Energy-saving boiler equipment

By introducing crushing rods and screen plates into the boiler equipment for coal crushing and using the heat storage body to recover the heat of flue gas, the problems of insufficient coal combustion and unused flue gas heat in the existing boiler equipment are solved, and the combustion efficiency and Energy saving effect.

CN222298173UActive Publication Date: 2025-01-03JIANGSU NUOERXIN THERMAL ENERGY TECH CO LTD
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Patent Information

Application Number
CN202420208979.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-29
Publication Date
2025-01-03
Estimated Expiration
2034-01-29

AI Technical Summary

Technical Problem

Existing energy-saving boiler equipment cannot fully burn when burning coal, resulting in waste of resources and environmental pollution, and the combustion of the flue gas heat cannot be fully utilized.

Method used

An energy-saving boiler equipment including a feed box, a crushing rod, a screen plate and a heat storage body is designed. After crushing coal, it is burned in small particle size, and the flue gas heat is recovered using a filter and a heat storage body.

Benefits of technology

The adequacy of coal combustion and the reuse of flue gas heat are achieved, and the combustion efficiency and energy saving effect are improved.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222298173U_ABST
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Abstract

The utility model discloses energy-saving boiler equipment, and belongs to the technical field of boilers. Comprising a feeding box and an outer furnace body, the upper end of the feeding box is connected with a feeding hopper, a first smashing rod and a second smashing rod are arranged in the feeding hopper, a sieve plate is located below the first smashing rod and the second smashing rod, the lower end of the feeding box is connected with a discharging pipe, the discharging pipe communicates with the side wall of a combustion chamber through a discharging pipe, and the combustion chamber is located in the outer furnace body; an inner boiler body is arranged in the combustion chamber and connected with an outer boiler body through a connecting pipe, the side face of the inner boiler body is connected with a water inlet pipe, the side face of the outer boiler body is connected with a water outlet pipe, and one end of the flue is connected with a filter and a heat accumulator. Raw materials are smashed through the smashing rod, the smashed raw materials are filtered and then enter the combustion chamber to be combusted, the combustion effect of coal is improved, and combustion is more sufficient; after smoke exhausted after combustion is filtered, heat energy of the smoke is recycled and reused through a heat accumulator, and the effect of saving energy is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of boilers, in particular to energy-saving boiler equipment. Background Art

[0002] Coal with a low degree of coalification has more volatile matter. If the combustion conditions are not appropriate, coal with a high volatile matter is prone to produce unburned carbon particles, commonly known as "black smoke".

[0003] In the prior art, coal is burned in boiler energy-saving equipment and the circulating water therein is heated by utilizing the heat energy. However, the prior energy-saving equipment has the following disadvantages: (1) Coal of varying sizes entering the combustion chamber is generally burned directly, so that the coal cannot be fully burned in the boiler, which not only wastes a large amount of coal resources but also causes great pollution to the environment; (2) The flue gas after combustion is filtered and then directly discharged, so the heat of the flue gas cannot be fully utilized. Utility Model Content

[0004] In order to solve the above problems, the utility model provides an energy-saving boiler equipment.

[0005] The utility model is realized through the following technical solutions:

[0006] An energy-saving boiler device comprises a feed box and an outer furnace body, wherein the upper end of the feed box is connected to a feed hopper, a first crushing rod and a second crushing rod are arranged inside the feed hopper, the first crushing rod is connected to the output shaft of a first crushing motor outside the feed box, the second crushing rod is connected to the output shaft of a second crushing motor outside the feed box, a sieve plate is also fixed inside the feed box, the sieve plate is located below the first crushing rod and the second crushing rod, a discharge pipe is connected to the lower end of the feed box, the discharge pipe is communicated with the side wall of the combustion chamber through a discharge pipe, and the combustion chamber is connected to the discharge pipe. The chamber is located inside the outer furnace body, and an inner furnace body is arranged inside the combustion chamber. The inner furnace body and the outer furnace body are connected by a connecting pipe, a water inlet pipe is connected to the side of the inner furnace body, a water outlet pipe is connected to the side of the outer furnace body, an air blowing device is connected to the lower end of the inner furnace body, the air blowing device is connected to the air supply pipe on the side, the air supply pipe extends to the outside of the outer furnace body, an ash discharge chamber is arranged below the air blowing device, a flue is connected above the combustion chamber, the top of the flue extends to the outside of the outer furnace body, and one end of the flue is respectively connected to a filter and a heat storage body.

[0007] The angle between the sieve plate and the horizontal plane is 30-60°.

[0008] The angle between the sieve plate and the horizontal plane is 30°.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] The utility model utilizes a crushing rod to crush the raw materials, and after the crushing, the raw materials are filtered and then enter the combustion chamber for combustion, thereby realizing the combustion of small-size raw materials, improving the combustion effect of coal, and making the combustion more complete; the smoke emitted after combustion is filtered, and its heat energy is recovered and reused by using a heat storage body, which plays a role in saving energy. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model.

[0012] In the figure: 1. feed box; 2. feed hopper; 3. first crushing motor; 4. second crushing motor; 5. first crushing rod; 6. second crushing rod; 7. sieve plate; 8. discharge pipe; 9. discharge pipe; 10. inner furnace body; 11. outer furnace body; 12. connecting pipe; 13. water outlet pipe; 14. water inlet pipe; 15. ash discharge chamber; 16. air blowing device; 17. flue; 18. combustion chamber; 19. filter; 20. heat storage body; 21. air supply pipe. DETAILED DESCRIPTION

[0013] The utility model is further described below in conjunction with the accompanying drawings:

[0014] As shown in the attached figure of the instruction manual Figure 1 As shown, an energy-saving boiler device includes a feed box 1 and an outer furnace body 11, the upper end of the feed box 1 is connected to a feed hopper 2, a first crushing rod 5 and a second crushing rod 6 are arranged inside the feed hopper 2, the first crushing rod 5 is connected to the output shaft of a first crushing motor 3 outside the feed box 1, the second crushing rod 6 is connected to the output shaft of a second crushing motor 4 outside the feed box 1, a sieve plate 7 is also fixed inside the feed box 1, the sieve plate 7 is located below the first crushing rod 5 and the second crushing rod 6, the lower end of the feed box 1 is connected to a discharge pipe 8, the discharge pipe 8 is connected to the side wall of a combustion chamber 18 through a discharge pipe 9, and the combustion chamber 18 is located at the outer furnace body 11. Inside, an inner furnace body 10 is provided inside the combustion chamber 18, and the inner furnace body 10 is connected to the outer furnace body 11 by a connecting pipe 12. A water inlet pipe 14 is connected to the side of the inner furnace body 10, and a water outlet pipe 13 is connected to the side of the outer furnace body 11. The lower end of the inner furnace body 10 is connected to an air blowing device 16, and the air blowing device 16 is connected to an air supply pipe 21 on the side, and the air supply pipe 21 extends to the outside of the outer furnace body 11. An ash discharge chamber 15 is provided below the air blowing device 16, and a flue 17 is connected to the top of the combustion chamber 18. The top of the flue 17 extends to the outside of the outer furnace body 11, and one end of the flue 17 is respectively connected to a filter 19 and a heat storage body 20.

[0015] The sieve plate 7 is at an angle of 30-60° to the horizontal plane.

[0016] The sieve plate 7 forms an angle of 30° with the horizontal plane.

[0017] Example 1

[0018] An energy-saving boiler device comprises a feed box 1 and an outer furnace body 11, wherein the upper end of the feed box 1 is connected to a feed hopper 2, wherein a first crushing rod 5 and a second crushing rod 6 are arranged inside the feed hopper 2, wherein the first crushing rod 5 is connected to an output shaft of a first crushing motor 3 outside the feed box 1, and the second crushing rod 6 is connected to an output shaft of a second crushing motor 4 outside the feed box 1, wherein a sieve plate 7 is fixed inside the feed box 1, wherein the sieve plate 7 is located below the first crushing rod 5 and the second crushing rod 6, wherein a discharge pipe 8 is connected to the lower end of the feed box 1, wherein the discharge pipe 8 is connected to a side wall of a combustion chamber 18 through a discharge pipe 9, and wherein the combustion chamber 18 is located inside the outer furnace body 11 An inner furnace body 10 is provided inside the combustion chamber 18, and the inner furnace body 10 is connected to the outer furnace body 11 through a connecting pipe 12. A water inlet pipe 14 is connected to the side of the inner furnace body 10, and a water outlet pipe 13 is connected to the side of the outer furnace body 11. An air blowing device 16 is connected to the lower end of the inner furnace body 10, and the air blowing device 16 is connected to an air supply pipe 21 on the side, and the air supply pipe 21 extends to the outside of the outer furnace body 11. An ash discharge chamber 15 is provided below the air blowing device 16. A flue 17 is connected above the combustion chamber 18, and the top of the flue 17 extends to the outside of the outer furnace body 11. One end of the flue 17 is respectively connected to a filter 19 and a heat storage body 20.

[0019] The sieve plate 7 is at an angle of 30-60° to the horizontal plane.

[0020] The sieve plate 7 forms an angle of 30° with the horizontal plane.

[0021] In this embodiment, coal enters the interior of the feed box 1 from the feed hopper 2. Under the action of the first crushing rod 5 and the second crushing rod 6, the coal raw material is crushed into small-size raw materials and sieved by the screen plate 7. The small-size raw materials enter the down-feed pipe 9 from the discharge pipe 8 and enter the combustion chamber 18 for combustion. The water to be heated is introduced into the inner furnace body 10 from the water inlet pipe 14. The heated water enters the outer furnace body 11 from the connecting pipe 12 and is discharged from the water outlet pipe 13 for utilization.

[0022] The flue gas after combustion is discharged from the flue 17, filtered by the filter 19 in turn, and then passed through the heat storage body 20 to retain the heat in the flue gas in the heat storage body 20, and the heat in the heat storage body 20 can be reused; in the utility model, a crushing rod is used to crush the raw materials, and after crushing, it is filtered and then enters the combustion chamber for combustion, thereby realizing the combustion of small-particle raw materials, improving the combustion effect of coal, and burning more fully; after the flue gas discharged after combustion is filtered, its heat energy is recovered and reused by the heat storage body, which plays a role in saving energy.

[0023] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0024] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0025] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0026] In summary, the above are only preferred embodiments of the present invention and are not intended to limit the scope of implementation of the present invention. All equivalent changes and modifications to the shapes, structures, features and spirits described in the claims of the present invention should be included in the claims of the present invention.

Claims

1. An energy-saving boiler equipment, characterized in that: The invention comprises a feed box (1) and an outer furnace body (11), wherein the upper end of the feed box (1) is connected to a feed hopper (2), and a first crushing rod (5) and a second crushing rod (6) are arranged inside the feed hopper (2), wherein the first crushing rod (5) is connected to the output shaft of a first crushing motor (3) outside the feed box (1), and the second crushing rod (6) is connected to the output shaft of a second crushing motor (4) outside the feed box (1), and a sieve plate (7) is fixed inside the feed box (1), and the sieve plate (7) is located below the first crushing rod (5) and the second crushing rod (6), and the lower end of the feed box (1) is connected to a discharge pipe (8), and the discharge pipe (8) is connected to the side wall of a combustion chamber (18) through a discharge pipe (9), and the combustion chamber (18) is located inside the outer furnace body (11), and the combustion chamber (18) is located inside the outer furnace body (11). An inner furnace body (10) is provided inside the combustion chamber (18), and the inner furnace body (10) is connected to an outer furnace body (11) via a connecting pipe (12). A water inlet pipe (14) is connected to the side of the inner furnace body (10), and a water outlet pipe (13) is connected to the side of the outer furnace body (11). An air blowing device (16) is connected to the lower end of the inner furnace body (10), and the air blowing device (16) is connected to an air supply pipe (21) on the side, and the air supply pipe (21) extends to the outside of the outer furnace body (11). An ash discharge chamber (15) is provided below the air blowing device (16). A flue (17) is connected to the top of the combustion chamber (18), and the top end of the flue (17) extends to the outside of the outer furnace body (11). One end of the flue (17) is respectively connected to a filter (19) and a heat storage body (20).

2. The energy-saving boiler equipment according to claim 1, characterized in that: The screen plate (7) is at an angle of 30-60° to the horizontal plane.

3. The energy-saving boiler equipment according to claim 1 is characterized in that: The sieve plate (7) forms an angle of 30° with the horizontal plane.