Preheating recovery structure of water heat storage electric boiler

Abstract

The utility model relates to the technical field of preheating recovery, and discloses a preheating recovery structure of a water heat storage electric boiler, which comprises an electric boiler, heating wires are fixedly connected on the left side and the right side of the inner wall of the electric boiler close to the bottom, a circulating mechanism is arranged on the right side of the electric boiler, and a filtering mechanism is arranged in the circulating mechanism. Through the circulation mechanism, water flow is injected into the electric boiler through the water inlet pipe, the heating wire is started, water in the electric boiler is heated, the index of a thermometer is observed, then the water pump works through the working panel, the water pump pumps the heated water into the heat exchanger, and the heat exchanger supplies hot water for heating. Then water flow passing through the heat exchanger flows into the box body through a second connecting water pipe, the water flow is filtered by two filter plates in the box body, so that the water flow does not carry residues in the heat exchanger, the filtered water flow is injected into the electric boiler through a third connecting water pipe, and the water heating speed of the electric boiler is increased through waste heat of the water flow; the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of preheating recovery, in particular to a preheating recovery structure of a water thermal storage electric boiler. Background Art

[0002] A boiler is a thermal device that uses the heat energy released after fuel combustion to transfer to the water in the container, so that the water reaches the required temperature (hot water) or a certain pressure of steam. As the name suggests, an electric boiler uses electricity as energy and converts it into thermal energy, which is then converted by the boiler to output steam, high-temperature water or organic heat carrier with a certain amount of thermal energy. The electric boiler body is mainly composed of an electric boiler steel shell, a computer control system, a low-voltage electrical system, an electric heating pipe, an inlet and outlet water pipe, and a detection instrument.

[0003] According to patent CN 215002273 U, a preheating recovery structure of a water thermal storage electric boiler includes a thermal storage electric boiler and a return box. A conduit is sleeved with a flange on one side of the surface of the thermal storage electric boiler, and a plurality of fixing seats are sleeved on the conduit. A heat exchanger is fixedly installed on one end of the conduit, and a return box is fixedly connected to one side of the heat exchanger through the conduit. A locking connector is fixedly installed on one side of the top of the return box, and a guide pipe is sleeved on the locking connector. A water inlet valve is fixedly installed on the other side of the surface of the return box.

[0004] This patent has a return pipe connected to the inside of the return box through a flange, the return pipe is fixedly connected to the conduit, a water pump is fixedly installed on one side of the bottom of the return box, a water pipe is sleeved on the output end of the water pump, and one end of the water pipe is fixedly connected to the guide pipe. The water pump is used in conjunction with the guide pipe to transport the hot water heated in the return box to the heat storage electric boiler, thereby improving resource utilization. However, after long-term use, the heat exchanger will have rust, scale and other impurities, and these impurities will flow into the electric boiler with the water flow in the conduit, thereby affecting the service life of the electric boiler. Utility Model Content

[0005] The utility model aims to provide a preheating recovery structure of a water thermal storage electric boiler to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a preheating recovery structure of a water-storage thermal electric boiler, comprising an electric boiler, a thermometer is fixedly connected to the right side of the front of the electric boiler, a control panel is fixedly connected to the left side of the front of the electric boiler, heating wires are fixedly connected to the left and right sides of the inner wall of the electric boiler near the bottom, a circulation mechanism is arranged on the right side of the electric boiler, and a filtering mechanism is arranged in the circulation mechanism;

[0007] The filtering mechanism comprises a rotating assembly and a fixed assembly, wherein the rotating assembly is arranged in the circulation mechanism, and the fixed assembly is arranged in the rotating assembly.

[0008] Preferably, the circulation mechanism includes a water inlet pipe, which is fixedly connected to the left side of the electric boiler near the top, a water outlet pipe is fixedly connected to the right side of the electric boiler near the bottom, a water pump is fixedly connected to the right end of the water outlet pipe, a first connecting water pipe is fixedly connected to the right side of the water pump, a heat exchanger is fixedly connected to the right end of the first connecting water pipe, a second connecting water pipe is fixedly connected to the right side of the heat exchanger near the bottom, and a second connecting water pipe is fixedly connected to the right side of the electric boiler near the front.

[0009] Preferably, the other end of the second connecting water pipe is fixedly connected to the right side of the filtering mechanism, and the third connecting water pipe is fixedly connected to the left side of the filtering mechanism.

[0010] Preferably, the rotating assembly includes a box body, which is fixedly connected to the other end of the second connecting water pipe, the top of the box body is symmetrically provided with a first slide groove, and a filter plate is slidably connected in the first slide groove, the right side of the top of the box body is rotatably connected to a rotating rod, the top of the rotating rod is fixedly connected to a connecting plate, the left side of the top of the box body is fixedly connected to a connecting block, the connecting block corresponds to the left end of the connecting plate with a fixed groove, the top of the fixed groove is provided with a second slide groove, the top of the second slide groove is provided with a third slide groove, the top of the third slide groove is fixedly connected with a first spring, the third slide groove is slidably connected with a slide plate, the second slide groove is slidably connected with an arc-shaped fixed block, and the left end of the top of the connecting plate is fixedly connected to the arc groove.

[0011] Preferably, the bottom end of the first spring is fixedly connected to the top of the slide, the top of the arc-shaped fixing block is fixedly connected to the bottom of the slide, the arc-shaped fixing block corresponds to the arc-shaped groove, the left side of the box body is fixedly connected to the other end of the third connecting water pipe, and the slide limits the arc-shaped fixing block so that the arc-shaped fixing block will not leave the second slide groove.

[0012] Preferably, the fixing assembly includes a connecting rod, which is symmetrically connected to the top of the connecting plate for up and down sliding. The top of the connecting rod is fixedly connected to a handle, the bottom of the connecting rod is fixedly connected to a pressure block, and a second spring is sleeved on the surface of the connecting rod between the connecting plate and the pressure block.

[0013] Preferably, the bottom end of the connecting rod extends to below the connecting plate, the top end of the second spring is fixedly connected to the bottom of the connecting plate, and the bottom end of the second spring is fixedly connected to the top of the pressing block.

[0014] Compared with the prior art, the utility model provides a preheating recovery structure of a water-storage thermal electric boiler, which has the following beneficial effects:

[0015] The preheating recovery structure of the water-storage thermal electric boiler is that water flows into the electric boiler through the water inlet pipe through the circulation mechanism, the heating wire is started, the water in the electric boiler is heated, the heating wire is stopped by observing the index of the thermometer, and then the water pump is operated through the working panel, the water pump will pump the heated water into the heat exchanger, and the heat exchanger will provide hot water for heating, and then the water flowing through the heat exchanger will flow into the box through the second connecting water pipe, and the two filter plates in the box will filter the water flow so that the water flow will not carry the residue in the heat exchanger, and the filtered water flow will be injected into the electric boiler through the third connecting water pipe, and the waste heat of the water flow will be used to increase the heating speed of the water by the electric boiler and improve the working efficiency.

[0016] The preheating recovery structure of the water-storage thermal power boiler uses a filtering mechanism, and when the used water flows into the box, the two filter plates in the box will filter the water. When replacing the filter plate, the handle is pulled upward by hand so that the pressure block will not fix the filter plate, and then the connecting plate is mechanically rotated forward with the rotating rod as the center, so that the left end of the connecting plate moves out of the fixed groove, thereby making the pressure block move away from the top of the filter plate, and then the two filter plates are pulled out of the first slide groove to replace the filter plate. After the filter plate is replaced, the connecting plate is rotated in the opposite direction so that the left end of the connecting plate moves into the fixed groove, and the arc-shaped fixing block moves into the arc-shaped groove at the top of the connecting plate through the elastic force of the first spring to fix the connecting plate, and then the pressure block fixes the filter plate through the elastic force of the second spring, so that the filter plate will not move arbitrarily in the first slide groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0018] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structural circulation mechanism of the utility model;

[0020] Figure 3 This is a front planing schematic diagram of the structural box of the utility model;

[0021] Figure 4 This is a schematic diagram of the rotating assembly of the utility model structure;

[0022] Figure 5 This is a front planing schematic diagram of the structural connection block of the utility model;

[0023] Figure 6It is a schematic diagram of the structural fixing components of the utility model.

[0024] In the figure: 1. electric boiler; 2. thermometer; 3. control panel; 4. heating wire; 5. circulation mechanism; 51. water inlet pipe; 52. water outlet pipe; 53. water pump; 54. first connecting water pipe; 55. heat exchanger; 56. second connecting water pipe; 57. third connecting water pipe; 6. filtering mechanism; 61. rotating assembly; 611. box; 612. first slide groove; 613. filter plate; 614. rotating rod; 615. connecting plate; 616. connecting block; 617. fixing groove; 618. second slide groove; 619. third slide groove; 6111. first spring; 6112. slide plate; 6113. arc-shaped fixing block; 6114. arc groove; 62. fixing assembly; 621. connecting rod; 622. handle; 623. pressing block; 624. second spring. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The utility model provides the following technical solutions: Embodiment 1

[0028] See also Figure 1-2 A preheating recovery structure of a water-storage thermal electric boiler includes an electric boiler 1, a thermometer 2 is fixedly connected to the right side of the front of the electric boiler 1, a control panel 3 is fixedly connected to the left side of the front of the electric boiler 1, heating wires 4 are fixedly connected to the left and right sides of the inner wall of the electric boiler 1 near the bottom, a circulation mechanism 5 is arranged on the right side of the electric boiler 1, and a filtering mechanism 6 is arranged in the circulation mechanism 5.

[0029] The circulation mechanism 5 includes a water inlet pipe 51, which is fixedly connected to the left side of the electric boiler 1 near the top, a water outlet pipe 52 is fixedly connected to the right side of the electric boiler 1 near the bottom, a water pump 53 is fixedly connected to the right end of the water outlet pipe 52, a first connecting water pipe 54 is fixedly connected to the right side of the water pump 53, a heat exchanger 55 is fixedly connected to the right end of the first connecting water pipe 54, a second connecting water pipe 56 is fixedly connected to the right side of the heat exchanger 55 near the bottom, and a third connecting water pipe 57 is fixedly connected to the right side of the electric boiler 1 near the front.

[0030] The other end of the second connecting water pipe 56 is fixedly connected to the right side of the filtering mechanism 6 , and the third connecting water pipe 57 is fixedly connected to the left side of the filtering mechanism 6 . Embodiment 2

[0031] See also Figure 3-6 On the basis of the first embodiment, the filtering mechanism 6 further comprises a rotating component 61 and a fixed component 62 , the rotating component 61 is arranged in the circulation mechanism 5 , and the fixed component 62 is arranged in the rotating component 61 .

[0032] The rotating assembly 61 includes a box body 611, which is fixedly connected to the other end of the second connecting water pipe 56. The top of the box body 611 is symmetrically provided with a first slide groove 612, and a filter plate 613 is slidably connected in the first slide groove 612. A rotating rod 614 is rotatably connected to the right side of the top of the box body 611, and a connecting plate 615 is fixedly connected to the top of the rotating rod 614. A connecting block 616 is fixedly connected to the left side of the top of the box body 611. A fixed groove 617 is opened at the left end of the connecting plate 615 corresponding to the connecting block 616. A second slide groove 618 is opened at the top of the fixed groove 617. A third slide groove 619 is opened at the top of the second slide groove 618. A first spring 6111 is fixedly connected to the top of the third slide groove 619. A slide plate 6112 is slidably connected in the third slide groove 619. An arc-shaped fixed block 6113 is slidably connected in the second slide groove 618. An arc-shaped groove 6114 is fixedly connected to the left end of the top of the connecting plate 615.

[0033] The bottom end of the first spring 6111 is fixedly connected to the top of the slide plate 6112, the top of the arc-shaped fixed block 6113 is fixedly connected to the bottom of the slide plate 6112, the arc-shaped fixed block 6113 corresponds to the arc-shaped groove 6114, the left side of the box body 611 is fixedly connected to the other end of the third connecting water pipe 57, and the slide plate 6112 limits the arc-shaped fixed block 6113 so that the arc-shaped fixed block 6113 will not leave the second slide groove 618.

[0034] The fixing assembly 62 includes a connecting rod 621, which is symmetrically connected to the top of the connecting plate 615 for sliding up and down. A handle 622 is fixedly connected to the top of the connecting rod 621, and a pressure block 623 is fixedly connected to the bottom of the connecting rod 621. A second spring 624 is sleeved on the surface of the connecting rod 621 between the connecting plate 615 and the pressure block 623.

[0035] The bottom end of the connecting rod 621 extends to below the connecting plate 615 , the top end of the second spring 624 is fixedly connected to the bottom of the connecting plate 615 , and the bottom end of the second spring 624 is fixedly connected to the top of the pressing block 623 .

[0036] In actual operation, when the device is used, water is injected into the electric boiler 1 through the water inlet pipe 51, the heating wire 4 is started, and the water in the electric boiler 1 is heated. The heating wire 4 is stopped by observing the index of the thermometer 2, and then the water pump 53 is operated through the working panel. The water pump 53 pumps the heated water into the heat exchanger 55, and the heat exchanger 55 provides hot water for heating. Then, the water flowing through the heat exchanger 55 flows into the box 611 through the second connecting water pipe 56, and the two filter plates 613 in the box 611 filter the water flow so that the water flow does not carry the residue in the heat exchanger 55. The filtered water flow is injected into the electric boiler 1 through the third connecting water pipe 57, and the waste heat of the water flow is used to increase the heating speed of the water by the electric boiler 1, thereby improving the working efficiency.

[0037] When the used water flows into the box body 611, the two filter plates 613 in the box body 611 will filter the water. When replacing the filter plate 613, the handle 622 is pulled upward by hand so that the pressing block 623 will not fix the filter plate 613. Then, the connecting plate 615 is mechanically rotated forward with the rotating rod 614 as the center so that the left end of the connecting plate 615 moves out of the fixing groove 617, thereby making the pressing block 623 move away from the top of the filter plate 613. Then, the two filter plates 613 are pulled out of the first slide groove 612. After the filter plate 613 is replaced, the connecting plate 615 is rotated in the opposite direction so that the left end of the connecting plate 615 enters the fixing groove 617, and the arc-shaped fixing block 6113 enters the arc-shaped groove 6114 at the top of the connecting plate 615 through the elastic force of the first spring 6111 to fix the connecting plate 615. Then, the pressing block 623 fixes the filter plate 613 through the elastic force of the second spring 624, so that the filter plate 613 will not move arbitrarily in the first sliding groove 612.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A preheating recovery structure for a water thermal storage electric boiler, comprising an electric boiler (1), characterized in that: A thermometer (2) is fixedly connected to the right side of the front of the electric boiler (1), a control panel (3) is fixedly connected to the left side of the front of the electric boiler (1), heating wires (4) are fixedly connected to the left and right sides of the inner wall of the electric boiler (1) near the bottom, a circulation mechanism (5) is arranged on the right side of the electric boiler (1), and a filtering mechanism (6) is arranged inside the circulation mechanism (5); The filtering mechanism (6) comprises a rotating assembly (61) and a fixed assembly (62); the rotating assembly (61) is arranged in the circulation mechanism (5), and the fixed assembly (62) is arranged in the rotating assembly (61).

2. The preheating recovery structure of a water thermal storage electric boiler according to claim 1 is characterized in that: The circulation mechanism (5) comprises a water inlet pipe (51), the water inlet pipe (51) being fixedly connected to the left side of the electric boiler (1) near the top, a water outlet pipe (52) being fixedly connected to the right side of the electric boiler (1) near the bottom, a water pump (53) being fixedly connected to the right end of the water outlet pipe (52), a first connecting water pipe (54) being fixedly connected to the right side of the water pump (53), a heat exchanger (55) being fixedly connected to the right end of the first connecting water pipe (54), a second connecting water pipe (56) being fixedly connected to the right side of the heat exchanger (55) near the bottom, and a third connecting water pipe (57) being fixedly connected to the right side of the electric boiler (1) near the front.

3. The preheating recovery structure of a water thermal storage electric boiler according to claim 2 is characterized in that: The other end of the second connecting water pipe (56) is fixedly connected to the right side of the filtering mechanism (6), and the third connecting water pipe (57) is fixedly connected to the left side of the filtering mechanism (6).

4. The preheating recovery structure of a water thermal storage electric boiler according to claim 1 is characterized in that: The rotating assembly (61) comprises a box body (611), the box body (611) is fixedly connected to the other end of the second connecting water pipe (56), the top of the box body (611) is symmetrically provided with a first slide groove (612), a filter plate (613) is slidably connected in the first slide groove (612), a rotating rod (614) is rotatably connected to the right side of the top of the box body (611), a connecting plate (615) is fixedly connected to the top of the rotating rod (614), a connecting block (616) is fixedly connected to the left side of the top of the box body (611), and the connecting block (616) A fixed groove (617) is provided at the left end of the corresponding connecting plate (615), a second sliding groove (618) is provided at the top of the fixed groove (617), a third sliding groove (619) is provided at the top of the second sliding groove (618), a first spring (6111) is fixedly connected to the top of the third sliding groove (619), a sliding plate (6112) is slidably connected to the third sliding groove (619), an arc-shaped fixed block (6113) is slidably connected to the second sliding groove (618), and an arc groove (6114) is fixedly connected to the left end of the top of the connecting plate (615).

5. The preheating recovery structure of a water thermal storage electric boiler according to claim 4 is characterized in that: The bottom end of the first spring (6111) is fixedly connected to the top of the slide plate (6112), the top of the arc-shaped fixing block (6113) is fixedly connected to the bottom of the slide plate (6112), the arc-shaped fixing block (6113) and the arc-shaped groove (6114) correspond to each other, and the left side of the box body (611) is fixedly connected to the other end of the third connecting water pipe (57).

6. The preheating recovery structure of a water thermal storage electric boiler according to claim 1 is characterized in that: The fixing assembly (62) comprises a connecting rod (621), the connecting rod (621) being symmetrically connected to the top of the connecting plate (615) so as to slide up and down, the top of the connecting rod (621) being fixedly connected to a handle (622), the bottom of the connecting rod (621) being fixedly connected to a pressure block (623), and a second spring (624) being sleeved on the surface of the connecting rod (621) between the connecting plate (615) and the pressure block (623).

7. The preheating recovery structure of a water thermal storage electric boiler according to claim 6 is characterized in that: The bottom end of the connecting rod (621) extends below the connecting plate (615), the top end of the second spring (624) is fixedly connected to the bottom of the connecting plate (615), and the bottom end of the second spring (624) is fixedly connected to the top of the pressing block (623).

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