Heater with changeable heat value

By designing a variable heat value heater and using a plate welding structure with corrugated pressure grooves, the problems of high manufacturing cost and poor energy-saving and environmental protection effects of heating equipment are solved, and a low-cost and high-efficiency heat exchange effect is achieved.

CN223036933UActive Publication Date: 2025-06-27ZHANGJIAKOU SAIBEI BOILER-MAKING CO LTD
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Patent Information

Application Number
CN202421786083.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-26
Publication Date
2025-06-27
Estimated Expiration
2034-07-26

AI Technical Summary

Technical Problem

The existing heating equipment has high manufacturing costs, complex manufacturing processes and poor energy-saving and environmentally friendly effects, resulting in an increase in economic burden and pressure for environmental pollution control.

Method used

A convertible heat value heater is designed, and it is made of welded several plates with corrugated pressure grooves. The plates are made of stainless steel. The corrugated pressure grooves have a certain inclination angle to form alternately arranged intermediate channels. They are suitable for electric heating, steam heating, natural gas heating and other methods.

Benefits of technology

It has achieved low equipment manufacturing cost, simple manufacturing process, improved heat exchange efficiency, achieved good energy-saving and environmentally friendly results, and is suitable for the heating industry and the production and daily hot water industry.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a heater with a changeable heat value, which comprises a plurality of plate sheets with corrugated pressure grooves, and the four edges of each plate sheet extend outwards by a certain right-angle edge along the vertical direction so as to be connected with the adjacent plate sheets in a welding way; each plate is provided with four round holes, two round holes are located above the plates, the other two round holes are located below the plates, and the two round holes corresponding to each other in a crossed mode in the same plate extend outwards by a certain right-angle edge in the vertical direction, so that the round holes are connected with the corresponding round holes in the adjacent plates in a welded mode, and a middle channel for a heat exchange medium to go in and out is formed. And the middle channels between two adjacent groups of plate sheets are opposite in position and are alternately arranged. The heater capable of changing the calorific value adopts a normal-pressure operation mode, and is safe and reliable in equipment operation, simple in manufacturing process, low in manufacturing cost, high in heat exchange efficiency and good in energy-saving and environment-friendly effects.
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Description

Technical Field

[0001] The utility model relates to a heat value transformable heater, belonging to the technical field of heat exchange equipment manufacturing. Background Art

[0002] At present, in the heating equipment industry, there are generally problems of high equipment manufacturing cost and poor energy conservation and environmental protection effects. For two heating equipment main bodies with the same thermal power, the equipment with a large volume, high weight, and more materials used has a higher cost and worse energy conservation and environmental protection effects than the equipment with a small volume, light weight, and less materials used. Moreover, the current manufacturing process of heating equipment is complex, which will inevitably bring varying degrees of economic burdens to heating equipment manufacturing enterprises and users, and also bring certain economic pressure and environmental pollution treatment pressure to society.

[0003] Therefore, there is an urgent need in the market to develop an energy-saving and environment-friendly heat exchange equipment with low cost and simple manufacturing process. Summary of the Invention

[0004] The purpose of the utility model is to provide a heat value transformable heater, which has low manufacturing cost, simple manufacturing process, high heat exchange efficiency, and is energy-saving and environment-friendly.

[0005] The utility model provides a heat value transformable heater, which includes several plate pieces with corrugated grooves. The four edges of each plate piece extend outward in a vertical direction to form a certain right angle edge, so as to be welded to the adjacent plate pieces; four round holes are provided on each plate piece, two of which are located above the plate piece and two are located below the plate piece. On the same plate piece, the edges of two cross-corresponding round holes extend outward in a vertical direction to form a certain right angle edge, so as to be welded to the corresponding round holes on the adjacent plate pieces, forming an intermediate channel for the inlet and outlet of the heat exchange medium; the intermediate channel positions between adjacent two groups of plate pieces are opposite and are arranged alternately.

[0006] According to a specific but non-limiting implementation scheme of the utility model, each plate piece is provided with multiple discontinuous semi-elliptical corrugated grooves, and the corrugated grooves have a certain inclination angle.

[0007] According to a specific but non-limiting implementation scheme of the utility model, the linear inclination angle of the corrugated grooves is 60 degrees.

[0008] According to a specific but non-limiting implementation scheme of the utility model, the plate piece is made of a stainless steel plate with a thickness of 0.3mm - 0.5mm by stamping.

[0009] According to a specific but non-limiting implementation scheme of the utility model, for the round holes on the plate piece, two are parallel and located above the plate piece, and two are parallel and located below the plate piece.

[0010] According to a specific but non-limiting embodiment of the present utility model, the plate is composed of a plate A and a plate B. The linear inclination angle directions of the corrugated grooves of the plate A and the plate B are opposite, and the plate A and the plate B are alternately overlapped.

[0011] According to a specific but non-limiting embodiment of the present utility model, the linear angle directions of the corrugated grooves of two adjacent plates form a cross.

[0012] According to a specific but non-limiting embodiment of the present utility model, the variable calorific value heater further includes an outer cover flat plate, and the outer cover flat plates are respectively arranged on the back surfaces of the first layer of plates and the penultimate layer of plates.

[0013] According to a specific but non-limiting embodiment of the present utility model, four round holes are provided on the outer cover flat plate, which are in the same positions and have the same aperture sizes as the four round holes on the plates.

[0014] According to a specific but non-limiting embodiment of the present utility model, the variable calorific value heater is heated by at least one of electric heating, steam heating, natural gas heating, hydrogen fuel heating and ethanol fuel heating.

[0015] The beneficial effects of the present utility model are mainly reflected in:

[0016] The variable calorific value heater of the present utility model is welded by several stamped plates with corrugated grooves, and adopts an atmospheric pressure operation mode. The equipment operates safely and reliably, the manufacturing process is simple, and the manufacturing cost is low; on each plate of the present utility model, there are multiple discontinuous semi-elliptical corrugated grooves, and the corrugated grooves have a certain inclination angle. This design greatly improves the heat exchange efficiency and achieves good energy conservation and environmental protection effects; the present utility model solves the problems of high cost, complex manufacturing process and poor energy conservation and environmental protection effects of current heating equipment, and is a new type of heat exchange equipment that can replace current heating equipment, and is applicable to the heating industry and the fields of hot water for production and living. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of a variable calorific value heater provided by a specific embodiment of the present utility model.

[0018] Figure 2 is a front view of plate A of the variable calorific value heater provided by a specific embodiment of the present utility model.

[0019] Figure 3 is a top view of plate A of the variable calorific value heater provided by a specific embodiment of the present utility model.

[0020] Figure 4It is the front view of the B plate of the variable calorific value heater provided by a specific embodiment of the present utility model.

[0021] Figure 5 It is the top view of the B plate of the variable calorific value heater provided by a specific embodiment of the present utility model.

[0022] Figure 6 It is the schematic diagram of the heat exchange circuit of the variable calorific value heater provided by a specific embodiment of the present utility model. Specific Embodiment

[0023] Hereinafter, the exemplary embodiments of the present disclosure will be described in more detail with reference to the accompanying drawings. Although the exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided so that the present disclosure can be more thoroughly understood and the scope of the present disclosure can be completely conveyed to those skilled in the art.

[0024] Figure 1 It is the structural schematic diagram of the variable calorific value heater provided by a specific embodiment of the present utility model. As Figure 1 shown, the variable calorific value heater of the present utility model includes several plates with corrugated grooves. The four edges of each plate extend outward in a vertical direction by a certain right-angle edge 1 so as to be welded to the adjacent plate; four round holes 2 are provided on each plate, two of which are located above the plate and two are located below the plate. The edges of two cross-corresponding round holes on the same plate extend outward in a vertical direction by a certain right-angle edge so as to be welded to the corresponding round holes on the adjacent plate, forming an intermediate channel for the heat exchange medium to enter and exit; the positions of the intermediate channels between adjacent two groups of plates are opposite and are arranged alternately.

[0025] Preferably, each plate is provided with multiple discontinuous semi-elliptical corrugated grooves 3, and the corrugated grooves 3 have a certain inclination angle.

[0026] Specifically, the plate is usually made of a stainless steel plate with a thickness of 0.3 mm - 0.5 mm, which is formed by stamping according to the required size and shape; according to the linear inclination direction of the corrugated grooves, it is divided into A plates and B plates. The A plates and B plates have the same size but different linear inclination directions of the corrugated grooves. The A plates and B plates are alternately overlapped and combined by welding.

[0027] Figure 2 It is the front view of the A plate, Figure 4 It is the front view of the B plate. As Figure 2 and Figure 4As shown, the shapes of plates A and B are usually rectangular, with the length in the up-down direction and the width in the left-right direction. Four round holes 2 are provided on plates A and B, and the diameter of the round holes is determined according to the product specifications. The positions of the four round holes are such that two are parallel and located above plates A and B, and two are parallel and located below plates A and B. The round hole in the lower left corresponds to the round hole in the upper right as a group, and the round hole in the lower right corresponds to the round hole in the upper left as a group. On the plane around the four round holes, there are multiple discontinuous semi-elliptical corrugated grooves 3, and the linear inclination angle of the corrugated grooves 3 is 60 degrees, that is, inclined 60 degrees to the left or 60 degrees to the right. The linear inclination angle directions of the corrugated grooves on plate A and plate B are exactly opposite. After plates A and B are alternately overlapped, the linear angle directions of the corrugated grooves of adjacent two plates just form a cross. All plate As, such as plate A = A1, A2, A3... An, have the same size and shape; all plate Bs, such as plate B = B1, B2, B3... Bn, have the same size and shape.

[0028] Viewing plate A from a top-down perspective, such as Figure 3 shown, the four sides of plate A are formed into 90-degree right-angle edges 1 by stamping, and the height of the corner edges of the right-angle edges 1 is determined according to the product specifications. Viewing the four round holes 2 on plate A from a top-down perspective, the round hole edges of the round hole in the lower left and the round hole in the upper right are formed into two 90-degree right-angle edges with the same diameter by stamping, and the height of the corner edges is determined according to the product specifications; the round holes in the lower right and the upper left are formed into two round holes with the same diameter on a plane by stamping.

[0029] Viewing plate B from a top-down perspective, such as Figure 5 shown, the four sides of plate B are also formed into 90-degree right-angle edges 1 by stamping, and the height of the corner edges of the right-angle edges 1 is the same as the height of the right-angle edges on the four sides of plate A. Viewing the four round holes 2 on plate B from a top-down perspective, the round holes in the lower left and the upper right are formed into two round holes with the same diameter on a plane by stamping, and the aperture is the same as that formed by stamping the round hole edges of the round holes in the lower left and the upper right of plate A; the round hole edges of the round holes in the lower right and the upper left of plate B are formed into 90-degree right-angle edges by stamping, and the height of the corner edges is the same as the height of the right-angle edges of the round holes in the lower left and the upper right of plate A, and the aperture after stamping is the same as the two plane apertures of the round holes in the lower right and the upper left of plate A.

[0030] Figure 6 is a schematic diagram of the heat exchange circuit of the variable calorific value heater of the present utility model. Such as Figure 6As shown, the A plates (A1--An) and the B plates (B1--Bn) are alternately overlapped and arranged, and are combined by welding, such as A1 plate, B1 plate, A2 plate, B2 plate, A3 plate, B3 plate... An plate, Bn plate. The A1 plate (the first layer) overlaps with the B1 plate (the second layer), and the upper edges of the right-angled sides of the four sides of the A1 plate are welded to the lower corners of the right-angled sides of the four sides of the B1 plate (the side without the right-angled side), and a heat exchange chamber space for the medium to be heated (such as water) is formed between the A1 plate and the B1 plate; the upper edges of the right-angled sides of the left-lower circular hole and the upper-right circular hole of the A1 plate are welded to the edges of the left-lower planar circular hole and the upper-right planar circular hole of the B1 plate, forming a channel for the heating medium (such as natural gas) to enter and exit the heat exchange chamber; the right-lower circular hole and the upper-left circular hole of the A1 plate are the inlets and outlets for the medium to be heated (such as water).

[0031] The A2 plate (the third layer) overlaps with the B1 plate (the second layer), and the upper edges of the right-angled sides of the four sides of the B1 plate are welded to the lower corners of the right-angled sides of the four sides of the A2 plate (the side without the right-angled side), and a combustion chamber space for the heating medium (such as natural gas) is formed between the B1 plate and the A2 plate; the upper edges of the right-angled sides of the right-lower circular hole and the upper-left circular hole of the B1 plate are welded to the edges of the right-lower planar circular hole and the upper-left planar circular hole of the A2 plate, forming a channel for the medium to be heated (such as water) to enter and exit the combustion chamber; the left-lower circular hole and the upper-right circular hole of the B1 plate are the inlets for the heating medium (such as natural gas) and the outlets for the exhaust gas.

[0032] The B2 plate (the fourth layer) overlaps with the A2 plate (the third layer), and the upper edges of the right-angled sides of the four sides of the A2 plate are welded to the lower corners of the right-angled sides of the four sides of the B2 plate (the side without the right-angled side), and a heat exchange chamber space for the medium to be heated (such as water) is formed between the A2 plate and the B2 plate; the upper edges of the right-angled sides of the left-lower circular hole and the upper-right circular hole of the A2 plate are welded to the edges of the left-lower planar circular hole and the upper-right planar circular hole of the B2 plate, forming a channel for the heating medium (such as natural gas) to enter and exit the heat exchange chamber; the right-lower circular hole and the upper-left circular hole of the A2 plate are the inlets and outlets for the medium to be heated (such as water).

[0033] The A3 plate (the fifth layer) overlaps with the B2 plate (the fourth layer), and the upper edges of the right-angled sides of the four sides of the B2 plate are welded to the lower corners of the right-angled sides of the four sides of the A3 plate (the side without the right-angled side), and a combustion chamber space for the heating medium (such as natural gas) is formed between the B2 plate and the A3 plate; the upper edges of the right-angled sides of the right-lower circular hole and the upper-left circular hole of the B2 plate are welded to the edges of the right-lower planar circular hole and the upper-left planar circular hole of the A3 plate, forming a channel for the medium to be heated (such as water) to enter and exit the combustion chamber; the left-lower circular hole and the upper-right circular hole of the B2 plate are the inlets for the heating medium (such as natural gas) and the outlets for the exhaust gas.

[0034] The B3 plate (sixth layer) overlaps with the A3 plate (fifth layer), and the upper edges of the right-angled sides of the four sides of the A3 plate are welded to the lower corners of the right-angled sides of the four sides of the B3 plate (the side without a right-angled side), and a heat exchange chamber space for the heated medium (such as water) is formed between the A3 plate and the B3 plate; the upper edges of the right-angled sides of the lower left circular hole and the upper right circular hole of the A3 plate are welded to the edges of the lower left flat circular hole and the upper right flat circular hole of the B3 plate, forming a channel for the heating medium (such as natural gas) to enter and exit the heat exchange chamber; the lower right circular hole and the upper left circular hole of the A3 plate are the inlet and outlet of the heated medium (such as water).

[0035] The order of alternately overlapping and welding A plates (A1--An) and B plates (B1--B n) is similar. The number of overlapping layers varies according to the size of the product, and the requirement for the number of overlapping layers is that the middle channel of the first and second layers and the middle channel of the second to last layer must be the heated medium (such as water).

[0036] In order to increase the strength of the product, an outer cover plane plate 4 with the same size and thickness as the plate is added to the back of the first plate and the last plate. Four round holes 2 are provided on the front and rear outer cover plane plates, which are in the same position as the four round holes on the plate and have the same hole diameter and are welded. Four connectors or four flanges with pipe sockets 5 are welded to the four round holes on the outer cover plane plate, and the connector or flange with the same diameter as ...

[0037] The convertible calorific value heater of the utility model can realize various heating modes such as electric heating, steam heating, natural gas heating, hydrogen fuel heating and ethanol fuel heating.

[0038] When electric heating is used, the electric heating element is installed on the lower left connection or flange of the outer cover plane plate, the connection or flange on the back of the outer cover plane plate is closed, one side of the upper right connection or flange is closed and the other side is unobstructed, and softened water is added to the heating channel.

[0039] When steam heating is used, connect the steam pipe to the joint or flange on the upper right side of the outer cover flat panel, close the joint or flange on the back of the outer cover flat panel, close one side of the lower left joint or flange and keep the other side open.

[0040] When natural gas is used for heating, connect the natural gas burner to the connector or flange at the lower left of the outer cover flat panel, install an explosion-proof device on the connector or flange at the back of the outer cover flat panel, install an explosion-proof device on the upper right connector or flange, and install an exhaust pipe on the other side.

[0041] When using hydrogen fuel for heating, connect the hydrogen fuel burner to the joint or flange at the lower left of the outer cover flat panel. Install an explosion-proof device on the joint or flange on the back of the outer cover flat panel, install an explosion-proof device on the joint or flange at the upper right, and install an exhaust gas pipe on the other side.

[0042] When using ethanol fuel for heating, connect the ethanol fuel burner to the joint or flange at the lower left of the outer cover flat panel. Install an explosion-proof device on the joint or flange on the back of the outer cover flat panel, install an explosion-proof device on the joint or flange at the upper right, and install an exhaust gas pipe on the other side.

[0043] The heated channel usually uses softened water or antifreeze as the medium to exchange heat with the heat source in the heating channel to meet the heating or hot water supply requirements.

[0044] The variable calorific value heater of the present utility model adopts an atmospheric pressure operation mode, and the equipment operates safely and reliably, and is applicable to the heating industry and the hot water industry for production and living. In the heating industry, according to the specifications and models of the equipment, it can be applied to heating areas ranging from several thousand to tens of thousands of square meters to as small as several dozen to several hundred square meters, and can be used to replace existing heating equipment, with advantages such as low manufacturing cost, high heat exchange efficiency, and good energy conservation and environmental protection effects.

[0045] It should be understood that the terms used in this text are only for the purpose of describing specific example embodiments and are not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms "a", "an", and "the" as used in this text may also include the plural forms. The terms "comprising", "including", "containing", and "having" are inclusive and thus specify the presence of the stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or combinations thereof. The method steps, processes, and operations described in this text are not to be construed as necessarily requiring them to be performed in the particular order described or illustrated, unless the order of execution is explicitly stated. It should also be understood that additional or alternative steps may be used.

[0046] Although terms such as first, second, third, etc. may be used in this text to describe multiple elements, components, regions, layers, and / or sections, these elements, components, regions, layers, and / or sections should not be limited by these terms. These terms may only be used to distinguish one element, component, region, layer, or section from another region, layer, or section. Unless the context clearly indicates otherwise, terms such as "first", "second", and other numerical terms do not imply an order or sequence when used in this text. Therefore, the first element, component, region, layer, or section discussed below may be referred to as the second element, component, region, layer, or section without departing from the teachings of the example embodiments.

[0047] For ease of description, spatial relative relationship terms may be used in the text to describe the relationship of one element or feature shown in the figure relative to another element or feature. These relative relationship terms are, for example, "inner", "outer", "inner side", "outer side", "below", "beneath", "above", "upper", etc. Such spatial relative relationship terms are intended to include different orientations of the device in use or operation other than the orientations depicted in the figure. For example, if the device in the figure is flipped, then an element described as "below other elements or features" or "beneath other elements or features" will subsequently be oriented as "above other elements or features" or "over other elements or features". Thus, the example term "below" can include both upward and downward orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used in the text are accordingly interpreted.

[0048] As described above, only the preferred specific embodiments of the present utility model are given, but the protection scope of the present utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed by the present utility model should be covered by the protection scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. A variable calorific value heater, characterized in that: It comprises several plates with corrugated grooves, the four sides of each plate extending outward at right angles in the vertical direction, so as to be welded and connected with adjacent plates; each plate is provided with four circular holes, two of which are located above the plate, and two are located below the plate; the two corresponding circular holes on the same plate extend outward at right angles in the vertical direction, so as to be welded and connected with the corresponding circular holes on the adjacent plate, forming an intermediate channel for the heat exchange medium to enter and exit; the intermediate channels between two adjacent groups of plates are in opposite positions and are arranged alternately.

2. The variable calorific value heater according to claim 1, characterized in that: Each plate is provided with a plurality of discontinuous semi-elliptical corrugated grooves, and the corrugated grooves have an inclined angle.

3. The variable calorific value heater according to claim 2, characterized in that: The straight line inclination angle of the corrugated groove is 60 degrees.

4. The variable calorific value heater according to claim 1, characterized in that: The plate is made of a stainless steel plate with a thickness of 0.3 mm to 0.5 mm through stamping.

5. The variable calorific value heater according to claim 1, characterized in that: The circular holes on the plate are arranged in two parallel positions above the plate and two parallel positions below the plate.

6. The switchable calorific value heater according to any one of claims 1 to 5, characterized in that: The plate sheet is composed of an A plate sheet and a B plate sheet. The straight lines of the corrugated grooves of the A plate sheet and the B plate sheet are inclined at opposite angles. The A plate sheet and the B plate sheet are alternately overlapped.

7. The variable calorific value heater according to claim 6, characterized in that: The straight lines of the corrugated grooves of two adjacent plates are inclined at an angle to form a cross.

8. The variable calorific value heater according to claim 1, characterized in that: The convertible calorific value heater further comprises an outer cover plane plate, and the outer cover plane plate is respectively arranged on the back side of the first layer of plate and the penultimate layer of plate.

9. The variable calorific value heater according to claim 8, characterized in that: The outer cover plane plate is provided with four circular holes, which are located at the same position and have the same hole diameter as the four circular holes on the plate.

10. The variable calorific value heater according to claim 5, characterized in that: The convertible calorific value heater is heated by at least one of electric heating, steam heating, natural gas heating, hydrogen fuel heating and ethanol fuel heating.