at the bottom left of the partition plate, a drain pipe 2 connected to the bottom of the inner tube is fixed on the right end of the outer tube, and support rods are fixed on the outside of both ends of the inner tube, and the outer ends of the support rods are fixed on the inner wall of the inner tube to facilitate the discharge of water in the inner and outer tubes.

[0006] As a preferred embodiment, the outer cylinder is divided into a water collecting outer cylinder and a heat-insulating outer cylinder. A connecting flange is provided at the connection between the water collecting outer cylinder and the heat-insulating outer cylinder. A supporting flange is provided on the outer side of the left end of the inner cylinder. The supporting flange is provided with a water hole 2 connected to the water hole 1. The connecting flange of the water collecting outer cylinder is provided with an annular groove 1 that cooperates with the partition plate. The connecting flange of the heat-insulating outer cylinder is provided with an annular groove 2 that cooperates with the supporting flange. The outer cylinder can be easily disassembled to clean the water collecting outer cylinder and the inner cylinder.

[0007] As a preferred embodiment, a sealing ring 1 is provided at the connecting flange of the water collecting outer cylinder and the insulation outer cylinder, a sealing boss extending into the opening of the inner cylinder is provided in the middle of the right side of the partition plate, and a sealing ring 2 is provided on the outer side wall of the sealing boss to achieve better sealing effect.

[0008] As a preferred embodiment, a positioning hole 1 is provided on the annular groove 2, a positioning cylinder 1 that cooperates with the positioning hole 1 is fixed on the right side of the support flange, a positioning hole 2 is provided on the left side of the support flange, and a positioning cylinder 2 that cooperates with the positioning hole 2 is fixed on the right side of the partition plate. The positioning hole 2 cooperates with the positioning cylinder 2 to quickly connect with the water hole 1 and the water hole 2. The positioning hole 1 cooperates with the positioning cylinder 1 to quickly connect with the corresponding pipeline installation holes on the insulation outer cylinder and the inner cylinder when the inner cylinder is welded and fixed.

[0009] As a preferred embodiment, arc-shaped plugging plates that close their ports are welded and fixed to both ends of the outer tube and the right end of the inner tube, and arc-shaped protective plates are fixed to the bottom of the welding places of the two ends of the outer tube and the matching plugging plates. Vertical plates are welded and fixed to the front and back sides of the bottom of the protective plates, and a bottom plate is fixed to the bottom of the vertical plates. The provision of the protective plates can make the welding place between the outer tube and the plugging plate more firm.

[0010] As a preferred embodiment, reinforcing plates are welded and fixed to the inner sides of the bottom ends of the vertical plates on the front and rear sides, and a positioning groove is provided in the middle of the bottom of the protective plate for the top end of the reinforcing plate to extend into. The structure is more stable and the top of the reinforcing plate can be quickly positioned when welding.

[0011] The utility model has the following beneficial effects:

[0012] By setting up an inner tube and an outer tube, an insulation cavity is formed between the inner tube and the outer tube, the inner tube is the water diversion area, and the outer tube on the left side of the partition plate is the water collection area. On the basis of ensuring the water collection and diversion functions, the warm water recovered by the water collection branch pipe can be passed into the insulation cavity to separate the water diversion area from the atmosphere, better prevent the loss of heat energy in the water diversion area, and recycle and reuse the return warm water, which is more energy-saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural diagram of the utility model;

[0014] Figure 2 Schematic diagram of the side structure of the protective plate;

[0015] Figure 3 for Figure 1 Schematic diagram of the enlarged structure at A in the middle;

[0016] In the figure: 1. Inner tube; 2. Outer tube; 3. Drain pipe 2; 4. Connecting flange; 5. Drain pipe 1; 6. Water collecting main pipe; 7. Partition plate; 8. Water distribution branch pipe; 9. Water distribution main pipe; 10. Support rod; 11. Water collecting branch pipe; 12. Plug plate; 13. Bottom plate; 14. Vertical plate; 15. Reinforcement plate; 16. Positioning groove; 17. Positioning cylinder 1; 18. Positioning cylinder 2; 19. Water hole 1; 20. Protective plate. DETAILED DESCRIPTION

[0017] The present invention will be further described below with reference to the embodiments.

[0018] Example 1, as Figures 1 to 3 As shown, the utility model is a water collecting device for an electric heating boiler, comprising an inner cylinder 1 and an outer cylinder 2. The left end of the inner cylinder 1 is provided with an opening, and a partition plate 7 is provided at the opening to close it. The partition plate 7 is installed on the outer cylinder 2, and a plurality of water holes 19 are evenly provided on the partition plate 7. A water collecting main pipe 6 is fixed to the outer cylinder 2 on the left side of the partition plate 7. An insulation cavity is provided between the inner cylinder 1 and the outer cylinder 2. A water collecting branch pipe 11 connected to the insulation cavity is fixed to the upper right end of the outer cylinder 2. A water distribution main pipe 9 connected to the inner cylinder 1 is provided next to the water collecting branch pipe 11, and a water distribution branch pipe 8 connected to the inner cylinder 1 is provided next to the right side of the partition plate 7.

[0019] When in use, the water diversion main pipe 9 is connected to the water supply main line of the electric heating boiler, the water diversion branch pipe 8 is connected to the water supply branch pipe, the water collecting branch pipe 11 is connected to the return water main line, and the water collecting branch pipe 11 is connected to the return water branch pipe. The hot water output from the water supply main line of the electric heating boiler enters the inner tube 1 from the water diversion branch pipe 9, and then flows from the water diversion branch pipe 8 to enter the water supply branch pipe for use. The warm water recovered after use enters the water collecting branch pipe 11 from the return water branch pipe, and then enters the insulation cavity, separating the inner tube 1 from the atmosphere, better insulating and heat energy recovery, and then the warm water enters the water collecting area at the left end of the outer tube 2 through the water hole 19, and then flows back from the water collecting main pipe 6 to the return water main line of the electric heating boiler for recycling.

[0020] Example 2. Based on Example 1, a drain pipe 5 is fixed to the outer tube 2 at the bottom left of the partition plate 7, and a drain pipe 2 3 connected to the bottom of the inner tube 1 is fixed to the right end of the outer tube 2. Support rods 10 are fixed to the outside of both ends of the inner tube 1, and the outer ends of the support rods 10 are fixed to the inner wall of the inner tube 1. When not in use for a long time, the valves connected to the drain pipe 5 and the drain pipe 2 3 can be opened to discharge residual water.

[0021] The outer tube 2 is divided into a water collection outer tube and a heat-insulating outer tube. A connecting flange 4 connects the two tubes. A support flange is provided on the left outer side of the inner tube 1. This support flange has a second water hole connected to the first water hole 19. The connecting flange 4 of the water collection outer tube has an annular groove 1 that mates with the partition plate 7, while the connecting flange 4 of the heat-insulating outer tube has an annular groove 2 that mates with the support flange. If scale accumulates on the walls of the inner and outer tubes 1 and 2 over extended use, causing pipe blockage, the bolts on the connecting flange 4 can be loosened, the water collection outer tube and the heat-insulating outer tube can be disassembled, and the partition plate 7 can be removed to clean the water collection outer tube and inner tube 1.

[0022] A sealing ring 1 is provided at the connecting flange 4 between the water collecting outer cylinder and the heat-insulating outer cylinder. A sealing boss extending into the opening of the inner cylinder 1 is provided in the middle of the right side of the partition plate 7, and a sealing ring 2 is provided on the outer side wall of the sealing boss.

[0023] An annular groove 2 is provided with a first positioning hole. A first positioning cylinder 17 is fixed to the right side of the support flange, which cooperates with the first positioning hole. A second positioning hole is provided on the left side of the support flange, and a second positioning cylinder 18 is fixed to the right side of the partition plate 7, which cooperates with the second positioning hole. When installing the partition plate 7, the second positioning cylinder 18 can be inserted into the second positioning hole and quickly aligned with the second water hole 19.

[0024] Arc-shaped plugging plates 12 are welded and fixed to both ends of the outer tube 2 and the right end of the inner tube 1 to close their ports. Arc-shaped protective plates 20 are fixed to the bottom of the welding places where the two ends of the outer tube 2 and the plugging plates 12 cooperate with each other. Vertical plates 14 are welded and fixed to the front and back sides of the bottom of the protective plates 20, and a bottom plate 13 is fixed to the bottom of the vertical plates 14.

[0025] Reinforcement plates 15 are welded to the inner sides of the bottom ends of the front and rear vertical plates 14. A positioning slot 16 is provided in the middle of the bottom of the protective plate 20 for the top ends of the reinforcement plates 15 to extend into. When welding the reinforcement plates 15, the top ends of the front and rear reinforcement plates 15 can be placed into the positioning slot 16, and the inner sides of the top ends of the front and rear reinforcement plates 15 can touch each other. In this way, the top ends of the reinforcement plates 15 can be welded and fixed to the protective plate 20.

[0026] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

[0027] In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "upper", "lower", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

Claims

1. An electric heating boiler water collecting device, comprising an inner cylinder (1) and an outer cylinder (2), characterized in that: The left end of the inner tube (1) is provided with an opening, and a partition plate (7) is provided at the opening to close the opening. The partition plate (7) is mounted on the outer tube (2), and a plurality of water holes (19) are evenly provided on the partition plate (7). A water collecting main pipe (6) is fixed on the outer tube (2) on the left side of the partition plate (7). A heat preservation chamber is provided between the inner tube (1) and the outer tube (2). A water collecting branch pipe (11) connected to the heat preservation chamber is fixed to the upper part of the right end of the outer tube (2). A water distribution main pipe (9) connected to the inner tube (1) is provided next to the water collecting branch pipe (11). A water distribution branch pipe (8) connected to the inner tube (1) is provided next to the right side of the partition plate (7).

2. The water collecting device for an electric heating boiler according to claim 1, characterized in that: A drainage pipe 1 (5) is fixed to the outer cylinder (2) at the bottom of the left side of the partition plate (7), a drainage pipe 2 (3) connected to the bottom of the inner cylinder (1) is fixed to the right end of the outer cylinder (2), and support rods (10) are fixed to the outer sides of both ends of the inner cylinder (1), and the outer ends of the support rods (10) are fixed to the inner wall of the inner cylinder (1).

3. The water collecting device for an electric heating boiler according to claim 1 or 2, characterized in that: The outer cylinder (2) is divided into a water collecting outer cylinder and a heat-insulating outer cylinder. A connecting flange (4) is provided at the connection between the water collecting outer cylinder and the heat-insulating outer cylinder. A supporting flange is provided on the outer side of the left end of the inner cylinder (1). A water hole 2 communicating with the water hole 1 (19) is provided on the supporting flange. An annular groove 1 cooperating with the partition plate (7) is provided on the connecting flange (4) of the water collecting outer cylinder. An annular groove 2 cooperating with the supporting flange is provided on the connecting flange (4) of the heat-insulating outer cylinder.

4. The water collecting device for an electric heating boiler according to claim 3, characterized in that: A sealing ring 1 is provided at the connection flange (4) of the water collecting outer cylinder and the heat-insulating outer cylinder, a sealing boss extending into the opening of the inner cylinder (1) is provided at the middle portion of the right side of the partition plate (7), and a sealing ring 2 is provided on the outer side wall of the sealing boss.

5. The water collecting device for an electric heating boiler according to claim 3, characterized in that: A positioning hole 1 is provided on the annular groove 2, a positioning cylinder 1 (17) matching the positioning hole 1 is fixed on the right side of the support flange, a positioning hole 2 is provided on the left side of the support flange, and a positioning cylinder 2 (18) matching the positioning hole 2 is fixed on the right side of the partition plate (7).

6. The water collecting device for an electric heating boiler according to claim 1, characterized in that: Arc-shaped plugging plates (12) for closing the ports are welded and fixed to both ends of the outer cylinder (2) and the right end of the inner cylinder (1). Arc-shaped protective plates (20) are fixed to the bottom of the welds between the two ends of the outer cylinder (2) and the plugging plates (12). Vertical plates (14) are welded and fixed to the front and rear sides of the bottom of the protective plates (20). The bottom of the vertical plates (14) is fixed to the bottom of the bottom plate (13).

7. The water collecting device for an electric heating boiler according to claim 6, characterized in that: Reinforcement plates (15) are welded and fixed to the inner sides of the bottom ends of the vertical plates (14) on the front and rear sides, and a positioning groove (16) for the top end of the reinforcement plate (15) to extend into is provided in the middle of the bottom of the protective plate (20).