Exchanger and heat storage boiler containing the same
By using the heat absorption section and the heat release section of the heat conductor in the exchanger of the heat storage boiler, and using radiation to heat the heating medium, the safety hazards caused by the generation of steam or smoke during cold water heating in the prior art are solved, and a stable atmospheric pressure heating process is achieved.
Patent Information
- Application Number
- CN202210760574.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-06-30
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2042-06-30
AI Technical Summary
During the heat release process of existing heat storage boilers, cold water passes through the heat exchanger and easily generates a large amount of steam or smoke, resulting in an increase in the pressure in the exchanger, which poses safety hazards.
An exchanger is designed, using multiple thermal conductors to transfer the heat storage energy of the heat storage body through the heat absorption and heat release sections of the thermal conductor, and gradually heat the heat medium by radiation to reduce the generation of steam or smoke, and keep the exchanger in normal pressure state.
Through this design, the increase in pressure in the exchanger is avoided, safety hazards are eliminated, and a stable heating process is achieved.
Smart Images

Figure CN115143819B_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of heat storage boilers, and in particular relates to an exchanger and a heat storage boiler comprising the same. Background Art
[0002] In the heat release process of a common heat storage boiler, cold water enters the heat exchanger through the water inlet pipe, becomes hot water after heat exchange in the heat exchanger, and is discharged from the water outlet pipe, that is, cold water forms hot water output after passing through the heat exchanger.
[0003] In the prior art, after cold water enters the heat exchanger through the water inlet pipe, it comes into contact with the heating body inside the heat exchanger. The contact area is large and the heating speed is fast. A large amount of steam or smoke is easily generated during the heating process, causing the pressure inside the heat exchanger to increase, posing a huge safety hazard. Summary of the invention
[0004] In order to solve the above problems, the present invention adopts the following technical solutions:
[0005] A switch, comprising:
[0006] A storage compartment, wherein the storage compartment has a storage space therein;
[0007] a thermal storage mass located within the storage space;
[0008] A heating chamber, wherein the heating chamber has a heating space inside, and a heat medium to be heated is arranged in the heating space;
[0009] A plurality of heat conductors, wherein the first end of the heat conductor extends into the heat storage body, and the second end of the heat conductor extends into the heating space; the plurality of heat conductors transfer the heat storage energy of the heat storage body to the heating space to heat the heat medium.
[0010] Furthermore, the heat conductor comprises a heat conductor body, the portion of the heat conductor body located in the heat storage body is set as a heat absorption section, and the portion of the heat conductor body located in the heating space is set as a heat release section;
[0011] Wherein, the end of the heat absorbing section and the end of the heat releasing section are both contraction structures, wherein the large diameter end of the contraction structure is located on one side of the center of the heat conductor body.
[0012] Furthermore, the contraction structure is in a cone shape, wherein the tip of the cone is located away from the center of the heat conductor body.
[0013] Furthermore, the material of the heat conductor is graphene.
[0014] Furthermore, the heating chamber has a medium inlet and a medium outlet, the medium inlet is provided with a medium inlet pipe, and the medium inlet pipe is provided with a first valve for controlling its on and off; the medium outlet is provided with multiple medium outlet pipes, and the medium outlet pipe is provided with an electromagnetic valve for controlling its on and off and a temperature sensor for detecting the temperature of the internal heat medium.
[0015] Furthermore, the heat medium is water.
[0016] A heat storage boiler comprises the exchanger described in any one of the above items.
[0017] Beneficial effects:
[0018] The present invention provides an exchanger in which cold water enters the heat exchanger through a water inlet pipe and contacts a conical heat conductor located in the heat exchanger. The contact area is small and the water temperature is gradually increased by radiation. Only heating bubbles are generated during the heating process, and no steam or smoke is generated. The normal pressure state of the exchanger can be ensured, the phenomenon of pressure increase in the exchanger is avoided, and safety hazards are eliminated. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;
[0020] Among them, 1. chamber; 2. heating chamber; 3. heat conductor; 31. end of heat absorption section; 32. heat conductor body; 33. end of heat release section; 4. medium inlet pipe; 5. first valve; 6. medium outlet pipe; 7. solenoid valve; 8. heat medium output pipe. DETAILED DESCRIPTION
[0021] Example 1
[0022] refer to Figure 1 , a switch comprising:
[0023] Chamber 1, chamber 1 has storage space inside;
[0024] a thermal storage mass located within the storage space;
[0025] A heating chamber 2, wherein the heating chamber 2 has a heating space inside, and a heat medium to be heated is arranged in the heating space;
[0026] A plurality of heat conductors 3, wherein the first end of the heat conductor 3 extends into the heat storage body, and the second end of the heat conductor 3 extends into the heating space; the plurality of heat conductors 3 transfer the heat storage energy of the heat storage body to the heating space to heat the heat medium.
[0027] In this embodiment, the heat medium is preferably water.
[0028] In this embodiment, the chamber 1 is located at the upper end of the heating chamber 2 .
[0029] In this embodiment, the heat conductor 3 includes a heat conductor body 32, the portion of the heat conductor body 32 located in the heat storage body is set as a heat absorption section, and the portion located in the heating space is set as a heat release section;
[0030] The end 31 of the heat absorbing section and the end 33 of the heat releasing section are both contraction structures, wherein the large diameter end of the contraction structure is located on the center side of the heat conductor body 32, that is, the heat conductor 3 as a whole is a wedge-shaped structure.
[0031] In this embodiment, the contraction structure is preferably in a cone shape, wherein the tip of the cone is located away from the center of the heat conductor body 32 .
[0032] In this embodiment, a contraction structure is adopted at both ends of the heat conductor body 32. Especially in the heat release chamber, the water to be heated contacts the heat conductor with the contraction structure. The contact area is small, and the water temperature is gradually increased by radiation. Only heating bubbles will be generated during the heating process, and no steam or smoke will be generated. The normal pressure state of the exchanger can be ensured, the phenomenon of pressure increase in the heat exchanger can be avoided, and safety hazards are eliminated.
[0033] At the same time, the exchanger provided in this embodiment can automatically adjust the contact area between water and the heat release section of the heat conductor 3 according to the water level; when the water level is low, the contact area between the tapered end of the heat release section of the heat conductor 3 and the water is reduced; when the water level is high, the contact area between the tapered end of the heat release section of the heat conductor 3 and the water is increased accordingly, thereby achieving water temperature regulation.
[0034] In this embodiment, the material of the heat conductor 3 is graphene.
[0035] Among them, graphene has very good thermal conductivity. The thermal conductivity of graphene is as high as 5300W / mK, which is the carbon material with the highest thermal conductivity to date.
[0036] In this embodiment, the heating chamber 2 has a medium inlet and a medium outlet. The medium inlet is provided with a medium inlet pipe 4, and a first valve 5 for controlling its on and off is provided on the medium inlet pipe; the medium outlet is provided with multiple medium outlet pipes 6, and the medium outlet pipes 6 are provided with a solenoid valve 7 for controlling their on and off and a temperature sensor for detecting the temperature of the internal heat medium.
[0037] The output heat medium of the plurality of medium outlet pipes 6 is collected in the heat medium outlet pipe 8 and transported to the user's usage area through the heat medium outlet pipe 8 .
[0038] Example 2
[0039] A heat storage boiler comprises the exchanger provided in Example 1.
[0040] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any slight modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention still fall within the scope of the technical solution of the present invention.
Claims
1. A switch, characterized in that: include: A storage compartment, wherein the storage compartment has a storage space therein; a thermal storage mass located within the storage space; A heating chamber, wherein the heating chamber has a heating space inside, and a heat medium to be heated is arranged in the heating space; A plurality of heat conductors, wherein the first end of the heat conductor extends into the heat storage body, and the second end of the heat conductor extends into the heating space; the plurality of heat conductors transfer the stored heat energy of the heat storage body to the heating space to heat the heat medium; the heat conductor comprises a heat conductor body, wherein the portion of the heat conductor body located in the heat storage body is set as a heat absorption section, and the portion located in the heating space is set as a heat release section; The end of the heat absorbing section and the end of the heat releasing section are both contraction structures, wherein the large diameter end of the contraction structure is located on one side of the center of the heat conductor body; The contraction structure is in a cone shape, wherein the tip of the cone is located away from the center of the heat conductor body.
2. The exchanger according to claim 1, characterized in that The material of the heat conductor is graphene.
3. The exchanger according to claim 1, characterized in that The heating chamber has a medium inlet and a medium outlet. The medium inlet is provided with a medium inlet pipe, and the medium inlet pipe is provided with a first valve for controlling its on and off; the medium outlet is provided with multiple medium outlet pipes, and the medium outlet pipes are provided with a solenoid valve for controlling its on and off and a temperature sensor for detecting the temperature of the internal heat medium.
4. The exchanger according to claim 1, characterized in that The heat medium is water.
5. A heat storage boiler, characterized in that: A switch comprising any one of claims 1 to 4.
Citation Information
Patent Citations
Economizer for boiler
CN206563284U