Furnace mouth anti-blocking structure of decomposing furnace
By installing an inclined layer and a lower installation layer above the inner wall of the decomposition furnace cutting pipe, and using structures such as connecting frames and separation pipes, the blockage and unevenness caused by the single cutting structure of the decomposition furnace is solved, and more efficient raw materials are achieved Anti-blocking effect of powder decomposition and decomposition furnace mouth.
Patent Information
- Application Number
- CN202420341361.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-23
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-02-23
AI Technical Summary
The existing decomposition furnace has a single feed structure and is prone to blockage, resulting in uneven decomposition and bonding of raw material powder, reducing the decomposition efficiency.
A decomposition furnace port anti-blocking structure is designed. By installing an inclined layer and a lower installation layer above the inner wall of the cut pipe, the useful area of the decomposition furnace port is increased, and the connecting frame, separation pipe and guide pipe structure is used to facilitate the raw material powder. Gradually separate and convey to avoid clogging and bonding.
It effectively avoids clogging of the decomposition furnace port, improves the decomposition efficiency and uniformity of the raw material powder, and enhances the practicality of the anti-blocking structure of the decomposition furnace port.
Smart Images
Figure CN222298513U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of decomposition furnaces, in particular to a decomposition furnace port anti-blocking structure. Background Art
[0002] The decomposition furnace is a very important equipment in the pre-decomposition system. It undertakes the heavy tasks of fuel combustion, heat exchange and carbonate decomposition in the pre-decomposition system. Since the raw meal and fuel are fully dispersed, mixed and evenly distributed in the furnace, the fuel can be quickly and completely burned in the furnace, and the combustion heat can be transferred to the material in time. The carbonate components in the raw meal can quickly absorb heat and decompose, and the released carbon dioxide can be removed in time. The decomposition rate of the material in the decomposition furnace is an important indicator to measure the thermal performance of the decomposition furnace, and the state of the material entering the decomposition furnace is the key factor determining the decomposition rate of the material.
[0003] The existing Chinese utility model patent with reference announcement number CN211012447U discloses a decomposition furnace. The utility model includes a furnace body, a cone with a downwardly pointed tip is constructed at the bottom of the furnace body, the cone is connected to the smoke chamber at the tail of the rotary kiln, and the tertiary air duct arranged on the furnace body is connected close to the cone; a feed pipe for conveying powder into the furnace body is provided on the furnace body, which includes two third-level feed pipes connected to the furnace body and close to the tertiary air duct, and two fourth-level feed pipes connected to the smoke chamber; the decomposition furnace also includes two first coal nozzles connected to the bottom of the cone and arranged oppositely, and a second coal nozzle connected to the smoke chamber. The decomposition furnace described in the utility model can improve the sufficiency of combustion in the decomposition furnace and reduce the emission of nitrogen oxides in the flue gas.
[0004] The above-mentioned decomposition furnace adds raw material powder into the furnace body through the discharge pipe furnace mouth, but the discharge structure is relatively simple, and blockage occurs during the raw material powder addition process, which affects the decomposition work of the raw material powder in the decomposition furnace body, reduces the decomposition efficiency of the raw material powder, causes uneven decomposition of the raw material, and causes sticking. Utility Model Content
[0005] 1. Technical issues to be solved
[0006] In view of the deficiencies in the prior art, the utility model provides a decomposition furnace mouth anti-blocking structure, which has the advantages of increasing the structural use of the decomposition furnace discharge pipe mouth, avoiding uneven decomposition of raw materials and the occurrence of sticking, thereby solving the above-mentioned technical problems.
[0007] (II) Technical solution
[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: the anti-blocking structure of the furnace mouth of the decomposition furnace comprises a decomposition furnace body for decomposing raw material powder, a feeding pipe for the furnace mouth of the decomposition furnace is fixedly installed on one side of the upper side of the decomposition furnace body, a groove for installing a lower installation layer is fixedly installed at the lower part of the inner wall of the feeding pipe, an inclined layer for separating raw material powder is fixedly installed above the inner wall of the feeding pipe, a baffle for guiding is fixedly installed at the upper edge of the inclined layer, a lower installation layer for gradually separating and conveying is fixedly installed on the inner wall of the groove, a separation port for coordinated use is fixedly installed on one end of the baffle, a connection frame for connecting and installing is fixedly installed on one side of the separation port, a separation pipe for discharging part of the raw material powder is fixedly installed on one side of the connection frame, a guide pipe for conveying part of the raw material powder into the installation pipe is fixedly installed on one end of the separation pipe, and one end of the guide pipe is fixedly installed at the lower part of the inner wall of the feeding pipe.
[0009] As the preferred technical solution of the utility model, a protective box is fixedly installed above the outer surface of the decomposition furnace body, a conveying pipe is fixedly installed below the decomposition furnace body, and a rotary kiln is fixedly installed at one end of the conveying pipe; the rotary kiln and the decomposition furnace body structure are used in combination for raw material powder processing.
[0010] As the preferred technical solution of the utility model, a connecting pipe is fixedly installed below the feeding pipe, a mounting pipe is fixedly installed below the connecting pipe, an inner pipe is fixedly installed at one end of the mounting pipe; one end of the inner pipe passes through the feeding pipe and the mounting pipe for connection and cooperation.
[0011] As a preferred technical solution of the utility model, the mounting pipe is fixedly mounted on the inner wall of the protection box, and the inner pipe is fixedly mounted above the inner wall of the decomposition furnace body; the inner pipe is used to transport the raw material powder into the decomposition furnace body.
[0012] As a preferred technical solution of the utility model, a sealing sleeve is fixedly installed on the outer surface of the connecting pipe, and the lower part of the sealing sleeve is fixedly installed above the protective box; the sealing sleeve increases the sealing performance of the structural docking point.
[0013] As a preferred technical solution of the utility model, the connection frame is fixedly installed on one side of the outer surface of the feeding tube, and the separation tube is fixed on one side of the outer surface of the feeding tube; the separation tube is correspondingly installed on the outside of the feeding tube.
[0014] As a preferred technical solution of the utility model, the guide tube is fixedly passed through the lower inner wall of the discharge tube, and the baffle is fixedly installed above the inner wall of the discharge tube; the baffle facilitates guiding part of the raw meal powder to the separation port structure for discharge and use.
[0015] Compared with the prior art, the utility model provides a decomposition furnace port anti-blocking structure, which has the following beneficial effects:
[0016] 1. The utility model increases the use area of the furnace mouth of the feed pipe of the decomposition furnace, so that an inclined layer is arranged above the inner wall of the feed pipe, and a groove is embedded below the inner wall of the feed pipe. The groove is used to install the lower installation layer. The inclined layer and the lower installation layer structure are penetrated by a plurality of through holes, which is convenient for gradually adding raw material powder to the decomposition furnace for decomposition work, avoiding the blockage of raw material powder at the feeding furnace mouth of the decomposition furnace, conveniently improving and reducing the decomposition efficiency of raw material powder, and conveniently improving the practicality of the anti-blocking structure of the furnace mouth of the decomposition furnace;
[0017] 2. The utility model uses the inclined layer in conjunction with the connecting frame, the separation tube, and the guide tube structure to separate and transport part of the raw material powder to the decomposition furnace for decomposition, effectively avoiding the sticking of the raw material powder, improving the uniformity of raw material decomposition, and further improving the use effect of the anti-blocking structure of the decomposition furnace mouth. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is an overall schematic diagram of the utility model;
[0019] Figure 2 This is a schematic diagram of the feed pipe of the utility model;
[0020] Figure 3 This is a schematic diagram of the interior of the protective box of the utility model;
[0021] Figure 4 It is a schematic diagram of the inclined layer of the utility model.
[0022] Among them: 1. decomposition furnace body; 2. feeding pipe; 21. connecting pipe; 22. installation pipe; 23. internal pipe; 24. sealing sleeve; 25. groove; 26. inclined layer; 27. baffle; 28. lower installation layer; 29. separation port; 210. connection frame; 211. separation pipe; 212. guide pipe; 3. protection box; 4. conveying pipe; 5. rotary kiln. DETAILED DESCRIPTION
[0023] The following is a further detailed description of the implementation of the present utility model in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.
[0024] In the description of the present invention, unless otherwise specified, "multiple" means two or more than two; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" 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 an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0026] Combined with Figure 1-Figure 4 In the present embodiment, the anti-blocking structure of the furnace mouth of the decomposition furnace comprises a decomposition furnace body 1, a feeding pipe 2 is fixedly installed on the upper side of the decomposition furnace body 1, a groove 25 is fixedly installed at the lower part of the inner wall of the feeding pipe 2, an inclined layer 26 is fixedly installed on the upper part of the inner wall of the feeding pipe 2, a baffle 27 is fixedly installed at the upper edge of the inclined layer 26, a lower installation layer 28 is fixedly installed on the inner wall of the groove 25, a separation port 29 is fixedly installed at one end of the baffle 27, a connecting frame 210 is fixedly installed on one side of the separation port 29, a separation pipe 211 is fixedly installed on one side of the connecting frame 210, a guide pipe 212 is fixedly installed at one end of the separation pipe 211, and one end of the guide pipe 212 is fixedly installed at the lower part of the inner wall of the feeding pipe 2.
[0027] Specifically, by installing a feed pipe 2 structure on one side above the decomposition furnace body 1, the feed pipe 2 forms a furnace mouth structure of the decomposition furnace body 1, which is convenient for adding raw material powder into the decomposition furnace body 1 for decomposition and processing. By installing an inclined layer 26 above the inner wall of the feed pipe 2, a groove 25 structure is embedded in the inner wall of the feed pipe 2, and the inner wall of the groove 25 is used to install the lower installation layer 28 structure. A number of through-hole structures are installed through the lower installation layer 28 and the inclined layer 26 structure, which is convenient for gradually conveying the raw material powder into the decomposition furnace body 1. At the same time, it is also convenient to control the flow rate of the raw material powder, avoid blockage of the decomposition furnace intersection structure, and facilitate the use of the decomposition furnace mouth anti-blocking structure.
[0028] A protection box 3 is fixedly installed above the outer surface of the decomposition furnace body 1 , a conveying pipe 4 is fixedly installed below the decomposition furnace body 1 , and a rotary kiln 5 is fixedly installed at one end of the conveying pipe 4 .
[0029] A connecting pipe 21 is fixedly installed below the feeding pipe 2 , a mounting pipe 22 is fixedly installed below the connecting pipe 21 , and an inner pipe 23 is fixedly installed at one end of the mounting pipe 22 .
[0030] The mounting pipe 22 is fixedly mounted on the inner wall of the protection box 3 , and the inner pipe 23 is fixedly mounted above the inner wall of the decomposition furnace body 1 .
[0031] Specifically, a protective box 3 is installed on the outer surface of the decomposition furnace body 1, which is convenient for protecting the installation pipe 22 and for adding the installation pipe 22 and connecting it with the internal pipe 23. At the same time, a conveying pipe 4 is installed under the decomposition furnace body 1, and one end of the conveying pipe 4 is connected to the rotary kiln 5, so that the decomposed raw material powder can be transported to the rotary kiln 5 for processing, which facilitates the coordination between the decomposition furnace and the rotary kiln 5 structures.
[0032] A sealing sleeve 24 is fixedly mounted on the outer surface of the connecting pipe 21 , and the lower part of the sealing sleeve 24 is fixedly mounted above the protection box 3 .
[0033] The connection frame 210 is fixedly mounted on one side of the outer surface of the feed tube 2 , and the separation tube 211 is fixed on one side of the outer surface of the feed tube 2 .
[0034] The guide tube 212 is fixedly passed through the lower part of the inner wall of the feeding tube 2 , and the baffle plate 27 is fixedly installed above the inner wall of the feeding tube 2 .
[0035] Specifically, a sealing sleeve 24 is installed on the outer surface of the connecting pipe 21, and the sealing sleeve 24 corresponds to the top of the protection box 3. The sealing sleeve 24 is used to increase the sealing of the connection between the connecting pipe 21 and the protection box 3, which is convenient for increasing the practicality of the connection between the connecting pipe 21 and the protection box 3, avoiding damage to the connecting pipe 21 during installation and use, and further increasing the use of the anti-blocking structure of the decomposition furnace mouth.
[0036] Working principle: by installing a feed pipe 2 above the decomposition furnace body 1, the feed pipe 2 is used to add raw material powder into the decomposition furnace body 1 for decomposition and processing. The inner wall of the feed pipe 2 is provided with an inclined layer 26. The inclined layer 26 is used to separate small raw material powder. By installing a baffle 27 at the upper edge of the inclined layer 26, the baffle 27 is convenient for separating a small part of the raw material powder to the separation port 29 structure. The separation port 29 penetrates and is connected to the outer connecting frame 210, so that a small part of the raw material powder is transported to the separation pipe 211, and then most of the raw material powder is transported to the upper part of the lower installation layer 28 through the through holes of the inclined layer 26. The structure of the lower installation layer 28 penetrates a number of through holes, so that the through holes transport this part of the raw material powder to the connecting pipe 21. The lower part of the connecting pipe 21 is connected to the installation pipe 22. The installation pipe 22 is connected to the inner pipe 23 through the feed pipe 2. The inner pipe 23 is arranged above the inside of the decomposition furnace body 1, so that the raw material powder can be transported to the decomposition furnace body 1 for processing and use, and then the separation tube 211 is in a curved state, so that the flow speed of the raw material powder in the separation tube 211 is not as fast as the vertical speed of the connecting tube 21, which is convenient for separating and transporting the raw material powder to the decomposition furnace body 1 for decomposition and use. One end of the separation tube 211 is connected to the guide tube 212, and the guide tube 212 passes through the protection box 3 and is connected to the installation tube 22, so that a small part of the raw material powder can be transported to the installation tube 22, and then the installation tube 22 transports the raw material flying powder to the inner pipe 23, so that the small part of the raw material powder can be transported to the decomposition furnace body 1 for decomposition and use. The bottom of the decomposition furnace body 1 is connected to the conveying pipe 4, and the conveying pipe 4 is connected to the rotary kiln 5. The decomposed raw material powder is transported to the rotary kiln 5 through the conveying pipe 4, and then discharged through the rotary kiln 5.
[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A decomposition furnace port anti-blocking structure, comprising a decomposition furnace body (1), characterized in that: A feed pipe (2) is fixedly mounted on one side above the decomposition furnace body (1); a groove (25) is fixedly mounted below the inner wall of the feed pipe (2); an inclined layer (26) is fixedly mounted above the inner wall of the feed pipe (2); a baffle (27) is fixedly mounted at the upper edge of the inclined layer (26); a lower mounting layer (28) is fixedly mounted on the inner wall of the groove (25); a separation port (29) is fixedly mounted on one end of the baffle (27); a connection frame (210) is fixedly mounted on one side of the separation port (29); a separation pipe (211) is fixedly mounted on one side of the connection frame (210); a guide pipe (212) is fixedly mounted on one end of the separation pipe (211); one end of the guide pipe (212) is fixedly mounted below the inner wall of the feed pipe (2).
2. A decomposition furnace port anti-blocking structure according to claim 1, characterized in that: A protection box (3) is fixedly installed above the outer surface of the decomposition furnace body (1), a conveying pipe (4) is fixedly installed below the decomposition furnace body (1), and a rotary kiln (5) is fixedly installed at one end of the conveying pipe (4).
3. The anti-blocking structure for a decomposition furnace port according to claim 1, characterized in that: A connecting pipe (21) is fixedly installed below the feed pipe (2), a mounting pipe (22) is fixedly installed below the connecting pipe (21), and an inner pipe (23) is fixedly installed at one end of the mounting pipe (22).
4. A decomposition furnace port anti-blocking structure according to claim 3, characterized in that: The mounting pipe (22) is fixedly mounted on the inner wall of the protection box (3), and the inner pipe (23) is fixedly mounted above the inner wall of the decomposition furnace body (1).
5. The anti-blocking structure for a decomposition furnace port according to claim 3, characterized in that: A sealing sleeve (24) is fixedly mounted on the outer surface of the connecting pipe (21), and the lower part of the sealing sleeve (24) is fixedly mounted above the protection box (3).
6. The anti-blocking structure for a decomposition furnace port according to claim 1, characterized in that: The connection frame (210) is fixedly mounted on one side of the outer surface of the feed tube (2), and the separation tube (211) is fixed on one side of the outer surface of the feed tube (2).
7. The anti-blocking structure for a decomposition furnace port according to claim 1, characterized in that: The guide tube (212) is fixedly inserted through the lower part of the inner wall of the feed tube (2), and the baffle (27) is fixedly installed above the inner wall of the feed tube (2).