Energy storage boiler
By introducing a cooler and a multi-ring flue into the boiler for heat exchange, the problem of unrecovered heat from flue gas in traditional boilers is solved, achieving heat recovery and efficient energy utilization.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-03-24
AI Technical Summary
In traditional boilers, the flue gas is discharged at too high a temperature, resulting in the failure to recover heat and causing energy waste.
Design an energy storage boiler that uses a cooler and a multi-ring flue to exchange heat between room temperature water and high temperature flue gas, thereby recovering heat from the flue gas and reducing the exhaust temperature.
It effectively recovers heat from flue gas, reduces exhaust temperature, avoids energy waste, and improves heat exchange efficiency.
Smart Images
Figure CN224033775U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a boiler technical field, concretely relates to a kind of energy storage boiler. BACKGROUND
[0002] Boiler is a kind of energy conversion equipment, the energy input to boiler has chemical energy in fuel, electric energy, the heat energy form of high-temperature flue gas, conversion by boiler, certain heat energy steam or high-temperature water is exported outside. In the working process of traditional boiler, fuel is combusted in furnace chamber, flue gas is directly discharged through exhaust duct, since the time of flue gas stays in furnace body is short, flue gas is directly discharged, flue gas temperature is too high, the heat in flue gas cannot be recovered, to lead to energy waste. SUMMARY
[0003] The utility model aims at designing a kind of energy storage boiler, can reduce flue gas temperature, recover the heat in flue gas, to solve the problem presented in the above background technique.
[0004] To achieve the above object, the utility model provides the following technical scheme: provide a kind of energy storage boiler, including boiler and cooler, the two sides of the boiler are respectively installed with front smoke box and rear smoke box, one end of the rear smoke box is equipped with smoke outlet;The cooler is installed in the upside of the boiler, one side of the cooler is equipped with smoke inlet, the smoke inlet is communicated with the smoke outlet by flue;The inside of the cooler is installed with multiple annular flues, one end of the multiple annular flues is communicated with the smoke inlet, the other end of the multiple annular flues is communicated with flue gas pipe;The upper end of the cooler is communicated with water supply pipe, the lower end of the cooler is communicated with water outlet pipe, and the water outlet pipe is communicated with the boiler.
[0005] Further, the inside of the cooler is installed with multiple partitions, to form multiple compartments, and each compartment is communicated with the water supply pipe and the water outlet pipe.
[0006] Further, the water supply pipe and the water outlet pipe are both installed with flow regulating valve.
[0007] Further, the lower part of the inside of the boiler is equipped with furnace chamber, and the upper part is equipped with short smoke pipe and long smoke pipe, one side of the furnace chamber is communicated with back-burning chamber, and the other side penetrates through the front smoke box and is communicated with combustor;The two sides of the short smoke pipe are respectively communicated with the front smoke box and the back-burning chamber, and the two sides of the long smoke pipe are respectively communicated with the front smoke box and the rear smoke box.
[0008] Further, the flue gas pipe is installed with upper filter plate and lower filter plate, and the upper filter plate and the lower filter plate are equipped with activated carbon layer.
[0009] Compared with prior art, the utility model has the beneficial effects of:
[0010] The utility model discloses a boiler, the high temperature flue gas of boiler produces from the smoke outlet through the flue delivery to the cooler, and the water pipe of feed water delivery normal temperature water to the cooler, and the high temperature flue gas is delivered through the multiloop flue, and the heat exchange is carried out to the normal temperature water, the annular design of multiloop flue, the heat is spread conveniently through the multiloop flue, and the heat exchange heating surface is increased, and the heat exchange time is improved, and the inside and outside of annular pipe are fully heat exchanged, and the high temperature water after heat exchange is delivered to the boiler through the water outlet water pipe, and the heat in flue gas is recovered in this way, and the exhaust gas temperature is reduced, and the energy waste is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0011] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will be to the drawings needed to be used in the embodiment or prior art description simple introduction, obviously, below description in the drawings only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.
[0012] Fig. 1 It is an angle perspective view of the utility model;
[0013] Fig. 2 It is a sectional view of the utility model.
[0014] The names of the components marked in the figure are as follows:
[0015] 1, boiler;2, cooler;3, front smoke box;4, rear smoke box;5, smoke outlet;6, smoke inlet;7, flue;8, multiloop flue;9, exhaust pipe;10, feed water pipe;11, water outlet pipe;12, partition;13, compartment;14, hearth;15, short smoke pipe;16, long smoke pipe;17, back-burning chamber;18, burner. DETAILED DESCRIPTION
[0016] In order to further illustrate the technical means and effects adopted by the present application to achieve the predetermined object of the invention, the specific embodiments, structures, features and effects according to the present application will be described in detail below with reference to the drawings and preferred embodiments.
[0017] Embodiment: please refer to Figs. 1-2The utility model provides an energy storage boiler, including boiler 1 and cooler 2, and the both sides of boiler 1 are equipped with front smoke box 3 and rear smoke box 4 respectively, and the one end of rear smoke box 4 is equipped with smoke outlet 5. The lower portion of the inside of boiler 1 is equipped with hearth 14, and the upper portion is equipped with multiple short smoke pipes 15 and multiple long smoke pipes 16. One side of hearth 14 is communicated with back combustion chamber 17, and the other side is communicated with combustor 18 through front smoke box 3. The both sides of multiple short smoke pipes 15 are communicated with front smoke box 3 and back combustion chamber 17 respectively, and the both sides of multiple long smoke pipes 16 are communicated with front smoke box 3 and rear smoke box 4 respectively. The combustor 18 is started, and the gas is combusted in hearth 14 to generate a large amount of high-temperature flue gas, the high-temperature flue gas enters back combustion chamber 17 from hearth 14, and the high-temperature flue gas enters short smoke pipe 15 from the inlet of short smoke pipe 15 in back combustion chamber 17 to the outlet of short smoke pipe 15, i.e. front smoke box 3, and then enters long smoke pipe 16 from the inlet of long smoke pipe 16 in front smoke box 3 to the outlet of long smoke pipe 16, i.e. rear smoke box 4. The arrangement of short smoke pipe 15 and long smoke pipe 16 increases the heat exchange heating surface and improves the residence time of flue gas in the furnace, so that the water in boiler 1 can be uniformly heated, and the temperature of exhaust gas is reduced.
[0018] The cooler 2 is installed on the upper side of boiler 1, one side of the cooler 2 is provided with smoke inlet 6, the smoke inlet 6 is communicated with the smoke outlet 5 through flue 7; the inside of the cooler 2 is provided with multiple annular flues 8, one end of the multiple annular flues 8 is communicated with the smoke inlet 6, and the other end of the multiple annular flues 8 is communicated with the exhaust pipe 9. The high-temperature flue gas generated by the boiler 1 is transported into the cooler 2 through the flue 7 from the smoke outlet 5, the feed water pipe 10 transports normal temperature water into the cooler 2, the high-temperature flue gas is transported through the multiple annular flues 8 and exchanges heat with the normal temperature water; the annular design of the multiple annular flues 8 facilitates the propagation of heat through the multiple annular flues 8, increases the heat exchange heating surface, improves the heat exchange time, and enables the inside and outside of the annular pipe to fully exchange heat; the high-temperature water after heat exchange is transported into the boiler 1 through the outlet water pipe 11, so as to recover the heat in the flue gas, reduce the exhaust gas temperature, and avoid energy waste. The filter plate and the lower filter plate are installed in the exhaust pipe 9, and the active carbon layer is arranged between the upper filter plate and the lower filter plate, which can filter and adsorb the particles in the flue gas to prevent environmental pollution. The upper end of the cooler 2 is communicated with the feed water pipe 10, the lower end of the cooler 2 is communicated with the outlet water pipe 11, and the outlet water pipe 11 is communicated with the boiler 1. The inside of the cooler 2 is provided with multiple partitions 12 to form multiple compartments 13, each compartment 13 is communicated with the feed water pipe 10 and the outlet water pipe 11. The compartments 13 are arranged, the normal temperature water between each compartment 13 does not flow, so that the flue gas exchanges heat in the first compartment 13, the temperature of the normal temperature water is greatly improved, then the flue gas exchanges heat with the normal temperature water in the second compartment 13, and the temperature is gradually reduced, so that the exhaust gas temperature is greatly reduced. The flow regulating valve is arranged on the feed water pipe 10 and the outlet water pipe 11, and the water flow can be controlled through the flow regulating valve.
[0019] The working principle of the embodiment is as follows: when the boiler 1 works, the burner 18 is started, the gas combustion generates high-temperature flue gas, the high-temperature flue gas is sequentially sent to the cooler 2 through the back smoke box 4, the long smoke pipe 16, the front smoke box 3, the short smoke pipe 15 and the back combustion chamber 17 from the smoke outlet 5 through the flue 7, the water pipe 10 sends normal-temperature water to the cooler 2, the high-temperature flue gas is sent through the multi-ring flue 8, is gradually cooled, and finally is filtered through the exhaust pipe 9 and is discharged, and the work is as above.
[0020] It should be noted that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present. As used herein, the terms "on", "above", "under", "below", "left", "right", "front", "back", and the like in reference to the orientation of the application are only used for the purpose of illustration and not for limitation.
[0021] The above description is only the preferred embodiment of the present application, and is not intended to limit the present application in any form. Although the present application has been disclosed as above with the preferred embodiment, it is not intended to limit the present application, and any person skilled in the art can make some changes or modifications to the above disclosed technical content to make equivalent embodiments with equivalent changes, as long as the changes do not deviate from the technical solution of the present application. Any modification, equivalent change and modification of the above embodiment according to the technical essence of the present application, as long as it does not deviate from the technical solution of the present application, still belongs to the scope of the technical solution of the present application.
Claims
1. An energy storage boiler, comprising a boiler (1) and a cooler (2), characterized in that: The boiler (1) is equipped with a front smoke box (3) and a rear smoke box (4) on both sides respectively. The rear smoke box (4) has a smoke outlet (5) at one end. The cooler (2) is installed on the upper side of the boiler (1). The cooler (2) has a smoke inlet (6) on one side. The smoke inlet (6) is connected to the smoke outlet (5) through a flue (7). The cooler (2) has a multi-ring flue (8) installed inside. One end of the multi-ring flue (8) is connected to the smoke inlet (6), and the other end of the multi-ring flue (8) is connected to a flue pipe (9). The upper end of the cooler (2) is connected to a water supply pipe (10), and the lower end of the cooler (2) is connected to a water outlet pipe (11). The water outlet pipe (11) is connected to the boiler (1).
2. The energy storage boiler according to claim 1, characterized in that: The cooler (2) has multiple partitions (12) installed inside to form multiple compartments (13), and each compartment (13) is connected to the water supply pipe (10) and the water outlet pipe (11).
3. The energy storage boiler according to claim 1 or 2, characterized in that: Both the water supply pipe (10) and the water outlet pipe (11) are equipped with flow regulating valves.
4. The energy storage boiler according to claim 1, characterized in that: The boiler (1) has a furnace (14) at the bottom and a short smoke pipe (15) and a long smoke pipe (16) at the top. One side of the furnace (14) is connected to the combustion chamber (17), and the other side passes through the front smoke box (3) and is connected to the burner (18). The two sides of the short smoke pipe (15) are connected to the front smoke box (3) and the combustion chamber (17) respectively, and the two sides of the long smoke pipe (16) are connected to the front smoke box (3) and the rear smoke box (4) respectively.
5. The energy storage boiler according to claim 1, characterized in that: An upper filter plate and a lower filter plate are installed inside the exhaust pipe (9), and an activated carbon layer is provided between the upper filter plate and the lower filter plate.