Efficient, energy-saving and environment-friendly hot blast stove
By setting up a collection box and filtering components in the hot air furnace, the problems of difficulty in collecting coal combustion ash and flue gas pollution are solved, and the effect of automatic collection of ash and effective filtering of flue gas is achieved, achieving the purpose of energy conservation and environmental protection.
Patent Information
- Application Number
- CN202420407434.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-04
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-03-04
AI Technical Summary
During the use of existing hot air furnaces, the ash generated by coal combustion is difficult to collect and requires manual treatment. The flue gas is directly discharged into the air, resulting in environmental pollution.
A high-efficiency, energy-saving and environmentally friendly hot air furnace is designed. The collection box is used to collect residual ash in the combustion chamber, and the flue gas is filtered through the filter assembly. The sponge layer and activated carbon layer are used to absorb odors and impurities, and finally the filtered flue gas is discharged through the discharge pipe.
It realizes automatic collection of coal combustion ash, saves manual processing time, and at the same time, effectively filters flue gas, reduces environmental pollution and achieves the purpose of energy conservation and environmental protection.
Smart Images

Figure CN222688212U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of hot blast stoves, and more specifically, to a high-efficiency, energy-saving and environment-friendly hot blast stove. Background Art
[0002] Hot blast furnace is a thermal power machine. It has become a replacement product for electric heat source and traditional steam power heat source in many industries. There are many varieties and complete series of hot blast furnaces. They can be divided into manual burning and machine burning according to the coal adding method, and can be divided into coal, oil, gas furnace, etc. according to the fuel type.
[0003] Based on the above, the inventors have found that: currently, during the use of the hot blast furnace, the ash produced by coal combustion is not easy to collect, and requires subsequent time-consuming manual processing. In addition, when the flue gas is discharged, most of it is directly discharged into the air, which easily causes pollution to the surrounding environment. Therefore, in view of this, the existing structure is studied and improved to provide a high-efficiency, energy-saving and environmentally friendly hot blast furnace, in order to achieve the purpose of having more practical value. Utility Model Content
[0004] 1. Technical problems to be solved
[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide a high-efficiency, energy-saving and environmentally friendly hot blast furnace, which can prevent the ash produced by coal combustion from being difficult to collect during the use of the hot blast furnace, requiring subsequent time-consuming manual processing. In addition, when the flue gas is discharged, most of it is discharged directly into the air, which easily causes pollution to the surrounding environment.
[0006] 2. Technical solution
[0007] To solve the above problems, the utility model adopts the following technical solutions.
[0008] A high-efficiency, energy-saving and environmentally friendly hot blast furnace comprises a furnace body, a furnace top is fixedly installed on the top of the furnace body, a connecting pipe is arranged on the top of the furnace top, a discharge pipe is threadedly connected to the top of the connecting pipe, a filter assembly is slidably connected to the inner top of the furnace body, and a mounting plate is fixedly installed on the inner side wall of the furnace body, a combustion chamber is clamped on one side of the mounting plate, a collecting box is fixedly installed on the bottom of the combustion chamber, an air inlet pipe and a delivery pipe are respectively fixedly installed on one side of the furnace body, an igniter is fixedly installed on the inner side of the mounting plate, and an air supply chamber is fixedly connected to one side of the mounting plate, and a limiting seat is fixedly installed on one side of the air supply chamber.
[0009] Furthermore, a feed port is provided on one side of the furnace body, a movable buckle is movably connected to one side of the feed port, and a clamping seat is clamped on one side of the movable buckle.
[0010] Furthermore, the connecting pipe passes through the furnace top and is connected to the filter assembly, and a threaded layer is provided above the connecting pipe.
[0011] Furthermore, two sets of guide rails are symmetrically provided on both sides of the filter assembly, and a sponge layer and an activated carbon layer are fixedly installed inside the filter assembly from top to top, respectively. Discharge ports are provided at the upper and lower parts of the filter assembly, and a handle is provided on one side of the filter assembly.
[0012] Furthermore, filter nets are respectively provided at the connections between the sponge layer and the activated carbon layer and the discharge port.
[0013] Furthermore, bolts are threadedly connected on both sides of the mounting plate, and the combustion chamber is composed of a combination of a card plate bonding plate, a latch and a residual ash leakage port. The bonding plates are provided in two groups, which are symmetrically arranged on both sides of the card plate, and each group is equipped with two latches. The card plate is connected to the limit seat by a snap-fitting manner, and the residual ash leakage port is fixed at the connection between the combustion chamber and the collection box.
[0014] Furthermore, a waste heat recovery chamber is provided on the inner side of the collecting box, and the waste heat recovery chamber is provided directly below the residual ash leakage port.
[0015] 3. Beneficial effects
[0016] Compared with the prior art, the advantages of the present invention are:
[0017] (1) In this scheme, a collection box is arranged directly below the combustion chamber, a clamping plate is used to clamp the box with a limit seat, and two sets of bonding plates and latches are used to fix the combustion chamber. When the coal is burned, the heat generated is transported to the outside through a conveying pipe to provide heating, and the ash generated falls through the residual ash outlet into the waste heat recovery chamber for collection. The heat in the waste heat recovery chamber can be transferred to the combustion chamber. The hot blast furnace saves energy while eliminating the need for manual and time-consuming processing of the residual ash.
[0018] (2) In this scheme, a filter assembly is provided to be slidably connected to the interior of the furnace body. After the flue gas is initially filtered through the filter, the activated carbon layer and the sponge layer absorb odor and impurities, and then the filter is used for further filtration. Finally, the filtered flue gas is discharged into the air through the discharge pipe on the connecting pipe. The overall environmental protection effect is good and no pollution is caused to the surrounding environment. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a three-dimensional schematic diagram of the utility model;
[0020] Figure 2 It is a schematic diagram of the furnace body of the utility model;
[0021] Figure 3 It is a schematic diagram of the combustion chamber of the utility model;
[0022] Figure 4 It is a schematic diagram of the filter assembly of the utility model.
[0023] Description of the numbers in the figure:
[0024] 1. Furnace body; 101. Feeding port; 102. Movable buckle; 103. Clamp; 2. Furnace top; 3. Connecting pipe; 31. Threaded layer; 4. Discharge pipe; 5. Filter assembly; 51. Guide rail; 52. Sponge layer; 53. Activated carbon layer; 54. Discharge port; 55. Handle; 6. Mounting plate; 61. Bolt; 7. Combustion chamber; 71. Clamp; 72. Laminating plate; 73. Latch; 74. Residual ash outlet; 8. Collection box; 81. Waste heat recovery chamber; 9. Air inlet pipe; 10. Delivery pipe; 11. Ignitor; 12. Air supply chamber; 13. Limit seat. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.
[0026] Example:
[0027] See also Figure 1-4 A high-efficiency, energy-saving and environmentally friendly hot blast furnace comprises a furnace body 1, a furnace top 2 is fixedly installed above the furnace body 1, a connecting pipe 3 is arranged above the furnace top 2, a discharge pipe 4 is threadedly connected to the top of the connecting pipe 3, the connecting pipe 3 and the discharge pipe 4 are used to discharge smoke, a filter assembly 5 is slidably connected to the top of the furnace body 1, the filter assembly 5 is used to filter the smoke, and a mounting plate 6 is fixedly installed on the inner side wall of the furnace body 1, the mounting plate 6 is used to install a combustion chamber 7, one side of the mounting plate 6 is clamped with the combustion chamber 7, and the combustion chamber A collecting box 8 is fixedly installed at the bottom of the chamber 7, and the collecting box 8 is used to collect residual ash. An air inlet pipe 9 and a conveying pipe 10 are fixedly installed on one side of the furnace body 1, and the air inlet pipe 9 and the conveying pipe 10 are used to intake air and convey warm air. An igniter 11 is fixedly installed on the inner side of the mounting plate 6, and the igniter 11 is used to burn coal. An air supply chamber 12 is fixedly connected to one side of the mounting plate 6, and the air supply chamber 12 is used for coal combustion. A limiting seat 13 is fixedly installed on one side of the air supply chamber 12, and the limiting seat 13 is used to limit the combustion chamber 7.
[0028] See also Figure 1 A feed port 101 is provided on one side of the furnace body 1, and a movable buckle 102 is movably connected to one side of the feed port 101, and a clamping seat 103 is clamped on one side of the movable buckle 102. By setting the clamping seat 103 and the movable buckle 102, the feed port 101 can be opened for loading.
[0029] See also Figure 1 and Figure 4 The connecting pipe 3 passes through the furnace top 2 and is connected to the filter assembly 5 , and a threaded layer 31 is provided above the connecting pipe 3 . The discharge pipe 4 can be connected by providing the connecting pipe 3 and the threaded layer 31 .
[0030] See also Figure 2 and Figure 4 Two sets of guide rails 51 are symmetrically provided on both sides of the filter component 5, and a sponge layer 52 and an activated carbon layer 53 are fixedly installed inside the filter component 5 from top to top, respectively. Discharge ports 54 are provided at the upper and lower parts of the filter component 5, and a handle 55 is provided on one side of the filter component 5. The filter component 5 can be quickly disassembled and assembled by setting the handle 55 and the guide rail 51.
[0031] See also Figure 4 Filters are provided at the connection between the sponge layer 52 and the activated carbon layer 53 and the discharge port 54. By providing the filter, the sponge layer 52 and the activated carbon layer 53, harmful gases and impurities in the smoke can be filtered.
[0032] See also Figure 2 and Figure 4 Bolts 61 are threadedly connected on both sides of the mounting plate 6. The combustion chamber 7 is composed of a clamping plate 71, a fitting plate 72, a latch 73 and an ash leakage port 74. The fitting plate 72 is provided in two groups, which are symmetrically arranged on both sides of the clamping plate 71, and each group is equipped with two latches 73. The clamping plate 71 is connected to the limit seat 13 by a clamping manner. The ash leakage port 74 is fixed at the connection between the combustion chamber 7 and the collecting box 8. The combustion chamber 7 can be fixed by arranging the fitting plate 72 and the latch 73.
[0033] See also Figure 2 and Figure 4 A waste heat recovery chamber 81 is provided on the inner side of the collecting box 8. The waste heat recovery chamber 81 is provided just below the waste ash leakage port 74. By providing the waste heat recovery chamber 81, waste ash can be collected and heat can be stored.
[0034] During use: the clamping plate 71 is connected with the limit seat 13, and then the combustion chamber 7 is installed and fixed by using two sets of fitting plates 72 and latches 73. The movable buckle 102 opens the feed port 101, and coal is added to the combustion chamber 7. The igniter 11 is ignited, and the coal is burned. The heat generated is transported to the outside through the conveying pipe 10 to provide heating, and the ash generated falls into the waste heat recovery chamber 81 through the residual ash leakage port 74 for collection. The heat in the waste heat recovery chamber 81 can be transferred to the combustion chamber 7. The filter component 5 is slidably connected to the inside of the furnace body 1. After the flue gas is initially filtered by the filter net, the activated carbon layer 53 and the sponge layer 52 absorb odor and impurities, and then filtered by the filter net. Finally, the filtered flue gas is discharged into the air through the exhaust pipe 4 on the connecting pipe 3. The overall environmental protection effect is good and will not cause pollution to the surrounding environment. While the hot blast furnace is energy-saving, it does not require manual time-consuming processing of residual ash.
[0035] Finally, it should be noted that in the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They 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. Therefore, they cannot be understood as limitations on the present invention.
[0036] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0037] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A high-efficiency, energy-saving and environmentally friendly hot blast furnace, comprising a furnace body (1), characterized in that: A furnace top (2) is fixedly mounted above the furnace body (1), a connecting pipe (3) is arranged above the furnace top (2), a discharge pipe (4) is threadedly connected to the top of the connecting pipe (3), a filter assembly (5) is slidably connected to the inner top of the furnace body (1), and a mounting plate (6) is fixedly mounted on the inner side wall of the furnace body (1), a combustion chamber (7) is clamped on one side of the mounting plate (6), a collection box (8) is fixedly mounted on the bottom of the combustion chamber (7), an air inlet pipe (9) and a delivery pipe (10) are respectively fixedly mounted on one side of the furnace body (1), an igniter (11) is fixedly mounted on the inner side of the mounting plate (6), and an air supply chamber (12) is fixedly connected to one side of the mounting plate (6), and a limiting seat (13) is fixedly mounted on one side of the air supply chamber (12).
2. The high-efficiency, energy-saving and environmentally friendly hot blast stove according to claim 1, characterized in that: A feed port (101) is provided on one side of the furnace body (1), a movable buckle (102) is movably connected to one side of the feed port (101), and a clamping seat (103) is clamped to one side of the movable buckle (102).
3. The high-efficiency, energy-saving and environmentally friendly hot air stove according to claim 1, characterized in that: The connecting pipe (3) passes through the furnace top (2) and is connected to the filter assembly (5), and a threaded layer (31) is provided above the connecting pipe (3).
4. The high-efficiency, energy-saving and environmentally friendly hot blast stove according to claim 1, characterized in that: Two sets of guide rails (51) are symmetrically arranged on both sides of the filter assembly (5), and a sponge layer (52) and an activated carbon layer (53) are fixedly installed inside the filter assembly (5) from top to bottom, respectively. The upper and lower parts of the filter assembly (5) are both provided with discharge ports (54), and a handle (55) is provided on one side of the filter assembly (5).
5. The high-efficiency, energy-saving and environmentally friendly hot blast stove according to claim 4, characterized in that: Filter screens are respectively provided at the connection points between the sponge layer (52) and the activated carbon layer (53) and the discharge port (54).
6. The high-efficiency, energy-saving and environmentally friendly hot blast stove according to claim 1, characterized in that: Bolts (61) are threadedly connected on both sides of the mounting plate (6). The combustion chamber (7) is composed of a clamping plate (71), a bonding plate (72), a latch (73) and a residual ash leakage port (74). The bonding plate (72) is provided in two groups, which are symmetrically arranged on both sides of the clamping plate (71), and each group is equipped with two latches (73). The clamping plate (71) is connected to the limiting seat (13) by a clamping method, and the residual ash leakage port (74) is fixed at the connection between the combustion chamber (7) and the collection box (8).
7. The high-efficiency, energy-saving and environmentally friendly hot blast stove according to claim 1, characterized in that: A waste heat recovery chamber (81) is provided on the inner side of the collection box (8), and the waste heat recovery chamber (81) is provided directly below the waste ash leakage port (74).