Efficient heat-conducting oil and gas fired boiler
By adopting a threaded flue pipe and water inlet pipe design in oil and gas boilers, the contact area between the flue pipe and the water body is increased, solving the problem of small contact area of the flue pipe, realizing efficient utilization of flue gas heat and improving thermal conductivity.
Patent Information
- Application Number
- CN202520033944.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-07
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-07
AI Technical Summary
The small contact area of the flue pipes in existing oil and gas boilers results in low heat transfer efficiency and the heat in the exhaust gas is not fully utilized.
The design of the threaded exhaust pipe increases the contact area between the exhaust pipe and the water, and a water inlet pipe is installed directly above the exhaust pipe to use the heat of the exhaust gas to heat the water at a lower temperature.
It improves heat transfer efficiency, reduces heat loss from flue gas, and achieves highly efficient heat conduction.
Smart Images
Figure CN223755577U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fuel gas boiler technical field especially is related to a kind of high-efficiency heat-conducting fuel gas boiler. BACKGROUND
[0002] Fuel gas boiler refers to the boiler that can burn oil and gas, which is a kind of atmospheric hot water boiler using oil and gas heating, belonging to the range of life boiler. Fuel gas boiler is mainly used for heating and bathing, which can save some costs for users. Fuel gas boiler operates under atmospheric pressure, without safety hazards, so it can be installed anywhere. In recent years, fuel gas atmospheric hot water boiler has developed very rapidly, and most units use this kind of boiler for heating and bathing.
[0003] The smoke pipe of the existing fuel gas boiler is usually a straight pipe, which has a small contact area with water, affecting the heat transfer of high-temperature flue gas. When flue gas is discharged from the flue gas discharge pipe, there is still residual heat that has not been utilized. Therefore, the present application provides a high-efficiency heat-conducting fuel gas boiler that efficiently utilizes flue gas heat. SUMMARY
[0004] The utility model aims at providing a kind of high-efficiency heat-conducting fuel gas boiler, by setting threaded smoke exhaust pipe, increase the contact area of smoke exhaust pipe and water body, improve the heating area, simultaneously set water inlet pipe in the direct upper of flue gas discharge pipe, heat the water of lower temperature, further utilize flue gas heat, reduce flue gas heat loss, and the heat conduction efficiency is high.
[0005] To achieve the above-mentioned purpose, the utility model provides a kind of high-efficiency heat-conducting fuel gas boiler, including boiler body and the burner being set in the one side of boiler body, be provided with furnace in the inside of boiler body, the one end of furnace is provided with burner, the other end of furnace is provided with right smoke box, the upper of furnace is provided with left smoke box, left smoke box and right smoke box are connected by smoke exhaust pipe, the discharge end of left smoke box is connected with flue gas discharge pipe, and the one side of flue gas discharge pipe is provided with water inlet pipe.
[0006] Further, the bottom of the boiler body is provided with a base for support, and the lower surface of the base is provided with supporting legs.
[0007] Further, the smoke exhaust pipe includes a first spiral smoke exhaust pipe and a second spiral smoke exhaust pipe, which are arranged around the furnace. One end of the first and second spiral smoke exhaust pipes is connected with the right smoke box, and the other end is connected with the left smoke box.
[0008] Further, the right smoke box is arranged on the right side of the furnace, and the left smoke box is arranged above the left side of the furnace.
[0009] Further, the boiler body surface is provided with a water outlet pipe for water outlet and a pressure gauge for detecting pressure, and the water outlet pipe and the water inlet pipe are arranged at two ends of the boiler body.
[0010] Further, the inlet end of the water inlet pipe is provided with a spray head connected with the water inlet pipe through a connecting part, and the spray head is arranged inside the boiler body.
[0011] Further, the bottom of the boiler body is provided with a blowdown pipe.
[0012] Therefore, the high-efficiency heat-conducting fuel oil and gas boiler with the above structure increases the contact area of the smoke exhaust pipe and the water body, improves the heating area, arranges the water inlet pipe above the smoke exhaust pipe to heat the water with low temperature, further utilizes the smoke heat, reduces the smoke heat loss, and has high heat conduction efficiency.
[0013] The technical scheme of the utility model will be further described in detail below with reference to the drawings and embodiments. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 Fig. 1 is a schematic diagram of the overall structure of the high-efficiency heat-conducting fuel oil and gas boiler embodiment of the utility model;
[0015] Figure 2 Fig. 2 is a schematic diagram of the inside of the boiler of the high-efficiency heat-conducting fuel oil and gas boiler embodiment of the utility model;
[0016] Figure 3 Fig. 3 is a schematic diagram of the spray head of the high-efficiency heat-conducting fuel oil and gas boiler embodiment of the utility model.
[0017] REFERENCE NUMERALS
[0018] 1, boiler body; 2, burner; 3, base; 4, supporting leg; 5, blowdown pipe; 6, water outlet pipe; 7, pressure gauge; 8, water inlet pipe; 9, smoke exhaust pipe; 10, left smoke box; 11, spray head; 12, first spiral smoke exhaust pipe; 13, right smoke box; 14, second spiral smoke exhaust pipe; 15, furnace; 16, connecting part. DETAILED DESCRIPTION
[0019] The technical scheme of the utility model will be further described in detail below with reference to the drawings and embodiments.
[0020] Unless otherwise defined, technical terms or scientific terms used in the present application shall have the ordinary meaning as understood by a person of ordinary skill in the art to which the present application pertains. The terms "first", "second", and similar terms used in the present application do not denote any order, quantity, or importance, but are used to distinguish different components. The terms "comprise", "include", and similar terms mean that the elements or objects before the term encompass the elements or objects listed after the term and their equivalents, without excluding other elements or objects. The terms "connect" or "connected" and similar terms do not limit to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The terms "upper", "lower", "left", "right", and the like are used only to indicate relative positions, and when the absolute positions of the described objects change, the relative positions may also change accordingly.
[0021] Embodiment
[0022] As shown in Figure 1 and Figure 2 , a high-efficiency heat-conducting fuel gas boiler includes a boiler body 1 and a burner 2 arranged on one side of the boiler body 1. The bottom of the boiler body 1 is provided with a base 3 for support, and the lower surface of the base 3 is provided with support legs 4. The bottom of the boiler body 1 is provided with a blowdown pipe 5.
[0023] As shown in Figure 2 , the boiler body 1 is internally provided with a furnace 15. One end of the furnace 15 is provided with a burner 2, the other end of the furnace 15 is provided with a right smoke box 13, the upper part of the furnace 15 is provided with a left smoke box 10, the left smoke box 10 and the right smoke box 13 are connected through a smoke exhaust pipe, the exhaust end of the left smoke box 10 is connected with a flue gas exhaust pipe 9, one side of the flue gas exhaust pipe 9 is provided with a water inlet pipe 8. The right smoke box 13 is arranged on the right side of the furnace 15, and the left smoke box 10 is arranged on the left side of the furnace 15.
[0024] The smoke exhaust pipe includes a first spiral smoke exhaust pipe 12 and a second spiral smoke exhaust pipe 14, which are arranged around the furnace 15. One end of the first spiral smoke exhaust pipe 12 and the second spiral smoke exhaust pipe 14 is connected with the right smoke box 13, and the other end of the first spiral smoke exhaust pipe 12 and the second spiral smoke exhaust pipe 14 is connected with the left smoke box 10.
[0025] The first spiral smoke exhaust pipe 12 and the second spiral smoke exhaust pipe 14 in spiral shape can increase the contact area of the smoke exhaust pipe with water, improve the heating area, and improve the utilization rate of high-temperature flue gas.
[0026] As shown in Figure 1 and Figure 2As shown, the boiler body 1 surface is provided with water outlet pipe 6 and pressure gauge 7 for detecting pressure for water, water outlet pipe 6 and water inlet pipe 8 are arranged at both ends of the boiler body 1. Water outlet pipe 6 is arranged on the surface of the end of the boiler body 1 provided with the burner 2, and the water inlet pipe 8 is arranged on the surface of the end of the boiler body 1 provided with the flue gas discharge pipe 9.
[0027] As shown in Figure 2 and Figure 3 The inlet end of the water inlet pipe is provided with a spray head 11, which is connected to the water inlet pipe 8 through a connecting part 16, and the spray head 11 is arranged inside the boiler body 1. The spray head 11 is arranged in a circular cone type, and the spray head 11 is arranged directly above the flue gas discharge pipe 9. The water temperature at the water inlet pipe 8 is low during the operation of the boiler, so the flue gas discharge pipe 9 is arranged directly below the water inlet pipe 8, so that the water at the water inlet pipe 8 with lower temperature can absorb the residual heat of the flue gas discharge pipe 9.
[0028] When the flue gas is discharged from the inside of the flue gas discharge pipe 9, part of the heat is left, and the water inlet pipe 8 is arranged directly above the flue gas discharge pipe 9, so that the water with lower temperature just flows through the flue gas discharge pipe 9 to absorb the residual heat of the flue gas discharge pipe 9, reduce the heat loss, and improve the heat conduction efficiency.
[0029] Therefore, the high-efficiency heat-conducting fuel gas boiler with the above structure is adopted, the threaded smoke exhaust pipe is arranged, the contact area of the smoke exhaust pipe and the water body is increased, the heating area is improved, the water inlet pipe is arranged directly above the flue gas discharge pipe, the water with lower heating temperature is heated, the flue gas heat is further utilized, the flue gas heat loss is reduced, and the heat conduction efficiency is high.
[0030] Finally, it should be pointed out that: the above examples are only used to illustrate the technical scheme of the utility model and not to limit it, although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical scheme of the utility model can still be modified or replaced, and these modifications or replacements cannot make the modified technical scheme deviate from the spirit and scope of the utility model technical scheme.
Claims
1. A high efficiency, heat conductive oil or gas fired boiler, characterized in that: The boiler body is internally provided with a furnace, one end of the furnace is provided with the burner, the other end of the furnace is provided with a right smoke box, the upper portion of the furnace is provided with a left smoke box, the left smoke box and the right smoke box are connected through a smoke exhaust pipe, the left smoke box is connected with a flue gas exhaust pipe at the exhaust end, and the flue gas exhaust pipe is provided with a water inlet pipe at one side.
2. A high efficient heat conducting fuel oil and gas boiler as claimed in claim 1 wherein: The bottom of the boiler body is provided with a base for support, and the lower surface of the base is provided with supporting legs.
3. The high efficient heat conducting oil or gas fired boiler as claimed in claim 1 wherein said boiler comprises: The smoke exhaust pipe comprises a first spiral smoke exhaust pipe and a second spiral smoke exhaust pipe, the first spiral smoke exhaust pipe and the second spiral smoke exhaust pipe are arranged around the furnace, one end of the first spiral smoke exhaust pipe and the second spiral smoke exhaust pipe is connected with the right smoke box, and the other end of the first spiral smoke exhaust pipe and the second spiral smoke exhaust pipe is connected with the left smoke box.
4. The high efficient heat conducting oil or gas fired boiler as claimed in claim 1 wherein said boiler comprises: The right smoke box is arranged on the right side of the furnace, and the left smoke box is arranged above the left side of the furnace.
5. The high-efficiency thermally conductive oil / gas-fired boiler according to claim 1, characterized in that: The surface of the boiler body is provided with a water outlet pipe for water outlet and a pressure gauge for pressure detection, and the water outlet pipe and the water inlet pipe are arranged at both ends of the boiler body.
6. A high efficient heat conducting oil or gas fired boiler as claimed in claim 1 wherein: The inlet end of the water inlet pipe is provided with a spray head, the spray head is connected with the water inlet pipe through a connecting portion, and the spray head is arranged inside the boiler body; the spray head is in the shape of a circular truncated cone, and the spray head is arranged directly above the flue gas exhaust pipe.
7. The high-efficiency thermally conductive oil / gas-fired boiler according to claim 1, characterized in that: The bottom of the boiler body is provided with a blowdown pipe.