Boiler with adjustable oxygen inlet

By setting equidistantly distributed gas supply pipes and gas inlet pipes below the horizontal boiler body and using a servo motor to adjust the disc, the problem of uneven oxygen distribution was solved, achieving uniform oxygen delivery in the combustion chamber and improving combustion efficiency.

CN223677820UActive Publication Date: 2025-12-16HEILONGJIANG COLLEGE OF CONSTR
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Patent Information

Application Number
CN202422840423.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-20
Publication Date
2025-12-16
Estimated Expiration
2034-11-20

AI Technical Summary

Technical Problem

The uneven distribution of oxygen in the combustion chamber of existing horizontal boilers leads to reduced fuel combustion efficiency.

Method used

Several equally spaced gas supply pipes and gas inlet pipes are set at the bottom of the furnace body. The oxygen intake of each gas supply pipe is adjusted by a servo motor-driven disc to achieve uniform oxygen delivery in the combustion chamber.

Benefits of technology

Oxygen is evenly distributed in the combustion chamber, which improves the combustion efficiency of the fuel.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223677820U_ABST
    Figure CN223677820U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of boilers, in particular to a boiler with an adjustable oxygen inlet, which comprises a boiler body, an oxygen inlet mechanism is arranged on the boiler body and is used for introducing external oxygen, and the oxygen inlet mechanism comprises a main body component, an oxygen outlet component and an oxygen outlet component, and the main body component comprises an air inlet pipe arranged below the boiler body and an air inlet fixedly communicated with the upper end of the middle of the air inlet pipe; the lower end of the air inlet pipe is communicated with four fixed air delivery pipes, and the upper ends of the air delivery pipes are communicated with four fixed air inlet pipes; the adjusting assembly is arranged on the main body assembly and is used for adjusting the oxygen inlet amount; the adjusting assembly further comprises a valve body fixed between the air inlet pipe and the air conveying pipe, a butterfly plate rotationally installed in the valve body, rotating rods fixed to one end of the butterfly plate, and connecting rods jointly pivoted between the rotating rods. Oxygen is introduced into different positions in the combustion chamber through the multiple gas inlet pipes, so that the oxygen is evenly conveyed to the combustion chamber, and the oxygen inlet amount of each gas conveying pipe is adjusted by synchronously controlling each adjusting assembly.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a boiler technical field, concretely is a kind of adjustable boiler of oxygen inlet. BACKGROUND

[0002] Horizontal boiler is a kind of heat conversion equipment, its main body is horizontally arranged. It uses the heat generated by fuel combustion to heat water into steam or hot water, thereby providing heat energy. Horizontal boiler is compact in structure, small in floor area, and convenient to install and transport. It is widely used in heating, hot water supply, industrial steam and other fields. Horizontal boiler has the advantages of high efficiency, safety, environmental protection and the like, and is indispensable equipment in many industries;

[0003] According to the patent No. CN218821006U, a kind of industrial boiler with adjusting function is disclosed, which includes: boiler shell, the inside of the boiler shell is respectively installed with back burning chamber and corrugated furnace, the upper left side of the boiler shell is inserted and installed with heat exchange pipe;Oxygen supply assembly, the gas outlet of oxygen supply assembly is located in the inside of the boiler shell, and is connected with the gas inlet formed in the bottom of corrugated furnace, and the like technical scheme is disclosed in this technology, which has the technical effects of "oxygen concentration sensor detects the oxygen concentration in the air passing through the mixing pipe, when the oxygen is thin, oxygen supplement operation is carried out, so that the oxygen concentration delivered to the inside of corrugated furnace reaches the degree sufficient for gas combustion, thereby ensuring the combustion intensity, at the same time, if the oxygen concentration sensor measures that the oxygen content is sufficient, the opening of adjustable control valve can be adjusted or the control valve can be directly closed, to reduce or directly close the oxygen supplement, realize the adjustment of oxygen feeding, the structure is more optimized, and the design is more reasonable";

[0004] The above scheme improves the uniformity and comprehensiveness of oxygen delivered to the inside of corrugated furnace by setting multiple oxygen distribution branch pipes;However, since the oxygen distribution branch pipes are all arranged below, the oxygen is mainly concentrated in the lower part of the furnace, causing uneven oxygen distribution between the lower part and the upper part, affecting the complete combustion of fuel and reducing the combustion efficiency. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a kind of adjustable boiler of oxygen inlet, with the characteristics that oxygen is introduced into combustion chamber at different positions by multiple gas inlet pipes, so that oxygen is uniformly delivered to combustion chamber, and each oxygen inlet amount of each gas pipe is adjusted by synchronously controlling each adjusting assembly.

[0006] To achieve the above purpose, the utility model is implemented by the following technical scheme: a kind of adjustable boiler of oxygen inlet, including furnace body, oxygen inlet mechanism is arranged on the furnace body and used to introduce external oxygen, and the oxygen inlet mechanism includes:

[0007] The main body assembly comprises an air inlet pipe arranged below the furnace body, an air inlet fixedly connected to the upper end of the middle part of the air inlet pipe, four air conveying pipes fixedly connected to the lower end of the air inlet pipe, and four air inlet pipes fixedly connected to the upper end of the air conveying pipes;

[0008] The adjusting assembly is arranged on the main body assembly and used for adjusting the oxygen inlet amount.

[0009] Preferably, the adjusting assembly further comprises valve bodies fixed between the air inlet pipe and the air conveying pipes, butterfly plates rotatably arranged in the valve bodies, rotating rods fixed to one end of the butterfly plates, and connecting rods pivotally connected between the rotating rods.

[0010] Preferably, the main body assembly further comprises a fixing frame fixedly arranged on the outer wall of the air inlet pipe, and the fixing frame is fixed to the outer wall of the furnace body.

[0011] Preferably, the adjusting assembly further comprises a mounting frame fixed to the outer wall of one of the valve bodies, and a servo motor mounted on the outer wall of the mounting frame and used for driving the butterfly plates.

[0012] Preferably, a combustion chamber is arranged at the lower end of the inner part of the furnace body, the upper end of the air inlet pipe is fixedly connected to the combustion chamber, a heat exchange pipe is arranged at the upper end of the inner part of the furnace body, a door section is fixed to the right end of the furnace body, a burner is arranged on the outer part of the door section and connected to the combustion chamber.

[0013] Preferably, a chimney is fixed to the left end of the furnace body, a water inlet is fixedly connected to the upper end of the furnace body, a water outlet is fixedly connected to the lower end of the furnace body, and a base is fixed to the bottom of the furnace body.

[0014] Advantages

[0015] Compared with the prior art, the boiler has the following advantages

[0016] Advantages:

[0017] (1) By arranging a plurality of equidistantly distributed air conveying pipes below the furnace body, arranging a plurality of equidistantly distributed air inlet pipes on the air conveying pipes, fixedly connecting the upper end of the air inlet pipes at the middle position to the lower end of the combustion chamber, fixedly connecting the upper end of the air inlet pipes at the middle two sides to the lower end of the combustion chamber, and fixedly connecting the upper end of the air inlet pipes at the outer two sides to the middle lower position of the combustion chamber, oxygen is discharged into the lower part of the combustion chamber, the central part of the combustion chamber, and the upper part of the combustion chamber, so that oxygen is uniformly conveyed to the combustion chamber.

[0018] (2) The output end of the servo motor drives the butterfly plates to rotate, the rotating rods are driven to rotate by the butterfly plates, the other rotating rods are driven to rotate synchronously by the connecting rods, and the other rotating rods drive the corresponding butterfly plates to flip synchronously, so that the adjusting assembly can synchronously control the oxygen inlet amount of each air conveying pipe. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0020] Figure 2 It is a structure schematic view of the inside of the furnace body in the utility model;

[0021] Figure 3 It is a structure schematic view of the oxygen inlet mechanism in the utility model;

[0022] Figure 4 It is a structure schematic view of the inside of the valve body in the utility model.

[0023] In the figure: 1, furnace body; 2, oxygen inlet mechanism; 21, main body assembly; 211, air inlet pipe; 212, air inlet; 213, gas conveying pipe; 214, gas inlet pipe; 215, fixing frame; 22, adjusting assembly; 221, valve body; 222, butterfly plate; 223, mounting frame; 224, servo motor; 225, rotating rod; 226, connecting rod; 3, combustion chamber; 4, heat exchange pipe; 5, door joint; 6, burner; 7, chimney; 8, water inlet; 9, drain; 10, base. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Please refer to Figures 1-4 The utility model provides a kind of oxygen inlet adjustable boiler technical scheme: a kind of oxygen inlet adjustable boiler, including furnace body 1, furnace body 1 is provided with oxygen inlet mechanism 2 and is used to introduce external oxygen, oxygen inlet mechanism 2 includes:

[0026] Main body assembly 21, including the air inlet pipe 211 being arranged below furnace body 1, the air inlet 212 being fixedly connected in the middle upper end of air inlet pipe 211, the four gas conveying pipes 213 being fixedly connected in the lower end of air inlet pipe 211, the four gas inlet pipes 214 being fixedly connected in the upper end of gas conveying pipe 213;

[0027] Adjusting assembly 22 is arranged on main body assembly 21 and is used to adjust oxygen intake.

[0028] In the embodiment, the oxygen is uniformly delivered to the combustion chamber 3 by arranging a plurality of air supply pipes 213 below the furnace body 1, arranging a plurality of air inlet pipes 214 on the air supply pipes 213, and connecting the upper ends of the air inlet pipes 214 at the middle position to the lower end of the combustion chamber 3, connecting the upper ends of the air inlet pipes 214 at the two sides of the middle position to the upper position of the lower end of the combustion chamber 3, and connecting the upper ends of the air inlet pipes 214 at the two sides of the outer position to the middle position of the lower end of the combustion chamber 3.

[0029] Specifically, the adjusting assembly 22 further comprises a valve body 221 fixed between the air inlet pipe 211 and the air supply pipe 213, a butterfly plate 222 rotatably arranged in the valve body 221, a rotating rod 225 fixed to one end of the butterfly plate 222, a connecting rod 226 pivotally connected between the rotating rods 225, a mounting frame 223 fixed to the outer wall of one of the valve bodies 221, and a servo motor 224 mounted on the outer wall of the mounting frame 223 and used to drive the butterfly plate 222.

[0030] In the embodiment, the servo motor 224 drives the butterfly plate 222 to rotate the rotating rod 225, and the rotating rod 225 drives the other rotating rods 225 to rotate synchronously through the connecting rod 226, and the other rotating rods 225 drive the corresponding butterfly plates 222 to flip synchronously, thereby achieving synchronous control of the adjusting assembly 22 on the oxygen flow of each air supply pipe 213.

[0031] Specifically, the main body assembly 21 further comprises a fixing frame 215 fixedly sleeved on the outer wall of the air inlet pipe 214, and the fixing frame 215 is fixed to the outer wall of the furnace body 1.

[0032] In the embodiment, the fixing frame 215 is fixed to the outer wall of the furnace body 1, so that the furnace body 1 can share the load of the adjusting assembly 22.

[0033] Specifically, the lower end of the inner portion of the furnace body 1 is provided with the combustion chamber 3, the upper end of the air inlet pipe 214 is fixedly connected to the combustion chamber 3, the upper end of the inner portion of the furnace body 1 is provided with the heat exchange pipe 4, the right end of the furnace body 1 is fixedly provided with the door section 5, the outer portion of the door section 5 is provided with the burner 6, and the burner 6 is in communication with the combustion chamber 3.

[0034] In the embodiment, fuel is introduced into the burner 6, mixed with oxygen introduced by the oxygen inlet mechanism 2 to form combustible mixed gas, ignited after entering the combustion chamber 3, and releases a large amount of heat energy, which is transferred to the heat exchange pipe 4.

[0035] Specifically, the left end of the furnace body 1 is fixedly provided with the chimney 7, the upper end of the furnace body 1 is fixedly provided with the water inlet 8, the lower end of the furnace body 1 is fixedly provided with the water outlet 9, and the bottom of the furnace body 1 is fixedly provided with the base 10.

[0036] In this embodiment, the water flow is delivered to the inside of the furnace body 1 through the water inlet 8, heated, and then discharged through the water outlet 9 to other equipment or heating system.

[0037] The working principle and use process of the utility model are as follows: firstly, the oxygen storage equipment is connected with the air inlet 212, oxygen enters the air inlet pipe 211 from the air inlet 212, and then the oxygen amount is adjusted through the adjusting assembly 22, and then enters the gas delivery pipe 213, and then enters the inside of the combustion chamber 3 through the air inlet pipe 214; since the furnace body 1 is provided with a plurality of equidistantly distributed gas delivery pipes 213 below, and a plurality of equidistantly distributed air inlet pipes 214 are arranged on the gas delivery pipes 213, the upper end of the air inlet pipe 214 at the middle position is communicated and fixed at the lower end of the combustion chamber 3, so that the oxygen is discharged into the lower part of the inside of the combustion chamber 3, the upper end of the air inlet pipe 214 at the middle two sides is communicated and fixed at the upper position of the lower end of the combustion chamber 3, so that the oxygen is discharged into the central part of the inside of the combustion chamber 3, and the upper end of the air inlet pipe 214 at the outer two sides is communicated and fixed at the lower position of the middle of the combustion chamber 3, so that the oxygen is discharged into the upper part of the inside of the combustion chamber 3, so that the oxygen is uniformly delivered to the combustion chamber 3.

[0038] It should be noted that in this document, the terms such as first and second are used only 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", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0039] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A boiler with adjustable oxygen inlet comprising a furnace (1), characterized in that: The furnace body (1) is provided with an oxygen inlet mechanism (2) for introducing external oxygen, and the oxygen inlet mechanism (2) comprises: A main body assembly (21) comprising an air inlet pipe (211) arranged below the furnace body (1), an air inlet (212) fixedly connected to the upper end of the middle part of the air inlet pipe (211), four gas conveying pipes (213) fixedly connected to the lower end of the air inlet pipe (211), and four air inlet pipes (214) fixedly connected to the upper end of the gas conveying pipes (213); An adjusting assembly (22) arranged on the main body assembly (21) and used for adjusting the oxygen inlet amount.

2. A boiler with adjustable oxygen inlet according to claim 1, characterized in that: The adjusting assembly (22) further comprises valve bodies (221) fixed between the air inlet pipe (211) and the gas conveying pipe (213), butterfly plates (222) rotatably installed inside the valve bodies (221), rotating rods (225) fixed to one end of the butterfly plates (222), and connecting rods (226) pivotally connected between each of the rotating rods (225).

3. A boiler with adjustable oxygen inlet according to claim 1, characterized in that: The main body assembly (21) further comprises a fixing frame (215) fixedly sleeved on the outer wall of the air inlet pipe (214), and the fixing frame (215) is fixed to the outer wall of the furnace body (1).

4. A boiler with adjustable oxygen inlet according to claim 2, characterized in that: The adjusting assembly (22) further comprises a mounting frame (223) fixed to the outer wall of one of the valve bodies (221), and a servo motor (224) mounted on the outer wall of the mounting frame (223) and used for driving the butterfly plate (222).

5. The oxygen inlet adjustable boiler according to claim 1, characterized in that: The lower end of the inside of the furnace body (1) is provided with a combustion chamber (3), the upper end of the air inlet pipe (214) is fixedly connected to the combustion chamber (3), the upper end of the inside of the furnace body (1) is provided with a heat exchange pipe (4), the right end of the furnace body (1) is fixedly provided with a door section (5), the outside of the door section (5) is provided with a burner (6), and the burner (6) is connected to the combustion chamber (3).

6. The oxygen inlet adjustable boiler according to claim 1, characterized in that: The left end of the furnace body (1) is fixedly provided with a chimney (7), the upper end of the furnace body (1) is fixedly provided with a water inlet (8), the lower end of the furnace body (1) is fixedly provided with a drain outlet (9), and the bottom of the furnace body (1) is fixedly provided with a base (10).

Citation Information

Patent Citations

  • An industrial boiler with adjustable function

    CN218821006U